CN116865408A - Crane jib head self-excitation power supply system and power supply method - Google Patents
Crane jib head self-excitation power supply system and power supply method Download PDFInfo
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- CN116865408A CN116865408A CN202310814693.7A CN202310814693A CN116865408A CN 116865408 A CN116865408 A CN 116865408A CN 202310814693 A CN202310814693 A CN 202310814693A CN 116865408 A CN116865408 A CN 116865408A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010248 power generation Methods 0.000 claims abstract description 59
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 14
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a crane jib head self-excitation power supply system and a power supply method, wherein the power supply system comprises: the power generation device is arranged on the crane jib head and is used for generating an electric energy signal; the energy collection module is connected with the power generation device, and is used for processing and storing electric energy signals generated by the power generation device, conveying the electric energy signals to the battery pack for charging, and supplying power for the arm head working device arranged on the crane arm head through the battery pack; the energy collection module is also connected with the arm head working device and directly supplies power to the arm head working device, so that energy sources can be provided for the crane arm head working device, and battery packs of the arm head energy storage device can be charged; the energy is collected during crane operation, and the energy source is supplemented by the battery pack during standby or low-altitude operation, so that the energy consumption of the battery pack can be greatly reduced, and the battery pack can be supplemented with energy.
Description
Technical Field
The invention relates to a crane jib head self-excitation power supply system and a crane jib head self-excitation power supply method, and belongs to the technical field of cranes.
Background
As the crane belongs to high-altitude operation machinery, the working height of the full boom is generally more than 50 meters, and for super-tonnage cranes, the working height is more than 150 meters, in order to ensure that the crane can work safely, devices such as warning lamps, anemometers, height limiting devices and the like are required to be arranged at the top end of the boom of the crane according to legal and regulatory requirements, and are important safety guarantee for the crane. The warning lamp is used for warning other high-altitude operations or flying equipment, ensuring work safety, the anemometer is used for monitoring wind speed in real time, ensuring crane work safety, the height limit is used as a safety protection device for the crane to prevent the lifting hook from ascending and bumping into the arm head, signals of the safety protection device must be transmitted to the whole vehicle control system in real time, and the control system controls action stop and start according to feedback signals, so that the whole vehicle safety is protected.
The crane arm head working device (anemometer, warning light and height limit sensor) transmits signals to the crane control box in a wired or wireless transmission mode, the two transmission modes have different defects, the wired transmission has long transmission distance, the size of parts is large, the cost is high, the signals are attenuated, and the cable is broken due to winding of the cable and environmental objects. At present, part crane manufacturers increase wireless transmission devices on arm heads and transmit arm head working device signals by utilizing wireless transmission, but the wireless transmission has the problems that the arm heads are difficult to supply power, are charged frequently and cannot work for a long time. The current part of international market demands that a wireless arm head transmission device must be used, and the battery power supply problem of the wireless transmission device brings very troublesome problems to the operation and the use of users, so that operators complain, and the product competitiveness of the crane is reduced.
As shown in fig. 1, the current wireless transmission scheme adopts a high-capacity lithium battery pack to provide power for an arm head working device and a wireless transmitting device, when the current crane works, the arm head warning lamp, the anemometer, the height limit, the inclination angle sensor, the wireless transmitting device and other devices are in a working state, all the required energy is provided by the battery pack, along with the increase of the extension length of the extension arm, the wireless transmitting power is increased along with the increase of the extension arm, in order to ensure that the crane extends the arm head wireless device to work for a long time, the high-capacity battery pack must be provided for the arm head wireless device, because all the arm head working devices are electric equipment, only the battery pack is used as the energy sole source, the crane is used as industrial field working equipment, long-time uninterrupted work is often required, the battery pack is required to provide the energy required by the arm head working device for a long time, the high-capacity battery pack is provided, and the lithium battery pack is charged after a period of work. However, the space arrangement of the crane arm head is limited, and the characteristics of the battery pack such as water resistance, high temperature release, collision protection and the like limit the battery pack of the arm head to be too large, and the long-time work of the crane arm head wireless device and the capacity of the battery pack can not be infinitely expanded are important problems of the current arm head wireless system.
