CN217216389U

CN217216389U - Two-dimensional active phased array radar power supply extension

Info

Publication number: CN217216389U
Application number: CN202220736799.0U
Authority: CN
Inventors: 姚青连; 张新; 郭金辉
Original assignee: Sichuan Hengye Electronics Co ltd
Current assignee: Sichuan Hengye Electronics Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-16
Anticipated expiration: 2032-03-31

Abstract

The utility model provides a two-dimensional active phased array radar power supply extension, belonging to the technical field of power supply of radar power supply extension; the external structure comprises a shell, an input interface and an output interface, an alternating current input end in the power supply circuit is connected with input ends of a plurality of PFC modules in parallel, an output end of each PFC module is respectively connected with an input end of one or a plurality of DC/DC modules in parallel, output ends of at least two DC/DC modules are led out in parallel to be used as a direct current output end, output ends of at least one other DC/DC module are led out independently to be used as other direct current output ends, and EMC filtering modules are arranged between the alternating current input end and the PFC module, between the PFC module and the DC/DC module, and between the DC/DC module and the direct current output end; the utility model discloses can just unify simultaneously and supply power to multiple power supply index, the management of being convenient for, and then improve radar system reliability.

Description

Two-dimensional active phased array radar power supply extension

Technical Field

The utility model belongs to the technical field of the radar power extension power supply, concretely relates to active phased array radar power extension of two dimension.

Background

The active phased array radar power supply extension is equipment for supplying stable and reliable power supply for a radar system after alternating current is converted into direct current; the active phased array radar comprises a plurality of core components, each core component has different requirements for power supply voltage and current, and the required power supply interface and form are complex, so that the active phased array radar is inconvenient to use and manage; simultaneously, because radar system's importance, must lead to radar system's reliability to reduce after power supply unit and the wiring are complicated, will not satisfy the in-service use demand, consequently urgent need a new radar power extension satisfies multiple power supply index and the succinct management of being convenient for of wiring simultaneously, has protect function for the reliability in the radar system in-service use improves.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of active phased array radar power extension of two dimension has solved the demand problem that multiple power supply index just unified simultaneously and supply power in the radar system, and the interface is succinct, and the management of being convenient for enables the radar system and obtains abundant stable power supply, and then has improved the reliability.

The utility model discloses a following technical scheme realizes the purpose:

a two-dimensional active phased array radar power supply extension machine comprises an external structure and a power supply circuit, wherein the external structure comprises a shell, an input interface and an output interface, the power supply circuit comprises an alternating current input end, a plurality of EMC filter modules, a plurality of PFC modules, a plurality of DC/DC modules and a plurality of direct current output ends, the alternating current input end is connected with the input ends of the PFC modules in parallel, the output end of each PFC module is respectively connected with the input ends of one or a plurality of DC/DC modules in series, the output ends of at least two DC/DC modules are led out in parallel to be used as a direct current output end, the output ends of at least one of the other DC/DC modules are separately led out to be used as the other direct current output ends, the EMC filter modules are arranged between the alternating current input end and the PFC modules, between the PFC modules and the DC/DC modules, and between the DC/DC modules, the input interface is connected with an alternating current input end and at least one direct current output end, and the output interface is connected with a plurality of direct current output ends.

Furthermore, the number of the input interface and the output interface is one, the input interface is arranged on the bottom surface of the shell, the input interface is connected with the servo extension interface through a cable, the output interface is arranged on the side surface of the shell, and the output interface is connected with the antenna feeder extension interface through a cable.

Specifically, the connector model of the input interface is 27496E15B19PA, and the connector model of the output interface is 27496E17B26 SB.

Specifically, 220V AC power is input to the AC input terminal, and 390V DC power is output from the output terminal of the PFC module after passing through the PFC module.

Further, a PFC module with an output end connected with one DC/DC module in series adopts 1600W PFC, the specific model is SFPF1600-UG390, a PFC module with an output end connected with a plurality of DC/DC modules in parallel adopts 750WPFC, and the specific model is SHPF750-UG 390.

