CN110239464B - Explosion-proof type low-voltage standby power supply device for coal mine underground explosion-proof vehicle - Google Patents
Explosion-proof type low-voltage standby power supply device for coal mine underground explosion-proof vehicle Download PDFInfo
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- CN110239464B CN110239464B CN201910525702.4A CN201910525702A CN110239464B CN 110239464 B CN110239464 B CN 110239464B CN 201910525702 A CN201910525702 A CN 201910525702A CN 110239464 B CN110239464 B CN 110239464B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a power supply device for vehicle-mounted equipment of an explosion-proof vehicle in a coal mine; the problem that when a driver forgets to turn off a vehicle power supply after using the vehicle, the problem that the vehicle is flameout and does not generate power can be automatically detected, a low-voltage standby power supply switch of the vehicle is switched off, and power shortage is prevented; the technical scheme is as follows: the power supply comprises a mechanical part and an electrical part, wherein the mechanical part comprises a waterproof cover and a power box explosion-proof box body, the waterproof cover is fixedly connected with the power box explosion-proof box body, the electrical part comprises a nickel-hydrogen battery pack, a power voltage stabilizing module, a control module, a wiring terminal and a charge and discharge indicator lamp, the power output end of the nickel-hydrogen battery pack is connected with the control module, the charge and discharge indicator lamp is connected with the control module, the output end of the power voltage stabilizing module is connected with the input end of the control module, the input end of the power voltage stabilizing module is connected with the input end of the wiring terminal, the output end of the control module is connected with the output end of the wiring terminal, the electrical part is arranged in the power box explosion-proof box body, and the charge and discharge indicator lamp is a double-color indicator lamp.
Description
Technical Field
The invention relates to the field of power supply of vehicle-mounted equipment of an explosion-proof vehicle in a coal mine, in particular to an explosion-proof type low-voltage standby power supply device for the explosion-proof vehicle in the coal mine.
Background
Along with the development of trackless auxiliary transportation technology and equipment of coal mines, the explosion-proof rubber-tyred car is widely applied to the underground moving and face-reversing of coal mines and transportation work. The electric equipment of the explosion-proof rubber-tyred vehicle mainly comprises other low-voltage vehicle-mounted electric equipment such as a lighting lamp, a signal lamp and a diesel locomotive comprehensive protection device, the vehicle power-on self-check and other low-voltage electric equipment are required to work in advance before the underground explosion-proof vehicle is started, the vehicle can be allowed to be started after the vehicle self-check is normal, the vehicle-mounted generator supplies power to the vehicle electric equipment after the vehicle is started, and the low-voltage standby power supply device is required to supply power to the vehicle low-voltage electric equipment when the vehicle is not started.
In colliery explosion-proof vehicle operation in the pit, the vehicle-mounted generator electricity generation supplies power for vehicle consumer, and ubiquitous driver forgets to cut off the low pressure stand-by power switch condition after the vehicle is flamed out, and vehicle consumer leads to vehicle stand-by power device to discharge excessively easily and cause insufficient voltage this moment in the power consumption state always, and power device insufficient voltage influences follow-up vehicle and uses.
Disclosure of Invention
The invention discloses an explosion-proof type low-voltage standby power supply device for an explosion-proof vehicle in a coal mine, overcomes the defects in the prior art, and provides a power supply device capable of automatically detecting the flameout and non-power generation state of the explosion-proof vehicle and cutting off a low-voltage standby power supply switch of the vehicle.