The patent CN 112952935B utilizes a telescopic boom installed on a crane, the telescopic boom of the crane comprises a basic boom, a boom head and a movable boom, at least the basic boom and the boom head are provided with charging connectors, and the charging connectors on the basic boom and the boom head are respectively suitable for being electrically connected with a power supply and a wireless communication device; when the telescopic boom of the crane is in a retracted state, all charging connectors are sequentially in contact with electric shock connection to realize that a power supply charges the wireless communication device, when the telescopic boom of the crane is in an extended state, at least two charging connectors are separated from each other, the boom can charge a battery pack when retracted in the mode, but when the working device of the boom head works, the working device of the boom head cannot be supplemented with energy, on the other hand, safety protection is difficult, the connection reliability is low, and safety accidents easily occur once the short circuit occurs.
In summary, the above prior art has the following drawbacks:
1. the battery capacity is limited and the long-time working requirement of the crane cannot be provided.
2. The space of the arm head of the arm extending of the crane is limited, and the capacity increasing requirement of the battery pack cannot be met
3. Because of the technical requirements of water resistance, high temperature resistance and collision resistance of the high-capacity battery pack, great difficulty is provided for battery pack protection.
4. Frequent lithium battery charging brings great inconvenience to crane use.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a crane jib head self-excitation power supply system and a power supply method, which can not only provide energy sources for a crane jib head working device, but also charge a jib head energy storage device battery pack. The energy is collected during crane operation, and the energy source is supplemented by the battery pack during standby or low-altitude operation, so that the energy consumption of the battery pack can be greatly reduced, and the battery pack can be supplemented with energy. Under the condition that the arm head working device meets long-time working conditions, the requirement on the capacity of the battery pack can be greatly reduced, the requirement on long-time working can be met by using a small-capacity battery pack, and the battery pack can be charged due to energy generated by power generation, so that the problem of frequent charging is solved. Because the capacity of the battery pack is reduced, the space size of the battery pack is also reduced, a better design mode is provided for the space arrangement of the arm head, and the design difficulty is reduced.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the invention provides a crane jib head self-excitation power supply system comprising:
the power generation device is arranged on the crane jib head and is used for generating an electric energy signal;
the energy collection module is connected with the power generation device, and is used for processing and storing electric energy signals generated by the power generation device, conveying the electric energy signals to the battery pack for charging, and supplying power for the arm head working device arranged on the crane arm head through the battery pack; the energy collection module is also connected with the arm head working device and directly supplies power for the arm head working device.
Further, a signal processing module is arranged in the energy collecting module and is used for carrying out direct-current conversion, filtering treatment and reverse-preventing and electricity-preventing treatment on the fluctuation electric energy signal generated by the power generation device.
Further, a voltage stabilizing module is arranged in the energy collecting module and is used for converting the electric energy signal processed by the signal processing module into stable voltage for output.
Further, a battery charging module is arranged in the energy collecting module and is used for conveying the electric energy signals processed by the voltage stabilizing module to the battery pack for charging, and the battery pack is used for supplying power for the arm head working device arranged on the crane arm head.
Further, an energy management module is arranged in the energy collection module and is used for uniformly managing signals transmitted by the battery charging module and supplying power to the battery pack.
Furthermore, the power generation device is an anemometer sensor, and a generator is arranged in the anemometer sensor.
Further, a solar panel is arranged on the crane arm head to generate electricity, and an electric energy signal after the electricity generation is transmitted to an energy collection module.
Furthermore, a piezoelectric generator is arranged on the crane boom head to generate electricity, and an electric energy signal after the electricity generation is transmitted to an energy collection module.
