CN219604121U - Milling power system and milling machine - Google Patents
Milling power system and milling machine Download PDFInfo
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- CN219604121U CN219604121U CN202320288349.4U CN202320288349U CN219604121U CN 219604121 U CN219604121 U CN 219604121U CN 202320288349 U CN202320288349 U CN 202320288349U CN 219604121 U CN219604121 U CN 219604121U
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- milling
- control switch
- power system
- motor controller
- power supply
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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 utility model relates to the technical field of milling equipment and provides a milling machine power system and a milling machine, wherein the milling machine power system comprises a milling drum motor, a motor controller, a high-voltage power supply module and a low-voltage power supply module, the high-voltage power supply module comprises a power battery and a distribution box, the distribution box is respectively connected with the power battery and the motor controller, the low-voltage power supply module comprises a low-voltage storage battery and a converter, and the converter is respectively connected with the low-voltage storage battery and the motor controller; a first control switch is arranged between the distribution box and the motor controller, and a second control switch is arranged between the converter and the motor controller. According to the milling machine power system, the high-voltage power supply module and the low-voltage power supply module can realize the power supply function, the power supply modes can be switched through the first control switch and the second control switch, the low-voltage power supply module supplies power for the slow-rotation process, so that the safety can be effectively improved, and the possibility of risk in the maintenance process is reduced.
Description
Technical Field
The utility model relates to the technical field of milling equipment, in particular to a milling power system and a milling machine.
Background
As the electromotive technology matures, the industry's need for low-carbon and environment-friendly construction equipment is increasingly highlighted. Milling machines are often used for road refurbishment and repair already built. Municipal construction scenarios will be enhanced for low carbon, low noise equipment requirements and electrically driven milling machine products will also be applied to construction. The traditional scheme of using a hydraulic motor to drive a milling drum is low in system efficiency and is not suitable for pure electric products, so that the electric driving milling drum is a main scheme of an electric milling machine. And the slow rotation function of the milling drum is a key function for maintaining the milling drum tool bit.
The existing electric milling drum is in a high-voltage power supply state when the electric milling drum is in slow rotation maintenance, the complete machine is required to complete high-voltage power supply, energy is provided through a power battery system, and safety risks exist.
Disclosure of Invention
The utility model provides a milling power system and a milling machine, which are used for solving or improving the problem that the electric driving milling drum in the prior art is in a high-voltage power supply state in the maintenance process and has safety risks.
The utility model provides a milling power system, comprising:
a milling drum motor;
the motor controller is connected with the milling drum motor;
the high-voltage power supply module comprises a power battery and a distribution box, and the distribution box is respectively connected with the power battery and the motor controller;
the low-voltage power supply module comprises a low-voltage storage battery and a converter, and the converter is respectively connected with the low-voltage storage battery and the motor controller;
the power distribution box is connected with the motor controller through a power transmission line, wherein a first control switch is arranged between the power distribution box and the motor controller, and a second control switch is arranged between the converter and the motor controller.
According to the milling power system provided by the utility model, the first contact of the first control switch is connected with the distribution box, the second contact of the second control switch is respectively connected with the motor controller and the second contact of the second control switch, and the first contact of the second control switch is connected with the converter.
According to the milling power system provided by the utility model, the first control switch and the second control switch are electromagnetic relays, and the first control switch and the second control switch are connected with the whole vehicle controller.
According to the utility model, a milling power system is provided, which further comprises:
the input device is connected with the whole vehicle controller, and the whole vehicle controller controls the first control switch and the second control switch to be opened and closed based on a selection signal of the input device.
According to the milling power system provided by the utility model, the input device is a key switch or a control panel.
According to the utility model, a milling power system is provided, which further comprises:
and the solar charging module is connected with the low-voltage storage battery.
According to the milling power system provided by the utility model, the milling power system further comprises a charging interface, and the charging interface is connected with the distribution box.
According to the milling power system provided by the utility model, a first overload protection device is arranged between the first control switch and the motor controller; and/or a second overload protection device is arranged between the second control switch and the motor controller.
According to the milling power system provided by the utility model, the milling power system further comprises a third control switch and a third overload protection device, wherein the third control switch is respectively connected with the distribution box and the third overload protection device, and the third overload protection device is suitable for being connected with vehicle-mounted electric equipment.
The utility model also provides a milling machine, which comprises a vehicle body, a milling drum and the milling power system, wherein the milling drum and the milling power system are arranged on the vehicle body.
According to the milling power system provided by the utility model, the high-voltage power supply module and the low-voltage power supply module can realize the power supply function, the power supply modes can be switched through the first control switch and the second control switch, and when slow-rotation maintenance is needed, the low-voltage power supply module supplies power for the slow-rotation process, so that the safety can be effectively improved, and the possibility of risk in the maintenance process is reduced.
