CN117168294A - Screw looseness alarm device based on displacement of motor of tower type pumping unit - Google Patents

Screw looseness alarm device based on displacement of motor of tower type pumping unit Download PDF

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Publication number
CN117168294A
CN117168294A CN202311134846.XA CN202311134846A CN117168294A CN 117168294 A CN117168294 A CN 117168294A CN 202311134846 A CN202311134846 A CN 202311134846A CN 117168294 A CN117168294 A CN 117168294A
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China
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preset
brightness value
screw
value
judging
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CN202311134846.XA
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CN117168294B (en
Inventor
朱广海
董立军
蒋容
宋立敏
刘照钰
董剑
刘慧�
王健
辛龙海
娄英波
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Daqing Petroleum Administration Bureau
China National Petroleum Corp
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Daqing Petroleum Administration Bureau
China National Petroleum Corp
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Priority claimed from CN202311134846.XA external-priority patent/CN117168294B/en
Publication of CN117168294A publication Critical patent/CN117168294A/en
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Abstract

The invention relates to the technical field of screw loosening alarm, in particular to a screw loosening alarm device based on displacement of a motor of a tower type pumping unit, a nut detection module, a brightness detection module, a judgment module, an adjusting module and an alarm module, wherein the judgment module is used for judging whether a screw is loosened according to brightness values of LED lamps acquired by a photometer, judging whether the running condition of a storage battery meets preset standards according to an average value of the brightness values of the LED lamps in a preset time period when the screw is not loosened, and judging whether the running condition of the LED lamps meets the preset standards according to a historical average brightness value of the brightness values of the LED lamps in the preset historical time period which is larger than the first preset brightness value when the running condition of the storage battery meets the preset standards.

Description

Screw looseness alarm device based on displacement of motor of tower type pumping unit
Technical Field
The invention relates to the technical field of screw loosening alarm, in particular to a screw loosening alarm device based on motor displacement of a tower type pumping unit.
Background
The pumping unit is widely used in oil field, and the power of the machine equipment is mainly obtained by using a motor. In actual production, the tower crane is widely applied to the requirements of long stroke and low stroke frequency more suitable for oil extraction working conditions, prolongs the service cycle of sucker rods and oil pumps, and improves the pump efficiency. The tower type combined transmission pumping unit and the corresponding dragging system which are most suitable for the oil extraction conditions of different oil field blocks can be selected, the system efficiency, the pump efficiency and the power factor are high, the energy consumption is reduced, and the electricity is recommended to be saved. The tower crane connecting bolts play a role in supporting upper working parts, and the tower crane connecting bolts need to be subjected to detailed inspection, untwisted, crack, abrasion, serious corrosion, integral or local plastic deformation and other anomalies and must be replaced. Theoretically, the bolts only have a tensile force and cannot resist the shearing force. If the bolts are not screwed, cracked, worn, severely rusted, tensioned and deformed, and the bolts are stressed and alternately impacted, the stress is worsened, the bolts are easy to break, the loosening of the connecting bolts of the tower crane is one of the reasons for the overturning accidents of the tower crane, and the damage, the concealment and the urgency of the connecting bolts must be considered to be highly valued.
Chinese patent publication No.: CN109029954a, discloses a: a screw looseness alarm device comprises a sensor and a fixed support, wherein the sensor is arranged on the fixed support, a sensor hole and a screw hole are formed in the fixed support, and the sensor is arranged at the position of the sensor hole in the fixed support in a detachable connection mode. The screw loosening alarm device is arranged on the target device through screws on the target device and screw holes on the fixing support. When the screw on the target device is loosened, the fixed bracket can not be stably arranged on the target device, and a sensor on the fixed bracket can sense the loosening of the screw and give an alarm; it follows that the prior art has the following problems: the operation condition of the alarm device is not considered to be detected, the accuracy of alarm information of the alarm device is affected, and the acuity of monitoring alarms for screw loosening detection is affected.
Disclosure of Invention
Therefore, the invention provides a screw loosening alarm device based on the displacement of a motor of a tower type pumping unit, which is used for solving the problems that the accuracy of alarm information of the alarm device is affected and the acuity of monitoring alarm for screw loosening is affected because the operation condition of the alarm device is not considered in the prior art.
In order to achieve the above purpose, the invention provides a screw loosening alarm device based on the displacement of a motor of a tower type pumping unit, comprising:
the nut detection module comprises a bracket arranged at a preset distance from the nut, a probe of a magnetic induction switch arranged on the bracket and used for closing when a screw loosens or the nut generates angular displacement, an LED lamp connected in series with the magnetic induction switch and used for igniting the magnetic induction switch when the magnetic induction switch is closed, and a storage battery connected in series with the LED lamp and used for supplying power; the storage battery is externally connected with a photovoltaic power generation plate;
the brightness detection module comprises a photometer which is arranged at one side of the LED lamp and used for obtaining the brightness of the LED lamp;
the judging module is connected with the brightness detecting module and is used for judging whether the screw loosens according to the brightness value of the LED lamp obtained by the photometer, judging whether the running condition of the storage battery accords with a preset standard according to the average value of the brightness value of the LED lamp in the obtained preset time period when the screw is not loosened, and judging whether the running condition of the LED lamp accords with the preset standard according to the historical average brightness value of the LED lamp in the obtained preset historical time period when the running condition of the storage battery accords with the preset standard;
The adjusting module is connected with the judging module and used for adjusting the judging standard of the judging module according to the judging result of the judging module;
and the alarm module is connected with the judging module and used for sending out alarm information according to the judging result of the judging module.
