Stepping motor driving type rudder angle indicating system

Abstract

The utility model discloses a stepping motor drive type rudder angle indicating system which comprises a rudder angle transmitter, a power supply junction box, a three-face rudder angle receiver, a wall-mounted rudder angle receiver and an embedded rudder angle receiver, a control circuit board is installed in the power supply junction box, a power supply switching circuit is arranged on the control circuit board, and the power supply switching circuit is connected with the embedded rudder angle receiver. The power supply switching circuit is respectively connected with an external AC 220V power supply and a DC 24V power supply, and the control circuit board is also respectively connected with a rudder angle transmitter, a three-plane rudder angle receiver, a wall-mounted rudder angle receiver and an embedded rudder angle receiver through an RS485 bus. The stepping motor driving type rudder angle indicating system is simple in structure and convenient to wire, has the function of automatically switching alternating-current 220V power supply and direct-current 24V power supply, is high in emergency capacity, can be matched with rudder angle receivers of multiple models, and has good unified function expansion capacity.

Description

Technical Field

[0001] The utility model relates to the technical field of ship equipment, in particular to a stepping motor-driven rudder angle indicating system. Background Technique

[0002] The rudder angle indicating system is used to indicate the rotation direction and angle of the rudder blade when the ship is sailing, and is a remote device for indicating the rudder angle and its direction of the ship. The traditional rudder angle indicating systems are mainly divided into the selsyn synchronous tracking system and the potentiometer type rudder angle indication, and their flexibility, controllability, stability, etc. are relatively lacking. The wiring of the selsyn synchronous indication system is relatively complex, and it mainly consists of a small asynchronous motor with a single-phase exciting winding, connecting cables, instruments, etc.; the stator and rotor coils of the selsyn adopt micro slip rings, which are prone to poor contact problems, and the indicating instrument uses an electromagnetic device, which is vulnerable to external environmental interference and often needs to be zeroed; considering the economy of the product, its design cost is relatively high, and the existing rudder angle indicating systems generally can only be powered by AC 220V and cannot be powered by DC 24V, and the emergency response ability is poor. In addition, it is difficult to expand the functions of the existing rudder angle indicating systems, and they cannot meet the control needs of various types of ships. Content of the Utility Model

[0003] Aiming at the deficiencies of the existing technology, the utility model provides a stepping motor-driven rudder angle indicating system, which has a simple structure, convenient wiring, has the function of automatically switching between AC 220V power supply and DC 24V power supply, has strong emergency response ability, and can be adapted to multiple models of rudder angle receivers, and has good system function expansion ability.

[0004] To achieve the above technical solution, the utility model provides a stepping motor-driven rudder angle indicating system, including: a rudder angle transmitter, a power supply junction box, a three-sided rudder angle receiver, a wall-mounted rudder angle receiver and an embedded rudder angle receiver. A control circuit board is installed in the power supply junction box, and a power supply switching circuit is arranged on the control circuit board. The power supply switching circuit is respectively connected to an external AC 220V power supply and a DC 24V power supply. The control circuit board is also respectively connected to the rudder angle transmitter, the three-sided rudder angle receiver, the wall-mounted rudder angle receiver and the embedded rudder angle receiver through an RS485 bus. Among them, the rudder angle transmitter is used to collect the real-time rudder angle of the steering gear, then convert it into a value, and send it to the control circuit board in the power supply junction box through the RS485 bus; the power supply junction box is used to receive the rudder angle data of the rudder angle transmitter and forward it to the three-sided rudder angle receiver, the wall-mounted rudder angle receiver and the embedded rudder angle receiver respectively through the RS485 bus. The three-sided rudder angle receiver, the wall-mounted rudder angle receiver and the embedded rudder angle receiver are installed at different positions on the hull and are used to synchronously display the real-time rudder angle of the steering gear collected by the rudder angle transmitter in real time.

