CN108198710B - Dual-power automatic change-over switch - Google Patents
Dual-power automatic change-over switch Download PDFInfo
- Publication number
- CN108198710B CN108198710B CN201810110438.3A CN201810110438A CN108198710B CN 108198710 B CN108198710 B CN 108198710B CN 201810110438 A CN201810110438 A CN 201810110438A CN 108198710 B CN108198710 B CN 108198710B
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- push rod
- piece
- operating device
- section
- automatic transfer
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- 238000006243 chemical reaction Methods 0.000 claims description 42
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Blinds (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The invention relates to a dual-power automatic transfer switch, which comprises a main shell, wherein a driving mechanism and an operating mechanism are arranged in the main shell, the driving mechanism is provided with a driving shaft, a transfer plate is arranged on the driving shaft, the driving mechanism is in linkage connection with the operating mechanism through the driving shaft, an operating cavity is arranged in the main shell, an upper push rod is arranged above the operating cavity, a lower push rod is arranged below the operating cavity, the operating mechanism is arranged in the operating cavity, the operating mechanism comprises a first operating mechanism and a second operating mechanism, the upper push rod is in linkage connection with the first operating mechanism, and the lower push rod is in linkage connection with the second operating mechanism.
Description
Technical Field
The invention relates to a dual-power automatic transfer switch.
Background
At present, a plurality of important occasions adopt a dual-power automatic transfer switch to supply power to an electric appliance, the dual-power automatic transfer switch is divided into a CB-level dual-power automatic transfer switch and a PC-level dual-power automatic transfer switch, the PC-level dual-power automatic transfer switch is a type which is preferentially selected in many times, and an operating mechanism of the existing PC-level dual-power automatic transfer switch is arranged corresponding to a static contact and is divided into an upper layer and a lower layer, so that the height of a component is increased due to the arrangement.
Disclosure of Invention
In view of the above, the present invention provides a dual-power automatic transfer switch to solve the above-mentioned problems.
In order to achieve the above purpose, the dual-power automatic transfer switch comprises a main shell, wherein a driving mechanism and an operating mechanism are arranged in the main shell, the driving mechanism is provided with a driving shaft, a transfer plate is arranged on the driving shaft, the driving mechanism and the operating mechanism are connected in a linkage way through the driving shaft, an operating cavity is arranged in the main shell, an upper push rod is arranged above the operating cavity, a lower push rod is arranged below the operating cavity, the operating mechanism is arranged in the operating cavity, the operating mechanism comprises a first operating mechanism and a second operating mechanism, the upper push rod is connected with the first operating mechanism in a linkage way, and the lower push rod is connected with the second operating mechanism in a linkage way.
Among the above-mentioned technical scheme, operating device sets up to first operating device and second operating device, and sets up same operating chamber with first operating device and second operating device in, has realized that first operating device and second operating device's the same layer setting, and can not mutually interfere its breaking off when switching common and stand-by power supply, has improved original double-deck complex structure and structurally more stable and compact, and dual supply automatic transfer switch volume before comparing is littleer.
The invention further provides that the first operating mechanism and the second operating mechanism both comprise a positioning column, a pull rod, a conversion piece and an elastic reset piece, wherein the pull rod and the conversion piece are sleeved on the positioning column, connecting holes are formed in two ends of the conversion plate, one end of the pull rod extends to the position where the conversion plate is in linkage connection with the conversion plate, one end of the conversion piece is hinged with the main shell, the other end of the conversion piece is provided with the elastic reset piece, the other end of the elastic reset piece is connected with the main shell, sliding grooves are formed in the inner side surfaces of the upper push rod and the lower push rod, one end of the positioning column of the first operating mechanism extends into the sliding grooves of the upper push rod to realize linkage connection between the upper push rod and the first operating mechanism, and one end of the positioning column of the second operating mechanism extends into the sliding grooves of the lower push rod to realize linkage connection between the lower push rod and the second operating mechanism.
