CN217215968U - Shipborne power supply control extension - Google Patents
Shipborne power supply control extension Download PDFInfo
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- CN217215968U CN217215968U CN202220736673.3U CN202220736673U CN217215968U CN 217215968 U CN217215968 U CN 217215968U CN 202220736673 U CN202220736673 U CN 202220736673U CN 217215968 U CN217215968 U CN 217215968U
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Abstract
The utility model provides a ship-borne power supply control extension, which belongs to the technical field of power supply control; the DC-DC isolation output module comprises a plurality of groups of power supply circuits connected with a DC input end, wherein each power supply circuit comprises an EMI filter circuit, an input over-voltage and under-voltage protection circuit and a plurality of DC-DC isolation output modules connected with the output end of the input over-voltage and under-voltage protection circuit in parallel, the positive and negative poles of the output ends of the plurality of DC-DC isolation output modules are respectively led out to serve as a plurality of DC output ends of the power supply circuit, an on-off relay is arranged between the output end of the DC-DC isolation output module and the DC output end, and a manual adjusting knob is further connected onto the DC-DC isolation output module; the utility model discloses the lectotype localization of inside module, when satisfying multiple power supply output function, the module is succinct, has realized the multichannel backup, has multiple controllable mode simultaneously.
Description
Technical Field
The utility model belongs to the technical field of power supply control, concretely relates to carrier-borne power supply control extension.
Background
Most of equipment in the ship-based system is driven by electric power, so that high-quality power supply for the ship-based system is the basis for ensuring the normal operation of a ship; in the existing domestic carrier-based power supply mode, power supply and on-off control are realized by adopting a power supply control extension, but the existing power supply extension technology and products are imported from foreign countries, so that the cost is too high, the technical dependence is strong, and the technology development of the domestic carrier-based system is not facilitated.
Meanwhile, in order to ensure the reliability of the operation of the ship-based system, the circuit modules in the power supply extension are usually set to be multi-path backup protection, so that the circuit is complex, and more technical points need to be broken through; therefore, the power supply control extension set which is based on the premise of meeting the multipath backup protection, has a simple and reliable circuit, realizes various controllable modes and is a necessary path for the technical development of the current carrier-based system is designed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a carrier-borne power supply control extension, the lectotype localization of its inside module is when satisfying multiple power supply output function, and the module is succinct, has realized the multichannel backup, has multiple controllable mode simultaneously.
The utility model discloses a following technical scheme realizes the purpose:
a ship-borne power supply control extension comprises a plurality of groups of power supply circuits connected with direct current input ends, wherein each power supply circuit comprises an EMI filter circuit, an input over-voltage and under-voltage protection circuit and a plurality of DC-DC isolation output modules connected with the output ends of the input over-voltage and under-voltage protection circuits in parallel, the positive and negative poles of the output ends of the plurality of DC-DC isolation output modules are respectively led out to serve as a plurality of direct current output ends of the power supply circuits, an on-off relay is arranged between the output end of the DC-DC isolation output module and the direct current output ends, and a manual adjusting knob is further connected onto the DC-DC isolation output module.
The remote control end is connected with the on-off relay and used for controlling the on-off of the on-off relay, and the remote control end is also connected with the plurality of DC-DC isolation output modules and used for controlling and switching the manual or automatic operation state of each DC-DC isolation output module.
Specifically, the power supply circuits are divided into two groups.
Further, the input voltage range of the direct current input end is 240V to 400V.
Furthermore, in the power supply circuit, there are five DC-DC isolation output modules connected in parallel with the output terminal of the input overvoltage and undervoltage protection circuit, wherein the DC output terminals led out by the first, second and third DC-DC isolation output modules are dedicated power output terminals, the DC output terminal led out by the fourth DC-DC isolation output module is a temperature control power output terminal, and the DC output terminal led out by the fifth DC-DC isolation output module is a working power output terminal.
Specifically, the output end of the special power supply comprises a path A output end, a path B output end and a path C output end, and the model of a first DC-DC isolation output module, a second DC-DC isolation output module and a third DC-DC isolation output module which are connected with the output end of the special power supply is HFBS1000-300S36 BNCT.
Specifically, the model of the fourth DC-DC isolation output module connected with the temperature control power supply output end is SQBS100-300S48 BNCL.
Specifically, the model of a fifth DC-DC isolation output module connected with the output end of the working power supply is HPZ150S 30028-T.
Preferably, still include self-checking circuit, self-checking circuit includes voltage acquisition module, voltage acquisition module connects direct current input end and a plurality of direct current output respectively for gather input voltage and a plurality of output voltage.
