CN220457235U - Power module for fire-fighting smoke extractor - Google Patents
Power module for fire-fighting smoke extractor Download PDFInfo
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- CN220457235U CN220457235U CN202322052081.7U CN202322052081U CN220457235U CN 220457235 U CN220457235 U CN 220457235U CN 202322052081 U CN202322052081 U CN 202322052081U CN 220457235 U CN220457235 U CN 220457235U
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- 239000000779 smoke Substances 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 18
- 229910052744 lithium Inorganic materials 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Fire Alarms (AREA)
Abstract
The utility model discloses a power supply module for a fire-fighting smoke extractor, which comprises a motor driver and an alternating current power supply module connected with the motor driver, wherein the motor driver is also connected with a direct current power supply module; the direct-current power supply module comprises a battery unit, a battery detection unit and a direct-current/direct-current unit; the battery detection unit comprises a current acquisition module, a temperature acquisition module, a controller module and an alarm module which are connected with the battery unit, wherein the current acquisition module, the temperature acquisition module and the alarm module are all connected with the controller module; the controller module is also connected with a direct-current/direct-current unit, and the direct-current/direct-current unit comprises a power MOS module connected with the controller module and a direct-current/direct-current module connected with the battery unit; the power MOS module is connected with the direct current-to-alternating current module; the direct current-to-direct current module is connected with the motor driver. The utility model not only has alternating current power supply, but also increases battery power supply so as to meet the complex scene requirement of the fire-fighting smoke extractor.
Description
Technical Field
The utility model belongs to the field of smoke extractors, and particularly relates to a power module for a fire smoke extractor.
Background
The fire-fighting smoke extractor blows off smoke by using a fan, thereby guaranteeing the safety of firefighters and trapped fire personnel, and being widely applied to occasions such as high-rise buildings, underground buildings, tunnels, industrial and mining enterprises and the like. Because of the complex scene it deals with, the existing smoke extractor with only alternating current power supply will not be able to meet.
Disclosure of Invention
The utility model aims to provide a power supply module for a fire-fighting smoke extractor, which not only has alternating current power supply, but also increases battery power supply so as to meet the complex scene requirement of the fire-fighting smoke extractor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the power supply module for the fire-fighting smoke extractor comprises a motor driver and an alternating current power supply module connected with the motor driver, wherein the motor driver is also connected with a direct current power supply module;
the direct-current power supply module comprises a battery unit, a battery detection unit and a direct-current/direct-current unit; the battery detection unit comprises a current acquisition module, a temperature acquisition module, a controller module and an alarm module which are connected with the battery unit, wherein the current acquisition module, the temperature acquisition module and the alarm module are all connected with the controller module;
the controller module is also connected with a direct-current/direct-current unit, and the direct-current/direct-current unit comprises a power MOS module connected with the controller module and a direct-current/direct-current module connected with the battery unit; the power MOS module is connected with the direct current-to-alternating current module; the direct current-to-direct current module is connected with the motor driver.
Further, the battery unit is formed by connecting ten 48V lithium batteries in series.
Further, the current acquisition module comprises a Hall current sensor connected with the lithium battery and a conversion module connected with the Hall current sensor.
Further, the temperature acquisition module adopts NTC with 100K resistance and B value 3435 as a temperature sensor.
Further, the direct current-to-direct current module is realized by an inverter.
According to the utility model, the direct current power supply part is added in the existing fire-fighting smoke extractor to meet the complex use environment of the fire-fighting smoke extractor, and meanwhile, the battery detection unit is designed in the direct current power supply part to detect the use of the battery, so that the damage of the fire-fighting smoke extractor caused by the battery problem is avoided.
Drawings
Fig. 1 is a schematic view of a fire-fighting smoke extractor.
Fig. 2 is a schematic diagram of a power module according to the present utility model.
Fig. 3 is a block diagram of a circuit structure of the present utility model.
Detailed Description
The embodiment provides a power module for fire control fume extractor includes the motor drive who is connected with fire control fume extractor motor, all is connected with motor drive's alternating current power module and direct current power module. The motor driver and the ac power module are both in the prior art of the fire-fighting smoke extractor, as shown in fig. 1, and the embodiment is not improved, so that the description is omitted.
In this embodiment, a dc power supply is mainly added to a power supply portion of an existing fire-fighting smoke extractor, as shown in fig. 2 and fig. 3, where the dc power supply module includes a battery unit, a battery detection unit, a power MOS module, and a dc-to-ac module.