According to the technical scheme, the first operating mechanism and the second operating mechanism are matched with each other through the positioning column, the pull rod and the conversion piece to realize linkage with the push rod, so that breaking operation is realized, the structure is simple, the operation is stable and reliable, and the elastic reset piece is arranged as an energy storage piece, and quick reset can be realized.
The invention further provides a base, a standby base and a surface cover, wherein a fixed contact is arranged in the main shell and the standby base, the upper push rod is arranged on the standby base, the lower push rod is arranged on the main shell, the fixed contact comprises a long-in cutter and a long-out cutter which are arranged on the main shell, a short-in cutter and a short-out cutter which are arranged on the standby base, the long-in cutter and the long-out cutter are arranged on two sides of the upper push rod, the short-in cutter and the short-out cutter are arranged on two sides of the lower push rod, the upper push rod and the lower push rod are provided with an upper clamping piece and a lower clamping piece, the long-in cutter, the long-out cutter, the short-in cutter and the short-out cutter are clamped and arranged through the upper clamping piece and the lower clamping piece, the standby base is provided with a partition plate, the partition plate is arranged on two sides of the upper push rod vertically, and the short-in cutter are separated and arranged one by one through the partition plate.
Among the above-mentioned technical scheme, with the long sword spare of advancing of stationary contact, go out long sword spare and advance short sword spare, go out short sword spare and set up respectively on main casing and reserve base, the inner structure has been optimized to rational utilization, and go up the folder and clip centre gripping advances long sword spare, go out long sword spare, advance short sword spare and go out short sword spare down with lower folder centre gripping on the both sides of push rod down, set up simple and conveniently and contact stability is good, and the division board sets up the both sides of push rod, the effect of location and spacing has been carried out to the push rod, guarantee to reciprocate in a direction, be difficult for producing the skew, the division board also has the effect of a correction position to the push rod in addition.
The invention further provides that the driving mechanism comprises a driving motor and a gear transmission mechanism, wherein the driving motor is in linkage connection with the gear transmission mechanism, the gear transmission mechanism comprises a first bevel gear arranged on a motor shaft of the driving motor, a second bevel gear meshed with the first bevel gear, and a driving shaft arranged in the center of the second bevel gear, the first bevel gear and the second bevel gear are vertically arranged, the driving shaft comprises an upper driving shaft section, a middle driving shaft section and a lower driving shaft section, and the cross sections of the upper driving shaft section and the lower driving shaft section are arc-shaped cross sections.
Among the above-mentioned technical scheme, actuating mechanism sets up to driving motor, gear drive, and gear drive adopts two mutually perpendicular bevel gears, because bevel gear bearing capacity is high, and the transmission is steady, and bevel gear compares other gear volumes littleer, size and the volume that can effectual reduction structural component, the cross section of drive shaft upper segment and hypomere sets up to the drive part rotation that the bow-shaped cross section can be better.
The invention further provides that mounting grooves are formed on two sides of the standby base, the short feeding cutter and the short discharging cutter are correspondingly arranged in the respective mounting grooves, mounting grooves for correspondingly mounting the long feeding cutter and the long discharging cutter are also formed on two sides of the main shell, mounting holes are formed on one side of the standby base, on which the short discharging cutter is arranged, and one side of the main shell, on which the long discharging cutter is arranged, and mounting columns are arranged between the mounting holes to connect the standby base and the main shell.
According to the technical scheme, the standby base and the base form the mounting groove for mounting the cutter, and the mounting groove ensures that the cutter is fixed in the breaking process of the push rod, so that the cutter is stable and is not easy to drop and loose. And a mounting column is arranged on one side, so that the connection between the standby base and the base is ensured.
The invention further provides a sliding sleeve arranged at the part of the top of the positioning column extending into the sliding groove, a main shaft section, a first slave shaft section and a second slave shaft section are formed on the positioning column, the first slave shaft section is positioned above the second slave shaft section, the radiuses of the first slave shaft section and the second slave shaft section are larger than the radiuses of the main shaft section, the radiuses of the first slave shaft section are smaller than the radiuses of the second slave shaft section, a clamping gap exists between the first slave shaft section and the second slave shaft section, and the conversion piece is clamped in the clamping gap.
