CN220421489U - Double-power-supply integrated disturbance-free quick switching device - Google Patents
Double-power-supply integrated disturbance-free quick switching device Download PDFInfo
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- CN220421489U CN220421489U CN202321740033.0U CN202321740033U CN220421489U CN 220421489 U CN220421489 U CN 220421489U CN 202321740033 U CN202321740033 U CN 202321740033U CN 220421489 U CN220421489 U CN 220421489U
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- 230000010354 integration Effects 0.000 abstract description 3
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- 238000004891 communication Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 abstract description 2
- 230000006386 memory function Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 10
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 230000002411 adverse Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model relates to the technical field of power integration, and discloses a double-power integrated disturbance-free quick switching device, which can realize quick and intelligent switching, is flexible to switch, is accurate and simple, can realize a remote communication function, has an event memory function, is reliable to operate, and has the advantages of wide application and the like, and in normal operation, the YG-MS double-power quick switching device monitors the electrical parameters of a main power supply and a standby power supply on line in real time, and under the condition that a power supply circuit of the main power supply is powered off or shorted, the load carried by the main power supply is switched to a standby circuit within 20MS (the parallel switching time is 30 MS) under the switching condition of a system, so that disturbance-free switching and stable transition of the load are realized, the operation interruption or the equipment impact damage of sensitive equipment caused by a common quick switching controller in the market is avoided, the switching operation is simplified, and misoperation is reduced, so that the continuous operation of power-off of electric equipment of enterprises and public institutions is ensured.
Description
Technical Field
The utility model relates to the technical field of power integration, in particular to a double-power integrated undisturbed rapid switching device.
Background
Along with the rapid development of national economy, the construction scale of the power grid is increasingly enlarged, and the electricity load is correspondingly multiplied. Power enterprises and power plants such as petroleum, chemical industry, steel, metallurgy and the like have higher and higher requirements on the power supply reliability of a power system due to the production property and the process flow. In order to avoid the production stoppage caused by large-area power failure of equipment due to the short circuit and open circuit faults of a power supply, the economic loss is large. The dual-power quick-switching device is used for ensuring successful switching between two paths of power supplies and continuous uninterrupted power supply.
The conventional dual-power quick switching device in the market only adopts a quick switching controller to control a spring operating mechanism breaker to realize the switching of dual power, and because the inherent opening and closing time of the spring operating mechanism breaker is 40-60 ms and the integral switching action completion time is more than 100ms, namely, the system can bear voltage sag of more than 100ms, during the voltage sag period, the low-voltage protection of some alternating-current contactors in the system is pressureless to cause the shutdown of important auxiliary machines and the continuous tripping of a host machine, some frequency conversion devices stop supplying power to cause the shutdown of important production equipment or the generation of waste products and waste gas, and some equipment cannot work normally.
The inherent opening time of the circuit breaker and the judgment time of the controller are too long, and the inherent opening time and the judgment time are root causes of serious adverse effects on equipment caused by voltage sag. In order to solve the problem that the influence on equipment is caused by overlong external network voltage sag time, the bus voltage in a non-fault area is quickly recovered, continuous operation of important sensitive equipment is ensured, and the EC-MS dual-power quick switching device is specially developed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a double-power-supply integrated disturbance-free rapid switching device which has the advantages of being capable of realizing rapid and intelligent switching, flexible in switching, accurate and simple, realizing a remote communication function, an event memory function, reliable in operation, wide in application, realizing disturbance-free switching and stable load transition, avoiding the interruption of operation or the impact damage of equipment of sensitive equipment caused by a common rapid switching controller in the market during switching, simplifying switching operation, reducing misoperation, ensuring uninterrupted continuous operation of electric equipment of enterprises and public institutions and the like, and solving the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dual supply integration does not have quick auto-change over device of disturbance, includes the cabinet body, the heating panel is installed to cabinet body side, and internally mounted has the baffle, the baffle is provided with the multiunit, and current transformer is installed on a set of top, voltage transformer is installed to current transformer side, dual supply quick switch over controller is installed on another set of top of baffle, dual supply quick switch over controller installs quick vacuum circuit breaker on the side, overvoltage protection ware is installed on another set of top of baffle, the cabinet body side is installed multiunit apron through the hinge rotation.
Preferably, the side of the cabinet body is fixedly provided with a heat dissipation plate, a plurality of groups of wire holes are reserved at the bottom end, and a gap is reserved between the partition plate and the inner wall of the cabinet body.
Through above-mentioned technical scheme, through the multiunit thermovent on the heating panel, be convenient for discharge when the inside heat that produces of device start-up back to avoid the inside high temperature of device, provide installation space for the cable between each part through multiunit line hole and space.
Preferably, the current transformers are provided with one group, and the voltage transformers are provided with one group.
Through the technical scheme, the secondary protection current and the voltage signal of the main power supply and the standby power supply are provided for the dual-power-supply fast switching controller through the current transformer and the voltage transformer, and are used as device acquisition judgment signals.
Preferably, the dual power fast switching controller is provided with a group.
