Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a strawberry cultivation lamp, which can obtain a spectrum most suitable for growth of strawberries by matching lamp beads capable of showing light most suitable for growth of strawberries, promote growth of the strawberries and improve yield and quality of the strawberries.
In order to realize the technical scheme, the invention provides a strawberry cultivation lamp, wherein the light-emitting device comprises a substrate and a plurality of lamp beads which are arranged on the substrate and can present light with different wavelengths, and the plurality of lamp beads are in communication connection with the controller through the substrate;
the lamp beads respectively present light with specific wavelength, and comprise red lamp beads presenting red light with the wavelength range of 625-635 nm, blue lamp beads presenting blue light with the wavelength range of 440-455 nm and white lamp beads presenting white light.
In the above scheme, the communication connection comprises signal transmission connection and electric connection, and the lamp beads are LED lamp beads capable of presenting light with specific wavelength.
In the spectrum that the suitable strawberry grows, the luminous specific wavelength range of red light pearl and blue light pearl is the preferred range that technical staff obtained on the basis of a large amount of illumination experiments, the red light of specific wavelength range can maximize the speed that promotes strawberry leaf photosynthesis, promote the content of chlorophyll in the leaf, and the blue light of specific wavelength range can show improvement leaf gas pocket guide, this spectrum can make the strawberry go on the market in advance, also can improve the single fruit quality of strawberry, single plant output, also can improve the solid acid ratio of fruit, promote the taste and the flavor of strawberry fruit.
Furthermore, the number ratio range of the red lamp beads, the blue lamp beads and the white lamp beads arranged on the substrate is (5-7): (3-2): 32-31).
The proportion of the red, blue and white lamp beads is the ratio of the lamp beads which are determined after a large number of experiments and are most suitable for the growth of the strawberries, and the yield and the quality of the strawberries are the highest and the distortion rate is the lowest under the proportion.
Furthermore, the number of the lamp beads arranged on the substrate is not less than 400, and the power of each lamp bead is not less than 0.2W.
In the technical scheme, the number of the lamp beads on the strawberry planting lamp is limited to improve the heat dissipation capacity of the lamp, the lamp easily generates more heat during high-power light supplement, the more the lamp beads are, the more uniform the heat distribution is, and the probability of damage of the lamp due to heating is reduced; the more the number of the lamp beads is, the more uniform arrangement of the lamp beads in different wave bands can be realized;
and the power of each lamp bead is not lower than 0.2W, so that the lamp has a high enough illumination intensity upper limit, and the adaptability of the lamp to the environment with higher illumination intensity requirements is improved.
Further, the lamp beads capable of presenting light with different wavelengths are uniformly distributed on the substrate.
Furthermore, the lamp beads capable of presenting light with different wavelengths are uniformly distributed on the substrate to form a plurality of layers of concentrically arranged lamp rings, and the lamp beads presenting light with different wavelengths on each layer of lamp rings are uniformly arranged.
According to the technical scheme, the lamp beads are uniformly distributed, the uniform and symmetrical distribution of the lamp beads in various wave bands on the light-emitting device is realized, and the uniformity of the light quality of the light emitted by the light-emitting device is further realized.
Further, the distribution number of the red lamp beads and the blue lamp beads on the lamp ring is reduced along with the increase of the diameter of the lamp ring.
According to the scheme, when the lamp beads are guaranteed to be uniformly distributed as far as possible, the red lamp beads and the blue lamp beads which are small in quantity are concentrated as far as possible, the red lamp beads and the blue lamp beads are prevented from being too dispersed, and the illumination effect is reduced.
As a substitute of the above technical solution, the lamp beads that present light with different wavelengths are uniformly divided into at least two lamp bead groups, the proportions of the lamp beads that present light with different wavelengths in each of the lamp bead groups are the same, and the lamp beads in each of the lamp bead groups are uniformly distributed on the substrate.
Furthermore, the lamp beads capable of presenting light with different wavelengths in each lamp bead group are uniformly distributed on the substrate to form a plurality of concentrically arranged lamp rings, and the lamp beads presenting light with different wavelengths on each layer of lamp rings are uniformly arranged.
