CN115931094A - Mine car weighing system and mine car weighing method - Google Patents
Mine car weighing system and mine car weighing method Download PDFInfo
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- CN115931094A CN115931094A CN202211700881.9A CN202211700881A CN115931094A CN 115931094 A CN115931094 A CN 115931094A CN 202211700881 A CN202211700881 A CN 202211700881A CN 115931094 A CN115931094 A CN 115931094A
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides a mine car weighing system and a mine car weighing method, and relates to the technical field of weighing. This mine car weighing system includes: a pressure sensor for detecting the pressure of a container in the mine car; the inclinometer is used for detecting the inclination angle of a container in the mine car; the display unit is used for displaying the loading capacity of the mine car in real time; the alarm is used for sending out an alarm prompt; and the main control unit is electrically connected with the pressure sensor, the inclinometer, the alarm and the display unit. After the self-checking of the mine car weighing system is controlled, if the mine car weighing system breaks down, the control alarm gives an alarm, so that the mine car weighing system has self-checking and alarming functions, and the running safety of the whole car is improved. If the mine car weighing system does not break down, according to the initial pressure of mine car packing box, the main control unit carries out data analysis, has data statistics's function, and the main control unit control shows at the display element, has external communication function, and is functional strong.
Description
Technical Field
The invention relates to the technical field of weighing in general, and particularly relates to a mine car weighing system and a mine car weighing method.
Background
At present, large mining dump trucks are generally adopted for loading, unloading and transporting ore materials such as earthwork, sand, bulk materials and the like in domestic large strip mines. The mining dump truck has strong transportation capacity and good stability, and is suitable for large-scale mine field operation.
Because the loading capacity of the mine car is limited, the weight of mineral aggregate loaded each time needs to be determined so as to carry out loading statistics on the mineral aggregate, but the mine car is large in size and heavy in mass, the traditional wagon balance is inconvenient to use, and whether the goods are fully loaded or overloaded each time is difficult to determine. Meanwhile, the existing weighing system only has the function of displaying the weight of the goods in real time aiming at the load capacity of the mine car, has single function and is difficult to meet the diversified requirements of users.
Disclosure of Invention
The mine car weighing system and the mine car weighing method provided by the invention have strong functionality.
According to a first aspect of the invention there is provided a mine car weighing system comprising:
a pressure sensor for detecting the pressure of a container in the mine car;
the inclinometer is used for detecting the inclination angle of a container in the mine car;
the display unit is used for displaying the loading capacity of the mine car in real time;
the alarm is used for sending out an alarm prompt;
and the main control unit is electrically connected with the pressure sensor, the inclinometer, the alarm and the display unit.
In some of these embodiments, the pressure sensor is provided in a suspension cylinder provided in the suspension system of the mining vehicle.
According to a second aspect of the invention, there is also provided a method of weighing tramcars for controlling the tramcar weighing system described above, the method comprising the steps of:
controlling the tramcar weighing system to be powered on and started;
controlling a mine car weighing system to perform self-checking;
if the mine car weighing system has a fault, controlling an alarm to give an alarm;
if the mine car weighing system has no fault, acquiring the initial pressure of a mine car container and transmitting the initial pressure to the main control unit;
and according to the initial pressure of the mine car container, the main control unit analyzes data and controls the display unit to display the data.
In some embodiments, after the display unit displays, the method comprises the following steps:
the mine car executes a loading and unloading operation instruction to load and unload;
acquiring the actual loading weight of a container in the mine car;
comparing the actual load weight with a preset weight;
if the actual loading weight is greater than or equal to the preset weight, determining that the mine car performs the loading operation;
if the actual load weight is less than the predetermined weight, it is determined that the mine car is performing an unloading operation.
In some of these embodiments, the predetermined weight is 10% of the full load weight of the mine car.
In some of these embodiments, the step of obtaining the actual load weight of the container in the mine car comprises the steps of:
acquiring the current pressure of a container in the mine car;
and obtaining the actual loading weight of the container in the mine car according to the difference between the current pressure and the initial pressure of the container in the mine car.
In some embodiments, the method further comprises the following steps between displaying by the display unit and acquiring the current pressure of the container in the mine car:
locking the initial pressure of the mine car container;
after the mine car container executes the operation instruction, the initial pressure of the mine car container is controlled to unlock, and then the current pressure of the container in the mine car is obtained.
