Manual control device for hump parking device
The manual control device for TWT hump parking devices addresses complexity and feedback issues by using a DC 24V-powered circuit with buttons and indicators for clear, stable operation and error prevention.
Patent Information
- Application Number
- CN202211509082.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2042-11-29
AI Technical Summary
Current manual control systems for TWT hump parking devices are complex, inconvenient, and lack timely operation feedback, necessitating improved manual control mechanisms.
A manual control device utilizing DC 24V power supply, buttons, and indicator lights to control parking device relays, with circuits for braking, releasing, and switching between automatic and manual modes, ensuring clear operation feedback and preventing simultaneous button presses.
The solution provides a low-cost, low-power consumption control circuit with stable outputs and clear operation indicators, preventing erroneous operations and ensuring smooth manual control of parking devices.
Smart Images

Figure CN115892108B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of TWT (Tumblr Microcomputer Controlled Parking Device) parking device control system, and more specifically, to a circuit capable of manually controlling a parking device when the TWT parking device control system stops working. Background Art
[0002] In order to improve the automation level of shunting operations at the tail end of the hump, improve working conditions, improve working efficiency, ensure working safety, and reduce the labor intensity of workers, a controllable parking device automatic control system is used to replace the tail iron shoe for vehicle anti-slip operations. By automatically collecting the head and tail operation information, the parking devices of each track are automatically controlled according to the operation needs, reducing the labor intensity of on-site operators, achieving "unmanned" anti-slip at the tail end of the shunting line, and realizing the modernization of tail shunting. It has important practical significance at present. The TWT hump parking device automatic control system came into being under such conditions. When the TWT hump parking device automatic control system stops working or the system is under maintenance, manual control is required to complete parking device braking, relief, etc., so manual control is required to cooperate with the TWT hump parking device automatic control system. The current parking device manual control emergency disk has problems such as complex operation, inconvenient operation, and untimely operation feedback. Summary of the invention
[0003] The purpose of the present invention is to provide a manual control device for a hump parking device, which can complete operations such as braking and releasing the parking device.
[0004] The invention discloses a manual control device for a hump parking device, which adopts DC 24V as a working power supply, utilizes buttons and indicator lights, and completes control of a parking device relay combination through combined control of the buttons, and finally completes operations such as braking and releasing of the parking device in a manual control mode.
[0005] The technical scheme adopted by the present invention is: comprising a parking control console and a relay assembly frame, operating buttons on the parking control console are used to control corresponding relays on the relay assembly frame, including a parking brake and release circuit under manual control state, a parking automatic control and manual control state switching circuit, a parking automatic control and manual control state switching, a braking and release display feedback circuit and a parking automatic control and manual control state power supply circuit; the parking control console is provided with a total braking button SF2, a total release button SF3, an automatic button SF4, a manual button SF6, a track parking button SF10 and automatic and manual indication lights HL1 and HL2, and braking and release indication lights HL4 and HL5; the relay assembly frame is provided with a braking relay ZJ, a release relay HJ, and an automatic relay ZDJ; the braking and release of the parking device are controlled by the suction and drop contacts of the braking relay ZJ, and the suction contact conditions of the release relay HJ are checked to complete; the automatic control and manual control state switching of the parking device is completed by the automatic relay ZDJ,
[0006] In the parking brake and release circuit under the manual control state, the second group of normally closed contacts 23 of the total release button SF3 is connected to the KZ power supply, and the second group of normally closed contacts 21 is connected to the first group of normally open contacts 12 of the total brake button SF2; the first group of normally open contacts 11 of the total brake button SF2 is connected to the first group of normally open contacts 12 of the track parking button SF10, the second group of normally open contacts 11 of the track parking button SF10 is connected to the third group of normally closed contacts 31 of the release relay HJ on the relay assembly frame, and the third group of normally closed contacts 33 of the release relay HJ is connected to the 1-2 coil of the brake relay ZJ;
[0007] In the automatic control and manual control state switching circuit of the parking device, the first group of normally open contacts 12 of the automatic button SF4 is connected to the positive power KZ, the first group of normally open contacts 11 of the automatic button SF4 is connected to the 3-4 coils of the automatic relay ZDJ on the relay assembly frame, the first group of normally open contacts 12 of the manual button SF6 is connected to the positive power KZ, the first group of normally open contacts 11 of the manual button SF6 is connected to the 1-2 coils of the automatic relay ZDJ on the relay assembly frame, the coils 1 and 4 of the automatic relay ZDJ are short-circuited and then connected to the first group of normally open contacts 11 of the total relief button SF3, and the first group of normally open contacts 13 of the total relief button SF3 is connected to the negative power KF;
[0008] A manual indicator light HL1, an automatic indicator light HL2, a brake indicator light HL4, and a release indicator light HL5 are provided in the display feedback circuit of the automatic control and manual control state switching, braking, and release of the parking device. The manual indicator light HL1, the automatic indicator light HL2, the brake indicator light HL4, and the release indicator light HL5 correspond to the manual button SF6, the automatic button SF4, and the indicator lights during the braking operation and the release operation respectively;
[0009] The second group of contacts 21 of the automatic relay ZDJ is connected to the positive electricity BZ, the second group of contacts 23 of the automatic relay ZDJ is connected to one end of the automatic indicator light HL2 on the control console, the second group of contacts 22 of the automatic relay ZDJ is connected to one end of the manual indicator light HL1, and one end of the manual indicator light HL1 and the automatic indicator light HL2 is connected to the negative electricity BF; when the automatic button SF4 is pressed, the contacts 21-23 of the automatic relay ZDJ are closed to form a path; the brake indicator relay ZBJ and the relief indicator relay HBJ and the corresponding brake relay ZJ and relief relay HJ have the same action;
[0010] In the power supply circuit of the automatic control and manual control states of the parking device, the first group of contacts 11 of the automatic relay ZDJ is connected to negative power KF, the first group of contacts 12 is connected to negative power KFZD, the fifth group of contacts 51 is connected to negative power KF, and the fifth group of contacts 53 is connected to negative power KFZD.