Furthermore, the different lamp bead groups are uniformly arranged on the substrate at equal intervals.
Above-mentioned alternative technical scheme is through dividing into the lamp pearl and arranging a plurality of lamp pearl groups that the exact is the same, has further improved the homogeneity of the light that lamps and lanterns sent.
Further, the required spectral information of different growth stages of strawberry is preset in the controller, and the controller controls the on-off state of the lamp beads displaying light with different wavelengths through the substrate according to the spectral information.
Further, the controller is internally preset with illumination intensity information required by the strawberries at different growth stages, the strawberry cultivation lamp further comprises,
the light intensity sensor is connected with the controller and used for detecting the illumination intensity of the strawberry growing environment;
the light intensity sensor continuously detects the illumination intensity of the strawberry growing environment, the detection result is sent to the controller, the controller compares the received detection result with preset illumination intensity information, and the illumination intensity of the lamp beads displaying light with different wavelengths is adjusted according to the comparison result.
Further, the strawberry cultivation lamp also comprises a lamp body,
the timer is connected with the controller, and the illumination time required by the strawberries in different growth stages every day is preset in the timer;
the timer sends two kinds of signals of opening and closing to the controller, and the controller presents the on-off state of the lamp pearl of the light of different wavelengths through base plate control according to the kind of the signal of receiving the timer and sending.
The time-recorder can time the light filling time, and after illumination time satisfied strawberry growth needs, the time-recorder can be to the controller signals, and the controller is controlled strawberry planting lamps and lanterns are opened and are closed according to the signal, has realized the accurate control to illumination time.
Furthermore, in order to realize more accurate control, the timer takes 24 hours as a period, starts to time in the same time period every day, and sends a signal to the controller, so that the consistency of the illumination period is ensured.
In order to guarantee the accuracy of time, the timer also has an automatic adjusting function, the error between the timing period and the actual period is automatically judged according to the longitude and latitude of the region, and correction is carried out, so that the accuracy of the illumination period is guaranteed.
Furthermore, still be equipped with the circular connector on strawberry cultivation lamps and lanterns.
The strawberry planting lamps can be connected through the aviation plugs, unified control is achieved, and the aviation plugs can also be connected with the control console to achieve respective control.
Furthermore, the shell is provided with a ventilation hole for heat dissipation of the lamp.
The strawberry planting lamp and the lamp control method have the advantages that: the red light and the blue light in a smaller wavelength range are accurately limited, the requirement of strawberry growth on light with a specific wavelength is accurately met, the photosynthesis rate of the strawberries is improved, the growth period of the strawberries is reduced, the single fruit quality of the strawberries is improved, and the maximum single fruit quality and the single plant yield of the strawberries are improved; by controlling the light-quality ratio of the strawberry planting lamp, the light-quality ratio is controlled in a range most suitable for growth of strawberries, the acid fixation ratio and Vc content of fruits are improved, and the taste and flavor of the strawberry fruits are improved; the lamp beads are uniformly arranged, so that the uniformity of the illumination light quality is realized, the setting method of the lamp bead group can realize the adjustment of the illumination intensity by independently controlling the lamp bead group while the uniformity of the illumination light quality is improved, and the intensity adjustment mode is enriched; the detection sensor can monitor the illumination intensity of the strawberry growth environment in real time, dynamically supplement light, ensure the uniformity of light intensity in illumination time, and accurately control the illumination time of the strawberry, so that the error rate is lower; the power of the light supplement lamp is controlled and/or the on and off of each lamp bead group on the substrate are respectively controlled, so that the illumination intensity is adjusted, the intensity adjusting mode is enriched, and the light supplement lamp can meet the requirements on light intensity under various different conditions; the aviation plug arranged on the strawberry planting lamp can realize independent control and integrated control of the lamp through different connections, and control modes are enriched.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings, and it will be understood by those skilled in the art that the following embodiments are only for explaining the technical principles of the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a detachable connection, or an integral connection; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention according to their specific situation.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The invention provides a strawberry planting lamp, which is structurally shown in figure 1 and comprises a shell 1, a substrate 2, lamp beads 3, a controller 5, a light intensity detection module 6, a timer 7 and a ventilation hole 8, wherein the lamp beads 3 are arranged on one side of the substrate 2 and face the outside of the shell 1, the lamp beads 3 comprise red lamp beads, blue lamp beads and white lamp beads, a detection sensor comprises the light intensity detection module 6 and the timer 7, the detection sensor is arranged on the shell 1, a convex structure protruding towards the direction opposite to the opening direction of the shell 1 is arranged in the shell 1, the controller 5 is arranged in a groove formed by the convex structure in the shell 1, and the controller 5 is respectively connected with a light-emitting device and the detection sensor.
