CN213069165U - Ku waveband TR subassembly based on radar is listened to target - Google Patents
Ku waveband TR subassembly based on radar is listened to target Download PDFInfo
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- CN213069165U CN213069165U CN201922463031.1U CN201922463031U CN213069165U CN 213069165 U CN213069165 U CN 213069165U CN 201922463031 U CN201922463031 U CN 201922463031U CN 213069165 U CN213069165 U CN 213069165U
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Abstract
The utility model discloses a Ku waveband TR component based on a target detection radar, which comprises an internal circuit and an external box body, wherein the internal circuit comprises a circuit board and an interface, and the interface is connected with the circuit board; the external box body comprises a shell and a bottom plate, the bottom plate is arranged in the inner cavity of the shell, and the circuit board is arranged in the inner cavity of the shell; the circuit part in the utility model works in Ku wave band, realizes the transmission phase shift control, the receiving phase shift control and the receiving attenuation control, and has the characteristic of high phase shift attenuation control precision; and the shell is movably clamped with the bottom plate, so that the assembly, replacement and maintenance are convenient.
Description
Technical Field
The utility model relates to a phased array technical field especially relates to a Ku waveband TR subassembly based on radar is listened to target.
Background
The frequency of the Ku wave band is protected by international related laws, the power of a single transmitter of a Ku wave band satellite is generally higher, the single transmitter is covered by a forming wave beam mostly, the EIRP of the satellite is higher, and the efficiency of a Ku wave band receiving antenna is higher than that of a C wave band receiving antenna, so the caliber of the antenna for receiving Ku wave band satellite programs is far smaller than that of the C wave band, the receiving cost can be effectively reduced, the individual receiving is convenient, most Ku wave band products in China are introduced abroad, the investment is huge, and a Ku wave band TR component is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of the problem that the Ku wave band TR subassembly of above-mentioned current detection radar exists, provided the utility model discloses.
Therefore, the to-be-solved technical problem of the utility model is to provide a Ku wave band TR subassembly based on radar is listened to target, how its aim at solves the problem of rapid Assembly and maintenance in the Ku wave band TR subassembly.
In order to solve the technical problem, the utility model provides a following technical scheme: a Ku waveband TR component based on a target detection radar comprises an internal circuit and an external box body, wherein the internal circuit comprises a circuit board and an interface, and the interface is connected with the circuit board; the external box body comprises a shell and a bottom plate, wherein the bottom plate is arranged in an inner cavity of the shell, and the circuit board is arranged in the inner cavity of the shell.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: the circuit board is provided with a power divider, a TR channel and a power control circuit, the power divider is electrically connected with the TR channel in a bidirectional mode, and the power control circuit is connected with the TR channel in a unidirectional mode.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: the TR channel is provided with a path which comprises a transmitting branch, a receiving branch and a common branch, wherein one end of the transmitting branch and one end of the receiving branch are respectively and electrically connected with one end of the common branch in a bidirectional way, the other ends of the transmitting branch and the receiving branch are connected in parallel in a unidirectional way through a circulator, and the other end of the common branch is connected with the power divider.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: the power control circuit comprises interface control, phase-shift attenuation code allocation and TR transceiving switching drive.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: be provided with first mounting groove and second mounting groove in the casing, first mounting groove is located the inner chamber upper strata of casing, the second mounting groove is located the inner chamber lower floor of casing, and the two is separated through the baffle.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: the power divider and the TR channel are arranged in the first mounting groove; the power control circuit is arranged in the second mounting groove.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: connecting holes are formed in the side walls of the first mounting groove and the second mounting groove, and the interface is connected to the circuit board through the connecting holes.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: the two ends of the surface of the bottom plate are symmetrically provided with an insertion groove and a moving part, and the moving part is arranged on one side, away from the insertion groove, of the moving part.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: the movable part comprises a limiting spring and a movable limiting plate, one end of the limiting spring is fixed in a groove formed in the surface of the bottom plate, the other end of the limiting spring is fixed on the side wall of the movable limiting plate, the movable limiting plate moves on the surface of the bottom plate, and the end part of the movable limiting plate is located on a notch of the insertion groove.
As a preferred scheme of Ku wave band TR subassembly based on radar is listened to target, wherein: the two ends of the bottom of the shell are provided with plug-in connectors which are matched and plugged in the plug-in grooves and movably clamped with the moving part.
