CN113086002A - Automatic industrial vehicle power unit of adjusting - Google Patents
Automatic industrial vehicle power unit of adjusting Download PDFInfo
- Publication number
- CN113086002A CN113086002A CN202110572926.8A CN202110572926A CN113086002A CN 113086002 A CN113086002 A CN 113086002A CN 202110572926 A CN202110572926 A CN 202110572926A CN 113086002 A CN113086002 A CN 113086002A
- Authority
- CN
- China
- Prior art keywords
- controller
- permanent magnet
- magnet synchronous
- synchronous motor
- power unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 88
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses an automatically-adjusted industrial vehicle power unit which comprises a permanent magnet synchronous motor and a controller, wherein the controller is integrated on the permanent magnet synchronous motor, and when the controller receives a trigger signal, the controller adjusts the rotating speed of the permanent magnet synchronous motor to a preset rotating speed, so that the rotating speed of the motor is automatically adjusted. In addition, the integration of permanent magnet synchronous motor and controller sets up, makes the length of the connecting cable between permanent magnet synchronous motor and the controller shrink to the shortest, reduces connecting cable loss and pressure drop by a wide margin, guarantees high energy transmission between permanent magnet synchronous motor and the controller, is favorable to promoting the transmission efficiency of motor.
Description
Technical Field
The invention relates to the field of industrial vehicles, in particular to an automatic adjusting industrial vehicle power unit.
Background
Taking a forklift as an example, a steering unit and a lifting unit of the forklift are both driven by a power unit, and the forklift is developing towards automation and intellectualization, so that the power unit mostly adopts an automatic control mode.
Existing power units are largely divided into two categories. Firstly, constitute by asynchronous machine and external controller, although this type of power pack automatic control rotational speed, its spare part cost is higher, and the connecting cable between asynchronous machine and the external controller is longer usually, and the loss is great, and motor transmission efficiency is lower. Secondly, the direct contactor and the direct current motor form the power unit, stepless speed regulation cannot be realized by the power unit, and the transmission efficiency of the motor is low.
Therefore, the transmission efficiency of the motor is difficult to be improved on the premise of realizing automatic speed regulation by the conventional power unit.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an automatically adjusting power unit for an industrial vehicle, in which a permanent magnet synchronous motor is integrated with a controller, so as to effectively reduce power consumption and improve transmission efficiency of the motor, and the controller can automatically adjust a rotation speed of the permanent magnet synchronous motor according to a received trigger signal.
The invention provides an automatically regulated industrial vehicle power unit, comprising:
a permanent magnet synchronous motor;
a controller integrated with the permanent magnet synchronous motor;
when the controller receives the trigger signal, the controller adjusts the rotating speed of the permanent magnet synchronous motor to a preset rotating speed.
Preferably, the method further comprises the following steps:
a rotation speed sensor connected with the controller and arranged on a steering column of the steering wheel;
a steering gear pump connected with the permanent magnet synchronous motor;
when the rotating speed sensor detects that the rotating speed of the steering wheel exceeds the specified rotating speed, the rotating speed sensor sends a steering trigger signal to the controller, the controller increases the rotating speed of the permanent magnet synchronous motor, the permanent magnet synchronous motor drives the steering gear pump to rotate, and the steering gear pump supplies oil to the steering oil cylinder through the steering oil way.
Preferably, the method further comprises the following steps:
a lifting button connected with the controller;
a lifting gear pump connected with the permanent magnet synchronous motor;
when the lifting button is triggered to the ideal depth, the lifting button sends a lifting trigger signal to the controller, the controller adjusts the rotating speed of the permanent magnet synchronous motor to be matched with the ideal depth, the permanent magnet synchronous motor drives the lifting gear pump to rotate, and the lifting gear pump supplies oil to the lifting oil cylinder through a lifting oil way.
Preferably, the method further comprises the following steps:
the temperature sensor is used for detecting the temperature of the permanent magnet synchronous motor;
the controller is respectively connected with the temperature sensors, and when the temperature sensors detect that the temperature of the permanent magnet synchronous motor exceeds a preset temperature, the controller reduces the rotating speed of the permanent magnet synchronous motor.
Preferably, the method further comprises the following steps:
the speed encoder is used for detecting the rotating speed of the permanent magnet synchronous motor;
a display;
the controller is respectively connected with the speed encoder and the display;
when the speed encoder detects the rotating speed of the permanent magnet synchronous motor, the controller controls the display to display the rotating speed of the permanent magnet synchronous motor in real time.