Further, the judging module is used for determining whether the screw is loosened or not according to the brightness value of the LED lamp obtained by the photometer under a first preset condition, wherein:
the first screw judging mode is that the judging module preliminarily judges whether the screw loosens or not, and judges whether the screw loosens or not secondarily according to the obtained lighting time from the fact that the brightness value of the LED lamp is larger than a first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value; the first screw judgment mode meets the condition that the brightness value is smaller than or equal to a second preset brightness value and larger than the first preset brightness value;
the second screw judging mode is that the judging module preliminarily judges that the screw is not loosened, and obtains an average value of brightness values of the LED lamps within a preset time period, so as to judge whether the running condition of the storage battery meets a preset standard according to the average value; the second screw judgment mode meets the condition that the brightness value is smaller than or equal to a third preset brightness value and larger than the second preset brightness value;
The third screw judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at the screw looseness; the third screw judgment mode meets the condition that the brightness value is larger than the third preset brightness value; the first preset brightness value is smaller than the second preset brightness value and larger than the third preset brightness value;
the first preset condition is that the luminance value of the LED lamp obtained by the photometer is larger than a first preset luminance value.
Further, the judging module controls the photometer to obtain the brightness value of the LED lamp within the preset time period in the second screw judging mode, the judging module calculates the average value of the brightness values of the LED lamp within the preset time period, and determines whether the running condition of the storage battery meets the storage battery judging mode of the preset standard according to the obtained average value, wherein:
the first storage battery judging mode is that the judging module judges that the running condition of the storage battery meets a preset standard, and judges whether the running condition of the LED lamp meets the preset standard according to the obtained historical average brightness value of the LED lamp with the brightness value larger than a first preset brightness value in a preset historical time length; the first storage battery judging mode meets the condition that the average value is larger than a preset average value;
The second storage battery judging mode is that the judging module judges that the running condition of the storage battery does not accord with a preset standard, and the second preset brightness value is adjusted to a corresponding value according to the difference value between the preset average value and the average value; and the second storage battery judging mode meets the condition that the average value is smaller than or equal to the preset average value.
Further, the judging module judges the mode according to the first storage battery, and the judging module judges the mode according to the historical average brightness value, wherein the judging mode is used for determining whether the running condition of the LED lamp accords with the preset standard or not according to the historical average brightness value, and the average value is recorded as the average historical brightness value, and the judging module judges the mode according to the obtained average brightness value of the LED lamp in the preset historical duration, wherein:
the first warning lamp judging mode is that the judging module judges that the running condition of the LED lamp meets a preset standard, the judging module judges that the screw loosens, and controls the alarm module to send alarm information aiming at screw looseness; the first warning lamp judging mode meets the condition that the historical average brightness value is smaller than or equal to a preset historical average brightness value;
the second warning lamp judging mode is that the judging module judges that the running condition of the LED lamp does not meet the preset standard, the preset historical average brightness value is adjusted according to the obtained using time of the LED lamp, the judging module judges whether the running condition of the LED lamp meets the preset standard again according to the adjusted preset historical average brightness value, and if the historical average brightness value is still larger than the adjusted preset historical average brightness value, the judging module controls the alarm module to send alarm information aiming at damage of the LED lamp; the second warning lamp judging mode meets the condition that the historical average brightness value is larger than the preset historical average brightness value.
Further, the adjusting module determines an adjusting mode of the preset historical average brightness value according to the obtained using time length of the LED lamp in the second warning lamp judging mode, wherein:
the first adjusting mode is that the adjusting module uses a first preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the first adjusting mode meets the requirement that the using time length of the LED lamp is smaller than or equal to a first preset using time length;
the second adjusting mode is that the adjusting module uses a second preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the second adjusting mode meets the requirements that the using time length of the LED lamp is smaller than or equal to a second preset using time length and larger than the first preset using time length, and the first preset using time length is smaller than the second preset using time length;
the third adjusting mode is that the adjusting module uses a third preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the third adjustment mode meets the condition that the service time of the LED lamp is longer than the second preset service time;
the judging module judges whether the running condition of the LED lamp accords with the preset standard according to the adjusted preset historical average brightness value, and if the historical average brightness value is still larger than the adjusted preset historical average brightness value, the judging module controls the alarm module to send an alarm aiming at the damage of the LED lamp.
