CN113448263B - Intelligent warehouse energy management method and system - Google Patents
Intelligent warehouse energy management method and system Download PDFInfo
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- CN113448263B CN113448263B CN202010220593.8A CN202010220593A CN113448263B CN 113448263 B CN113448263 B CN 113448263B CN 202010220593 A CN202010220593 A CN 202010220593A CN 113448263 B CN113448263 B CN 113448263B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10048—Infrared image
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses an intelligent warehouse energy management method and system, wherein the method comprises the following steps: one or more combinations of a supplementary lighting control step, a fire monitoring and early warning control step and an illumination control step; the light supplementing control step is used for controlling and adjusting the light reflecting angle of the light reflecting device to supplement light for the warehouse according to the incident light information of the current sunlight; the fire monitoring and early warning control step is used for executing fire judgment control; and the lighting control step is used for controlling the lighting equipment to work according to the lighting brightness and/or the personnel existence state in the warehouse. The method can supplement light for the warehouse during the day when the sun shines, reduces the turning-on of electric lighting equipment, saves energy and does not influence the normal working lighting of workers. Through fire monitoring and early warning, the possible fire can be monitored and judged, the position of the fire can be determined when the fire breaks out, and property loss and casualties are reduced.
Description
Technical Field
The invention belongs to the technical field of energy control, and particularly relates to an intelligent warehousing energy management method and system.
Background
The warehouse is a temporary storage place for products and articles due to the preposition of orders or the preposition of market forecast in the production and circulation processes of the products. The system reflects the activity condition of factory materials in a centralized way, is a transfer station for connecting production, supply and sale, and plays an important auxiliary role in promoting the production and improving the efficiency. Currently, the warehouse has a large gap in energy management.
For the warehouse, a large amount of lighting electricity increases a storage cost for the product, so that reasonable electricity utilization arrangement is indispensable. At present, due to the fact that unreasonable factors and the like are arranged on a window of a warehouse, even if natural lighting is poor in daytime, the working lighting requirement can be met mainly by means of electric energy lighting, and therefore power consumption is excessive. The commodity circulation warehouse shipment is gone on at night basically now, and the power consumption at night is far more than the daytime, and in the night work, needs a large amount of illumination light in the warehouse, also must keep bright always in the passageway outside the warehouse, just can guarantee that the warehouse operation goes on smoothly, therefore power consumption is very huge.
In addition, due to the fact that goods are stacked in a centralized mode in a warehouse, due to the fact that circuits are aged, workers are not standard in operation and the like, a fire disaster easily occurs, property loss and even casualties are caused, and the warehouse energy consumption monitoring and fire disaster early warning are important.
Disclosure of Invention
The invention provides an intelligent warehouse energy management method aiming at the technical problems of high energy consumption and high fire risk caused by lack of scientific energy management of a warehouse in the prior art, and can solve the problems.
In order to realize the purpose of the invention, the invention adopts the following technical scheme to realize:
an intelligent warehouse energy management method comprises the following steps: one or more combinations of a supplementary lighting control step, a fire monitoring and early warning control step and an illumination control step;
the light supplement control step is used for controlling and adjusting the light reflection angle of the light reflection device to supplement light for the warehouse according to the current sunlight incident light information;
the fire monitoring and early warning control step is used for executing fire judgment control;
and the lighting control step is used for controlling the lighting equipment to work according to the lighting brightness and/or the personnel existence state in the warehouse.
Further, the supplementary lighting control step includes:
determining a light reflection receiving surface, wherein the light reflection receiving surface and the lighting window are positioned on the same plane;
acquiring incident light information of current sunlight, wherein the incident light information at least comprises a solar altitude angle;
determining a reflecting surface according to the solar altitude angle and the reflecting receiving surface;
and adjusting the reflecting plane of the reflecting device to make the included angle between the reflecting plane and the horizontal plane consistent with the included angle between the reflecting plane and the horizontal plane.