Preferably, the shell of the permanent magnet synchronous motor and the shell of the controller are both provided with heat dissipation ribs.
Preferably, the housing of the permanent magnet synchronous motor is an aluminum housing.
Preferably, a heat insulation pad for separating the permanent magnet synchronous motor and the controller is arranged between the permanent magnet synchronous motor and the controller.
Preferably, the top of the controller is detachably provided with a maintenance cover plate.
Compared with the background art, the power unit of the industrial vehicle capable of automatically adjusting provided by the invention comprises the permanent magnet synchronous motor and the controller, wherein the controller is integrated on the permanent magnet synchronous motor, and when the controller receives the trigger signal, the controller adjusts the rotating speed of the permanent magnet synchronous motor to the preset rotating speed, so that the rotating speed of the motor can be automatically adjusted. In addition, the integration of permanent magnet synchronous motor and controller sets up, makes the length of the connecting cable between permanent magnet synchronous motor and the controller shrink to the shortest, reduces connecting cable loss and pressure drop by a wide margin, guarantees high energy transmission between permanent magnet synchronous motor and the controller, is favorable to promoting the transmission efficiency of motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a front view of a self-adjusting industrial vehicle power unit provided in accordance with one embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a simplified connection diagram of the self-adjusting industrial vehicle power unit of the present invention adapted for use in a steering mode;
FIG. 4 is a schematic diagram of the connection of the self-adjusting industrial vehicle power unit of the present invention adapted for use in a lifting condition;
fig. 5 is a schematic diagram of an internal circuit of the controller of fig. 1.
The reference numbers are as follows:
the system comprises a permanent magnet synchronous motor 1, a controller 2, a key switch, an emergency stop button 3 and a heat dissipation rib 4;
the system comprises a switching power supply 21, an inverter circuit 22, a sampling circuit 23 and a three-phase rectifier bridge S1-S6;
a steering wheel 51, a rotational speed sensor 52, a steering gear pump 53, a steering cylinder 54, and a steering gear 55;
a lifting button 61, a lifting potentiometer 62, a lifting gear pump 63, a lifting oil cylinder 64 and a gantry 65.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 to 5, fig. 1 is a front view of a power unit of an automatically adjusting industrial vehicle according to an embodiment of the present invention; FIG. 2 is a right side view of FIG. 1; FIG. 3 is a simplified connection diagram of the self-adjusting industrial vehicle power unit of the present invention adapted for use in a steering mode; FIG. 4 is a schematic diagram of the connection of the self-adjusting industrial vehicle power unit of the present invention adapted for use in a lifting condition; fig. 5 is a schematic diagram of an internal circuit of the controller of fig. 1.
The embodiment of the invention discloses an automatically-adjusted industrial vehicle power unit, wherein the automatically-adjusted industrial vehicle can be a forklift, an electric tractor, an electric flat truck or an electric pallet truck and the like. The power unit is suitable for steering working conditions and lifting working conditions, and is wide in application range.
The power unit provided by the invention comprises a permanent magnet synchronous motor 1 and a controller 2, and the structure and the working principle of the permanent magnet synchronous motor 1 can refer to the prior art.
The controller 2 is integrated on the permanent magnet synchronous motor 1, when the controller 2 receives a trigger signal, the controller 2 adjusts the rotating speed of the permanent magnet synchronous motor 1 to a preset rotating speed, and the rotating speed is set as required, so that the rotating speed of the motor is automatically adjusted. The matching relationship between the preset rotation speed and the trigger signal can be input into the controller 2 in advance. The trigger signal can be a steering trigger signal or a lifting trigger signal which can be changed according to the working condition.
The controller 2 is controlled by a DSP (Digital Signal Processing), a schematic circuit diagram of the controller 2 is shown in fig. 5, the controller 2 includes a switching power supply 21, an inverter circuit 22, a sampling circuit 23 connected to each detection device, and six three-phase rectifier bridges S1-S6, and the controller 2 converts DC direct current into AC alternating current through the switching power supply 21, the inverter circuit 22, and the three-phase rectifier bridges S1-S6, thereby controlling the rotation speed of the permanent magnet synchronous motor 1. The controller 2 is provided with an external interface for receiving a rotational speed feedback signal and a temperature feedback signal.
