CN114150962B

CN114150962B - Solve shielding door of curve platform and press from both sides infrared detection device of thing of pressing from both sides

Info

Publication number: CN114150962B
Application number: CN202111571424.XA
Authority: CN
Inventors: 赵晏群
Original assignee: Shanghai Liyu New Energy Technology Co ltd
Current assignee: Shanghai Liyu New Energy Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-02-07
Anticipated expiration: 2041-12-21
Also published as: CN114150962A

Abstract

The invention relates to an infrared detection device for solving the problem that people are clamped between shielding doors of a curve platform, which comprises a detection module and a detection module, wherein the detection module is used for detecting foreign matters between the platform door and train doors and comprises a plurality of detection mechanisms, a first detection mechanism is arranged at the middle lower part of the first train door, a second detection mechanism is arranged at the middle upper part of the second train door, and a third detection mechanism is arranged at the middle position of the top of the platform door; the detection module is used for acquiring the pressure when the platform door and the train door are closed, and comprises a first detection unit arranged at the opening and closing position of the platform door and a second detection unit arranged at the opening and closing position of the train door. The invention is provided with a central control module which is connected with a detection module and is used for adjusting the closing rate of train doors and platform doors according to the object clamping probability between a train and a platform acquired by a detection unit.

Description

Solve shielding door of curve platform and press from both sides infrared detection device of thing of pressing from both sides

Technical Field

The invention relates to the field of platform screen doors, in particular to an infrared detection device for solving the problem that people are clamped by the screen door of a curved platform.

Background

The curve is divided into two types of curve with relaxation and curve without relaxation, generally, if the passenger train passes through the main line and the arrival and departure line, if the platform is on the curve, the curve section is set to be with relaxation, the station line and the cargo line are generally set to be without relaxation in the curve section, and the platform is on the curve section.

As an important traffic facility of a modern city, in order to prevent accidents caused by crowding of platforms under the condition of large passenger flow, a shielding door is arranged between the platforms and a tunnel in most of domestic train stations at present, and a gap of about 10 cm is formed between the shielding door and a train door when the train stops, so that the financial or personnel accidents caused by the fact that passengers or carried articles are clamped in the gaps between the two doors are avoided. In order to eliminate hidden dangers and ensure the safety and stability of train operation, foreign matters in gaps need to be detected. In the case of a linear station, the foreign object detection methods mainly include manual detection, infrared detection, laser detection, and the like. At present, manual detection is adopted generally, and although the accuracy of the manual detection is guaranteed, the manual detection is time-consuming and labor-consuming and has low efficiency. More importantly, the above automatic detection method cannot be used in the case of a curved platform, and if manual detection is adopted, the labor and time costs are very high

The existing shielding door person-clamping object infrared detection device for solving the curve platform has the defects that the angle of the device is adjusted in the using process, the sensitivity of the device is poor, the detection blind area can be caused, people or objects cannot be detected, and the conditions such as congestion can be caused when the flow of people is large, so that the shielding door person-clamping object infrared detection device for solving the curve platform is provided aiming at the problems.

Disclosure of Invention

Therefore, the invention provides an infrared detection device for solving the problem that people and objects are clamped by a shielding door of a curve platform, and the technical problem that the foreign object detection result cannot be evaluated according to the detection angle and the detection height of the curve platform can be solved.

In order to achieve the above object, the present invention provides an infrared detection device for detecting the object clamping of a shielding door of a curved platform, comprising:

the detection module is used for detecting foreign matters between a platform door and a train door and comprises a plurality of detection mechanisms, wherein the first detection mechanism is arranged at the middle lower part of the first train door, the second detection mechanism is arranged at the middle upper part of the second train door, and the third detection mechanism is arranged at the middle position of the top of the platform door and comprises a detection unit, a first adjusting unit for adjusting a transverse detection angle and a second adjusting unit for adjusting a longitudinal detection length;

the detection module is used for acquiring the pressure when the platform door and the train door are closed, and comprises a first detection unit arranged at the opening and closing position of the platform door and a second detection unit arranged at the opening and closing position of the train door;

the central control module is connected with the detection module and used for acquiring the object clamping probability between a train and a platform according to the detection unit and adjusting the closing speed of the train door and the platform door, the central control module acquires the object clamping probability of the current platform according to the comparison between the curvature of the current curve platform and a preset value and acquires the detection angles of the first detection mechanism and the second detection mechanism and detects foreign objects when the platform door of the current platform is closed, the central control module acquires the object clamping probability of the current platform and compares the acquired object clamping probability of the current platform with the preset value to judge the condition that the object clamping occurs on the current platform, when the central control module judges that the object clamping occurs on the current platform, the central control module adjusts the closing speed of the train door and the platform door according to the acquired maximum detected angle and maximum height of the foreign objects so that the object clamping phenomenon does not occur on the current platform, and when the central control module judges that the object clamping does not occur on the current platform, the central control module compares the pressure values acquired by the detection module when the train door and the platform door of the preset detection mechanism and the longitudinal detection mechanism with the preset value so that the current detection angle and the detection module can acquire the next detection probability of the object clamping when the current platform door of the current platform door passes through the current platform, so that the object clamping occurs on the detection mechanism is accurate detection module.

Further, the central control module presets a curvature D of a curve, and the central control unit compares the curvature D of the current curve station with the curvature of the preset curve to obtain the lateral detection angles of the first detection mechanism and the second detection mechanism,

when D is less than or equal to D1, the central control module selects a first preset detection angle theta 1 as a transverse detection angle of the first detection mechanism and the second detection mechanism;

when D1 is larger than D and smaller than D2, the central control module selects a second preset detection angle theta 2 as a transverse detection angle of the first detection mechanism and the second detection mechanism;

when D is larger than or equal to D2, the central control module selects a third preset detection angle theta 3 as a transverse detection angle of the first detection mechanism and the second detection mechanism;

the central control module is used for presetting a curve curvature D, setting a first preset curve curvature D1 and a second preset curve curvature D2, presetting a detection angle theta, and setting a first preset detection angle theta 1, a second preset detection angle theta 2 and a third preset detection angle theta 3.