According to the technical scheme, the sliding sleeve is arranged at the top of the positioning column and slides in cooperation with the sliding groove, and the two ends of the sliding sleeve realize the movement of the conversion piece on the positioning column from the shaft section, so that the positioning column has the function of positioning and limiting.
The invention further provides that the conversion piece comprises a sliding piece and a fixing piece, wherein the sliding piece is provided with a through hole with a narrow front and a wide rear, the through hole comprises a head part, a middle part and a tail part, the head part is an arc-shaped head part, the middle part is a rectangular hole, the tail part is of an arc-shaped structure, and the middle part and the tail part are in arc-shaped transitional connection.
According to the technical scheme, the through holes with the narrow front and the wide rear are formed in the conversion piece, so that the linkage between the conversion piece and the positioning column is smoother, and the operation is effective and reliable.
The invention further provides 4 conversion plates which are arranged in parallel, the pull rod is arranged between the two conversion plates and extends to one side of the fixed contact, and a waist-shaped hole is formed at one end of the pull rod, which is connected with the conversion plates.
According to the technical scheme, the two conversion plates are arranged, the pull rod is clamped between the two conversion plates, and the pull rod is moved through the waist-shaped holes, so that the pull rod is prevented from sliding in an offset manner in an unnecessary direction.
The invention further provides that the elastic restoring element is arranged as a torsion spring. The device is a torsion spring, the acting force is stronger, and the sensitivity is good.
The invention further provides a push button switch arranged on the surface cover, a circuit board and a wiring terminal are arranged below the push button switch, the circuit board and the wiring terminal are electrically connected, a mounting base is formed on the main shell, the circuit board and the wiring terminal are arranged on the mounting base, slide ways are arranged on two sides of the mounting base, and the circuit board is inserted into the slide ways to be arranged.
The push button switch is arranged on the face cover in the technical scheme, the operation is simple, the circuit board and the wiring terminals are arranged on the mounting base, the slide way is adopted, and the circuit board is convenient to mount.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a driving mechanism and an operating mechanism according to an embodiment of the invention.
Fig. 3 is a front view of an embodiment of the invention with the cover removed.
Fig. 4 is a perspective view of an embodiment of the invention with the cover removed.
FIG. 5 is a cross-sectional view of an embodiment of the present invention.
Fig. 6 is a schematic view of a driving shaft structure according to an embodiment of the invention.
Fig. 7 is a schematic structural diagram of a positioning column according to an embodiment of the invention.
Fig. 8 is a schematic structural view of an operating mechanism according to an embodiment of the present invention.
Fig. 9 is a schematic structural view of a push rod according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a conversion member according to an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-10, the invention is a dual-power automatic transfer switch, which comprises a main shell 4, a driving mechanism, an operating mechanism and a fixed contact 6 which are arranged in the main shell, wherein a face cover 1, a base 2, a standby base 3 and an operating cavity are arranged in the main shell 4, an upper push rod 108 is arranged above the operating cavity, a lower push rod 109 is arranged below the operating cavity, the upper push rod is in linkage connection with a first operating mechanism, and the lower push rod is in linkage connection with a second operating mechanism.
The face cover 1 is provided with a button switch 11, a circuit board 12 and a wiring terminal 13 are arranged below the button switch 11, the circuit board 12 and the wiring terminal 13 are electrically connected, the main shell 4 is provided with a mounting base 5, the circuit board 12 and the wiring terminal 13 are arranged on the mounting base 5, two sides of the mounting base 5 are provided with slide ways 51, and the circuit board 12 is inserted into the slide ways 51.
