CN211127642U - Explosion-proof dual-power dual-frequency-conversion speed regulation device for ventilator - Google Patents
Explosion-proof dual-power dual-frequency-conversion speed regulation device for ventilator Download PDFInfo
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- CN211127642U CN211127642U CN201921997311.4U CN201921997311U CN211127642U CN 211127642 U CN211127642 U CN 211127642U CN 201921997311 U CN201921997311 U CN 201921997311U CN 211127642 U CN211127642 U CN 211127642U
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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
Abstract
The flame-proof type dual-power double-frequency-conversion speed regulation device for the ventilator comprises a shell, a first power supply device, a first frequency conversion device, a second power supply device and a second frequency conversion device, wherein a partition plate is arranged at the center part in the shell, the partition plate divides the interior of the shell into a left space area and a right space area which are symmetrical, the first power supply device and the first frequency conversion device are installed in the left area, and the second power supply device and the second frequency conversion device are installed in the right area. The external power supply supplies power to the first frequency conversion device through the first power supply device and supplies power to the second frequency conversion device through the second power supply device; the first power supply device and the second power supply device have the same structure and respectively comprise a power supply circuit breaker and a power supply contactor, and the power supply circuit breaker is a circuit breaker with a mechanical and electrical locking structure. The explosion-proof dual-power dual-frequency-conversion speed regulation device adopts a main-standby dual-frequency-converter explosion-proof design structure and dual-power configuration, and can realize the layout form of the explosion-proof dual-power dual-frequency-conversion speed regulation device with one-on-standby automatic switching and maintenance without shutdown.
Description
Technical Field
The utility model relates to a converter technical field, in particular to explosion suppression type dual supply dual variable frequency speed adjusting device for ventilator.
Background
The underground working conditions are relatively severe, the air quality is poor, and a ventilator is needed to ensure the circulation of underground air. Therefore, the frequency conversion device for the ventilator is necessary for the underground working environment. Most of existing ventilator products are single type, namely single frequency converter, normal production operation is certainly influenced and even personal safety is damaged if the existing ventilator is overhauled or shut down accidentally. In addition, due to the fact that underground working conditions are special and the space is narrow, a spare frequency conversion device is difficult to purchase, and great troubles are brought to users.
Disclosure of Invention
In order to solve the technical problem among the background art, the utility model provides a two variable frequency speed device of flame-proof type dual supply for ventilator adopts a main two frequency converter project organization that is equipped with, adopts dual supply configuration simultaneously, and mechanical electrical locking structure accords with the explosion-proof standard of GB3836-2010, can realize one and open one and be equipped with automatic switch-over, do not shut down and overhaul the two variable frequency speed device overall arrangement form of flame-proof type dual supply of maintaining.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a two variable frequency speed control devices of flame-proof type dual supply for ventilation machine, two variable frequency speed control devices include casing, first power supply unit, first frequency conversion device, second power supply unit and second frequency conversion device, the central point sets up the baffle in the casing, the baffle separates into the space region of two left and right symmetries with casing inside, first power supply unit and first frequency conversion device install regional on the left, second power supply unit and second frequency conversion device install regional on the right.
The external power supply supplies power to the first frequency conversion device through the first power supply device and supplies power to the second frequency conversion device through the second power supply device; the first power supply device and the second power supply device have the same structure and respectively comprise a power supply circuit breaker and a power supply contactor, and the power supply circuit breaker is a circuit breaker with a mechanical and electrical locking structure.
The circuit breaker with the mechanical and electrical locking structure comprises a circuit breaker, a locking clamping plate, a locking button and a stop block; the circuit breaker and the locking button are both arranged on a panel of the shell, the locking clamping plate is arranged at the front end of a switch rotating shaft of the circuit breaker, and a semicircular opening is formed in the edge of the locking clamping plate; the semicircular opening corresponds to the installation position of the circular operation button of the locking button, and the stop block is installed inside the casing panel and at the rear end of the locking button.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this structure adopts the symmetrical arrangement of duplex type dual supply, has mechanical electrical latching structure, and mechanical electrical latching structure accords with the explosion-proof standard of GB3836-2010, when guaranteeing one of them overhaul of the equipments to maintain, the ventilation blower can normal operating in the pit, better assurance downhole worker's safety. The structure is convenient to maintain, compact in design, small in occupied space and very suitable for the working condition requirements of narrow space and continuous operation in a coal mine environment.
2. The mechanical and electrical locking structure can ensure the safe operation of the power-on process of the frequency converter and ensure the safety of underground workers.
Drawings
FIG. 1 is a structural diagram of the internal installation of the frequency conversion device of the present invention;
fig. 2 is a left side view of the frequency conversion device of the present invention;
fig. 3 is a cross-sectional view of the mechanical-electrical locking mechanism of the present invention.
In the figure: 1-first power circuit breaker 2-first power contactor 3-first transformer 4-first power unit 5-first capacitor unit 6-first reactor 7-second reactor 8-second capacitor unit 9-second power unit 10-second transformer 11-second power contactor 12-second power circuit breaker 13-casing 14-partition 15-switch rotating shaft 16-locking button 17-button spring 18-copper rod 19-casing 20-stopper 21-circuit breaker 22-locking catch plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-3, a flame-proof type dual-power dual-frequency-conversion speed regulation device for a ventilator comprises a casing 13, a first power supply device, a first frequency conversion device, a second power supply device and a second frequency conversion device, wherein a partition plate 14 is arranged at the center part in the casing 13, the inside of the casing 13 is divided into a left space area and a right space area by the partition plate 14, the first power supply device and the first frequency conversion device are arranged in the left area, and the second power supply device and the second frequency conversion device are arranged in the right area.