The power unit provided by the invention also comprises a key switch and an emergency stop button 3 which are respectively and electrically connected with the controller 2, and the controller 2 can be switched on and off through the key switch and the emergency stop button 3. The controller 2, the key switch and the emergency stop button 3 are all powered by a storage battery.
In addition, the integration of permanent magnet synchronous motor 1 and controller 2 sets up, makes the length of the connecting cable between permanent magnet synchronous motor 1 and the controller 2 shrink to the shortest, reduces connecting cable loss and pressure drop by a wide margin, guarantees high energy transmission between permanent magnet synchronous motor 1 and the controller 2, is favorable to promoting the transmission efficiency of motor.
Furthermore, the integrated arrangement of the permanent magnet synchronous motor 1 and the controller 2 can also reduce the occupied space, improve the space utilization rate, facilitate the whole vehicle arrangement, and can not need to encapsulate the controller 2, thereby simplifying the process and being beneficial to reducing the cost.
The power unit provided by the invention further comprises a rotating speed sensor 52 and a steering gear pump 53, wherein the rotating speed sensor 52 is connected with the controller 2, is arranged on a steering column of the steering wheel 51 and is used for detecting the rotating speed of the steering wheel 51, and the faster the rotating speed of the steering wheel 51 is, the lower the input voltage of the rotating speed sensor 52 is. The steering gear pump 53 is connected with the permanent magnet synchronous motor 1, the steering gear pump 53 provides liquid power for a steering oil path, the steering oil path is connected with the steering oil cylinder 54, and the steering oil path controls the steering oil cylinder 54 to stretch and retract by means of a reversing valve. In order to ensure that the steering starting is smooth, the permanent magnet motor runs at an idle speed when the default key is turned on, and the permanent magnet synchronous motor 1 runs at a low rotating speed in a normal state; the permanent magnet synchronous motor 1 can output high rotating speed only under the condition of turning, and is economical and energy-saving.
When the rotating speed sensor 52 detects that the rotating speed of the steering wheel 51 exceeds the specified rotating speed, the rotating speed sensor 52 sends a steering trigger signal to the controller 2, the controller 2 increases the rotating speed of the permanent magnet synchronous motor 1, the permanent magnet synchronous motor 1 drives the steering gear pump 53 to rotate fast, the steering gear pump 53 supplies oil to the steering oil cylinder 54 through a steering oil path, and the steering oil cylinder 54 drives the steering wheels to rotate, so that hydraulic steering is realized.
The power unit provided by the invention further comprises a lifting button 61 and a lifting gear pump 63, wherein the lifting button 61 is connected with the controller 2, the lifting button 61 is provided with a lifting potentiometer 62, and the lifting potentiometer 62 converts the pressing depth of the lifting button 61 into a voltage signal, so that the power unit has better hand feeling. The lifting gear pump 63 is connected with the permanent magnet synchronous motor 1, the lifting gear pump 63 supplies liquid power to a lifting oil path, the lifting oil path is connected with a lifting oil cylinder 64, and the lifting oil path can also control the lifting oil cylinder 64 to stretch and retract by means of a reversing valve. In order to ensure safety, the permanent magnet synchronous motor 1 does not need to run at an idle speed when being lifted.
When the lifting button 61 is triggered to a desired depth, the lifting button 61 sends a lifting trigger signal to the controller 2, the lifting trigger signal can be a voltage signal, the controller 2 adjusts the rotating speed of the permanent magnet synchronous motor 1 to be matched with the desired depth, the permanent magnet synchronous motor 1 drives the lifting gear pump 63 to rotate, the lifting gear pump 63 supplies oil to the lifting oil cylinder 64 through a lifting oil path, and the lifting oil cylinder 64 drives the gantry 65 to lift, so that hydraulic lifting is realized.
The ideal depth refers to the current pressing depth of the lifting button 61, and the matching relationship between the rotating speed of the permanent magnet synchronous motor 1 and the ideal depth can be stored in the controller 2 in advance, so that the controller 2 can adjust the rotating speed of the permanent magnet synchronous motor 1 according to the ideal depth.
The power unit provided by the invention further comprises a temperature sensor connected with the controller 2, and the temperature sensor is used for detecting the temperature of the permanent magnet synchronous motor 1. When the temperature sensor detects that the temperature of the permanent magnet synchronous motor 1 exceeds the preset temperature, the controller 2 reduces the rotating speed of the permanent magnet synchronous motor 1, automatically reduces the power consumption of the permanent magnet synchronous motor 1, avoids overhigh temperature of the permanent magnet synchronous motor 1, has high safety, and enables the permanent magnet synchronous motor 1 to continuously keep high transmission efficiency. The preset temperature refers to the highest temperature that the permanent magnet synchronous motor 1 can bear, and aging and short circuit of components of the permanent magnet synchronous motor 1 due to overhigh temperature are avoided.
