CN110332303B - Gearbox protection system and method and excavator - Google Patents
Gearbox protection system and method and excavator Download PDFInfo
- Publication number
- CN110332303B CN110332303B CN201910579009.5A CN201910579009A CN110332303B CN 110332303 B CN110332303 B CN 110332303B CN 201910579009 A CN201910579009 A CN 201910579009A CN 110332303 B CN110332303 B CN 110332303B
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- gearbox
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention relates to a gearbox protection system, a gearbox protection method and an excavator, wherein the gearbox protection system comprises a temperature sensor, an electric slip ring, an alarm prompting device and a controller, the temperature sensor is arranged on the outer side surface of a gearbox and is connected with the controller through the electric slip ring, the temperature sensor is used for acquiring the real-time temperature of the gearbox and converting the real-time temperature into an electric signal, the electric slip ring is used for sending the electric signal to the controller, the controller is used for judging whether the real-time temperature of the gearbox exceeds a preset temperature threshold value or not according to the electric signal, and when the real-time temperature of the gearbox exceeds the preset temperature threshold value, the controller. Through the gearbox protection system, the temperature information of the gearbox can be obtained in real time, so that a gearbox protection instruction can be timely generated when the gearbox is at a high temperature, and the gearbox is protected in real time.
Description
Technical Field
The invention relates to the field of machinery, in particular to a gearbox protection system and method and an excavator.
Background
Wheel excavators are generally classified into an excavation mode and a travel mode. Wherein, in the travel mode, the excavator needs to make transitions between various worksites. However, in the case where the wheel excavator travels at high speed for a long time, there is a risk that high temperature may occur in the transmission. After the gearbox is at a high temperature, if the gearbox continues to run, heat dissipation is not timely, the service life of the gearbox is often damaged, and even the gearbox cannot work normally.
Disclosure of Invention
In view of this, a gearbox protection system is provided, can real-time supervision gearbox's temperature information, when the gearbox appears the high temperature, timely acquisition warning suggestion to realize the protection to the gearbox.
A transmission protection system comprising: the temperature sensor is arranged on the outer side surface of the gearbox and is connected with the controller through the electric slip ring;
the temperature sensor is used for acquiring the real-time temperature of the gearbox and converting the real-time temperature into an electric signal;
the electric slip ring is used for sending the electric signal to the controller;
the controller is used for judging whether the real-time temperature of the gearbox exceeds a preset temperature threshold value according to the electric signal;
when the real-time temperature of the gearbox exceeds a preset temperature threshold value, the controller generates a gearbox protection instruction and sends the gearbox protection instruction to the alarm prompting device.
In one embodiment, the alarm prompting device comprises an alarm, the gearbox protection instruction comprises a gearbox high-temperature alarm instruction, and the alarm is used for receiving the gearbox high-temperature alarm instruction sent by the controller to alarm when the real-time temperature of the gearbox exceeds a preset temperature threshold value.
In one embodiment, the alarm prompting device comprises a display, the gearbox protection instruction comprises a manual shutdown prompting instruction, and the display is used for receiving and displaying the manual shutdown prompting instruction sent by the controller when the real-time temperature of the gearbox exceeds a preset temperature threshold value.
In one embodiment, the controller is further used for detecting whether the engine is shut down within a first preset time range after the manual stop prompting instruction is sent out;
the controller is also configured to control the engine to reduce the speed of rotation when the engine is not turned off for the first predetermined time.
In one embodiment, the controller is further configured to detect whether the engine is turned off within a second preset time, and the controller is further configured to control the engine to stop by itself when the engine is not turned off within the second preset time.
In addition, a gearbox protection method is also provided, and comprises the following steps:
receiving an electric signal of the real-time temperature of the gearbox, which is uploaded by a temperature sensor through an electric slip ring;
judging whether the real-time temperature of the gearbox exceeds a preset temperature threshold value or not according to the electric signal;
and when the real-time temperature of the gearbox exceeds a preset temperature threshold value, generating a gearbox protection instruction and sending the gearbox protection instruction to an alarm prompting device.
In one embodiment, the alarm prompting device comprises an alarm, and the gearbox protection instruction comprises a gearbox high-temperature alarm instruction;
and when the real-time temperature of the gearbox exceeds a preset temperature threshold value, sending a gearbox high-temperature alarm instruction to an alarm to alarm.
In one embodiment, the alarm prompting device comprises a display, and the gearbox protection instruction comprises a manual shutdown prompting instruction;
and when the real-time temperature of the gearbox exceeds a preset temperature threshold value, sending a manual shutdown prompt instruction to a display for displaying.
In one embodiment, after a manual shutdown prompting instruction is sent out, whether the engine is shut down within a first preset time range is detected;
and when the engine is not turned off within the first preset time, controlling the engine to reduce the rotating speed.