In the step of adjusting the reflecting plane of the reflecting device, the method comprises the following steps:
calculating an included angle beta between the reflecting surface and the horizontal plane according to the solar altitude angle;
and adjusting the reflecting plane of the reflecting device to rotate around a second rotating shaft parallel to the reflecting receiving surface, so that the included angle between the reflecting plane of the reflecting device and the horizontal plane is beta.
Further, the incident light information further comprises a solar azimuth angle;
and adjusting a reflecting plane of the reflecting device according to the solar azimuth angle to meet the condition that the projection of the reflecting plane in the horizontal direction is vertical to the projection of incident light in the horizontal direction.
Further, the fire monitoring and early warning control step comprises the following steps:
detecting infrared radiation of a target;
performing photoelectric conversion on the detection signal, generating an infrared image and outputting the infrared image;
comparing the value in the infrared image with a reference value, and generating a fire early warning signal to output and starting timing when the value is greater than the reference value;
and if no external input signal cancels the fire early warning signal within the set time, executing the automatic power-off action.
And further, the method also comprises a step of detecting the edge of the infrared image, and if the values of the infrared image which are larger than the reference value area are continuously distributed and the number of pixels in the area is larger than a set value, a fire early warning signal is generated and output.
Further, the fire monitoring and early warning control step further comprises: and detecting the current in the circuit, and generating a fire early warning signal to output when the current is greater than the reference current value.
Further, the hardware equipment adopted in the fire monitoring, early warning and controlling step is powered by an emergency power supply.
Further, the lighting control step includes brightness adjustment of the lighting devices and on-number adjustment of the lighting devices;
the brightness adjustment of the lighting device includes:
detecting the illumination of the supplementary lighting;
adjusting the brightness of the currently started lighting equipment according to the illumination of the supplementary lighting;
the adjustment of the number of the lighting devices to be turned on includes:
dividing the warehouse into a plurality of areas, wherein each area comprises a plurality of lighting devices;
detecting movable bodies in each area, and when the number of the movable bodies in the area is larger than a set number, turning on all lighting equipment in the area;
when the number of the movable bodies in the area is not more than the set number and is more than 0, turning on part of lighting equipment in the area;
when the number of moving bodies of the area is 0, all or part of the lighting devices of the area are turned off.
The invention also provides an intelligent warehouse energy management system, which comprises:
the light supplementing control system is used for controlling and adjusting the light reflecting angle of the light reflecting device to supplement light for the warehouse according to the current sunlight incident light information;
the fire monitoring and early warning system executes fire judgment control;
the lighting control system is used for controlling the lighting equipment to work according to the illumination brightness and/or the personnel existence state in the warehouse.
Compared with the prior art, the invention has the advantages and positive effects that: the intelligent warehouse energy management method can supplement light for the warehouse when the warehouse is illuminated by the sun in the daytime, reduces the turn-on of electric energy lighting equipment, and realizes the energy-saving effect. Through fire monitoring and early warning, the possible fire can be monitored and judged, the position of the fire can be determined when the fire breaks out, and property loss and casualties are reduced. The illumination device is controlled to work through the illumination brightness and/or the personnel existence state in the warehouse, so that the energy can be saved, and the normal work illumination of workers is not influenced.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of an intelligent warehouse energy management method provided by the invention;
fig. 2 is a flowchart of an intelligent warehousing light supplement control system according to an embodiment;
fig. 3 is a schematic structural diagram of an intelligent warehousing light supplement control system according to an embodiment;
fig. 4 is a schematic partial structural diagram of an intelligent warehousing light supplement control system according to an embodiment;
fig. 5 is a reflection light path diagram of the light supplement control method for the intelligent warehouse in the first embodiment on the vertical plane;
fig. 6 is a reflection light path diagram of the light supplement control method for the intelligent warehouse in the first embodiment on the horizontal plane;
FIG. 7 is a flowchart illustrating fire monitoring and warning control steps according to one embodiment;
fig. 8 is a flowchart of the illumination control procedure in the first embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are 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 device or element 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, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example one
The embodiment provides an intelligent warehouse energy management method, as shown in fig. 1, including: one or more combinations of a supplementary lighting control step, a fire monitoring and early warning control step and an illumination control step;
the light supplementing control step is used for controlling and adjusting the light reflecting angle of the light reflecting device to supplement light for the warehouse according to the current sunlight incident light information;
the fire monitoring and early warning control step is used for executing fire judgment control;
and the lighting control step is used for controlling the lighting equipment to work according to the lighting brightness and/or the personnel existence state in the warehouse.
