CN218619972U - Electric automobile crane - Google Patents
Electric automobile crane Download PDFInfo
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- CN218619972U CN218619972U CN202222627541.XU CN202222627541U CN218619972U CN 218619972 U CN218619972 U CN 218619972U CN 202222627541 U CN202222627541 U CN 202222627541U CN 218619972 U CN218619972 U CN 218619972U
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- automobile crane
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- 238000000034 method Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The application discloses electric automobile hoist. This electric automobile hoist includes: the combined power supply is connected with a bus of the electric automobile crane and used for providing electric energy for the electric automobile crane; the power distribution unit is arranged on the bus and used for distributing power, and comprises a first switch and a second switch; the upper vehicle high-voltage system is connected with the electric energy distribution unit and used for driving the electric automobile crane to carry out loading operation under the condition that the first switch is closed; and the brake resistor is connected with the power distribution unit and is used for consuming redundant power on the bus under the condition that the second switch is closed. This application can simplify electric automobile crane's structure through setting up electric energy distribution unit. In addition, when the chassis of the electric automobile crane runs, the first switch is switched off, so that the electric energy released by the power battery in the combined power supply is prevented from flowing to a device which does not participate in the working process, and the energy consumption is reduced.
Description
Technical Field
The application relates to the technical field of electric automobile cranes, in particular to an electric automobile crane.
Background
Due to environmental pollution and gradual shortage of traditional energy sources, electric automobiles become the focus of attention of automobile industries of various countries, and the electric automobiles bring great impact to the automobile crane industry. The automobile crane works in every corner of a city due to the characteristics of the automobile crane. Therefore, electric driving and electric driving also become a very promising trend in the automobile crane. The engine-driven or hybrid-driven automobile crane uses the engine as a power source, so that the working efficiency of the engine is improved as much as possible, but the problems of pollutant emission, high noise and incapability of exerting engine power under partial working conditions caused by the engine cannot be avoided. In the prior art, a power battery is used as a power source, and electric energy is stored through a super capacitor, so that the problems of pollutant emission, high noise and incapability of exerting engine power under partial working conditions caused by an engine are solved. However, in the prior art, in the working process of the electric automobile crane, the electric energy released by the power battery flows to the device which does not participate in the working process of the electric automobile crane, so that the waste of the electric energy is caused. In addition, in the prior art, the purpose of distributing electric energy needs to be achieved by arranging a plurality of devices, for example, a cut-off diode, a brake and the like, and the structure is complex. Therefore, the prior art has the problems of excessive energy consumption and complex structure.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application aims to provide an electric automobile crane, which is used for solving the problems of overlarge energy consumption and complex structure in the prior art.
In order to achieve the above object, a first aspect of the present application provides an electric automobile crane, including:
the combined power supply is connected with a bus of the electric automobile crane and used for providing electric energy for the electric automobile crane;
the power distribution unit is arranged on the bus and used for distributing power, and comprises a first switch and a second switch;
the upper vehicle high-voltage system is connected with the electric energy distribution unit and used for driving the electric automobile crane to carry out loading operation under the condition that the first switch is closed;
and the brake resistor is connected with the power distribution unit and used for consuming redundant power on the bus under the condition that the second switch is closed.
In an embodiment of the present application, a combined power supply includes:
the charging device is connected with the bus and used for charging the electric automobile crane;
the power battery is connected with the bus and used for providing electric energy for the operation process of the electric automobile crane;
and the super capacitor is connected with the direct current-direct current converter for the super capacitor and used for storing electric energy.
In the embodiment of the application, the super capacitor is connected with the bus through the dc-dc converter, and is used for attracting electric energy from the bus, and storing the electric energy into the super capacitor after reducing the voltage, or releasing the electric energy of the super capacitor to the bus after increasing the voltage.
In an embodiment of the present application, a charging device includes:
and the alternating current charger is connected with the bus and is used for charging the electric automobile crane and/or providing electric energy for the loading operation process of the electric automobile crane.
And the direct-current charging gun seat is connected with the bus and used for charging the electric automobile crane under the condition that the electric automobile crane stops operating.