[0005] In the above technical solution, during actual operation, the power connection box is powered by two power sources: the main power source is AC220V, and the emergency power source is DC24V. A power switching circuit is set up. When the main power source is normal, the system operates using the main power source AC220V. When the main power source loses power, the device automatically switches to the emergency power source DC24 for power supply. The control circuit board inside the power connection box can convert the AC220V power supply into DC24V and supply it to devices such as the rudder angle transmitter, three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver. The rudder angle transmitter is responsible for collecting the real-time rudder angle of the steering gear, then converting it into a value, and sending it to the power connection box through the RS485 bus. After receiving the rudder angle data from the rudder angle transmitter, the power connection box forwards it to the three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver respectively through the RS485 bus to synchronously display the real-time rudder angle of the steering gear collected by the rudder angle transmitter in real time. Among them, the three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver can be installed at different positions on the hull according to the usage environment, and the installation quantity of the three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver is also not limited. When it needs to be increased, only the wiring expansion with the power connection box is required, making the system have good system function expansion ability.

[0006] Preferably, the power connection box includes a box body, and the control circuit board is installed inside the box body. A box door is provided on the front side of the box body. The box door is connected to the box body through a hinge. An AC220V power supply lighted button and a DC24V power supply lighted button are provided on the box door. The AC220V power supply lighted button and the DC24V power supply lighted button are respectively connected to the control circuit board. A plurality of signal connectors are provided at the bottom of the box body, and each signal connector is connected to the control circuit board. During actual operation, under normal circumstances, when the AC220V power supply lighted button is pressed, the system is powered by the AC220V main power supply. Once the main power supply is powered off, the DC24V power supply lighted button lights up, and the device automatically switches to the emergency power source DC24 for power supply. The power connection box can be expanded by wiring with different external devices through a plurality of signal connectors provided at the bottom of the box body.

[0007] Preferably, a ground wire connector is provided at the bottom of the box body. One end of the ground wire connector is connected to the control circuit board, and the other end is grounded. By setting the ground wire connector, the use safety of the power connection box can be enhanced.

[0008] Preferably, a lock and a nameplate are also installed on the box door. By setting the lock, it is ensured that the opening and closing of the box door are controlled by relevant personnel, preventing the power connection box from being opened randomly.

[0009] Preferably, the rudder angle transmitter includes a transmitter body. The driver installed in the transmitter body is driven by a stepper motor. An installation seat is installed on the back of the transmitter body. Two transmitter connection terminals are arranged at the end of the transmitter body. One of the transmitter connection terminals is connected to the steering gear, and the other transmitter connection terminal is connected to the signal connection terminal of the control circuit board in the power connection box.

[0010] Preferably, the three-sided rudder angle receiver includes a three-sided rudder angle receiver body. Three display panels are arranged on the three-sided rudder angle receiver body. A pointer is correspondingly arranged on each display panel. A three-sided rudder angle receiver connection terminal is arranged on the three-sided rudder angle receiver body. The three-sided rudder angle receiver connection terminal is connected to the signal connection terminal of the control circuit board in the power connection box.

[0011] Preferably, the wall-mounted rudder angle receiver includes a wall-mounted rudder angle receiver body. A wall-mounted mounting plate is arranged on the back of the wall-mounted rudder angle receiver body. A signal connection terminal is arranged on the side of the wall-mounted rudder angle receiver body. The wall-mounted rudder angle receiver body is connected to the signal connection terminal of the control circuit board in the power connection box through the signal connection terminal.

[0012] Preferably, the embedded rudder angle receiver includes an embedded rudder angle receiver body. An embedded housing is arranged on the back of the embedded rudder angle receiver body. An embedded rudder angle receiver connection terminal is arranged on the back of the embedded housing. The embedded rudder angle receiver body is connected to the signal connection terminal of the control circuit board in the power connection box through the embedded rudder angle receiver connection terminal.