According to the intelligent warehouse energy management method, light can be supplemented for the warehouse when the sun shines in the daytime, the turning-on of electric energy lighting equipment is reduced, and the energy-saving effect is achieved. Through fire monitoring and early warning, the possible fire can be monitored and judged, the position of the fire can be determined when the fire breaks out, and property loss and casualties are reduced. The illumination device is controlled to work through the illumination brightness and/or the personnel existence state in the warehouse, so that the energy can be saved, and the normal work illumination of workers is not influenced.
Sunlight is incident on the earth surface, and the altitude and azimuth of the sun are changed at all times due to the rotation and revolution of the earth, so that the incident angle of the sunlight is also changed. For warehousing, once set up, the position and size of the daylighting windows are determined accordingly and cannot be changed easily. When the incident angle of sunshine changes, appear many times easily because illumination angle reason can't have sufficient sunlight to penetrate into the storage, consequently need open electric power lighting device when natural daylighting is not enough to satisfy normal work illumination needs, lead to extravagant electric energy.
Based on this, the intelligent storage light supplement control method capable of reflecting sunlight provided by the scheme can reflect sunlight to the light collecting window of storage, and then the sunlight is emitted into the storage to supplement light for the storage, so that the turning-on of an electric energy lighting device can be reduced.
The intelligent warehousing light supplement control method comprises the following steps:
determining a light reflection receiving surface, wherein the light reflection receiving surface and a lighting window are positioned on the same plane, the upper end edge of the lighting window is not higher than the upper end edge of the light reflection receiving surface, and the lower end edge of the lighting window is not lower than the lower end edge of the light reflection receiving surface; so as to ensure that the reflected light enters the lighting window in the height direction.
Acquiring incident light information of current sunlight, wherein the incident light information at least comprises a solar altitude angle; in astronomical terms, the angle of incidence of the sun is expressed as the solar altitude, i.e. the angle of incidence of a ray of light from the horizontal.
Determining a reflecting surface according to the solar altitude angle and the reflecting receiving surface;
and adjusting the reflecting plane of the reflecting device to make the included angle between the reflecting plane and the horizontal plane consistent with the included angle between the reflecting plane and the horizontal plane.
As shown in fig. 5, no matter how the incident angle of the sunlight changes, the position of the light collecting window is unchanged, so that the position of the light reflecting receiving surface 20 is unchanged, the position of the light reflecting receiving surface 20 can be determined according to the position of the light collecting window, the corresponding light reflecting path can be determined, the light reflecting surface can be determined by acquiring incident light information of the sunlight according to the optical reflection principle, the light reflecting surface is the light reflecting plane of the light reflecting device 11, and then the light reflecting plane of the light reflecting device 11 can be adjusted to the light reflecting surface obtained by calculation through the control device 13 so as to adapt to the current incident angle of the sunlight, thereby achieving the purpose of supplementing light for warehousing.
The intelligent warehousing light supplementing system adopted by the method is shown in fig. 2 and 3 and comprises a light reflecting device 11, a power device 12 and a control device 13, wherein the light reflecting device 11 is used for reflecting sunlight to a light reflecting receiving surface 20; the power device 12 is used for driving the reflecting device 11 to rotate around the shaft; the control device 13 is used for generating a control signal to control the output action of the power device.