Example one
As an embodiment of the present invention, the embodiment provides a strawberry cultivation lamp, which has a structure shown in fig. 1, and includes a controller 5 and a light emitting device, where the controller 5 is in communication connection with a lamp bead 3 on the light emitting device, the light emitting device of the lamp includes a substrate 2 and the lamp beads 3 uniformly installed on the substrate 2, the lamp beads 3 include a red lamp bead, a blue lamp bead and a white lamp bead, a wavelength range of light emitted by the red lamp bead is 625-635 nm, and a wavelength range of light emitted by the blue lamp bead is 440-455 nm.
In this embodiment, red lamp pearl, blue lamp pearl and white lamp pearl are the LED lamp pearl that can present the light of specific wavelength, and the communication connection includes signal transmission connection and electricity and connects.
The specific wavelength range is an optimal range obtained by technicians on the basis of a large number of illumination experiments, red light in the wavelength range can maximally improve the photosynthesis speed of strawberry leaves, the chlorophyll content in the leaves is improved, blue light in the wavelength range can obviously improve the porosity conductance of the leaves, and the planting lamp with the red light and the blue light with the specific wavelength can obviously improve the single fruit quality and the single plant yield of the strawberries and the solid acid ratio of the strawberries.
Furthermore, the number of the lamp beads 3 in the light-emitting device is not less than 400.
Further, six ventilation holes 8 are provided in the housing 1, and are distributed as shown in fig. 3.
Because of the strawberry plant lamps and lanterns power is higher, the temperature distribution in the lamp body is inhomogeneous when 3 figure of lamp pearl are less, and the subregion produces the damage because of the temperature is higher easily, reduces the life of lamps and lanterns, and the technical staff experiment discovers, and 3 figure of lamp pearl are more than 400 times, and the inside temperature of lamp body can more even distribution, and single lamp pearl 3's heat is lower, can reach comparatively stable radiating effect under the condition of not installing heat abstractor additional.
Furthermore, the proportion range of the red lamp beads, the blue lamp beads and the white lamp beads is 5-7: 3-2: 32-31.
Above-mentioned lamp pearl 3's ratio also is the most suitable strawberry growth's that the technical staff obtained after many times of experiments proportion, under this illumination proportion, the blue light proportion is a little higher than the proportion that satisfies the required blue light of strawberry growth, the gas pocket guide of improvement strawberry leaf that can be better, influence going on of photosynthesis, and the ratio of red lamp pearl and blue lamp pearl is with the energy ratio control of two kinds of chromatic light at 1 ~ 1.2, illumination is comparatively unified to strawberry growth speed and health degree's influence under this ratio, the excessive growth that leads to has been avoided pursuing the output, also avoided excessively pursuing plant health status and reduced the output and the quality of strawberry.
Further, in order to improve the uniformity of the light emitted by the light emitting device, the lamp beads 3 with different wave bands are uniformly distributed on the substrate 2 from the edge to the center to form a plurality of lamp rings, and the arrangement mode of the lamp beads 3 on the substrate 2 is shown in fig. 4.
Furthermore, the lamp beads 3 with the same color and wavelength are uniformly distributed on the substrate.
The specific arrangement method overcomes the defect that the uniformity of light quality is neglected by paying attention to spectrum when the LED lamp is subjected to light supplement, and the lamp beads 3 of various different wave bands which are arranged by the method are uniformly arranged on the substrate 2, so that the light quality of the light irradiated in each direction is the same.
Furthermore, a plurality of vent holes 8 are uniformly arranged on the shell 1.
