CN110993386A - Switching structure of dual-power transfer switch - Google Patents
Switching structure of dual-power transfer switch Download PDFInfo
- Publication number
- CN110993386A CN110993386A CN201911326505.6A CN201911326505A CN110993386A CN 110993386 A CN110993386 A CN 110993386A CN 201911326505 A CN201911326505 A CN 201911326505A CN 110993386 A CN110993386 A CN 110993386A
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- China
- Prior art keywords
- power supply
- outer shell
- main power
- inner cavity
- auxiliary power
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/36—Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
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Abstract
The invention discloses a switching structure of a double-power-supply changeover switch, which comprises an outer shell, a main power supply and an auxiliary power supply, wherein a power supply contact plate is fixedly arranged at the bottom of an inner cavity of the outer shell, limiting plates are symmetrically and fixedly arranged at the top of the power supply contact plate, the main power supply and the auxiliary power supply are both positioned above the power supply contact plate and are respectively movably arranged in two mutually symmetrical limiting plates, fixed pulleys are symmetrically and fixedly arranged at the top of the inner cavity of the outer shell, the main power supply and the auxiliary power supply are connected through lifting ropes, the lifting ropes pass through the fixed pulleys, synchronous rods are fixedly arranged on the main power supply and the auxiliary power supply and are fixedly connected with motors arranged at the bottom of the inner cavity of the outer shell through pull ropes, the number of the motors is the same as that of the synchronous rods, and contact pieces corresponding to the main, the invention has the beneficial effects that: the invention has simple structure and convenient operation, and avoids the condition of simultaneously contacting with double power supplies.
Description
Technical Field
The invention relates to the technical field of dual-power switches, in particular to a switching structure of a dual-power transfer switch.
Background
The dynamic change-over switch is mainly applied to a power supply system in the field of rail transit industry, can prevent a fault power supply from supplying power to a load when a main power supply fails, and is used for realizing the switching of a power grid/storage battery working power supply constantly in a dual-power-voltage subway high-voltage power supply system. The double-power-supply change-over switch in the prior art occasionally contacts two different power supplies at the same time when switching the power supplies, and in addition, the double-power-supply switch in the prior art occasionally switches the wrong power supply due to accidents or carelessness.
Disclosure of Invention
The present invention is directed to a switching structure of a dual power transfer switch, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a switching structure of a dual-power transfer switch comprises an outer shell, a main power supply and an auxiliary power supply, wherein a power supply contact plate is fixedly arranged at the bottom of an inner cavity of the outer shell, the top of the power supply contact plate is symmetrically and fixedly provided with a limiting plate, the main power supply and the auxiliary power supply are both positioned above the power supply contact plate, the main power supply and the auxiliary power supply are respectively and movably arranged in two mutually symmetrical limiting plates, fixed pulleys are symmetrically and fixedly arranged at the top of the inner cavity of the outer shell, the top parts of the main power supply and the auxiliary power supply are connected through a lifting rope, the lifting rope passes through the fixed pulley, the main power supply and the auxiliary power supply are both fixedly provided with a synchronous rod which is fixedly connected with a motor arranged at the bottom of the inner cavity of the outer shell through a pull rope, the number of the motors is the same as that of the synchronizing rods, and contact pieces corresponding to the main power supply and the auxiliary power supply are arranged at the tops of the power supply contact plates.
Preferably, the main power supply and the auxiliary power supply slide up and down in the limiting plate, and the side wall of the limiting plate is provided with a groove for the movement of the synchronizing rod.
Preferably, the pull rope is fixedly connected with the synchronizing rod, and the other end of the pull rope is wound on a rotating shaft of the motor and is fixedly connected with the rotating shaft.
Preferably, the two motors are controlled by a single-pole double-gate switch.
Compared with the prior art, the invention has the beneficial effects that:
1. the phenomenon that a double-power switch in the prior art is contacted with a main power supply and possibly contacted with an auxiliary power supply is avoided;
2. simple structure, convenient operation and use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a top view of the power contact board structure of the present invention.
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 switching structure of a dual-power transfer switch comprises an outer shell 1, a main power source 2 and a secondary power source 3, wherein a power contact plate 4 is fixedly installed at the bottom of an inner cavity of the outer shell 1, limiting plates 5 are symmetrically and fixedly installed at the top of the power contact plate 4, the main power source 2 and the secondary power source 3 are both located above the power contact plate 4, the main power source 2 and the secondary power source 3 are respectively and movably installed in the two mutually-symmetrical limiting plates 5, fixed pulleys 6 are symmetrically and fixedly installed at the top of the inner cavity of the outer shell 1, the main power source 2 and the secondary power source 3 are connected through lifting ropes 7, the lifting ropes 7 pass through the fixed pulleys 6, synchronous rods 8 are fixedly installed on the main power source 2 and the secondary power source 3, the synchronous rods 8 are fixedly connected with motors 10 arranged at the bottom of the inner cavity of the outer shell 1 through pull ropes 9, and the, and contact pieces 11 corresponding to the main power supply 2 and the auxiliary power supply 3 are arranged at the top parts of the power supply contact plates 4.