In order to adapt to the light incident angle that changes constantly, send control signal to power device 12 through setting up controlling means 13 in this scheme, power device 12 is used for driving reflecting device 11 and rotates, and then can follow the change of light, adjustment reflecting device 11, make it can reflect the sunlight to reflection of light receiving face 20 all the time, the daylighting window should be on reflection of light receiving face 20, and then can reflect light to the storage through the daylighting window all the time, for the storage light filling, only rely on the limited problem of receiving direct projection has been avoided. The sunlight can be fully utilized for lighting in the warehouse, and the electric energy is saved.
As shown in fig. 5, no matter how the incident angle of the sunlight changes, the position of the light collecting window is unchanged, so that the position of the light reflecting receiving surface 20 is unchanged, the position of the light reflecting receiving surface 20 can be determined according to the position of the light collecting window, the corresponding light reflecting path can be determined, the light reflecting surface can be determined by acquiring incident light information of the sunlight according to the optical reflection principle, the light reflecting surface is the light reflecting plane of the light reflecting device 11, and then the light reflecting plane of the light reflecting device 11 can be adjusted to the light reflecting surface obtained by calculation through the control device 13 so as to adapt to the current incident angle of the sunlight, thereby achieving the purpose of supplementing light for warehousing.
As a preferred embodiment, as shown in fig. 3 and 4, the light reflecting device 11 includes a bracket 111 and a light reflecting plate 112, the bracket 111 is disposed outside the light reflecting receiving surface 20 via a first rotating shaft 114, and the first rotating shaft 114 is disposed in a vertical direction parallel to the light reflecting receiving surface 20. Wherein, the outer side of the light reflection receiving surface 20 refers to a side of the light reflection receiving surface away from the lighting window.
The reflector 112 is connected to the bracket 111 through a second rotating shaft 113, the second rotating shaft 113 is arranged along a direction parallel to the light-reflecting receiving surface 20, and the upper surface of the reflector 113 is provided with a reflective film (not shown in the figure); the power device 12 includes a second power device 121 for driving the reflection plate 112 to rotate around the second rotation axis 113. The second power unit 121 is provided on the support 111 together with the reflection plate 112. As shown in fig. 5, which is a schematic diagram of the optical path of the present embodiment, the incident light L1 is reflected by the reflective plate 112, and the reflected light L2 exits toward the light receiving and reflecting surface 20.
The control method for controlling the second power device 121 to rotate around the second rotating shaft 113 by the control device 13 comprises the following steps:
as shown in fig. 5, a current solar altitude h is obtained; the current solar altitude h is also the angle between the incident light L1 and the horizontal plane L0.
Finding out a bisector L3 of the incident light L1 and the reflected light L2, wherein the bisector L3 is a normal of the reflector 112 according to the light reflection principle, and thus determining the target position of the reflector 112 according to the normal.
Calculating an included angle β between the target position of the reflector 112 and the horizontal plane L0:
the height position of the lighting window is determined, so that the included angle alpha between the reflected light L2 and the horizontal plane can be determined, and the included angle between the incident light L1 and the reflected light L2 is =180 ° -alpha-h;
the included angle between L1 and L3 is
The included angle between the L3 and the reflector 112 is 90 degrees, and when the included angle between the L1 and the reflected light L2 and the solar altitude h are calculated, the included angle between the reflector 112 and the horizontal plane
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because the initial position or the current position of the reflector 112 is determined, the control device calculates the angle that the reflector 112 needs to rotate when moving to the target position, and the control device 13 adjusts the reflector 112 to rotate around the second rotating shaft 113, so that the included angle between the reflecting plane and the horizontal plane is consistent with the included angle β between the reflecting plane and the horizontal plane.