Further, when the central control module determines that the platform door is closed, the first detection mechanism and the second detection mechanism are started, and within a preset first detection time t10, the central control module obtains a current platform object clamping probability PZ, and sets PZ = p0 × (1 + (wmax-w 0)/w 0) × (1 + (hmax-h 0)/h 0) × pj, wherein p0 is an object clamping probability standard value, wmax is a maximum angle at which a foreign object is detected, hmax is a maximum height at which a foreign object is detected, pj is an object clamping probability adjusting parameter, w0 is a detection standard angle of the first detection mechanism and the second detection mechanism, h0 is a detection standard height of the first detection mechanism and the second detection mechanism, and the central control module determines whether an object clamping occurs at the current platform according to comparison of the obtained current object clamping probability with a preset object clamping probability PZ, wherein,

when pZ is less than or equal to PZ1, the central control module judges that no object clamping occurs at the current platform;

when the PZ1 is larger than the pZ and smaller than the PZ2, the central control module starts the third detection unit to obtain an object clamping probability adjusting parameter to judge the object clamping probability again;

when pZ is larger than or equal to PZ2, the central control module judges that the object clamping can occur at the current station

The center control module presets a clamping probability PZ, and sets a first preset clamping probability PZ1 and a second preset clamping probability PZ2.

Further, when the central control module determines to start the third detection unit to obtain the clamping probability adjusting parameter to re-determine the clamping probability, within a preset second detection time t20, the central control module obtains a clamping probability PL of the intermediate position between the platform door and the train door according to the product of the maximum angle vmax of the foreign object detected by the third detection unit and the maximum height gmax of the foreign object detected by the third detection unit, and sets PL = p0 × (1 + (vmax-v 0)/v 0) × (1 + (gmax-g 0)/g 0), where v0 is the detection standard angle of the third detection unit and g0 is the detection standard height of the third detection unit, and the central control module obtains the clamping probability adjusting parameter according to the comparison between the obtained clamping probability of the intermediate position and the preset intermediate position clamping probability PL,

when PL is less than or equal to PL1, the central control module selects a first preset adjusting parameter pj1 as an object clamping probability adjusting parameter;

when PL1 is more than PL and less than PL2, the central control module selects a second preset adjusting parameter pj2 as an object clamping probability adjusting parameter;

when PL is larger than or equal to PL2, the central control module selects a third preset adjusting parameter pj3 as an object clamping probability adjusting parameter;

the center control module presets a middle position object clamping probability PL, sets a first preset middle position object clamping probability PL1 and a second preset middle position object clamping probability PL2, presets an adjusting parameter pj, and sets a first preset adjusting parameter pj1, a second preset adjusting parameter pj2 and a third preset adjusting parameter pj3.

Further, when the central control module determines that the current platform is clamped, the central control module determines to adjust the door closing rate of the train door and the platform door according to the detected maximum angle of the foreign matter and the preset detection angle reference value W, wherein,

when wmax is less than or equal to W1, the central control module determines that the door closing rate Vg of the train door of the current station is reduced to Vg1, and Vg1= Vg x (1- (W1-wmax)/W1) is set;

when W1 is larger than wmax and smaller than W2, the central control module compares the maximum height hmax of the detected foreign matters with a preset detection height, and adjusts the door closing rate of the current platform train door and the platform door;

when wmax is larger than or equal to W2, the central control module determines to reduce the door closing rate Vg of the current platform train door to Vg2, sets Vg2= Vg × (1- (wmax-W2)/W2), reduces the door closing rate VZ of the current platform train door to VZ1, and sets VZ1= VZ × (1- (wmax-W2)/W2);

the central control module presets a detection angle reference value W, sets a first preset detection angle reference value W1 and a second preset detection angle reference value W2.

Further, the maximum angle of the foreign object detected by the first detection mechanism and the second detection mechanism obtained by the central control module is between the first preset detection angle reference value and the second preset detection angle reference value, the central control module compares the maximum height of the detected foreign object with the preset detection height reference value H0, and adjusts the door closing rate of the current platform train door and the current platform door, wherein,

when hmax is less than or equal to H0, the central control module determines that the speed of the train door of the current station is reduced to Vg3, and Vg3= Vg x (1- (H0-hmax)/H0) is set;

when hmax > H0, the central control module determines to decrease the velocity of the current station train door by Vz to Vz2, setting Vz2= Vz × (1- (hmax-H0)/H0), and simultaneously decreases the velocity of the current station train door by Vg to Vg4, setting Vg4= Vg × (1- (hmax-H0)/H0.

Further, when the central control module determines that the object is not clamped at the current platform, the central control module obtains the pressure value F1 when the platform door is closed according to the first detection unit, obtains the pressure value F2 when the train door is closed through the second detection unit, compares the pressure value with the preset pressure value F, and determines whether the object is clamped at the current platform or not, wherein,

when F1 is less than or equal to F1 or F2 is less than or equal to F1, the central control module judges that the current platform clamps the object;

when F1 is larger than F1 and smaller than F2, and F1 is larger than F2 and smaller than F2, the central control module judges that no object is clamped at the current platform;

when F1 is larger than or equal to F2 or F2 is larger than or equal to F2, the central control module judges that the current platform clamps the object;

the central control module is used for presetting a pressure value F, setting a first preset pressure value F1 and a second preset pressure value F2.

