Automatic lubrication control method, device, equipment and system and storage medium

Abstract

The invention discloses a control method, device, equipment and system for automatic lubrication and a storage medium. The control method comprises the steps that current working current is obtained from a current detection device; comparing the current working current with a preset current threshold value; when the current working current is greater than a preset current threshold value, starting timing of the duration; when the current working current is not greater than a preset current threshold value, stopping timing the duration in a state of timing the duration; when the duration reaches a preset duration threshold value, signals for starting detection are sent to a plurality of detection devices respectively; respectively acquiring current detection information from the plurality of detection devices; judging whether the to-be-lubricated equipment operates normally or not according to the current detection information; when it is judged that the to-be-lubricated equipment operates normally, a lubrication starting signal is sent to a lubrication execution device; and when it is judged that the to-be-lubricated equipment does not operate normally, an alarm signal is sent to an alarm device. The lubricating device is beneficial for improving the lubricating effect.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic lubrication, and in particular to a control method, device, equipment, system and storage medium for automatic lubrication. Background Art

[0002] With the development of industrialization and automation of production, a large number of mechanized equipment and automated equipment are widely used. After a long period of operation, mechanized equipment or automated equipment generally needs maintenance and care. Common methods of maintenance and care include adding lubricants to mechanized equipment or automated equipment, which helps to ensure the stability of equipment operation. Since a long time interval between two consecutive additions of lubricants will cause equipment wear, a short time interval between two consecutive additions of lubricants will cause lubricant waste, and in some equipment, the presence of too much grease on the equipment will affect the process quality, so the time interval between two consecutive additions of lubricants is very important.

[0003] At present, automatic lubrication has become a development trend, replacing manual lubrication to a large extent, and helping to improve work efficiency. In the existing automatic lubrication, a fixed lubrication cycle is set based on the equipment running time or number of cycles, that is, after the equipment runs to the set running time or number of cycles, the automatic lubrication device performs lubrication once. However, there are many variables in the operation of the equipment, such as load, ambient temperature, speed, etc. When these variables change, the fixed lubrication cycle previously set based on the running time or number of cycles will deviate from the actual demand, resulting in poor lubrication effect, causing equipment wear or affecting process quality due to excessive lubrication. Summary of the invention

[0004] To solve at least one aspect of the above problems, the present invention provides a control method for automatic lubrication, comprising the following steps: obtaining a current working current from a current detection device of a driving unit in a device to be lubricated; comparing the current working current with a preset current threshold; starting the timing of the duration when the current working current is greater than the preset current threshold; and in the duration timing state, stopping the timing of the duration when the current working current is not greater than the preset current threshold; sending a signal to start detection to several detection devices of the device to be lubricated when the current working current is greater than the preset current threshold and the duration reaches the preset duration threshold; obtaining current detection information from several detection devices of the device to be lubricated; judging whether the device to be lubricated is operating normally based on several current detection information; when judging that the device to be lubricated is operating normally, sending a signal to start lubrication to a lubrication execution device; when judging that the device to be lubricated is not operating normally, sending an alarm signal to an alarm device.

[0005] Preferably, the method further includes the following steps: when a signal to start lubrication is sent to the lubrication actuator, the timing of the interval duration is started; when it is determined that the equipment to be lubricated is not operating normally, the interval duration is compared with a preset interval duration threshold; when the interval duration reaches the preset interval duration threshold, a signal to start lubrication is sent to the lubrication actuator.

[0006] Preferably, the following steps are also included: judging whether several working parameters in the current detection information are within the corresponding preset range under the corresponding working conditions; judging that the equipment to be lubricated is not operating normally when there are working parameters in the current detection information that are not within the corresponding preset range; judging that the equipment to be lubricated is operating normally when several working parameters in the current detection information are respectively within the corresponding preset range.