In some of these embodiments, between the initial pressure of locking the mine car container and the initial pressure of controlling the mine car container to unlock, the steps of:
detecting a gear signal or a loading brake signal of the mine car;
and if the gear of the mine car is neutral or the loading brake signal changes, controlling the initial pressure of the mine car container to unlock.
In some of these embodiments, between obtaining the actual load weight of the container in the mine car and comparing the actual load weight to the preset weight, the method includes the steps of:
detecting a gear signal or a loading brake signal of the mine car;
if the gear of the mine car is neutral or the load brake signal changes, the actual load weight is compared with the preset weight.
In some of these embodiments, after a change in the gear of the mine car to neutral or the load brake signal, the method includes the steps of:
acquiring a current inclination angle of the container;
if the current inclination angle of the container is within the preset in-place angle range, comparing the actual loading weight with the preset weight;
if the current inclination angle of the container exceeds the preset in-place angle range, the alarm gives out a warning and records illegal operation.
One embodiment of the present invention has the following advantages or benefits:
according to the mine car weighing system provided by the embodiment of the invention, the main control unit is electrically connected with the pressure sensor and the inclinometer, and the inclinometer transmits the detected inclination angle of the container to the main control unit for monitoring the posture of the container. The pressure sensor transmits the detected pressure of the container to the main control unit, the main control unit can analyze and store the data of the inclination angle and the pressure of the container and then transmit the data to the display unit, so that the display unit can display the data in real time, and the display unit can be placed on an external frame to allow external personnel in a mine field to observe the load data of the mine car in real time. The alarm is connected in the main control unit in an electricity mode, and the alarm is used for giving out an alarm prompt and increasing the safety of mine car operation. Compared with the prior art, the mine car weighing system provided by the embodiment can record the running data information of the mine car in detail and has the data recording and counting functions.
According to the mine car weighing method provided by the embodiment of the invention, after the mine car weighing system is controlled to perform self-checking, if the mine car weighing system fails, the alarm is controlled to give an alarm, so that the mine car weighing method has the self-checking and alarming functions, and the running safety of the whole car is improved. If the mine car weighing system does not break down, acquire the initial pressure of mine car packing box and transmit to the main control unit, according to the initial pressure of mine car packing box, the main control unit carries out data analysis, has data statistics's function, and main control unit control shows at the display element, has external communication function, and is functional strong.
Drawings
For a better understanding of the invention, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present invention. In addition, the relevant elements or components may be arranged differently as is known in the art. Further, in the drawings, like reference characters designate the same or similar parts throughout the several views. The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Wherein:
FIG. 1 is a schematic illustration of a mine car weighing system according to an embodiment of the invention;
FIG. 2 is a schematic diagram showing the configuration of a suspension cylinder in which the pressure sensor of the mine car weighing system of one embodiment of the invention is mounted;
FIG. 3 shows a first flow chart of a method of weighing a mine car according to an embodiment of the invention;
FIG. 4 is a flow chart of a method of weighing a mine car according to one embodiment of the invention;
FIG. 5 shows a third flowchart of a mine car weighing method according to an embodiment of the invention.
Wherein the reference numerals are as follows:
1. a pressure sensor; 2. an inclinometer; 3. a display unit; 4. an alarm; 5. a main control unit; 6. a wire harness integration unit; 10. and a suspension cylinder.
Detailed Description
The technical solutions in the exemplary embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the exemplary embodiments of the present invention. The exemplary embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, and it is, therefore, to be understood that various modifications and changes may be made to the exemplary embodiments without departing from the scope of the present invention.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, references to "the" object or "an" object are also intended to mean one of possibly multiple such objects.
The terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, an electrical connection, or a signal connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Further, in the description of the present invention, it should be understood that the terms of orientation such as "upper", "lower", "inside", "outside", and the like, which are described in the exemplary embodiments of the present invention, are described with respect to the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present invention. It will also be understood that, in the context of a connection between one element or feature and another element(s), "on," "under," or "inside" or "outside," it can be directly connected to the other element(s) "on," "under" or "inside" or "outside," or indirectly connected to the other element(s) "on," "under" or "inside" or "outside" through intervening elements.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
The embodiment provides a mine car weighing system, as shown in fig. 1, the mine car weighing system comprises a pressure sensor 1, an inclinometer 2, a display unit 3, an alarm 4 and a main control unit 5, wherein the pressure sensor 1 is used for detecting the pressure of a container in a mine car, the inclinometer 2 is used for detecting the inclination angle of the container in the mine car, the display unit 3 is used for displaying the load capacity of the mine car in real time, the alarm 4 is used for giving an alarm prompt, and the main control unit 5 is electrically connected with the pressure sensor 1, the inclinometer 2, the alarm 4 and the display unit 3.