Further, the adjusting module calculates a difference value between the preset average value and the average value in the second storage battery judging mode, marks the difference value as an average difference value, and determines a brightness value adjusting mode for the second preset brightness value according to the obtained average difference value, wherein:
the first brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a first preset brightness value adjusting coefficient; the first brightness value adjusting mode meets the condition that the average difference value is smaller than or equal to a first preset average difference value;
the second brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a second preset brightness value adjusting coefficient; the second brightness value adjusting mode meets the condition that the average difference value is smaller than or equal to a second preset average difference value and larger than the first preset average difference value, and the first preset average difference value is smaller than the second preset average difference value;
the third brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a third preset brightness value adjusting coefficient; the third brightness value adjusting mode meets the condition that the average difference value is larger than the second preset average difference value.
Further, the adjusting module determines a difference adjusting mode of the first preset average difference value and the second preset average difference value according to the obtained residual electric quantity in the storage battery under a second preset condition, wherein:
the first difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a first preset difference value adjusting coefficient; the first difference value adjusting mode meets the condition that the residual electric quantity is smaller than or equal to a first preset residual electric quantity;
the second difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a second preset difference value adjusting coefficient; the second difference value adjusting mode meets the condition that the residual electric quantity is smaller than or equal to a second preset residual electric quantity and larger than the first preset residual electric quantity, and the first preset residual electric quantity is smaller than the second preset residual electric quantity;
the third difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a third preset difference value adjusting coefficient; the third difference value adjusting mode meets the condition that the residual electric quantity is larger than the second preset residual electric quantity;
The second preset condition is before the second preset brightness value is adjusted according to the obtained average difference value in the second storage battery judging mode.
Further, the judging module obtains the brightness value of the LED lamp according to the photometer under a third preset condition to determine a screw secondary judging mode of whether the screw is loosened, wherein:
the first screw secondary judging mode is that the judging module preliminarily judges whether the screw loosens or not, and whether the screw loosens or not is secondarily judged according to the obtained lighting time from the fact that the brightness value of the LED lamp is larger than a first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value; the first screw secondary judgment mode meets the condition that the brightness value is smaller than or equal to a second preset brightness value and larger than the first preset brightness value;
the second screw secondary judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at screw looseness; the second screw secondary judgment mode meets the condition that the brightness value is larger than the second preset brightness value;
the third preset condition is that the adjusting module completes the adjustment of the second preset brightness value.
Further, under a fourth preset condition, the judging module determines whether the screw is loosened according to the obtained lighting duration from the fact that the brightness value of the LED lamp is larger than the first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value, wherein:
the first judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at the screw looseness; the first judging mode meets the condition that the lighting time length is longer than a preset lighting time length;
the second judging mode is that the judging module preliminarily judges that the screw is not loosened, and judges whether the screw is loosened or not according to the obtained accumulated total duration that the brightness value of the LED lamp in the preset duration is larger than the first preset brightness value; the second judging mode meets the condition that the lighting duration is smaller than or equal to the preset lighting duration;
the fourth preset condition is that the judging module preliminarily judges that the screw loosens.
Further, the judging module determines a screw three-time judging mode of whether the screw is loosened according to the obtained accumulated total duration that the brightness value of the LED lamp in the preset duration is greater than the first preset brightness value in the second judging mode, wherein:
The first screw three-time judging mode is that the judging module judges that the screw is not loosened and judges whether the screw nut detecting module continuously detects whether the screw is loosened or not; the first screw three-time judging mode meets the condition that the accumulated total duration is smaller than or equal to a preset accumulated total duration;
the second screw three-time judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at screw looseness; the third screw judgment mode meets the condition that the accumulated total duration is greater than the preset accumulated total duration.
Compared with the prior art, the invention has the beneficial effects that the highlight LED lighting device is arranged in the lighting box at the lower end of the tower crane, and whether the screw loosens to generate angular displacement can be found at the lower end; utilize magnetic induction switch, magnet cooperation excels in, will take place angular displacement when the nut is not hard up, and monitoring screw is not hard up when the screw is not hard up and is produced angular displacement, triggers magnetic induction switch, and normally open point is closed, battery, LED lamp form closed loop, and the lower extreme LED lamp is bright, produces the warning. The monitoring equipment is arranged at the top end of the tower crane, and the change of the equipment can be observed at the lower end of the tower crane. The solar panel and the storage battery are adopted to provide power supply for the device, the power supply is 3-6V direct current power supply, the safety and the reliability are realized, the acuity of monitoring and alarming on screw loosening is further improved while the original tower type pumping unit power supply device is not influenced, and the running stability of the alarming device is effectively improved.
Further, the easy-loosening part of the tower crane is monitored and early-warned, so that the fault part can be found in time, and the warning part is treated in advance before the serious result occurs, thereby reducing the maintenance cost. The high-operation frequency of maintenance staff is reduced, and the occurrence rate of safety accidents is reduced.