Further, the milling machine provided by the utility model has the advantages as described above due to the milling power system.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a milling power system according to the present utility model;
reference numerals: 101. a power battery; 102. a distribution box; 103. a charging interface; 104. a third control switch; 105. a third overload protection device; 106. a first control switch; 107. a first overload protection device; 108. a motor controller; 109. a milling drum motor; 110. a second control switch; 111. a second overload protection device; 112. a converter; 113. a low voltage battery; 114. and (5) vehicle-mounted electric equipment.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A milling power system according to an embodiment of the utility model is described below in connection with fig. 1, which may be applied to a milling machine for powering the operation of a milling drum.
A milling power system according to an embodiment of the utility model comprises a milling drum motor 109, a motor controller 108, a high voltage power supply module and a low voltage power supply module. Milling drum motor 109 is in driving connection with the milling drum; the motor controller 108 is in circuit connection with the milling drum motor 109; the high-voltage power supply module comprises a power battery 101 and a distribution box 102, and the distribution box 102 is electrically connected with the power battery 101 and a motor controller 108 respectively; the low voltage power supply module includes a low voltage battery 113 and a converter 112, the converter 112 may be, for example, a DCDC converter, and the converter 112 is electrically connected to the low voltage battery 113 and the motor controller 108, respectively; a first control switch 106 is disposed between the distribution box 102 and the motor controller 108, and a second control switch 110 is disposed between the converter 112 and the motor controller 108.
In the above-mentioned scheme, milling drum motor 109 can provide power for milling drum when operating, and high voltage power supply module and low voltage power supply module all can provide the electric energy, can realize high voltage power supply module and low voltage power supply module power supply state's switching through the switching control to first control switch 106 and second control switch 110.
Specifically, during normal operation, the second control switch 110 may be closed first, the converter 112 enters a boost mode, and the low voltage battery 113 is utilized to precharge the supporting capacitor of the motor controller 108. When the difference between the voltage of the supporting capacitor end of the motor controller 108 and the voltage of the power battery 101 is less than 5% or less than 30V (the specific value can be adjusted according to the system design), the converter 112 stops working, and at this time, the second control switch 110 is closed to finish high-voltage power-on; when the slow rotation overhauling is performed, the second control switch 110 is closed, the converter 112 enters a boosting mode, the voltage of the low-voltage storage battery 113 is increased to precharge the supporting capacitor of the motor controller 108, the voltage reaches the voltage for the idle running overhauling of the preset milling drum motor 109, the motor controller 108 receives a slow rotation signal, the milling drum motor 109 slowly rotates in a non-load state, in the process, the power battery 101 does not participate in energy supply, all the energy is supplied by the low-voltage storage battery 113, the low-voltage storage battery 113 supplies high-voltage electricity, the power is low, the participation of the power battery 101 is not needed, and the safety and the reliability are realized.
In some embodiments of the present utility model, a first contact of the first control switch 106 is electrically connected to the distribution box 102, a second contact of the first control switch 106 is electrically connected to second contacts of the motor controller 108 and the second control switch 110, respectively, and a first contact of the second control switch 110 is electrically connected to the converter 112. The converter 112 in this embodiment adopts a buck-boost DCDC converter, which can realize both a forward step-up function and a reverse step-down function. Thus, in the milling power system according to the embodiment of the present utility model, when the power battery 101 is used to provide electric energy, the converter 112 is switched to the step-down mode, so that the low-voltage storage battery 113 can be charged and the energy requirement of the low-voltage control system can be maintained.
Optionally, a first overload protection device 107 is arranged between the first control switch 106 and the motor controller 108.
Optionally, a second overload protection device 111 is provided between the second control switch 110 and the motor controller 108.
Optionally, the distribution box 102 is electrically connected with the on-board electric equipment 114 of the milling machine, and a third control switch 104 is arranged on a connection circuit between the distribution box 102 and the on-board electric equipment 114. It should be noted that the on-board electrical consumer 114 refers to other electrical loads such as a lighting device, an electric pump, or a traveling device.
Optionally, a third overload protection device 105 is arranged between the third control switch 104 and the on-board electrical consumer 114.
In an embodiment of the present utility model, the first overload protection device 107, the second overload protection device 111, and the third overload protection device 105 may be fuses.
In some embodiments of the present utility model, the first control switch 106 and the second control switch 110 are electromagnetic relays, the first control switch 106 and the second control switch 110 are electrically connected with a whole vehicle controller of the milling machine, and the opening and closing of the first control switch 106 and the second control switch 110 are controlled by the whole vehicle controller.