In the mine car weighing system provided by this embodiment, the main control unit 5 is electrically connected to the pressure sensor 1 and the inclinometer 2, and the inclinometer 2 transmits the detected inclination angle of the container to the main control unit 5 for monitoring the posture of the container. The pressure sensor 1 transmits the detected container pressure to the main control unit 5, the main control unit 5 can analyze and store the data of the inclination angle and the pressure of the container and then transmit the data to the display unit 3, so that the display unit 3 can display the data in real time, and the display unit 3 can be placed on an external frame so as to allow personnel outside a mine field to observe the load data of the mine car in real time. The alarm 4 is connected in the main control unit 5 in electricity, and the alarm 4 is used for sending out the suggestion of reporting to the police, increases the security of mine car operation. Compared with the prior art, the mine car weighing system provided by the embodiment can record the running data information of the mine car in detail and has the data recording and counting functions.
It can be understood that the main control unit 5 is a core component and is responsible for processing data, and specifically includes a system configuration function, a data analysis function, a data recording function, a remote data communication function, a bus data communication function, and an alarm function.
In one embodiment, as shown in FIGS. 1-2, the pressure sensor 1 is located in a suspension cylinder 10, and the suspension cylinder 10 is located in the suspension system of the mine car.
The suspension cylinder 10 is arranged on a suspension system of the mine car, the pressure sensor 1 is arranged on the suspension cylinder 10, the suspension system can directly represent the load weight, the pressure sensor 1 can directly reflect the pressure born by the suspension cylinder 10, and the pressure measured by the pressure sensor 1 is only related to the nitrogen pressure in the suspension cylinder 10, so that the interference of other factors is small, and the detection accuracy is high. The pressure sensor 1 can be installed above the suspension cylinder 10, and the pressure value is converted into a current value of 4 mA-20 mA according to the relation that the pressure change in the suspension cylinder 10 corresponds to the change of the load weight, and the current value is transmitted to the main control unit 5 for data analysis.
It should be noted that the number of the pressure sensors 1 is four, and four pressure sensors 1 are mounted on the upper portions of four suspension cylinders 10, and transmit the pressure data of the four suspension cylinders 10 to the main control unit 5 for analysis and recording.
In one embodiment, as shown in fig. 1, the mine car weighing system further comprises a wire harness integration unit 6, the pressure sensor 1, the inclinometer 2, the display unit 3 and the alarm 4 are electrically connected to the main control unit 5 through the wire harness integration unit 6, the pressure of the container and the inclination angle data of the container are preliminarily integrated and then transmitted to the main control unit 5 through the wire harness integration unit 6 for data analysis, and corresponding analysis results are stored after the data analysis is completed and transmitted to the display unit 3 through the wire harness integration unit 6 for real-time display.
Wherein, the wiring harness integration unit 6 can be arranged under the walking board to ensure the aesthetic property of the wiring harness above the walking board.
The embodiment also provides a mine car weighing method for controlling the mine car weighing system, and the mine car weighing method comprises the following steps:
controlling the mine car weighing system to be powered on and started;
controlling a mine car weighing system to perform self-checking;
if the mine car weighing system has a fault, controlling the alarm 4 to give an alarm;
if the mine car weighing system has no fault, acquiring the initial pressure of a mine car container and transmitting the initial pressure to the main control unit 5;
according to the initial pressure of the mine car container, the main control unit 5 analyzes data and controls the display unit 3 to display the data.
According to the mine car weighing method provided by the embodiment, after the mine car weighing system is controlled to perform self-checking, if the mine car weighing system fails, the alarm 4 is controlled to give an alarm, so that the mine car weighing method has self-checking and alarming functions, and the running safety of the whole car is improved. If the mine car weighing system does not break down, acquire the initial pressure of mine car packing box and transmit to main control unit 5, according to the initial pressure of mine car packing box, main control unit 5 carries out data analysis, has data statistics's function, and main control unit 5 control shows at display element 3, has external communication function, and is functional strong.
