CN221162251U - Integrated driving and controlling system of bridge detecting vehicle - Google Patents
Integrated driving and controlling system of bridge detecting vehicle Download PDFInfo
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- CN221162251U CN221162251U CN202323400099.8U CN202323400099U CN221162251U CN 221162251 U CN221162251 U CN 221162251U CN 202323400099 U CN202323400099 U CN 202323400099U CN 221162251 U CN221162251 U CN 221162251U
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Abstract
The utility model discloses an integrated driving and controlling system of a bridge inspection vehicle, which relates to the field of bridge inspection vehicle control and comprises the following components: a driving and controlling integrated cabinet and a low-voltage direct current unit; a power supply module, a charging module, a motor driving unit, a controller and a motor change-over switch group are arranged in the driving and control integrated cabinet; the power supply module provides DC 48V direct current for the low-voltage direct current motor, and the controller controls the motor driving unit and the motor change-over switch group according to the operation instruction to realize independent control of each low-voltage direct current motor in the low-voltage direct current motor group; the utility model adopts an integrated design idea, takes an embedded microcontroller as a core, integrates a plurality of functional modules such as power supply conversion, motor driving, system control, state detection and communication, and the like, and realizes the whole functions of taking electricity from a storage battery to the operation of various motors on a drive axle inspection vehicle by a single cabinet body.
Description
Technical Field
The utility model relates to the field of bridge inspection vehicle control, in particular to an integrated driving and controlling system of a bridge inspection vehicle.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The bridge inspection vehicle is a special engineering machine, and provides an overhead operation channel and a movable operation platform for bridge inspection personnel to inspect under the bridge. The bridge inspection vehicle generally adopts a low-voltage storage battery as a power supply and is provided with a plurality of motors such as a traveling motor, a telescopic motor, a steering motor and the like to realize the functions of moving, lifting and the like of the bridge inspection vehicle below a bridge.
The conventional driving and controlling system of the bridge inspection vehicle is generally composed of a power cabinet, a driving cabinet and a driving motor, as shown in fig. 2. The power supply cabinet is mainly provided with a storage battery, a charger, a high-frequency inverter and other devices. The driving cabinet is mainly provided with a motor frequency converter and a PLC controller. The system converts low-voltage direct current of a storage battery into alternating current of AC220V through a high-frequency inverter, drives a motor through a motor frequency converter converting 220V into three-phase AC 380V, and is provided with independent frequency converters for motors with different purposes. The PLC controller is used as a main controller of the system and is used for processing control instructions from an operation panel or a touch screen to control the working states of the frequency converters, so that the overall functions of advancing, retreating, speed limiting, steering, fault diagnosis, protection and the like of the bridge inspection vehicle are realized.
Therefore, the driving and controlling system of the traditional bridge inspection vehicle has the problems of large equipment quantity, large occupied space, complex installation and wiring, large debugging difficulty, long period, difficult guarantee of system reliability and the like.
Disclosure of utility model
The utility model aims at: aiming at the problems that the driving and control system of the traditional bridge detection vehicle has the defects of large equipment quantity, large occupied space, complex installation and wiring, large debugging difficulty, long period, difficult guarantee of system reliability and the like, the integrated driving and control system of the bridge detection vehicle is provided for driving and controlling the operation of motors with different purposes on the bridge detection vehicle.
The technical scheme of the utility model is as follows:
An integrated drive and control system for a bridge inspection vehicle, comprising: a driving and controlling integrated cabinet and a low-voltage direct current unit; a power supply module, a charging module, a motor driving unit, a controller and a motor change-over switch group are arranged in the driving and control integrated cabinet; the power supply module provides DC 48V direct current for the low-voltage direct current motor, and the controller controls the motor driving unit and the motor change-over switch group according to the operation instruction to realize independent control of each low-voltage direct current motor in the low-voltage direct current motor group.
Further, the power supply module is a storage battery.
Further, the charging module is an AC 220V-DC 48V charger, and the storage battery can take electricity from a commercial power AC 220V socket through the built-in charger to supplement electric energy for the storage battery.
Further, the low voltage direct current motor may use a BLDC form.
Further, the low voltage direct current motor may use a PMSM form.
Further, the controller adopts a high-performance embedded controller, can process control instructions from an operation panel or a touch screen, converts the instructions into specific motor working requests and transmits the specific motor working requests to a motor driving unit and a motor change-over switch group, and meanwhile, the state monitoring and remote communication functions of the system are realized.