The power unit provided by the invention also comprises a speed encoder and a display which are respectively connected with the controller 2, wherein the speed encoder detects the rotating speed of the permanent magnet synchronous motor 1. When the speed encoder detects the rotating speed of the permanent magnet synchronous motor 1, the controller 2 controls the display to display the rotating speed of the permanent magnet synchronous motor 1 in real time, the rotating speed of the permanent magnet synchronous motor 1 is conveniently and visually observed, and the speed encoder is matched with the temperature sensor to enable the controller 2 to form closed-loop control. Of course, the controller 2 may also control the display to visually display the temperature of the permanent magnet synchronous motor 1 according to the signal fed back by the temperature sensor.
Because controller 2 is in the same place with PMSM 1 is integrated, for preventing that the components and parts of controller 2 from receiving high temperature and influencing, PMSM 1's shell and controller 2's shell all are equipped with heat dissipation muscle 4, increase heat conduction area, promote heat conduction efficiency, and the radiating efficiency is higher. The heat dissipation ribs 4 are specifically a plurality of strip-shaped protrusions which are uniformly distributed in a ring shape.
Further, the shell of the permanent magnet synchronous motor 1 is specifically an aluminum shell, and the heat dissipation of the permanent magnet synchronous motor 1 is accelerated by virtue of the advantages of the aluminum shell, so that the heat conduction efficiency is high, and the heat dissipation efficiency is further improved.
Furthermore, a heat insulation pad is arranged between the permanent magnet synchronous motor 1 and the controller 2, and the heat insulation pad is utilized to separate the permanent magnet synchronous motor 1 and the controller 2, so that internal heat conduction between the permanent magnet synchronous motor 1 and the controller 2 is prevented, and further improvement of heat dissipation efficiency is facilitated.
The top of controller 2 can be dismantled and be equipped with the maintenance apron, makes things convenient for maintenance controller 2.
The present invention provides a self-adjusting industrial vehicle power unit, which is described in detail above, and the principle and the embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. An automatically regulated industrial vehicle power unit, comprising:
a permanent magnet synchronous motor (1);
a controller (2) integrated in the permanent magnet synchronous motor (1);
when the controller (2) receives a trigger signal, the controller (2) adjusts the rotating speed of the permanent magnet synchronous motor (1) to a preset rotating speed.
2. The self-regulating industrial vehicle power unit of claim 1, further comprising:
a rotation speed sensor (52) connected to the controller (2) and provided in a steering column of a steering wheel (51);
a steering gear pump (53) connected with the permanent magnet synchronous motor (1);
when speed sensor (52) detect the rotational speed of steering wheel (51) surpasss appointed rotational speed, speed sensor (52) send turn to trigger signal extremely controller (2), controller (2) increase the rotational speed of PMSM (1), PMSM (1) drive turn to gear pump (53) and rotate, turn to gear pump (53) through turning to the oil circuit to turn to hydro-cylinder (54) fuel feeding.
3. The self-regulating industrial vehicle power unit of claim 1, further comprising:
a lifting button (61) connected to the controller (2);
a lifting gear pump (63) connected with the permanent magnet synchronous motor (1);
when the lifting button (61) is triggered to an ideal depth, the lifting button (61) sends a lifting trigger signal to the controller (2), the controller (2) adjusts the rotating speed of the permanent magnet synchronous motor (1) to be matched with the ideal depth, the permanent magnet synchronous motor (1) drives the lifting gear pump (63) to rotate, and the lifting gear pump (63) supplies oil to a lifting oil cylinder (64) through a lifting oil circuit.
4. The self-regulating industrial vehicle power unit of any one of claims 1-3, further comprising:
a temperature sensor for detecting the temperature of the permanent magnet synchronous motor (1);
the controller (2) is respectively connected with the temperature sensors, and when the temperature sensors detect that the temperature of the permanent magnet synchronous motor (1) exceeds a preset temperature, the controller (2) reduces the rotating speed of the permanent magnet synchronous motor (1).