In addition, still provide an excavator, the excavator adopts above-mentioned gearbox protection system.
Above-mentioned gearbox protection system, including temperature sensor, the electric slip ring, warning suggestion device and controller, temperature sensor sets up and is connected with the controller through the electric slip ring in gearbox outside surface, temperature sensor is used for acquireing gearbox real-time temperature and changes into the signal of telecommunication, the electric slip ring is used for sending the signal of telecommunication to the controller, the controller is used for judging whether gearbox real-time temperature surpasses according to the signal of telecommunication and predetermines the temperature threshold value, when gearbox real-time temperature surpasses and predetermines the temperature threshold value, the controller generates gearbox protection instruction and sends to warning suggestion device, can obtain the temperature information of gearbox in real time, thereby can be timely when the gearbox high temperature appears and produce gearbox protection instruction, thereby realize the real-time protection to the gearbox.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
FIG. 1 is a block diagram of a transmission protection system according to an embodiment of the present invention;
FIG. 2 is a block diagram of an alarm notification device according to an embodiment of the present invention;
FIG. 3 illustrates a transmission protection method according to an embodiment of the present invention;
FIG. 4 is a transmission protection method according to another embodiment of the present invention;
fig. 5 illustrates a transmission protection method according to another embodiment of the present invention.
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.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Various embodiments of the present disclosure will be described more fully hereinafter. The present disclosure is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit the various embodiments of the disclosure to the specific embodiments disclosed herein, but rather, the disclosure is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of the various embodiments of the disclosure.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Fig. 1 is a block diagram illustrating a transmission protection system 100 according to an embodiment, where the transmission protection system 100 includes: the temperature sensor 110 is arranged on the outer side surface of the gearbox and is connected with the controller 140 through the electric slip ring 120.
The temperature sensor 110 is used for acquiring the real-time temperature of the gearbox and converting the real-time temperature into an electric signal;
the controller 140 is configured to determine whether the real-time temperature of the transmission exceeds a preset temperature threshold according to the electrical signal;
when the real-time temperature of the gearbox exceeds the preset temperature threshold, the controller 140 generates a gearbox protection instruction and sends the gearbox protection instruction to the alarm prompting device 130.
The temperature sensor 110 is disposed on the outer surface of the transmission case, and is simple and easy to implement, and is beneficial to rapidly obtaining the real-time temperature of the transmission case, so that the controller 140 can accurately determine and generate a transmission case protection instruction and send the transmission case protection instruction to the alarm prompting device 130.
Above-mentioned gearbox protection system 100, including temperature sensor 110, electric slip ring 120, warning suggestion device 130 and controller 140, temperature sensor 110 sets up in gearbox outside surface and is connected with controller 140 through electric slip ring 120, temperature sensor 110 is used for acquireing the real-time temperature of gearbox and changes into the signal of telecommunication, electric slip ring 120 is used for sending the signal of telecommunication to controller 140, controller 140 is used for judging whether the real-time temperature of gearbox exceeds preset temperature threshold according to the signal of telecommunication, when the real-time temperature of gearbox exceeds preset temperature threshold, controller 140 generates gearbox protection instruction and sends to warning suggestion device 130, can obtain the temperature information of gearbox in real time, thereby can timely production gearbox protection instruction when the gearbox appears high temperature, thereby realize the real-time protection to the gearbox.
In one embodiment, the alarm prompting device 130 includes an alarm, and the transmission protection command includes a transmission high-temperature alarm command, and the alarm is configured to receive the transmission high-temperature alarm command sent by the controller 140 to prompt an alarm when the real-time temperature of the transmission exceeds a preset temperature threshold.
The alarm is arranged inside the alarm prompting device 130, the alarm generally adopts a light alarm and/or a sound alarm, the gearbox protection instruction comprises a gearbox high-temperature alarm instruction, when the real-time temperature of the gearbox exceeds a preset temperature threshold value, the alarm receives the gearbox high-temperature alarm instruction sent by the controller 140, and alarm prompting is carried out through the light alarm and/or the sound alarm.
Through the inside alarm that is provided with of warning suggestion device 130, be favorable to user or driver to quick high temperature alarm information who obtains the gearbox to take corresponding measure, in order to avoid the gearbox to be in the high temperature state for a long time, avoid causing the gearbox to damage.
In one embodiment, the alarm prompting device 130 includes a display, and the transmission protection instruction includes a manual shutdown prompting instruction, and the display is further configured to receive and display the manual shutdown prompting instruction sent by the controller 140 when the real-time temperature of the transmission exceeds a preset temperature threshold.