[0007] The present application also provides an automatic lubrication control device, the device comprising: a first receiving module, configured to obtain a current working current from a current detection device of a driving unit in a lubricated device; a first comparing module, configured to compare the current working current with a preset current threshold; a first timing module, configured to start timing the duration when the current working current is greater than the preset current threshold; and in the duration timing state, when the current working current is not greater than the preset current threshold, stop timing the duration; a first sending module, configured to send a signal to start detection to several detection devices of the lubricated device when the current working current is greater than the preset current threshold and the duration reaches the preset duration threshold; a second receiving module, configured to obtain current detection information from several detection devices of the lubricated device; a judging module, configured to judge whether the lubricated device is operating normally according to several current detection information; a second sending module, configured to send a signal to start lubrication to a lubrication execution device when it is judged that the lubricated device is operating normally; a third sending module, configured to send an alarm signal to an alarm device when it is judged that the lubricated device is not operating normally.

[0008] Preferably, the device also includes: a second timing module, configured to start timing the interval duration when sending a signal to the lubrication execution device to start lubrication; a second comparison module, configured to compare the interval duration with a preset interval duration threshold when it is determined that the equipment to be lubricated is not operating normally; and a fourth sending module, configured to send a signal to the lubrication execution device to start lubrication when the interval duration reaches the preset interval duration threshold.

[0009] The present application also provides an automatic lubrication control device, the device comprising a memory and a processor, the memory storing a computer program, and implementing any one of the automatic lubrication control methods described above when the computer program is executed by the processor.

[0010] The present application also provides an automatic lubrication control system, comprising a current detection device, a plurality of detection components, a lubrication execution device, an alarm device and an automatic lubrication control device as described above; the current detection device is used to detect the working current of the driving unit in the equipment to be lubricated, and transmit the working current of the driving unit in the equipment to be lubricated to the automatic lubrication control device; the plurality of detection components are used to respectively detect the working parameters of the equipment to be lubricated, and respectively transmit the detected working parameters to the automatic lubrication control device; the lubrication execution device is used to receive a lubrication start signal from the automatic lubrication control device, and to add lubricating oil to a designated position of the equipment to be lubricated when the lubrication start signal is received; the alarm device is used to receive an alarm signal from the automatic lubrication control device, and to give an alarm when the alarm signal is received; the current detection device, the plurality of detection components, the lubrication execution device and the alarm device are all communicatively connected to the automatic lubrication control device.

[0011] Preferably, the current detection device adopts a frequency converter.

[0012] Preferably, the plurality of detection devices include a temperature sensor, and the temperature sensor is used to detect the ambient temperature of the equipment to be lubricated when it is working.

[0013] The present application also provides a storage medium storing computer-readable instructions, and when the instructions are executed by a processor, any of the above-mentioned methods is executed.

[0014] The automatic lubrication control method, device, equipment, system and storage medium of the present invention have the following beneficial effects:

[0015] (1) The present application is based on the fact that the working current of the driving unit in the equipment to be lubricated can reflect the lubrication condition of the equipment to be lubricated, and that factors that affect the time interval between two adjacent additions of lubricating oil in the equipment to be lubricated, such as ambient temperature, load, etc., simultaneously affect the magnitude of the working current. The working current is first used to determine whether the equipment to be lubricated has reached a state where lubricating oil needs to be added, and then the timing of adding lubricating oil is determined by determining whether the equipment to be lubricated is operating normally. This enables automatic determination of the timing of adding lubricating oil according to different operating conditions of the equipment to be lubricated, which helps to improve the lubrication effect.

[0016] (2) The present application has designed an extreme protection for the time interval between two adjacent additions of lubricating oil. That is, when it is determined that the equipment to be lubricated is not operating normally, when the interval length after the previous addition of lubricating oil reaches the preset interval length threshold, lubrication is automatically started to avoid the situation where the staff fails to notice the alarm message or delays the processing, causing the equipment to suffer a greater failure due to lack of lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to better understand the above and other purposes, features, advantages and functions of the present invention, reference may be made to the embodiments shown in the accompanying drawings. The same reference numerals in the accompanying drawings refer to the same components. It should be understood by those skilled in the art that the accompanying drawings are intended to schematically illustrate the preferred embodiments of the present invention and have no limiting effect on the scope of the present invention, and the components in the drawings are not drawn to scale.