It is worth noting that the switching structure of the dual power supply changeover switch comprises an outer shell 1, a main power supply 2 and a secondary power supply 3, wherein a power supply contact plate 4 is fixedly installed at the bottom of an inner cavity of the outer shell 1, limiting plates 5 are symmetrically and fixedly installed at the top of the power supply contact plate 4, the main power supply 2 and the secondary power supply 3 are both located above the power supply contact plate 4, the main power supply 2 and the secondary power supply 3 are respectively and movably installed in the two mutually symmetrical limiting plates 5, fixed pulleys 6 are symmetrically and fixedly installed at the top of the inner cavity of the outer shell 1, the main power supply 2 and the secondary power supply 3 are connected at the top through lifting ropes 7, the lifting ropes 7 pass through the fixed pulleys 6, synchronous rods 8 are fixedly installed on the main power supply 2 and the secondary power supply 3, the synchronous rods 8 are fixedly connected with motors 10 arranged at the bottom of the inner cavity of the outer shell 1 through pull, and contact pieces 11 corresponding to the main power supply 2 and the auxiliary power supply 3 are arranged at the top parts of the power supply contact plates 4.
It should be noted that the main power supply 2 and the secondary power supply 3 slide up and down in the limiting plate 5, and the side wall of the limiting plate 5 is provided with a slot for the movement of the synchronization rod 8.
It should be noted that the pulling rope 9 is fixedly connected to the synchronizing rod 8, and the other end of the pulling rope 9 is wound around the rotating shaft of the motor 10 and is fixedly connected to the rotating shaft.
It is noted that the two motors 10 are controlled as single pole double gate switches.
The invention controls the rotation of two motors 10 through a single-pole double-brake control switch, when one of the motors is powered on, the pull rope 9 can drive the power supply on the same side to move downwards, thereby realizing the connection with the power supply contact plate 4, completing the circuit connection, and the power supply on the other side can move upwards to be disconnected with the power supply contact plate 4.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. The utility model provides a switching structure of dual supply change over switch, includes shell body (1), main power supply (2) and auxiliary power supply (3), its characterized in that: the power supply device is characterized in that a power supply contact plate (4) is fixedly arranged at the bottom of an inner cavity of the outer shell (1), limiting plates (5) are symmetrically and fixedly arranged at the top of the power supply contact plate (4), the main power supply (2) and the auxiliary power supply (3) are respectively and movably arranged in the two mutually symmetrical limiting plates (5), fixed pulleys (6) are symmetrically and fixedly arranged at the top of the inner cavity of the outer shell (1), the top of the main power supply (2) and the top of the auxiliary power supply (3) are connected through lifting ropes (7), the lifting ropes (7) pass through the fixed pulleys (6), synchronous rods (8) are fixedly arranged on the main power supply (2) and the auxiliary power supply (3), and the synchronous rods (8) are fixedly connected with a motor (10) arranged at the bottom of the inner cavity of the outer shell (1) through pull ropes (9), the number of the motors (10) is the same as that of the synchronous rods (8), and contact pieces (11) corresponding to the main power supply (2) and the auxiliary power supply (3) are arranged at the top of the power supply contact plate (4).
2. The switching structure of the dual power transfer switch according to claim 1, wherein: the main power supply (2) and the auxiliary power supply (3) slide up and down in the limiting plate (5), and the side wall of the limiting plate (5) is provided with a groove for the movement of the synchronizing rod (8).
3. The switching structure of the dual power transfer switch according to claim 1, wherein: the pull rope (9) is fixedly connected with the synchronizing rod (8), and the other end of the pull rope (9) is wound on a rotating shaft of the motor (10) and is fixedly connected with the rotating shaft.
4. The switching structure of the dual power transfer switch according to claim 1, wherein: the two motors (10) are controlled by a single-pole double-gate switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326505.6A CN110993386A (en) | 2019-12-20 | 2019-12-20 | Switching structure of dual-power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326505.6A CN110993386A (en) | 2019-12-20 | 2019-12-20 | Switching structure of dual-power transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110993386A true CN110993386A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911326505.6A Pending CN110993386A (en) | 2019-12-20 | 2019-12-20 | Switching structure of dual-power transfer switch |
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| Country | Link |
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| CN (1) | CN110993386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271812A (en) * | 2020-11-05 | 2021-01-26 | 广东电网有限责任公司 | Dual-power automatic switching system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101821A (en) * | 2006-07-03 | 2008-01-09 | 浙江正泰电器股份有限公司 | Circuit breaker set with interlocking apparatus |
| CN203931867U (en) * | 2014-06-30 | 2014-11-05 | 启基电气(厦门)有限公司 | A kind of double power supply automatic transfer switch |
| CN205122425U (en) * | 2015-09-28 | 2016-03-30 | 上海广电电气(集团)股份有限公司 | Mechanical interlocking mechanism of dual power supply circuit breaker cabinet power supply |
| CN208580671U (en) * | 2018-08-21 | 2019-03-05 | 江苏安控电气有限公司 | A kind of double power supply automatic transfer switch |
-
2019
- 2019-12-20 CN CN201911326505.6A patent/CN110993386A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101821A (en) * | 2006-07-03 | 2008-01-09 | 浙江正泰电器股份有限公司 | Circuit breaker set with interlocking apparatus |
| CN203931867U (en) * | 2014-06-30 | 2014-11-05 | 启基电气(厦门)有限公司 | A kind of double power supply automatic transfer switch |
| CN205122425U (en) * | 2015-09-28 | 2016-03-30 | 上海广电电气(集团)股份有限公司 | Mechanical interlocking mechanism of dual power supply circuit breaker cabinet power supply |
| CN208580671U (en) * | 2018-08-21 | 2019-03-05 | 江苏安控电气有限公司 | A kind of double power supply automatic transfer switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271812A (en) * | 2020-11-05 | 2021-01-26 | 广东电网有限责任公司 | Dual-power automatic switching system |
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Application publication date: 20200410 |
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| RJ01 | Rejection of invention patent application after publication |