Furthermore, the alternating current input end is connected in parallel with the input ends of the three PFC modules, wherein the output ends of two PFC modules are respectively connected in series with the input end of one DC/DC module, the output ends of the other PFC modules are connected in parallel with the input ends of the three DC/DC modules, the output ends of the two DC/DC modules respectively connected in series with the output ends of the two PFC modules are led out in parallel to be used as a first direct current output end, and the output ends of the other three DC/DC modules are respectively led out to be used as a second direct current output end, a third direct current output end and a fourth direct current output end.

Specifically, the output index of the first DC output end is 48V/31.25A, and the two DC/DC modules connected to the first DC output end are all-brick 1200W modules, specifically, NFBS1200-300S 48.

Specifically, the output index of the second direct current output end is 48V/5A, the DC/DC module connected to the second direct current output end is a half-brick type 250W module, specifically, the model is SHBS250-300S48, and the second direct current output end is connected to the input interface.

Specifically, the output index of the third direct current output end is 12V/3A, and the DC/DC module connected with the third direct current output end is an 1/4 brick-type 100W module, specifically, the model is SQBS100-300S 12.

Specifically, the output index of the fourth direct current output end is 5V/20A, and the DC/DC module connected with the fourth direct current output end is a half-brick type 250W module, specifically, the model is SHBS250-300S 05.

To sum up, owing to adopted this technical scheme, the beneficial effects of the utility model are as follows:

the utility model discloses radar power extension can realize that alternating current input converts the stable output of direct current to, and simultaneously and independent output multichannel has the direct current of different indexes to satisfy radar system's demand, this power extension only has an input interface and an output interface on external structure, and is whole succinct, and the management of being convenient for to connect a telephone switchboard can provide multiple output direct current simultaneously again; the modules of the circuit in the branch machine are reasonably matched, the performance index required by the power extension machine is met, the EMC filtering modules are used in a large amount, the requirements of the whole circuit and output current on ripples are met, and finally the power extension machine is high in functionality and reliability, so that the reliability of the radar system is improved.

Drawings

Fig. 1 is a power supply circuit diagram of the extension set of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

fig. 3 is the utility model discloses power extension and other extension are connected the sketch map.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, a power supply circuit of a two-dimensional active phased array radar power extension includes an ac input terminal, a plurality of EMC filter modules, a plurality of PFC modules, a plurality of DC/DC modules, and a plurality of DC output terminals, where the ac input terminal is connected in parallel with the input terminals of the plurality of PFC modules, the output terminal of each PFC module is connected in series with the input terminals of one or more DC/DC modules, respectively, the output terminals of at least two DC/DC modules are connected in parallel and then led out as a DC output terminal, the output terminals of at least one of the other DC/DC modules are led out separately as the other DC output terminals, and the EMC filter modules are disposed between the ac input terminal and the PFC modules, between the PFC modules and the DC/DC modules, and between the DC/DC modules and the DC output terminals.

As shown in fig. 2, an external structure of a two-dimensional active phased array radar power extension includes a housing, an input interface and an output interface, where the input interface is connected to the ac input terminal and at least one dc output terminal, and the output interface is connected to the plurality of dc output terminals.

External power supply is inputed to this power extension by input interface, carries out AC-DC transform and direct-DC transform back to it through supply circuit, becomes the direct current of the different indexs of multichannel and exports through direct current output to the realization is to radar system's power supply, according to the different index requirements of direct current output, the key module in this power extension: the PFC module and the DC/DC module are flexibly configured and formed in a mode of combining series connection and parallel connection; meanwhile, the EMC filtering modules are inserted between the main modules in series to meet the requirements of the whole circuit and output direct current on ripples, finally, the alternating current is stably converted into the direct current to be used by the radar system, and the reliability of the radar system is improved.