As shown in FIG. 3, the method for weighing a mine car provided by the embodiment comprises the following specific steps:
s100, controlling a mine car weighing system to be electrified and started;
s101, controlling a mine car weighing system to perform self-inspection;
s102, judging whether the mine car weighing system has a fault, if so, executing S103, and if not, executing S104;
s103, controlling the alarm 4 to give an alarm;
s104, acquiring initial pressure of a container of the mine car and transmitting the initial pressure to the main control unit 5;
and S105, according to the initial pressure of the mine car container, the main control unit 5 analyzes data and controls the display unit 3 to display the data.
When the whole car is powered on, the mine car weighing system is powered on, firstly, the mine car weighing system is controlled to perform self-checking according to pre-configuration after the power is powered on so as to determine whether the mine car weighing system is damaged or not, if the mine car weighing system is detected to be missing or failed, the alarm 4 can send out corresponding alarm, after the failure of the mine car weighing system is relieved, the mine car weighing system operates normally, data analysis is performed according to the pressure of a container detected by the pressure sensor 1, and the data is displayed on the display unit 3.
In one embodiment, after the display unit 3 performs the display, the following steps are included:
the mine car executes a loading and unloading operation instruction to load and unload;
acquiring the actual loading weight of a container in the mine car;
comparing the actual load weight with a preset weight;
if the actual loading weight is more than or equal to the preset weight, determining that the mine car executes the loading operation;
if the actual load weight is less than the predetermined weight, it is determined that the mine car is performing an unloading operation.
The mine car is loaded or unloaded after executing the loading and unloading command, after the actual loading weight of the container is obtained, the actual loading weight is compared with the preset weight, if the actual loading weight is larger than or equal to the preset weight, the mineral aggregate in the container is in a gradually increasing trend, and at the moment, the mine car can be determined to execute the loading operation; if the actual load weight is less than the predetermined weight, meaning that mineral material in the cargo box is in a decreasing trend, it may be determined that the mine car is performing an unloading operation.
Wherein the preset weight is 10% of the full load weight of the mine car.
By using the preset weight as 10% of the full load weight of the mine car and using the full load weight of the mine car as a measurement standard, the reaction sensitivity is good and the intuition is good.
Specifically, the step of obtaining the actual loading weight of the container in the mine car comprises the following steps:
acquiring the current pressure of a container in the mine car;
and obtaining the actual loading weight of the container in the mine car according to the difference between the current pressure and the initial pressure of the container in the mine car.
The pressure sensor 1 is used for detecting the pressure of the container, and the difference between the current pressure and the initial pressure of the container in the mine car is the weight difference between the container before and after loading and unloading, so that the actual loading weight of the container can be obtained, the operation is simple, and the use is convenient.
In one embodiment, the method further comprises the following steps between the display unit 3 displaying and acquiring the current pressure of the container in the mine car:
locking the initial pressure of the mine car container;
after the mine car container executes the operation instruction, the initial pressure of the mine car container is controlled to unlock, and then the current pressure of the container in the mine car is obtained.
After the initial pressure of a container in the mine car is obtained, the initial pressure is locked so as to prevent the pressure of the suspension cylinder 10 from changing due to bumping of the mine car in the process of running, and therefore the accuracy of the actual loading weight of the final data is guaranteed. Before the current pressure of a container in the mine car is obtained, the initial pressure is unlocked, and the actual loading weight can be accurately calculated while the current pressure of the container is not influenced and is normally updated.
In one embodiment, between the initial pressure of locking the mine car container and the initial pressure of controlling the mine car container to unlock, the method includes the steps of:
detecting a gear signal or a loading brake signal of the mine car;
and if the gear position of the mine car is the neutral position or the loading brake signal changes, controlling the initial pressure of the mine car container to unlock.
If the mine car is moved to the loading and unloading position, the driver can be in neutral and apply the loading brake, and the mine car weighing system can receive the voltage change of 0-24V, then start to record the time and unlock the initial pressure of the mine car container, and display the actual loading weight in real time. The starting time for loading and unloading can be quickly and accurately determined by using the gear signal or the loading brake signal of the mine car.