In the embodiment of the application, the getting-on high-voltage system comprises:
the main hoisting module comprises a main hoisting motor controller and a main hoisting motor, the main hoisting motor controller is respectively connected with the electric energy distribution unit and the main hoisting motor, and the main hoisting module is used for driving the hoisting load of the electric automobile crane;
the auxiliary hoisting module comprises an auxiliary hoisting motor controller and an auxiliary hoisting motor, the auxiliary hoisting motor controller is respectively connected with the electric energy distribution unit and the auxiliary hoisting motor, and the auxiliary hoisting module is used for driving the hoisting load of the electric automobile crane;
the electric automobile crane comprises a rotary module, wherein the rotary module comprises a rotary motor controller and a rotary motor, the rotary motor controller is respectively connected with an electric energy distribution unit and the rotary motor, and the rotary module is used for driving the electric automobile crane to rotate.
In the embodiment of the application, the main hoisting motor is connected with the first winding drum, the auxiliary hoisting motor is connected with the second winding drum, the first winding drum and the second winding drum are respectively used for hoisting heavy objects, and the rated hoisting weight of the first winding drum is larger than that of the second winding drum.
In this application embodiment, electric automobile hoist still includes:
the chassis module comprises a chassis motor controller and a chassis motor, the chassis motor controller is respectively connected with the bus and the chassis motor, and the chassis module is used for providing power for the electric automobile crane.
In the embodiment of the application, the electric automobile crane further comprises other loads of the chassis, and the other loads of the chassis comprise:
the inflating pump motor is connected with the bus and used for generating air pressure;
the steering pump motor is connected with the bus and used for driving the electric automobile crane to steer;
and the direct current-direct current converter is connected with the bus and is used for converting the high-voltage electric energy into the low-voltage electric energy.
In this application embodiment, electric automobile hoist still includes:
and the control system is communicated with the combined power supply, the electric energy distribution unit, the boarding high-voltage system, the chassis module and other chassis loads and is used for controlling the combined power supply, the electric energy distribution unit, the boarding high-voltage system, the chassis module and other chassis loads.
In an embodiment of the present application, a control system includes:
a central control unit in communication with the combined power supply and other chassis loads for controlling the combined power supply and other chassis loads;
and the auxiliary control unit is communicated with the electric energy distribution unit, the getting-on high-voltage system and the chassis module and is used for controlling the electric energy distribution unit, the getting-on high-voltage system and the chassis module.
The electric automobile crane control system controls the electric energy distribution on the bus through the first switch and the second switch of the electric energy distribution unit, namely, the electric automobile crane is driven to carry out loading operation under the condition that the first switch is closed; under the condition that the second switch is closed, redundant electric energy on the bus is consumed, and the impact resistance of the combined power supply can be improved while the structure of the electric automobile crane is simplified. In addition, this application can be under the chassis operating mode of electric automobile hoist, through breaking off first switch to the electric energy flow direction of avoiding among the combined power source power battery release does not participate in the device of working process, thereby reduces the energy consumption.
Additional features and advantages of embodiments of the present application will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the embodiments of the disclosure, but are not intended to limit the embodiments of the disclosure. In the drawings:
fig. 1 schematically shows a structural diagram of an electric automobile crane according to an embodiment of the present application.
Description of the reference numerals
11. Rotary motor 12 rotary motor controller
13. Main hoist motor controller 14 main hoist motor
15. First reel 16 brake resistor
17. Electric energy distribution unit 18 pair hoist motor controller
19. Secondary winding drum of secondary winding motor 20
21. Central control unit 22 bus
23. Super capacitor of DC-DC converter 24 for super capacitor
25. Auxiliary control unit 26 power battery
27. Chassis motor controller 28 chassis motor
29. AC charger 30 DC charging gun seat
31. Inflating pump motor 32 steering pump motor
33. Other loads of chassis of DC-DC converter 34
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the specific embodiments described herein are only used for illustrating and explaining the embodiments of the present application and are not used for limiting the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present application, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Fig. 1 schematically shows a structural diagram of an electric automobile crane according to an embodiment of the present application. As shown in fig. 1, an embodiment of the present application provides an electric vehicle crane, which may include:
the combined power supply is connected with a bus 22 of the electric automobile crane and used for providing electric energy for the electric automobile crane;
the power distribution unit 17 is arranged on the bus 22 and used for distributing power, and the power distribution unit 17 comprises a first switch and a second switch;
the upper vehicle high-voltage system is connected with the electric energy distribution unit 17 and used for driving the electric automobile crane to carry out loading operation under the condition that the first switch is closed;
and a brake resistor 16 connected with the power distribution unit 17 and used for consuming redundant power on the bus 22 when the second switch is closed.