Specifically, the specific model of the voltage acquisition module is TE 6654.
To sum up, owing to adopted this technical scheme, the beneficial effects of the utility model are as follows:
1. the power supply control extension has a plurality of groups of power supply circuits which are mutually backup and independent, after direct current is input through a uniform direct current input end, the direct current is stably converted into direct current with certain indexes required by various carrier-based systems to be output, and each direct current output is mutually isolated and independent and does not influence each other; when the power supply circuit is constructed, the module is simple, the power supply circuit is connected by using a domestic module, and meanwhile, the power supply circuit has an auxiliary circuit with perfect functions and performances.
2. In the power supply circuit of the control extension, the direct current output end and the plurality of DC-DC isolation output modules are remotely controlled, so that power supply on-off operation can be conveniently carried out, and the requirements in actual use are met.
3. The DC-DC isolation output module has two working states of automatic and manual operation, so that a control mode combining remote automatic control and field manual control is realized, and a manual adjusting knob arranged on the DC-DC isolation output module can adjust the output voltage of the module.
4. Aiming at the power supply index requirements of specific ship-based systems and equipment, the power supply control extension can finally provide direct current output power supplies with various indexes, and at least two paths of direct current output power supplies which are isolated from each other and independent are arranged in the power supply with the same index, so that the power supply requirements of the ship-based systems and equipment are met as far as possible, and the power supply reliability is ensured.
5. The control extension set is also provided with a self-checking circuit, and a domestic simple module is also adopted, so that the input voltage and a plurality of output voltages of the power supply extension set are monitored, and the abnormal condition is fed back in time.
Drawings
FIG. 1 is a schematic block diagram of a first set of power supply output on-off control;
fig. 2 is a schematic block diagram of a second or subsequent set of power supply output on-off control.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, a carrier-based power supply control extension includes a plurality of sets of power supply circuits connected to a DC input terminal, where the power supply circuits include an EMI filter circuit and an input overvoltage/undervoltage protection circuit connected in sequence, and a plurality of DC-DC isolation output modules connected in parallel to an output terminal of the input overvoltage/undervoltage protection circuit, positive and negative terminals of output terminals of the plurality of DC-DC isolation output modules are respectively led out as a plurality of DC output terminals of the power supply circuit, an on-off relay is provided between an output terminal of the DC-DC isolation output module and the DC output terminal, and the DC-DC isolation output module is further connected to a manual adjustment knob.
The remote control end is connected with the on-off relay and used for controlling the on-off of the on-off relay, and the remote control end is also connected with the plurality of DC-DC isolation output modules and used for controlling and switching the manual or automatic operation state of each DC-DC isolation output module.
When the direct current is input, the direct current firstly passes through the EMI filter circuit and the input over-voltage and under-voltage protection circuit, which is an auxiliary circuit of the power supply control extension, the circuit composition of the auxiliary circuit is the prior art, the auxiliary circuit can be directly selected, and after the auxiliary circuit has the EMI filter function and the input over-voltage and under-voltage protection function, the performance and the power supply quality of the power supply control extension can be improved, and the reliability is enhanced.
The power supply control extension set is provided with a plurality of groups of power supply circuits, each group of power supply circuits has the same composition structure, direct current performance indexes output by a plurality of direct current output ends provided by the power supply control extension set are also the same, and the requirements of carrier-based systems and equipment on the number of power supply types, the power supply quality, the power supply backup and the like can be met after manual or automatic control.
In the remote control of the power supply extension set, the remote control mainly controls a DC-DC isolation output module and an on-off relay in the extension set, the DC-DC isolation output module mainly determines that the DC-DC isolation output module operates in a manual state or an automatic state, if the DC-DC isolation output module is in the manual state, field personnel can adjust the output voltage of the module through a manual adjusting knob arranged on the module, and if the DC-DC isolation output module is in the automatic state, the output voltage of the module can be automatically adjusted through a remote control end; the switching control of the on-off relay can start or stop a certain direct current output end in a certain group of power supply circuits in the power supply control extension, so that the purpose of starting and stopping power supply is achieved.
Therefore, the power supply control extension has a plurality of groups of independent power supply circuits which are mutually backed up, and after the direct current is input through the unified direct current input end, the direct current is stably converted into the direct current with a certain index required by various carrier-based systems to be output, and each direct current output is isolated and independent from each other and does not influence each other; when the power supply circuit is constructed, the module is simple, the power supply circuit is connected by using a domestic module, and meanwhile, the power supply circuit has an auxiliary circuit with perfect function and performance.
Example 2
On the basis of embodiment 1, as shown in fig. 1 and fig. 2, this embodiment describes the connection, type selection and index of the power supply control extension in detail, in this embodiment, the power supply control extension has a dc input end, the dc voltage range input from the dc input end to the power supply control extension is 240V to 400V, and the power is greater than or equal to 3.5 KW.
In the power supply control slave unit of the present embodiment, two sets of power supply circuits are connected to the dc input terminal, and the two sets of power supply circuits have the same composition and connection structure, and the structure of the first set of power supply circuit will be described below.
As shown in fig. 1, in the power supply circuit, after the DC input terminal is connected to the EMI filter circuit and the overvoltage/undervoltage protection circuit, there are five DC-DC isolation output modules, where the output terminals of the overvoltage/undervoltage protection circuit are connected in parallel, the DC output terminals led out by the first, second, and third DC-DC isolation output modules are dedicated power output terminals, the DC output terminal led out by the fourth DC-DC isolation output module is a temperature control power output terminal, and the DC output terminal led out by the fifth DC-DC isolation output module is a working power output terminal.
The direct current output ends led out from the DC-DC isolated output modules respectively comprise positive and negative leads, and the on-off relays are respectively arranged on the positive and negative leads.
The special power output end comprises an A-way output end, a B-way output end and a C-way output end, the models of a first DC-DC isolation output module, a second DC-DC isolation output module and a third DC-DC isolation output module which are connected with the special power output end are HFBS1000-300S36BNCT, in the mode of the embodiment, only the positive lead wire and the negative lead wire which are connected with the A-way output end are provided with on-off relays, and the positive lead wire and the negative lead wire which are connected with the B-way output end and the C-way output end are provided with on-off relays, so that the bipolar on-off of the B-way power supply and the C-way power supply is realized.
Concrete indexes of the A path output end are as follows: output voltage range: 27V to 35V, output current: steady state 25A, transient 35A.
Concrete indexes of the B path output end are as follows: output voltage range: 27V to 35V, output current: steady state 3A, transient 8A.
Concrete indexes of the output end of the C path are as follows: output voltage range: 27V to 35V, output current: steady state 3A, transient state 8A.
The special power supply output end is used as a main output end of the power supply control extension for supplying power to the shipborne system equipment, and the power supply index of the special power supply output end meets the requirement of running of most equipment of the shipborne system.
The model of a fourth DC-DC isolation output module connected with the output end of the temperature control power supply is SQBS100-300S48 BNCL; specific indexes of the output end of the temperature control power supply are as follows: output voltage: 220V, output current: steady state 2A, transient state 5A.
The model of a fifth DC-DC isolation output module connected with the output end of the working power supply is HPZ150S 30028-T; specific indexes of the output end of the working power supply are as follows: output voltage: stabilized voltage 28V, output power: 300W.
In the whole power supply control extension set, the working power supply output end is used for supplying power for each equipment state and auxiliary equipment of a ship-based system, and at least one working power supply output end is configured during actual configuration to achieve the perfect function of the power supply control extension set and save the cost at the same time; as shown in fig. 2, in the second group of power supply circuits, except that the working power supply output terminal and the fifth DC-DC isolation output module are optional, the structures of the other modules and the output terminals are the same as those of the first group of power supply circuits; and moreover, no on-off relay is additionally arranged on the positive and negative leads of the output end of the working power supply, and the fifth DC-DC isolation output module is not additionally provided with a manual adjusting knob and is not connected with a remote control end, and has the main function of continuously providing 28V direct-current voltage with stable voltage and sufficient power.
Finally, in the embodiment, the power supply control extension has two groups of power supply circuits which are independent from each other and have the same main function, the two groups of circuits are backup to each other and can be subjected to remote automatic control or field manual control, and favorable guarantee is provided for the power supply reliability of the carrier-based system equipment.
Example 3
On the basis of embodiment 2, as shown in fig. 1 and fig. 2, in the first group of power supply circuits, the a-path output terminal interface in the dedicated power supply output terminal is VA1, the B-path output terminal interface is VB1, the C-path output terminal interface is VC1, the interface of the temperature-controlled power supply output terminal is VT1, and the interface of the working power supply output terminal is VW 1.
In the second group of power supply circuits, the output end interface of the A path in the special power supply output end is VA2, the output end interface of the B path is VB2, the output end interface of the C path is VC2, the interface of the temperature control power supply output end is VT2, the interface of the working power supply output end is VW2, and the interface of the working power supply output end in the second group of power supply circuits is VW2 for selective matching.