The utility model has the advantages that:
the circuit part in the utility model works in Ku wave band, realizes the transmission phase shift control, the receiving phase shift control and the receiving attenuation control, and has the characteristic of high phase shift attenuation control precision; and the shell is movably clamped with the bottom plate, so that the assembly, replacement and maintenance are convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is the utility model discloses Ku wave band TR subassembly's external structure schematic diagram based on radar is listened to target.
Fig. 2 is the utility model discloses a Ku wave band TR subassembly's circuit composition block diagram based on radar is listened to the target.
Fig. 3 is the utility model discloses a Ku wave band TR subassembly's circuit principle block diagram structural schematic based on radar is listened to the target.
Fig. 4 is the utility model discloses a face a sectional structure schematic diagram of Ku wave band TR subassembly based on radar is listened to target.
Fig. 5 is the utility model discloses a local B of Ku waveband TR subassembly enlarges the schematic diagram based on radar is listened to target.
Fig. 6 is the utility model discloses outside explosion structure sketch map of Ku wave band TR subassembly based on radar is listened to the target.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 and 4, for a first embodiment of the present invention, a Ku-band TR module based on a target detection radar is provided, the TR module includes an internal circuit and an external box, wherein the internal circuit 100 includes a circuit board 101 and an interface 102, and the interface 102 is connected to the circuit board 101; the external box 200 includes a housing 201 and a bottom plate 202, the bottom plate 202 is disposed in the inner cavity of the housing 201, and the circuit board 101 is disposed in the inner cavity of the housing 101.
The internal circuit 100 is composed of a circuit board 101 with an external interface 102, the circuit board 101 is provided with an upper circuit board and a lower circuit board which are respectively arranged on an upper layer part and a lower layer part in the shell 201, the circuit board 101 realizes the transmission phase shift control, the receiving phase shift control and the receiving attenuation control in a Ku wave band, and has the characteristic of high phase shift attenuation control precision; the low-noise amplification of the received signal is completed, the low-noise amplification has the characteristic of low noise, the power amplification of the transmitted signal is completed, and the increased transmitted power is output; the inside circuit board 101 that is used for installing of casing 201 has the guard action to circuit board 101, and bottom plate 202 is located the bottom of casing 201, links to each other with casing 201 assembly for the connection of whole subassembly is fixed to and be convenient for the replacement maintenance in later stage.
Example 2
Referring to fig. 2 and 3, a second embodiment of the present invention, which is different from the first embodiment, is: the circuit board 101 is provided with a power divider 101a, a TR channel 101b and a power control circuit 101c, wherein the power divider 101a is electrically connected with the TR channel 101b in a bidirectional manner, and the power control circuit 101c is connected with the TR channel 101b in a unidirectional manner.
The TR channel 101b is provided with 4 paths, which comprise a transmitting branch 101b-1, a receiving branch 101b-2 and a common branch 101b-3, wherein one ends of the transmitting branch 101b-1 and the receiving branch 101b-2 are respectively and bidirectionally electrically connected with one end of the common branch 101b-3, the other ends are unidirectionally connected in parallel through a circulator, and the other end of the common branch 101b-3 is connected with the power divider 101 a.
The power control circuit 101c comprises interface control, phase-shift attenuation code allocation, and T/R transceiving switching drive.
Compared with embodiment 1, further, the power divider 101a disposed in the circuit board 101 is a 1-to-4 power divider, which realizes connection between a convergence port (receiving output and transmitting input) and 4 TR channels, and the circuit is implemented by using a two-stage Wilkinson power divider circuit. The TR channel is divided into a transmitting branch 101b-1, a receiving branch 101b-2 and a common circuit 101b-3, wherein the transmitting branch 101b-1 is used for realizing the amplification of transmitting power, the receiving branch 101b-2 is used for realizing the amplitude limiting and the low noise amplification of a received signal, and the common branch 101b-3 is used for receiving and transmitting numerical control phase shifting, numerical control attenuation, receiving and transmitting switching and microstrip waveguide conversion; the power supply control circuit 101c mainly distributes a control signal and a serial code. The whole power supply design is divided into one part. One part is common power distribution and control signal conversion, and the other part is power supply and control aiming at each T/R channel.
The design scheme of the component circuit is that a transmitting input signal is output from a circulator after passing through a 1-to-4 power divider, numerical control phase shifting, numerical control attenuation, a transmitting-receiving switch and two-stage power amplification. The received signal is output from the collecting port through the circulator, the amplitude limiter, the two-stage low-noise amplifier, the receiving and transmitting switch, the numerical control attenuation, the numerical control phase shift and the power divider. The schematic block diagram is combined with the attached drawing.