The orientation of the sun is also related to the radiation intensity, and due to the rotation of the earth, the sun rises slowly from the east and falls slowly to the west after rising to the highest. The intensity of radiation is greatest when the sun is directly shining. Therefore, the power device 12 of the present embodiment further includes a first power device 122 for rotating the bracket 111 about the first rotating shaft 114. The first rotating shaft 114 is disposed in parallel to the light reflection receiving surface 20 in the vertical direction. By obtaining the azimuth angle of the sun, as shown in fig. 6, the angle for driving the bracket 111 to rotate around the first rotating shaft 114 is calculated, and then the reflector 112 rotates around the first rotating shaft 114 along with the bracket 111, so that the reflector 112 faces the sun, the component of the incident light in the normal direction of the reflector 112 is the largest, and more energy can be converged on the reflector 112.
The azimuth angle of the sun is the angle of the incident light from the true south on the horizontal plane. As shown in fig. 5, the azimuth angle γ of the sun is obtained, and the first power device 122 is controlled to rotate around the first rotating shaft 114 according to γ, so that the projection of the reflecting plane in the horizontal direction is perpendicular to the projection of the incident light in the horizontal direction. At this time, the reflector 112 faces the sun, and the maximum irradiance can be obtained, and accordingly the energy reflected to the light-receiving surface 20 is the most, and the intensity of the reflected light is stronger.
The calculation method of the solar azimuth angle gamma comprises the following steps:
the control device 13 adjusts the reflector 112 to rotate around the second rotation axis 113, so that the included angle between the reflecting plane and the horizontal plane is consistent with the included angle θ between the reflecting plane and the horizontal plane.
The included angle theta = 90-gamma between the reflecting surface and the horizontal plane. At this time, the reflector 112 faces the sun.
The height of a lighting window of a general warehouse is high, and if one light reflecting device 11 is arranged, the area of a light reflecting receiving surface is small, so that the lighting window cannot be fully utilized. In this embodiment, it is preferable that the light reflecting device 11 has a plurality of light reflecting devices 11, and the plurality of light reflecting devices 11 are arranged along the vertical direction, and a gap is provided between two adjacent light reflecting devices 11. The plurality of light reflecting devices 11 can reflect light from the light collecting windows on the surfaces with different heights respectively, so that the area of the light reflecting cross section is increased, and the brightness of the reflected light is improved.
As shown in fig. 3, the supporting arms 111a of the brackets 111 extend outward (i.e., extend in a direction away from the light-receiving surface 20) along a direction perpendicular to the second rotating shaft 113 on a horizontal plane, the lengths of the supporting arms 111a of the plurality of brackets sequentially increase from top to bottom, the distances between the light-reflecting plates 112 of the plurality of light-reflecting devices 11 and the light-receiving surface sequentially increase from top to bottom, and the projections of the plurality of light-reflecting plates 112 on a vertical plane do not overlap with each other, so as to prevent the light-blocking phenomenon from occurring between the plurality of light-reflecting plates 112, and the lengths of the supporting arms 111a of the plurality of brackets sequentially increase from top to bottom, so that the light-reflecting plate 112 located above can be effectively prevented from blocking the light-reflecting plate 112 located below.
The light reflecting plate 112 includes a substrate and a light reflecting film disposed on the substrate. The reflector 112 is preferably made of engineering plastics, which are plastics that can be used as engineering materials and can replace metals for manufacturing machine parts and the like. The engineering plastic has excellent comprehensive performance, high rigidity, small creep, high mechanical strength, high heat resistance and high electric insulating property, and may be used in harsh chemical and physical environment for long period.
The reflective film is attached to the upper surface of the substrate. The reflector 112 is built outside the warehouse, so that the warehouse has the advantages of strong capability of resisting wind, snow and direct sunlight, high stability and the like.
The first power device 122 and the second power device 121 may be implemented by stepping motors, respectively, a power output shaft of the first power device 122 and the first rotating shaft 114, and a power output shaft of the second power device 121 and the first rotating shaft 114 may be connected by gear engagement, and the control device 13 controls the number of steps of the stepping motors to rotate the light reflecting device 12 or the support 11.