Further, when the brightness value of the LED lamp is larger than the first preset brightness value, namely the LED lamp emits light, judging whether the screw loosens or not, and when the brightness of the LED lamp is larger than the third preset brightness value, judging that the screw loosens indeed, and sending corresponding alarm information by the alarm module; when the LED lamp only emits slightly-bright light, the judging module obtains the single-time light-emitting duration of the LED lamp so as to determine whether the screw loosens, and if the screw loosens, the accumulated light-emitting duration of the LDE lamp in the preset duration is obtained if the screw loosens, so that the acuity of alarm monitoring for screw looseness is effectively improved.
Further, when the LED lamp emits weaker light, namely in a second screw judging mode, judging that the light emitted by the LED lamp is insufficient possibly due to the fact that the storage battery breaks down, acquiring an average value of brightness values of the LED lamp in a preset time period, judging that the storage battery does not break down when the average value is very high, and acquiring a historical average brightness value of the brightness values of the LED lamp in a preset historical time period which is larger than a first preset brightness value so as to detect whether the LED lamp breaks down according to the historical running condition of the LED lamp, so that the situation that whether the screw loosens or not can not be accurately and timely detected due to the fact that the LED lamp breaks down is avoided; when the average value is very low, it is judged that the storage battery has faults, so that enough electric quantity cannot be provided to enable the LED lamp to stably emit light, the second preset brightness value is adjusted, the judging standard of the judging module is matched with the specific condition of the nut detection module, the service life of the screw loosening alarm device is effectively prolonged, and meanwhile the acuity of monitoring alarm for screw loosening is further effectively improved.
Further, when the obtained average brightness value of the LED lamp is low when the LED lamp is lighted in the preset historical time, judging that the luminous brightness of the LED lamp is low, namely the running condition of the LED lamp meets the preset standard, and controlling an alarm module to send out corresponding alarm information; when the average brightness value is high in the preset historical time period when the LED lamp is lighted, judging that the LED lamp fails, so that the LED lamp is not completely lighted; adjusting a preset historical average brightness value according to the using time length of the LED lamp, and reducing the preset historical average brightness value when the using time length of the LED lamp is too long so as to judge whether the running condition of the LED lamp accords with a preset standard again or not, so as to judge whether an alarm aiming at the damage of the LED lamp is sent or not; the running condition of the nut detection module is detected, and the accuracy of alarm information of the alarm device is effectively improved.
Further, before the second preset brightness value is adjusted according to the obtained average difference value, the first preset average difference value and the second preset average difference value are adjusted according to the obtained residual electric quantity in the storage battery, so that the second preset brightness value is adjusted according to the combination of the actual condition of the storage battery and the brightness condition of the LED lamp in the history duration, and the accuracy of alarm information of the alarm device is further improved while the judging standard of the judging module is effectively matched with the actual condition of the nut detecting module.
Drawings
FIG. 1 is a block diagram of a screw loosening alarm device based on motor displacement of a tower type pumping unit according to an embodiment of the invention;
FIG. 2 is a flowchart of a screw determination mode in which a determination module determines whether a screw is loosened according to a luminance value of an LED lamp obtained by a photometer;
FIG. 3 is a flowchart of a battery determination method in which a determination module determines whether the running condition of a battery meets a preset standard according to a calculated average value;
fig. 4 is a flowchart of a warning lamp determination mode in which the determination module determines whether the operation status of the LED lamp meets the preset standard according to the historical average brightness value.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, fig. 2, fig. 3, and fig. 4, the structure diagram of a screw loosening alarm device based on the displacement of a motor of a tower type pumping unit according to an embodiment of the present invention is shown, wherein the decision module determines whether a screw is loosened according to a luminance value of an LED lamp obtained by a photometer, the decision module determines whether an operation condition of a storage battery meets a preset standard according to an average value obtained by the decision module, and the decision module determines whether the operation condition of the LED lamp meets the preset standard according to a historical average luminance value; the embodiment of the invention discloses a screw loosening alarm device based on the displacement of a motor of a tower type pumping unit, which comprises the following components:
The nut detection module comprises a bracket arranged at a preset distance from the nut, a probe of a magnetic induction switch arranged on the bracket and used for closing when a screw loosens or the nut generates angular displacement, an LED lamp connected in series with the magnetic induction switch and used for igniting the magnetic induction switch when the magnetic induction switch is closed, and a storage battery connected in series with the LED lamp and used for supplying power; the storage battery is externally connected with a photovoltaic power generation plate; the magnetic induction switch is WB-sf005r normally open;
the brightness detection module comprises a photometer which is arranged at one side of the LED lamp and used for obtaining the brightness of the LED lamp;
the judging module is connected with the brightness detecting module and is used for judging whether the screw loosens according to the brightness value of the LED lamp obtained by the photometer, judging whether the running condition of the storage battery accords with a preset standard according to the average value of the brightness value of the LED lamp in the obtained preset time period when the screw is not loosened, and judging whether the running condition of the LED lamp accords with the preset standard according to the historical average brightness value of the LED lamp in the obtained preset historical time period when the running condition of the storage battery accords with the preset standard;
the adjusting module is connected with the judging module and used for adjusting the judging standard of the judging module according to the judging result of the judging module;
And the alarm module is connected with the judging module and used for sending out alarm information according to the judging result of the judging module.
