CN219585691U - Crane stator voltage regulation fan alarm device - Google Patents
Crane stator voltage regulation fan alarm device Download PDFInfo
- Publication number
- CN219585691U CN219585691U CN202320178902.9U CN202320178902U CN219585691U CN 219585691 U CN219585691 U CN 219585691U CN 202320178902 U CN202320178902 U CN 202320178902U CN 219585691 U CN219585691 U CN 219585691U
- Authority
- CN
- China
- Prior art keywords
- fan
- switch
- crane
- stator voltage
- alarm device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to a crane stator voltage regulating fan alarm device, and belongs to the technical field of metallurgical electrical equipment. The technical scheme of the utility model is as follows: the upper diode opening of the second fan switch (5) is connected with the diode of the first fan switch (2) in parallel, the lower diode opening of the first fan switch (2) is connected with the first fan (3) of the stator voltage regulating device of the crane, and the lower diode opening of the second fan switch (5) is connected with the second fan (4) of the stator voltage regulating device of the crane; the remaining one pole of the fan one switch (2) and the remaining one pole of the fan two switch (5) are connected in series with a coil of the relay (6), and a normally closed contact of the relay (6) is connected with the alarm device (7). The beneficial effects of the utility model are as follows: the device has the advantages of simple structure and lower use cost, effectively avoids cooling failure of the pressure regulating device caused by tripping of the fan of the stator pressure regulating device of the crane, further causes shutdown failure of the stator pressure regulating device of the crane, and saves the time of fault maintenance.
Description
Technical Field
The utility model relates to a crane stator voltage regulating fan alarm device, and belongs to the technical field of metallurgical electrical equipment.
Background
The metallurgical liquid bridge crane is a key device for production operation in a steelmaking workshop, and the stator pressure regulating device of the crane is used as an important control device for the hoisting mechanism, so that the fault rate of the hoisting mechanism can be effectively reduced. However, the existing crane stator voltage regulating device for the medium plate adopts a 220V power supply to control two fans, and because the workshop environment is relatively severe and dust is more, when a certain crane stator voltage regulating fan fails, the two fans adopt the same power switch to supply power, so that a cooling system of the crane stator voltage regulating device trips, and the crane stator voltage regulating device cannot work normally due to temperature rise, thereby influencing the normal operation of the crane.
In order to prevent the crane stator voltage regulating device from alarming due to single fan faults, and simultaneously alarm the tripping caused by the fans, maintenance personnel are informed of repairing in time, a set of crane stator voltage regulating fan alarming device is needed to be designed, and the lifting mechanism is prevented from stopping due to the crane stator voltage regulating fan faults.
Disclosure of Invention
The utility model aims to provide a crane stator voltage regulation fan alarm device, which changes the original single-circuit power supply into independent power supply, avoids cooling failure caused by single fan fault, adopts a 3P air switch as a breaker, can provide power supply, can be used as a contact serial relay, has simple structure, is easy to reform, and has lower use cost; the cooling failure of the voltage regulating device caused by tripping of the fan of the stator voltage regulating device of the crane is effectively avoided, thereby causing the shutdown failure of the stator voltage regulating device of the crane, saving the time for fault maintenance and solving the problems in the prior art.
The technical scheme of the utility model is as follows: the utility model provides a hoist stator voltage regulation fan alarm device, includes switch, fan one switch, hoist stator voltage regulator fan one, hoist stator voltage regulator fan two, fan two switches, relay and alarm device, fan one switch is 3P air switch with fan two switches, the two pole upper port of fan one switch connects the switch lower extreme, the two pole upper extreme of fan two switches is parallelly connected with the two poles of fan one switch, the two pole lower extreme of fan one switch inserts hoist stator voltage regulator fan one, the two pole lower extreme of fan two switches inserts hoist stator voltage regulator fan two; the remaining one pole of the fan one switch and the remaining one pole of the fan two switch are connected in series with a relay coil, and a normally closed contact of the relay is connected with an alarm device.