As shown in fig. 2, the number of the input interface and the output interface is one, the input interface is arranged on the bottom surface of the housing, the input interface is connected with the servo extension interface through a cable, the output interface is arranged on the side surface of the housing, and the output interface is connected with the antenna feeder extension interface through a cable.

The output interface is connected with the antenna feeder extension of the radar system and provides direct current power supply of each index for the antenna feeder extension as a main output object of the power supply extension; simultaneously, the interface height of this power extension is concentrated, adopts the mode that only sets up an input interface and an output interface, makes extension shell structure clean and tidy, can play better protection to inside module, and the kneck wiring is also clean and tidy simultaneously, the management of being convenient for.

Example 2

On the basis of embodiment 1, this embodiment specifically introduces circuit components, specific types, quantities, and indexes of the power extension, as shown in fig. 1, the ac input end is connected in parallel with input ends of three PFC modules, output ends of two PFC modules are respectively connected in series with an input end of one DC/DC module, output ends of the other PFC modules are connected in parallel with input ends of three DC/DC modules, output ends of two DC/DC modules respectively connected in series with output ends of two PFC modules are connected in parallel and then led out as a first DC output end, output ends of the other three DC/DC modules are respectively led out as a second DC output end, a third DC output end, and a fourth DC output end, and the four DC output ends under this arrangement can operate and output independently.

Therefore, the power supply extension has a total alternating current input end and four direct current output ends, wherein 220V alternating current is input into the alternating current input end, and the four direct current output ends respectively output four direct currents with different indexes.

After the alternating current is input, firstly, the PFC module converts the 220V alternating current into 390V direct current through the PFC module, in this embodiment, the PFC module whose output end is connected in series with one DC/DC module adopts 1600W PFC, the specific model is SFPF1600-UG390, and the PFC module whose output end is connected in parallel with a plurality of DC/DC modules adopts 750W PFC, the specific model is SHPF750-UG 390.

The model selection and connection relationship of the PFC module are performed according to the indexes of the four DC output terminals and the setting of the DC/DC module, and the following describes the indexes of the four DC output terminals and the model selection in detail. The output index of the first direct current output end is 48V/31.25A, and the two DC/DC modules connected with the first direct current output end are all-brick 1200W modules, and the specific model is NFBS1200-300S 48. The output index of the second direct current output end is 48V/5A, the DC/DC module connected with the second direct current output end is a half-brick type 250W module, the specific model is SHBS250-300S48, and the second direct current output end is connected with the input interface. The output index of the third direct current output end is 12V/3A, and the DC/DC module connected with the third direct current output end is an 1/4 brick-type 100W module, and the specific model is SQBS100-300S 12. The output index of the fourth direct current output end is 5V/20A, and the DC/DC module connected with the fourth direct current output end is a half-brick type 250W module, and the specific model is SHBS250-300S 05.

As shown in fig. 3, the slave unit sends 220V AC power to the input interface of the power supply unit through its connector 2749615B19SB, the connector model of the input interface is 27496E15B19PA, and the input interface of the power supply unit also returns 48V/5A dc power at the second dc output end to the slave unit for identification and confirmation; the first, third and fourth direct current output ends are connected with output interfaces of the power supply extension set, direct currents with different output indexes are transmitted to the antenna feeder extension set for use, the connector type of the output interface is 27496E17B26SB, and the connector type of the antenna feeder extension set is 27496E17B26 PA.