The strawberry cultivation lamp in the technical scheme is reduced in equal proportion to obtain the strawberry light supplement lamp for the family self-planting single-plant strawberries, and the application range of the lamp is expanded.
The strawberry after reducing is planted on lamps and lanterns the number of lamp pearl 3 and is no less than 40, and when 3 figure of lamp pearl were less than 40, can't satisfy the light quality ratio demand. The application range of the lamp is expanded.
Further, at two sides of the shell 1 and the edge of the opening direction of the shell 1 flush and symmetrically provided with two detection sensors, the detection sensors comprise a light intensity detection module 6 for detecting light intensity and a timer 7 for controlling illumination time, and the light intensity detection module 6 and the timer 7 are both connected with the controller 5.
The control method of the lamp comprises the following steps:
the light intensity detection module 6 in the detection sensor can regularly detect indoor illumination intensity and feed back the detection result to the controller 5, and the controller 5 compares the detection result with the preset illumination intensity range and adjusts the light emitting device according to the difference value between the detection result and the preset illumination intensity range, so that the illumination intensity in the strawberry growth process is always kept in the preset illumination intensity range.
The timer 7 among the detection sensor can time plant light filling time, and after illumination time satisfied strawberry growth needs, the timer 7 can be to controller 5 signals, and controller 5 is controlled strawberry planting lamps and lanterns are opened and are closed according to the signal, has realized the accurate control to illumination time.
The other timing mode is as follows: the timer 7 takes 24 hours as a period, starts timing at the same time period every day, sends a signal to the controller 5, the controller 5 controls the lamp to be opened, meanwhile, the controller 5 sends a signal to the light intensity detection module 6, the light intensity detection module 6 starts working, when the timing time of the timer 7 meets the strawberry growth illumination time, the signal is sent to the controller 5 again, the controller 5 controls the lamp to be closed, and the consistency of the illumination period is guaranteed.
The timing mode which is further improved on the basis of the timing mode is as follows: the timer 7 has an automatic adjusting function, automatically judges the time period of the strawberry requiring illumination every day according to the longitude and latitude of the region, avoids the delay of illumination time caused by the error between a fixed period and an actual day and night cycle period, and ensures the accuracy of the illumination period.
On the basis of the technical scheme, the aviation plug can be added on the strawberry planting lamp, and the aviation plug can realize connection among the lamps and connection between the lamps and the central control system.
When the strawberry cultivation lamp is arranged in a large scale, the central control system is respectively connected with each strawberry cultivation lamp, so that the adjustment of a single lamp is realized, and the adjustment sensitivity is improved; the plurality of strawberry planting lamps are connected, so that the central control system can uniformly adjust the greenhouse light supplement system, complex wiring is avoided, and potential safety hazards are reduced.
Example two
As another embodiment of the present invention, the embodiment provides a strawberry cultivation lamp, which has a structure shown in fig. 2, and includes a controller 5 and a light emitting device, where the controller 5 is in communication connection with a lamp bead 3 on the light emitting device, the light emitting device includes a substrate 2 and a lamp bead 3 disposed on the substrate 2, the lamp bead 3 includes a red lamp bead, a blue lamp bead and a white lamp bead, a wavelength range of light emitted by the red lamp bead is 625-635 nm, and a wavelength range of light emitted by the blue lamp bead is 440-455 nm.
In this embodiment, red lamp pearl, blue lamp pearl and white lamp pearl are the LED lamp pearl that can present the light of specific wavelength, and the communication connection includes signal transmission connection and electricity and connects.
Further, the lamp beads 3 are uniformly divided into a plurality of lamp bead groups 4, the number and proportion of the lamp beads 3 presenting light with different wavelengths in each lamp bead group 4 are completely the same, as shown in fig. 5, each lamp bead group 4 is uniformly distributed on the substrate 2 to form a plurality of concentrically arranged lamp rings, the lamp beads 3 presenting light with different wavelengths on each lamp ring are uniformly arranged, and the plurality of lamp bead groups 4 are uniformly arranged on the substrate 2.
Furthermore, the positions of the lamp beads 3 with the same wave band in the lamp bead group 4 are symmetrical relative to the central lamp bead 3, and the arrangement positions of the lamp beads 3 with the same wave band are the same in all the lamp bead groups 4 on the same light-emitting device.