The external power supply supplies power to the first frequency conversion device through the first power supply device, and supplies power to the second frequency conversion device through the second power supply device.
The first frequency conversion device and the second frequency conversion device are both conventional frequency conversion devices, and the first frequency conversion device comprises a first transformer 3, a first power unit 4 (comprising a rectifying and inverting device), a first reactor 6 and a first capacitor unit 5 which are arranged in a machine shell 13; the first frequency conversion device comprises a second transformer 10, a second power unit 9 (including a rectifier and inverter device), a second reactor 7 and a second capacitor unit 8 which are all mounted in a casing 13, and the components are conventional frequency converter components, which is common knowledge of persons skilled in the art.
The first power supply device and the second power supply device have the same structure, and the first power supply device comprises a first power supply circuit breaker 1 and a first power supply contactor 2; the second power supply device includes a second power breaker 12 and a second power contactor 11.
The first power circuit breaker 1 and the first power circuit breaker 12 have the same structure and are circuit breakers with mechanical and electrical locking structures, as shown in fig. 3, the circuit breaker with mechanical and electrical locking structures comprises a circuit breaker 21, a locking catch plate 22, a locking button 16 and a stop 20; the circuit breaker 21 and the locking button 16 are both arranged on the casing panel 19, the locking catch plate 22 is arranged at the front end of the switch rotating shaft 15 of the circuit breaker 21, and a semicircular opening is formed in the edge of the locking catch plate 22; the semicircular opening corresponds to the mounting position of the circular operation button of the lock button 16, and the stopper 20 is mounted inside the cabinet panel 19 at the rear end of the lock button 16. The locking button 16 is internally provided with a button spring 17 and a copper rod 18, and the copper rod 18 penetrates through the button spring 17.
The locking operation principle of the circuit breaker with the mechanical and electrical locking structure is as follows: 1) the locking snap-gauge 22 is mechanically locked by the locking button 16, when the locking button 16 is not pressed down, the locking snap-gauge 22 is locked by the locking button 16, the circuit breaker 21 cannot be operated, and the mechanical locking function is realized; 2) meanwhile, the rear end of the stopper 20 of the locking button 16 can be matched with an electric button switch or a travel switch to realize the power-off locking function of the electric contact.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (3)
1. The explosion-proof dual-power dual-frequency-conversion speed regulation device for the ventilator is characterized by comprising a shell, a first power supply device, a first frequency conversion device, a second power supply device and a second frequency conversion device, wherein a partition plate is arranged at the center in the shell and separates the interior of the shell into a left space area and a right space area which are symmetrical, the first power supply device and the first frequency conversion device are installed on the left area, and the second power supply device and the second frequency conversion device are installed on the right area.
2. The explosion-proof dual-power dual-frequency-conversion speed regulation device for the ventilator according to claim 1, wherein an external power supply supplies power to the first frequency conversion device through a first power supply device, and supplies power to the second frequency conversion device through a second power supply device; the first power supply device and the second power supply device have the same structure and respectively comprise a power supply circuit breaker and a power supply contactor, and the power supply circuit breaker is a circuit breaker with a mechanical and electrical locking structure.
3. The explosion-proof dual-power dual-frequency-conversion speed regulation device for the ventilator according to claim 2, wherein the circuit breaker with the mechanical and electrical locking structure comprises a circuit breaker, a locking clamping plate, a locking button and a stop block; the circuit breaker and the locking button are both arranged on a panel of the shell, the locking clamping plate is arranged at the front end of a switch rotating shaft of the circuit breaker, and a semicircular opening is formed in the edge of the locking clamping plate; the semicircular opening corresponds to the installation position of the circular operation button of the locking button, and the stop block is installed inside the casing panel and at the rear end of the locking button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997311.4U CN211127642U (en) | 2019-11-18 | 2019-11-18 | Explosion-proof dual-power dual-frequency-conversion speed regulation device for ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997311.4U CN211127642U (en) | 2019-11-18 | 2019-11-18 | Explosion-proof dual-power dual-frequency-conversion speed regulation device for ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127642U true CN211127642U (en) | 2020-07-28 |
Family
ID=71722427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921997311.4U Active CN211127642U (en) | 2019-11-18 | 2019-11-18 | Explosion-proof dual-power dual-frequency-conversion speed regulation device for ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211127642U (en) |
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2019
- 2019-11-18 CN CN201921997311.4U patent/CN211127642U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210610 Address after: 312000 Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Patentee after: WOLONG ELECTRIC GROUP LIAONING RONGXIN ELECTRIC TRANSMISSION Co.,Ltd. Address before: No. 272 Sifangtai Road, Tiexi District, Anshan City, Liaoning Province, 114000 Patentee before: WOLONG ELECTRIC GROUP LIAONING RONGXIN ELECTRIC TRANSMISSION Co.,Ltd. |