[0013] Preferably, dimmers are correspondingly installed on the housings of the three-sided rudder angle receiver, the wall-mounted rudder angle receiver, and the embedded rudder angle receiver. The dimmer includes a dimmer body. A decreasing button and an increasing button are arranged on the dimmer body. Two connection terminals are arranged on the dimmer body. One of the connection terminals is connected to the signal connection terminal of the control circuit board in the power connection box, and the other connection terminal is connected to the three-sided rudder angle receiver, the wall-mounted rudder angle receiver, or the embedded rudder angle receiver. During actual operation, the display surface brightness of the three-sided rudder angle receiver, the wall-mounted rudder angle receiver, and the embedded rudder angle receiver can be adjusted through the dimmer to better meet the display brightness requirements in different environments.

[0014] The beneficial effects of a stepping motor-driven rudder angle indicating system provided by the present utility model are as follows: The structure of this stepping motor-driven rudder angle indicating system is simple and the wiring is convenient. It has the function of automatically switching between AC 220V power supply and DC 24V power supply, with strong emergency response ability, and can be adapted to multiple models of rudder angle receivers, having good system function expansion ability. During actual operation, the power supply junction box is powered by two power sources: the main power source is AC 220V, and the emergency power source is DC 24V. A power supply switching circuit is set. When the main power source is normal, the system operates using the main power source AC 220V. When the main power source loses power, the device automatically switches to the emergency power source DC 24V for power supply. The control circuit board in the power supply junction box can convert the AC 220V power supply into DC 24V and supply it to devices such as the rudder angle transmitter, three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver. The rudder angle transmitter is responsible for collecting the real-time rudder angle of the steering gear, then converting it into a numerical value, and sending it to the power supply junction box through the RS485 bus. After receiving the rudder angle data from the rudder angle transmitter, the power supply junction box forwards it to the three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver respectively through the RS485 bus to synchronously display in real time the rudder angle of the steering gear collected by the rudder angle transmitter in real time. Among them, the three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver can be installed at different positions on the hull according to the usage environment, and the installation quantity of the three-sided rudder angle receiver, wall-mounted rudder angle receiver, and embedded rudder angle receiver is also not limited. When it needs to be increased, only the wiring expansion with the power supply junction box is required, making this system have good system function expansion ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the system structure wiring diagram of the present utility model.

[0016] Figure 2 It is the front view of the rudder angle transmitter in the present utility model.

[0017] Figure 3 It is the side view of the rudder angle transmitter in the present utility model.

[0018] Figure 4 It is the front view of the power supply junction box in the present utility model.

[0019] Figure 5 It is the side view of the power supply junction box in the present utility model.

[0020] Figure 6 It is the bottom view of the power supply junction box in the present utility model.

[0021] Figure 7 It is the front view of the three-sided rudder angle receiver in the present utility model.

[0022] Figure 8This is the top view of the three-sided rudder angle receiver in the present utility model.

[0023] Figure 9 This is the front view of the wall-mounted rudder angle receiver in the present utility model.

[0024] Figure 10 This is the bottom view of the wall-mounted rudder angle receiver in the present utility model.

[0025] Figure 11 This is the front view of the embedded rudder angle receiver in the present utility model.

[0026] Figure 12 This is the bottom view of the embedded rudder angle receiver in the present utility model.

[0027] Figure 13 This is the front view of the dimmer in the present utility model.

[0028] In the figure: 1. Rudder angle transmitter; 11. Transmitter body; 12. Mounting base; 13. Transmitter pointer; 14. Transmitter wiring terminal; 2. Power supply junction box; 21. Box body; 22. Box door; 23. Lock; 24. Mounting bracket; 25. Hinge; 26. AC220V power supply with lighted button; 27. DC24V power supply with lighted button; 28. Nameplate; 29. Ground wire terminal; 210. Signal terminal; 3. Three-sided rudder angle receiver; 31. Three-sided rudder angle receiver body; 32. Three-sided rudder angle receiver wiring terminal; 33. Display panel; 34. Pointer; 4. Wall-mounted rudder angle receiver; 41. Wall-mounted rudder angle receiver body; 42. Wall-mounted mounting plate; 5. Embedded rudder angle receiver; 51. Embedded rudder angle receiver body; 52. Embedded housing; 53. Embedded rudder angle receiver wiring terminal; 6. Dimmer; 61. Dimmer body; 62. Decrement button; 63. Increment button; 64. Mounting hole. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Embodiment: A stepping motor-driven rudder angle indication system.