Further, when the central control module determines that the current platform is clamped according to the detection module, the central control module adjusts a preset detection angle theta i and a longitudinal detection length h set by the central control module according to a difference value between a pressure value obtained by the second detection unit when the train door is closed and a pressure value obtained by the first detection unit when the platform door is closed, wherein,

when F2-F1 is less than or equal to delta F1, the central control module judges that a preset transverse detection angle theta i is expanded to theta i1, and sets theta i1= theta i x (1 + (. DELTA.F 1-F2+ F1)/. DELTA.F 1);

when delta F2 is larger than F2-F1 and smaller than delta F2, the central control module judges that a preset detection angle is not to be adjusted, and simultaneously, the height HY of the current foreign object obtained by the third detection unit is compared with a preset longitudinal detection length HY, and the longitudinal detection length is adjusted, wherein when HY is larger than or equal to HY, the longitudinal detection length hz of the central control module is increased to hz1, and hz1= hz x (1 + (HY-HY)/HY) is set; when HY < HY, the central control module reduces the longitudinal detection length hz to hz2, setting hz2= hz x (1- (HY-HY)/HY);

when F2-F1 is not less than or equal to delta F2, the central control module judges that the preset transverse detection angle theta i is reduced to theta i2, and sets theta i2= theta i x (1 + (F2-F1-delta F2)/[ delta ] F2);

the central control module is preset with a pressure difference delta F, and a first preset pressure difference delta F1 and a second preset pressure difference delta F2 are set.

Further, the first adjusting unit comprises a telescopic rod connected with the detecting unit and a first motor connected with the telescopic rod, the first motor is used for controlling the transverse detection angle of the detecting unit, the central control module is used for comparing the adjusted transverse detection angle theta' with a preset transverse detection angle standard value theta 0 to adjust the power parameter of the first motor, wherein,

when theta 'is less than or equal to theta 0, the central control module reduces the first motor power parameter K1 to K11, and sets K11= K1 x (1- (theta 0-theta')/theta 0);

when θ '> θ 0, the central control module increases the first motor power parameter K1 to K12, setting K12= K1 × (1 + (θ' - θ 0)/θ 0).

Compared with the prior art, the invention has the advantages that the central control module is arranged, the central control module obtains detection angles of the first detection mechanism and the second detection mechanism according to the comparison of the curvature of the current curve platform and a preset value, carries out foreign matter detection when the platform door of the current platform is closed, obtains the probability of the object clamped by the current platform, compares the obtained probability of the object clamped by the current platform with the preset value, and judges the condition of the object clamped by the current platform.

In particular, the invention divides the curvature of the preset curve into two definite standards, and selects the preset detection angle through the slope of the current curve platform, so as to enable the transverse detection angle of the detection unit to be matched with the curve platform, wherein if the curvature of the current curve platform acquired by the central control module is less than or equal to the first preset curvature, the curvature of the current curve platform is not high, the central control module selects the minimum preset detection angle as the transverse detection angle of the first detection mechanism and the second detection mechanism, if the curvature of the current curve platform acquired by the central control module is between the first preset curvature and the second preset curvature, the curvature of the current curve platform is higher, the central control module selects the preset detection angle of the central control module as the transverse detection angle of the first detection mechanism and the second detection mechanism, and if the curvature of the current curve platform acquired by the central control module is greater than or equal to the second preset curvature, the curvature of the current curve platform is too high, the central control module selects the maximum preset detection angle as the transverse detection angle of the first detection mechanism and the second detection mechanism, so as to enable the comprehensive detection range of the detection module to be bent.

Particularly, the invention sets the object clamping probability of the platform according to the result of multiplying the product of the maximum angle and the maximum height of the detected foreign object by the object clamping probability standard value by the first detection mechanism and the second detection mechanism, and simultaneously the central control module compares the obtained object clamping probability of the current platform with the preset object clamping probability to determine whether the object clamping condition occurs on the current platform, wherein the object clamping probability of the current platform obtained by the central control module is less than or equal to the first preset object clamping probability, which indicates that the object clamping probability of the current platform is low, the central control module determines that the object clamping phenomenon does not occur on the current platform, the object clamping probability of the current platform obtained by the central control module is between the first preset object clamping probability and the second preset object clamping probability, which indicates that the object clamping probability of the platform cannot be accurately determined, so that the central control module starts the third detection unit to further determine the object clamping probability of the current platform through the third detection unit, and the object clamping probability of the current platform obtained by the central control module is greater than or equal to the second preset object clamping probability, which indicates that the object clamping probability of the current platform is high.

Particularly, when the control module judges that the third detection unit is started to obtain the object clamping probability adjusting parameter to judge the object clamping probability again, the third detection unit multiplies the object clamping probability standard value by the product of the detected maximum height of the foreign object and the change value of the standard height and the detected maximum angle of the foreign object and the change value of the standard angle at the second detection time to obtain the object clamping probability of the middle position, meanwhile, the control module is preset with the object clamping probability of the middle position, and the central control module compares the object clamping probability of the middle position of the current platform with the preset object clamping probability of the middle position to obtain the object clamping probability adjusting parameter, wherein the object clamping probability of the middle position of the current platform obtained by the central control module is less than or equal to the object clamping probability of the first preset middle position, which indicates that the object clamping probability of the middle position of the current platform is low, the central control module selects a smaller adjusting parameter as an object clamping probability adjusting parameter, the object clamping probability of the current middle position of the platform acquired by the central control module is between a first preset middle position object clamping probability and a second preset middle position object clamping probability, which indicates that a certain possibility exists for object clamping at the current middle position of the platform, the central control module selects an adjusting parameter with a middle value as an object clamping probability adjusting parameter, the object clamping probability of the current middle position of the platform acquired by the central control module is greater than or equal to the second preset middle position object clamping probability, which indicates that the possibility for object clamping at the current middle position of the platform is higher, and the larger adjusting parameter is selected by the central control module as an object clamping probability adjusting parameter, so that the central control module acquires an accurate object clamping probability and further determines the occurrence of the object clamping condition of the platform.