The control method further comprises the step of detecting the reflection intensity and sending the reflection intensity to the control device 13, and the control device 13 adjusts the brightness of the indoor lighting equipment according to the reflection intensity, so that the requirements of energy conservation and work lighting are met.
The computer lab and the flammable goods region of stacking are the high risk region of conflagration, also are the key area of fire control, carry out the temperature perception to the regional environment of control in real time through infrared thermal imaging's mode in this embodiment. The temperature is a necessary factor for fire formation, and by monitoring the temperature, if a fire danger preset value is reached, the system can give an alarm and display.
The picture that the thermal imaging system formed, the real-time temperature value of the equipment of easily getting on fire and the conflagration source point position after taking place the conflagration all can show through the display, can help staff's quick latched position, carry out safe investigation.
As shown in fig. 7, it is preferable that the fire monitoring and early warning control step in this embodiment includes:
detecting infrared radiation of a target;
performing photoelectric conversion on the detection signal, generating an infrared image and outputting the infrared image;
and comparing the value in the infrared image with a reference value, and generating a fire early warning signal to output when the value is greater than the reference value.
In order to prevent abnormal data from interfering judgment and generate false alarm, the method also comprises the step of carrying out edge detection on the infrared image. If a fire disaster occurs, a high-temperature object firstly has a certain shape and volume, and according to the characteristics of temperature distribution, the high-temperature object is continuous and does not jump, pixels representing the high temperature are continuous in space and can be linear, punctiform or blocky, and the like, if the value of an area larger than a reference value in an infrared image is continuously distributed, and the number of the pixels in the area is larger than a set value, a fire early warning signal is generated and output.
If the circuit is short-circuited due to circuit aging, overlarge load and the like, instantaneous large current can be generated to excite electric sparks, the electric sparks easily ignite surrounding objects, and great potential safety hazards exist. Once the object is ignited and a sustained fire is established, indicating that a fire has occurred, reorganization personnel may be quite passive in fighting. In order to prevent the occurrence of the condition of missing report and improve the detection and early warning accuracy of the method, the preferable fire monitoring and early warning control step of the embodiment further includes: detecting the current in the circuit, generating a fire early warning signal to output when the current is larger than a reference current value, and starting timing; and if no external input signal cancels the fire early warning signal within the set time, executing the automatic power-off action. After the staff receives the early warning signal and processes and checks, the early warning signal can be cancelled through an external input device such as a switch, a key and the like, and the system receives the cancellation signal to indicate that the danger is eliminated and stops sending out the fire early warning signal. Otherwise, if the early warning signal is not received within the set time, and no one is considered to process, the automatic power-off action is executed, and more serious disasters caused by electricity are prevented.
The scheme has the advantages that the perception can be predicted before a fire disaster happens, and early warning prompt is timely carried out. The real fire is prevented from being generated. Meanwhile, the false alarm situation is avoided by combining the image processing mode.
When the short circuit is caused by circuit failure and the like, the lighting power supply is disconnected, and the hardware equipment adopted in the fire monitoring and early warning control step of the embodiment is powered by the emergency power supply. Detection and early warning can be continuously carried out. The occurrence of a blind zone in the detection in time is prevented.
The method preferably further comprises energy consumption abnormity alarming, the consequences caused by warehouse shutdown due to equipment abnormity are very serious, the occurrence of faults cannot be predicted in advance by manpower, equipment operation rule curves can be accumulated through operation data of a single device, alarming information is timely sent once the abnormal operation of the device is found, the operation state of the device, the service life of the device and the like are analyzed on the premise that a large amount of device operation data are accumulated, the basis is provided for planned maintenance of the device, the occurrence of the faults is greatly reduced, energy consumption is monitored, alarming is immediately carried out when abnormal conditions such as overhigh energy consumption and the like occur, workers are reminded to troubleshoot the faults and take corresponding measures, and the phenomenon that energy is continuously wasted is prevented. At the same time, the faulty device also risks causing a fire. The scheme can block all possible risk factors forming fire, has higher accuracy and reliability, and can reduce much property loss and casualties.
