CN219055993U - Mining explosion-proof trackless rubber-tyred car electrical power generating system - Google Patents
Mining explosion-proof trackless rubber-tyred car electrical power generating system Download PDFInfo
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- CN219055993U CN219055993U CN202223384607.3U CN202223384607U CN219055993U CN 219055993 U CN219055993 U CN 219055993U CN 202223384607 U CN202223384607 U CN 202223384607U CN 219055993 U CN219055993 U CN 219055993U
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Abstract
The utility model discloses a mining explosion-proof trackless rubber-tyred vehicle power supply system, which comprises: a power supply control box for a mining flameproof lithium ion storage battery power supply, a mining flameproof trackless rubber-tyred vehicle and a mining flameproof power supply converter; the mining flameproof lithium ion battery power supply is used for providing a power source for the whole vehicle, is used as a high-voltage input side, is connected with a power control box for the mining flameproof trackless rubber-tyred vehicle to provide a high-voltage input signal for the mining flameproof lithium ion battery power supply, and is used as a low-voltage input side, and is connected with vehicle-mounted low-voltage equipment to provide a low-voltage input signal for the mining flameproof trackless rubber-tyred vehicle; the power control box for the mining flameproof trackless rubber-tyred car is respectively connected with the mining flameproof power converter and the vehicle-mounted high-voltage equipment; the mining flameproof power converter is connected with vehicle-mounted low-voltage equipment. The utility model reduces the weight of the vehicle, avoids the fault that the standby power supply is easy to lose power, and reduces the cost of the vehicle and the complexity of the system.
Description
Technical Field
The utility model belongs to the technical field of vehicle-mounted power supplies, and particularly designs a novel mining explosion-proof trackless rubber-tyred vehicle power supply system.
Background
The mining explosion-proof trackless rubber-tyred vehicle (underground explosion-proof trackless rubber-tyred vehicle) has the advantages that the mining explosion-proof trackless rubber-tyred vehicle (underground explosion-proof trackless rubber-tyred vehicle) has no track limitation, and the articulated vehicle body is adopted, the front vehicle is used for traction, the rear vehicle is used for bearing, the turning radius is smaller, the mining explosion-proof trackless rubber-tyred vehicle has strong adaptability, good flexibility, safety and high efficiency, is especially suitable for free running on the severe road surface of an underground roadway, can realize direct transportation from the ground to the mining area working surface or from the wellhead to the mining area working surface without transfer after one-time loading, and has quick transportation speed and high transportation capacity, thereby greatly saving auxiliary transportation personnel and improving transportation efficiency. Therefore, the required power supply is not satisfied by the traditional electric vehicle power supply system (comprising a power battery, a high-voltage control box, a power converter, a storage battery and a vehicle-mounted charger), and the working process of the traditional electric vehicle power supply is as follows: when the vehicle is started, the storage battery supplies power for the whole vehicle, and after the vehicle is started, the power converter supplies power for the whole vehicle and simultaneously charges the storage battery. The power supply system used by the traditional mining explosion-proof trackless rubber-tyred vehicle generally comprises a lithium ion storage battery power supply (which can be called a power battery), a high-voltage control box, a power supply converter and a standby power supply, wherein the standby power supply supplies power for the whole vehicle when the vehicle is started, and the power supply converter supplies power for the whole vehicle and simultaneously supplies power for the standby power supply after the vehicle is started.
However, the mining explosion-proof trackless rubber-tyred vehicle has the following problems in the actual use process: in the use process of the vehicle, the standby power supply can not be charged in time due to short starting time or power converter faults and the like, and if the power consumption is used for a long time, the defect that the vehicle cannot be started can be caused.
Disclosure of Invention
The utility model designs a novel mining explosion-proof trackless rubber-tyred vehicle power supply system for solving a series of problems caused by the reasons of short starting time or power converter faults and the like of a standby power supply.
The specific scheme is as follows:
an explosion-proof trackless rubber-tyred car electrical power generating system for mining, characterized in that the system includes: a power supply control box for a mining flameproof lithium ion storage battery power supply, a mining flameproof trackless rubber-tyred vehicle and a mining flameproof power supply converter; the mining flameproof lithium ion battery power supply is used for providing a power source for the whole vehicle, is used as a high-voltage input side, is connected with a power supply control box for the mining flameproof trackless rubber-tyred vehicle to provide a high-voltage input signal for the mining flameproof lithium ion battery power supply, and is used as a low-voltage input side, and is connected with vehicle-mounted low-voltage equipment to provide a low-voltage input signal for the vehicle-mounted low-voltage equipment; the power supply control box for the mining flameproof trackless rubber-tyred vehicle is respectively connected with the mining flameproof power supply converter and the vehicle-mounted high-voltage equipment so as to respectively provide high-voltage input signals; the mining flameproof power converter is connected with vehicle-mounted low-voltage equipment to provide low-voltage input signals for the mining flameproof power converter.