Particularly, the detection angle reference value is divided into two definite standards by the control module, the central control module obtains the object clamping situation of the current platform according to the object clamping probability, the central control module compares the maximum angle of the foreign object detected by the current first detection mechanism and the second detection mechanism with the preset detection angle reference value, and adjusts the platform door and the train door of the current platform, wherein the maximum angle of the foreign object detected by the central control module is smaller than or equal to the first preset detection angle reference value, which indicates that the foreign object to be clamped enters the middle of the train door and the platform door, the central control module further determines by reducing the door closing rate of the train door to avoid the foreign object to be clamped from being clamped by the train door, the maximum angle of the foreign object detected by the central control module is between the first preset detection angle reference value and the second preset detection angle reference value, which indicates that the position of the foreign object to be clamped cannot be determined, the central control module further determines by introducing the detection unit to detect the maximum height of the foreign object to be clamped, so as to avoid the foreign object to be clamped by the train door and the train door, the foreign object to be clamped by the external detection module.

Particularly, when the central control module can not adjust the door closing rate of the train door and the platform door according to the maximum angle of the detected foreign matter, the central control module adjusts the door closing rate of the current platform train door and the current platform door according to the comparison between the maximum height of the detected foreign matter obtained by the first detection mechanism and the second detection mechanism and the preset detection height reference value, wherein the maximum height of the detected foreign matter obtained by the central control module is smaller than or equal to the preset detection height reference value, the fact that the current foreign matter to be clamped has the risk of being clamped by the train door is indicated, the central control module determines that the door closing rate of the current platform train door is reduced, the clamping of the foreign matter is avoided, the maximum height of the detected foreign matter obtained by the central control module is larger than the preset detection height reference value, the fact that the current foreign matter to be clamped has the risk of being clamped by the train door and the platform door is indicated, and the central control module determines that the door closing rate of the current platform train door and the platform door is reduced, and the clamping of the foreign matter is avoided.

Particularly, the invention divides preset pressure values into two standards, pressure values when a platform door is closed and a train door is closed are respectively obtained through a first detection unit and a second detection unit, and whether the object clamping phenomenon occurs on the current platform door or the train door is judged, wherein if the pressure value obtained by a central control module when the platform door is closed is smaller than or equal to a first preset pressure value, the object clamping phenomenon is not generated on the current platform door, the pressure value obtained by the central control module when the train door is closed is smaller than or equal to a first preset pressure value, the object clamping phenomenon is generated on the train door, if the pressure value obtained by the central control module when the train door is closed is smaller than or equal to the first preset pressure value, the object clamping phenomenon is not generated on the current platform door, the object clamping phenomenon is generated on the platform door, the object clamping position is close to the first detection unit, if the pressure value obtained by the central control module when the platform door is closed is larger than or equal to a second preset pressure value, the object clamping phenomenon is generated on the current platform door, the object clamping position is close to the second detection unit.

Particularly, the difference value of the pressure values acquired by the first detection unit and the second detection unit is compared with a preset value, and the horizontal detection angle and the longitudinal detection length preset by the central control module are adjusted, wherein if the central control module acquires the platform object clamping, the difference value of the pressure values when the train door and the platform door are closed is smaller than or equal to the first preset pressure difference value, so that the pressure for clamping the foreign object by the platform door is larger than the pressure value for clamping the foreign object by the train door, and the central control module is used for detecting the foreign object detection angle when the detection unit acquires the next foreign object clamping more accurately by increasing the preset detection angle, so that the acquisition of the next object clamping probability is more accurate; if the central control module acquires the platform clamp object, and the pressure value difference value when the train door and the train door are closed is between a first preset pressure difference value and a second preset pressure difference value, the pressure value of the platform door for clamping foreign matters is not larger than the pressure value of the train door for clamping the foreign matters, the central control module compares the height of the clamped foreign matters acquired by the third detection unit with a preset value, and adjusts the longitudinal detection length of the first detection mechanism and the second detection mechanism, wherein if the height of the foreign matters acquired by the central control module is larger than or equal to the longitudinal detection length, the current detection unit inaccurately acquires the longitudinal detection length, the central control module increases the next longitudinal detection range of the detection unit by increasing the longitudinal detection length, and if the height of the foreign matters acquired by the central control module is smaller than the preset longitudinal detection length, the current detection unit inaccurately acquires the longitudinal detection length, and the central control module reduces the next longitudinal detection range of the detection unit by reducing the preset longitudinal detection length of the detection unit, and improves the next detection efficiency of the foreign matters; if the central control module acquires the object clamping probability of the platform, the pressure value difference value when the train door and the platform door are closed is larger than or equal to a second preset pressure difference value, which indicates that the pressure for clamping the foreign object by the platform door is smaller than the pressure value for clamping the foreign object by the train door, and the central control module is used for acquiring a more accurate detection foreign object detection angle when the detection unit detects the foreign object next time by reducing the preset transverse detection angle, so that the acquisition of the object clamping probability next time is more accurate.

In particular, the invention provides a transverse detection angle of the detection unit controlled by a first motor, and the central control module adjusts the first motor power parameter according to the comparison between the adjusted transverse detection angle and a preset transverse detection angle standard value, wherein the adjusted detection angle acquired by the central control module is less than or equal to the preset transverse detection angle standard value, the central control module reduces the first motor power parameter based on the difference between the adjusted detection angle and the preset transverse detection angle standard value, the adjusted detection angle acquired by the central control module is greater than the preset transverse detection angle standard value, and the central control module increases the first motor power parameter based on the difference between the adjusted detection angle and the preset transverse detection angle standard value, so that the adjusted transverse detection angle meets the preset standard.

Drawings

FIG. 1 is a schematic view of an infrared detection device for detecting the object being jammed in a shielded door of a curved platform according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a detection module according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first adjustment mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic illustration of a train door configuration according to an embodiment of the present invention;

fig. 5 is a schematic view of a platform door according to an embodiment of the invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit 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 only for explaining the technical principles of the present invention, and do not limit the scope of the present invention.