In a second aspect, the present invention provides a power supply method of an crane jib head self-excitation power supply system, which is applicable to any one of the crane jib head self-excitation power supply systems, and the power supply method comprises:
when the energy generated by the power generation device can meet the electric energy requirement of the arm head working device, the electric energy generated by the power generation device supplies power to the arm head wireless device on one hand, and the redundant energy is charged to the battery pack on the other hand, so that the battery pack is in an electric energy input state, the energy cannot be consumed, and the electric energy generated by the power generation device can be used for continuously supplementing the energy;
when the electric energy signal generated by the power generation device is insufficient to meet the power supply energy requirement of the arm head working device, the output voltage of the battery charging module is pulled down, the power supply mode is switched to the battery pack for supplying power, the battery pack is in an energy dissipation working state, the power generation device is in a state that energy cannot be accumulated and increased, once the accumulated energy of the power generation device reaches the requirement, power generation is started, and the power generation device can be used for providing energy for the arm head working device and the battery pack again.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a crane jib head self-excitation power supply system and a power supply method, which can not only provide energy sources for a crane jib head working device, but also charge a jib head energy storage device battery pack. The energy is collected during crane operation, and the energy source is supplemented by the battery pack during standby or low-altitude operation, so that the energy consumption of the battery pack can be greatly reduced, and the battery pack can be supplemented with energy. Under the condition that the arm head working device meets long-time working conditions, the requirement on the capacity of the battery pack can be greatly reduced, the requirement on long-time working can be met by using a small-capacity battery pack, and the battery pack can be charged due to energy generated by power generation, so that the problem of frequent charging is solved. Because the capacity of the battery pack is reduced, the space size of the battery pack is also reduced, a better design mode is provided for the space arrangement of the arm head, and the design difficulty is reduced.
Drawings
Fig. 1 is a schematic diagram of a conventional wireless transmission scheme provided in the background of the invention;
FIG. 2 is a diagram of a self-excited power supply framework provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of a self-excited power supply technique provided by an embodiment of the present invention;
FIG. 4 is a state of charge transition diagram provided by an embodiment of the present invention;
FIG. 5 is a schematic diagram of the overall spatial arrangement and working principle provided by the embodiment of the invention;
fig. 6 is a layout of the arm head element provided by the embodiment of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
As shown in fig. 2 and 3, this embodiment introduces a crane jib head self-excitation power supply system, according to the crane jib length, high-altitude operation, long-time outdoor parking characteristics, fully utilize the anemograph sensor installed at the jib head, solar energy and other equipment that can generate electricity certainly to produce energy source, then energy collection module will produce energy collection, signal change module output stable voltage again, produce voltage input for battery pack charging module for battery pack charging supplement battery pack energy, and simultaneously provide the power for the next stage power module for the jib head working device with the stable voltage of output, specific scheme is as follows:
the crane arm head is provided with one or more power generation devices such as an anemometer with a power generation function, a solar power generation plate, piezoelectric power generation and the like. Taking an anemometer as an example, when the crane is in hoisting operation, the crane boom stretches out to a certain height, the anemometer cup is rotated under the action of high altitude wind force due to the fact that the anemometer positioned at the boom head is in a high altitude state, the anemometer transmission shaft drives the anemometer internal generator to rotate, so that the generator rotates to generate electric energy signals, and the electric energy signals can provide considerable electric energy for the boom head device due to the fact that the high altitude wind speed is far greater than the ground wind speed and the height of the crane boom is increased. If solar energy or piezoelectric power generation is installed at the same time, an electric energy signal can be generated to provide energy for the wireless arm head, and the solar energy can provide static power consumption for the arm head wireless device under a non-working condition.
The wind speed of the anemometer has a direct relationship with wind power, because the wind power in the nature is influenced by factors such as different weather, different heights and the like, the rotation speed of the anemometer is changed greatly, the voltage generated by power generation equipment in the anemometer is larger, the voltage cannot be directly used for charging a battery pack or supplying power to a working device, the voltage can be used after the voltage is processed and changed, the voltage signal generated by the anemometer generator is firstly input to an energy collecting module, the energy collecting module comprises a signal processing module, a voltage stabilizing module, a charging module and the like, the signal processing module firstly carries out direct current conversion, filtering processing, reverse-preventing and the like on a fluctuation electric energy signal generated by power generation, the filtered electric signal still has fluctuation change and cannot be directly used, the change signal is also required to be input to a voltage stabilizing module, the voltage stabilizing module converts the changed voltage signal into stable voltage output, and the stable voltage is processed and output through the battery charging module to charge the electric energy signal capable of charging the battery pack. The battery charging module outputs an electric energy signal, and then the electric energy signal is transmitted to the energy management module, and the energy management module uniformly manages electric energy generated by power generation and power supply of the battery pack, so that a power supply mode of the arm head wireless device is determined.