In order to solve the technical problems, the invention adopts the technical scheme that: a flame-proof type low-voltage standby power supply device for an underground coal mine explosion-proof vehicle comprises a mechanical part and an electrical part, wherein the mechanical part comprises a waterproof cover and a power box flame-proof box body, the waterproof cover is fixedly connected with the power box flame-proof box body, the electrical part comprises a nickel-hydrogen battery pack, a power voltage stabilizing module, a control module, a wiring terminal and a charge and discharge indicator lamp, the power output end of the nickel-hydrogen battery pack is connected with the control module, the charge and discharge indicator lamp is connected with the control module, the output end of the power voltage stabilizing module is connected with the input end of the control module, the input end of the power voltage stabilizing module is connected with the output end of the wiring terminal, the output end of the control module is connected with the input end of the wiring terminal, the electrical part is arranged in the power box flame-proof box body, and the charge and discharge indicator lamp is a double-color indicator lamp;
the power supply voltage stabilizing module is used for stabilizing the voltage of the generator of the explosion-proof vehicle, which is input through the input end of the wiring terminal;
the control module is used for detecting whether the power supply voltage stabilizing module has output voltage or not, charging the nickel-hydrogen battery pack when the output voltage is detected, and enabling the charging and discharging indicator lamp to be lightened in a first color; when no output voltage is detected, controlling the nickel-hydrogen battery pack to supply power to the electric equipment through the wiring terminal, enabling the charge and discharge indicator lamp to be lightened in a second color, and cutting off the power supply of the nickel-hydrogen battery pack if the time length of no output voltage reaches the time length t; and the control module is used as a power management module for performing power management on the nickel-metal hydride battery pack.
Further, the output voltage of the power supply voltage stabilizing module is 28.8-29.0V of direct current.
Further, the time period t is 3 to 7 minutes.
Furthermore, the mechanical part also comprises an outer fixing bottom plate and cable leading-in devices, the outer fixing bottom plate is arranged at the bottom of the power box explosion-proof box body, and the three cable leading-in devices are arranged on one side of the power box explosion-proof box body.
Furthermore, a power box cover plate, a first inner fixing plate and a second inner fixing plate are arranged in the power box explosion-proof box body, the power box cover plate is arranged below the waterproof cover and connected with the waterproof cover through bolts, the first inner fixing plate is arranged below the interior of the power box explosion-proof box body, and the second inner fixing plate is arranged above the first inner fixing plate.
Furthermore, the nickel-metal hydride battery pack is fixed above the first inner fixing plate, the power supply voltage stabilizing module is fixed above the nickel-metal hydride battery pack, and the control module and the wiring terminal are fixed above the second inner fixing plate.
Furthermore, the outer fixing bottom plate and the power box explosion-proof box body are fixed through 4 fixing bolts with shock pads.
Furthermore, the manufacturing material of the waterproof cover is stainless steel with the thickness of 1 mm.
Furthermore, 4 fixing holes are formed in the periphery of the outer fixing bottom plate.
Compared with the prior art, the invention has the following beneficial effects.
The device can automatically detect the flameout and non-power generation state of the explosion-proof vehicle in the coal mine, and then cut off the low-voltage standby power switch of the vehicle, so as to prevent continuous power shortage under the condition that a driver forgets to turn off the power supply of the vehicle after using the vehicle, protect the storage battery of the vehicle and avoid the fault that the vehicle cannot be started due to power shortage.
Drawings
Fig. 1 is a schematic diagram of an electrical part provided in an embodiment of the present invention.
Fig. 2 is an overall schematic diagram of a mechanical part provided in an embodiment of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a sectional view of fig. 3.
Fig. 5 is a top view of fig. 3 with the waterproof cover removed.
In the figure, 1-a waterproof cover; 2-power box explosion-proof box body; 3-external fixing the bottom plate; 4-a shock pad; 5-fixing the bolt; 6-cover plate of power box; 7-a first inner fixing plate; 8-a second inner fixing plate; 9-cable lead-in means; 10-nickel-metal hydride batteries; 11-a power supply voltage stabilizing module; 12-a control module; 13-a connecting terminal; 14-charge and discharge indicator light; 15-fixing the hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the explosion-proof low-voltage standby power supply device for the explosion-proof vehicle in the coal mine comprises a mechanical part and an electrical part, wherein the mechanical part comprises a waterproof cover 1 and a power box explosion-proof box body 2, the waterproof cover 1 is fixedly connected with the power box explosion-proof box body 2, the electrical part comprises a nickel-hydrogen battery pack 10, a power voltage stabilizing module 11, a control module 12, a wiring terminal 13 and a charge and discharge indicator lamp 14, the power output end of the nickel-hydrogen battery pack 10 is connected with the control module 12, the charge and discharge indicator lamp 14 is connected with the control module 12, the output end of the power voltage stabilizing module 11 is connected with the input end of the wiring terminal 13, the output end of the control module 12 is connected with the input end of the wiring terminal 13, the electrical part is arranged in the power box explosion-proof box body 2, and the charge and discharge indicator lamp 14 is a red-green two-color signal indicator lamp;
the power source voltage stabilizing module 11 is used for stabilizing the voltage of the generator of the explosion-proof vehicle input through the input end of the connecting terminal 13, and the output voltage of the power source voltage stabilizing module 11 is kept at the direct current of 28.8-29.0V. Therefore, the service life of the vehicle-mounted 24V electric equipment can be prolonged; when the vehicle is started, the power source voltage stabilizing module 11 charges the nickel-hydrogen battery pack 10 while supplying power to the vehicle-mounted electric equipment, and the charge and discharge indicator lamp 14 is in a red state.