The input interface with model number 27496E15B19PA is defined as follows:

the output interface with model number 27496E17B26SB is defined as follows:

serial number	Definition of
		A	12V_GND
B	12V_VCC
		C	5V_VCC
D	5V_VCC
		E	5V_VCC
F	5V_VCC
		G	5V_GND
H	5V_GND
		J	5V_GND
K	5V_GND
		L	48V_1_VCC
M	48V_1_VCC
		N	48V_1_VCC
P	48V_1_VCC
		R	48V_1_VCC
S	48V_1_VCC
		T	48V_1_VCC
U	48V_1_GND
		V	48V_1_GND
W	48V_1_GND
		X	48V_1_GND
Y	48V_1_GND
		Z	48V_1_GND
a	48V_1_GND
		b	Work indication
c	Work indication-

Claims

1. The utility model provides a two-dimentional active phased array radar power extension which characterized in that: the power supply circuit comprises an alternating current input end, a plurality of EMC filter modules, a plurality of PFC modules, a plurality of DC/DC modules and a plurality of direct current output ends, wherein the alternating current input end is connected with the input ends of the PFC modules in parallel, the output end of each PFC module is respectively connected with the input ends of one or a plurality of DC/DC modules in series, the output ends of at least two DC/DC modules are led out in parallel to be used as a direct current output end, the output ends of at least one other DC/DC module are independently led out to be used as the other direct current output ends, the EMC filter modules are arranged between the alternating current input end and the PFC modules, between the PFC modules and the DC/DC modules, between the DC/DC modules and the direct current output ends, and the input interface is connected with the alternating current input end and at least one direct current output end, the output interface is connected with a plurality of direct current output ends.

2. The two-dimensional active phased array radar power extension of claim 1, wherein: the number of the input interfaces and the number of the output interfaces are one, the input interfaces are arranged on the bottom surface of the shell, the input interfaces are connected with the servo extension interfaces through cables, the output interfaces are arranged on the side surface of the shell, and the output interfaces are connected with the antenna feeder extension interfaces through cables.

3. A two-dimensional active phased array radar power extension as claimed in claim 2, wherein: the connector model of the input interface is 27496E15B19PA, and the connector model of the output interface is 27496E17B26 SB.

4. The two-dimensional active phased array radar power extension of claim 1, wherein: 220V AC alternating current is input to the alternating current input end, and 390V DC direct current is output from the output end of the PFC module after passing through the PFC module.

5. The two-dimensional active phased array radar power extension of claim 1, wherein: the PFC module with the output end connected with one DC/DC module in series adopts 1600W PFC with specific model of SFPF1600-UG390, and the PFC module with the output end connected with a plurality of DC/DC modules in parallel adopts 750W PFC with specific model of SHPF750-UG 390.

6. The two-dimensional active phased array radar power extension of claim 1, wherein: the alternating current input end is connected with the input ends of the three PFC modules in parallel, the output ends of the two PFC modules are respectively connected with the input end of one DC/DC module in series, the output ends of the other PFC modules are connected with the input ends of the three DC/DC modules in parallel, the output ends of the two DC/DC modules which are respectively connected with the output ends of the two PFC modules in series are led out in parallel to be used as a first direct current output end, and the output ends of the other three DC/DC modules are respectively led out to be used as a second direct current output end, a third direct current output end and a fourth direct current output end.

7. A two-dimensional active phased array radar power extension as claimed in claim 6, wherein: the output index of the first direct current output end is 48V/31.25A, and the two DC/DC modules connected with the first direct current output end are all-brick 1200W modules, and the specific model is NFBS1200-300S 48.

8. A two-dimensional active phased array radar power extension as claimed in claim 6, wherein: the output index of the second direct current output end is 48V/5A, the DC/DC module connected with the second direct current output end is a half-brick type 250W module, the specific model is SHBS250-300S48, and the second direct current output end is connected with the input interface.

9. The two-dimensional active phased array radar power extension of claim 6, wherein: the output index of the third direct current output end is 12V/3A, and the DC/DC module connected with the third direct current output end is an 1/4 brick-type 100W module, and the specific model is SQBS100-300S 12.

10. The two-dimensional active phased array radar power extension of claim 6, wherein: the output index of the fourth direct current output end is 5V/20A, and the DC/DC module connected with the fourth direct current output end is a half-brick type 250W module, and the specific model is SHBS250-300S 05.