Through the technical scheme, the dual-power rapid switching controller is a control core of the dual-power rapid switching device and is used for monitoring the main power supply voltage, the standby power supply voltage and the loop working current of the bus in real time; when the power supply circuit fails, the line-incoming breaker of the failed power supply circuit is controlled to be rapidly disconnected, and the standby power supply breaker is closed; and monitoring an externally input digital signal in real time, and displaying working states of the quick breaker, the switching-on/switching-off energy storage and the like in real time.
Preferably, the fast vacuum circuit breaker is provided with a set.
Through the technical scheme, the quick vacuum circuit breaker is a core execution component of the whole set of dual-power quick switching device, has a unique eddy current driving mechanism technology, can finish the brake separating action within 5ms after receiving an action command sent by the controller, realizes stable and quick switching of sensitivity without disturbance, and has the capability of breaking short-circuit current and rated load current at high speed.
Preferably, the overvoltage protector is provided with a set.
By means of the above-described solution, the relative ground and the various overvoltages between phases are limited to a lower level allowed by the insulation of the device.
Compared with the prior art, the utility model provides a double-power-supply integrated disturbance-free rapid switching device, which has the following beneficial effects:
1. according to the utility model, through the plurality of groups of heat dissipation ports on the heat dissipation plate, during normal operation, the YG-MS dual-power quick switching device monitors the electrical parameters of the main power supply and the standby power supply in real time on line, under the condition that the power supply circuit of the main power supply is powered off or short circuited, and under the switching condition of the system, the load carried by the main power supply is switched to the standby circuit within 20MS (the parallel switching time is 30 MS), so that the undisturbed switching and the stable load transition are realized, the interruption of the operation or the impact damage of equipment of sensitive equipment caused by a common quick-cut controller on the market during the switching is avoided, the switching operation is simplified, the misoperation is reduced, the uninterrupted continuous operation of electric equipment of enterprises and institutions is ensured, the heat generated inside the device is conveniently discharged, and the installation space is provided for cables among all parts through a plurality of groups of line holes and gaps, thereby the internal temperature of the device is avoided.
2. The dual-power quick switching controller is a control core of the dual-power quick switching device, and monitors the main power supply voltage, the standby power supply voltage and the loop working current of the bus in real time; when the power supply circuit fails, the line-incoming breaker of the failed power supply circuit is controlled to be rapidly disconnected, and the standby power supply breaker is closed; the method is characterized in that an externally input digital signal is monitored in real time, working states of a quick breaker, an opening and closing energy storage and the like are displayed in real time, a current transformer and a voltage transformer are used for providing secondary protection current and voltage signals of a main power supply and a standby power supply for a dual-power supply quick switching controller, the secondary protection current and the voltage signals of the main power supply and the standby power supply are used as device acquisition judging signals, the quick vacuum breaker is a core executing component of the whole set of dual-power supply quick switching device, the special eddy current driving mechanism technology is provided, the opening and closing action can be completed within 5ms after an action command sent by the controller is received, the sensitivity, the stability and the quick switching can be realized, the capacity of breaking short-circuit current and rated load current at high speed is realized, and various overvoltage between relative ground and phase are limited at a lower level allowed by equipment insulation.
Drawings
FIG. 1 is a schematic perspective view of a structural device of the present utility model;
FIG. 2 is a schematic view of the internal structure of the structural device of the present utility model;
fig. 3 is a schematic illustration of a primary principle of the construction device of the present utility model.
Wherein: 1. a cabinet body; 2. a heat dissipation plate; 3. a partition plate; 4. a current transformer; 5. a voltage transformer; 6. a dual-power fast switching controller; 7. a fast vacuum circuit breaker; 8. a voltage protector; 9. and a cover plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a dual-power integrated non-disturbance fast switching device comprises a cabinet body 1, a heat dissipation plate 2 is installed on the side edge of the cabinet body 1, a partition plate 3 is installed inside, a plurality of groups of partition plates 3 are arranged, a current transformer 4 is installed on one group of top ends, a voltage transformer 5 is installed on the side edge of the current transformer 4, a dual-power fast switching controller 6 is installed on the other group of top ends of the partition plate 3, a fast vacuum circuit breaker 7 is installed on the side edge of the dual-power fast switching controller 6, an overvoltage protector 8 is installed on the other group of top ends of the partition plate 3, and a plurality of groups of cover plates 9 are installed on the side edge of the cabinet body 1 through hinge rotation.
Specifically, cabinet body 1 side fixed mounting has heating panel 2, and the multiunit line hole is reserved to the bottom, and baffle 3 has the space with cabinet body 1 inner wall reservation, and the advantage is, through the multiunit thermovent on the heating panel 2, is convenient for discharge when the inside heat that produces of device start-up back to avoid the inside high temperature of device, provide installation space through multiunit line hole and space for the cable between each part.
Specifically, the current transformer 4 is provided with a group, and the voltage transformer 5 is provided with a group, and the advantage is that through current transformer 4 and voltage transformer 5, the voltage signal of secondary protection current and main stand-by power supply is provided for dual supply fast switch controller 6, as device collection judgement signal.