The control module 12 is configured to detect whether the power supply voltage stabilization module 11 has an output voltage, charge the nickel-metal hydride battery pack 10 when the output voltage is detected, and turn on the charge/discharge indicator lamp 14 in red; when no output voltage is detected, the nickel-hydrogen battery pack 10 is controlled to supply power to the electric equipment through the wiring terminal 13, the charge and discharge indicator lamp 14 is lightened in green, and if the time length of no output voltage reaches 3-7 minutes, the nickel-hydrogen battery pack 10 is cut off from supplying power; the control module 12 on the other hand serves as a power management module for performing power management on the nickel-metal hydride battery pack 10. The power management process is as follows: in the charging process, the control module 12 performs charging and discharging management on the nickel-metal hydride battery pack 10 by detecting the thermal and electrical related data of the single nickel-metal hydride battery. When the battery is fully charged, the charging loop is automatically cut off. When the voltage of the battery is lower than the charging threshold, the charging loop is automatically switched on to charge the nickel-hydrogen battery pack 10. When faults such as overvoltage, undervoltage, overcurrent, output short circuit and the like occur, the control module 12 performs corresponding processing according to the fault category. The control module 12 will automatically recover after the failure is handled.
As shown in fig. 3, the mechanical part further includes an external fixing bottom plate 3 and cable lead-in devices 9, the external fixing bottom plate 3 is arranged at the bottom of the power box explosion-proof box body 2, and the three cable lead-in devices 9 are arranged on one side of the power box explosion-proof box body 2.
As shown in fig. 4 and 5, a power box cover plate 6, a first inner fixing plate 7 and a second inner fixing plate 8 are arranged in the power box explosion-proof box body 2, the power box cover plate 6 is arranged below the waterproof cover 1 and connected with the waterproof cover 1 through bolts, the joint surface of the power box cover plate 6 and the power box explosion-proof box body 2 is of explosion-proof surface design, and the explosion-proof requirements are guaranteed by fixing the power box cover plate and the power box explosion-proof box body through eight evenly distributed bolts. The first inner fixing plate 7 is arranged below the inside of the power box explosion-proof box body 2, and the second inner fixing plate 8 is arranged above the first inner fixing plate 7. The nickel-metal hydride battery pack 10 is fixed above the first inner fixing plate 7, the power voltage stabilizing module 11 is fixed above the nickel-metal hydride battery pack 10, and the control module 12 and the connecting terminal 13 are fixed above the second inner fixing plate 8. The outer fixing bottom plate 3 and the power box explosion-proof box body 2 are fixed through 4 fixing bolts 5 with shock pads 4. The manufacturing material of buckler 1 is the stainless steel that thickness is 1mm, and is fixed with power supply box flame proof box 2 through both sides bolt, guarantees that this power supply unit prevents when preventing in the explosion-proof vehicle in the pit that the squirt from washing the vehicle occasionally water infiltration power supply box flame proof box 2, improves the protection level. The periphery of the outer fixing bottom plate 3 is provided with 4 fixing holes 15.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.