5. The self-regulating industrial vehicle power unit of claim 4, further comprising:
the speed encoder is used for detecting the rotating speed of the permanent magnet synchronous motor (1);
a display;
the controller (2) is respectively connected with the speed encoder and the display;
when the speed encoder detects the rotating speed of the permanent magnet synchronous motor (1), the controller (2) controls the display to display the rotating speed of the permanent magnet synchronous motor (1) in real time.
6. The self-regulating industrial vehicle power unit according to any one of claims 1 to 3, characterized in that the housing of the permanent magnet synchronous machine (1) and the housing of the controller (2) are provided with heat dissipating ribs (4).
7. Self-regulating industrial vehicle power unit according to claim 6, characterized in that the housing of the permanent magnet synchronous machine (1) is embodied as an aluminum housing.
8. Self-regulating industrial vehicle power unit according to any of claims 1 to 3, characterized in that between the permanent magnet synchronous machine (1) and the controller (2) is provided a heat insulating mat for separating the two.
9. Self-adjusting industrial vehicle power unit according to any of claims 1 to 3, characterized in that the top of the controller (2) is removably provided with a service cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110572926.8A CN113086002A (en) | 2021-05-25 | 2021-05-25 | Automatic industrial vehicle power unit of adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110572926.8A CN113086002A (en) | 2021-05-25 | 2021-05-25 | Automatic industrial vehicle power unit of adjusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113086002A true CN113086002A (en) | 2021-07-09 |
Family
ID=76664460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110572926.8A Pending CN113086002A (en) | 2021-05-25 | 2021-05-25 | Automatic industrial vehicle power unit of adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113086002A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138097A (en) * | 1980-03-31 | 1981-10-28 | Kayaba Ind Co Ltd | Hydraulic steering device |
| JPS6246766A (en) * | 1985-08-24 | 1987-02-28 | Mazda Motor Corp | Steering device for car |
| KR970026701A (en) * | 1995-11-28 | 1997-06-24 | 전성원 | Automotive Hydraulic Steering System |
| CN2633703Y (en) * | 2003-07-01 | 2004-08-18 | 浙江杭叉工程机械股份有限公司 | Forklift hydraulic device for lifting and turning with one motor |
| CN102442344A (en) * | 2011-12-12 | 2012-05-09 | 江门市兴江转向器有限公司 | Circulating ball motor pump type hydraulic power-assisted steering system |
| CN202896667U (en) * | 2012-09-28 | 2013-04-24 | 惠州比亚迪电子有限公司 | Automotive auxiliary steering control system |
| CN105298991A (en) * | 2015-11-18 | 2016-02-03 | 西安建筑科技大学 | Experiment platform and experiment method for virtual loading and controlling of engineering mechanical work conditions |
| CN105490606A (en) * | 2015-12-25 | 2016-04-13 | 杭州乾景科技有限公司 | Protection method for preventing submersible AC permanent magnet synchronous motor from being demagnetized |
| CN106786388A (en) * | 2016-12-30 | 2017-05-31 | 安徽理工大学 | Speed-regulating type magnetic coupler overload protection arrangement and method |
| CN207045450U (en) * | 2017-07-03 | 2018-02-27 | 上海田意环保科技有限公司 | A kind of electric car hydraulic steering system |
| CN107906063A (en) * | 2017-12-03 | 2018-04-13 | 长沙汽电汽车零部件有限公司 | Lift work equipment and its dynamical system |
| CN108146498A (en) * | 2017-12-22 | 2018-06-12 | 安徽合力股份有限公司 | Steering pump motor speed regulation system positively related with direction disk rotating speed and method |
| CN207782693U (en) * | 2017-09-11 | 2018-08-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of safety control device of permanent magnet synchronous motor |
| CN108791478A (en) * | 2018-05-29 | 2018-11-13 | 王岚 | A kind of direct drive type electrohydraulic power steering stgear |
| CN110002370A (en) * | 2019-05-13 | 2019-07-12 | 安徽维德电源有限公司 | A kind of driving of electri forklift and Hydraulic integration dynamical system and its control method |
-
2021
- 2021-05-25 CN CN202110572926.8A patent/CN113086002A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138097A (en) * | 1980-03-31 | 1981-10-28 | Kayaba Ind Co Ltd | Hydraulic steering device |