[0018] Figure 1 A flow chart of an automatic lubrication control method according to an embodiment of the present invention is shown;

[0019] Figure 2 It shows a structural block diagram of an automatic lubrication control device according to an embodiment of the present invention;

[0020] Figure 3 A schematic structural diagram of an automatic lubrication control system according to an embodiment of the present invention is shown;

[0021] Figure 4 A structural schematic diagram of a specific example of an automatic lubrication control system according to an embodiment of the present invention is shown.

[0022] Description of reference numerals:

[0023] 101. First receiving module; 102. First comparing module; 103. First timing module; 104. First sending module; 105. Second receiving module; 106. Judging module; 107. Second sending module; 108. Third sending module; 109. Second timing module; 110. Second comparing module; 111. Fourth sending module; 2. Control device; 3. Current detection device; 4. Detection device; 41. Temperature sensor; 42. Load sensor; 5. Lubrication actuator; 51. Oil pump; 52. Filling device; 6. Alarm device; 7. Equipment to be lubricated; 71. Driving motor. DETAILED DESCRIPTION

[0024] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0025] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects. Other explicit and implicit definitions may also be included below.

[0026] In order to at least partially solve the above problems and one or more of other potential problems, the embodiments of the present disclosure provide a control method for automatic lubrication, such as Figure 1 As shown, the following steps are included: obtaining the current working current from the current detection device 3 of the drive unit in the equipment to be lubricated 7. Specifically, the drive unit in the equipment to be lubricated 7 can be a drive motor 71 or a drive electric cylinder in the equipment to be lubricated 7, and the current detection device 3 can be a frequency converter or an ammeter connected to the drive unit in the equipment to be lubricated 7.

[0027] Compare the current working current with a preset current threshold, wherein the preset current threshold is determined based on the working current when lubricating oil is added in the operating history data of the equipment to be lubricated 7; when the current working current is greater than the preset current threshold, start timing the duration; and when the current working current is not greater than the preset current threshold in the duration timing state, stop timing the duration.

[0028] When the current working current is greater than the preset current threshold and the duration reaches the preset duration threshold, a signal to start detection is sent to several detection devices 4 of the equipment to be lubricated 7 respectively, wherein the preset duration threshold ranges from 5s to 60s, specifically, the preset duration threshold is 5s or 8s or 10s or 15s or 20s or 25s or 30s.

[0029] Respectively obtain current detection information from several detection devices 4 of the equipment to be lubricated 7; determine whether the equipment to be lubricated 7 is operating normally based on the several current detection information. In some embodiments, this step includes determining whether several working parameters in the current detection information are within the corresponding preset range under the corresponding working condition, wherein the detection information includes working condition information and working parameters, and the preset range is determined based on historical data of normal operation of the equipment to be lubricated 7. Under each working condition, the working parameter has a corresponding preset range; when there is a working parameter in the current detection information that is not within the corresponding preset range, it is determined that the equipment to be lubricated 7 is not operating normally; when several working parameters in the current detection information are respectively within the corresponding preset range, it is determined that the equipment to be lubricated 7 is operating normally.