Claims (9)
1. The utility model provides a colliery is explosion-proof type low pressure stand-by power supply device for explosion-proof vehicle in pit which characterized in that: the explosion-proof power supply comprises a mechanical part and an electrical part, wherein the mechanical part comprises a waterproof cover (1) and a power supply box explosion-proof box body (2), the waterproof cover (1) is fixedly connected with the power supply box explosion-proof box body (2), the electrical part comprises a nickel-hydrogen battery pack (10), a power supply voltage stabilizing module (11), a control module (12), a wiring terminal (13) and a charging and discharging indicator lamp (14), the power output end of the nickel-hydrogen battery pack (10) is connected with the control module (12), the charging and discharging indicator lamp (14) is connected with the control module (12), the output end of the power supply voltage stabilizing module (11) is connected with the input end of the control module (12), the input end of the power supply voltage stabilizing module (11) is connected with the output end of the wiring terminal (13), the output end of the control module (12) is connected with the input end of the wiring terminal (13), the electrical part is arranged in the power supply box explosion-proof box body (2), and the charging and discharging indicator lamp (14) is a bicolor indicator lamp;
the power supply voltage stabilizing module (11) is used for stabilizing the voltage of the generator of the explosion-proof vehicle, which is input through the input end of the wiring terminal (13);
the control module (12) is used for detecting whether the output voltage exists in the power supply voltage stabilizing module (11) or not, charging the nickel-hydrogen battery pack (10) when the output voltage is detected, and enabling the charging and discharging indicator lamp (14) to be lightened in a first color; when no output voltage is detected, the nickel-hydrogen battery pack (10) is controlled to supply power to the electric equipment through the wiring terminal (13), the charging and discharging indicator lamp (14) is lightened in a second color, and if the duration of no output voltage reaches the duration t, the nickel-hydrogen battery pack (10) is cut off from power supply; the control module (12) is used as a power management module for managing the power of the nickel-hydrogen battery pack (10).
2. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle according to claim 1, which is characterized in that: the output voltage of the power supply voltage stabilizing module (11) is 28.8-29.0V of direct current.
3. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle according to claim 1, which is characterized in that: the time t is 3 to 7 minutes.
4. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle according to claim 1, which is characterized in that: the mechanical part further comprises an outer fixing bottom plate (3) and cable leading-in devices (9), the outer fixing bottom plate (3) is arranged at the bottom of the power box explosion-proof box body (2), and the three cable leading-in devices (9) are arranged on one side of the power box explosion-proof box body (2).
5. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle according to claim 1, which is characterized in that: be equipped with power supply box apron (6), first internal fixation board (7) and second internal fixation board (8) in power supply box flame proof box (2), power supply box apron (6) set up in the below of buckler (1), link to each other through the bolt with buckler (1), and first internal fixation board (7) set up the inside below of power supply box flame proof box (2), second internal fixation board (8) set up the top at first internal fixation board (7).
6. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle according to claim 5, characterized in that: nickel-hydrogen battery group (10) are fixed the top of first internal fixation board (7), power voltage stabilizing module (11) are fixed the top of nickel-hydrogen battery group (10), control module (12) and binding post (13) are fixed the top of second internal fixation board (8).
7. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle according to claim 6, characterized in that: the outer fixing bottom plate (3) and the power box explosion-proof box body (2) are fixed through 4 fixing bolts (5) with shock pads (4).
8. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle according to claim 7, characterized in that: the waterproof cover (1) is made of stainless steel with the thickness of 1 mm.
9. The explosion-proof type low-voltage standby power supply device for the coal mine underground explosion-proof vehicle as claimed in any one of claims 1 to 8, which is characterized in that: the periphery of the outer fixed bottom plate (3) is provided with 4 fixed holes (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525702.4A CN110239464B (en) | 2019-06-18 | 2019-06-18 | Explosion-proof type low-voltage standby power supply device for coal mine underground explosion-proof vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910525702.4A CN110239464B (en) | 2019-06-18 | 2019-06-18 | Explosion-proof type low-voltage standby power supply device for coal mine underground explosion-proof vehicle |
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| CN110239464A CN110239464A (en) | 2019-09-17 |
| CN110239464B true CN110239464B (en) | 2022-10-21 |
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| CN201910525702.4A Active CN110239464B (en) | 2019-06-18 | 2019-06-18 | Explosion-proof type low-voltage standby power supply device for coal mine underground explosion-proof vehicle |
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| CN113428036B (en) * | 2021-07-19 | 2023-03-14 | 中国煤炭科工集团太原研究院有限公司 | Automatic charging platform of high-capacity power supply device for underground coal mine |
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