The base 2 is arranged above the main shell 4, the standby base 3 is arranged above the base 2, the fixed contact 6 is fixedly arranged in the main shell 4 and the standby base 3, the fixed contact 6 comprises a long-in blade 61 and a long-out blade 62 which are arranged on the main shell 4, a short-in blade 63 and a short-out blade 64 which are arranged on the standby base 3, the long-in blade 61 and the long-out blade 62 are arranged on two sides of an upper push rod 108, the short-in blade 63 and the short-out blade 64 are arranged on two sides of a lower push rod 109, the upper push rod 108 and the lower push rod 109 are provided with an upper clamping piece 105a and a lower clamping piece 105b, the long-in blade 61, the long-out blade 62, the short-in blade 63 and the short-out blade 64 are clamped and arranged through the upper clamping piece 105a and the lower clamping piece 105b, mounting grooves 31 are formed on two sides of the standby base 3, the two sides of the main shell 4 are also formed with mounting grooves 31 which are correspondingly arranged on the respective mounting grooves 31, the long-in-out blade 61 and the long-out profile 62 are arranged, the mounting grooves 31 are correspondingly arranged on one side of the standby base 3, the mounting holes 32 are arranged on one side of the main shell 3, and the mounting holes 32 are arranged on one side of the standby base 32.
The driving mechanism is in linkage connection with the operating mechanism through a driving shaft 7, a conversion handle is arranged outside the driving shaft 7 extending to the main shell, the driving mechanism comprises a driving motor 8 and a gear transmission mechanism 9, the driving motor 8 is in linkage connection with the gear transmission mechanism 9, the gear transmission mechanism 9 comprises a first bevel gear 91 arranged on a motor shaft of the driving motor 8, a second bevel gear 92 meshed with the first bevel gear 91, and the driving shaft 7 arranged in the center of the second bevel gear 92, the first bevel gear 91 is perpendicular to the second bevel gear 92, the driving shaft 7 comprises a driving shaft upper section 71, a driving shaft middle section 73 and a driving shaft lower section 72, the cross section of the driving shaft upper section 71 is an arc-shaped cross section 71a, and the cross section of the driving shaft lower section 72 also extends into the second bevel gear 92; the operating mechanism is arranged in the operating cavity, the operating mechanism comprises a first operating mechanism 101 and a second operating mechanism 102, the first operating mechanism 101 and the second operating mechanism 102 both comprise a positioning column 103, a pull rod 104, a switching piece 106 and an elastic reset piece 105, the inner side surfaces of an upper push rod 108 and a lower push rod 109 are provided with a sliding groove 107, one end of the positioning column 103 of the first operating mechanism 101 stretches into the sliding groove 107 of the upper push rod 108 to realize linkage connection of the upper push rod 108 and the first operating mechanism 101, one end of the positioning column 103 of the second operating mechanism 102 stretches into the sliding groove 107 of the lower push rod 109 to realize linkage connection of the lower push rod 109 and the second operating mechanism 102, the positioning column 103 is sleeved with a pull rod 104 and a switching piece 106, a switching plate 74 is arranged on a driving shaft 7, two ends of the switching plate 74 are provided with connecting holes, one end of the pull rod extends to the conversion plate and is connected with the conversion plate in a linkage way, the upper push rod 108 and the lower push rod 109 do linear reciprocating motion in respective motion directions, the upper push rod 108 is installed on the standby base 3, the lower push rod 109 is installed on the main shell 4, a sliding sleeve 1031 is arranged at the part, extending into the sliding groove 107, of the top of the positioning column 103, a main shaft section 103a, a first shaft section 103b and a second shaft section 103c are formed on the positioning column 103, the first shaft section 103b is located above the second shaft section 103c, the radius of the first shaft section 103b and the radius of the second shaft section 103c are larger than the radius of the main shaft section 103a, the radius of the first shaft section 103b is smaller than the radius of the second shaft section 103a, a clamping gap exists between the first shaft section 103b and the second shaft section 103c, and the conversion piece 106 is clamped in the clamping gap. The conversion piece 106 includes a sliding piece 1061 and a fixing piece 1062, the sliding piece 1061 is provided with a through hole 1063 with a narrow front and a wide rear, the through hole 1063 includes a head portion 1063a, a middle portion 1063b and a tail portion 1063c, the head portion 1063a is a circular arc head portion, the middle portion 1063b is a rectangular hole, the tail portion 1063c is an arc structure, and the middle portion 1063b and the tail portion 1063c are in arc transition connection. The conversion piece 106 specifically sets up between push rod 105 and pull rod 104, the one end and the main casing 4 of conversion piece 106 are articulated, the other end of conversion piece 106 is provided with elasticity reset piece 105, the one end of this elasticity reset piece 105 is realized being connected with conversion piece 106 through the thru hole that sets up on the conversion piece, the other end is connected with the main casing, this elasticity reset piece 105 sets up to the torsional spring, the connecting hole 741 that is connected with pull rod 104 has been seted up at the both ends of conversion board 74, conversion board 74 parallel arrangement has 2, the pull rod 104 sets up and extends to the static contact side between the conversion board 74 of two liang, the one end that pull rod 104 and conversion board 74 are connected is provided with waist type hole 1041. The standby base 3 is also provided with a separation plate 34, the separation plates 34 are respectively arranged at two sides of the upper push rod 108 and are perpendicular to the upper push rod 108, and the short-feeding knife 63 and the short-discharging knife 64 are respectively arranged at intervals through the separation plates 34.