In the alternative scheme, the lamp beads 3 are uniformly divided into a plurality of groups and are arranged in the same arrangement mode to obtain a plurality of lamp bead groups 4, and then each lamp bead group 4 is respectively connected with the controller 5, so that the controller 5 can independently control each lamp bead group 4, and the controllability of the lamp is improved; according to the difference of relative position between the strawberry planting lamp and the strawberry planting groove, the illumination intensity of each lamp bead group 4 is adjusted, and the uniformity of the illumination intensity of strawberries in the greenhouse is improved.
Preferably, the distances between the adjacent three bead groups 4 are arranged on three vertexes of an equilateral triangle in the same way.
According to the arrangement method, the lamp bead groups 4 can be arranged on the substrate 2 as densely as possible, stronger illumination can be realized on the premise of not increasing the size of the lamp, and the adjustment range of illumination intensity is expanded.
Further, at two sides of the shell 1 and the edge of the opening direction of the shell 1 flush and symmetrically provided with two detection sensors, the detection sensors comprise a light intensity detection module 6 for detecting light intensity and a timer 7 for controlling illumination time, and the light intensity detection module 6 and the timer 7 are both connected with the controller 5.
On the basis of the technical scheme, the aviation plug can be added on the strawberry planting lamp, and the aviation plug can realize connection among the lamps and connection between the lamps and the central control system.
When the strawberry cultivation lamp is arranged in a large scale, the central control system is respectively connected with each strawberry cultivation lamp, so that the adjustment of a single lamp is realized, and the adjustment sensitivity is improved; the plurality of strawberry planting lamps are connected, so that the central control system can uniformly adjust the greenhouse light supplement system, complex wiring is avoided, and potential safety hazards are reduced.
Furthermore, a plurality of vent holes 8 are uniformly arranged on the shell 1.
The strawberry cultivation lamp in the technical scheme is reduced in equal proportion to obtain the strawberry light supplement lamp for the family self-planting single-plant strawberries, and the application range of the lamp is expanded.
The strawberry after reducing is planted on lamps and lanterns the number of lamp pearl 3 and is no less than 40, and when 3 figure of lamp pearl were less than 40, can't satisfy the light quality ratio demand. The application range of the lamp is expanded.
The control method of the lamp comprises the following steps:
the light intensity detection module 6 in the detection sensor can regularly detect indoor illumination intensity and feed back the detection result to the controller 5, and the controller 5 compares the detection result with the preset illumination intensity range and adjusts the light emitting device according to the difference value between the detection result and the preset illumination intensity range, so that the illumination intensity in the strawberry growth process is always kept in the preset illumination intensity range.
The timer 7 among the detection sensor can time plant light filling time, and after illumination time satisfied strawberry growth needs, the timer 7 can be to controller 5 signals, and controller 5 is controlled strawberry planting lamps and lanterns are opened and are closed according to the signal, has realized the accurate control to illumination time.
The other timing mode is as follows: the timer 7 takes 24 hours as a period, starts timing at the same time period every day, sends a signal to the controller 5, the controller 5 controls the lamp to be opened, meanwhile, the controller 5 sends a signal to the light intensity detection module 6, the light intensity detection module 6 starts working, when the timing time of the timer 7 meets the strawberry growth illumination time, the signal is sent to the controller 5 again, the controller 5 controls the lamp to be closed, and the consistency of the illumination period is guaranteed.
The timing mode which is further improved on the basis of the timing mode is as follows: the timer 7 has an automatic adjusting function, automatically judges the time period of the strawberry requiring illumination every day according to the longitude and latitude of the region, avoids the delay of illumination time caused by the error between a fixed period and an actual day and night cycle period, and ensures the accuracy of the illumination period.
Experimental example 1
As another embodiment of the present invention, in the embodiment, the strawberry cultivation lamp with the structure shown in fig. 1 in the embodiment is used for performing an illumination experiment on strawberry plants, so that the influence of the lamp structure on the experiment is eliminated; and in the test process, the red lights with different wavelengths are used for testing, and the influence of the red lights with different wavelengths on the photosynthesis of the strawberries is tested.