[0031] Refer to Figures 1 to 13 As shown, a stepping motor-driven rudder angle indication system includes:

[0032] Rudder angle transmitter 1, the rudder angle transmitter 1 includes a transmitter body 11, the driver installed inside the transmitter body 11 is driven by a stepper motor, an installation base 12 is installed on the back of the transmitter body 11 to facilitate the installation of the transmitter body 11, and two transmitter connection terminals 14 are provided at the end of the transmitter body 11. One of the transmitter connection terminals 14 is connected to the steering gear to receive the sensing signal on the steering gear, and the other transmitter connection terminal 14 is connected to the signal connector 210 of the control circuit board in the power supply junction box 2. The rudder angle transmitter 1 is responsible for collecting the real-time rudder angle of the steering gear, then converting it into a value, and then sending it to the power supply junction box 2 through the RS485 bus.

[0033] Power supply junction box 2, the power supply junction box 2 includes a box body 21, the control circuit board is installed inside the box body 21, a box door 22 is provided on the front side of the box body 21, the box door 22 is connected to the box body 21 through a hinge 25, and an AC220V power supply lighted button 26 and a DC24V power supply lighted button 27 are provided on the box door 22. The AC220V power supply lighted button 26 and the DC24V power supply lighted button 27 are respectively connected to the control circuit board, and a plurality of signal connectors 210 are provided at the bottom of the box body 21, and each signal connector 210 is connected to the control circuit board. A power supply switching circuit is provided on the control circuit board, the power supply switching circuit is respectively connected to an external AC220V power supply and a DC24V power supply, and the control circuit board is also respectively connected to the rudder angle transmitter 1, the three-sided rudder angle receiver 3, the wall-mounted rudder angle receiver 4 and the embedded rudder angle receiver 5 through the RS485 bus. During actual operation, under normal circumstances, when the AC220V power supply lighted button 26 is pressed, the system is powered by the AC220V main power supply. Once the main power supply is cut off, the DC24V power supply lighted button 27 lights up, and the device automatically switches to the emergency power supply DC24 for power supply. The power supply junction box 2 can be connected to different external devices for wiring expansion through a plurality of signal connectors 210 provided at the bottom of the box body 21. A ground wire connector 29 is provided at the bottom of the box body 21, one end of the ground wire connector 29 is connected to the control circuit board, and the other end is grounded. By providing the ground wire connector 29, the use safety of the power supply junction box 2 can be enhanced. A lock 23 and a nameplate 28 are also installed on the box door 22. By providing the lock 23, it is ensured that the opening and closing of the box door 22 are controlled by relevant personnel to prevent the power supply junction box 2 from being opened randomly.

[0034] Three-sided rudder angle receiver 3, the three-sided rudder angle receiver 3 includes a three-sided rudder angle receiver body 31, three display panels 33 are arranged on the three-sided rudder angle receiver body 31, a pointer 34 is correspondingly arranged on each display panel 33, and a three-sided rudder angle receiver connection terminal 32 is arranged on the three-sided rudder angle receiver body 31. The three-sided rudder angle receiver connection terminal 32 is connected to the signal connection terminal 210 of the control circuit board in the power connection box 2. The three-sided rudder angle receiver 3 is suitable for being installed in the center of an open hull hall so that personnel in different directions can observe the synchronous data of the steering gear rudder angle.

[0035] Wall-mounted rudder angle receiver 4, the wall-mounted rudder angle receiver 4 includes a wall-mounted rudder angle receiver body 41, a wall-mounted mounting plate 42 is arranged on the back of the wall-mounted rudder angle receiver body 41, a signal connection terminal is arranged on the end side of the wall-mounted rudder angle receiver body 42, and the wall-mounted rudder angle receiver body 41 is connected to the signal connection terminal 210 of the control circuit board in the power connection box 2 through the signal connection terminal. The wall-mounted rudder angle receiver 4 is suitable for being installed on the wall of the hull.