The control signal output by the remote control end to the first group of power supply circuits comprises: a manual-automatic switching signal CTRL _ PA1 output to the first DC-DC isolation output module, a manual-automatic switching signal CTRL _ PB1 output to the second DC-DC isolation output module, a manual-automatic switching signal CTRL _ PC1 output to the third DC-DC isolation output module, a voltage range control signal output to the first, second and third DC-DC isolation output modules in an automatic state, and a voltage control signal CTRL _ PT1 output to the fourth DC-DC isolation output module; meanwhile, the remote control terminal also outputs four groups of signals of CTRL _ SA1, CTRL _ SB1, CTRL _ SC1 and CTRL _ ST1 for controlling the opening and closing of the four-way on-off relay.
The control signal output by the remote control end to the second group of power supply circuits has the same form as the control signal output by the first group of power supply circuits, but the specific signal state and the control requirement are different according to the power supply condition required by the actual carrier-based system.
In order to ensure the reliability of the power supply control circuit, in this embodiment, the power supply control circuit further includes a self-checking circuit, where the self-checking circuit includes a voltage acquisition module, and the voltage acquisition module is connected to the dc input terminal and the plurality of dc output terminals respectively, and is used to acquire the input voltage and the plurality of output voltages.
The specific model of the voltage acquisition module is TE6654, the voltage acquisition module monitors the input voltage value of the power supply control extension and the voltage values of all the output ends, including VA1, VB1, VC1, VT1, VW1, VA2, VB2, VC2, VT2 and the matched VW2, the normal working state of the power supply control extension is ensured by monitoring and acquiring the input and output voltages in real time, and personnel can be reminded or operation processing can be carried out in time when abnormality occurs.
Claims (10)
1. The carrier-based power supply control extension is characterized in that: the direct current power supply device comprises a plurality of groups of power supply circuits connected with a direct current input end, wherein each power supply circuit comprises an EMI filter circuit, an input over-voltage and under-voltage protection circuit and a plurality of DC-DC isolation output modules connected with the output end of the input over-voltage and under-voltage protection circuit in parallel, the positive and negative poles of the output ends of the plurality of DC-DC isolation output modules are equally divided and respectively led out to serve as a plurality of direct current output ends of the power supply circuit, an on-off relay is arranged between the output end of the DC-DC isolation output module and the direct current output end, and a manual adjusting knob is further connected onto the DC-DC isolation output module.
2. The shipboard power supply control extension of claim 1, wherein: the remote control end is connected with the on-off relay and used for controlling the on-off of the on-off relay, and the remote control end is also connected with the plurality of DC-DC isolation output modules and used for controlling and switching the manual or automatic operation state of each DC-DC isolation output module.
3. The shipboard power supply control extension of claim 1, wherein: the power supply circuits are divided into two groups.
4. The shipboard power supply control extension of claim 1, wherein: the input voltage range of the direct current input end is 240V-400V.
5. The shipboard power supply control extension of claim 1, wherein: in the power supply circuit, the number of the DC-DC isolation output modules connected in parallel with the output end of the input overvoltage and undervoltage protection circuit is five, wherein the DC output ends led out by the first DC-DC isolation output module, the second DC-DC isolation output module and the third DC-DC isolation output module are special power supply output ends, the DC output end led out by the fourth DC-DC isolation output module is a temperature control power supply output end, and the DC output end led out by the fifth DC-DC isolation output module is a working power supply output end.
6. The shipboard power supply control extension of claim 5, wherein: the special power supply output end comprises an A-path output end, a B-path output end and a C-path output end, and the model of the first, second and third DC-DC isolation output modules connected with the special power supply output end is HFBS1000-300S36 BNCT.
7. The shipboard power supply control extension of claim 5, wherein: the model of a fourth DC-DC isolation output module connected with the output end of the temperature control power supply is SQBS100-300S48 BNCL.
8. The shipboard power supply control extension set according to claim 5, wherein: and the model of a fifth DC-DC isolation output module connected with the output end of the working power supply is HPZ150S 30028-T.
9. The shipboard power supply control extension of claim 1, wherein: still include self-checking circuit, self-checking circuit includes voltage acquisition module, voltage acquisition module connects direct current input end and a plurality of direct current output end respectively for gather input voltage and a plurality of output voltage.
10. The shipboard power supply control extension of claim 9, wherein: the specific model of the voltage acquisition module is TE 6654.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220736673.3U CN217215968U (en) | 2022-03-31 | 2022-03-31 | Shipborne power supply control extension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220736673.3U CN217215968U (en) | 2022-03-31 | 2022-03-31 | Shipborne power supply control extension |
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| Publication Number | Publication Date |
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| CN217215968U true CN217215968U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220736673.3U Active CN217215968U (en) | 2022-03-31 | 2022-03-31 | Shipborne power supply control extension |
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