Ship alarm main circuit board and ship alarm system

Abstract

The present invention provides a ship alarm main circuit board and a ship alarm system. The main circuit board is provided with a plurality of control circuits, each of which includes a monitoring input terminal, a sound control circuit and an indicator light output circuit, and the sound control circuit and the indicator light output circuit are both electrically connected to the monitoring input terminal; the sound control circuit includes a mute input terminal, a relay switch and a sound output terminal, the mute input terminal is electrically connected to the electromagnetic coil terminal of the relay switch through a first diode, the monitoring input terminal is electrically connected to the normally closed first terminal of the relay switch through a second diode, and the sound output terminal is electrically connected to the normally closed second terminal of the relay switch; the indicator light output circuit includes a fourth diode and a first indicator light output terminal, the first end of the fourth diode is electrically connected to the monitoring input terminal, and the second end of the fourth diode is electrically connected to the first indicator light output terminal. The system uses the main circuit board. The present invention has a simple structure and stable operation.

Description

Technical Field

[0001] The present invention relates to the technical field of ship alarm circuits, in particular to a ship alarm main circuit board, and also to a ship alarm system using the ship alarm main circuit board. Background Art

[0002] At present, there are many types of marine alarm system products, from the early complex alarm control circuit composed of multiple relay control circuits, to the single-chip module, and then to the current development and widespread application of programmable controller modules. Due to the high technical requirements and complex manufacturing processes of complete sets of products, the prices of the products produced are also relatively expensive. These products are not very practical for some systems with simple uses and equipment with few alarm points. Therefore, in order to reduce costs and simplify complexity, it is necessary to further improve the circuit of the alarm system. Summary of the invention

[0003] The first object of the present invention is to provide a ship alarm main circuit board which has a simple structure, high practicability, stable operation and convenient maintenance.

[0004] The second object of the present invention is to provide a ship alarm system which has a simple structure, high practicability, stable operation and convenient maintenance.

[0005] In order to achieve the above-mentioned first purpose, the ship alarm main circuit board provided by the present invention is provided with multiple control circuits, and the multiple control circuits are connected in parallel; each control circuit includes a monitoring input terminal, a sound control circuit and an indicator light output circuit, and the sound control circuit and the indicator light output circuit are both electrically connected to the monitoring input terminal; the sound control circuit includes a mute input terminal, a relay switch and a sound output terminal, the mute input terminal is electrically connected to the first terminal of the electromagnetic coil of the relay switch through a first diode, the monitoring input terminal is electrically connected to the normally closed first terminal of the relay switch through a second diode, the sound output terminal is electrically connected to the normally closed second terminal of the relay switch, the monitoring input terminal is electrically connected to the first end of the normally open contact of the relay switch, the second end of the normally open contact of the relay switch is electrically connected to the first end of the third diode, and the second end of the third diode is electrically connected to the first terminal of the electromagnetic coil of the relay switch; the indicator light output circuit includes a fourth diode and a first indicator light output terminal, the first end of the fourth diode is electrically connected to the monitoring input terminal, and the second end of the fourth diode is electrically connected to the first indicator light output terminal.

[0006] It can be seen from the above scheme that the ship alarm main circuit board of the present invention can monitor and control multiple monitoring points at the same time by setting a multi-channel control circuit. And the ship alarm main circuit board of the present invention improves the complex circuit of the traditional relay single control, and after adding the unidirectional characteristics of the diode, the circuit structure is simple and clear, which not only reduces the area and increases the tightness of the circuit, but also improves the contact competition of the relay and the influence of the reverse voltage generated when the relay is disconnected on the circuit, making the circuit operation more accurate and stable. In addition, the control circuits all use the same circuit structure, which makes the product production simpler, thereby reducing the manufacturing cost.

[0007] In a further solution, the indicator light output circuit also includes a fifth diode and a second indicator light output terminal, the first end of the fifth diode is electrically connected to the monitoring input terminal, and the second end of the fifth diode is electrically connected to the second indicator light output terminal.

[0008] It can be seen that in addition to the fourth diode and the first indicator light output terminal, the ship alarm main circuit board also has a fifth diode and a second indicator light output terminal, which can realize simultaneous monitoring of two places and send alarm signals to two different places. For example, the ship's engine room control room and the cab can be monitored simultaneously without affecting each other.

[0009] In a further solution, the indicator light output circuit further includes a sixth diode and a first test terminal, the first end of the sixth diode is electrically connected to the first indicator light output terminal, and the second end of the sixth diode is electrically connected to the first test terminal.

[0010] It can be seen that in order to facilitate the detection of the product, the operator can send a control signal through the test button of the first test terminal to make the indicator light connected to the first indicator light output terminal light up, thereby confirming whether the indicator light is damaged.

[0011] In a further embodiment, the first test terminals of all control circuits are connected in series.

[0012] It can be seen that in order to facilitate one-time detection and improve detection efficiency, the first test terminals of all control circuits are connected in series, and the operator can determine whether all indicator lights are normal through one operation.

[0013] In a further solution, the indicator light output circuit further includes a seventh diode and a second test terminal, a first end of the seventh diode is electrically connected to the second indicator light output terminal, and a second end of the seventh diode is electrically connected to the second test terminal.

[0014] It can be seen that in order to facilitate the detection of the indicator light corresponding to the position at different positions, a second test terminal is provided to which another test button can be connected.

[0015] In a further embodiment, the second test terminals of all control circuits are connected in series.

[0016] It can be seen that in order to facilitate one-time detection and improve detection efficiency, the first test terminals of all control circuits are connected in series, and the operator can determine whether all indicator lights are normal through one operation.

[0017] In a further embodiment, the mute input terminals of all control circuits are connected in series.

[0018] It can be seen that in order to facilitate the mute control, the mute input terminals of all control circuits are connected in series. When the mute control signal is input, all control circuits can be mute, which provides convenience for users.

[0019] In a further solution, the ship alarm main circuit board also includes an extended connection terminal group, and each connection terminal in the extended connection terminal group is electrically connected to the corresponding terminal in all control circuits.

[0020] It can be seen that by setting up an extended connection terminal group, the ship alarm main circuit board can be flexibly combined into various combinations according to the number of alarm points of the equipment used, making the circuit simpler and more practical.

[0021] In order to achieve the above-mentioned second purpose, the ship alarm main circuit board of the present invention includes a ship alarm main circuit board, a first monitoring panel and a sensor monitoring circuit group, and the ship alarm main circuit board is electrically connected to the first monitoring panel and the sensor monitoring circuit respectively; the ship alarm main circuit board is provided with multiple control circuits, and the multiple control circuits are connected in parallel; each control circuit includes a monitoring input terminal, a sound control circuit and an indicator light output circuit, and the sound control circuit and the indicator light output circuit are both electrically connected to the monitoring input terminal, and the monitoring input terminal is electrically connected to one sensor monitoring circuit in the sensor monitoring circuit group; the sound control circuit includes a mute input terminal, a relay switch and a sound output terminal, the mute input terminal is electrically connected to the first terminal of the electromagnetic coil of the relay switch through a first diode, and the monitoring input terminal is electrically connected to the electromagnetic coil of the relay switch through a first diode. The second diode is electrically connected to the normally closed first terminal of the relay switch, the sound output terminal is electrically connected to the normally closed second terminal of the relay switch, the monitoring input terminal is electrically connected to the first end of the normally open contact of the relay switch, the second end of the normally open contact of the relay switch is electrically connected to the first end of the third diode, and the second end of the third diode is electrically connected to the first terminal of the electromagnetic coil of the relay switch; the indicator light output circuit includes a fourth diode and a first indicator light output terminal, the first end of the fourth diode is electrically connected to the monitoring input terminal, and the second end of the fourth diode is electrically connected to the first indicator light output terminal; the first monitoring panel is provided with a first indicator light group and a first mute button, each first indicator light output terminal is electrically connected to the indicator light corresponding to the first indicator light group, and each mute input terminal is electrically connected to the first mute button.

[0022] It can be seen that the ship alarm main circuit board of the ship alarm system of the present invention can monitor and control multiple monitoring points at the same time by setting a multi-channel control circuit. And the ship alarm main circuit board of the present invention improves the complex circuit of the traditional relay single control, and after adding the unidirectional characteristics of the diode, the circuit structure is simple and clear, which not only reduces the area and increases the tightness of the circuit, but also improves the contact competition of the relay and the influence of the reverse voltage generated when the relay is disconnected on the circuit, making the circuit operation more accurate and stable. In addition, the control circuits all use the same circuit structure, which makes the product production simpler, thereby reducing the manufacturing cost.

[0023] In a further scheme, the ship alarm system also includes a second monitoring panel, which is electrically connected to the ship alarm main circuit board; the indicator light output circuit also includes a fifth diode and a second indicator light output terminal, the first end of the fifth diode is electrically connected to the monitoring input terminal, and the second end of the fifth diode is electrically connected to the second indicator light output terminal; the second monitoring panel is provided with a second indicator light group and a second mute button, each second indicator light output terminal is electrically connected to the indicator light corresponding to the second indicator light group, and each mute input terminal is electrically connected to the second mute button.