The experimental conditions include that 16 strawberries are simultaneously illuminated, every 4 strawberries of the 16 strawberries are arranged in a row to form a square planting area with 4 rows, the distance between the plants is 30cm, the vertical distance between a strawberry planting lamp and the planting area is 1.1m, the experimental time is 7 days, data acquisition is carried out at 10: 00-10: 30 in the morning every day, the uniform illumination intensity is kept in the experimental process, and the range is 490-505 mu mol/m2/s。
The irradiation is carried out by using monochromatic light with different wavelengths, and the average value of the test results is as follows:
as can be seen from the table, under the irradiation of red light with the wavelength of 630nm, the net photosynthetic rate of the strawberries is the highest, the influence on the transpiration rate and the stomatal conductance is similar to that of red light with other wavelengths, and no adverse effect is caused on the photosynthesis of the strawberries; the transpiration rate is increased along with the increase of the wavelength of the same color light, and in order to ensure the highest net photosynthesis and combine with the adjustment error, the wavelength range of red light is selected to be 625-635 nm.
Experimental example two
The experimental example was conducted using the same conditions as in the first experimental example except that blue light of different wavelengths was used, and the average values of the test results are shown in the following table:
as can be seen from the table, the influence of the blue light with different wavelengths on the net photosynthetic rate and the transpiration rate is similar, but the influence of the blue light with the wavelength of 450nm on the stomatal conductance is the largest, the influence of the blue light with the wavelength of 440nm on the stomatal conductance is the second, the influence of the blue light with the residual wavelength on the stomatal conductance is not greatly changed, and therefore, the wavelength range of the selected blue light is 440-450 nm
Experimental example III
The experimental example uses the same conditions as the experimental example I, except that the experiment is carried out by using the proportion of red light, blue light and white light with different wavelengths, the proportions of the red light bead, the blue light bead and the white light bead in the experiment are the same and are all 5:3:32, the experiment time is three months, the experiment is respectively carried out at 15d, 30d, 45d, 60d and 90d, and the average value of the test results is shown in the following table:
as can be seen from the above table, in the two groups of data with the same mixture ratio of 5:3:32, the fourth group and the fifth group, which are respectively the red light wavelength of 630nm and the blue light wavelength of 440nm and 450nm, the single fruit quality, the maximum single fruit quality, the single plant fruit number and the single plant yield are significantly improved compared with other groups of data, and the group 4 is higher than the group 5 in yield and single fruit weight, which confirms that the experimental result that the red light wavelength range of 625-635 nm and the blue light wavelength range of 440-455 nm promote the growth and the result of the strawberry is the maximum in the above experimental example.
Experimental example four
The experimental example uses the same conditions as the third experimental example to perform experiments, the difference lies in that the experiments are performed by using red light, blue light and white light with the same wavelength, the proportions of the red light bead, the blue light bead and the white light bead are changed, the influence of the test results on the quality of the strawberry fruits is tested, and the average value of the test results is shown in the following table:
as can be seen from the table above, when the light-mass ratio of the experimental groups 4-8 is used for illumination, the solid-acid ratio and Vc content in the strawberries are higher than those of the experimental groups 1-3, and the contents of titratable acid and protein are lower than those of the experimental groups 1-3; the higher the titratable acid and the protein, the poorer the taste and flavor of the strawberries, and the higher the solid acid ratio, the more soluble solid matters in the strawberries are, and the more Vc content, the higher the nutrient content of the strawberries is, so that the quality and the taste of the strawberries in the experimental groups 4-7 are better than those in the experimental groups 1-3.
Compared with the experiment groups 4-7, the titratable acid content and Vc content of the experiment group 7 are lower than those of the experiment groups 4-6, and the experiment data can be combined to judge that the light quality ratio is 5-7: 3-2: 32-31, so that the strawberry obtained by irradiating the strawberry has the best taste and the highest nutritional component.
In addition, the distortion rate of the experimental groups 4-7 is also obviously reduced compared with other experimental groups, and further shows that the light-mass ratio in the experimental groups 4-7 is most suitable for strawberry growth.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiments by using the technical contents disclosed above without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.