The power switch is an original crane stator voltage regulating fan power supply and is a 2P air switch.
The alarm device comprises an alarm lamp and a buzzer, and the alarm lamp and the buzzer are connected in parallel to a normally closed contact of a relay coil and a 220V power supply.
The alarm device is arranged in the cab.
The beneficial effects of the utility model are as follows: the original single-circuit power supply is changed into independent power supply, so that cooling failure caused by single fan faults is avoided, a 3P air switch is adopted as a circuit breaker, the 3P air switch can provide power, and can be used as a contact serial relay, so that the structure is simple, the transformation is easy, and the use cost is low; the cooling failure of the voltage regulating device caused by tripping of the fan of the stator voltage regulating device of the crane is effectively avoided, so that the shutdown failure of the stator voltage regulating device of the crane is caused, and the fault maintenance time is saved.
Drawings
FIG. 1 is a schematic circuit diagram of the present utility model;
in the figure: the power switch 1, the fan I switch 2, the crane stator voltage regulator fan I3, the crane stator voltage regulator fan I4, the fan II switch 5, the relay 6 and the alarm device 7.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are a small part of the embodiments of the present utility model, but not all the embodiments, based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.
The utility model provides a hoist stator voltage regulation fan alarm device, include switch 1, fan one switch 2, hoist stator voltage regulator fan one 3, hoist stator voltage regulator fan two 4, fan two switch 5, relay 6 and alarm device 7, fan one switch 2 and fan two switch 5 are 3P air switch, connect switch 1 lower extreme on the two upper mouths of fan one switch 2, the two pole upper mouths of fan two switch 5 are parallelly connected with the two poles of fan one switch 2, the two pole lower extreme of fan one switch 2 inserts hoist stator voltage regulator fan one 3, the two pole lower extreme of fan two switch 5 inserts hoist stator voltage regulator fan two 4; the remaining one pole of the fan one switch 2 and the remaining one pole of the fan two switch 5 are connected in series with the coil of the relay 6, and the normally closed contact of the relay 6 is connected with the alarm device 7.
The power switch 1 is an original crane stator voltage regulating fan power supply and is a 2P air switch.
The alarm device 7 comprises an alarm lamp and a buzzer, and the alarm lamp and the buzzer are connected in parallel and connected with a normally closed contact of a coil of the relay 6 and a 220V power supply.
The alarm device 7 is arranged in the cab.
In practical application, the power switch 1 is an original crane stator voltage regulating fan power supply, in order to prevent a single fan fault from causing a power switch trip, two 3P air switches are added to independently supply power to a crane stator voltage regulating device fan I3 and a crane stator voltage regulating device fan II 4 respectively, wherein the crane stator voltage regulating device fan I3 is controlled by the fan I switch 2, the crane stator voltage regulating device fan II 4 is controlled by the fan II switch 5, the fan I switch 2 and the fan II switch 5 respectively belong to the first switch which is connected to the relay 6, and the normally closed contact of the relay 6 is connected with the alarm device 7. When the crane stator voltage regulating device works normally, the fan one switch 2 and the fan two switch 5 are in a closing state, the relay 6 is electrified and closed, the normally closed contact is disconnected, and the alarm device 7 does not work. When a fan of the stator voltage regulating device of the crane fails, the fan one switch 2 or the fan two switch 5 is caused to trip, the relay 6 is disconnected in a power failure mode, the normally closed contact is closed, and the alarm device 7 sends out an alarm signal. After receiving the alarm, the driver timely informs an maintainer to maintain the crane stator pressure regulating fan.
