CN216252269U - Power supply device for ship communication navigation equipment - Google Patents
Power supply device for ship communication navigation equipment Download PDFInfo
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- CN216252269U CN216252269U CN202122960284.7U CN202122960284U CN216252269U CN 216252269 U CN216252269 U CN 216252269U CN 202122960284 U CN202122960284 U CN 202122960284U CN 216252269 U CN216252269 U CN 216252269U
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Abstract
The utility model discloses a power supply device for ship communication navigation equipment, which comprises a non-delay switching and DC output circuit, wherein the non-delay switching and DC output circuit comprises three paths of 24VDC power supply modules, an integrated circuit LTC4416 and P-channel field effect transistors Q1-Q4, the V1 end of the integrated circuit LTC4416 is simultaneously connected with the drains of a first input power supply Vin1 and a Q1, the V2 end is simultaneously connected with the drains of a second input power supply Vin2 and a Q3, the G1 end is simultaneously connected with the grid of Q1 and the grid of Q2, the G2 end is simultaneously connected with the grid of the Q3 and the grid of the Q4, the source of the Q1 is connected with the source of the Q2, the drain of the Q2 is simultaneously connected with the Vs end of the integrated circuit LTC4416 and the input end of the three paths of the VDC power supply modules, the source of the Q3 is connected with the source of the Q4, and the drain of the Q4 is simultaneously connected with the drain of the integrated circuit LTC4416 and the input end of the three paths of the VDC 24VDC power supply modules. The scheme can realize seamless switching of two power supplies and effectively ensure the power supply stability and reliability of the power supply device.
Description
Technical Field
The utility model relates to the technical field of ship communication navigation equipment, in particular to a power supply device for ship communication navigation equipment.
Background
With the development of science and technology, the ship communication navigation equipment needs to work stably and reliably, and the quality of the power supply device provided by the ship communication navigation equipment directly affects the work of the ship communication navigation equipment, so that how to provide a stable and reliable power supply device also becomes a technical problem which needs to be solved for ensuring the stable work of the ship communication navigation equipment.
The utility model patent with publication number CN100576685 discloses a marine ac/dc distribution device, which comprises an ac power switch, a dc power switch, a single-chip microcomputer, a display, a keyboard, and a shunt switch, wherein the minimum system of the single-chip microcomputer combines the ac power switch and the dc power switch and controls the ac power switch and the dc power switch, and simultaneously, the single-chip microcomputer samples and analyzes the voltage and current of the power supply in real time and displays the sampled and analyzed voltage and current on the display, the keyboard can realize friendly man-machine conversation and adjust the distribution state of the ac power switch and the dc power switch of each channel, and the shunt switch is in control connection with the single-chip microcomputer; the alternating current power switch comprises a contact alternating current power switch, a non-contact alternating current power switch and a controller, wherein the input end of the contact alternating current power switch is connected with an alternating current power supply lead, the output end of the contact alternating current power switch is connected with the non-contact alternating current power switch lead, and the controller is respectively connected with the contact alternating current power switch and the non-contact alternating current power switch in a control mode. However, the power distribution device described above has found the following problems in practical use: 1. the power distribution device cannot realize remote real-time monitoring; 2. the power distribution device cannot make relevant design for the safety protection and heat dissipation of the whole system; 3. the power distribution device cannot realize seamless switching between alternating current and direct current, so that when one power supply fails, the power distribution device cannot be seamlessly switched to the other power supply to supply power, and the use reliability of the power distribution device is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the technical problems to be solved by the utility model are as follows: how to provide a power supply device for ship communication navigation equipment, which can realize seamless switching between two power supplies and greatly improve the reliability.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a power supply device for ship communication navigation equipment comprises a non-delay switching and DC output circuit, wherein the non-delay switching and DC output circuit comprises a three-way 24VDC power supply module, an integrated circuit LTC4416, a P-channel field effect transistor Q1, a P-channel field effect transistor Q2, a P-channel field effect transistor Q3 and a P-channel field effect transistor Q4, a V1 end of the integrated circuit LTC4416 is simultaneously connected with a first input power Vin1 and a drain electrode of a field effect transistor Q1, a V2 end of the integrated circuit LTC4416 is simultaneously connected with a second input power Vin2 and a drain electrode of the field effect transistor Q3, a G1 end of the integrated circuit LTC4416 is simultaneously connected with a grid electrode of a field effect transistor Q1 and a grid electrode of the field effect transistor Q2, a G2 end of the integrated circuit LTC4416 is simultaneously connected with a grid electrode of the field effect transistor Q3 and a grid electrode of the field effect transistor Q4, a source electrode of the field effect transistor Q1 and a source electrode of the field effect transistor Q2 are connected with the field effect transistor Q353932, the drain electrode of the field effect transistor Q2 is simultaneously connected with the Vs end of the integrated circuit LTC4416 and the input end of the three-way 24VDC power module, the source electrode of the field effect transistor Q3 is connected with the source electrode of the field effect transistor Q4, and the drain electrode of the field effect transistor Q4 is simultaneously connected with the Vs end of the integrated circuit LTC4416 and the input end of the three-way 24VDC power module.
The working principle of the utility model is as follows: the power supply device of the scheme is simultaneously connected with two paths of input power supplies Vin1 and Vin2, in a non-delay switching and DC output circuit, an integrated circuit LTC4416 controls two groups of external P channels to have four field effect transistors, so that two nearly ideal diode functions can be created for power supply switching, high-efficiency alternation of a plurality of power supplies is realized, the service life is effectively prolonged, and self-heating is reduced; when the power supply is switched on, the voltage drop at two ends of the field effect transistor is usually 25mV, and for the application that an alternating current adapter or other auxiliary power supplies are adopted, when the auxiliary power supplies are switched on, the load is quickly disconnected with the power supplies, so that the non-delay switching of two power supplies is realized; meanwhile, the non-delay switching and DC output circuit outputs three 24VDC power supplies through three 24VDC power supply modules, and the three 24VDC power supplies are simultaneously output to the communication navigation equipment for use, so that the normal work of the communication navigation equipment is not influenced by the fact that a certain power supply is disconnected in the working process of the communication navigation equipment, the power supply stability of the power supply device is greatly improved, and the normal work of the communication navigation equipment is ensured. Therefore, the scheme can realize seamless switching of two power supplies and effectively ensure the power supply stability and reliability of the power supply device.
Preferably, a first light emitting diode is connected between the first input power Vin1 and ground, and a second light emitting diode is connected between the second input power Vin2 and ground.
In this way, when the first input power Vin1 is normally powered, the first light emitting diode is turned on, and when the first input power Vin1 is powered off, the first light emitting diode is turned off, so that the working condition of the first input power Vin1 can be conveniently observed through the first light emitting diode; similarly, when the second input power Vin2 is normally powered on, the second light emitting diode is turned on, and when the second input power Vin2 is powered off, the second light emitting diode is turned off, so that the working condition of the second input power Vin2 can be conveniently observed through the second light emitting diode.
Preferably, a third light emitting diode is connected between the input end of the three-way 24VDC power supply module and the ground.
Therefore, the power-on condition of the input end of the three-way 24VDC power supply module can be observed conveniently through the third light-emitting diode.
Preferably, the power supply device further comprises an alarm contact output circuit, wherein the alarm contact output circuit comprises a first normally closed relay and a second normally closed relay;
the input end of the first normally closed relay is connected with the first input power source Vin1, and the output end of the first normally closed relay is connected with an external alarm device so as to output an alarm signal to the external alarm device when the first input power source Vin1 is disconnected;
the input end of the second normally closed relay is connected with the second input power source Vin2, and the output end of the second normally closed relay is connected with an external alarm device, so that an alarm signal is output to the external alarm device when the second input power source Vin2 is disconnected.
Thus, by providing two normally closed relays, when the first input power source Vin1 is turned on, the first normally closed relay is in an off state; when the first input power supply Vin1 is disconnected, the first normally-closed relay is in a closed state, so that an external alarm is powered on, and the output of an alarm signal is realized; similarly, when the second input power Vin2 is switched on, the second normally-closed relay is in an off state; when the second input power Vin2 is disconnected, the second normally-closed relay is in a closed state, so that the external alarm is powered on, and the output of an alarm signal is realized.
Preferably, the power supply device further includes a fan circuit, and the fan circuit is connected with a fan.
Thus, the heat dissipation effect of the power supply device is realized by the fan on the fan circuit.
Preferably, the power supply apparatus further includes an AC input circuit for outputting a first input power Vin1 and a DC input circuit for outputting a second input power Vin2, and the AC input circuit includes an NDR-240-24 power module and the DC input circuit includes a DDR-240B-24 power module.
Thus, the AC input circuit and the DC input circuit are respectively connected with the NDR-240-24 power supply module and the DDR-240B-24 power supply module, and the two power supply modules have enhanced isolation (including 4KVDC input and output isolation), short circuit, overload, overvoltage protection and over-temperature protection, so that the stability, the safety and the reliability of the whole power supply device are enhanced.
Preferably, power supply unit still includes ESP32-WROVER-B module circuit, ESP32-WROVER-B module circuit carries out wireless communication through WIFI with external remote terminal.
Therefore, the power supply device of the scheme realizes real-time remote monitoring by using the ESP32-WROVER-B module and the circuit thereof connected with WIFI, so that the working state of the power supply device can be seen in real time in the sailing process of the ship.
Preferably, the first input power Vin1 is 220VAC power, and the second input power Vin2 is 24VDC power.
Compared with the prior art, the scheme has the following advantages:
1. the scheme is simultaneously connected with 220VAC and 24VDC power supplies, and the non-delay switching of two paths of power supplies and the output of three paths of 24VDC power supplies are realized through the non-delay switching and DC output circuit, so that the communication navigation equipment can work more stably, and the smooth course of the ship has one more safety guarantee.
2. The scheme can realize real-time remote monitoring and contact alarm output, can better realize the unhatched silk and provides convenience for troubleshooting and maintenance.
3. The design of the heat dissipation, isolation and protection circuit in the scheme ensures that the utility model is more stable, safe and reliable.
Drawings
FIG. 1 is a schematic diagram of the connection between a power supply device and an external device for a ship communication and navigation device according to the present invention;
FIG. 2 is a circuit diagram of a non-delay switching and DC output circuit in the power supply device for the ship communication navigation equipment according to the present invention;
FIG. 3 is a circuit diagram of an alarm contact output circuit in the power supply device for the ship communication navigation equipment according to the present invention;
FIG. 4 is a circuit diagram of a fan circuit in the power supply device for the ship communication navigation equipment according to the present invention;
FIG. 5 is a circuit diagram of an AC input circuit of the power supply device for the communication and navigation equipment of the ship;
fig. 6 is a circuit diagram of a DC input circuit in the power supply device for the marine communication navigation apparatus according to the present invention.
Detailed Description
The utility model will be further explained with reference to the drawings and the embodiments.
As shown in the attached figures 1 and 2, the power supply device for the ship communication navigation equipment comprises a non-delay switching and DC output circuit, wherein the non-delay switching and DC output circuit comprises a three-way 24VDC power supply module, an integrated circuit LTC4416, a P-channel field effect tube Q1, a P-channel field effect tube Q2, a P-channel field effect tube Q3 and a P-channel field effect tube Q4, a V1 end of the integrated circuit LTC4416 is simultaneously connected with a first input power supply 1 (220 VAC/47-63 Hz) and a drain electrode of the field effect tube Q1, a V2 end of the integrated circuit LTC4416 is simultaneously connected with a second input power supply Vin2 (24 VDC) and a drain electrode of a field effect tube Q3, a G1 end of the integrated circuit LTC4416 is simultaneously connected with a grid electrode of a Q1 and a grid electrode of the field effect tube Q2, a G2 end of the integrated circuit LTC4416 is simultaneously connected with a grid electrode of a field effect tube Q3 and a grid electrode of a field effect tube Q4, and a source electrode of a field effect tube Q1 and a source electrode Q582, the drain electrode of the field effect transistor Q2 is simultaneously connected with the Vs end of the integrated circuit LTC4416 and the input end of the three-way 24VDC power supply module, the source electrode of the field effect transistor Q3 is connected with the source electrode of the field effect transistor Q4, and the drain electrode of the field effect transistor Q4 is simultaneously connected with the Vs end of the integrated circuit LTC4416 and the input end of the three-way 24VDC power supply module.
The working principle of the utility model is as follows: the power supply device of the scheme is simultaneously connected with two paths of input power sources Vin1 and Vin2 through the fence wiring terminal, in a non-delay switching and DC output circuit, the integrated circuit LTC4416 can create two nearly ideal diode functions for power supply switching by controlling two groups of external P channels, so that high-efficiency alternation of a plurality of power sources is realized, the service life is effectively prolonged, and self-heating is reduced; when the power supply is switched on, the voltage drop at two ends of the field effect transistor is usually 25mV, and for the application that an alternating current adapter or other auxiliary power supplies are adopted, when the auxiliary power supplies are switched on, the load is quickly disconnected with the power supplies, so that the non-delay switching of two power supplies is realized; meanwhile, the non-delay switching and DC output circuit outputs three 24VDC power supplies through three 24VDC power supply modules, and the three 24VDC power supplies are simultaneously output to the communication navigation equipment for use, so that the normal work of the communication navigation equipment is not influenced by the fact that a certain power supply is disconnected in the working process of the communication navigation equipment, the power supply stability of the power supply device is greatly improved, and the normal work of the communication navigation equipment is ensured. Therefore, the scheme can realize seamless switching of two power supplies and effectively ensure the power supply stability and reliability of the power supply device.
In the present embodiment, a first light emitting diode D1 is connected between the first input power Vin1 and the ground, and a second light emitting diode D2 is connected between the second input power Vin2 and the ground.
In this way, when the first input power Vin1 is normally powered, the first light emitting diode D1 is turned on, and when the first input power Vin1 is powered off, the first light emitting diode D1 is turned off, so that the working condition of the first input power Vin1 can be conveniently observed through the first light emitting diode D1; similarly, when the second input power Vin2 is normally powered, the second light emitting diode D2 is turned on, and when the second input power Vin2 is powered off, the second light emitting diode D2 is turned off, so that the operating condition of the second input power Vin2 can be conveniently observed through the second light emitting diode D2.
In this embodiment, a third led D3 is connected between the input of the three-way 24VDC power module and ground.
Therefore, the power-on condition of the input end of the three-way 24VDC power supply module can be observed conveniently through the third light-emitting diode D3.
As shown in fig. 3, in the present embodiment, the power supply apparatus further includes an alarm contact output circuit including a first normally closed relay J1 and a second normally closed relay J2;
the input end of the first normally closed relay J1 is connected with a first input power Vin1, and the output end of the first normally closed relay J1 is connected with an external alarm device so as to output an alarm signal to the external alarm device when the first input power Vin1 is disconnected;
an input terminal of the second normally closed relay J2 is connected to a second input power source Vin2, and an output terminal of the second normally closed relay J2 is connected to an external alarm device to output an alarm signal to the external alarm device when the second input power source Vin2 is disconnected.
Thus, by providing two normally closed relays, when the first input power source Vin1 is turned on, the first normally closed relay J1 is in an off state; when the first input power supply Vin1 is disconnected, the first normally-closed relay J1 is in a closed state, so that an external alarm is powered on, and the output of an alarm signal is realized; similarly, when the second input power source Vin2 is turned on, the second normally-closed relay J2 is in an off state; when the second input power Vin2 is disconnected, the second normally-closed relay J2 is in a closed state, so that the external alarm is powered on, and the output of an alarm signal is realized.
As shown in fig. 4, in the present embodiment, the power supply device further includes a fan circuit, and a fan is connected to the fan circuit.
Thus, the heat dissipation effect of the power supply device is realized by the fan on the fan circuit.
As shown in fig. 5 and 6, in the present embodiment, the power supply apparatus further includes an AC input circuit for outputting a first input power Vin1, and a DC input circuit for outputting a second input power Vin2, and the AC input circuit includes an NDR-240-24 power module, and the DC input circuit includes a DDR-240B-24 power module.
Thus, the AC input circuit and the DC input circuit are respectively connected with the NDR-240-24 power supply module and the DDR-240B-24 power supply module, and the two power supply modules have enhanced isolation (including 4KVDC input and output isolation), short circuit, overload, overvoltage protection and over-temperature protection, so that the stability, the safety and the reliability of the whole power supply device are enhanced.
In this embodiment, power supply unit still includes ESP32-WROVER-B module circuit, and ESP32-WROVER-B module circuit carries out wireless communication through WIFI with external remote terminal.
Therefore, the power supply device of the scheme realizes real-time remote monitoring by using the ESP32-WROVER-B module and the circuit thereof connected with WIFI, so that the working state of the power supply device can be seen in real time in the sailing process of the ship.
In this embodiment, the first input power Vin1 is a 220VAC power, and the second input power Vin2 is a 24VDC power.