[0030] Just as an example, when the equipment to be lubricated 7 operates normally, when the ambient temperature is 20-25°C, when the load is 1000-3000kg and the speed is 800-1000r / min, the range of working parameter A is a1-a2, and the range of working parameter B is b1-b2; when the load is 3000-5000kg and the speed is 800-1000r / min, the range of working parameter A is a3-a4, and the range of working parameter B is b3-b4; when the ambient temperature is 25-30°C, when the load is 1000-3000kg and the speed is 800-1000r / min, the range of working parameter A is a5-a6, and the range of working parameter B is b5-b6; when the load is 3000-5000kg and the speed is 800-1000r / min, the range of working parameter A is a7-a8, and the range of working parameter B is b7-b8. Correspondingly, when the ambient temperature is 20-25°C, the load is 1000-3000kg, and the speed is 800-1000r / min, the preset range corresponding to the working parameter A is set to a1-a2, and the preset range corresponding to the working parameter B is set to b1-b2; when the ambient temperature is 20-25°C, the load is 3000-5000kg, and the speed is 800-1000r / min, the preset range corresponding to the working parameter A is set to a3-a4, and the preset range corresponding to the working parameter B is set to b3- b4; when the ambient temperature is 25-30℃, the load is 1000-3000kg, and the speed is 800-1000r / min, the preset range corresponding to the working parameter A is set to a5-a6, and the preset range corresponding to the working parameter B is set to b5-b6; when the ambient temperature is 25-30℃, the load is 3000-5000kg, and the speed is 800-1000r / min, the preset range corresponding to the working parameter A is set to a7-a8, and the preset range corresponding to the working parameter B is set to b7-b8. When the ambient temperature is 23℃, the load is 1500kg, and the speed is 1000r / min, the working parameter A is a x , working parameter B is b x , when a x In a1~a2 and b x When it is within b1~b2, it indicates that the lubricated equipment 7 is operating normally. x In a1~a2 and b x Not in b1~b2, or a x Not in a1~a2 and b x In b1~b2, or a x Not in a1~a2 and b x When it is not within the range of b1-b2, it indicates that the equipment to be lubricated 7 is not operating normally.

[0031] When it is determined that the equipment to be lubricated 7 is operating normally, a signal to start lubrication is sent to the lubrication execution device 5; when it is determined that the equipment to be lubricated 7 is not operating normally, an alarm signal is sent to the alarm device 6. In a preferred embodiment, the control method of the present application further includes the following steps: when sending a signal to start lubrication to the lubrication execution device 5, starting the timing of the interval duration; when it is determined that the equipment to be lubricated 7 is not operating normally, comparing the interval duration with a preset interval duration threshold, wherein the preset interval duration threshold is determined according to the time interval between two adjacent additions of lubricating oil in the operating history data of the equipment to be lubricated 7; when the interval duration reaches the preset interval duration threshold, sending a signal to start lubrication to the lubrication execution device 5.

[0032] The present application also provides an automatic lubrication control device, such as Figure 2 As shown, the device includes: a first receiving module 101, configured to obtain the current working current from the current detection device 3 of the drive unit in the lubricated equipment 7; a first comparing module 102, configured to compare the current working current with a preset current threshold; a first timing module 103, configured to start the timing of the duration when the current working current is greater than the preset current threshold; and in the duration timing state, when the current working current is not greater than the preset current threshold, stop the timing of the duration; a first sending module 104, configured to send a signal to start detection to several detection devices 4 of the lubricated equipment 7 when the current working current is greater than the preset current threshold and the duration reaches the preset duration threshold; a second receiving module 105, configured to obtain the current detection signals from the several detection devices 4 of the lubricated equipment 7, respectively. The device 7 to be lubricated is subjected to the above test information. ...

[0033] In a preferred embodiment, the device also includes: a second timing module 109, configured to start timing the interval duration when sending a signal to the lubrication execution device 5 to start lubrication; a second comparison module 110, configured to compare the interval duration with a preset interval duration threshold when determining that the equipment to be lubricated 7 is not operating normally; a fourth sending module 111, configured to send a signal to the lubrication execution device 5 to start lubrication when the interval duration reaches the preset interval duration threshold.

[0034] The present application also provides an automatic lubrication control device, the device comprising a memory and a processor, the memory storing a computer program, and implementing any one of the automatic lubrication control methods described above when the computer program is executed by the processor.