[0011] The advantages and positive effects of the present invention are: the present invention is a control circuit with low cost, low power consumption, perfect protection function and stable output. The control circuit using a combination of buttons and indicator lights can more clearly indicate the control state, and the user can operate it conveniently and clearly; the front and rear contacts between the brake and release buttons are connected in series, which can ensure that there will be no erroneous operation when the brake and release buttons are pressed at the same time, and ensure stable operation output. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is the parking brake and release circuit under manual control;
[0013] Figure 2 It is the parking device automatic control and manual control state switching circuit;
[0014] Figure 3 It is the feedback circuit for automatic and manual control state switching, braking and release of the parking device;
[0015] Figure 4 It is the power supply circuit for the automatic control and manual control states of the parking device. DETAILED DESCRIPTION
[0016] The present invention will be further described below in conjunction with the accompanying drawings.
[0017] Figure 1-Figure 3 The buttons on the parking control console can control the corresponding relays on the relay assembly rack. The parking control console mainly includes the general brake button SF2, the general release button SF3, the automatic button SF4, the manual button SF6, the track parking button SF10, the automatic and manual indicator lights HL1 and HL2, and the brake and release indicator lights HL4 and HL5.
[0018] The relay assembly frame mainly includes brake relay ZJ, release relay HJ, and automatic relay ZDJ. The braking and release of the parking device are controlled by the suction and drop contacts of the brake relay ZJ, and the suction contact conditions of the release relay HJ are checked. The automatic control and manual control state switching of the parking device is completed by the automatic relay ZDJ.
[0019] Figure 1 In the circuit, the second group of normally closed contacts 23 of the total release button SF3 is connected to the KZ power supply, and the second group of normally closed contacts 21 is connected to the first group of normally open contacts 12 of the total brake button SF2; the first group of normally open contacts 11 of the total brake button SF2 is connected to the first group of normally open contacts 12 of the track parking button SF10, and the second group of normally open contacts 11 of the track parking button SF10 is connected to the third group of normally closed contacts 31 of the release relay HJ on the relay assembly frame, and the third group of normally closed contacts 33 of the release relay HJ is connected to the 1-2 coil of the brake relay ZJ.
[0020] When the parking device on track 1 (there are multiple parking tracks in the hump parking lot, for example, the control of the parking device on track 1) needs to be braked, press the main brake button SF2 and the track parking button SF10 at the same time, the normally open contacts of the main brake button SF2 and the track parking button SF10 are closed, and the pickup circuit of the brake relay ZJ:
[0021] KZ-SF3 23-21 -SF2 12-11 -1TA 12-11 -HJ 31-33 -ZJ 1-2 -KF SD
[0022] The brake relay ZJ is energized and attracted, supplying power to the outdoor reducer brake solenoid valve to complete the braking operation.
[0023] When the parking device on track 1 (there are multiple parking tracks in the hump parking lot, for example, the control of the parking device on track 1) needs to be released, press the general release button SF3 and the track parking button SF10 at the same time, the normally open contacts of the general release button SF3 and the track parking button SF10 are closed, and the pickup circuit of the release relay HJ:
[0024] KZ-SF 223-21 -SF 312-11 -1TA 22-21 -ZJ 41-43 -HJ 1-2 -KF SD
[0025] The relief relay HJ is energized and attracted, supplying power to the outdoor reducer relief solenoid valve to complete the relief operation.