The rest of the structure is the same as that of embodiment 1.
Example 3
Referring to fig. 1, 4, 5 and 6, a third embodiment of the present invention, which is different from the second embodiment, is: a first mounting groove 201a and a second mounting groove 201b are arranged in the shell 201, the first mounting groove 201a is located on the upper layer of the inner cavity of the shell 201, the second mounting groove 201b is located on the lower layer of the inner cavity of the shell 201, and the first mounting groove 201a and the second mounting groove are separated by a partition plate.
The power divider 101a and the TR channel 101b are arranged in the first mounting groove 201 a; the power control circuit 101c is disposed in the second mounting groove 201 b.
The side walls of the first and second mounting grooves 201a and 201b are provided with connecting holes, and the interface 102 is connected to the circuit board 101 through the connecting holes.
The two ends of the surface of the bottom plate 202 are symmetrically provided with an insertion groove 202a and a movable member 202b, and the movable member 202b is disposed on one side of the insertion groove 202a away from each other.
The movable member 202b includes a limiting spring 202b-1 and a movable limiting plate 202b-2, one end of the limiting spring 202b-1 is fixed in a groove formed on the surface of the bottom plate 202, the other end is fixed on the sidewall of the movable limiting plate 202b-2, the movable limiting plate 202b-2 is movable on the surface of the bottom plate 202, and the end of the movable limiting plate is located on the notch of the insertion groove 202 a.
Two ends of the bottom of the housing 201 are provided with plug connectors 201c, and the plug connectors 201c are inserted into the insertion grooves 202a in a matching manner and movably clamped with the movable member 202 b.
Compared with the embodiment 2, further, the housing 201 is divided into an upper layer and a lower layer, the middle part of the housing is separated by a partition 201c, a first installation groove 201a is formed above the partition and on the inner cavity side wall of the housing 201, a second installation groove 201b is formed below the partition and on the inner cavity side wall of the housing 201, the circuit board 101 and the copper material carrier are installed in the first installation groove 201a, namely, the radio frequency part in the TR component, the power control circuit 101c is installed in the second installation groove 201b, 4 independent emission ports matched with 4 TR channels are arranged in the first installation groove 201a, and a radio frequency is provided, the end part of each interface is located in the connection hole, located on the outer side wall of the housing 201de, and equipped with the interface 102;
further, the bottom plate 202 is connected with the housing 201 through an insertion groove 202a on the plate surface, and the distance length between the insertion grooves 202a symmetrically arranged at the two ends of the bottom plate 202 is equal to the length of the housing 201; the cross section of the plug 201c at the bottom of the two ends of the housing 201 is L-shaped with the short edge facing outward, and the moving part 202b is clamped at the L-shaped turning part of the plug 201c in a matching manner, as shown in the drawing, wherein a plurality of groups of limiting springs 202b-1 in the moving part 202b are arranged for improving the limiting clamping capability of the limiting springs 202 b-1; in detail, a connection groove is provided at one end of the bottom plate 202, which is far away from the insertion groove 202a, the limiting spring 202b-1 extends along the length direction of the bottom plate 202, one end is fixed in the connection groove, the other end is fixed on the sidewall of the movable limiting plate 202b-2, the movable limiting plate 202b-2 slides on the top of the connection groove, and in an initial state, the end of the movable limiting plate 202b-2 is located at the top of the notch of the insertion groove 202a for engaging and limiting the insertion connectors 201c at the two ends of the housing 201.
The rest of the structure is the same as that of embodiment 2.
In the installation process, the circuit board 101 printed with electronic components and electronic circuits is respectively installed in a first installation groove 201a and a second installation groove 201b, the interface 102 is connected to the edge of the circuit board 101, the circuit board extends through a connecting hole and then is arranged on the outer side wall of the shell 201, a plug 201c at the bottom of the installed shell 201 is inserted into a plug groove 202a on the surface of the bottom plate 202, the plug 201c pushes the limit movable plate 202b-2 to be far away from the bottom plate 202, when the plug 201c is completely inserted into the plug groove 202a, the movable limit plate 202b-2 is restored to the initial position under the action of the limit spring 202b-1, the end part of the movable limit plate is positioned at the wedge-shaped top of the plug 201c, so that the plug 201c is clamped in the plug groove 202a, the shell 201 is matched with the bottom plate 202, in the separation process, the plate body of the movable limit plate 202b-2 far away from the bottom plate 202, thereby realize the installation and the dismantlement of whole subassembly, be convenient for the assembly of product and the replacement and the maintenance of later stage part.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A Ku wave band TR component based on target detection radar is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
an internal circuit (100) comprising a circuit board (101) and an interface (102), the interface (102) being connected to the circuit board (101);
an outer box (200) comprising a housing (201) and a base plate (202), the base plate (202) being disposed in an inner cavity of the housing (201), and the circuit board (101) being disposed in the inner cavity of the housing (201).