| JPS6246766A (en) * | 1985-08-24 | 1987-02-28 | Mazda Motor Corp | Steering device for car |
| KR970026701A (en) * | 1995-11-28 | 1997-06-24 | 전성원 | Automotive Hydraulic Steering System |
| CN2633703Y (en) * | 2003-07-01 | 2004-08-18 | 浙江杭叉工程机械股份有限公司 | Forklift hydraulic device for lifting and turning with one motor |
| CN102442344A (en) * | 2011-12-12 | 2012-05-09 | 江门市兴江转向器有限公司 | Circulating ball motor pump type hydraulic power-assisted steering system |
| CN202896667U (en) * | 2012-09-28 | 2013-04-24 | 惠州比亚迪电子有限公司 | Automotive auxiliary steering control system |
| CN105298991A (en) * | 2015-11-18 | 2016-02-03 | 西安建筑科技大学 | Experiment platform and experiment method for virtual loading and controlling of engineering mechanical work conditions |
| CN105490606A (en) * | 2015-12-25 | 2016-04-13 | 杭州乾景科技有限公司 | Protection method for preventing submersible AC permanent magnet synchronous motor from being demagnetized |
| CN106786388A (en) * | 2016-12-30 | 2017-05-31 | 安徽理工大学 | Speed-regulating type magnetic coupler overload protection arrangement and method |
| CN207045450U (en) * | 2017-07-03 | 2018-02-27 | 上海田意环保科技有限公司 | A kind of electric car hydraulic steering system |
| CN207782693U (en) * | 2017-09-11 | 2018-08-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of safety control device of permanent magnet synchronous motor |
| CN107906063A (en) * | 2017-12-03 | 2018-04-13 | 长沙汽电汽车零部件有限公司 | Lift work equipment and its dynamical system |
| CN108146498A (en) * | 2017-12-22 | 2018-06-12 | 安徽合力股份有限公司 | Steering pump motor speed regulation system positively related with direction disk rotating speed and method |
| CN108791478A (en) * | 2018-05-29 | 2018-11-13 | 王岚 | A kind of direct drive type electrohydraulic power steering stgear |
| CN110002370A (en) * | 2019-05-13 | 2019-07-12 | 安徽维德电源有限公司 | A kind of driving of electri forklift and Hydraulic integration dynamical system and its control method |
Non-Patent Citations (1)
| Title |
|---|
| 黄妙华、喻厚宇、裴晓飞、刘建国、秦岭: "智能车辆控制系统", 机械工业出版社, pages: 102 - 103 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2683339A1 (en) | Method and system for improving pump efficiency and productivity under power disturbance conditions | |
| CN204578416U (en) | A kind of closed-loop control system of vertical straight drive pumping unit position-sensor-free | |
| AU2002306255A1 (en) | A method for operating a lifting apparatus and a lifting apparatus | |
| CN201248024Y (en) | DC drive system for mining side dismounting rock machine or mining digging drill vehicle running | |
| CN113086002A (en) | Automatic industrial vehicle power unit of adjusting | |
| CN109017982B (en) | Method for controlling air compressor of electric auxiliary system for hybrid electric vehicle | |
| CN101525107B (en) | Frequency hoisting control system | |
| CN103872967A (en) | Frequency converter and escalator control device with frequency converter | |
| CN216564985U (en) | Drive controller of variable frequency control system | |
| CN212324022U (en) | Crane cargo smooth lifting control system based on double-fed motor | |
| TWI269662B (en) | Controlling device for motor of electric running machine and method thereof | |
| CN108565954B (en) | Solar cell direct supply driving device of transverse moving lifting parking equipment | |
| CN201406279Y (en) | Frequency conversion hoisting control system | |
| CN202550945U (en) | Multifunctional vehicle motor controller | |
| CN201910758U (en) | Speed control device of overhead line type mining electric locomotive | |
| CN201594807U (en) | Pumping unit speed regulating and dragging device | |
| CN103368206B (en) | rectification feedback circuit | |
| CN214544104U (en) | AC/DC power supply switching system for marine air conditioner | |
| CN2500024Y (en) | Voltage changing and frequency changing soft start energy saving controller | |
| CN204873581U (en) | High-efficient gantry container crane | |
| CN219535916U (en) | All-electric carrier controller and all-electric carrier | |
| CN204527516U (en) | A kind of electro-tricycle intelligent drives shifting apparatus | |
| CN215871245U (en) | Four-quadrant direct current motor speed regulating system | |
| CN215326523U (en) | Permanent magnet speed regulation lifting machine | |
| CN212752172U (en) | Intelligent fuel automobile generator voltage regulator with overcurrent protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |