CN213305281U

CN213305281U - Multi-output comprehensive protection power supply

Info

Publication number: CN213305281U
Application number: CN202022117496.4U
Authority: CN
Inventors: 陈新建
Original assignee: Wuhan Hong Cheng Technology Co ltd
Current assignee: Wuhan Hong Cheng Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-28
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a multi-path output comprehensive protection power supply, which comprises a shell, wherein a power module is arranged in the shell, the power module comprises an active power factor correction AC/DC module, a DC/DC module and a monitoring and communication module, and the number of the DC/DC modules is multiple; an external alternating current power supply is connected to the input end of an active power factor correction AC/DC module, the output end of the active power factor correction AC/DC module is respectively connected with the input ends of six DC/DC modules, and the output ends of the six DC/DC modules are mutually independent and output different voltages; the output end of the active power factor correction AC/DC module is connected with the power input end of the monitoring and communication module, and the data input end of the monitoring and communication module is respectively connected with the six DC/DC modules; and the monitoring and communication module is in communication connection with the upper computer through the Ethernet.

Description

Multi-output comprehensive protection power supply

Technical Field

The utility model relates to a synthesize protection power technical field, especially be applied to naval vessel standard and show the accuse equipment on, specifically be a protection power is synthesized to multiplexed output.

Background

In recent years, many new warship warships of naval force are in service, and in order to meet the naval force requirements under extreme conditions in the future, the power supply of shipborne equipment needs to be upgraded and updated, and the protection requirements of lightning surge, electromagnetic pulse, harmonic suppression and the like are met.

After retrieval: the chinese patent of publication No. CN209994282U discloses a power supply circuit of single input multichannel output, including the power supply circuit that can dismantle the cap and casing and the inside setting of casing of connection, the concave isolation chamber that forms four mutually independent in surface of casing, keep apart and cut apart through separating the shelves between the chamber, be provided with the trough that is used for arranging the electric wire on separating shelves and the casing edge, the utility model discloses use shielding shell partial shipment power supply circuit, four independent cavitys are cut apart into to shielding shell inside, put into the power supply circuit who accomplishes the encapsulation and can realize the shielding in different cavitys, reduce the whole output voltage ripple of power, this power supply circuit has AC input all the way, the characteristics of three routes DC output, becomes the direct current through rectifier current behind the AC power input, and the direct current divides for three independent DC/DC circuit again and changes to satisfy the demand of different voltages. This patent realizes the shielding through the inside independent cavity of shield shell, reduces output voltage ripple, can satisfy the different voltage of output, but does not satisfy the demand that the carrier-borne equipment power was to thunderbolt surge, electromagnetic pulse, harmonic suppression.

Chinese patent publication No. CN203243215U discloses a hot-pluggable multi-output communication power supply, which includes a lightning protection EMI filter circuit and a multi-control module, wherein a first output end of the lightning protection EMI filter circuit is sequentially connected with a rectifier module, a filter circuit and the multi-output module, a second output end of the lightning protection EMI filter circuit is connected with an AC/DC auxiliary power supply, a first output end of the AC/DC auxiliary power supply is connected with an input end of the multi-output module through the multi-control module, a second output end of the AC/DC auxiliary power supply is connected with a delay control circuit, and an output end of the delay control circuit is connected with an input end of the multi-control module. The problem that the existing power supply cannot provide special output voltage is solved, different power supply output ends can be selected according to different voltage requirements of communication equipment, and the requirements of the carrier-based equipment power supply on lightning surge, electromagnetic pulse and harmonic suppression are also not met.

Therefore, the utility model discloses to the requirement of shipborne equipment upgrading generation-changing, design a comprehensive protection power, have AC220V commercial power input power supply, multichannel direct current output, power module has lightning protection concurrently and hits comprehensive electromagnetic protection functions such as surge, harmonic suppression and filtering to satisfy the naval war demand under the extreme condition of future navy.

Disclosure of Invention

For overcoming the not enough of above-mentioned prior art, the utility model provides a protection power is synthesized to multiplexed output has multichannel direct current output, satisfies the demand that surge, electromagnetic pulse and harmonic suppression are hit in the lightning protection.

The utility model discloses a realize through following technical scheme:

a multi-output comprehensive protection power supply comprises a shell, wherein a power supply module is arranged in the shell, the power supply module comprises an active power factor correction (AC)/DC module, a plurality of DC/DC modules and a monitoring and communication module, and the number of the DC/DC modules is multiple; an external alternating current power supply is connected to the input end of an active power factor correction AC/DC module, the output end of the active power factor correction AC/DC module is respectively connected with the input ends of six DC/DC modules, and the output ends of the six DC/DC modules are mutually independent and output different voltages; the output end of the active power factor correction AC/DC module is connected with the power input end of the monitoring and communication module, and the data input end of the monitoring and communication module is respectively connected with the six DC/DC modules; and the monitoring and communication module is in communication connection with the upper computer through the Ethernet.

In the technical scheme, the external alternating current input is connected with the active power factor correction AC/DC module and then is output, so that the output and the input are isolated, and the output voltage of the DC28V is stabilized; the output voltage of the DC28V is used as the input bus voltage of six DC/DC modules, and different voltages are output after DC/DC conversion; the multi-path direct current output is realized, and the functions of lightning surge prevention, electromagnetic pulse prevention and harmonic suppression are realized. Meanwhile, according to the technical scheme, the monitoring and communication module is used for collecting information such as temperature, overvoltage, undervoltage, multi-stream and short-circuit alarms of the six DC/DC modules and transmitting the information to the upper computer through Ethernet communication, so that remote monitoring and on-off control of power supply equipment are realized.

As a further technical solution, the input voltage of the active power factor correction AC/DC module is AC220V, the output voltage is 28V, the rated power is 500W, the power factor PF value is greater than 0.98 in the rated operating state, and the active power factor correction harmonic distortion rate is less than 1.5. The active power factor correction AC/DC module has the functions of overvoltage and undervoltage input, overvoltage output, current limiting, short circuit and overheat protection, and can ensure the safe and reliable work of a power supply.

As a further technical solution, the power supply module includes an EMI filter circuit; the input end of the EMI filter circuit is connected with an external alternating current power supply, and the output end of the EMI filter circuit is connected with the input end of the active power factor correction AC/DC module. The EMI filter circuit is arranged to block high-frequency interference signals.

As a further technical scheme, the input voltage range of the DC/DC module is 18-36V; the output voltages include 24V, 12V and 5V. The six DC/DC modules are independently and commonly output, the DC28V voltage is converted into 24V voltage, 12V voltage and 5V voltage, the voltage is output after being filtered by a capacitor and an inductor, and the voltage is respectively supplied to systems such as a display control computer, a touch display, an intelligent sensor and a voice terminal.

As a further technical solution, the monitoring and communication module has an auxiliary power supply; the input end of the auxiliary power supply is connected with the output end of the active power factor correction AC/DC module, and the output end of the auxiliary power supply is connected with the input end of the monitoring and communication module. The auxiliary power supply is used for supplying power to the monitoring and communication circuit.

As a further technical scheme, the monitoring and communication module is a gigabit ethernet communication module. The integrated protection power supply has two paths of gigabit Ethernet communication and can transmit information such as temperature, overvoltage, undervoltage, overcurrent and short-circuit alarm to an upper computer.

As a further technical scheme, a data input end of the monitoring and communication module is provided with a voltage and current acquisition circuit, and the voltage and current acquisition circuit is respectively connected with six DC/DC modules.

As a further technical scheme, the monitoring and communication module is provided with a module switching circuit. By setting the remote control on-off function, the output can be controlled by two paths of gigabit Ethernet communication during remote control.

As a further technical proposal, a radiator is arranged in the shell, the power module is fastened on the radiator,

as a further technical scheme, one end of the shell is provided with a handle, and the other end opposite to the handle is provided with a plug-in connector.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the utility model discloses an output after the outside alternating current input inserts active power factor correction AC/DC module, output and input are kept apart and stabilize DC28V output voltage; the DC28V output voltage is used as the input bus voltage of six DC/DC modules, different voltages are output after DC/DC conversion, and multiple paths of different output voltages are mutually independent and commonly output, so that the multi-path direct current output is realized, and the functions of lightning surge prevention, electromagnetic pulse prevention and harmonic suppression are realized.

(2) The temperature sensing circuit can be additionally arranged to acquire temperature signals of the six DC/DC modules and transmit the temperature signals to the upper computer through two paths of gigabit Ethernet communication, so that remote monitoring is realized; in addition, by arranging the module switching circuit, the remote switching control of the power supply equipment can be realized through two paths of gigabit Ethernet communication.