2. The Ku-band TR element based on a target detection radar of claim 1, wherein: the circuit board (101) is provided with a power divider (101 a), a TR channel (101 b) and a power control circuit (101 c), the power divider (101 a) is electrically connected with the TR channel (101 b) in a bidirectional mode, and the power control circuit (101 c) is connected with the TR channel (101 b) in a unidirectional mode.
3. The Ku-band TR element based on a target detection radar of claim 2, wherein: the TR channel (101 b) is provided with 4 paths, the TR channel comprises a transmitting branch (101 b-1), a receiving branch (101 b-2) and a common branch (101 b-3), one ends of the transmitting branch (101 b-1) and the receiving branch (101 b-2) are respectively and electrically connected with one end of the common branch (101 b-3) in a bidirectional mode, the other ends of the transmitting branch and the receiving branch are connected in parallel in a unidirectional mode through a circulator, and the other end of the common branch (101 b-3) is connected with the power divider (101 a).
4. The Ku band TR element based on target detection radar of claim 3, wherein: the power supply control circuit (101 c) comprises interface control, phase-shift attenuation code allocation and T/R transceiving switching drive.
5. The Ku band TR assembly of any of claims 2 to 4, wherein: the improved structure is characterized in that a first mounting groove (201 a) and a second mounting groove (201 b) are formed in the shell (201), the first mounting groove (201 a) is located on the upper layer of an inner cavity of the shell (201), the second mounting groove (201 b) is located on the lower layer of the inner cavity of the shell (201), and the first mounting groove and the second mounting groove are separated by a partition plate.
6. The Ku-band TR element based on a target detection radar of claim 5, wherein: the power divider (101 a) and the TR channel (101 b) are arranged in the first mounting groove (201 a);
the power control circuit (101 c) is disposed in the second mounting groove (201 b).
7. The Ku-band TR element based on target detection radar of claim 6, wherein: connecting holes are formed in the side walls of the first mounting groove (201 a) and the second mounting groove (201 b), and the interface (102) is connected to the circuit board (101) through the connecting holes.
8. The Ku-band TR element based on a target detection radar of claim 7, wherein: plug-in connection grooves (202 a) and moving pieces (202 b) are symmetrically arranged at two ends of the plate surface of the bottom plate (202), and the moving pieces (202 b) are arranged on one sides, far away from each other, of the plug-in connection grooves (202 a).
9. The Ku-band TR element based on a target detection radar of claim 8, wherein: the movable piece (202 b) comprises a limiting spring (202 b-1) and a movable limiting plate (202 b-2), one end of the limiting spring (202 b-1) is fixed in a groove formed in the plate surface of the bottom plate (202), the other end of the limiting spring is fixed on the side wall of the movable limiting plate (202 b-2), the movable limiting plate (202 b-2) is movable on the plate surface of the bottom plate (202), and the end part of the movable limiting plate is located on a groove opening of the insertion groove (202 a).
10. The Ku-band TR element based on a target detection radar of claim 9, wherein: plug-in connectors (201 c) are arranged at two ends of the bottom of the shell (201), and the plug-in connectors (201 c) are inserted into the insertion grooves (202 a) in a matched mode and movably clamped with the movable pieces (202 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463031.1U CN213069165U (en) | 2019-12-31 | 2019-12-31 | Ku waveband TR subassembly based on radar is listened to target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463031.1U CN213069165U (en) | 2019-12-31 | 2019-12-31 | Ku waveband TR subassembly based on radar is listened to target |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213069165U true CN213069165U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922463031.1U Active CN213069165U (en) | 2019-12-31 | 2019-12-31 | Ku waveband TR subassembly based on radar is listened to target |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213069165U (en) |
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2019
- 2019-12-31 CN CN201922463031.1U patent/CN213069165U/en active Active
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