According to the invention, the gear transmission mechanism is driven by the driving motor to realize the rotation of the operating mechanism, when the conversion plate rotates anticlockwise, the pull rod of the first operating mechanism only moves in the range of the waist-shaped hole due to the existence of the waist-shaped hole, and the pull rod of the second operating mechanism moves towards the side close to the driving motor, so that the pull rod pulls the positioning column to move between the conversion piece and the push rod, the separation of the push rod and the long feeding and discharging knife is realized, and the breaking can be realized, after the breaking is finished, the pull rod can be reset through the torsion spring arranged on the conversion piece; when the switch plate is rotated clockwise, the principle is similar to that described above.
Claims (9)
1. The utility model provides a dual supply automatic transfer switch, includes the main casing, be provided with actuating mechanism, operating device in the main casing, actuating mechanism is provided with the drive shaft, be provided with the change-over plate in the drive shaft, actuating mechanism passes through the drive shaft linkage with operating device and is connected, its characterized in that: the utility model discloses a push rod linkage device, including main casing, operating chamber, change over plate, be provided with operating device in the operating chamber, operating device includes first operating device, second operating device, go up push rod and first operating device linkage connection, lower push rod and second operating device linkage connection, first operating device and second operating device all include reference column, pull rod, change over piece and elasticity reset piece, the cover has pull rod and change over piece on the reference column, the connecting hole has been seted up at the both ends of change over plate, pull rod one end extends to change over plate and change over plate linkage connection, the one end and the main casing of change over plate are articulated, the other end of change over plate is connected with elasticity reset piece, the other end and the main casing of elasticity reset piece are connected, the medial surface of going up push rod and lower push rod is provided with the spout, the one end of first operating device's reference column stretches into the interior connection that realizes going up push rod and first operating device's of spout of going up push rod and the interior operation device's of linkage of change over plate, the second operating device's of the lower push rod's of one end stretch into.
2. The dual power automatic transfer switch of claim 1, wherein: still be provided with base, reserve base and face lid on the main casing, set up the static contact in main casing and the reserve base, go up the push rod and install on reserve base, the push rod sets up on main casing down, the static contact is including setting up the long sword piece of advancing on main casing and going out long sword piece, the short sword piece of advancing that sets up on reserve base and going out the short sword piece, advance long sword piece and go out long sword piece and arrange the both sides at last push rod, advance short sword piece and go out the short sword piece and arrange the both sides at the push rod down, last push rod and push rod are provided with folder and lower folder down, advance long sword piece, go into short sword piece and go out the short sword piece and set up through last folder and lower folder centre gripping, be provided with the division board on the reserve base, the division board is listed as the both sides and is perpendicular with last push rod to will advance short sword piece, go out short sword piece one by one and separate through the division board and set up.
3. The dual power automatic transfer switch of claim 2, wherein: the driving mechanism comprises a driving motor and a gear transmission mechanism, the driving motor is connected with the gear transmission mechanism in a linkage way, the gear transmission mechanism comprises a first bevel gear arranged on a motor shaft of the driving motor, a second bevel gear meshed with the first bevel gear, and a driving shaft arranged at the center of the second bevel gear, the driving shaft extends to the outside of the main shell and is provided with a conversion handle, the first bevel gear is vertically arranged with the second bevel gear, the driving shaft comprises an upper driving shaft section, a middle driving shaft section and a lower driving shaft section, and the cross section of the upper driving shaft section and the cross section of the lower driving shaft section are arc-shaped.