It will be appreciated that the gear signal or load brake signal of the mine car may be detected before the current pressure in the container of the mine car is obtained; if the gear position of the mine car is neutral or the loading brake signal changes, the current pressure of a container in the mine car is obtained. The gear signal or the loading brake signal of the mine car can be utilized to quickly and accurately determine the loading and unloading end time so as to ensure the detection accuracy of the current pressure of the container.
As shown in FIG. 4, the method for weighing a mine car provided by the embodiment comprises the following specific steps:
s100, controlling a mine car weighing system to be electrified and started;
s101, controlling a mine car weighing system to perform self-inspection;
s102, judging whether the mine car weighing system has a fault, if so, executing S103, and if not, executing S104;
s103, controlling the alarm 4 to give an alarm;
s104, acquiring initial pressure of a container of the mine car and transmitting the initial pressure to the main control unit 5;
s105, according to the initial pressure of the mine car container, the main control unit 5 analyzes data and controls the display unit 3 to display the data;
s20, locking the initial pressure of a container of the mine car;
s200, judging whether the gear of the mine car is a neutral gear or the loading brake signal changes, if so, executing S201, and if not, returning to S20;
s201, controlling initial pressure of a mine car container to unlock;
s202, recording unlocking time;
s203, acquiring the current pressure of a container in the mine car and analyzing data;
s204, displaying the analysis data in real time;
s205, judging whether the gear of the mine car is neutral or the loading brake signal changes, if so, executing S206, otherwise, returning to S203;
s206, judging whether the difference between the current pressure and the initial pressure of a container in the mine car is more than or equal to 10% of the full load weight of the mine car, if so, executing S207, otherwise, executing S208;
s207, determining that the mine car executes the loading operation, and returning to S20;
s208, determining that the mine car carries out unloading operation, and returning to S20.
When the whole car is powered on, the mine car weighing system is powered on, firstly, the mine car weighing system is controlled to perform self-checking according to pre-configuration after the power is powered on so as to determine whether the mine car weighing system is damaged or not, if the mine car weighing system is detected to be missing or failed, the alarm 4 can send out corresponding alarm, after the failure of the mine car weighing system is relieved, the mine car weighing system operates normally, data analysis is performed according to the pressure of a container detected by the pressure sensor 1, and the data is displayed on the display unit 3.
The initial pressure of the cargo box is then locked against changes in the suspension cylinder 10 pressure caused by jounce during travel of the mine car, thereby causing a change in the initial pressure. If the mine car travels to the loading position, the driver can hang the neutral position and apply the loading brake, the weighing system can receive the voltage change of 0-24V at the moment, the time and the unlocking data value are recorded, the loading quality is displayed in real time, the driver hangs the neutral position and releases the loading brake after the loading is finished, the weighing system can receive the voltage change of 24V-0, the operation can be judged as the loading operation if the difference between the current pressure and the initial pressure of a container in the mine car is more than or equal to 10% of the full load weight of the mine car at the moment, the operation is recorded, and the data value is locked. If the mine car travels to the unloading position, the driver can hang the neutral position and apply the loading brake, the weighing system can receive the voltage change of 0-24V at the moment, the time and the unlocking data value are recorded, the loading quality is displayed in real time, the driver hangs the neutral position and releases the loading brake after the unloading is completed, the weighing system can receive the voltage change of 24V-0, the operation can be judged as the unloading operation if the difference between the current pressure and the initial pressure of a container in the mine car is less than 10% of the full load weight of the mine car at the moment, the operation is recorded and the data value is locked.
In one embodiment, after the change in the gear of the mine car to neutral or the load brake signal, the method includes the steps of:
acquiring a current inclination angle of the container;
if the current inclination angle of the container is within the preset in-place angle range, comparing the actual loading weight with the preset weight;
if the current inclination angle of the container exceeds the preset in-place angle range, the alarm 4 gives a warning and records illegal operation.
Specifically, the current inclination angle of the container can be detected by using the inclinometer 2, and if the current inclination angle of the container exceeds the preset in-place angle range, the container does not fall into place, and the alarm 4 gives out a warning and records illegal operation, so that the container can finally fall into place. If the current inclination angle of the container is within the preset in-place angle range, the container is in place, and then the actual loading weight and the preset weight are compared, so that the accuracy of judgment is guaranteed.