[0026] Figure 2 In the circuit, the first group of normally open contacts 12 of automatic button SF4 is connected to positive electricity KZ, the first group of normally open contacts 11 of automatic button SF4 is connected to coils 3-4 of automatic relay ZDJ on the relay assembly frame, the first group of normally open contacts 12 of manual button SF6 is connected to positive electricity KZ, the first group of normally open contacts 11 of manual button SF6 is connected to coils 1-2 of automatic relay ZDJ on the relay assembly frame, coils 1 and 4 of automatic relay ZDJ are short-circuited and connected to the first group of normally open contacts 11 of total relief button SF3, and the first group of normally open contacts 13 of total relief button SF3 is connected to negative electricity KF.
[0027] The automatic button SF4 and the manual button SF6 are the buttons on the console for switching the TWT type parking automatic control system to automatic operation or manual operation, and the parking device must be in the release state when switching. Therefore, when the TWT type parking automatic control system needs to be switched to the automatic state, press the total release button SF3 and the automatic button SF4 at the same time. The normally open contacts of the total release button SF3 and the automatic button SF4 are closed, and the 3-4 coil of the automatic relay is energized:
[0028] KZ-SF4 12-11 -ZDJ 3-4 -SF3 11-12 -KF
[0029] The 3-4 coil of the automatic relay ZDJ is energized. Figure 4 The fifth group of contacts 51-53 of the automatic relay ZDJ is turned on, giving Figure 1 The 3-4 coils of the brake relay ZJ and the relief relay HJ provide negative power KF for the automatic control system ZD .
[0030] When the TWT parking automatic control system needs to be switched to manual mode, press the general release button SF3 and the automatic button SF6 at the same time. The normally open contacts of the general release button SF3 and the manual button SF6 are closed, and the 1-2 coils of the automatic relay are energized:
[0031] KZ-SF6 12-11 -ZDJ 2-1 -SF3 11-12 -KF
[0032] The 1-2 coil of the automatic relay ZDJ is energized and sucked up. Figure 4 The first set of contacts 11-12 of the automatic relay ZDJ is turned on, giving Figure 1 The 3-4 coils of the brake relay ZJ and the relief relay HJ provide the negative power KF for manual control SD .
[0033] Figure 3The manual indicator light HL1, automatic indicator light HL2, brake indicator light HL4 and relief indicator light HL5 are Figure 2 The manual button SF6, the automatic button SF4 and the corresponding indicator lights for braking operation and release operation.
[0034] The second set of contacts 21 of the automatic relay ZDJ is connected to the positive power BZ, the second set of contacts 23 of the automatic relay ZDJ is connected to one end of the automatic indicator light HL2 on the control console, the second set of contacts 22 of the automatic relay ZDJ is connected to one end of the manual indicator light HL1, and one end of the manual indicator light HL1 and the automatic indicator light HL2 is connected to the negative power BF. Figure 2 When the automatic button SF4 is pressed, the contacts 21-23 of the automatic relay ZDJ are closed, forming a circuit:
[0035] BZ-ZDJ 21-23 -HL2 1-2 -BF
[0036] The automatic indicator light HL2 is powered on and lights up, indicating that the switch to automatic operation is successful.
[0037] When following Figure 2 When the manual button SF6 is pressed, the contacts 21-22 of the automatic relay ZDJ are closed, forming a circuit:
[0038] BZ-ZDJ 21-22 -HL1 1-2 -BF
[0039] The manual indicator light HL1 is powered on and lights up, indicating that the switch to manual operation is successful.
[0040] Figure 3 In the process, the brake indicating relay ZBJ and the relief indicating relay HBJ and the corresponding brake relay ZJ and relief relay HJ operate in unison. When the brake relay ZJ is attracted, the brake indicating relay ZBJ is also attracted, and the same applies to the relief indicating relay HBJ. The third group of contacts 31 of the brake indicating relay ZBJ is connected to the positive electricity BZ, and 32 is connected to one end of the brake indicating light HL4, and the other end of the brake indicating light HL4 is connected to the negative electricity BF; the third group of contacts 31 of the relief indicating relay HBJ is connected to the positive electricity BZ, and 32 is connected to one end of the relief indicating light HL5, and the other end of the brake indicating light HL5 is connected to the negative electricity BF. When the Figure 1 After the braking operation, the brake relay ZJ is sucked up, and the brake indicating relay ZBJ is sucked up at the same time:
[0041] BZ-ZBJ 31-32 -HL4 1-2 -BF
[0042] The brake indicator light HL4 is energized and lights up, indicating that the braking operation is successful.