The protective power supply is structurally designed to be small in size, light in weight and convenient to maintain; the power supply adopts a self-cooling heat dissipation mode, and compared with the heat dissipation mode using a fan, the noise source is removed, and the integral noise of the power supply meets the control requirement of 42 dB.

Drawings

Fig. 1 is a schematic block diagram of a multiple output integrated protection power supply according to an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of an active power factor correction AC/DC module according to an embodiment of the present invention;

fig. 3 is a circuit schematic diagram of a DC/DC module according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a housing of the multi-output integrated protection power supply according to an embodiment of the present invention;

fig. 5 is a side view of a housing of a multiple output integrated protection power supply according to an embodiment of the present invention.

Fig. 6 is a rear view of the housing of the multiple output integrated protection power supply according to an embodiment of the present invention.

In the figure: 1. a housing; 2. a handle; 3. a plug-in connector; 4. an indicator light; 5. a first reinforcing rib; 6. a third reinforcing rib; 7. and a second reinforcing rib.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

Referring to fig. 1, the embodiment provides a multiple-output integrated protection power supply, which includes a housing 1, a power module is disposed in the housing 1, the power module includes an active power factor correction AC/DC module, a DC/DC module, and a monitoring and communication module, and the number of the DC/DC modules is plural; an external alternating current power supply is connected to the input end of an active power factor correction AC/DC module, the output end of the active power factor correction AC/DC module is respectively connected with the input ends of six DC/DC modules, and the output ends of the six DC/DC modules are mutually independent and output different voltages; the output end of the active power factor correction AC/DC module is connected with the power input end of the monitoring and communication module, and the data input end of the monitoring and communication module is respectively connected with the six DC/DC modules; and the monitoring and communication module is in communication connection with the upper computer through the Ethernet.

The power module comprises an EMI filter circuit; the input end of the EMI filter circuit is connected with an external alternating current power supply, and the output end of the EMI filter circuit is connected with the input end of the active power factor correction AC/DC module. The EMI filter circuit is arranged to block high-frequency interference signals.

The monitoring and communication module is provided with an auxiliary power supply; the input end of the auxiliary power supply is connected with the output end of the active power factor correction AC/DC module, and the output end of the auxiliary power supply is connected with the input end of the monitoring and communication module. The auxiliary power supply is used for supplying power to the monitoring and communication circuit. The monitoring and communication module is a gigabit Ethernet communication module. The integrated protection power supply has two paths of gigabit Ethernet communication and can transmit information such as temperature, overvoltage, undervoltage, overcurrent and short-circuit alarm to an upper computer.

And the data input end of the monitoring and communication module is provided with a voltage and current acquisition circuit, and the voltage and current acquisition circuit is respectively connected with six DC/DC modules.

The monitoring and communication module is provided with a module switching circuit. By setting the remote control on-off function, the output can be controlled by two paths of gigabit Ethernet communication during remote control.

The input voltage of the active power factor correction AC/DC module is AC220V, the output voltage is 28V, the rated power is 500W, the power factor PF value is greater than 0.98 under the rated working state, and the harmonic distortion rate of the active power factor correction is less than 1.5. The active power factor correction AC/DC module has the functions of overvoltage and undervoltage input, overvoltage output, current limiting, short circuit and overheat protection, and can ensure the safe and reliable work of a power supply. The circuit schematic of the active power factor correction AC/DC module is shown in fig. 2.

The input voltage range of the DC/DC module is 18-36V; the output voltages include 24V, 12V and 5V. The six DC/DC modules are independently and commonly output, the DC28V voltage is converted into 24V voltage, 12V voltage and 5V voltage, the voltage is output after being filtered by a capacitor and an inductor, and the voltage is respectively supplied to systems such as a display control computer, a touch display, an intelligent sensor and a voice terminal. The circuit schematic diagram of the DC/DC module is shown in FIG. 3, wherein the switching power supply chip adopts LS50-24 series chips.

Example 2

Referring to fig. 4 to 6, in the embodiment, a handle 2 is disposed at one end of a housing 1 of the power supply, so as to facilitate carrying of the power supply device. The surface of the same end of the shell 1 as the handle 2 is provided with a plurality of indicator lamps 4 for indicating the working state of the power supply. The other end of the shell 1 opposite to the handle 2 is provided with a plurality of plug-in connectors 3.

The top and the bottom of the shell 1 are provided with first reinforcing ribs 5 for improving the bearing strength of the shell.