In the embodiment of the application, the combined power supply comprises a charging device, a power battery 26 and a super capacitor 24, the charging device and the power battery 26 are respectively connected with a bus 22 of the electric automobile crane, and the super capacitor 24 is connected with the bus 22 through a direct current-direct current converter 23 for the super capacitor. The combined power supply can be used for supplying electric energy for the operation process of the electric automobile crane. The power distribution unit 17 is disposed on the bus bar 22 and includes a first switch and a second switch. The distribution of the electric energy can be realized by controlling the on and off of the first switch and the second switch of the electric energy distribution unit 17. The electric energy is distributed through the electric energy distribution unit 17, and unnecessary waste of the electric energy can be reduced while the structure of the electric automobile crane is simplified.
The upper vehicle high-voltage system comprises a main hoisting module, an auxiliary hoisting module and a rotary module. The boarding high-voltage system is connected with the electric energy distribution unit 17. The first switch is controlled to be opened or closed according to the working mode of the electric automobile crane, so that the electric energy is controlled to flow to the upper automobile high-voltage system. In one example, when the electric vehicle crane is in the chassis running mode, the power battery 26 is discharged, and at this time, the first switch is turned off, so that the electric energy released by the power battery 26 is prevented from flowing to the upper vehicle high-voltage system, and the purpose of saving the electric energy is achieved. In another example, in the case of the electric vehicle crane for the loading operation, the first switch is closed, so that the loading high-voltage system can obtain electric energy from the bus bar, and the electric vehicle crane can be driven for the loading operation. The loading operation refers to the operation of moving heavy objects by the electric automobile crane. The brake resistor 16 is connected to the power distribution unit 17. By controlling the opening or closing of the second switch of the power distribution unit 17, the flow of power to the brake resistor 16 can be controlled to consume excess power on the bus 22, thereby protecting the combined power supply.
The electric vehicle crane control system controls the electric energy distribution on the bus through the first switch and the second switch of the electric energy distribution unit, namely, the electric vehicle crane is driven to carry out loading operation under the condition that the first switch is closed; under the condition that the second switch is closed, redundant electric energy on the bus is consumed, the structure of the electric automobile crane can be simplified, and meanwhile, the shock resistance of the combined power supply is improved. In addition, this application can be under electric automobile crane's chassis operating mode, through breaking first switch to the electric energy flow direction of avoiding among the combined power source power battery release does not participate in the device of working process, thereby reduces the energy consumption.
As shown in fig. 1, in the embodiment of the present application, the combined power supply may include:
the charging device is connected with the bus 22 and used for charging the electric automobile crane;
the power battery 26 is connected with the bus 22 and used for providing electric energy for the operation process of the electric automobile crane;
and a super capacitor 24 connected to the super capacitor dc-dc converter 23 for storing electric energy.
Specifically, the charging device includes an ac charger 29 and a dc charging gun rest 30. The alternating current charger 29 and the direct current charging gun seat 30 are respectively connected with the bus 22 and can release electric energy to the bus 22 so as to meet the power utilization requirement of the electric automobile crane. The ac charger 29 may be used to charge the electric vehicle crane and may provide electrical energy during the loading operation of the electric vehicle crane. The dc charging gun rest 30 charges the power battery 26 and the super capacitor 24 when the electric vehicle crane stops operating. The power battery 26 is connected with the bus 22 and used as a power source of the electric automobile crane for providing electric energy for the operation process of the electric automobile crane. The super capacitor 24 is connected to the super capacitor dc-dc converter 23 for storing electric energy. Through the charging device, the power battery 26 and the super capacitor 24, electric energy can be stored or supplied to the electric automobile crane.
As shown in fig. 1, in the embodiment of the present application, the dc-dc converter 23 for the super capacitor is connected to the bus 22, and is configured to draw the electric energy from the bus 22, and store the electric energy into the super capacitor 24 after stepping down the electric energy, or release the electric energy from the super capacitor 24 to the bus 22 after stepping up the electric energy.