[0043] When conducting Figure 1 After the release operation, the release relay HJ is attracted, and the release indication relay HBJ is attracted at the same time:
[0044] BZ-HBJ 31-32 -HL5 1-2 -BF
[0045] The relief indicator light HL4 is energized and lights up, indicating that the relief operation is successful.
[0046] Figure 4 In the automatic control mode, the first group of contacts 11 of the automatic relay ZDJ is connected to the negative power KF, the first group of contacts 12 is connected to the negative power KFZD, the fifth group of contacts 51 is connected to the negative power KF, and the fifth group of contacts 53 is connected to the negative power KFZD. In the automatic control mode, the fifth group of contacts 51-53 of the automatic relay ZDJ is turned on, giving Figure 1 The 3-4 coils of the brake relay ZJ and the relief relay HJ provide the negative power KFZD of the automatic control system. When switched to the manual state, the first group of contacts 11-12 of the automatic relay ZDJ is turned on, giving Figure 1 The 3-4 coils of the middle brake relay ZJ and the relief relay HJ provide the negative power KFSD for manual control.
Claims
1. A manual control device for a hump parking device, characterized in that: The parking control console and relay assembly rack. The buttons on the parking control console are used to control the corresponding relays on the relay assembly rack, including the parking brake and release circuit under manual control state, the parking automatic control and manual control state switching circuit, the parking automatic control and manual control state switching, the braking and release indication feedback circuit and the parking automatic control and manual control state power supply circuit; there are the main brake button SF2, the main release button SF3, the automatic button SF4, the manual button SF6, the track parking button SF10 and the automatic and manual indication lights HL1 and HL2, the brake and release indication lights HL4 and HL5 on the parking control console. There are brake relay ZJ, release relay HJ and automatic relay ZDJ on the relay assembly rack. The braking and release of the parking device are controlled by the suction and drop contacts of the brake relay ZJ, and the suction contact conditions of the release relay HJ are checked to complete. The automatic control and manual control state switching of the parking device is completed by the automatic relay ZDJ. In the parking brake and release circuit under the manual control state, the second group of normally closed contacts 23 of the total release button SF3 is connected to the KZ power supply, and the second group of normally closed contacts 21 is connected to the first group of normally open contacts 12 of the total brake button SF2; the first group of normally open contacts 11 of the total brake button SF2 is connected to the first group of normally open contacts 12 of the track parking button SF10, the second group of normally open contacts 11 of the track parking button SF10 is connected to the third group of normally closed contacts 31 of the release relay HJ on the relay assembly frame, and the third group of normally closed contacts 33 of the release relay HJ is connected to the 1-2 coil of the brake relay ZJ; In the automatic control and manual control state switching circuit of the parking device, the first group of normally open contacts 12 of the automatic button SF4 is connected to the positive power KZ, the first group of normally open contacts 11 of the automatic button SF4 is connected to the 3-4 coils of the automatic relay ZDJ on the relay assembly frame, the first group of normally open contacts 12 of the manual button SF6 is connected to the positive power KZ, the first group of normally open contacts 11 of the manual button SF6 is connected to the 1-2 coils of the automatic relay ZDJ on the relay assembly frame, the coils 1 and 4 of the automatic relay ZDJ are short-circuited and then connected to the first group of normally open contacts 11 of the total relief button SF3, and the first group of normally open contacts 13 of the total relief button SF3 is connected to the negative power KF; A manual indicator light HL1, an automatic indicator light HL2, a brake indicator light HL4, and a release indicator light HL5 are provided in the display feedback circuit of the automatic control and manual control state switching, braking, and release of the parking device. The manual indicator light HL1, the automatic indicator light HL2, the brake indicator light HL4, and the release indicator light HL5 correspond to the manual button SF6, the automatic button SF4, and the indicator lights during the braking operation and the release operation respectively; The second group of contacts 21 of the automatic relay ZDJ is connected to the positive electricity BZ, the second group of contacts 23 of the automatic relay ZDJ is connected to one end of the automatic indicator light HL2 on the control console, the second group of contacts 22 of the automatic relay ZDJ is connected to one end of the manual indicator light HL1, and one end of the manual indicator light HL1 and the automatic indicator light HL2 is connected to the negative electricity BF; when the automatic button SF4 is pressed, the contacts 21-23 of the automatic relay ZDJ are closed to form a path; the brake indicator relay ZBJ and the relief indicator relay HBJ and the corresponding brake relay ZJ and relief relay HJ have the same action; In the power supply circuit of the automatic control and manual control states of the parking device, the first group of contacts 11 of the automatic relay ZDJ is connected to negative power KF, the first group of contacts 12 is connected to negative power KFZD, the fifth group of contacts 51 is connected to negative power KF, and the fifth group of contacts 53 is connected to negative power KFZD.