In order to obtain a good illumination environment and save energy, the natural lighting requirement of the warehouse needs to meet the working illumination requirement of the warehouse in the daytime so as to ensure the requirement of the daily working visual field brightness of workers. In general warehouses, the number of windows or the area of the windows is increased to increase lighting, and the lighting degree of the warehouses is in important relation with the design of the windows. However, once the warehouse is built, the shape structure of the warehouse is basically shaped, and lighting is easily affected by the sun irradiation angle, so that the embodiment describes the light supplement control method in detail in the foregoing content, sunlight can be reflected into the warehouse without being limited by the incident angle, and then another problem occurs.
In addition, logistics warehouse shipment is carried out at night basically, and the power consumption at night is far more than in the daytime, and in the night operation, there is not the light filling in the warehouse, need open all lighting apparatus in order to satisfy the work demand, and the energy consumption is also very huge. Some areas may be unmanned, the lighting equipment which does not need to be lighted is generally turned off manually at present, and in some cases, workers need to shuttle among the areas for operation, frequent manual control is not practical, and the operation is required to be turned on completely, so that energy consumption is wasted. Based on this, in the present embodiment, by designing the lighting control step to include the brightness adjustment of the lighting device and the turn-on number adjustment of the lighting device, all the above-described problems can be solved simultaneously.
As shown in fig. 8, the brightness adjustment of the lighting apparatus includes:
detecting the illumination of the supplementary lighting;
and adjusting the brightness of the currently started lighting equipment according to the illumination of the supplementary lighting.
Specifically speaking, through set up the illuminometer on reflection receiving surface or daylighting window, according to the illuminance of light filling, adjust lighting apparatus's luminance, realize infinitely variable control, promptly, when the illuminance of light filling is high, lighting apparatus's luminance is transferred down, when the illuminance of light filling is low, with lighting apparatus's luminance corresponding heightening, the light that also provides of light filling and lighting apparatus satisfies workman's operation needs all the time, reaches the most comfortable luminance of human physiology simultaneously and does not waste the electric energy.
In order to solve the problem of automatically adjusting the turn-on of the lighting device according to the existence state of people, the step of adjusting the turn-on number of the lighting device in the embodiment includes:
dividing the warehouse into a plurality of areas, wherein each area comprises a plurality of lighting devices;
detecting movable bodies in each area, and when the number of the movable bodies in the area is larger than a set number, turning on all lighting equipment in the area;
when the number of the movable bodies in the area is not more than the set number and is more than 0, turning on part of lighting equipment in the area;
when the number of moving bodies of the area is 0, all the lighting devices of the area or a part of the lighting devices of the area are turned off.
The logistics warehouse is operated at night, and lighting light is guaranteed even if no-man operation area exists, so that most lighting equipment is turned off when no one is in operation, and the lighting brightness meets the brightness required by basic monitoring. If the place without lighting needs to be lighted, all lighting devices can be turned off, and the lighting devices can be selected according to actual needs.
Detect the activity body, that is to say in order to detect the human body, the detection accessible infrared detection of activity body, modes such as ultrasonic detection, the inside surveillance camera head that all is equipped with in warehouse nowadays, can also utilize current surveillance camera head to detect the activity body. When the monitoring camera is used for detection, people are identified by using machine vision, and the lighting lamp of the working area is automatically turned off by using vision observation after a worker leaves the working area; when the detection result shows that the working personnel arrives at the working area, the illuminating lamp is automatically turned on, and the good operation of the working personnel is ensured. Simultaneously can also be according to staff's quantity control lighting apparatus the quantity of opening, the people is more, and the sight shelters from easily, and the lighting apparatus who opens is more.