Further, the milling power system further includes an input device, and the input device is electrically connected to the vehicle controller, and the vehicle controller controls the first control switch 106 and the second control switch 110 to be opened and closed based on a selection signal of the input device. The input device can be a key switch or a control panel, when the input device is the key switch, different gears can be set for the key switch, and the mode selection is performed by rotating the key switch to switch the gear; when the input device is a control panel, a mode selection key can be arranged on the control panel, the mode selection key can comprise a normal working mode key and a slow-turning maintenance mode key, and in addition, the mode selection key can be a physical key or a virtual key.
In some embodiments of the present utility model, the first control switch 106 and the second control switch 110 are mechanical switches, and an operator can manually operate to open and close the first control switch 106 and the second control switch 110, so as to switch the power supply modes.
Optionally, the first control switch 106 and the second control switch 110 are disposed in an operation room, an operation platform or a cabin of the milling machine, so as to facilitate the operation of an operator.
According to the milling power system of the embodiment of the utility model, the third control switch 104 may be an electromagnetic relay or a mechanical switch.
When the third control switch 104 is an electromagnetic relay, the third control switch 104 may be connected to the vehicle controller and controlled by the vehicle controller. Further, the vehicle controller controls the opening and closing of the third control switch 104 based on the selection signal of the input device.
When the third control switch 104 is a mechanical switch, the operator can turn on/off the third control switch 104 by a manual operation. Optionally, the third control switch 104 is disposed in an operation room, an operation platform or a cabin of the milling machine, so as to facilitate the operation of an operator.
In some embodiments of the present utility model, the milling power system further includes a solar charging module, and the solar charging module is electrically connected to the low-voltage battery 113, so that the low-voltage battery 113 can be effectively ensured to have sufficient electric power to meet the use requirement by setting the solar charging module to charge the low-voltage battery 113, because the milling machine is usually used in an open air environment.
Optionally, the solar charging module is arranged on an outer wall of the milling machine, preferably on top of the operating room when the milling machine is provided with the operating room.
In some embodiments of the present utility model, the milling power system further includes a charging interface 103, where the charging interface 103 is electrically connected to the distribution box 102, and an external power source may be connected to charge the power battery 101 through the charging interface 103.
The electric energy in the power battery 101 is not limited to be supplied through the charging interface 103, and may be supplied by, for example, recovering braking energy.
The embodiment of the utility model also provides a milling machine, which comprises a vehicle body, a milling drum and the milling power system, wherein the milling drum and the milling power system are arranged on the vehicle body.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A milling power system, comprising:
a milling drum motor;
the motor controller is connected with the milling drum motor;
the high-voltage power supply module comprises a power battery and a distribution box, and the distribution box is respectively connected with the power battery and the motor controller;
the low-voltage power supply module comprises a low-voltage storage battery and a converter, and the converter is respectively connected with the low-voltage storage battery and the motor controller;
the power distribution box is connected with the motor controller through a power transmission line, wherein a first control switch is arranged between the power distribution box and the motor controller, and a second control switch is arranged between the converter and the motor controller.
2. The milling power system according to claim 1, wherein a first contact of the first control switch is connected to the distribution box, a second contact of the first control switch is connected to the motor controller and a second contact of the second control switch, respectively, and a first contact of the second control switch is connected to the converter.
3. The milling power system according to claim 1 or 2, wherein the first and second control switches are electromagnetic relays, the first and second control switches being connected to a whole vehicle controller.
4. A milling power system according to claim 3, further comprising:
the input device is connected with the whole vehicle controller, and the whole vehicle controller controls the first control switch and the second control switch to be opened and closed based on a selection signal of the input device.
5. The milling power system of claim 4, wherein the input device is a key switch or a control panel.
6. The milling power system as set forth in claim 1, further comprising:
and the solar charging module is connected with the low-voltage storage battery.
7. The milling power system of claim 1, further comprising a charging interface, the charging interface being connected with the electrical box.
8. The milling power system according to claim 1, wherein a first overload protection device is arranged between the first control switch and the motor controller; and/or a second overload protection device is arranged between the second control switch and the motor controller.
9. The milling power system of claim 1, further comprising a third control switch and a third overload protection device, the third control switch being connected to the distribution box and the third overload protection device, respectively, the third overload protection device being adapted to connect to an on-board electrical consumer.
10. A milling machine comprising a machine body, a milling drum and a milling power system according to any one of claims 1 to 9, the milling drum motor being connected to the milling drum, the milling drum and the milling power system being arranged in the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288349.4U CN219604121U (en) | 2023-02-22 | 2023-02-22 | Milling power system and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288349.4U CN219604121U (en) | 2023-02-22 | 2023-02-22 | Milling power system and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219604121U true CN219604121U (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320288349.4U Active CN219604121U (en) | 2023-02-22 | 2023-02-22 | Milling power system and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219604121U (en) |
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2023
- 2023-02-22 CN CN202320288349.4U patent/CN219604121U/en active Active
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