[0036] Embedded rudder angle receiver 5, the embedded rudder angle receiver 5 includes an embedded rudder angle receiver body 51, an embedded housing 52 is arranged on the back of the embedded rudder angle receiver body 51, an embedded rudder angle receiver connection terminal 53 is arranged on the back of the embedded housing 52, and the embedded rudder angle receiver body 51 is connected to the signal connection terminal 210 of the control circuit board in the power connection box 2 through the embedded rudder angle receiver connection terminal 53. The embedded rudder angle receiver 5 is suitable for being installed at positions with holes such as in a corner of a wall, a corner of a bed, or a corner of a window.

[0037] In this embodiment, dimmers 6 are correspondingly installed on the outer shells of the three-sided rudder angle receiver 3, the wall-mounted rudder angle receiver 4, and the embedded rudder angle receiver 5. The dimmer 6 includes a dimmer body 61, a decreasing button 62 and an increasing button 63 are arranged on the dimmer body 61, and two connection terminals are arranged on the dimmer body 61. One of the connection terminals is connected to the signal connection terminal 210 of the control circuit board in the power connection box 2, and the other connection terminal is connected to the three-sided rudder angle receiver 3, the wall-mounted rudder angle receiver 4, or the embedded rudder angle receiver 5. During actual operation, the display surface brightness of the three-sided rudder angle receiver 3, the wall-mounted rudder angle receiver 4, and the embedded rudder angle receiver 5 can be adjusted through the dimmer 6 so as to better meet the display brightness requirements in different environments.

[0038] This stepping motor-driven rudder angle indicating system has a simple structure and convenient wiring. It has the function of automatically switching between AC 220V power supply and DC 24V power supply, strong emergency response ability, and can be adapted to multiple models of rudder angle receivers, with good system function expansion ability. During actual operation, the power connection box 2 is powered by two power sources: the main power source is AC 220V, and the emergency power source is DC 24V. A power switching circuit is set up. When the main power source is normal, the system operates using the main power source AC 220V. When the main power source loses power, the device automatically switches to the emergency power source DC 24V for power supply. The control circuit board in the power connection box 2 can convert the AC 220V power supply into DC 24V and supply it to devices such as the rudder angle transmitter 1, three-sided rudder angle receiver 3, wall-mounted rudder angle receiver 4, and embedded rudder angle receiver 5. The rudder angle transmitter 1 is responsible for collecting the real-time rudder angle of the steering gear, then converting it into a value, and sending it to the power connection box 2 through the RS485 bus. After receiving the rudder angle data of the rudder angle transmitter 1, the power connection box 2 forwards it to the three-sided rudder angle receiver 3, wall-mounted rudder angle receiver 4, and embedded rudder angle receiver 5 respectively through the RS485 bus to synchronously display the real-time rudder angle of the steering gear collected by the rudder angle transmitter 1 in real time. Among them, the three-sided rudder angle receiver 3, wall-mounted rudder angle receiver 4, and embedded rudder angle receiver 5 can be installed at different positions on the hull according to the usage environment, and the installation quantity of the three-sided rudder angle receiver 3, wall-mounted rudder angle receiver 4, and embedded rudder angle receiver 5 is not limited either. When more are needed, only the wiring expansion with the power connection box 2 is required, making this system have good system function expansion ability.

[0039] The above is the preferred embodiment of the present utility model, but the present utility model should not be limited to the content disclosed in this embodiment and the drawings. Therefore, all equivalent or modified implementations completed without departing from the spirit disclosed by the present utility model fall within the protection scope of the present utility model.