Compared with the prior art, the scheme has the following advantages: the scheme is simultaneously connected with 220VAC and 24VDC power supplies, and the non-delay switching of two paths of power supplies and the output of three paths of 24VDC power supplies are realized through the non-delay switching and DC output circuit, so that the communication navigation equipment can work more stably, and the smooth course of the ship has one more safety guarantee. The scheme can realize real-time remote monitoring and contact alarm output, can better realize the unhatched silk and provides convenience for troubleshooting and maintenance. The design of the heat dissipation, isolation and protection circuit in the scheme ensures that the utility model is more stable, safe and reliable.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (8)
1. A power supply device for ship communication navigation equipment is characterized by comprising a non-delay switching and DC output circuit, wherein the non-delay switching and DC output circuit comprises a three-way 24VDC power supply module, an integrated circuit LTC4416, a P-channel field effect transistor Q1, a P-channel field effect transistor Q2, a P-channel field effect transistor Q3 and a P-channel field effect transistor Q4, a V1 end of the integrated circuit LTC4416 is simultaneously connected with a first input power Vin1 and a drain electrode of the field effect transistor Q1, a V2 end of the integrated circuit LTC4416 is simultaneously connected with a second input power Vin2 and the drain electrode of the field effect transistor Q3, a G1 end of the integrated circuit LTC4416 is simultaneously connected with a grid electrode of the field effect transistor Q1 and the grid electrode of the field effect transistor Q2, a G2 end of the integrated circuit LTC4416 is simultaneously connected with the grid electrode of the field effect transistor Q3 and the grid electrode of the field effect transistor Q4, and a source electrode of the field effect transistor Q3942 is connected with the source electrode Q35 2 of the field effect transistor Q1, the drain electrode of the field effect transistor Q2 is simultaneously connected with the Vs end of the integrated circuit LTC4416 and the input end of the three-way 24VDC power module, the source electrode of the field effect transistor Q3 is connected with the source electrode of the field effect transistor Q4, and the drain electrode of the field effect transistor Q4 is simultaneously connected with the Vs end of the integrated circuit LTC4416 and the input end of the three-way 24VDC power module.
2. The power supply apparatus for marine communication and navigation equipment as claimed in claim 1, wherein a first light emitting diode is connected between the first input power Vin1 and ground, and a second light emitting diode is connected between the second input power Vin2 and ground.
3. The power supply device for marine communication and navigation equipment of claim 1, wherein a third light emitting diode is connected between the input end of the three-way 24VDC power supply module and the ground.
4. The power supply device for the marine communication navigation apparatus according to claim 1, further comprising an alarm contact output circuit including a first normally closed relay and a second normally closed relay;
the input end of the first normally closed relay is connected with the first input power source Vin1, and the output end of the first normally closed relay is connected with an external alarm device so as to output an alarm signal to the external alarm device when the first input power source Vin1 is disconnected;
the input end of the second normally closed relay is connected with the second input power source Vin2, and the output end of the second normally closed relay is connected with an external alarm device, so that an alarm signal is output to the external alarm device when the second input power source Vin2 is disconnected.
5. The power supply device for the ship communication and navigation device according to claim 1, further comprising a fan circuit, wherein a fan is connected to the fan circuit.
6. The power supply unit for the marine communication and navigation device according to claim 1, wherein the power supply unit further comprises an AC input circuit for outputting a first input power Vin1 and a DC input circuit for outputting a second input power Vin2, and the AC input circuit comprises an NDR-240-24 power module and the DC input circuit comprises a DDR-240B-24 power module.
7. The power supply unit for the ship communication and navigation equipment of claim 1, further comprising an ESP 32-writer-B module circuit, wherein the ESP 32-writer-B module circuit wirelessly communicates with an external remote terminal through WIFI.
8. The power supply unit for marine communication and navigation equipment as claimed in claim 1, wherein the first input power source Vin1 is a 220VAC power source, and the second input power source Vin2 is a 24VDC power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122960284.7U CN216252269U (en) | 2021-11-29 | 2021-11-29 | Power supply device for ship communication navigation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122960284.7U CN216252269U (en) | 2021-11-29 | 2021-11-29 | Power supply device for ship communication navigation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216252269U true CN216252269U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122960284.7U Active CN216252269U (en) | 2021-11-29 | 2021-11-29 | Power supply device for ship communication navigation equipment |
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| CN (1) | CN216252269U (en) |
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- 2021-11-29 CN CN202122960284.7U patent/CN216252269U/en active Active
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