CN210297348U - High-voltage dual-power automatic switching device of gas blower - Google Patents
High-voltage dual-power automatic switching device of gas blower Download PDFInfo
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- CN210297348U CN210297348U CN201921708284.4U CN201921708284U CN210297348U CN 210297348 U CN210297348 U CN 210297348U CN 201921708284 U CN201921708284 U CN 201921708284U CN 210297348 U CN210297348 U CN 210297348U
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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
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S20/14—Protecting elements, switches, relays or circuit breakers
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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
Abstract
The utility model discloses a high-voltage dual-power automatic switching device of a gas blower, which comprises a high-voltage wire-out cabinet and an automatic switching cabinet which are respectively connected with two sections of buses of the original power supply of the gas blower, and an intelligent control device which is connected with the high-voltage wire-out cabinet and the automatic switching cabinet; the high-voltage wire outlet cabinet is respectively connected with a common power supply and a standby power supply through high-voltage cables, and the phase sequence of the high-voltage cables is consistent with that of the original bus. Through the design, the utility model discloses can guarantee normal, the continuous safe operation of coke oven gas air-blower, reach the incessant power supply requirement of short-term, prevent that high voltage power supply outage from leading to the gas air-blower shutdown suddenly, form incessant power supply, avoid leading to coke oven gas to leak because of the gas air-blower halts suddenly and form the environmental pollution accident. Therefore, the method has high use value and popularization value.
Description
Technical Field
The utility model relates to a power switching device, specifically speaking relates to a coal gas air-blower high pressure dual supply automatic switching control equipment.
Background
The gas blower is mainly used for conveying and pressurizing gas and has wide application in the industries of coke oven gas, converter gas and calcium carbide flue gas. Along with the continuous promotion of national energy-saving and emission-reducing policies and the continuous improvement of the output of each large steel mill, the usage amount of the coke oven gas blower is also continuously increased.
However, the existing gas blowers are all powered by a single power supply, so that once the gas blower is suddenly stopped due to the outage of a high-voltage power supply, coke oven gas can be leaked, the coke oven gas can cause environmental pollution, and in the serious case, the personal safety of workers can be threatened.
Therefore, in order to ensure the normal and continuous safe operation of the coke oven gas blower and meet the requirement of short-time uninterrupted power supply, the high-voltage double-power-supply automatic conversion device for the gas blower is provided, and the gas blower is prevented from being suddenly stopped due to the outage of a high-voltage power supply to form uninterrupted power supply.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal gas air-blower high pressure dual supply automatic switching device mainly solves current coke oven gas air-blower power supply mode singleness, causes the problem of coke oven gas leakage, polluted environment after the outage shuts down.
In order to achieve the above object, the utility model adopts the following technical scheme:
a high-voltage dual-power automatic switching device of a gas blower comprises a high-voltage wire outlet cabinet and an automatic switching cabinet which are respectively connected with two sections of buses of an original blower power supply, and an intelligent control device which is connected with the high-voltage wire outlet cabinet and the automatic switching cabinet; the high-voltage wire outlet cabinet is respectively connected with a common power supply and a standby power supply through high-voltage cables, and the phase sequence of the high-voltage cables is consistent with that of the original bus.
Furthermore, the high-voltage outlet cabinet comprises a vacuum switch cabinet connected with a common power supply and a standby power supply, a first vacuum circuit breaker, an overvoltage protector, a first current transformer and a power monitoring instrument which are connected with the vacuum switch cabinet, and a microcomputer type comprehensive protection device which is connected with an intelligent control device and the vacuum switch cabinet; the first current transformer is connected with a section of power bus of the original blower.
Further, the automatic switching cabinet comprises a spare power automatic switching controller connected with the intelligent control device, and a second vacuum circuit breaker, a second current transformer and a voltage transformer which are connected with the spare power automatic switching controller; the second current transformer and the voltage transformer are both connected with the other section of power bus of the original blower, and the spare power automatic switching controller is also connected with a common power supply and a spare power supply through high-voltage cables.
Furthermore, the first vacuum circuit breaker and the second vacuum circuit breaker both adopt solid-sealed pole circuit breakers.
Furthermore, the intelligent control device comprises a microprocessor, a loop simulation diagram, a temperature and humidity measurement module, a switching-on/off switch, a remote/local switch and an LED liquid crystal display screen, wherein the loop simulation diagram, the temperature and humidity measurement module, the switching-on/off switch, the remote/local switch and the LED liquid crystal display screen are all connected with the microprocessor; the switching-on/off switch and the remote/local switch are connected with the first vacuum circuit breaker and the second vacuum circuit breaker, and the microprocessor is connected with the vacuum switch cabinet and the spare power automatic switching controller.
Furthermore, a space heater connected with the intelligent control device and used for preventing condensation is further arranged in the high-voltage wire outlet cabinet.