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", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Please refer to fig. 1, which is a schematic diagram of an infrared detection apparatus for detecting the object clamping of a shield door of a curved platform according to an embodiment of the present invention, including a detection module for detecting a foreign object between a platform door and a train door, wherein the detection module includes a plurality of detection mechanisms, a first detection mechanism 1 is disposed at a middle lower portion of a first train door 41, a second detection mechanism 2 is disposed at a middle upper portion of a second train door 42, and a third detection mechanism 3 is disposed at a middle position of a top portion of the platform door, and the detection mechanism includes a detection unit, a first adjustment unit for adjusting a transverse detection angle, and a second adjustment unit for adjusting a longitudinal detection length; the detection module is used for acquiring the pressure when the platform door and the train door are closed and comprises a first detection unit arranged at the opening and closing position of the platform door and a second detection unit arranged at the opening and closing position of the train door; the central control module is connected with the detection module and used for acquiring the object clamping probability between a train and a platform according to the detection unit and adjusting the closing speed of the train door and the platform door, the central control module acquires the object clamping probability of the current platform according to the comparison between the curvature of the current curve platform and a preset value and acquires the detection angles of the first detection mechanism and the second detection mechanism and detects foreign objects when the platform door of the current platform is closed, the central control module acquires the object clamping probability of the current platform and compares the acquired object clamping probability of the current platform with the preset value to judge the condition that the object clamping occurs on the current platform, when the central control module judges that the object clamping occurs on the current platform, the central control module adjusts the closing speed of the train door and the platform door according to the acquired maximum detected angle and maximum height of the foreign objects so that the object clamping phenomenon does not occur on the current platform, and when the central control module judges that the object clamping does not occur on the current platform, the central control module compares the pressure values acquired by the detection module when the train door and the platform door of the preset detection mechanism and the longitudinal detection mechanism with the preset value so that the current detection angle and the detection module can acquire the next detection probability of the object clamping when the current platform door of the current platform door passes through the current platform, so that the object clamping occurs on the detection mechanism is accurate detection module.

Please refer to fig. 2, which is a schematic structural diagram of a detection module according to an embodiment of the present invention, including a detection unit for detecting a foreign object at a curve platform, a first adjustment unit 14 connected to the detection unit for adjusting a transverse detection angle, and a second adjustment unit for adjusting a longitudinal detection length, where the second adjustment unit includes a first connection block 11 connected to the first adjustment unit, and a lifting rod 12 is disposed below the first connection block and used for controlling a longitudinal detection height of a detection mechanism.

Please refer to fig. 3, which is a schematic structural diagram of a first adjusting mechanism according to an embodiment of the present invention, including an expansion link 143 connected to the detecting unit 142, and a first motor 141 connected to the expansion link, where the first motor is used to control a transverse detecting angle of the detecting unit.

Referring to fig. 4, which is a schematic view of a train door structure according to an embodiment of the present invention, the train door includes a first train door 41 and a second train door 42, a first detection mechanism 1 is disposed at a middle-lower portion of the first train door away from a closed door, the first detection mechanism is configured to obtain a situation of a foreign object in a lower half of a region to be detected of the train door and a platform door, a second detection unit 61 is disposed at a position of the first train door close to the closed door, the second detection unit is configured to obtain a pressure when the train door is closed, a second detection mechanism 2 is disposed at a middle-upper portion of the second train door away from the closed door, and the second detection mechanism is configured to obtain a situation of a foreign object in an upper half of the region to be detected of the train door and the platform door.

Referring to fig. 5, which is a schematic view of a platform door structure according to an embodiment of the present invention, the platform door includes a first platform door 51 and a second platform door 52, a first detection unit 62 is disposed at a position close to a closed door of the second platform door, and the first detection unit is used for obtaining a pressure when the platform door is closed.

The central control module presets a curve curvature D, and the central control unit compares the curvature D of the current curve platform with the preset curve curvature to obtain the transverse detection angles of the first detection mechanism and the second detection mechanism, wherein,

Specifically, the detection angles of the first detection mechanism and the second detection mechanism in the embodiment of the invention are the angles between the detection unit and the train door.

Specifically, the invention divides the preset curve curvature into two definite standards, and selects the preset detection angle through the slope of the current curve platform so as to enable the transverse detection angle of the detection unit to be matched with the curve platform, wherein if the current curve platform curvature acquired by the central control module is less than or equal to the first preset curve curvature, the curvature of the current curve platform is not high, the central control module selects the minimum preset detection angle as the transverse detection angle of the first detection mechanism and the second detection mechanism, if the current curve platform curvature acquired by the central control module is between the first preset curve curvature and the second preset curve curvature, the curvature of the current curve platform is high, the central control module selects the preset detection angle of the central control module as the transverse detection angle of the first detection mechanism and the second detection mechanism, and if the current curve platform curvature acquired by the central control module is greater than or equal to the second preset curve curvature, the curvature of the current curve platform is too high, the central control module selects the maximum preset detection angle as the transverse detection angle of the first detection mechanism and the second detection mechanism, so as to enable the comprehensive detection range of the detection module to be bent.

The central control module starts the first detection mechanism and the second detection mechanism when determining that the platform door is closed, and acquires a current platform object clamping probability PZ within a preset first detection time t10, and sets PZ = p0 x (1 + (wmax-w 0)/w 0) x (1 + (hmax-h 0)/h 0) xpj, wherein p0 is an object clamping probability standard value, wmax is a maximum angle at which a foreign object is detected, hmax is a maximum height at which the foreign object is detected, pj is an object clamping probability adjusting parameter, w0 is a detection standard angle of the first detection mechanism and the second detection mechanism, h0 is a detection standard height of the first detection mechanism and the second detection mechanism, and the central control module determines whether the platform is clamped according to the acquired current platform object clamping probability compared with a preset object clamping probability PZ,

when PZ is less than or equal to PZ1, the central control module judges that no object clamping occurs at the current station;

The central control module presets a clamping probability PZ, and sets a first preset clamping probability PZ1 and a second preset clamping probability PZ2.