Specifically, the judging module determines, under a first preset condition, whether a screw is loosened according to a luminance value of the LED lamp obtained by the photometer, wherein:
the first screw judging mode is that the judging module preliminarily judges whether the screw loosens or not, and judges whether the screw loosens or not secondarily according to the obtained lighting time from the fact that the brightness value of the LED lamp is larger than a first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value; the first screw judgment mode meets the condition that the brightness value is smaller than or equal to a second preset brightness value and larger than the first preset brightness value;
the second screw judging mode is that the judging module preliminarily judges that the screw is not loosened, and obtains an average value of brightness values of the LED lamps within a preset time period, so as to judge whether the running condition of the storage battery meets a preset standard according to the average value; the second screw judgment mode meets the condition that the brightness value is smaller than or equal to a third preset brightness value and larger than the second preset brightness value;
the third screw judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at the screw looseness; the third screw judgment mode meets the condition that the brightness value is larger than the third preset brightness value; the first preset brightness value is smaller than the second preset brightness value and larger than the third preset brightness value;
The first preset condition is that the luminance value of the LED lamp obtained by the photometer is larger than a first preset luminance value.
Wherein the first preset brightness value is 5, the second preset brightness value is 120, and the third preset brightness value is 200.
Specifically, the judging module controls the photometer to obtain the brightness value of the LED lamp within the preset time period in the second screw judging mode, the judging module calculates the average value of the brightness values of the LED lamp within the preset time period, and determines whether the running condition of the storage battery meets the storage battery judging mode of the preset standard according to the average value, wherein:
the first storage battery judging mode is that the judging module judges that the running condition of the storage battery meets a preset standard, and judges whether the running condition of the LED lamp meets the preset standard according to the obtained historical average brightness value of which the brightness value is larger than a first preset brightness value in the preset historical time length of the LED lamp; the first storage battery judging mode meets the condition that the average value is larger than a preset average value;
the second storage battery judging mode is that the judging module judges that the running condition of the storage battery does not accord with a preset standard, and the second preset brightness value is adjusted to a corresponding value according to the difference value between the preset average value and the average value; and the second storage battery judging mode meets the condition that the average value is smaller than or equal to the preset average value.
Wherein the preset average value is 180.
Specifically, the judging module determines, according to the first storage battery judging mode, whether the running condition of the LED lamp meets the warning lamp judging mode of the preset standard according to the obtained average value of the luminance values of the LED lamp, in which the luminance value is greater than the first preset luminance value, in the preset historical time period, and the average value is recorded as the historical average luminance value, wherein:
the first warning lamp judging mode is that the judging module judges that the running condition of the LED lamp meets a preset standard, the judging module judges that the screw loosens, and controls the alarm module to send alarm information aiming at screw looseness; the first warning lamp judging mode meets the condition that the historical average brightness value is smaller than or equal to a preset historical average brightness value;
the second warning lamp judging mode is that the judging module judges that the running condition of the LED lamp does not meet the preset standard, the preset historical average brightness value is adjusted according to the obtained using time of the LED lamp, the judging module judges whether the running condition of the LED lamp meets the preset standard again according to the adjusted preset historical average brightness value, and if the historical average brightness value is still larger than the adjusted preset historical average brightness value, the judging module controls the alarm module to send alarm information aiming at damage of the LED lamp; the second warning lamp judging mode meets the condition that the historical average brightness value is larger than the preset historical average brightness value.
Wherein, the preset historical average brightness value is 100.
Specifically, the adjusting module determines the adjusting mode of the preset historical average brightness value according to the obtained using time length of the LED lamp in the second warning lamp judging mode, wherein:
the first adjusting mode is that the adjusting module uses a first preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the first adjusting mode meets the requirement that the using time length of the LED lamp is smaller than or equal to a first preset using time length;
the second adjusting mode is that the adjusting module uses a second preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the second adjusting mode meets the requirements that the using time length of the LED lamp is smaller than or equal to a second preset using time length and larger than the first preset using time length, and the first preset using time length is smaller than the second preset using time length;
the third adjusting mode is that the adjusting module uses a third preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the third adjustment mode meets the condition that the service time of the LED lamp is longer than the second preset service time;
the judging module judges whether the running condition of the LED lamp accords with the preset standard according to the adjusted preset historical average brightness value, and if the historical average brightness value is still larger than the adjusted preset historical average brightness value, the judging module controls the alarm module to send an alarm aiming at the damage of the LED lamp.
The first preset use duration is 2, the second preset use duration is 3, the first preset adjustment coefficient is 1.1, the second preset adjustment coefficient is 1.2, and the third preset adjustment coefficient is 1.3.
Specifically, the adjustment module calculates a difference value between the preset average value and the average value in the second storage battery judging mode, marks the difference value as an average difference value, and determines a brightness value adjusting mode for the second preset brightness value according to the obtained average difference value, wherein:
the first brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a first preset brightness value adjusting coefficient; the first brightness value adjusting mode meets the condition that the average difference value is smaller than or equal to a first preset average difference value;
the second brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a second preset brightness value adjusting coefficient; the second brightness value adjusting mode meets the condition that the average difference value is smaller than or equal to a second preset average difference value and larger than the first preset average difference value, and the first preset average difference value is smaller than the second preset average difference value;
the third brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a third preset brightness value adjusting coefficient; the third brightness value adjusting mode meets the condition that the average difference value is larger than the second preset average difference value.
Wherein the first preset average difference value is 20, the second preset average difference value is 30, the first preset brightness value adjusting coefficient is 0.9, the second preset brightness value adjusting coefficient is 0.85, and the third preset brightness value adjusting coefficient is 0.8.
Specifically, the adjusting module determines, under a second preset condition, a difference adjusting manner of the first preset average difference value and the second preset average difference value according to the obtained residual electric quantity in the storage battery, where:
the first difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a first preset difference value adjusting coefficient; the first difference value adjusting mode meets the condition that the residual electric quantity is smaller than or equal to a first preset residual electric quantity;
the second difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a second preset difference value adjusting coefficient; the second difference value adjusting mode meets the condition that the residual electric quantity is smaller than or equal to a second preset residual electric quantity and larger than the first preset residual electric quantity, and the first preset residual electric quantity is smaller than the second preset residual electric quantity;
the third difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a third preset difference value adjusting coefficient; the third difference value adjusting mode meets the condition that the residual electric quantity is larger than the second preset residual electric quantity;
The second preset condition is before the second preset brightness value is adjusted according to the obtained average difference value in the second storage battery judging mode.
The first preset residual electric quantity is 1000, the second preset residual electric quantity is 1500, the first preset difference value adjusting coefficient is 0.85, the second preset difference value adjusting coefficient is 0.9, and the third preset difference value adjusting coefficient is 0.95.
Specifically, the judging module obtains the luminance value of the LED lamp according to the photometer under a third preset condition to determine whether the screw is loosened or not, wherein:
the first screw secondary judging mode is that the judging module preliminarily judges whether the screw loosens or not, and whether the screw loosens or not is secondarily judged according to the obtained lighting time from the fact that the brightness value of the LED lamp is larger than a first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value; the first screw secondary judgment mode meets the condition that the brightness value is smaller than or equal to a second preset brightness value and larger than the first preset brightness value;
the second screw secondary judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at screw looseness; the second screw secondary judgment mode meets the condition that the brightness value is larger than the second preset brightness value;
The third preset condition is that the adjusting module completes the adjustment of the second preset brightness value.
Specifically, under a fourth preset condition of the judging module, a judging mode of whether the screw is loosened is determined according to the obtained lighting duration from the fact that the brightness value of the LED lamp is larger than the first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value, wherein:
the first judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at the screw looseness; the first judging mode meets the condition that the lighting time length is longer than a preset lighting time length;
the second judging mode is that the judging module preliminarily judges that the screw is not loosened, and judges whether the screw is loosened or not according to the obtained accumulated total duration that the brightness value of the LED lamp in the preset duration is larger than the first preset brightness value; the second judging mode meets the condition that the lighting duration is smaller than or equal to the preset lighting duration;
the fourth preset condition is that the judging module preliminarily judges that the screw loosens.
Wherein, the preset lighting duration is 2.
Specifically, the judging module determines, in the second judging manner, whether the screw is loosened three times according to the obtained accumulated total duration of the preset brightness values of the LED lamps in the preset duration, wherein the brightness values of the LED lamps are larger than the first preset brightness value, and the judging manner comprises:
The first screw three-time judging mode is that the judging module judges that the screw is not loosened and judges whether the screw nut detecting module continuously detects whether the screw is loosened or not; the first screw three-time judging mode meets the condition that the accumulated total duration is smaller than or equal to a preset accumulated total duration;
the second screw three-time judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at screw looseness; the third screw judgment mode meets the condition that the accumulated total duration is greater than the preset accumulated total duration.
Wherein the preset accumulated total duration is 4.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Screw looseness alarm device based on pylon formula beam-pumping unit motor displacement, its characterized in that includes:
the nut detection module comprises a bracket arranged at a preset distance from the nut, a probe of a magnetic induction switch arranged on the bracket and used for closing when a screw loosens or the nut generates angular displacement, an LED lamp connected in series with the magnetic induction switch and used for igniting the magnetic induction switch when the magnetic induction switch is closed, and a storage battery connected in series with the LED lamp and used for supplying power; the storage battery is externally connected with a photovoltaic power generation plate;
the brightness detection module comprises a photometer which is arranged at one side of the LED lamp and used for obtaining the brightness of the LED lamp;
the judging module is connected with the brightness detecting module and is used for judging whether the screw loosens according to the brightness value of the LED lamp obtained by the photometer, judging whether the running condition of the storage battery accords with a preset standard according to the average value of the brightness value of the LED lamp in the obtained preset time period when the screw is not loosened, and judging whether the running condition of the LED lamp accords with the preset standard according to the historical average brightness value of the LED lamp in the obtained preset historical time period when the running condition of the storage battery accords with the preset standard;
The adjusting module is connected with the judging module and used for adjusting the judging standard of the judging module according to the judging result of the judging module;
and the alarm module is connected with the judging module and used for sending out alarm information according to the judging result of the judging module.
2. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 1, wherein the judging module is used for determining whether the screw is loosened according to the brightness value of the LED lamp obtained by the photometer under a first preset condition, wherein:
the first screw judging mode is that the judging module preliminarily judges whether the screw loosens or not, and judges whether the screw loosens or not secondarily according to the obtained lighting time from the fact that the brightness value of the LED lamp is larger than a first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value; the first screw judgment mode meets the condition that the brightness value is smaller than or equal to a second preset brightness value and larger than the first preset brightness value;
the second screw judging mode is that the judging module preliminarily judges that the screw is not loosened, and obtains an average value of brightness values of the LED lamps within a preset time period, so as to judge whether the running condition of the storage battery meets a preset standard according to the average value; the second screw judgment mode meets the condition that the brightness value is smaller than or equal to a third preset brightness value and larger than the second preset brightness value;
The third screw judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at the screw looseness; the third screw judgment mode meets the condition that the brightness value is larger than the third preset brightness value; the first preset brightness value is smaller than the second preset brightness value and larger than the third preset brightness value;
the first preset condition is that the luminance value of the LED lamp obtained by the photometer is larger than a first preset luminance value.
3. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 2, wherein the judging module controls the photometer to obtain the brightness value of the LED lamp in the preset time period in the second screw judging mode, the judging module calculates the average value of the brightness values of the LED lamp in the preset time period, and determines whether the running condition of the storage battery meets the storage battery judging mode of the preset standard according to the obtained average value, wherein:
the first storage battery judging mode is that the judging module judges that the running condition of the storage battery meets a preset standard, and judges whether the running condition of the LED lamp meets the preset standard according to the obtained historical average brightness value of the LED lamp with the brightness value larger than a first preset brightness value in a preset historical time length; the first storage battery judging mode meets the condition that the average value is larger than a preset average value;
The second storage battery judging mode is that the judging module judges that the running condition of the storage battery does not accord with a preset standard, and the second preset brightness value is adjusted to a corresponding value according to the difference value between the preset average value and the average value; and the second storage battery judging mode meets the condition that the average value is smaller than or equal to the preset average value.
4. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 3, wherein the judging module judges whether the running condition of the LED lamp meets the preset standard or not according to the historical average brightness value according to the obtained average value of the brightness values of the LED lamp with the brightness value larger than the first preset brightness value in the preset historical time length under the first storage battery judging mode, and marks the average value as the historical average brightness value, wherein the judging module judges whether the running condition of the LED lamp meets the preset standard or not according to the historical average brightness value, wherein:
the first warning lamp judging mode is that the judging module judges that the running condition of the LED lamp meets a preset standard, the judging module judges that the screw loosens, and controls the alarm module to send alarm information aiming at screw looseness; the first warning lamp judging mode meets the condition that the historical average brightness value is smaller than or equal to a preset historical average brightness value;
The second warning lamp judging mode is that the judging module judges that the running condition of the LED lamp does not meet the preset standard, the preset historical average brightness value is adjusted according to the obtained using time of the LED lamp, the judging module judges whether the running condition of the LED lamp meets the preset standard again according to the adjusted preset historical average brightness value, and if the historical average brightness value is still larger than the adjusted preset historical average brightness value, the judging module controls the alarm module to send alarm information aiming at damage of the LED lamp; the second warning lamp judging mode meets the condition that the historical average brightness value is larger than the preset historical average brightness value.
5. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 4, wherein the adjusting module determines the adjusting mode of the preset historical average brightness value according to the obtained using time length of the LED lamp in the second warning lamp judging mode, wherein:
the first adjusting mode is that the adjusting module uses a first preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the first adjusting mode meets the requirement that the using time length of the LED lamp is smaller than or equal to a first preset using time length;
The second adjusting mode is that the adjusting module uses a second preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the second adjusting mode meets the requirements that the using time length of the LED lamp is smaller than or equal to a second preset using time length and larger than the first preset using time length, and the first preset using time length is smaller than the second preset using time length;
the third adjusting mode is that the adjusting module uses a third preset adjusting coefficient to adjust the preset historical average brightness value to a corresponding value; the third adjustment mode meets the condition that the service time of the LED lamp is longer than the second preset service time;
the judging module judges whether the running condition of the LED lamp accords with the preset standard according to the adjusted preset historical average brightness value, and if the historical average brightness value is still larger than the adjusted preset historical average brightness value, the judging module controls the alarm module to send an alarm aiming at the damage of the LED lamp.
6. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 5, wherein the adjusting module calculates a difference between the preset average value and the average value in the second battery judging mode, and marks the difference as an average difference, and the adjusting module determines a brightness value adjusting mode for the second preset brightness value according to the obtained average difference, wherein:
The first brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a first preset brightness value adjusting coefficient; the first brightness value adjusting mode meets the condition that the average difference value is smaller than or equal to a first preset average difference value;
the second brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a second preset brightness value adjusting coefficient; the second brightness value adjusting mode meets the condition that the average difference value is smaller than or equal to a second preset average difference value and larger than the first preset average difference value, and the first preset average difference value is smaller than the second preset average difference value;
the third brightness value adjusting mode is that the adjusting module adjusts the second preset brightness value to a corresponding value by using a third preset brightness value adjusting coefficient; the third brightness value adjusting mode meets the condition that the average difference value is larger than the second preset average difference value.
7. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 6, wherein the adjusting module determines a difference adjusting mode of the first preset average difference value and the second preset average difference value according to the obtained residual electric quantity in the storage battery under a second preset condition, wherein:
The first difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a first preset difference value adjusting coefficient; the first difference value adjusting mode meets the condition that the residual electric quantity is smaller than or equal to a first preset residual electric quantity;
the second difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a second preset difference value adjusting coefficient; the second difference value adjusting mode meets the condition that the residual electric quantity is smaller than or equal to a second preset residual electric quantity and larger than the first preset residual electric quantity, and the first preset residual electric quantity is smaller than the second preset residual electric quantity;
the third difference value adjusting mode is that the adjusting module adjusts the first preset average difference value and the second preset average difference value to corresponding values by using a third preset difference value adjusting coefficient; the third difference value adjusting mode meets the condition that the residual electric quantity is larger than the second preset residual electric quantity;
the second preset condition is before the second preset brightness value is adjusted according to the obtained average difference value in the second storage battery judging mode.
8. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 7, wherein the judging module determines a screw secondary judging mode of whether the screw is loosened according to the brightness value of the LED lamp obtained by the photometer under a third preset condition, wherein:
The first screw secondary judging mode is that the judging module preliminarily judges whether the screw loosens or not, and whether the screw loosens or not is secondarily judged according to the obtained lighting time from the fact that the brightness value of the LED lamp is larger than a first preset brightness value to the fact that the brightness value of the LED lamp is smaller than or equal to the first preset brightness value; the first screw secondary judgment mode meets the condition that the brightness value is smaller than or equal to a second preset brightness value and larger than the first preset brightness value;
the second screw secondary judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at screw looseness; the second screw secondary judgment mode meets the condition that the brightness value is larger than the second preset brightness value;
the third preset condition is that the adjusting module completes the adjustment of the second preset brightness value.
9. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 8, wherein the judging module determines whether the screw is loosened according to the obtained lighting time period from the brightness value of the LED lamp being greater than the first preset brightness value to the brightness value of the LED lamp being less than or equal to the first preset brightness value under the fourth preset condition, wherein:
The first judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at the screw looseness; the first judging mode meets the condition that the lighting time length is longer than a preset lighting time length;
the second judging mode is that the judging module preliminarily judges that the screw is not loosened, and judges whether the screw is loosened or not according to the obtained accumulated total duration that the brightness value of the LED lamp in the preset duration is larger than the first preset brightness value; the second judging mode meets the condition that the lighting duration is smaller than or equal to the preset lighting duration;
the fourth preset condition is that the judging module preliminarily judges that the screw loosens.
10. The screw loosening alarm device based on the displacement of the motor of the tower type pumping unit according to claim 9, wherein the judging module determines the screw loosening three-time judging mode according to the acquired accumulated total duration that the brightness value of the LED lamp is larger than the first preset brightness value within the preset duration in the second judging mode, wherein:
the first screw three-time judging mode is that the judging module judges that the screw is not loosened and judges whether the screw nut detecting module continuously detects whether the screw is loosened or not; the first screw three-time judging mode meets the condition that the accumulated total duration is smaller than or equal to a preset accumulated total duration;
The second screw three-time judging mode is that the judging module judges that the screw loosens and controls the alarm module to send alarm information aiming at screw looseness; the third screw judgment mode meets the condition that the accumulated total duration is greater than the preset accumulated total duration.
CN202311134846.XA 2023-09-04 Screw looseness alarm device based on displacement of motor of tower type pumping unit Active CN117168294B (en)

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