As shown in FIG. 5, the method for weighing a mine car provided by the embodiment comprises the following specific steps:
s100, controlling a mine car weighing system to be electrified and started;
s101, controlling a mine car weighing system to perform self-inspection;
s102, judging whether the mine car weighing system has a fault, if so, executing S103, and if not, executing S104;
s103, controlling the alarm 4 to give an alarm;
s104, acquiring initial pressure of a container of the mine car and transmitting the initial pressure to the main control unit 5;
s105, according to the initial pressure of the mine car container, the main control unit 5 analyzes data and controls the display unit 3 to display the data;
s20, locking the initial pressure of a container of the mine car;
s200, judging whether the gear of the mine car is a neutral gear or the loading brake signal changes, if so, executing S201, and if not, returning to S20;
s201, controlling initial pressure of a mine car container to unlock;
s202, recording unlocking time;
s203, acquiring the current pressure of a container in the mine car and analyzing data;
s204, displaying the analysis data in real time;
s205, judging whether the gear of the mine car is neutral or the loading brake signal changes, if so, executing S300, and if not, returning to S203;
s300, acquiring the current inclination angle of the container;
s301, judging whether the current inclination angle of the container is within a preset in-place angle range, if so, executing S302, and if not, executing S305;
s302, judging whether the difference between the current pressure and the initial pressure of a container in the mine car is more than or equal to 10% of the full load weight of the mine car, if so, executing S303, and if not, executing S304;
s303, determining that the mine car executes the loading operation, and returning to S20;
s304, determining that the mine car executes unloading operation, and returning to S20;
and S305, the alarm 4 gives out a warning and records the illegal operation, and returns to S203.
When the whole car is powered on, the mine car weighing system is powered on, firstly, the mine car weighing system is controlled to perform self-checking according to pre-configuration after the power is powered on so as to determine whether the mine car weighing system is damaged or not, if the mine car weighing system is detected to be missing or failed, the alarm 4 can send out corresponding alarm, after the failure of the mine car weighing system is relieved, the mine car weighing system operates normally, data analysis is performed according to the pressure of a container detected by the pressure sensor 1, and the data is displayed on the display unit 3.
The initial pressure of the cargo box is then locked against changes in the suspension cylinder 10 pressure caused by jounce during travel of the mine car, thereby causing a change in the initial pressure. If the mine car travels to the loading position, the driver can hang the neutral position and apply the loading brake, at the moment, the weighing system can receive the voltage change of 0-24V, start to record time and unlock a data value, display the loading quality in real time, when the loading is finished, the driver hangs the neutral position and releases the loading brake, the weighing system can receive the voltage change of 24V-0,
at the moment, the inclinometer 2 detects the current inclination angle of the container, judges whether the container is in place, and sends out a warning and records illegal operation if the container is not in place. The driver applies neutral gear again and applies load brake, the tramcar weighing system records data normally, when the driver considers that neutral gear is engaged and load brake is released after loading is completed again, the weighing system receives voltage change of 24V-0, if the inclinometer 2 detects that the container is in place at the moment, if the difference between the current pressure and the initial pressure of the container in the tramcar is more than or equal to 10% of the full load weight of the tramcar at the moment, the operation can be judged as loading operation, the operation is recorded and the data value is locked.
If the mine car moves to the unloading position, a driver can hang the neutral position and apply loading brake, at the moment, a weighing system of the mine car can receive the voltage change of 0-24V, time recording and data value unlocking are started, the loading quality is displayed in real time, when the driver thinks that the unloading is finished, the neutral position can be hung and the loading brake is released, the weighing system can receive the voltage change of 24V-0, at the moment, an inclinometer 2 can detect the current inclination angle of a container, whether the container is in place or not is judged, and if the container is not in place, an alarm 4 gives out an alarm and records illegal operation. The driver applies neutral gear again and applies load brake, the tramcar weighing system records data normally, when the driver considers neutral gear is engaged and load brake is released after unloading is finished again, the tramcar weighing system receives voltage change of 24V-0, if the inclinometer 2 detects that the container is in place at the moment, if the difference between the current pressure and the initial pressure of the container in the tramcar is less than 10% of the full load weight of the tramcar, the operation can be judged as unloading operation, the operation is recorded and the data value is locked.
The mine car weighing method provided by the invention can adopt different configuration modes according to different requirements of users so as to achieve different function expansion, and the problem that the conventional mine car weighing system does not have the function of data statistics capability and simultaneously enhances the safety of the mine car is solved.