Specifically, the present invention sets the platform object clamping probability as the result of the multiplication of the product of the maximum angle and the maximum height of the detected foreign object by the object clamping probability standard value by the first detection mechanism and the second detection mechanism, and simultaneously the central control module compares the obtained current platform object clamping probability with the preset object clamping probability to determine whether the object clamping situation occurs at the current platform, wherein the current platform object clamping probability obtained by the central control module is less than or equal to the first preset object clamping probability, which indicates that the probability of the object clamping at the current platform is low, the central control module determines that the object clamping phenomenon does not occur at the current platform, and the current platform object clamping probability obtained by the central control module is between the first preset object clamping probability and the second preset object clamping probability, which indicates that the object clamping probability at the current platform cannot be accurately determined, so the central control module starts the third detection unit to further determine the current object clamping probability by the third detection unit, and the current platform object clamping probability obtained by the central control module is greater than or equal to the second preset object clamping probability, which indicates that the object clamping probability at the current platform is high.

Specifically, the embodiment of the present invention does not limit the standard value of the object clamping probability and the object clamping probability preset by the central control module, which can be set according to the number of times of object clamping at the current station and the passenger flow volume so as to obtain an accurate object clamping probability, the embodiment of the present invention provides a preferred parameter range of the object clamping probability standard value, which is 1.05-2.08, and the central control module preset object clamping probability is 0.8-2.5, wherein the first preset object clamping probability is 0.8-1, and the second preset object clamping probability is 2-2.5, and meanwhile, the embodiment of the present invention does not limit the object clamping probability adjusting parameter, which is set according to the compensation scheme of the object clamping probability at each station, and the present invention provides a preferred embodiment, wherein the basic value of the object clamping probability adjusting parameter is 0.9-1.1.

Specifically, the embodiment of the present invention provides a preferred method for obtaining the maximum angle and the maximum height of the detected foreign object, wherein within a preset first detection time, a first detection mechanism detects a range of a region to be detected (a region to be detected is determined by a selected transverse detection angle and a preset longitudinal detection length), the first detection mechanism obtains detection angles w11, w12 · · w1n of the detected foreign object, a second detection mechanism obtains detection angles w21, w22 · · w2n of the detected foreign object, where n represents the number of the detected foreign objects, a central control module selects the maximum values of the detection angles of the first detection mechanism and the second detection mechanism as the maximum angle wmax of the detected foreign object, the first detection mechanism obtains detection heights h11, h12 · · h1n of the detected foreign object, the second detection mechanism obtains detection heights h21, h22 · h2n of the detected foreign object, and the central control module selects the maximum values of the detection heights of the first detection mechanism and the second detection mechanism as the maximum height hmax of the detected foreign object.

When the central control module determines to start the third detection unit to obtain the clamping probability adjusting parameter to re-determine the clamping probability, within a preset second detection time t20, the central control module obtains the clamping probability PL of the intermediate position of the platform door and the train door according to the product of the maximum angle vmax of the foreign object detected by the third detection unit and the maximum height gmax of the detected foreign object, and sets PL = p0 x (1 + (vmax-v 0)/v 0) x (1 + (gmax-g 0)/g 0), where v0 is the detection standard angle of the third detection unit and g0 is the detection standard height of the third detection unit, and the central control module obtains the clamping probability adjusting parameter according to the comparison between the obtained clamping probability of the intermediate position and the preset intermediate position clamping probability PL,

when PL1 is larger than PL and smaller than PL2, the central control module selects a second preset adjusting parameter pj2 as an object clamping probability adjusting parameter;

Specifically, the present invention does not limit the probability of the object being clamped at the middle position, which is set according to the possibility of the object being clamped at the platform, and the embodiment of the present invention provides a preferred embodiment, wherein the probability of the object being clamped at the middle position is 0.8-1.5, wherein the probability of the object being clamped at the first preset middle position is 0.8-1.1, and the probability of the object being clamped at the second preset middle position is 1.1-1.5.

Specifically, when the control module judges that the third detection unit is started to obtain the object clamping probability adjusting parameter to judge the object clamping probability again, the third detection unit multiplies the object clamping probability standard value by the product of the detected maximum height of the foreign object and the detected change value of the standard height and the detected maximum angle of the foreign object and the change value of the standard angle to obtain the object clamping probability of the middle position at the second detection time, meanwhile, the control module presets the object clamping probability of the middle position, and compares the obtained object clamping probability of the middle position of the current platform with the preset object clamping probability of the middle position to obtain the object clamping probability adjusting parameter, wherein the object clamping probability of the middle position of the current platform obtained by the control module is smaller than or equal to the object clamping probability of the platform at the first preset middle position, which indicates that the object clamping probability of the middle position of the current platform is lower, the control module selects a smaller adjusting parameter as the object clamping probability adjusting parameter, the object clamping probability of the middle position obtained by the control module is larger than the object clamping probability of the first preset middle position, and further determines that the object clamping probability of the middle position obtained by the object clamping module is larger than the preset middle position.

When the central control module determines that the current platform is clamped, the central control module determines to regulate the door closing rate of the train door and the platform door according to the detected maximum angle of the foreign matter and a preset detection angle reference value W, wherein,

when W1 is larger than wmax and smaller than W2, the central control module compares the maximum height hmax of the detected foreign matters with a preset detection height, and adjusts the door closing speed of the train door and the platform door at the current station;

Specifically, the detection angle reference value is divided into two definite standards by the control module, the central control module obtains the clamping situation of the current platform according to the clamping probability, and the central control module compares the maximum angle of the foreign matters detected by the current first detection mechanism and the current second detection mechanism with the preset detection angle reference value to adjust the platform door and the train door of the current platform, wherein the maximum angle of the foreign matters detected by the central control module is smaller than or equal to the first preset detection angle reference value to indicate that the current foreign matters to be clamped enter the middle of the train door and the platform door, the central control module further determines by reducing the closing speed of the train door to avoid the clamping of the foreign matters to be clamped by the train door, the maximum angle of the foreign matters detected by the central control module is between the first preset detection angle reference value and the second preset detection angle reference value to indicate that the position of the current foreign matters to be clamped, the central control module further determines by introducing the maximum height of the detection unit to detect the foreign matters to prevent the foreign matters to be clamped by the train door and the platform door, the maximum angle of the detected by the detection module is larger than or equal to the second preset detection angle reference value to indicate that the maximum height of the foreign matters to be clamped by the train door to prevent the foreign matters to be clamped in the train door, and the foreign matters to prevent the train door from being clamped by the external foreign matters to be clamped by the train door.

The maximum angle of the foreign matter detected by the first detection mechanism and the second detection mechanism acquired by the central control module is between a first preset detection angle reference value and a second preset detection angle reference value, the central control module compares the maximum height of the detected foreign matter with a preset detection height reference value H0 to regulate the door closing rate of the train door and the platform door of the platform at present, wherein,

Specifically, when the central control module cannot adjust the door closing rates of the train door and the platform door according to the maximum angle of the detected foreign matter, the central control module adjusts the door closing rates of the train door and the platform door at present according to the comparison between the maximum height of the detected foreign matter obtained by the first detection mechanism and the second detection mechanism and a preset detection height reference value, wherein the maximum height of the detected foreign matter obtained by the central control module is smaller than or equal to the preset detection height reference value, and the fact that the current foreign matter to be clamped is clamped by the train door is indicated.

Wherein when the central control module determines that the object clamping does not occur at the current platform, the central control module acquires a pressure value F1 when the platform door is closed according to the first detection unit, acquires a pressure value F2 when the train door is closed through the second detection unit, compares the pressure value with a preset pressure value F, and determines whether the object clamping occurs at the current platform, wherein,

when F1 is larger than F1 and smaller than F2, and F1 is larger than F2 and smaller than F2, the central control module judges that the object is not clamped at the current station;

Specifically, the preset pressure values are divided into two standards, the pressure values of the closed platform door and the closed train door are respectively obtained through a first detection unit and a second detection unit, whether the object clamping phenomenon occurs on the current platform door or the train door is judged, wherein if the pressure value of the closed platform door obtained by a central control module is smaller than or equal to a first preset pressure value, the object clamping phenomenon occurs on the platform door, the pressure value of the closed train door obtained by the central control module is smaller than or equal to a first preset pressure value, the object clamping phenomenon occurs on the train door, if the pressure value of the closed platform door and the pressure value of the closed train door obtained by the central control module are both between the first preset pressure value and a second preset pressure value, the object clamping phenomenon does not occur on the current platform, if the pressure value of the closed platform door obtained by the central control module is larger than or equal to the second preset pressure value, the object clamping phenomenon occurs on the platform door, the object clamping position is close to the first detection unit, and if the pressure value of the closed train door obtained by the central control module is larger than or equal to the second preset pressure value, the object clamping phenomenon occurs on the platform door, the position of the closer to the second detection unit.

When the central control module judges that the current platform is clamped according to the detection module, the central control module adjusts a preset detection angle theta i and a longitudinal detection length h set by the central control module according to the difference value between the pressure value obtained by the second detection unit when the train door is closed and the pressure value obtained by the first detection unit when the platform door is closed, wherein,

the central control module is preset with a pressure difference value delta F, and is provided with a first preset pressure difference value delta F1 and a second preset pressure difference value delta F2.

Specifically, the difference value of the pressure values acquired by the first detection unit and the second detection unit is compared with a preset value, and a horizontal detection angle and a longitudinal detection length preset by the central control module are adjusted, wherein if the central control module acquires the platform clamping object, the difference value of the pressure values when the train door and the platform door are closed is smaller than or equal to a first preset pressure difference value, so that the pressure for clamping the foreign object by the platform door is larger than the pressure value for clamping the foreign object by the train door, and the central control module is used for detecting the foreign object detection angle when the detection unit acquires the next foreign object clamping object more accurately by increasing the preset detection angle, so that the acquisition of the next clamping probability is more accurate; if the central control module acquires the platform clamp object, and the pressure value difference value when the train door and the train door are closed is between a first preset pressure difference value and a second preset pressure difference value, the pressure value of the platform door for clamping foreign matters is not larger than the pressure value of the train door for clamping the foreign matters, the central control module compares the height of the clamped foreign matters acquired by the third detection unit with a preset value, and adjusts the longitudinal detection length of the first detection mechanism and the second detection mechanism, wherein if the height of the foreign matters acquired by the central control module is larger than or equal to the longitudinal detection length, the current detection unit inaccurately acquires the longitudinal detection length, the central control module increases the next longitudinal detection range of the detection unit by increasing the longitudinal detection length, and if the height of the foreign matters acquired by the central control module is smaller than the preset longitudinal detection length, the current detection unit inaccurately acquires the longitudinal detection length, and the central control module reduces the next longitudinal detection range of the detection unit by reducing the preset longitudinal detection length of the detection unit, and improves the next detection efficiency of the foreign matters; if the central control module acquires the object clamping probability of the platform, the pressure value difference value when the train door and the platform door are closed is larger than or equal to a second preset pressure difference value, which indicates that the pressure for clamping the foreign object by the platform door is smaller than the pressure value for clamping the foreign object by the train door, and the central control module is used for acquiring a more accurate detection foreign object detection angle when the detection unit detects the foreign object next time by reducing the preset transverse detection angle, so that the acquisition of the object clamping probability next time is more accurate.

The first adjusting unit comprises a telescopic rod connected with the detecting unit and a first motor connected with the telescopic rod, the first motor is used for controlling the transverse detection angle of the detecting unit, the central control module is used for comparing the adjusted transverse detection angle theta' with a preset transverse detection angle standard value theta 0 to adjust the power parameters of the first motor, wherein,

Specifically, the transverse detection angle of the detection unit is controlled by the first motor, the central control module adjusts the first motor power parameter according to the comparison between the adjusted transverse detection angle and a preset transverse detection angle standard value, wherein the adjusted detection angle acquired by the central control module is smaller than or equal to the preset transverse detection angle standard value, the central control module reduces the first motor power parameter by taking the difference between the adjusted detection angle and the preset transverse detection angle standard value as a reference, the adjusted detection angle acquired by the central control module is larger than the preset transverse detection angle standard value, and the central control module increases the first motor power parameter by taking the difference between the adjusted detection angle and the preset transverse detection angle standard value as a reference, so that the adjusted transverse detection angle meets the preset standard.

So far, the technical solutions of the present invention have 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 the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. The utility model provides a solve shielding door of curve platform and press from both sides infrared detection device of people's clamp thing which characterized in that includes:

the central control module is connected with the detection module and used for acquiring the object clamping probability between a train and a platform according to the detection unit, acquiring detection angles of the first detection mechanism and the second detection mechanism according to the comparison between the curvature of the current curve platform and a preset value, detecting foreign matters when the platform door of the current platform is closed, acquiring the object clamping probability of the current platform by the central control module, and judging the object clamping condition of the current platform according to the comparison between the acquired current platform object clamping probability and the preset value, wherein when the central control module judges that the object clamping occurs at the current platform, the central control module compares the door closing rates of the train door and the platform door according to the acquired detected maximum angle and the detected maximum height of the foreign matters so as to enable the current platform not to generate the object clamping phenomenon, when the central control module judges that the object clamping does not occur at the current platform, the central control module compares pressure values acquired by the detection module when the train door and the platform door are closed with the preset value, and the central control module compares the preset values of the first detection mechanism, the second detection mechanism and the longitudinal adjustment angle of the detection mechanism with the current detection module so as to acquire the object clamping probability of the next platform door, and the detection module;

the central control module presets a curve curvature D, and the central control unit obtains the transverse detection angles of the first detection mechanism and the second detection mechanism according to the comparison between the current curve platform curvature D and the preset curve curvature, wherein,

the central control module is used for presetting a curve curvature D, a first preset curve curvature D1 and a second preset curve curvature D2, presetting a detection angle theta, and setting a first preset detection angle theta 1, a second preset detection angle theta 2 and a third preset detection angle theta 3;

when the PZ1 is larger than the pZ and smaller than the PZ2, the central control module starts a third detection unit to obtain an object clamping probability adjusting parameter to judge the object clamping probability again;

2. The infrared detection device for solving the problem of the entrapment of the shielding door of the curved platform according to claim 1, wherein when the central control module determines to start the third detection unit to obtain the entrapment probability adjustment parameter to re-determine the entrapment probability, the central control module obtains the entrapment probability PL of the intermediate position of the platform door and the train door according to the product of the maximum angle vmax of the foreign object detected by the third detection unit and the maximum height gmax of the detected foreign object within the preset second detection time t20, and sets PL = p0 x (1 + (vmax-v 0)/v 0) x (1 + (gmax-g 0)/g 0), wherein v0 is the detection standard angle of the third detection unit and g0 is the detection standard height of the third detection unit, and the central control module obtains the entrapment probability adjustment parameter according to the comparison of the obtained intermediate position entrapment probability with the preset intermediate position entrapment probability PL,

3. The infrared detector for solving the problem of the jammed object of the platform door according to claim 1, wherein the central control module determines to adjust the door closing rate of the train door and the platform door according to the detected maximum angle of the foreign object and the preset detection angle reference value W when the central control module determines that the jammed object will occur at the current platform,

4. The infrared detector of claim 3, wherein the maximum foreign object angle detected by the first and second detectors of the central control module is between the first and second predetermined detection angle references, and the central control module adjusts the door closing rate of the current platform train door and the platform door according to the comparison between the maximum foreign object detected height and the predetermined detection height reference H0, wherein,

when hmax > H0, the central control module determines to decrease the velocity of the current station train door by Vz to Vz2, setting Vz2= Vz × (1- (hmax-H0)/H0), and simultaneously decreases the velocity of the current station train door by Vg to Vg4, setting Vg4= Vg × (1- (hmax-H0)/H0).

5. The infrared detecting device for solving the problem of the jammed object of the shielding door of the curved platform as claimed in claim 1, wherein when the central control module determines that the jammed object does not occur at the current platform, the central control module obtains the pressure value F1 when the platform door is closed according to the first detecting unit, obtains the pressure value F2 when the train door is closed through the second detecting unit, and compares the pressure value with the preset pressure value F to determine whether the jammed object is present at the current platform, wherein,

6. The infrared detection device for solving the problem of the object clamping problem of the platform screen door of the curved platform according to claim 5, wherein when the central control module determines that the current platform is clamped according to the detection module, the central control module adjusts the preset detection angle θ i and the longitudinal detection length h set by the central control module according to the difference between the pressure value obtained by the second detection unit when the train door is closed and the pressure value obtained by the first detection unit when the platform door is closed, wherein,

7. The infrared detector for detecting people and objects clamped by a screen door of a curved platform according to claim 6, wherein the first adjusting unit comprises a telescopic rod connected to the detecting unit, and a first motor connected to the telescopic rod, the first motor is used for controlling the transverse detection angle of the detecting unit, the central control module adjusts the power parameter of the first motor according to the comparison between the adjusted transverse detection angle θ' and a preset transverse detection angle standard value θ 0, wherein,