Specifically, the supercapacitor dc-dc converter 23 is connected to the bus 22, and is capable of drawing electric energy from the bus 22, stepping down the electric energy and storing the electric energy in the supercapacitor 24, or stepping up the electric energy in the supercapacitor 24 and discharging the electric energy to the bus 22. The supercapacitor 24 can store electric energy and the supercapacitor 24 can discharge the electric energy to the bus 22 by the supercapacitor dc-dc converter 23.
As shown in fig. 1, in the embodiment of the present application, the charging device may include:
and the alternating current charger 29 is connected with the bus 22 and is used for charging the electric automobile crane and/or providing electric energy for the loading operation process of the electric automobile crane.
And the direct current charging gun seat 30 is connected with the bus 22 and used for charging the electric automobile crane under the condition that the electric automobile crane stops working.
Specifically, the ac charger 29 is connected to the bus bar 22. The ac charger 29 is externally connected with three-phase ac power for charging the electric vehicle crane. In addition, during the loading operation of the electric vehicle crane, the ac charger 29 may provide electric energy for the loading operation of the electric vehicle crane. The dc charging gun mount 30 is connected to the bus bar 22. Under the condition that the electric automobile crane stops working, the direct current charging gun seat 30 is externally connected with a charging pile, so that the power battery 26 and the super capacitor 24 are charged. The electric automobile crane can be supplied with electric energy through the alternating current charger 29 and the direct current charging gun seat 30.
As shown in fig. 1, in the embodiment of the present application, the getting-on high-voltage system may include:
the main hoisting module comprises a main hoisting motor controller 13 and a main hoisting motor 14, the main hoisting motor controller 13 is respectively connected with the electric energy distribution unit 17 and the main hoisting motor 14, and the main hoisting module is used for driving the hoisting load of the electric automobile crane;
the auxiliary hoisting module comprises an auxiliary hoisting motor controller 18 and an auxiliary hoisting motor 19, the auxiliary hoisting motor controller 18 is respectively connected with the electric energy distribution unit 17 and the auxiliary hoisting motor 19, and the auxiliary hoisting module is used for driving the hoisting of the electric automobile crane;
the rotating module comprises a rotating motor controller 12 and a rotating motor 11, the rotating motor controller 12 is respectively connected with the electric energy distribution unit 17 and the rotating motor 11, and the rotating module is used for driving the electric automobile crane to rotate.
Specifically, the main hoisting module comprises a main hoisting motor controller 13 and a main hoisting motor 14, and the main hoisting motor controller 13 is connected with the electric energy distribution unit 17 and the main hoisting motor 14 respectively. The main hoisting motor controller 13 can control the operation of the main hoisting motor 14, and the main hoisting motor 14 is used for providing power for the hoisting of the electric automobile crane. The hoisting refers to the process that the electric automobile crane hoists a heavy object to lift and descend the heavy object. Therefore, the main hoisting module is used for driving the hoisting of the electric automobile crane. The secondary hoist module includes a secondary hoist motor controller 18 and a secondary hoist motor 19. The auxiliary hoist motor controller 18 is connected to the electric power distribution unit 17 and the auxiliary hoist motor 19, respectively. The auxiliary hoist motor controller 18 can control the operation of the auxiliary hoist motor 19, and the auxiliary hoist motor 19 is used for providing power for the hoisting of the electric automobile crane. Therefore, the auxiliary hoisting module is used for driving the hoisting of the electric automobile crane. The rotation module comprises a rotation motor controller 12 and a rotation motor 11, wherein the rotation motor controller 12 is respectively connected with the electric energy distribution unit 17 and the rotation motor 11. The rotation module is used for driving the electric automobile crane to rotate. Through main hoist module, vice hoist module and gyration module, can satisfy the facial make-up operation demand of electric automobile hoist.
As shown in fig. 1, in the embodiment of the present application, the main hoisting motor 14 is connected to the first reel 15, the auxiliary hoisting motor 19 is connected to the second reel 20, the first reel 15 and the second reel 20 are respectively used for hoisting a heavy object, and the rated hoisting weight of the first reel 15 is greater than the rated hoisting weight of the second reel 20.