It should be noted herein that the mine car weighing system illustrated in the drawings and described in the specification is only one example of the application of the principles of the invention. It will be clearly understood by those skilled in the art that the principles of the present invention are not limited to any of the details or any of the components of the apparatus shown in the drawings or described in the specification.
It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the description. The invention is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute alternative aspects of the present invention. The embodiments set forth herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the invention is only limited by the appended patent claims.
Claims (10)
1. A mine car weighing system, comprising:
a pressure sensor for detecting the pressure of a container in the mine car;
the inclinometer is used for detecting the inclination angle of a container in the mine car;
the display unit is used for displaying the loading capacity of the mine car in real time;
the alarm is used for sending out an alarm prompt;
and the main control unit is electrically connected with the pressure sensor, the inclinometer, the alarm and the display unit.
2. The mine car weighing system of claim 1, wherein the pressure sensor is provided in a suspension cylinder provided in a suspension system of the mine car.
3. A method of weighing tramcars for controlling the system of any one of claims 1 to 2, the method comprising the steps of:
controlling the tramcar weighing system to be powered on and started;
controlling a mine car weighing system to perform self-checking;
if the mine car weighing system has a fault, controlling an alarm to give an alarm;
if the mine car weighing system has no fault, acquiring the initial pressure of a mine car container and transmitting the initial pressure to the main control unit;
and according to the initial pressure of the mine car container, the main control unit analyzes data and controls the display unit to display the data.
4. A method for weighing a mine car according to claim 3, characterised in that it comprises, after the display unit has performed the display, the following steps:
the mine car executes a loading and unloading operation instruction to load and unload;
acquiring the actual loading weight of a container in the mine car;
comparing the actual load weight with a preset weight;
if the actual loading weight is greater than or equal to the preset weight, determining that the mine car performs the loading operation;
if the actual load weight is less than the predetermined weight, it is determined that the mine car is performing an unloading operation.
5. A method for weighing a mining vehicle according to claim 4, wherein the predetermined weight is 10% of the full load weight of the mining vehicle.
6. The method of claim 3, wherein the step of obtaining the actual load weight of the container in the mine car comprises the steps of:
acquiring the current pressure of a container in the mine car;
and obtaining the actual loading weight of the container in the mine car according to the difference between the current pressure and the initial pressure of the container in the mine car.
7. The mine car weighing method of claim 6, further comprising the steps of, between displaying on the display unit and obtaining the current pressure of the container in the mine car:
locking the initial pressure of the mine car container;
after the mine car container executes the operation instruction, the initial pressure of the mine car container is controlled to unlock, and then the current pressure of the container in the mine car is obtained.
8. The mine car weighing method of claim 7, wherein between the initial pressure of locking the mine car container and the initial pressure of controlling the mine car container to unlock, the method includes the steps of:
detecting a gear signal or a loading brake signal of the mine car;
and if the gear of the mine car is neutral or the loading brake signal changes, controlling the initial pressure of the mine car container to unlock.
9. The method of claim 8, wherein between obtaining the actual load weight of the container in the mine car and comparing the actual load weight to the predetermined weight, the method includes the steps of:
detecting a gear signal or a loading brake signal of the mine car;
if the gear of the mine car is neutral or the load brake signal changes, the actual load weight is compared to the preset weight.
10. A method of weighing a mine car according to claim 9, characterised in that it comprises the following steps, after the neutral position of the mine car or a change in the load brake signal has occurred:
acquiring a current inclination angle of the container;
if the current inclination angle of the container is within the preset in-place angle range, comparing the actual loading weight with the preset weight;
and if the current inclination angle of the container exceeds the preset in-place angle range, the alarm gives a warning and records illegal operation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211700881.9A CN115931094A (en) | 2022-12-28 | 2022-12-28 | Mine car weighing system and mine car weighing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211700881.9A CN115931094A (en) | 2022-12-28 | 2022-12-28 | Mine car weighing system and mine car weighing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553890A (en) * | 2024-01-12 | 2024-02-13 | 三一重型装备有限公司 | Dynamic weighing method and device for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553890A (en) * | 2024-01-12 | 2024-02-13 | 三一重型装备有限公司 | Dynamic weighing method and device for vehicle |
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