Further, the output end of the motor driving unit is connected with a main power supply circuit in parallel, and a plurality of sub power supply circuits are connected with the low-voltage direct current motors respectively and supply power for the low-voltage direct current motors.
Further, the motor change-over switch group comprises a plurality of motor change-over switches, and the motor change-over switches are arranged on each sub-power supply line and used for controlling the on-off of each sub-power supply line.
Further, the controller is connected with the motor driving unit and the motor change-over switch group respectively, and transmits control instructions to the motor driving unit and the motor change-over switch group through the controller.
Compared with the prior art, the utility model has the beneficial effects that:
1. An integrated driving and controlling system of a bridge inspection vehicle is used for driving and controlling the operation of motors with different purposes on the bridge inspection vehicle; the device adopts an integrated design concept, takes an embedded microcontroller as a core, integrates a plurality of functional modules such as power supply conversion, motor driving, system control, state detection and communication, and the like, and realizes that a single cabinet body completes all functions from battery power taking to various motor work on a drive axle inspection vehicle.
2. The integrated driving and controlling system for bridge detecting vehicle has simple structure, small size and convenient installation and arrangement; the protection level is high, the reliability is good, solves the problems that the traditional driving and controlling system on the bridge inspection vehicle is large in equipment quantity, large in occupied space, complex in installation and wiring, difficult to guarantee the system reliability and the like.
3. An integrated driving and controlling system of bridge inspection vehicle, the device has high integration level, comprehensive functions and lower total cost of system.
4. An integrated driving and controlling system of bridge inspection vehicle adopts a high-integration driving and controlling integrated cabinet to replace two boxes of an original power cabinet and a driving cabinet, thereby saving space, reducing weight and lowering cost.
5. An integrated driving and controlling system for bridge inspection vehicle adopts low-voltage DC driving scheme to cancel DC-AC, low-voltage boost intermediate circuit and greatly simplify system architecture.
6. The integrated driving and controlling system for bridge detecting vehicle has motor switching switch set to dispatch the motors with different functions reasonably based on practical requirement and reduce the number of motor driving units.
7. An integrated driving and controlling system of bridge inspection vehicle adopts a high-performance controller, which can meet the requirements of system control, motor switching, state monitoring and remote communication.
Drawings
FIG. 1 is a schematic diagram of an integrated drive and control system architecture for a bridge inspection vehicle
FIG. 2 is a schematic diagram of a conventional bridge inspection vehicle drive and control system architecture.
Detailed Description
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present utility model are described in further detail below in connection with examples.
Example 1
Referring to fig. 1, an integrated driving and controlling system of a bridge inspection vehicle specifically includes:
A driving and controlling integrated cabinet and a low-voltage direct current unit; a power supply module, a charging module, a motor driving unit, a controller and a motor change-over switch group are arranged in the driving and control integrated cabinet; the power supply module provides DC 48V direct current for the low-voltage direct current motor, and the controller controls the motor driving unit and the motor change-over switch group according to the operation instruction to realize independent control of each low-voltage direct current motor in the low-voltage direct current motor group;
It should be noted that, each low-voltage direct current motor can be used as a running motor, a lifting motor, a transformation motor and other purposes according to the requirements of specific application scenes, and is not limited herein; meanwhile, a DC 48V low-voltage direct-current driving scheme is adopted, the intermediate process of direct-current to alternating-current and low-voltage boosting is eliminated, the complexity of the system is greatly reduced, system equipment is reduced, and the system cost is saved; and a set of driving units can be used for supplying power to motors with different functions of the bridge inspection vehicle through a set of change-over switch groups, so that the number of the driving units is saved, and the change-over of the switch groups is completed by the controller according to the operation instructions.
In this embodiment, specifically, the power supply module is a storage battery;
The charging module is an AC 220V-DC 48V charger, and the storage battery can take electricity from a commercial power AC 220V socket through the built-in charger to supplement electric energy for the storage battery;
The storage battery has the functions of supplying power and charging, and when the bridge inspection vehicle enters a working area, the storage battery in the integrated cabinet is driven and controlled to provide DC 48V direct current for each low-voltage direct current motor; when the bridge inspection vehicle finishes working and returns to the parking position, the built-in charger can take electricity from the AC 220V socket to supplement electric energy for the storage battery.