Further, the power supply control box for the mining flameproof trackless rubber-tyred vehicle adopts a direct current power supply control box for the mining flameproof trackless rubber-tyred vehicle; the mining flameproof power supply converter adopts a mining flameproof direct current power supply converter.
Further, the mining flameproof lithium ion storage battery power supply comprises a battery pack circuit, a high-voltage output circuit and a low-voltage output circuit; the battery pack circuit is respectively connected with the high-voltage output circuit and the low-voltage output circuit; the high-voltage output circuit is connected with a power supply control box for the mining flameproof trackless rubber-tyred vehicle so as to provide a high-voltage input signal for the mining flameproof trackless rubber-tyred vehicle; the low voltage output circuit is connected with the vehicle-mounted low voltage equipment to provide a low voltage input signal for the vehicle-mounted low voltage equipment.
Further, the battery pack circuit comprises a battery pack consisting of a plurality of lithium ion storage batteries, a first switch, a fuse and a shunt; one side of the first switch is connected with the positive electrode end of the battery pack, and the other side of the first switch is connected with the fuse; the other side of the fuse is connected with a high-voltage output circuit; one side of the shunt is connected with the negative electrode end of the battery pack, and the other side of the shunt is connected with the low-voltage output circuit.
Further, the high-voltage output circuit comprises a first relay, a first resistor, a second relay and a third relay; the first relay is respectively connected with a fuse and a power supply control box for the mining flameproof trackless rubber-tyred vehicle; the series circuit formed by the first resistor and the second relay is connected with the first relay in parallel; the third relay is respectively connected with a shunt and a power supply control box for the mining flameproof trackless rubber-tyred vehicle.
Further, the low-voltage output circuit comprises a switching power supply module, an anti-reflection diode, a control button and a fourth relay; one side of the switching power supply module is respectively connected with the fuse and the shunt, and the other side of the switching power supply module is connected with the anti-reflection diode; the other side of the anti-reflection diode is connected with a control button; the other side of the control button is connected with a fourth relay.
The utility model has the beneficial effects that:
the power supply system can be used for carrying out line transformation on the basis of the original system, so that the number of electric components is reduced, the weight of a vehicle is reduced, the fault that standby power is easy to lose power is avoided, and the cost of the vehicle and the complexity of the system are reduced through the function integration design.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
FIG. 1 is a schematic design of a corresponding power supply of the present utility model;
FIG. 2 is a circuit diagram of a corresponding embodiment of the present utility model;
fig. 3 is a circuit design diagram of a mining flameproof lithium ion battery power supply according to a corresponding embodiment of the present utility model;
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application. Both the first element and the second element are elements, but they are not the same element.
The utility model belongs to the field of mining explosion-proof trackless rubber-tyred vehicle equipment, and provides a mining explosion-proof trackless rubber-tyred vehicle power supply system, which aims to provide a power supply system capable of reducing vehicle cost and system complexity through function integration and line transformation, and is characterized by comprising the following components: a power supply control box for a mining flameproof lithium ion storage battery power supply, a mining flameproof trackless rubber-tyred vehicle and a mining flameproof power supply converter; the mining flameproof lithium ion battery power supply is used for providing a power source for the whole vehicle, is used as a high-voltage input side, is connected with a power supply control box for the mining flameproof trackless rubber-tyred vehicle to provide a high-voltage input signal for the mining flameproof lithium ion battery power supply, and is used as a low-voltage input side, and is connected with vehicle-mounted low-voltage equipment to provide a low-voltage input signal for the vehicle-mounted low-voltage equipment; the power supply control box for the mining flameproof trackless rubber-tyred vehicle is respectively connected with the mining flameproof power supply converter and the vehicle-mounted high-voltage equipment so as to respectively provide high-voltage input signals; the mining flameproof power converter is connected with vehicle-mounted low-voltage equipment to provide low-voltage input signals for the mining flameproof power converter.