Example two
This embodiment provides an intelligent warehouse energy management system, includes:
the light supplementing control system is used for controlling and adjusting the light reflecting angle of the light reflecting device to supplement light for the warehouse according to the current sunlight incident light information;
the fire monitoring and early warning system executes fire judgment control;
the lighting control system is used for controlling the lighting equipment to work according to the illumination brightness and/or the personnel existence state in the warehouse.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding claims.
Claims (8)
1. An intelligent warehouse energy management method is characterized by comprising the following steps: one or more combinations of a supplementary lighting control step, a fire monitoring and early warning control step and an illumination control step;
the light supplement control step is used for controlling and adjusting the light reflection angle of the light reflection device to supplement light for the warehouse according to the incident light information of the current sunlight;
the fire monitoring and early warning control step is used for executing fire judgment control;
the lighting control step is used for controlling the lighting equipment to work according to the lighting brightness and/or the personnel existence state in the warehouse;
the supplementary lighting control step comprises:
determining a light reflection receiving surface, wherein the light reflection receiving surface and the lighting window are positioned on the same plane;
acquiring incident light information of current sunlight, wherein the incident light information at least comprises a solar altitude angle;
determining a reflecting surface according to the solar altitude angle and the reflecting receiving surface;
and adjusting the reflecting plane of the reflecting device to make the included angle between the reflecting plane and the horizontal plane consistent with the included angle between the reflecting plane and the horizontal plane.
2. The intelligent warehouse energy management method of claim 1 wherein the incident light information further comprises solar azimuth angles;
and adjusting a reflecting plane of the reflecting device according to the solar azimuth angle to meet the condition that the projection of the reflecting plane in the horizontal direction is vertical to the projection of incident light in the horizontal direction.
3. The intelligent warehouse energy management method according to claim 1 or 2, wherein the fire monitoring and early warning control step comprises:
detecting infrared radiation of a target;
performing photoelectric conversion on the detection signal, generating an infrared image and outputting the infrared image;
comparing the value in the infrared image with a reference value, and generating a fire early warning signal to output and starting timing when the value is greater than the reference value;
and if no external input signal cancels the fire early warning signal within the set time, executing the automatic power-off action.
4. The intelligent warehouse energy management method according to claim 3, further comprising a step of performing edge detection on the infrared image, and if values in the infrared image, which are larger than a reference value area, are continuously distributed and the number of pixels in the area is larger than a set value, generating a fire warning signal for output.
5. The intelligent warehouse energy management method of claim 3, wherein the fire monitoring and early warning control step further comprises: and detecting the current in the circuit, and generating a fire early warning signal to output when the current is greater than the reference current value.
6. The intelligent warehouse energy management method according to claim 5, wherein the hardware devices used in the fire monitoring and early warning control step are powered by emergency power.
7. The intelligent warehouse energy management method according to claim 1 or 2, wherein the lighting control step comprises brightness adjustment of lighting devices and turn-on number adjustment of lighting devices;
the brightness adjustment of the lighting device includes:
detecting the illumination of the supplementary lighting;
adjusting the brightness of the currently started lighting equipment according to the illumination of the supplementary lighting;
the adjustment of the number of the lighting devices to be turned on includes:
dividing the warehouse into a plurality of areas, wherein each area comprises a plurality of lighting devices;
detecting movable bodies in each area, and when the number of the movable bodies in the area is larger than a set number, turning on all lighting equipment in the area;
when the number of the movable bodies in the area is not more than the set number and is more than 0, turning on part of lighting equipment in the area;
when the number of moving bodies of the area is 0, all the lighting devices of the area or a part of the lighting devices of the area are turned off.
8. An intelligent warehouse energy management system, comprising:
the light supplementing control system is used for controlling and adjusting the light reflecting angle of the light reflecting device to supplement light for the warehouse according to the current sunlight incident light information;
the fire monitoring and early warning system executes fire judgment control;
the lighting control system is used for controlling the operation of the lighting equipment according to the illumination brightness and/or the personnel existence state in the warehouse, and the intelligent warehouse energy management system comprises the intelligent warehouse energy management method according to any one of claims 1 to 7.
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