Furthermore, the high-voltage outlet cabinet and the intelligent control device are both provided with RS485 communication interfaces; the RS485 communication interface of the high-voltage wire outlet cabinet is arranged on the vacuum switch cabinet, the RS485 communication interface of the intelligent control device is connected with the microprocessor, and the space heater is connected with the microprocessor.
Preferably, the movable contacts of the first vacuum circuit breaker and the second vacuum circuit breaker are provided with insulating sleeves. Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses an add high-pressure outlet cabinet and automatic switching cabinet respectively at two sections generating lines of former blower power, during normal operating, the high-pressure outlet cabinet is in hot standby state, and the high-pressure outlet cabinet under the hot standby state is automatic switch-over under the control of automatic switching cabinet is put into use when original power cabinet has a power failure, forms uninterrupted power supply, prevents that the high voltage power outage from causing the gas blower to shut down suddenly and lead to coke oven gas to leak and form the environmental pollution accident.
(2) The utility model discloses a high-pressure outlet cabinet's first vacuum circuit breaker and automatic switch cabinet's second vacuum circuit breaker all have on the spot and distant place backstage control detection function, through intelligent control device and vacuum circuit breaker's supporting use, protect the safety of the electrical equipment in the high-pressure outlet cabinet to utilize overvoltage protector to realize the overvoltage protection to vacuum switch cabinet, prolong the life of high-pressure outlet cabinet.
(3) The utility model discloses a vacuum circuit breaker adopts and seals utmost point post circuit breaker admittedly, makes circuit breaker modularized design, simple structure, and the reliability is high, makes the circuit breaker size reduce when improving dielectric strength, is favorable to high-voltage wire cabinet and automatic switch cabinet miniaturization.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the high-voltage outlet cabinet of the present invention.
Fig. 3 is a schematic block diagram of the automatic switching cabinet of the present invention.
Fig. 4 is the utility model discloses an intelligence is controlled device functional block diagram.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in fig. 1-4, the utility model discloses a high-voltage dual-power automatic switching device of a gas blower, which comprises a high-voltage wire-out cabinet and an automatic switching cabinet which are respectively connected with two sections of buses of the power supply of the original blower, and an intelligent control device which is connected with the high-voltage wire-out cabinet and the automatic switching cabinet; the high-voltage wire outlet cabinet is respectively connected with a common power supply and a standby power supply through high-voltage cables, and the phase sequence of the high-voltage cables is consistent with that of the original bus.
When the high-voltage outlet cabinet normally operates, the high-voltage outlet cabinet is in a hot standby state, and when the original power supply cabinet is powered off, the high-voltage outlet cabinet in the hot standby state is automatically switched to be used under the control of the automatic switching cabinet, so that uninterrupted power supply is formed. The high-voltage outlet cabinet comprises a vacuum switch cabinet, a first vacuum circuit breaker, an overvoltage protector, a first current transformer and a power monitoring instrument, wherein the vacuum switch cabinet is connected with a common power supply and a standby power supply, and a microcomputer type comprehensive protection device is connected with an intelligent control device and the vacuum switch cabinet. The overvoltage protector is HD-HFB-12.7, the microcomputer comprehensive protection device is RCS-9641CS, and the power monitoring instrument is SD96-EY 3. And a space heater connected with the intelligent control device and used for preventing condensation is also arranged in the high-voltage wire outlet cabinet. The hot air is prevented from forming condensed water in the high-voltage outlet cabinet when the coal gas blower works, so that the high-voltage outlet cabinet is damaged.
The switching of the power supply is controlled by an automatic switching cabinet, and the automatic switching cabinet comprises a spare power automatic switching controller connected with the intelligent control device, and a second vacuum circuit breaker, a second current transformer and a voltage transformer which are connected with the spare power automatic switching controller. The first current transformer and the second current transformer are both of the type LZBJ 9-10, and the voltage transformer is of the type DC-2 KVA. The first vacuum circuit breaker and the second vacuum circuit breaker both adopt solid-sealed pole circuit breakers of VBD-12P models, and insulating sleeves are arranged on the movable contacts, so that the circuit breakers are in modular design, the structure is simple, the reliability is high, the size of the circuit breakers is reduced while the insulating strength is improved, and the miniaturization of a high-voltage wire outlet cabinet and an automatic conversion cabinet is facilitated.
The high-voltage dual-power automatic switching state of the gas blower can be controlled and checked through an intelligent control device, and the intelligent control device comprises a microprocessor, a loop simulation diagram, a temperature and humidity measurement module, a switching-on/switching-off switch, a remote/local switch and an LED liquid crystal display screen, wherein the loop simulation diagram, the temperature and humidity measurement module, the switching-on/switching-off switch, the remote/local switch and the LED liquid crystal; the switching-on/off switch and the remote/local switch are connected with the first vacuum circuit breaker and the second vacuum circuit breaker, and the microprocessor is connected with the vacuum switch cabinet and the spare power automatic switching controller.