As a preferred embodiment, the power supply control box for the mining flameproof trackless rubber-tyred vehicle adopts a direct current power supply control box for the mining flameproof trackless rubber-tyred vehicle; the mining flameproof power supply converter adopts a mining flameproof direct current power supply converter; the mining flameproof lithium ion battery power supply is used as a whole vehicle power source and a high-low voltage input end, and a mining flameproof trackless rubber-tyred vehicle power supply control box is used for providing a high-voltage input signal for a mining flameproof direct current power supply converter, and can output a low-voltage power supply signal at the same time so as to meet the power supply requirement of relevant vehicle-mounted low-voltage equipment when the vehicle is started; the direct current power supply control box for the mining flameproof trackless rubber-tyred vehicle is used as a plurality of lithium ion animal batteries to be input in series or in parallel, and outputs high-voltage signals to vehicle-mounted high-voltage equipment, such as a motor controller and the like, and is mainly used as a junction box to supply power for the vehicle-mounted high-voltage equipment comprising a mining flameproof direct current power supply converter and the like; meanwhile, the mining flameproof direct current power supply converter can also convert the high voltage of the output signal of the lithium ion storage battery into a low voltage signal to supply power for vehicle-mounted low voltage equipment.
As a more preferable embodiment, the mining flameproof device provided by the utility model is a device which accords with the coal mine safety regulation in the industry and can be used in an environment with gas and coal dust in a coal mine.
As a preferred embodiment, as shown in fig. 3, the mining flameproof lithium ion storage battery power supply comprises a battery pack circuit, a high-voltage output circuit and a low-voltage output circuit; the battery pack circuit is respectively connected with the high-voltage output circuit and the low-voltage output circuit; the high-voltage output circuit is connected with a power supply control box for the mining flameproof trackless rubber-tyred vehicle so as to provide a high-voltage input signal for the mining flameproof trackless rubber-tyred vehicle; the low voltage output circuit is connected with the vehicle-mounted low voltage equipment to provide a low voltage input signal for the vehicle-mounted low voltage equipment. The mining flameproof lithium ion battery power supply is provided with the low-voltage output circuit, so that the mining flameproof lithium ion battery power supply is used as a power supply low-voltage normally-charged circuit, the circuit on-off control can be performed by arranging a switch circuit outside a power supply box, the mining flameproof lithium ion battery power supply has an external output function when being used for supplying power to internal BMS components, can be used as a starting power supply for supplying power to low-voltage equipment of a vehicle when the vehicle is started, and is used for high-voltage starting of the whole vehicle.
As a more preferred embodiment, the battery pack circuit includes a battery pack composed of a plurality of lithium ion secondary batteries, a first switch S1 as an inspection switch, a fuse FU1, and a shunt RW1; one side of the first switch S1 is connected with the positive electrode end of the battery pack, and the other side of the first switch S1 is connected with the fuse FU1; the other side of the fuse FU1 is connected with a high-voltage output circuit; one side of the current divider RW1 is connected with the negative electrode end of the battery pack, and the other side of the current divider RW1 is connected with a low-voltage output circuit; the fuse FU1 is connected in series in the protected circuit, when the circuit works normally, the fuse body allows the given value current to pass through without fusing, and when the circuit is short-circuited or severely overloaded, the fuse body fuses to cut off the circuit and is used as a circuit protection device; the current divider RW1 is used for detecting the charge-discharge current.
As a more preferable embodiment, the high-voltage output circuit includes a first relay K1, a first resistor R1, a second relay K2, and a third relay K3; the first relay K1 is respectively connected with the fuse RU1 and a power supply control box for the mining flameproof trackless rubber-tyred vehicle; a series circuit formed by the first resistor R1 and the second relay K2 is connected with the first relay K1 in parallel; the third relay K3 is respectively connected with a shunt RW1 and a power control box for the mining flameproof trackless rubber-tyred vehicle. The first relay K1 is a discharging relay, the second relay K2 is a pre-charging relay, the third relay K3 is a negative relay, and the first resistor R1 is a current limiting resistor.
As a more preferable embodiment, the low voltage output circuit includes a switching power supply module, an anti-reflection diode, a control button S2, and a fourth relay K4; one side of the switching power supply module is respectively connected with the fuse RU1 and the shunt RW1, and the other side of the switching power supply module is connected with the anti-reflection diode; the other side of the anti-reflection diode is connected with a control button S2; the other side of the control button S2 is connected with a fourth relay K4. The fourth relay K4 is a low-voltage output relay device.