Claims (4)
1. A crane stator voltage regulation fan alarm device is characterized in that: the device comprises a power switch (1), a fan I switch (2), a crane stator voltage regulating device fan I (3), a crane stator voltage regulating device fan II (4), a fan II switch (5), a relay (6) and an alarm device (7), wherein the fan I switch (2) and the fan II switch (5) are 3P air switches, the upper diode port of the fan I switch (2) is connected with the lower port of the power switch (1), the upper diode port of the fan II switch (5) is connected with the diode of the fan I switch (2) in parallel, the lower diode port of the fan I switch (2) is connected with the crane stator voltage regulating device fan I (3), and the lower diode port of the fan II switch (5) is connected with the crane stator voltage regulating device fan II (4); the remaining one pole of the fan one switch (2) and the remaining one pole of the fan two switch (5) are connected in series with a coil of the relay (6), and a normally closed contact of the relay (6) is connected with the alarm device (7).
2. The crane stator pressure regulating fan alarm device of claim 1, wherein: the power switch (1) is an original crane stator voltage regulating fan power supply and is a 2P air switch.
3. The crane stator pressure regulating fan alarm device of claim 1, wherein: the alarm device (7) comprises an alarm lamp and a buzzer, and the alarm lamp and the buzzer are connected in parallel to a normally closed contact of a coil of the relay (6) and a 220V power supply.
4. The crane stator pressure regulating fan alarm device of claim 1, wherein: the alarm device (7) is arranged in the cab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320178902.9U CN219585691U (en) | 2023-02-10 | 2023-02-10 | Crane stator voltage regulation fan alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320178902.9U CN219585691U (en) | 2023-02-10 | 2023-02-10 | Crane stator voltage regulation fan alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219585691U true CN219585691U (en) | 2023-08-25 |
Family
ID=87697621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320178902.9U Active CN219585691U (en) | 2023-02-10 | 2023-02-10 | Crane stator voltage regulation fan alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219585691U (en) |
-
2023
- 2023-02-10 CN CN202320178902.9U patent/CN219585691U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2924742Y (en) | Transformer forced-oil-circulation air-cooled intelligent control system | |
| CN203223407U (en) | Air cooling controller of switch cabinet | |
| CN219585691U (en) | Crane stator voltage regulation fan alarm device | |
| CN216290739U (en) | Energy-saving heat dissipation controller of high-voltage variable frequency motor | |
| CN206649335U (en) | Intelligent transformer air cooling equipment | |
| CN201860175U (en) | Operation controller for field suppression switch | |
| CN111313370A (en) | Power supply open-phase protection circuit of alternating current servo speed regulation system | |
| CN110380385B (en) | Control system and method for predicting faults of electrical equipment | |
| CN212784751U (en) | Scraper formula centrifuge control circuit | |
| CN218771410U (en) | Power supply circuit of water cooling system of reactive power compensation device | |
| CN214403684U (en) | Small steam turbine emergency trip system, small steam turbine and generator set | |
| CN215188060U (en) | Centralized inverter container cooling system fault alarm device | |
| CN108873962A (en) | For controlling the power-economizing method of GTCC power plant Main Transformer Cooler | |
| CN113589859B (en) | Cooling tower water temperature control device | |
| CN211790956U (en) | High-voltage circuit breaker opening and closing operation device | |
| CN212569491U (en) | Remote switch control circuit of industrial equipment | |
| CN218920299U (en) | Optimized circuit system for chain control protection of variable frequency motor and fan | |
| CN114517505B (en) | Energy-saving water supply device | |
| CN211758364U (en) | Standby switching system of pneumatic regulating valve of continuous casting machine | |
| CN219643656U (en) | Power-loss protection alarm device for PLC cabinet power supply | |
| CN213928845U (en) | Fan cooling control system of direct current speed control system | |
| CN219717923U (en) | Linkage scram switch circuit structure for energy storage system | |
| CN217721057U (en) | Motor heat dissipation control circuit and motor system | |
| CN213545104U (en) | Water pressure control system for cooling electroslag furnace | |
| CN218151812U (en) | Percussion hammer operating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |