阅读说明：本技术 一种用于风洞大型隔断门的全自动控制装置及其控制方法 (Full-automatic control device for large partition door of wind tunnel and control method thereof ) 是由 阳玲 林辰龙 郭守春 杨孝松 于 2021-10-28 设计创作，主要内容包括：本发明提供了一种用于风洞大型隔断门的全自动控制装置及其控制方法,该方案包括有控制计算机、PLC控制系统、驱动系统、门体、锁紧机构、拉紧机构以及门体移动机构,通过自动化控制的方法实现了门体的自动定位、解锁、锁紧以及位移的动作,与传统半自动门体移动方式相比,本发明采用全自动控制装置和方法,完全替代了人工劳动,且门体移动、锁定过程中工作人员可以远离门体,规避了人员伤亡的风险。(The invention provides a full-automatic control device for a large partition door of a wind tunnel and a control method thereof, the scheme comprises a control computer, a PLC control system, a driving system, a door body, a locking mechanism, a tensioning mechanism and a door body moving mechanism, and the actions of automatic positioning, unlocking, locking and displacement of the door body are realized by an automatic control method.)

1. A full automatic control device for a large partition door of a wind tunnel is characterized in that: the device comprises a control computer, a PLC control system, a driving system, a door body, a locking mechanism, a tensioning mechanism and a door body moving mechanism; the door body is connected with the locking mechanism, the tensioning mechanism and the door body moving mechanism through mechanical structures respectively; the driving system is connected with the locking mechanism, the tensioning mechanism and the door body moving mechanism through signal cables respectively and can directly drive the locking mechanism, the tensioning mechanism, the locking and unlocking actions between the door body moving mechanism and the door body and drive the displacement of the door body moving mechanism; the control computer is used for outputting a control instruction to the PLC control system; the PLC control system can convert the received control instruction into a driving signal and output the driving signal to the driving system.

2. The full-automatic control device for the large partition door of the wind tunnel according to claim 1, which is characterized in that: the locking mechanism comprises an upper locking mechanism, a lower locking mechanism, a left locking mechanism and a right locking mechanism, and the four locking mechanisms are respectively connected with the door body in four directions, namely, the upper direction, the lower direction, the left direction and the right direction.

3. The full-automatic control device for the large partition door of the wind tunnel according to claim 1, which is characterized in that: the locking mechanism is connected with the door body through a rotatable T-shaped head; when the included angle between the T-shaped head and the door body is 0 degree, the unlocking action between the door body and the locking mechanism is realized; when the included angle between the T-shaped head and the door body is 90 degrees, the locking action between the door body and the locking mechanism is realized.

4. The full-automatic control device for the large partition door of the wind tunnel according to claim 1, which is characterized in that: the tensioning mechanism comprises a door opening side tensioning mechanism and a door closing side tensioning mechanism, and the two tensioning mechanisms are respectively and correspondingly arranged on the door opening side and the door closing side of the door body.

5. The full-automatic control device for the large partition door of the wind tunnel according to claim 1, which is characterized in that: the tensioning mechanism is connected with the door body through a rotatable T-shaped head; when the included angle between the T-shaped head and the door body is 0 degree, unlocking action between the door body and the tensioning mechanism is realized; when the included angle between the T-shaped head and the door body is 90 degrees, the locking action between the door body and the tensioning mechanism is realized.

6. A control method applied to the apparatus according to any one of claims 1 to 5, characterized by: the method comprises the following steps:

the door opening control method comprises the following steps:

a. the door body moving mechanism is used for contracting a brake to ensure that the door body cannot move freely;

b. sequentially unlocking the door closing side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the right locking mechanism;

c. the door body moving mechanism is released and enabled, a moving speed value is set, a target displacement value is set, and the door body moving mechanism drives the door body to move and position according to the set moving speed value and the target displacement value;

d. sequentially locking a door opening side tightening mechanism, an upper tightening mechanism, a lower tightening mechanism, a left tightening mechanism and a right tightening mechanism;

e. the door body moving mechanism is released to complete door opening control;

the door closing control method comprises the following steps:

f. the door body moving mechanism is used for contracting a brake to ensure that the door body cannot move freely;

g. sequentially unlocking the door opening side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the right locking mechanism;

h. the door body moving mechanism is released and enabled, a moving speed value is set, a target displacement value is set, and the door body moving mechanism drives the door body to move and position according to the set moving speed value and the target displacement value;

i. sequentially locking a door closing side tightening mechanism, an upper locking mechanism, a lower locking mechanism, a left locking mechanism and a right locking mechanism;

j. and the door body moving mechanism releases the brake to complete door closing control.

7. The method of claim 6, wherein: in the step c, the set moving speed value is 0 m/s-0.2 m/s.

8. The method of claim 6, wherein: in the step h, the set moving speed value is 0 m/s-0.2 m/s.

9. The method of claim 6, wherein: the unlocking and locking actions between the door opening side tightening mechanism, the door closing side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the door body as well as between the right locking mechanism and the door body are all realized by driving the T-shaped heads of the corresponding mechanisms to rotate through the driving system; when the included angle between the T-shaped head and the door body is 0 degree, the unlocking action between the corresponding mechanism and the door body is realized; when the included angle between the T-shaped head and the door body is 90 degrees, the locking action between the corresponding mechanism and the door body is realized.

Technical Field

The invention relates to the technical field of design and control of wind tunnel bodies, in particular to a full-automatic control device for a large partition door of a wind tunnel and a control method thereof.

Background

At present, a large partition door (with the cross section of 4m multiplied by 4m or more and the thickness of 1m or more) in a wind tunnel body loop generally adopts a semi-automatic mode, the door opening and closing movement depends on manual positioning and locking after being in place, the door body locking depends on the experience of operators, the workload is large, and the risk of personal and property loss caused by the overturn of the door body exists.

Disclosure of Invention

The invention aims to provide a technical scheme of a full-automatic control device and a control method thereof for a large partition door of a wind tunnel, aiming at the defects in the prior art.

The scheme is realized by the following technical measures:

a full-automatic control device for a large partition door of a wind tunnel comprises a control computer, a PLC control system, a driving system, a door body, a locking mechanism, a tensioning mechanism and a door body moving mechanism; the door body is connected with the locking mechanism, the tensioning mechanism and the door body moving mechanism through mechanical structures respectively; the driving system is connected with the locking mechanism, the tensioning mechanism and the door body moving mechanism through signal cables respectively and can directly drive the locking mechanism, the tensioning mechanism, the locking and unlocking actions between the door body moving mechanism and the door body and drive the displacement of the door body moving mechanism; the control computer is used for outputting a control instruction to the PLC control system; the PLC control system can convert the received control command into a driving signal and output the driving signal to the driving system.

The scheme is preferably as follows: the locking mechanism comprises an upper locking mechanism, a lower locking mechanism, a left locking mechanism and a right locking mechanism, and the four locking mechanisms are respectively connected with the door body in four directions, namely, the upper direction, the lower direction, the left direction and the right direction.

The scheme is preferably as follows: the locking mechanism is connected with the door body through a rotatable T-shaped head; when the included angle between the T-shaped head and the door body is 0 degree, the unlocking action between the door body and the locking mechanism is realized; when the included angle between the T-shaped head and the door body is 90 degrees, the locking action between the door body and the locking mechanism is realized.

The scheme is preferably as follows: the tensioning mechanism comprises a door opening side tensioning mechanism and a door closing side tensioning mechanism, and the two tensioning mechanisms are respectively and correspondingly arranged on the door opening side and the door closing side of the door body.

The scheme is preferably as follows: the tensioning mechanism is connected with the door body through a rotatable T-shaped head; when the included angle between the T-shaped head and the door body is 0 degree, the unlocking action between the door body and the tensioning mechanism is realized; when the included angle between the T-shaped head and the door body is 90 degrees, the locking action between the door body and the tensioning mechanism is realized.

A control method of a full-automatic control device for a large partition door of a wind tunnel comprises the following steps:

the door opening control method comprises the following steps:

a. the door body moving mechanism is used for contracting a brake to ensure that the door body cannot move freely;

b. sequentially unlocking the door closing side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the right locking mechanism;

c. the door body moving mechanism is released and enabled, a moving speed value is set, a target displacement value is set, and the door body moving mechanism drives the door body to move and position according to the set moving speed value and the target displacement value;

d. sequentially locking a door opening side tightening mechanism, an upper tightening mechanism, a lower tightening mechanism, a left tightening mechanism and a right tightening mechanism;

e. the door body moving mechanism is released to complete door opening control;

the door closing control method comprises the following steps:

f. the door body moving mechanism is used for contracting a brake to ensure that the door body cannot move freely;

g. sequentially unlocking the door opening side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the right locking mechanism;

h. the door body moving mechanism is released and enabled, a moving speed value is set, a target displacement value is set, and the door body moving mechanism drives the door body to move and position according to the set moving speed value and the target displacement value;

i. sequentially locking a door closing side tightening mechanism, an upper locking mechanism, a lower locking mechanism, a left locking mechanism and a right locking mechanism;

j. and the door body moving mechanism releases the brake to complete door closing control.

The scheme is preferably as follows: in step c, the set moving speed value is 0 m/s-0.2 m/s.

The scheme is preferably as follows: in the step h, the set moving speed value is 0 m/s-0.2 m/s.

The scheme is preferably as follows: the unlocking and locking actions between the door opening side tightening mechanism, the door closing side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the door body as well as between the right locking mechanism and the door body are all realized by driving the T-shaped heads of the corresponding mechanisms to rotate through the driving system; when the included angle between the T-shaped head and the door body is 0 degree, the unlocking action between the corresponding mechanism and the door body is realized; when the included angle between the T-shaped head and the door body is 90 degrees, the locking action between the corresponding mechanism and the door body is realized.

Compared with the traditional semi-automatic door body moving mode, the full-automatic door body moving mode has the advantages that the full-automatic door body moving mode completely replaces manual labor by adopting the full-automatic control device and the full-automatic control method, and workers can be far away from the door body in the door body moving and locking processes, so that the casualty risk is avoided.

Therefore, compared with the prior art, the invention has substantive characteristics and progress, and the beneficial effects of the implementation are also obvious.

Drawings

Fig. 1 is a schematic diagram of a fully automatic control device of the present invention.

In the figure, 1 is an upper control computer, 2 is a PLC control system, 3 is a drive system, 4 is a door body, 5 is a door body moving mechanism, 6 is a door opening side tightening mechanism, 7 is a door closing side tightening mechanism, 8 is an upper tightening mechanism, 9 is a lower tightening mechanism, 10 is a left tightening mechanism, and 11 is a right tightening mechanism.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Example 1

In the embodiment, the controller selects the Siemens PLC 1518-4PN/DP, and the programming platform is a Siemens TIA SIMATIC STEP 7V 15 design development platform; the drive system selects a Siemens S120 servo drive system, and a control unit selects a CU320-2 PN; and PROFINET is adopted for data communication between the PLC and the S120.

The door body moving mechanism consists of 2 sets of servo motors, a speed reducer, a gear and a drag chain, wherein the motor selects Siemens 1FK7105-2AC71-1CN 0.

The side tensioning mechanism of the switch door consists of 4 sets of servo motors, a speed reducer, a spiral elevator and a T-shaped head, wherein the motors select Siemens 1FK7103-2AC71-1BN 0.

The upper, lower, left and right locking mechanisms comprise 16 sets of telescopic motors, rotating motors, lead screws and T-shaped heads, the selection type of the telescopic motors is Siemens 1FK7083-2AC71-1CB0, and the selection type of the rotating motors is Siemens 1FK7060-2AC71-1BB 0.

The door opening control method comprises the following steps:

the method comprises the following steps: the door body moving mechanism is used for contracting a brake to ensure that the door body cannot move freely;

step two: sequentially unlocking the door closing side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the right locking mechanism. Unlocking of the tensioning mechanism: and controlling a servo motor to drive a T-shaped head in the tensioning mechanism to rotate 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 0 degree. Unlocking of the locking mechanism: controlling a telescopic motor to drive a screw rod to extend for 20mm, and then controlling a rotary motor to drive a T-shaped head in a locking mechanism to rotate for 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 0 degree;

step three: the motor of the door body moving mechanism is released and enabled, the moving speed is set to be 0.1m/s, the target displacement is set to be-5 m, and the motor drives the gear to roll on the drag chain until the set target is finished according to the set moving speed and the target displacement;

step four: the door opening side locking mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the right locking mechanism are locked in sequence. Locking of the tensioning mechanism: and controlling a servo motor to drive a T-shaped head in the tensioning mechanism to rotate 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 90 degrees. Locking of the locking mechanism: controlling a telescopic motor to drive a lead screw to retract by 20mm, and then controlling a rotating motor to drive a T-shaped head in a locking mechanism to rotate by 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 90 degrees;

step five: the door body moving mechanism is released to complete door opening control;

the door closing control method comprises the following steps:

the method comprises the following steps: the door body moving mechanism is used for contracting a brake to ensure that the door body cannot move freely;

step two: sequentially unlocking the door opening side tightening mechanism, the upper tightening mechanism, the lower tightening mechanism, the left tightening mechanism and the right tightening mechanism. Unlocking of the tensioning mechanism: and controlling a servo motor to drive a T-shaped head in the tensioning mechanism to rotate 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 0 degree. Unlocking of the locking mechanism: controlling a telescopic motor to drive a screw rod to extend for 20mm, and then controlling a rotary motor to drive a T-shaped head in a locking mechanism to rotate for 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 0 degree;

step three: the gate body moving mechanism is released and enabled, the moving speed is set to be 0.1m/s, the target displacement is set to be-5 m, and the motor drives the gear to roll on the drag chain until the set target is finished according to the set moving speed and the target displacement;

step four: the door closing side tightening mechanism, the upper locking mechanism, the lower locking mechanism, the left locking mechanism and the right locking mechanism are locked in sequence. Locking of the tensioning mechanism: and controlling a servo motor to drive a T-shaped head in the tensioning mechanism to rotate 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 90 degrees. Locking of the locking mechanism: controlling a telescopic motor to drive a lead screw to retract by 20mm, and then controlling a rotating motor to drive a T-shaped head in a locking mechanism to rotate by 90 degrees, so that the T-shaped head and a door frame fixed by the T-shaped head form an included angle of 90 degrees;

step five: and the door body moving mechanism releases the brake to complete door closing control.

The instructions of the door opening and closing steps are transmitted to the PLC control system by an operator through the upper control computer, and then the PLC control system generates PLC control step instructions which are transmitted to the driving system to finally realize the action of each mechanism to complete the control of door opening or door closing.

In this embodiment, no matter the process of opening the door or closing the door realizes full automatic control, and the operation process door body removes steadily, fixes a position accurately, and is fixed reliable, has reduced the operation danger when improving automatic level. The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.