When the utility model is applied to the mining explosion-proof trackless rubber-tyred vehicle, the situation that the standby power supply cannot be charged in time due to short starting time or power converter faults and the like in the use process can be effectively avoided, the defect that the vehicle cannot be started due to long-time use is overcome, the original system is slightly modified, the complexity of a system circuit is reduced, the cost of the vehicle is reduced, and generally, the lithium ion battery power supply used by the traditional mining explosion-proof trackless rubber-tyred vehicle has high-voltage output control and protection functions (the inside of the lithium ion battery power supply is composed of a high-voltage relay, a fuse, a pre-charging loop and the like) according to relevant regulations; meanwhile, the power supply control box of the mining explosion-proof trackless rubber-tyred vehicle is used as a high-voltage output control and protection component, and a high-voltage relay, a fuse, a pre-charging loop and the like are also arranged in the power supply control box, so that the problem of repeated design exists.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (6)
1. An explosion-proof trackless rubber-tyred car electrical power generating system for mining, characterized in that the system includes: a power supply control box for a mining flameproof lithium ion storage battery power supply, a mining flameproof trackless rubber-tyred vehicle and a mining flameproof power supply converter; the mining flameproof lithium ion battery power supply is used as a high-voltage input side and connected with a power supply control box for the mining flameproof trackless rubber-tyred vehicle to provide a high-voltage input signal for the mining flameproof trackless rubber-tyred vehicle, and meanwhile, the mining flameproof lithium ion battery power supply is used as a low-voltage input side and connected with vehicle-mounted low-voltage equipment to provide a low-voltage input signal for the vehicle-mounted low-voltage equipment; the power supply control box for the mining flameproof trackless rubber-tyred vehicle is respectively connected with the mining flameproof power supply converter and the vehicle-mounted high-voltage equipment so as to respectively provide high-voltage input signals; the mining flameproof power converter is connected with vehicle-mounted low-voltage equipment to provide low-voltage input signals for the mining flameproof power converter.
2. The mining explosion-proof trackless rubber-tyred vehicle power supply system according to claim 1, wherein,
the mining flameproof lithium ion storage battery power supply comprises a battery pack circuit, a high-voltage output circuit and a low-voltage output circuit; the battery pack circuit is respectively connected with the high-voltage output circuit and the low-voltage output circuit; the high-voltage output circuit is connected with a power supply control box for the mining flameproof trackless rubber-tyred vehicle so as to provide a high-voltage input signal for the mining flameproof trackless rubber-tyred vehicle; the low voltage output circuit is connected with the vehicle-mounted low voltage equipment to provide a low voltage input signal for the vehicle-mounted low voltage equipment.
3. A mining explosion-proof trackless rubber-tyred vehicle power supply system according to claim 2, wherein,
the battery pack circuit comprises a battery pack consisting of a plurality of lithium ion storage batteries, a first switch, a fuse and a shunt; one side of the first switch is connected with the positive electrode end of the battery pack, and the other side of the first switch is connected with the fuse; the other side of the fuse is connected with a high-voltage output circuit; one side of the shunt is connected with the negative electrode end of the battery pack, and the other side of the shunt is connected with the low-voltage output circuit.
4. A mining explosion-proof trackless rubber-tyred vehicle power supply system according to claim 3, wherein,
the high-voltage output circuit comprises a first relay, a first resistor, a second relay and a third relay; the first relay is respectively connected with a fuse and a power supply control box for the mining flameproof trackless rubber-tyred vehicle; the series circuit formed by the first resistor and the second relay is connected with the first relay in parallel; the third relay is respectively connected with a shunt and a power supply control box for the mining flameproof trackless rubber-tyred vehicle.
5. A mining explosion-proof trackless rubber-tyred vehicle power supply system according to claim 3, wherein the low voltage output circuit includes a switching power supply module, an anti-reflection diode, a control button and a fourth relay; one side of the switching power supply module is respectively connected with the fuse and the shunt, and the other side of the switching power supply module is connected with the anti-reflection diode; the other side of the anti-reflection diode is connected with a control button; the other side of the control button is connected with a fourth relay.
6. The mining explosion-proof trackless rubber-tyred vehicle power supply system according to claim 1, wherein,
the power supply control box for the mining flameproof trackless rubber-tyred vehicle adopts a direct current power supply control box for the mining flameproof trackless rubber-tyred vehicle; the mining flameproof power supply converter adopts a mining flameproof direct current power supply converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223384607.3U CN219055993U (en) | 2022-12-16 | 2022-12-16 | Mining explosion-proof trackless rubber-tyred car electrical power generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223384607.3U CN219055993U (en) | 2022-12-16 | 2022-12-16 | Mining explosion-proof trackless rubber-tyred car electrical power generating system |
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| CN219055993U true CN219055993U (en) | 2023-05-23 |
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| CN202223384607.3U Active CN219055993U (en) | 2022-12-16 | 2022-12-16 | Mining explosion-proof trackless rubber-tyred car electrical power generating system |
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