Claims

1. A stepping motor-driven rudder angle indicating system, characterized in that Including: A rudder angle transmitter, a power supply junction box, a three-sided rudder angle receiver, a wall-mounted rudder angle receiver, and an embedded rudder angle receiver. A control circuit board is installed in the power supply junction box. A power supply switching circuit is provided on the control circuit board. The power supply switching circuit is respectively connected to an external AC220V power supply and a DC24V power supply. The control circuit board is also respectively connected to the rudder angle transmitter, the three-sided rudder angle receiver, the wall-mounted rudder angle receiver, and the embedded rudder angle receiver through an RS485 bus. Among them, the rudder angle transmitter is used to collect the real-time rudder angle of the steering gear, then convert it into a value, and send it to the control circuit board in the power supply junction box through the RS485 bus; the power supply junction box is used to receive the rudder angle data of the rudder angle transmitter and forward it to the three-sided rudder angle receiver, the wall-mounted rudder angle receiver, and the embedded rudder angle receiver respectively through the RS485 bus. The three-sided rudder angle receiver, the wall-mounted rudder angle receiver, and the embedded rudder angle receiver are installed at different positions on the hull and are used to synchronously display the real-time rudder angle of the steering gear collected by the rudder angle transmitter in real time.

2. The stepping motor-driven rudder angle indicating system according to claim 1, characterized in that: The power supply junction box includes a box body. The control circuit board is installed in the box body. A box door is provided on the front side of the box body. The box door is connected to the box body through a hinge. An AC220V power supply lighted button and a DC24V power supply lighted button are provided on the box door. The AC220V power supply lighted button and the DC24V power supply lighted button are respectively connected to the control circuit board. A plurality of signal connectors are provided at the bottom of the box body. Each signal connector is connected to the control circuit board.

3. The stepping motor-driven rudder angle indicating system according to claim 2, wherein: A ground wire connector is provided at the bottom of the box body. One end of the ground wire connector is connected to the control circuit board, and the other end is grounded.

4. The stepping motor-driven rudder angle indicating system according to claim 2, characterized in that: A lock and a nameplate are also installed on the box door.

5. The stepping motor-driven rudder angle indicating system according to claim 2, characterized in that: The rudder angle transmitter includes a transmitter body. The driver installed in the transmitter body is driven by a stepping motor. A mounting seat is installed on the back of the transmitter body. Two transmitter connection heads are provided at the end of the transmitter body. One of the transmitter connection heads is connected to the steering gear, and the other transmitter connection head is connected to the signal connector of the control circuit board in the power supply junction box.

6. The stepping motor-driven rudder angle indicating system according to claim 2, characterized in that: The three-sided rudder angle receiver includes a three-sided rudder angle receiver body. Three display panels are provided on the three-sided rudder angle receiver body. A pointer is correspondingly provided on each display panel. A three-sided rudder angle receiver connection head is provided on the three-sided rudder angle receiver body. The three-sided rudder angle receiver connection head is connected to the signal connector of the control circuit board in the power supply junction box.

7. The stepping motor-driven rudder angle indicating system according to claim 2, wherein: The wall-mounted rudder angle receiver includes a wall-mounted rudder angle receiver body. A wall-mounted mounting plate is provided on the back of the wall-mounted rudder angle receiver body. A signal connection head is provided on the side of the wall-mounted rudder angle receiver body. The wall-mounted rudder angle receiver body is connected to the signal connector of the control circuit board in the power supply junction box through the signal connection head.

8. The stepping motor-driven rudder angle indicating system according to claim 2, characterized in that: The embedded rudder angle receiver includes an embedded rudder angle receiver body. An embedded housing is provided on the back of the embedded rudder angle receiver body. An embedded rudder angle receiver wiring head is provided on the back of the embedded housing. The embedded rudder angle receiver body is connected to a signal connector of a control circuit board in a power supply junction box through the embedded rudder angle receiver wiring head.

9. The stepping motor-driven rudder angle indicating system according to claim 2, characterized in that: Dimmer switches are respectively installed on the housings of the three-sided rudder angle receiver, the wall-mounted rudder angle receiver, and the embedded rudder angle receiver. The dimmer switch includes a dimmer switch body. A decreasing button and an increasing button are provided on the dimmer switch body. Two wiring heads are provided on the dimmer switch body. One of the wiring heads is connected to a signal connector of a control circuit board in a power supply junction box, and the other wiring head is connected to the three-sided rudder angle receiver, the wall-mounted rudder angle receiver, or the embedded rudder angle receiver.

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