The alarm prompting device 130 is provided with a display inside, the display is generally arranged in front of a user or a driver, the gearbox protection instruction comprises a manual shutdown prompting instruction, and when the real-time temperature of the gearbox exceeds a preset temperature threshold value, the display receives and displays the manual shutdown prompting instruction sent by the controller 140.
Through setting up the display in warning suggestion device 130 inside, can make user or driver quick acquisition manual shutdown suggestion instruction to take corresponding manual shutdown measure, be in high temperature state for a long time with the gearbox, avoid causing the gearbox to damage.
In one embodiment, as shown in fig. 2, the warning prompting device 130 includes a display 132 and an alarm 134, the display 132 and the alarm 134 are respectively connected to the controller 140, the transmission protection instruction includes a manual shutdown prompting instruction and a transmission high temperature warning instruction, when the real-time temperature of the transmission exceeds a preset temperature threshold, the controller 140 sends the manual shutdown prompting instruction to the display 132 for display, and sends the transmission high temperature warning instruction to the alarm 134 for warning prompting through a light alarm and/or an audible alarm.
Through setting up display 132 and alarm 134 simultaneously in warning suggestion device 130 inside, can make user or driver quick acquire the high temperature alarm information of gearbox, give user or driver through display 132 simultaneously and indicate instruction information with manual shut down to make the user faster take corresponding manual shut down and indicate instruction measure, in order to avoid the gearbox to be in the high temperature state for a long time, avoid causing the gearbox to damage.
In one embodiment, the controller 140 is further configured to detect whether the engine is shut down within a first preset time range after the manual shutdown prompt is issued.
When the display 132 displays the manual stop instruction information, it is generally necessary to give the user or operator a suitable response time to execute the manual stop instruction, where the time is generally referred to as a first preset time, and after the controller 140 issues the manual stop instruction, it further detects whether the engine is turned off within the first preset time range.
The controller 140 is also configured to control the engine to reduce the speed when the engine is not turned off for the first predetermined time.
Due to carelessness of a user or an operator, the manual stop prompt instruction may not be executed within the first preset time, the engine is not turned off within the first preset time, and at this time, the controller 140 needs to further control the engine to reduce the rotation speed so as to reduce the torque output, so that the gearbox can be protected to a certain extent.
In one embodiment, the controller 140 is further configured to control the engine to stop by itself when the engine is not turned off within the second preset time.
The controller 140 is further configured to detect whether the engine is turned off within a second preset time when the engine is not turned off within the first preset time due to carelessness of a user or an operator, and control the engine to be automatically stopped when the engine is not turned off within the second preset time.
Through setting up the second preset time, can ensure that the engine is shut down by oneself to realize the protection to the gearbox.
Further, as shown in fig. 3, there is also provided a transmission protection method including:
and step S210, receiving an electric signal of the real-time temperature of the gearbox, which is uploaded by the temperature sensor through the electric slip ring.
And step S220, judging whether the real-time temperature of the gearbox exceeds a preset temperature threshold value according to the electric signal.
And step S230, when the real-time temperature of the gearbox exceeds a preset temperature threshold, generating a gearbox protection instruction and sending the gearbox protection instruction to an alarm prompting device.
In one embodiment, the alarm prompting device comprises an alarm, the transmission protection command comprises a transmission high-temperature alarm command, and the step S230 comprises:
and when the real-time temperature of the gearbox exceeds a preset temperature threshold value, sending a gearbox high-temperature alarm instruction to an alarm to alarm.
In one embodiment, the warning prompt device includes a display, the transmission protection command includes a manual shutdown prompt command, and step S230 includes:
and when the real-time temperature of the gearbox exceeds a preset temperature threshold value, sending a manual shutdown prompt instruction to a display for displaying.
In one embodiment, as shown in fig. 4, the method further includes:
step S240, after the manual shutdown prompt command is issued, detecting whether the engine is shut down within a first preset time range.
And step S250, controlling the engine to reduce the rotating speed when the engine is not turned off within the first preset time.
In one embodiment, as shown in fig. 5, the method further includes:
step S260, detecting whether the engine is turned off within a second preset time range.
And step S270, when the engine is not turned off within the second preset time, the controller controls the engine to automatically stop.
In addition, still provide an excavator, the excavator adopts above-mentioned gearbox protection system.