4. A dual power automatic transfer switch according to claim 3, wherein: the two sides of the standby base are provided with mounting grooves, the short-feeding cutter and the short-discharging cutter are correspondingly arranged in the respective mounting grooves, the two sides of the main shell are also provided with mounting grooves for correspondingly mounting the long-feeding cutter and the long-discharging cutter, the standby base is provided with mounting holes on one side of the short-discharging cutter and one side of the long-discharging cutter, and mounting columns are arranged between the mounting holes to connect the standby base and the main shell.
5. The dual power automatic transfer switch of claim 1, wherein: the part that the top of reference column stretched into in the spout is provided with the sliding sleeve, form main shaft section, first from axle section and second from axle section on the reference column, first from axle section is located the top of second from axle section, the radius of first from axle section and second from axle section is all greater than the radius of main shaft section, and the radius of first from axle section is less than the second from axle section, there is a joint clearance between first from axle section and the second from axle section, the conversion piece joint is in the middle of the joint clearance.
6. The dual power automatic transfer switch according to claim 1 or 5, wherein: the conversion piece comprises a sliding piece and a fixing piece, wherein the sliding piece is provided with a through hole with a front narrow and a rear wide, the through hole comprises a head part, a middle part and a tail part, the head part is an arc-shaped head part, the middle part is a rectangular hole, the tail part is of an arch-shaped structure, and the middle part and the tail part are in arc-shaped transitional connection.
7. The dual power automatic transfer switch of claim 6, wherein: the conversion plates are arranged in parallel, the tie rods are arranged between the two conversion plates and extend to one side of the fixed contact, and waist-shaped holes are formed in one end, connected with the conversion plates, of each tie rod.
8. The dual power automatic transfer switch of claim 7, wherein: the elastic reset piece is provided with a torsion spring.
9. The dual power automatic transfer switch of claim 2, wherein: the face is covered and is provided with button switch, button switch below is provided with circuit board and binding post, the electricity is connected between circuit board and the binding post, form the installation base on the main casing, circuit board and binding post set up on the installation base, the installation base both sides are provided with the slide, the circuit board inserts and sets up in the slide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810110438.3A CN108198710B (en) | 2018-02-05 | 2018-02-05 | Dual-power automatic change-over switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810110438.3A CN108198710B (en) | 2018-02-05 | 2018-02-05 | Dual-power automatic change-over switch |
Publications (2)
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CN108198710A CN108198710A (en) | 2018-06-22 |
CN108198710B true CN108198710B (en) | 2024-05-07 |
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CN201810110438.3A Active CN108198710B (en) | 2018-02-05 | 2018-02-05 | Dual-power automatic change-over switch |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109148180B (en) * | 2018-10-27 | 2023-10-20 | 寺崎科技有限公司 | Operating mechanism of dual-power automatic transfer switch |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203617171U (en) * | 2013-12-19 | 2014-05-28 | 浙江寺崎电气有限公司 | A double power supply change-over switch |
CN105374594A (en) * | 2015-12-07 | 2016-03-02 | 杭州申发电气有限公司 | Dual-supply change over switch operating mechanism |
CN207731838U (en) * | 2018-02-05 | 2018-08-14 | 寺崎科技有限公司 | Double power supply automatic transfer switch |
-
2018
- 2018-02-05 CN CN201810110438.3A patent/CN108198710B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203617171U (en) * | 2013-12-19 | 2014-05-28 | 浙江寺崎电气有限公司 | A double power supply change-over switch |
CN105374594A (en) * | 2015-12-07 | 2016-03-02 | 杭州申发电气有限公司 | Dual-supply change over switch operating mechanism |
CN207731838U (en) * | 2018-02-05 | 2018-08-14 | 寺崎科技有限公司 | Double power supply automatic transfer switch |
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