In this embodiment, specifically, the low voltage direct current motor may use a BLDC form or a PMSM form;
Even if the low-voltage direct current motor scheme is used for replacing the existing AC 380V three-phase asynchronous motor scheme, the low-voltage direct current motor can use BLDC or PMSM and other forms, compared with the AC 380V three-phase asynchronous motor, the BLDC or PMSM does not need an intermediate voltage conversion circuit, and has the advantages of smaller size, higher efficiency, simplicity in control and the like.
In this embodiment, specifically, the controller is a high-performance embedded controller, and may process a control instruction from an operation panel or a touch screen, convert the instruction into a specific motor working request, and send the specific motor working request to the motor driving unit and the motor switch group, and simultaneously implement a state monitoring and remote communication function of the system.
In this embodiment, specifically, the output end of the motor driving unit is connected with a main power supply line, and the main power supply line is connected with a plurality of sub power supply lines in parallel, where the sub power supply lines are respectively connected with each low-voltage dc motor to supply power to each low-voltage dc motor.
In this embodiment, specifically, the motor switch group includes a plurality of motor switches, and the motor switches are disposed on each sub-power supply line and are used to control on-off of each sub-power supply line.
In this embodiment, specifically, the controller is connected to the motor driving unit and the motor switch group, respectively, and transmits a control instruction to the motor driving unit and the motor switch group through the controller.
The above examples merely illustrate specific embodiments of the application, which are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the technical idea of the application, which fall within the scope of protection of the application.
This background section is provided to generally present the context of the present utility model and the work of the presently named inventors, to the extent it is described in this background section, as well as the description of the present section as not otherwise qualify as prior art at the time of filing, are neither expressly nor impliedly admitted as prior art against the present utility model.
Claims (9)
1. An integrated drive and control system for a bridge inspection vehicle, comprising: a driving and controlling integrated cabinet and a low-voltage direct current unit; a power supply module, a charging module, a motor driving unit, a controller and a motor change-over switch group are arranged in the driving and control integrated cabinet; the power supply module provides DC 48V direct current for the low-voltage direct current motor, and the controller controls the motor driving unit and the motor change-over switch group according to the operation instruction to realize independent control of each low-voltage direct current motor in the low-voltage direct current motor group.
2. The integrated drive and control system of a bridge inspection vehicle of claim 1, wherein the power module is a battery.
3. The integrated driving and controlling system of the bridge inspection vehicle according to claim 2, wherein the charging module is an AC 220V to DC 48V charger, and the storage battery can take electricity from a commercial AC 220V socket through the built-in charger to supplement the storage battery with electric energy.
4. The integrated drive and control system for a bridge inspection vehicle of claim 1, wherein the low voltage dc motor is in the form of BLDC.
5. The integrated drive and control system for a bridge inspection vehicle of claim 1, wherein the low voltage dc motor is in the form of a PMSM.
6. The integrated driving and controlling system of bridge inspection vehicle according to claim 1, wherein the controller is a high-performance embedded controller, which can process the control command from the operation panel or touch screen, convert the command into a specific motor working request and send the specific motor working request to the motor driving unit and the motor switch group, and realize the state monitoring and remote communication functions of the system.
7. The integrated driving and controlling system of bridge inspection vehicle according to claim 1, wherein the output end of the motor driving unit is connected with a main power supply line, the main power supply line is connected with a plurality of sub power supply lines in parallel, and the sub power supply lines are respectively connected with each low-voltage direct current motor to supply power to each low-voltage direct current motor.
8. The integrated driving and controlling system for a bridge inspection vehicle according to claim 7, wherein the motor change-over switch group comprises a plurality of motor change-over switches, and the motor change-over switches are arranged on each sub-power supply line for controlling the on-off of each sub-power supply line.
9. The integrated driving and controlling system of bridge inspection vehicle according to claim 1, wherein the controller is connected with the motor driving unit and the motor switching switch group, respectively, and transmits the control command to the motor driving unit and the motor switching switch group through the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323400099.8U CN221162251U (en) | 2023-12-13 | 2023-12-13 | Integrated driving and controlling system of bridge detecting vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323400099.8U CN221162251U (en) | 2023-12-13 | 2023-12-13 | Integrated driving and controlling system of bridge detecting vehicle |
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| CN221162251U true CN221162251U (en) | 2024-06-18 |
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| CN202323400099.8U Active CN221162251U (en) | 2023-12-13 | 2023-12-13 | Integrated driving and controlling system of bridge detecting vehicle |
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| CN (1) | CN221162251U (en) |
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2023
- 2023-12-13 CN CN202323400099.8U patent/CN221162251U/en active Active
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