The opposite two side faces of the shell 1 are provided with convection radiating surfaces, the outer sides of the convection radiating surfaces are provided with a plurality of second reinforcing ribs 7 which are uniformly distributed, and the second reinforcing ribs 7 which are uniformly distributed protrude outwards and are obliquely arranged. And a third reinforcing rib 6 is arranged above the convection heat dissipation surface.

The external dimensions of the power supply are 260mm x 130mm x 88mm (depth x width x height), the constructional tolerances are performed according to the specifications of GB/T1804-2000 "tolerance of linear and angular dimensions without tolerance noted in general", tolerance class: and V. During the structure design, the maintenance and repair work of the power management assembly is fully considered.

The total weight of the power management component is not more than 4 kg.

A radiator is arranged in the shell 1 of the power supply, and the power supply module is fastened on the radiator. The module radiating mode adopts self-cooling, and the power module that generates heat is fastened on the radiator, and because the mode of self-cooling radiation is adopted, there is no noise source without using fan to radiate heat, so the noise of module completely meets the control requirement of 42 dB.

The heat dissipation design of the power supply is to fully ensure the heat convection, conduction and radiation on the premise of ensuring that the equipment bears various external environments and mechanical stress, and to maximally conduct heat generated by the equipment. The heat of the power supply is concentrated on the DC/DC power conversion circuit, and the circuit adopts external air cooling on the premise of enough heat dissipation area to quickly take away the heat on the radiator so as to ensure the heat dissipation requirement and stable work of the whole power supply.

Because the power overheating can influence the performance, in order to guarantee the stable and reliable work under the full load condition, the power consumption should be reduced firstly, the power efficiency is improved, the maximum working efficiency of the power reaches more than 92%, secondly, the power adopts self-cooling, the heat radiation area is properly increased, the heat radiation area is increased, and the heat radiation effect of the power is better.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A multi-output comprehensive protection power supply comprises a shell, wherein a power supply module is arranged in the shell, and the multi-output comprehensive protection power supply is characterized in that the power supply module comprises an active power factor correction (AC)/DC module, a DC/DC module and a monitoring and communication module, and a plurality of DC/DC modules are arranged; an external alternating current power supply is connected to the input end of an active power factor correction AC/DC module, the output end of the active power factor correction AC/DC module is respectively connected with the input ends of six DC/DC modules, and the output ends of the six DC/DC modules are mutually independent and output different voltages; the output end of the active power factor correction AC/DC module is connected with the power input end of the monitoring and communication module, and the data input end of the monitoring and communication module is respectively connected with the six DC/DC modules; and the monitoring and communication module is in communication connection with the upper computer through the Ethernet.

2. The multi-output comprehensive protection power supply of claim 1, wherein the input voltage of the active power factor correction AC/DC module is AC220V, the output voltage is 28V, the rated power is 500W, the power factor PF value is greater than 0.98 in the rated working state, and the active power factor correction harmonic distortion rate is less than 1.5.

3. The multi-output integrated protection power supply of claim 2, wherein the power supply module comprises an EMI filter circuit; the input end of the EMI filter circuit is connected with an external alternating current power supply, and the output end of the EMI filter circuit is connected with the input end of the active power factor correction AC/DC module.

4. The multi-output comprehensive protection power supply according to claim 1, wherein the input voltage range of the DC/DC module is 18-36V; the output voltages include 24V, 12V and 5V.

5. The multi-output integrated protection power supply of claim 1, wherein the monitoring and communication module has an auxiliary power supply; the input end of the auxiliary power supply is connected with the output end of the active power factor correction AC/DC module, and the output end of the auxiliary power supply is connected with the input end of the monitoring and communication module.

6. The multi-output integrated protection power supply of claim 1, wherein the monitoring and communication module is a gigabit ethernet communication module.

7. The multi-output comprehensive protection power supply according to claim 1, wherein a data input end of the monitoring and communication module is provided with a voltage and current acquisition circuit, and the voltage and current acquisition circuit is respectively connected with six DC/DC modules.

8. The multi-output integrated protection power supply of claim 1, wherein the monitoring and communication module is provided with a module switching circuit.

9. The multi-output comprehensive protection power supply of claim 1, wherein a heat sink is disposed in the housing, and the power supply module is fastened to the heat sink.

10. The multi-output comprehensive protection power supply according to claim 1, wherein a handle is provided at one end of the housing, and a plug is provided at the other end opposite to the handle.