[0035] The present application also provides a control system for automatic lubrication, such as Figure 3 As shown, it includes a current detection device 3, a plurality of detection devices 4, a lubrication execution device 5, an alarm device 6 and an automatic lubrication control device 2 as described above; the current detection device 3 can be selected as an ammeter or a frequency converter, and the current detection device 3 is used to detect the working current of the drive unit in the lubricated device 7 to be lubricated, and transmit the working current of the drive unit in the lubricated device 7 to the automatic lubrication control device 2; the plurality of detection devices 4 are used to respectively detect the working parameters of the lubricated device 7 to be lubricated, and respectively transmit the detected working parameters to the automatic lubrication control device 2, preferably, the plurality of detection devices 4 include a temperature sensor 41, the temperature sensor 41 is used to detect the ambient temperature of the lubricated device 7 when it is working, and is used to determine the operating condition of the lubricated device 7; the lubrication execution device 5 is used to receive a lubrication start signal from the automatic lubrication control device 2, and add lubricating oil to the specified position of the lubricated device 7 when the lubrication start signal is received; the alarm device 6 is used to receive an alarm signal from the automatic lubrication control device 2, and alarm when the alarm signal is received; the current detection device 3, the plurality of detection devices 4, the lubrication execution device 5 and the alarm device 6 are all connected to the automatic lubrication control device 2 for communication.

[0036] In a specific embodiment, if Figure 4As shown, the lubricated device 7 is a conveying device. The current detection device 3 is a frequency converter, which is connected in series with the drive motor 71 in the conveying device, and is used to control the speed of the drive motor 71 and detect the working current; the plurality of detection devices 4 include a temperature sensor 41, a load sensor 42, a speed sensor, a first detector and a second detector, the temperature sensor 41, the load sensor 42, and the speed sensor are respectively used to detect the environmental stability, load and speed when the conveying device is running, and are used to distinguish the working conditions of the conveying device, and the first detector and the second detector are respectively used to detect the working parameters A and B of the conveying device; the lubrication execution device 5 includes an oil pump 51 and a filling device 52, the oil pump 51 is used to transport the lubricating oil to the filling device 52, and the filling device 52 is an oil nozzle or an oil brush, which is used to spray or apply the lubricating oil to the designated position of the conveying device; the alarm device 6 is used to display "equipment abnormality" when receiving an alarm signal; the frequency converter, the temperature sensor 41, the load sensor 42, the speed sensor, the first detector, the second detector, the oil pump 51 and the alarm device 6 are all connected to the automatic lubrication control device 2 in communication.

[0037] The present application also provides a storage medium storing computer-readable instructions, and when the instructions are executed by a processor, any of the above-mentioned methods is executed.

[0038] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the present invention.

Claims

1. A control method for automatic lubrication, characterized in that: The following steps are involved: Obtaining the current working current from the current detection device (3) of the drive unit in the equipment to be lubricated (7); Compare the current operating current with the preset current threshold; When the current working current is greater than the preset current threshold, the duration is started to be counted; and when the current working current is not greater than the preset current threshold, the duration is stopped to be counted; When the current working current is greater than a preset current threshold and the duration reaches a preset duration threshold, a signal for starting detection is sent to a plurality of detection devices (4) of the equipment to be lubricated (7); respectively obtaining current detection information from a plurality of detection devices (4) of the equipment to be lubricated (7); judging whether the lubricated equipment (7) is operating normally according to a number of current detection information; When it is determined that the equipment to be lubricated (7) is operating normally, a signal for starting lubrication is sent to the lubrication actuator (5); When it is determined that the equipment to be lubricated (7) is not operating normally, an alarm signal is sent to the alarm device (6).

2. The automatic lubrication control method according to claim 1, characterized in that: The following steps are also included: When a signal for starting lubrication is sent to the lubrication actuator (5), the timing of the interval duration is started; When it is determined that the lubricated equipment (7) is not operating normally, the interval time is compared with a preset interval time threshold; When the interval duration reaches a preset interval duration threshold, a signal for starting lubrication is sent to a lubrication execution device (5).

3. The automatic lubrication control method according to claim 1, characterized in that: The following steps are also included: Determine whether several working parameters in the current detection information are within the corresponding preset range under the corresponding working conditions; When there is a working parameter in the current detection information that is not within the corresponding preset range, it is determined that the lubricated equipment (7) is not operating normally; When several working parameters in the current detection information are respectively within the corresponding preset ranges, it is determined that the equipment to be lubricated (7) is operating normally.

4. An automatic lubrication control device, characterized in that: The device comprises: A first receiving module (101) is configured to obtain a current working current from a current detection device (3) of a drive unit in a device to be lubricated (7); A first comparison module (102), configured to compare a current operating current with a preset current threshold; A first timing module (103) is configured to start timing the duration when the current working current is greater than a preset current threshold; and to stop timing the duration when the current working current is not greater than the preset current threshold; A first sending module (104) is configured to send a detection start signal to a plurality of detection devices (4) of the lubricated equipment (7) respectively when the current working current is greater than a preset current threshold and the duration reaches a preset duration threshold; A second receiving module (105) is configured to respectively obtain current detection information from a plurality of detection devices (4) of the equipment to be lubricated (7); A judgment module (106) configured to judge whether the lubricated equipment (7) is operating normally according to a number of current detection information; A second sending module (107) is configured to send a lubrication start signal to the lubrication execution device (5) when it is determined that the lubricated equipment (7) is operating normally; The third sending module (108) is configured to send an alarm signal to the alarm device (6) when it is determined that the equipment to be lubricated (7) is not operating normally.

5. The automatic lubrication control device according to claim 4, characterized in that: The device also includes: A second timing module (109) is configured to start timing the interval duration when sending a signal to start lubrication to the lubrication execution device (5); A second comparison module (110) is configured to compare the interval duration with a preset interval duration threshold when determining that the lubricated equipment (7) is not operating normally; The fourth sending module (111) is configured to send a signal to start lubrication to the lubrication execution device (5) when the interval duration reaches a preset interval duration threshold.

6. An automatic lubrication control device, characterized in that: The device comprises a memory and a processor, wherein a computer program is stored in the memory, and when the computer program is executed by the processor, an automatic lubrication control method according to any one of claims 1 to 3 is implemented.

7. An automatic lubrication control system, characterized in that: It comprises a current detection device (3), a plurality of detection components (4), a lubrication execution device (5), an alarm device (6) and an automatic lubrication control device (2) as claimed in claim 6; The current detection device (3) is used to detect the working current of the drive unit in the equipment to be lubricated (7), and transmit the working current of the drive unit in the equipment to be lubricated (7) to the automatic lubrication control device (2); A plurality of detection devices (4) are used to respectively detect working parameters of the equipment to be lubricated (7), and transmit the detected working parameters to the automatic lubrication control device (2); The lubrication execution device (5) is used to receive a lubrication start signal from the automatic lubrication control device (2), and to add lubricating oil to a designated position of the lubricated equipment (7) when receiving the lubrication start signal; The alarm device (6) is used to receive an alarm signal from the automatic lubrication control device (2) and to give an alarm when receiving the alarm signal; The current detection device (3), a plurality of detection components (4), a lubrication execution device (5) and an alarm device (6) are all communicatively connected to the automatic lubrication control device (2).

8. The automatic lubrication control system according to claim 7, characterized in that: The current detection device (3) adopts a frequency converter.

9. The automatic lubrication control system according to claim 7, characterized in that: The plurality of detection devices (4) include a temperature sensor (41), and the temperature sensor (41) is used to detect the ambient temperature of the equipment to be lubricated (7) when it is working.

10. A storage medium, characterized in that: Computer-readable instructions are stored, and when the instructions are executed by a processor, the method according to any one of claims 1 to 3 is executed.

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