As shown in fig. 4, the electric energy generated by the battery charging module supplies power to the arm head working device and charges the battery pack, when the energy generated by the power generation device can meet the electric energy requirement of the arm head working device, the electric energy generated by the power generation device supplies power to the arm head wireless device on one hand, and redundant energy is supplied to the battery pack for charging, and the battery pack is in an electric energy input state at the moment, so that the energy cannot be consumed, and the electric energy generated by the power generation device can be used for continuously supplementing the energy; when the power signal generated by power generation is insufficient to meet the power supply energy requirement of the arm head working device, the output voltage of the battery charging module is pulled down, the power supply mode is switched to the battery pack for power supply, the battery pack is in a working state with energy loss, the power generation device is in a state that energy cannot be accumulated and increased, once the accumulated energy of the power generation device reaches the requirement, power generation is started, and the power generation device can be used for providing energy for the arm head working device and the battery pack again.
As shown in fig. 5, in the whole space arrangement of the crane arm head self-excitation power supply system provided in this embodiment, an arm head self-generating device is added to the arm head, the self-generating device is in parallel connection with the battery pack, and the receiving device is located in the vehicle.
As shown in fig. 6, an arm head component layout is provided in which the battery, energy harvesting module and wireless transmitting module may be housed separately or integrated into a single box; the illustrated wireless receiver position is merely representative and is not limited to the illustrated position, and may be placed in other positions such as a control room.
Wherein: the power generation device is added with other self-power generation modes such as solar energy, piezoelectricity and the like, and can also be replaced by other self-power generation equipment.
2. The energy harvesting and energy management may be implemented by several modules that may be separated from the internal functions.
3. The voltage stabilizing module in the energy collection can also be omitted and directly enter the charging module.
4. The energy management section may be implemented in hardware or in software.
The technical scheme of the embodiment has the following beneficial effects:
1. because of the addition of the arm head wireless power generation system, the capacity requirement on the battery pack is reduced, and the volume and the weight of the battery pack are greatly reduced.
2. The problem of frequent charging is solved, particularly when in a working state, the self-generating system is not only used for supplementing energy, so that the energy consumption of the battery pack is reduced, but also the battery pack can be charged, and the charging times are greatly reduced
3. The capacity of the battery pack is reduced, the space size of the battery pack is also reduced, and the space arrangement of the arm head is convenient
4. The battery pack has reduced capacity, improved safety, and improved reliability.
5. The battery pack is easier to realize protection such as water resistance, vibration resistance and the like, and meets the safety design requirement.
Example 2
The embodiment provides a power supply method of a crane jib head self-excitation power supply system, which is applicable to the crane jib head self-excitation power supply system of any one of embodiment 1, and the power supply method comprises the following steps:
when the energy generated by the power generation device can meet the electric energy requirement of the arm head working device, the electric energy generated by the power generation device supplies power to the arm head wireless device on one hand, and the redundant energy is charged to the battery pack on the other hand, so that the battery pack is in an electric energy input state, the energy cannot be consumed, and the electric energy generated by the power generation device can be used for continuously supplementing the energy;
when the electric energy signal generated by the power generation device is insufficient to meet the power supply energy requirement of the arm head working device, the output voltage of the battery charging module is pulled down, the power supply mode is switched to the battery pack for supplying power, the battery pack is in an energy dissipation working state, the power generation device is in a state that energy cannot be accumulated and increased, once the accumulated energy of the power generation device reaches the requirement, power generation is started, and the power generation device can be used for providing energy for the arm head working device and the battery pack again.
Wherein abbreviations and key terms are defined as follows:
and (3) a crane: multi-action hoisting machinery, also called a crane, for vertically lifting and horizontally carrying weights within a certain range. And (3) crane loading: the above parts of the slewing bearing of the crane mainly comprise: turntable, amplitude-variable oil cylinder, arm support system, balance weight, winch, lifting hook, control room, etc. Crane chassis: the slewing bearing of the crane mainly comprises the following parts: a frame, a leg system, a travel system, a cab, etc.
Boom arm: the telescopic arm for hoisting on the crane generally consists of 3-8 sections of arms, and the sections of arms can relatively move and stretch to reach a certain height.
Arm head: the top end part of the telescopic boom of the crane, which is generally the outermost knuckle arm of the crane, comprises a pulley block, a steel wire rope,
Warning lamp, height limiting, anemometer, junction box and other parts
The anemometer is a sensor capable of measuring the speed of wind, and comprises a wind cup, a transmission shaft, a signal processing module, a signal output interface, a heavy hammer and the like.