Specifically, the dual-power rapid switching controller 6 is provided with a group, and has the advantages that the dual-power rapid switching controller 6 is a control core of the dual-power rapid switching device, and monitors the main power voltage and the standby power voltage of the bus and the working current of the loop in real time; when the power supply circuit fails, the line-incoming breaker of the failed power supply circuit is controlled to be rapidly disconnected, and the standby power supply breaker is closed; and monitoring an externally input digital signal in real time, and displaying working states of the quick breaker, the switching-on/switching-off energy storage and the like in real time.
Specifically, the quick vacuum circuit breaker 7 is provided with a group, and has the advantages that the quick vacuum circuit breaker 7 is a core executing component of the whole set of dual-power quick switching device, has a unique eddy current driving mechanism technology, can complete the breaking action within 5ms after receiving an action command sent by the controller, realizes the quick switching of sensitivity without disturbance, and has the capability of breaking short-circuit current and rated load current at high speed.
In particular, the overvoltage protector 8 is provided with a set of overvoltage protectors, with the advantage of limiting the various overvoltages relative to ground and between phases to a lower level allowed by the insulation of the device.
When in use, the switching action principle of the device is that the switching between the main power supply and the standby power supply is carried out, the K1 switch is firstly switched, and then the K2 switch is combined; three switching modes are that a switching mode 1 is that a bus connection K3 is switched between a main power supply and a standby power supply, a K1 switch is firstly switched, and then a K2 switch is switched; the switching mode 2 is that the bus bar K3 is switched between the main power supply and the standby power supply in a split mode, the K1 switch is firstly switched, then the K2 switch is combined, and then the K3 is combined. Note that the main power supply and the standby power supply can be freely defined according to the actual condition of the system. The heat generated inside the device is conveniently discharged after the device is started through the plurality of groups of heat dissipation ports on the heat dissipation plate 2, so that the excessive high temperature inside the device is avoided, installation space is provided for cables among all parts through the plurality of groups of wire holes and gaps, the dual-power quick switching controller 6 is a control core of the dual-power quick switching device, and the main power supply voltage, the standby power supply voltage and the loop working current of the bus are monitored in real time; when the power supply circuit fails, the line-incoming breaker of the failed power supply circuit is controlled to be rapidly disconnected, and the standby power supply breaker is closed; the digital signal input from the outside is monitored in real time, the working states of the quick breaker, the opening and closing energy storage and the like are displayed in real time, the secondary protection current and the voltage signal of the main power supply and the standby power supply are provided for the dual-power supply quick switching controller 6 through the current transformer 4 and the voltage transformer 5, the secondary protection current and the voltage signal of the main power supply and the standby power supply are taken as device acquisition judgment signals, the quick vacuum breaker 7 is a core execution part of the whole set of dual-power supply quick switching device, the special eddy current driving mechanism technology is provided, the opening and closing action can be completed within 5ms after the action command sent by the controller is received, the sensitivity is stably and quickly switched without disturbance, the capacity of breaking short-circuit current and rated load current at high speed is realized, and various overvoltages between relative ground and phase are limited at lower levels allowed by equipment insulation.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Double-power integrated disturbance-free quick switching device comprises a cabinet body (1), and is characterized in that: the utility model discloses a cabinet body, including cabinet body (1) side, including cabinet body, baffle, current transformer (4) are installed on baffle (3), baffle (3) are provided with the multiunit, and one of them a set of top, voltage transformer (5) are installed on current transformer (4) side, dual supply fast switch over controller (6) are installed on baffle (3) another set of top, dual supply fast switch over controller (6) side is installed fast vacuum circuit breaker (7), overvoltage protection ware (8) are installed on baffle (3) another set of top, multiunit apron (9) are installed through the hinge rotation to cabinet body (1) side.
2. The dual-power integrated disturbance-free fast switching device according to claim 1, wherein: the side of the cabinet body (1) is fixedly provided with a heat radiation plate (2), a plurality of groups of wire holes are reserved at the bottom end, and gaps are reserved between the partition plate (3) and the inner wall of the cabinet body (1).
3. The dual-power integrated disturbance-free fast switching device according to claim 1, wherein: the current transformers (4) are provided with a group, and the voltage transformers (5) are provided with a group.
4. The dual-power integrated disturbance-free fast switching device according to claim 1, wherein: the dual-power rapid switching controller (6) is provided with a group.
5. The dual-power integrated disturbance-free fast switching device according to claim 1, wherein: the fast vacuum circuit breaker (7) is provided with a set.
6. The dual-power integrated disturbance-free fast switching device according to claim 1, wherein: the overvoltage protector (8) is provided with a set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321740033.0U CN220421489U (en) | 2023-07-03 | 2023-07-03 | Double-power-supply integrated disturbance-free quick switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321740033.0U CN220421489U (en) | 2023-07-03 | 2023-07-03 | Double-power-supply integrated disturbance-free quick switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220421489U true CN220421489U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321740033.0U Active CN220421489U (en) | 2023-07-03 | 2023-07-03 | Double-power-supply integrated disturbance-free quick switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220421489U (en) |
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2023
- 2023-07-03 CN CN202321740033.0U patent/CN220421489U/en active Active
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