Specifically, one end of the main hoist motor 14 is connected to the main hoist motor controller 13, and the other end is connected to the first reel 15. In the loading operation process of the electric automobile crane, the heavy object can be lifted and lowered by winding the steel wire rope or the chain around the first winding drum 15. Similarly, the auxiliary hoist motor 19 has one end connected to the auxiliary hoist motor controller 18 and the other end connected to the second reel 20. In the process of loading operation of the electric automobile crane, the heavy object can be lifted and lowered by winding the steel wire rope or the chain on the second winding drum 20. And, the rated lifting weight of the first reel 15 is greater than the rated lifting weight of the second reel 20. The electric automobile crane can realize the function of lifting or descending heavy objects through the first winding drum 15 and the second winding drum 20.
As shown in fig. 1, in the embodiment of the present application, the electric automobile crane may further include:
the chassis module comprises a chassis motor controller 27 and a chassis motor 28, the chassis motor controller 27 is respectively connected with the bus 22 and the chassis motor 28, and the chassis module is used for providing power for the electric automobile crane.
Specifically, the chassis module includes a chassis motor controller 27 and a chassis motor 28, the chassis motor controller 27 being connected to the bus bar 22 and the chassis motor 28, respectively. The chassis motor controller 27 may control the operation of the chassis motor 28. During the running process of the electric automobile crane, the chassis motor 28 is used for providing running power for the electric automobile crane. In the operation process of the electric automobile crane, the chassis motor 28 can drive a main pump of the electric automobile crane to provide power for the upper-mounted telescopic and variable amplitude. Through the chassis module, can provide power for electric automobile hoist.
As shown in fig. 1, in the embodiment of the present application, the electric automobile crane may further include other chassis loads 34, and the other chassis loads 34 may include:
an air pump motor 31 connected to the bus bar for generating air pressure;
the steering pump motor 32 is connected with the bus and used for driving the electric automobile crane to steer;
and a dc-dc converter 33 connected to the bus 22 for converting the high voltage electric energy into the low voltage electric energy.
In particular, the chassis of the electric vehicle crane is also provided with a plurality of devices, collectively referred to as chassis other loads 34 in the embodiments of the present application. The chassis other loads 34 include a pump motor 31, a steering pump motor 32, and a dc-dc converter 33, which are connected to the bus 22, respectively. The inflating pump motor 31 is used to generate air pressure. The steering pump motor 32 is used for driving the steering of the electric automobile crane. The dc-dc converter 33 is used for converting the high-voltage electric energy into low-voltage electric energy, so as to supply power to a low-voltage electrical system of the electric automobile crane and/or charge a low-voltage storage battery of the electric automobile crane. Through the chassis other loads 34, the functions of the electric automobile crane can be realized.
As shown in fig. 1, in the embodiment of the present application, the electric automobile crane may further include:
a control system in communication with the combined power supply, power distribution unit 17, boarding high voltage system, chassis module and chassis other loads 34 for controlling the combined power supply, power distribution unit 17, boarding high voltage system, chassis module and chassis other loads 34.
Specifically, the electric automobile crane further includes a control system in communication with the combined power supply, power distribution unit 17, the boarding high voltage system, the chassis module, and other chassis loads 34. The control system comprises a central control unit 21 and an auxiliary control unit 25 for controlling the combined power supply, the power distribution unit 17, the boarding high-voltage system, the chassis module and other chassis loads 34. Therefore, the requirement for controlling each device in the electric automobile crane can be met.
As shown in fig. 1, in the embodiment of the present application, the control system may include:
a central control unit 21 in communication with the combined power supply and chassis other loads 34 for controlling the combined power supply and chassis other loads 34;
and the auxiliary control unit 25 is communicated with the electric energy distribution unit 17, the boarding high-voltage system and the chassis module, and is used for controlling the electric energy distribution unit 17, the boarding high-voltage system and the chassis module.
In particular, the central control unit 21 communicates with the combined power supply and chassis other loads 34 for coordinating, controlling the operation of the various devices, and directly controlling the combined power supply and chassis other loads 34. The auxiliary control unit 25 is in communication with the power distribution unit 17, the boarding high-voltage system and the chassis module, and is configured to assist the central control unit 21 in completing control of each device, and directly control the power distribution unit 17, the boarding high-voltage system and the chassis module. The central control unit 21 and the auxiliary control unit 25 can satisfy the requirement of controlling each device in the electric automobile crane.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An electric automobile crane, characterized in that the electric automobile crane comprises:
the combined power supply is connected with a bus of the electric automobile crane and used for providing electric energy for the electric automobile crane;
the electric energy distribution unit is arranged on the bus and used for distributing the electric energy, and the electric energy distribution unit comprises a first switch and a second switch;
the upper vehicle high-voltage system is connected with the electric energy distribution unit and used for driving the electric vehicle crane to carry out loading operation under the condition that the first switch is closed;
and the brake resistor is connected with the electric energy distribution unit and used for consuming redundant electric energy on the bus under the condition that the second switch is closed.