Height limiting: a limit protection switch is used for preventing a lifting hook from being crashed into an arm head in the lifting process, and comprises a limit switch, a heavy hammer and the like.
Arm head battery: the lithium battery pack for providing power for the arm-head wireless system has a rechargeable property.
A wireless transmitter: a wireless data transmission device can send signals such as wind speed, limit and the like of an arm head to a receiver
A wireless receiver: a device for receiving wireless signals can receive wind speed and limit signals transmitted by a wireless transmitter, convert the limit signals into bus signals and transmit the bus signals to a control system.
Arm head working device: is a group of electric equipment which comprises warning lamps, height limit, anemometers, inclination sensors and wireless transmitters.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (9)
1. A crane jib head self-exciting power supply system, comprising:
the power generation device is arranged on the crane jib head and is used for generating an electric energy signal;
the energy collection module is connected with the power generation device, and is used for processing and storing electric energy signals generated by the power generation device, conveying the electric energy signals to the battery pack for charging, and supplying power for the arm head working device arranged on the crane arm head through the battery pack; the energy collection module is also connected with the arm head working device and directly supplies power for the arm head working device.
2. The crane jib head self-excitation power supply system according to claim 1, wherein the energy collection module is provided with a signal processing module, and the signal processing module is used for performing direct current conversion, filtering processing and reverse-prevention and electricity-prevention processing on a fluctuation electric energy signal generated by the power generation device.
3. The crane jib head self-excitation power supply system according to claim 2, wherein a voltage stabilizing module is arranged in the energy collecting module and is used for converting the electric energy signal processed by the signal processing module into stable voltage output.
4. A crane jib head self-excitation power supply system according to claim 3, wherein the energy collection module is provided with a battery charging module, and the battery charging module is used for transmitting the electric energy signal processed by the voltage stabilizing module to the battery pack for charging, and supplying power to a jib head working device arranged on the crane jib head through the battery pack.
5. The crane jib head self-excitation power supply system according to claim 4, wherein the energy collection module is provided with an energy management module, and the energy management module is used for uniformly managing signals transmitted by the battery charging module and supplying power to the battery pack.
6. The crane jib head self-excitation power supply system according to claim 1, wherein the power generation device is an anemometer sensor, and a generator is arranged in the anemometer sensor.
7. The crane jib head self-excitation power supply system according to claim 1, wherein a solar panel is arranged on the crane jib head to generate electricity, and an electricity signal after the electricity generation is transmitted to an energy collection module.
8. The crane jib head self-excitation power supply system according to claim 1, wherein a piezoelectric generator is arranged on the crane jib head to generate electricity, and the generated electric energy signal is transmitted to an energy collection module.
9. A method of supplying power to a crane jib head self-exciting power supply system according to any one of claims 1-8, said method comprising:
when the energy generated by the power generation device can meet the electric energy requirement of the arm head working device, the electric energy generated by the power generation device supplies power to the arm head wireless device on one hand, and the redundant energy is charged to the battery pack on the other hand, so that the battery pack is in an electric energy input state, the energy cannot be consumed, and the electric energy generated by the power generation device can be used for continuously supplementing the energy;
when the electric energy signal generated by the power generation device is insufficient to meet the power supply energy requirement of the arm head working device, the output voltage of the battery charging module is pulled down, the power supply mode is switched to the battery pack for supplying power, the battery pack is in an energy dissipation working state, the power generation device is in a state that energy cannot be accumulated and increased, once the accumulated energy of the power generation device reaches the requirement, power generation is started, and the power generation device can be used for providing energy for the arm head working device and the battery pack again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310814693.7A CN116865408A (en) | 2023-07-03 | 2023-07-03 | Crane jib head self-excitation power supply system and power supply method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310814693.7A CN116865408A (en) | 2023-07-03 | 2023-07-03 | Crane jib head self-excitation power supply system and power supply method |
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| Publication Number | Publication Date |
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| CN116865408A true CN116865408A (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310814693.7A Pending CN116865408A (en) | 2023-07-03 | 2023-07-03 | Crane jib head self-excitation power supply system and power supply method |
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2023
- 2023-07-03 CN CN202310814693.7A patent/CN116865408A/en active Pending
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