[0024] It can be seen that in addition to the first monitoring panel, a second monitoring panel is also provided, which can realize simultaneous monitoring of two places and send alarm signals to two different places. For example, the engine room control room and the driving room of the ship can be monitored simultaneously without affecting each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a circuit layout diagram of an embodiment of a ship alarm main circuit board of the present invention.

[0026] Figure 2 The present invention is a circuit diagram of a ship alarm main circuit board embodiment.

[0027] Figure 3 It is a circuit principle diagram of another embodiment of the ship alarm main circuit board of the present invention.

[0028] Figure 4 It is a circuit schematic diagram of an embodiment of a ship alarm system of the present invention.

[0029] The present invention is further described below in conjunction with the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0030] Ship alarm main circuit board implementation example:

[0031] like Figure 1 and Figure 2As shown, the ship alarm main circuit board of the present invention includes multiple control circuits 1, and the multiple control circuits 1 are connected in parallel. The number of control circuits 1 can be set as needed, for example, the number of control circuits 1 can be set to 4, 5 or 8. In this embodiment, the number of control circuits 1 is 4. Each control circuit 1 includes a monitoring input terminal 2, a sound control circuit 3 and an indicator light output circuit 4, and the sound control circuit 3 and the indicator light output circuit 4 are both electrically connected to the monitoring input terminal 2.

[0032] The sound control circuit 3 includes a mute input terminal 31, a relay switch K and a sound output terminal 32. The mute input terminal 31 is electrically connected to the first terminal of the electromagnetic coil of the relay switch K through the first diode D1, the monitoring input terminal 2 is electrically connected to the normally closed first terminal of the relay switch K through the second diode D2, the sound output terminal 32 is electrically connected to the normally closed second terminal of the relay switch K, the monitoring input terminal 2 is electrically connected to the first end of the normally open contact of the relay switch K, the second end of the normally open contact of the relay switch K is electrically connected to the first end of the third diode D3, and the second end of the third diode D3 is electrically connected to the first terminal of the electromagnetic coil of the relay switch K. The mute input terminals 31 of all control circuits 1 are connected in series.

[0033] The indicator light output circuit 4 includes a fourth diode D4 and a first indicator light output terminal 41, wherein the first end of the fourth diode D4 is electrically connected to the monitoring input terminal 2, and the second end of the fourth diode D4 is electrically connected to the first indicator light output terminal 41. The indicator light output circuit 4 also includes a fifth diode D5 and a second indicator light output terminal 42, wherein the first end of the fifth diode D5 is electrically connected to the monitoring input terminal 2, and the second end of the fifth diode D5 is electrically connected to the second indicator light output terminal 42. The indicator light output circuit 4 also includes a sixth diode D6 and a first test terminal 43, wherein the first end of the sixth diode D6 is electrically connected to the first indicator light output terminal 41, and the second end of the sixth diode D6 is electrically connected to the first test terminal 43. The first test terminals 43 of all control circuits 1 are connected in series. The indicator light output circuit 4 also includes a seventh diode D7 and a second test terminal 44, wherein the first end of the seventh diode D7 is electrically connected to the second indicator light output terminal 42, and the second end of the seventh diode D7 is electrically connected to the second test terminal 44. The second test terminals 44 of all control circuits 1 are connected in series.

[0034] The ship alarm main circuit board also includes a sound output circuit 5, and the sound control circuit 3 is electrically connected to the sound output circuit 5. The sound output circuit 5 includes a first sound output terminal 51 and a second sound output terminal 52. The sound output terminal 32 is electrically connected to the first end of the eighth diode D8, the second end of the eighth diode D8 is electrically connected to the first sound output terminal 51, the sound output terminal 32 is electrically connected to the first end of the ninth diode D9, and the second end of the ninth diode D9 is electrically connected to the second sound output terminal 52.

[0035] The ship alarm main circuit board also includes an extended connection terminal group 6 and an extended connection terminal group 7, and each connection terminal in the extended connection terminal group 6 and the extended connection terminal group 7 is electrically connected to the corresponding terminal in all control circuits 1. In this embodiment, the extended connection terminal group 6 and the extended connection terminal group 7 each include a test terminal TS1, a mute terminal MU, a positive power supply terminal 24VDC+, a sound terminal BZ1, a sound terminal BZ2, a negative power supply terminal 24VDC- and a test terminal TS2, the test terminal TS1 is electrically connected to all first test terminals 43, the mute terminal MU is electrically connected to all mute input terminals 31, the sound terminal BZ1 is electrically connected to the sound output terminal 51, the sound terminal BZ2 is electrically connected to the sound output terminal 52, and the test terminal TS2 is electrically connected to all second test terminals 44. The first test terminal 43 is also electrically connected to the sound terminal BZ1 through the diode D10, and the second test terminal 44 is also electrically connected to the sound terminal BZ2 through the diode D11.

[0036] In addition, in order to adapt to the complexity of the common positive pole and the common negative pole of the ship's DC circuit, the ship alarm main circuit board of the present invention can meet the two requirements of the common positive pole and the common negative pole simply by changing the installation direction of the diode through the improvement of the circuit design of the ship alarm main circuit board. Figure 1 and Figure 2 The embodiment in the embodiment is a ship alarm main circuit board using a common positive electrode, Figure 3 The embodiment in the embodiment adopts a ship alarm main circuit board with a common cathode, and the ship alarm main circuit board with a common anode is opposite to the ship alarm main circuit board with a common cathode in that the diodes are installed in opposite directions.

[0037] Ship alarm system embodiment:

[0038] See also Figure 4 The ship alarm system of the present invention comprises a ship alarm main circuit board 20, a first monitoring panel 30, a second monitoring panel 40 and a sensor monitoring circuit group 50, and the ship alarm main circuit board 20 is electrically connected to the first monitoring panel 30, the second monitoring panel 40 and the sensor monitoring circuit group 50 respectively. The ship alarm main circuit board 20 applies the ship alarm main circuit board in the above-mentioned ship alarm main circuit board embodiment.

[0039] The first monitoring panel 30 is provided with a first indicator light group 301, a first mute button 302, a first test button 303 and a buzzer 304. Each first indicator light output terminal 41 in the ship alarm main circuit board 20 is electrically connected to the indicator light corresponding to the first indicator light group 301, and each mute input terminal 31 is electrically connected to the first mute button 302. The first test terminals 43 of all control circuits 1 are connected in series and electrically connected to the first test button 303, and the first sound output terminal 51 of the sound output circuit 5 is electrically connected to the buzzer 304.

[0040] The second monitoring panel 40 is provided with a second indicator light group 401, a second mute button 402, a second test button 403 and a buzzer 404. Each second indicator light output terminal 42 of the ship alarm main circuit board 20 is electrically connected to the indicator light corresponding to the second indicator light group 401, and each mute input terminal 31 is electrically connected to the second mute button 402. The second test terminals 44 of all control circuits 1 are connected in series and electrically connected to the second test button 403. The second sound output terminal 52 of the sound output circuit is electrically connected to the buzzer 404.

[0041] The sensor monitoring circuit group 50 is provided with the same number of sensor monitoring circuits 501 as the control circuit 1, and each sensor monitoring circuit 501 is electrically connected to a corresponding control circuit 1. Each control circuit 1 is electrically connected to a sensor monitoring circuit 501 in the sensor monitoring circuit group 50 via a monitoring input terminal 2. The sensor monitoring circuit 501 can be set according to the alarm type to be detected. For example, the alarm type can be a ship watertight door hatch cover alarm or a generator alarm. The sensor monitoring circuit 501 can adopt an existing known sensor monitoring circuit, which will not be described here. In the present invention, the sensor monitoring circuit 501 is used to generate an alarm signal for prompting the control panel.

[0042] When the ship alarm system of the present invention is working, when any sensor monitoring circuit 501 in the sensor monitoring circuit group 50 generates an alarm signal, the voltage signal is transmitted to the first indicator light group 301 of the first monitoring panel 30 and the second indicator light group 401 of the second monitoring panel 40 through the fourth diode D4 and the fifth diode D5, so that the indicator lights are illuminated. At the same time, the voltage signal is sent to the buzzer 304 and the buzzer 404 through the normally closed contact of the relay switch K, so that they emit an alarm sound. When the operator sees the corresponding indicator light and hears the alarm buzzer sound, the first mute button 302 or the second mute button 402 can be pressed to trigger the relay switch K to disconnect the normally closed contact, so that the corresponding buzzer 304 or the buzzer 404 is powered off and silenced, and the position where the alarm occurs can be judged according to the indicator light, thereby achieving the monitoring effect. In addition, in order to facilitate the detection of the product, the operator can send a test signal through the first test button 303, so that the indicator lights of the first indicator light group 301 light up and the buzzer 304 sound, thereby confirming whether the indicator lights and buzzer 304 in the first indicator light group 301 are damaged. The operator can send a test signal through the second test button 403, so that the indicator lights of the second indicator light group 401 light up and the buzzer 404 sound, thereby confirming whether the indicator lights and buzzer 404 in the second indicator light group 401 are damaged.