2. The electric automobile crane as claimed in claim 1, wherein the combined power supply comprises:
the charging device is connected with the bus and used for charging the electric automobile crane;
the power battery is connected with the bus and used for providing electric energy for the operation process of the electric automobile crane;
and the super capacitor is connected with the direct current-direct current converter for the super capacitor and used for storing electric energy.
3. The electric automobile crane as claimed in claim 2, wherein the super capacitor is connected to the bus by a dc-dc converter, and is configured to draw electric energy from the bus, store the electric energy in the super capacitor after stepping down the electric energy, or release the electric energy in the super capacitor to the bus after stepping up the electric energy.
4. The electric automobile crane according to claim 2, wherein the charging device comprises:
the alternating current charger is connected with the bus and used for charging the electric automobile crane and/or providing electric energy for the loading operation process of the electric automobile crane,
and the direct-current charging gun seat is connected with the bus and used for charging the electric automobile crane under the condition that the electric automobile crane stops operating.
5. The electric automobile crane of claim 1, wherein the upper vehicle high voltage system comprises:
the main hoisting module comprises a main hoisting motor controller and a main hoisting motor, the main hoisting motor controller is respectively connected with the electric energy distribution unit and the main hoisting motor, and the main hoisting module is used for driving the hoisting load of the electric automobile crane;
the auxiliary hoisting module comprises an auxiliary hoisting motor controller and an auxiliary hoisting motor, the auxiliary hoisting motor controller is respectively connected with the electric energy distribution unit and the auxiliary hoisting motor, and the auxiliary hoisting module is used for driving the hoisting of the electric automobile crane;
the rotary module comprises a rotary motor controller and a rotary motor, the rotary motor controller is respectively connected with the electric energy distribution unit and the rotary motor, and the rotary module is used for driving the electric automobile crane to rotate.
6. The electric automobile crane according to claim 5, wherein the main hoisting motor is connected with a first winding drum, the auxiliary hoisting motor is connected with a second winding drum, the first winding drum and the second winding drum are respectively used for hoisting a heavy object, and the rated hoisting weight of the first winding drum is greater than the rated hoisting weight of the second winding drum.
7. The electric automobile crane of claim 5, further comprising:
the chassis module comprises a chassis motor controller and a chassis motor, the chassis motor controller is respectively connected with the bus and the chassis motor, and the chassis module is used for providing power for the electric automobile crane.
8. The electric automobile crane of claim 7, further comprising a chassis other load, the chassis other load comprising:
the inflating pump motor is connected with the bus and used for generating air pressure;
the steering pump motor is connected with the bus and used for driving the electric automobile crane to steer;
and the direct current-direct current converter is connected with the bus and is used for converting high-voltage electric energy into low-voltage electric energy.
9. The electric automobile crane of claim 8, further comprising:
a control system in communication with the combined power supply, the power distribution unit, the pick-up high voltage system, the chassis module and other chassis loads for controlling the combined power supply, the power distribution unit, the pick-up high voltage system, the chassis module and the other chassis loads.
10. The electric automobile crane of claim 9, wherein the control system comprises:
a central control unit in communication with the combined power supply and the other chassis loads for controlling the combined power supply and the other chassis loads;
and the auxiliary control unit is communicated with the electric energy distribution unit, the getting-on high-voltage system and the chassis module and is used for controlling the electric energy distribution unit, the getting-on high-voltage system and the chassis module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222627541.XU CN218619972U (en) | 2022-09-30 | 2022-09-30 | Electric automobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222627541.XU CN218619972U (en) | 2022-09-30 | 2022-09-30 | Electric automobile crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218619972U true CN218619972U (en) | 2023-03-14 |
Family
ID=85469114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222627541.XU Active CN218619972U (en) | 2022-09-30 | 2022-09-30 | Electric automobile crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218619972U (en) |
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2022
- 2022-09-30 CN CN202222627541.XU patent/CN218619972U/en active Active
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