The high-voltage outlet cabinet and the intelligent control device are both provided with RS485 communication interfaces; the RS485 communication interface of the high-voltage wire outlet cabinet is arranged on the vacuum switch cabinet, the RS485 communication interface of the intelligent control device is connected with the microprocessor, and the high-voltage wire outlet cabinet and the intelligent control device can be in communication connection with an external PC through the RS485 communication interface, so that the high-voltage wire outlet cabinet and the intelligent control device can be conveniently connected and debugged.
Through the design, the utility model discloses can guarantee normal, the continuous safe operation of coke oven gas air-blower, reach the incessant power supply requirement of short-term, prevent that high voltage power supply outage from leading to the gas air-blower shutdown suddenly, form incessant power supply, avoid leading to coke oven gas to leak because of the gas air-blower halts suddenly and form the environmental pollution accident. Therefore, the method has high use value and popularization value.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (8)
1. A high-voltage dual-power automatic switching device of a gas blower is characterized by comprising a high-voltage wire outlet cabinet and an automatic switching cabinet which are respectively connected with two sections of buses of an original blower power supply, and an intelligent control device which is connected with the high-voltage wire outlet cabinet and the automatic switching; the high-voltage wire outlet cabinet is respectively connected with a common power supply and a standby power supply through high-voltage cables, and the phase sequence of the high-voltage cables is consistent with that of the original bus.
2. The automatic high-voltage dual-power switching device of the gas blower according to claim 1, wherein the high-voltage power cabinet comprises a vacuum switch cabinet connected with a common power supply and a standby power supply, a first vacuum circuit breaker, an overvoltage protector, a first current transformer and a power monitoring instrument which are connected with the vacuum switch cabinet, and a microcomputer-type comprehensive protection device which is connected with an intelligent control device and the vacuum switch cabinet; the first current transformer is connected with a section of power bus of the original blower.
3. The automatic high-voltage dual-power-supply conversion device for the gas blower according to claim 2, wherein the automatic conversion cabinet comprises a spare power automatic switching controller connected with the intelligent control device, and a second vacuum circuit breaker, a second current transformer and a voltage transformer which are connected with the spare power automatic switching controller; the second current transformer and the voltage transformer are both connected with the other section of power bus of the original blower, and the spare power automatic switching controller is also connected with a common power supply and a spare power supply through high-voltage cables.
4. The automatic high-voltage dual-power supply conversion device of the gas blower according to claim 3, wherein the first vacuum circuit breaker and the second vacuum circuit breaker are both solid-sealed pole circuit breakers.
5. The automatic high-voltage dual-power supply conversion device for the gas blower according to claim 4, wherein the intelligent control device comprises a microprocessor, a loop simulation diagram, a temperature and humidity measurement module, a switching-on/off switch, a remote/local switch and an LED liquid crystal display screen, wherein the loop simulation diagram, the temperature and humidity measurement module, the switching-on/off switch, the remote/local switch and the LED liquid crystal display screen are all connected with the microprocessor; the switching-on/off switch and the remote/local switch are connected with the first vacuum circuit breaker and the second vacuum circuit breaker, and the microprocessor is connected with the vacuum switch cabinet and the spare power automatic switching controller.
6. The automatic high-voltage dual-power switching device of the gas blower as claimed in claim 5, wherein a space heater connected with the intelligent control device and used for preventing condensation is further arranged in the high-voltage outlet cabinet.
7. The automatic high-voltage dual-power switching device of the gas blower according to claim 6, wherein the high-voltage outlet cabinet and the intelligent control device are provided with RS485 communication interfaces; the RS485 communication interface of the high-voltage wire outlet cabinet is arranged on the vacuum switch cabinet, the RS485 communication interface of the intelligent control device is connected with the microprocessor, and the space heater is connected with the microprocessor.
8. The automatic high-voltage double-power-supply switching device for the gas blower as claimed in claim 7, wherein the movable contacts of the first vacuum circuit breaker and the second vacuum circuit breaker are provided with insulating sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708284.4U CN210297348U (en) | 2019-10-13 | 2019-10-13 | High-voltage dual-power automatic switching device of gas blower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708284.4U CN210297348U (en) | 2019-10-13 | 2019-10-13 | High-voltage dual-power automatic switching device of gas blower |
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| CN210297348U true CN210297348U (en) | 2020-04-10 |
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| CN201921708284.4U Active CN210297348U (en) | 2019-10-13 | 2019-10-13 | High-voltage dual-power automatic switching device of gas blower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216348A (en) * | 2021-11-29 | 2022-03-22 | 苏州振湖电炉有限公司 | Automatic control system of double-power-supply double-furnace-body change-over switch |
-
2019
- 2019-10-13 CN CN201921708284.4U patent/CN210297348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216348A (en) * | 2021-11-29 | 2022-03-22 | 苏州振湖电炉有限公司 | Automatic control system of double-power-supply double-furnace-body change-over switch |
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