[0043] It should be noted that those skilled in the art should be aware that there may be more than two monitoring panels, and the monitoring panels may be set according to actual needs. The indicator light output circuit 4 of each control circuit 1 is set according to the number of monitoring panels, so that each control circuit 1 can control the corresponding indicator lights of all monitoring panels at the same time.

[0044] As can be seen from the above, the ship alarm main circuit board of the ship alarm system of the present invention can monitor and control multiple monitoring points at the same time by setting a multi-channel control circuit. And the ship alarm main circuit board of the present invention improves the complex circuit of the traditional relay single control, and after adding the unidirectional characteristics of the diode for use, the circuit structure is simple and clear, which not only reduces the area and increases the tightness of the circuit, but also improves the contact competition of the relay and the influence of the reverse voltage generated when the relay is disconnected on the circuit, making the circuit operation more accurate and stable. In addition, the control circuits all use the same circuit structure, which makes the product production simpler, thereby reducing the manufacturing cost.

[0045] It should be noted that the above are only preferred embodiments of the present invention, but the design concept of the invention is not limited thereto, and any non-substantial modifications made to the present invention using this concept also fall within the protection scope of the present invention.

Claims

1. A ship alarm main circuit board, characterized in that: A plurality of control circuits are provided, and the plurality of control circuits are connected in parallel; Each control circuit comprises a monitoring input terminal, a sound control circuit and an indicator light output circuit, and both the sound control circuit and the indicator light output circuit are electrically connected to the monitoring input terminal; The sound control circuit includes a mute input terminal, a relay switch and a sound output terminal, the mute input terminal is electrically connected to the first terminal of the electromagnetic coil of the relay switch through a first diode, the monitoring input terminal is electrically connected to the normally closed first terminal of the relay switch through a second diode, the sound output terminal is electrically connected to the normally closed second terminal of the relay switch, the monitoring input terminal is electrically connected to the first end of the normally open contact of the relay switch, the second end of the normally open contact of the relay switch is electrically connected to the first end of the third diode, and the second end of the third diode is electrically connected to the first terminal of the electromagnetic coil of the relay switch; The indicator light output circuit comprises a fourth diode and a first indicator light output terminal, a first end of the fourth diode is electrically connected to the monitoring input terminal, and a second end of the fourth diode is electrically connected to the first indicator light output terminal; The indicator light output circuit further includes a fifth diode and a second indicator light output terminal, a first end of the fifth diode is electrically connected to the monitoring input terminal, and a second end of the fifth diode is electrically connected to the second indicator light output terminal; The indicator light output circuit further includes a sixth diode and a first test terminal, wherein a first end of the sixth diode is electrically connected to the first indicator light output terminal, and a second end of the sixth diode is electrically connected to the first test terminal; The first test terminals of all the control circuits are connected in series; The indicator light output circuit further includes a seventh diode and a second test terminal, a first end of the seventh diode is electrically connected to the second indicator light output terminal, and a second end of the seventh diode is electrically connected to the second test terminal; The second test terminals of all the control circuits are connected in series; The mute input terminals of all the control circuits are connected in series; The ship alarm main circuit board also includes an extended connection terminal group, and each connection terminal in the extended connection terminal group is electrically connected to a corresponding terminal in all the control circuits.

2. A ship alarm system, characterized in that: It includes a ship alarm main circuit board, a first monitoring panel and a sensor monitoring circuit group, wherein the ship alarm main circuit board is electrically connected to the first monitoring panel and the sensor monitoring circuit respectively; The ship alarm main circuit board adopts the ship alarm main circuit board as claimed in claim 1; The monitoring input terminal is electrically connected to one sensor monitoring circuit in the sensor monitoring circuit group; The first monitoring panel is provided with a first indicator light group and a first mute button, each of the first indicator light output terminals is electrically connected to an indicator light corresponding to the first indicator light group, and each of the mute input terminals is electrically connected to the first mute button.

3. The ship alarm system according to claim 2, characterized in that: The ship alarm system further comprises a second monitoring panel, the second monitoring panel being electrically connected to the ship alarm main circuit board; The indicator light output circuit further includes a fifth diode and a second indicator light output terminal, a first end of the fifth diode is electrically connected to the monitoring input terminal, and a second end of the fifth diode is electrically connected to the second indicator light output terminal; The second monitoring panel is provided with a second indicator light group and a second mute button, each of the second indicator light output terminals is electrically connected to the indicator light corresponding to the second indicator light group, and each of the mute input terminals is electrically connected to the second mute button.

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