The battery unit is formed by connecting ten 48V lithium batteries in series, the lithium batteries are selected to be rechargeable lithium batteries, the circuit reconstruction of the application is reduced, and the charging part is an independent battery charging module and is not arranged on the fire-fighting smoke extractor.
The battery detection unit is used for detecting the battery state in the reuse process of the lithium battery, and comprises a current acquisition module connected with each lithium battery, a temperature acquisition module for measuring the temperature of the lithium battery, a controller module connected with the current acquisition module and the temperature acquisition module, and an alarm module connected with the controller module, wherein the current acquisition module comprises a Hall current sensor connected with the lithium battery and a conversion module connected with the Hall current sensor, the Hall current sensor acquires the current of the positive end of the lithium battery, then converts the voltage conversion module into voltage, and then converts the voltage into a digital signal to be sent to the controller module, so that the voltage detection of each lithium battery is realized, the service condition of each battery is monitored, and the influence on the whole battery unit due to the damage of the lithium battery is avoided. In the long-time service process, the service life of the battery can be estimated, and the lithium battery can be replaced in advance, so that the use of the fire-fighting smoke extractor is not affected. The temperature acquisition module adopts NTC with a resistance value of 100K and a B value of 3435 as a temperature sensor, and the danger of using the lithium battery due to overhigh temperature is avoided by acquiring the temperature of the lithium battery; the temperature sensor is connected with the controller module, temperature data acquired by the temperature sensor is sent to the controller module, and the controller module adopts an existing microprocessor module with data analysis processing capacity and storage function, such as an MPS430 module and the like. The alarm module adopts an audible and visual alarm or a remote notification alarm mode, and alarms in time when abnormality occurs, so that damage to the motor caused by power supply of the lithium battery is avoided.
The power MOS module is connected with the controller module, the controller module controls the switch of the MOS tube in the power MOS module through the high-low level signal, and the power MOS module is connected with the direct current-to-alternating current module, so that direct current is converted into alternating current, and power is supplied to the fire-fighting smoke extractor.
The direct current-to-direct current module is realized by an inverter, and the embodiment selects the inverter capable of converting 48V direct current into 380V alternating current.
The direct current power supply part is added in the existing fire-fighting smoke extractor, so that the wireless practical fire-fighting smoke extractor can be used for realizing the aim of particularly inconvenient connection of plugs in complex environments, such as underground passages, building and the like, and reducing the difficulty.
The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present utility model should be covered in the scope of the present utility model.
Claims (5)
1. The utility model provides a fire control is power module for fume extractor, includes motor driver, and the alternating current power module who is connected with motor driver, its characterized in that: the motor driver is also connected with a direct current power supply module;
the direct-current power supply module comprises a battery unit, a battery detection unit and a direct-current/direct-current unit; the battery detection unit comprises a current acquisition module, a temperature acquisition module, a controller module and an alarm module which are connected with the battery unit, wherein the current acquisition module, the temperature acquisition module and the alarm module are all connected with the controller module;
the controller module is also connected with a direct-current/direct-current unit, and the direct-current/direct-current unit comprises a power MOS module connected with the controller module and a direct-current/direct-current module connected with the battery unit; the power MOS module is connected with the direct current-to-alternating current module; the direct current-to-direct current module is connected with the motor driver.
2. The power module for a fire smoke extractor according to claim 1, wherein: the battery unit is formed by connecting ten 48V lithium batteries in series.
3. The power module for a fire smoke extractor according to claim 1, wherein: the current acquisition module comprises a Hall current sensor connected with the lithium battery and a conversion module connected with the Hall current sensor.
4. The power module for a fire smoke extractor according to claim 1, wherein: the temperature acquisition module adopts NTC with 100K resistance and B value 3435 as a temperature sensor.
5. The power module for a fire smoke extractor according to claim 1, wherein: the direct current-to-direct current module is realized by an inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322052081.7U CN220457235U (en) | 2023-08-01 | 2023-08-01 | Power module for fire-fighting smoke extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322052081.7U CN220457235U (en) | 2023-08-01 | 2023-08-01 | Power module for fire-fighting smoke extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220457235U true CN220457235U (en) | 2024-02-06 |
Family
ID=89729908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322052081.7U Active CN220457235U (en) | 2023-08-01 | 2023-08-01 | Power module for fire-fighting smoke extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220457235U (en) |
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2023
- 2023-08-01 CN CN202322052081.7U patent/CN220457235U/en active Active
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