In one embodiment, the excavator is an excavator.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative and, for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part of the technical solution that contributes to the prior art in essence can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a smart phone, a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (6)
1. A transmission protection system, comprising: the temperature sensor is arranged on the outer side surface of the gearbox and is connected with the controller through the electric slip ring;
the temperature sensor is used for acquiring the real-time temperature of the gearbox and converting the real-time temperature into an electric signal;
the electric slip ring is used for sending the electric signal to the controller;
the controller is used for judging whether the real-time temperature of the gearbox exceeds a preset temperature threshold value according to the electric signal;
when the real-time temperature of the gearbox exceeds a preset temperature threshold value, the controller generates a gearbox protection instruction and sends the gearbox protection instruction to the alarm prompting device;
the alarm prompting device comprises a display, the gearbox protection instruction comprises a manual shutdown prompting instruction, and the display is used for receiving and displaying the manual shutdown prompting instruction sent by the controller when the real-time temperature of the gearbox exceeds a preset temperature threshold;
the controller is also used for detecting whether the engine is closed within a first preset time range or not after the manual shutdown prompt instruction is sent out;
when the engine is not turned off within the first preset time, the controller is also used for controlling the engine to reduce the rotating speed.
2. The gearbox protection system according to claim 1, wherein the alarm prompting device comprises an alarm, the gearbox protection instruction comprises a gearbox high-temperature alarm instruction, and the alarm is used for receiving the gearbox high-temperature alarm instruction sent by the controller to alarm when the real-time temperature of the gearbox exceeds a preset temperature threshold value.
3. The transmission protection system of claim 1, wherein the controller is further configured to detect whether an engine is turned off within a second predetermined time, the controller further configured to control the engine to stop by itself when the engine is not turned off within the second predetermined time.
4. A transmission protection method, characterized by comprising:
receiving an electric signal of the real-time temperature of the gearbox, which is uploaded by a temperature sensor through an electric slip ring;
judging whether the real-time temperature of the gearbox exceeds a preset temperature threshold value or not according to the electric signal;
when the real-time temperature of the gearbox exceeds a preset temperature threshold, generating a gearbox protection instruction and sending the gearbox protection instruction to an alarm prompting device, wherein the alarm prompting device comprises a display, and the gearbox protection instruction comprises a manual shutdown prompting instruction;
when the real-time temperature of the gearbox exceeds a preset temperature threshold value, sending the manual shutdown prompt instruction to the display for displaying;
after the manual shutdown prompting instruction is sent out, detecting whether the engine is shut down within a first preset time range;
controlling the engine to reduce the rotation speed when the engine is not turned off within the first preset time.
5. The transmission protection method according to claim 4, wherein the alarm prompting device comprises an alarm, and the transmission protection command comprises a transmission high temperature alarm command;
and when the real-time temperature of the gearbox exceeds a preset temperature threshold value, sending a gearbox high-temperature alarm instruction to the alarm to alarm.
6. An excavator, wherein the excavator employs the transmission protection system of any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579009.5A CN110332303B (en) | 2019-06-28 | 2019-06-28 | Gearbox protection system and method and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579009.5A CN110332303B (en) | 2019-06-28 | 2019-06-28 | Gearbox protection system and method and excavator |
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| CN110332303A CN110332303A (en) | 2019-10-15 |
| CN110332303B true CN110332303B (en) | 2020-11-03 |
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| CN201910579009.5A Active CN110332303B (en) | 2019-06-28 | 2019-06-28 | Gearbox protection system and method and excavator |
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| CN111535392A (en) * | 2020-05-08 | 2020-08-14 | 三一重机有限公司 | Walking control method and walking control device for wheel type excavator and wheel type excavator |
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| CN202074015U (en) * | 2011-05-24 | 2011-12-14 | 庄河市天成机械有限公司 | Self-protecting gearbox |
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| CN204851453U (en) * | 2015-07-27 | 2015-12-09 | 无锡硕卓电气科技有限公司 | Take controller of CAN bus |
| CN207349403U (en) * | 2017-08-01 | 2018-05-11 | 新昌县澄潭镇科创机械配件厂 | A kind of gearbox of new-energy automobile |
| CN108591448A (en) * | 2018-07-12 | 2018-09-28 | 盛瑞传动股份有限公司 | Automatic gear-box guard method and automatic gear-box |
| CN208085587U (en) * | 2018-04-21 | 2018-11-13 | 朱海恋 | A kind of speed change control equipment for electric automobile |
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2019
- 2019-06-28 CN CN201910579009.5A patent/CN110332303B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716134A (en) * | 1995-02-13 | 1998-02-10 | Mercedes Benz Ag | Device for detecting the temperature of a gearbox |
| CN202074015U (en) * | 2011-05-24 | 2011-12-14 | 庄河市天成机械有限公司 | Self-protecting gearbox |
| CN104315126A (en) * | 2014-09-02 | 2015-01-28 | 潘树东 | Gear reducer box with temperature alarm |
| CN204851453U (en) * | 2015-07-27 | 2015-12-09 | 无锡硕卓电气科技有限公司 | Take controller of CAN bus |
| CN207349403U (en) * | 2017-08-01 | 2018-05-11 | 新昌县澄潭镇科创机械配件厂 | A kind of gearbox of new-energy automobile |
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| CN110332303A (en) | 2019-10-15 |
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