CN204333188U - A kind of E band duplexer and wireless telecommunications system - Google Patents
A kind of E band duplexer and wireless telecommunications system Download PDFInfo
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- CN204333188U CN204333188U CN201420763529.4U CN201420763529U CN204333188U CN 204333188 U CN204333188 U CN 204333188U CN 201420763529 U CN201420763529 U CN 201420763529U CN 204333188 U CN204333188 U CN 204333188U
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- band duplexer
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Abstract
The utility model discloses a kind of E band duplexer, comprise: independent metallic membrane, the first metallic cavity, the second metallic cavity and the secure component made in advance, wherein, described first metallic cavity and described second metallic cavity are positioned at the both sides of described metallic membrane, described first metallic cavity, described metallic membrane and described second metallic cavity are assembled into one, and described secure component is by fixing for the assembly of described first metallic cavity, described second metallic cavity and described metallic membrane tight lock.In addition, the invention also discloses a kind of wireless telecommunications system, comprise E band duplexer as described above.Each parts due to described E band duplexer are all independent making, difficulty of processing significantly reduces, make described E band duplexer and comprise the described wireless telecommunications system of described E band duplexer, without the need to debugging after machining, substantially reduce the production cycle, reduce cost, be beneficial to large-scale production.
Description
Technical field
The utility model relates to microwave technical field, particularly relates to a kind of E band duplexer and wireless telecommunications system.
Background technology
Duplexer, also known as antenna multicoupler, is more special two-way three end filters.Faint signal coupling should be come in by duplexer, is fed to antenna again gets on through larger transmitting power, and completes its function separately both requiring and do not influence each other.
The waveguide cavity of existing E band duplexer is processed by milling machine, with the result of 3 D electromagnetic field emulation for foundation, mills out wave-guide cavity wave, then carry out silver-plated to wave-guide cavity wave and its cover plate by NC machining center.Due to the restriction of machining accuracy, each resonant cavity all needs to adjust resonance frequency, and the coupling coefficient of key position needs tuning screw to debug equally, and this way considerably increases production cycle and the cost of product, is not suitable for large-scale production.
Utility model content
The purpose of this utility model is to provide a kind of E band duplexer and wireless telecommunications system, and metallic cavity structure is simple, without the need to debugging after described E band duplexer machines, substantially reduces the production cycle, reduces cost, be beneficial to large-scale production.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of E band duplexer, comprise: independent metallic membrane, the first metallic cavity, the second metallic cavity and the secure component made in advance, wherein, described first metallic cavity and described second metallic cavity are positioned at the both sides of described metallic membrane, described first metallic cavity, described metallic membrane and described second metallic cavity are assembled into one, and described secure component is by fixing for the assembly of described first metallic cavity, described second metallic cavity and described metallic membrane tight lock.
Preferably, described secure component is screw, described first metallic cavity has the first through hole, described second metallic cavity has the second through hole, and described metallic membrane is clamped between described first metallic cavity, described second metallic cavity by described first through hole and described second through hole by described screw.
Preferably, described metallic membrane is the metallic membrane through lithography.
Preferably, described metallic membrane is kovar alloy diaphragm.
Preferably, described metallic membrane is the metallic membrane of electroplate.
Preferably, the surface of described first metallic cavity and/or the surface of described second wire chamber are silver-plated surface.
In addition, the utility model embodiment still provides a kind of wireless telecommunications system, comprises the E band duplexer as described in above-mentioned any one.
Preferably, described wireless telecommunications system is specially radiophone.
The E band duplexer that the utility model embodiment provides and wireless telecommunications system, compared with prior art, have the following advantages:
The E band duplexer that the utility model embodiment provides, comprise: independent metallic membrane, the first metallic cavity, the second metallic cavity and the secure component made in advance, wherein, described first metallic cavity and described second metallic cavity are positioned at the both sides of described metallic membrane, described first metallic cavity, described metallic membrane and described second metallic cavity are assembled into one, and described secure component is by fixing for the assembly of described first metallic cavity, described second metallic cavity and described metallic membrane tight lock.Described E band duplexer is assembled by described first metallic cavity, described metallic membrane and described second metallic cavity.Because the first metallic cavity of both sides and described second metallic cavity are without labyrinth, low to requirement on machining accuracy, all difficulty of processing are all on described metallic membrane, as long as the machining accuracy of described metallic membrane reaches requirement.Due to described E band duplexer, without the need to carrying out the adjustment of frequency and the degree of coupling to it at the inside of described first metallic cavity and described second metallic cavity increase screw rod, thus remove debugging operation from, greatly provide production efficiency, reduce production cost.Meanwhile, there is not movable member in described E band duplexer, product has once been assembled, and reliability is high; Described first metallic cavity in described E band duplexer and the interior nothing punching of described second metallic cavity, can not produce the fifth wheels such as metal fragment, after product batch production, reliability is high.
In sum, the E band duplexer that known the utility model embodiment provides, with short production cycle, reliability is high, reduces production cost, is conducive to large-scale production.
Accompanying drawing explanation
The schematic diagram of the front view of a kind of embodiment of the E band duplexer that Fig. 1 provides for the utility model embodiment;
The schematic diagram of the vertical view of a kind of embodiment of the E band duplexer that Fig. 2 provides for the utility model embodiment;
The structural representation of the independent metallic membrane made in a kind of embodiment of the E band duplexer that Fig. 3 provides for the utility model embodiment;
The structural representation of independent the first metallic cavity made in a kind of embodiment of the E band duplexer that Fig. 4 provides for the utility model embodiment;
The structural representation of independent the second metallic cavity made in a kind of embodiment of the E band duplexer that Fig. 5 provides for the utility model embodiment.
Embodiment
Described in background technology part, the E band duplexer of prior art, owing to being integral manufacturing, add the restriction of machining accuracy, each resonant cavity all needs to adjust resonance frequency, the coupling coefficient of key position needs tuning screw to debug equally, and this way considerably increases production cycle and the cost of product, is not suitable for large-scale production
Based on this, embodiment of the present utility model provides a kind of E band duplexer, comprise: independent metallic membrane, the first metallic cavity, the second metallic cavity and the secure component made in advance, wherein, described first metallic cavity and described second metallic cavity are positioned at the both sides of described metallic membrane, described first metallic cavity, described metallic membrane and described second metallic cavity are assembled into one, and described secure component is by fixing for the assembly of described first metallic cavity, described second metallic cavity and described metallic membrane tight lock.
In addition, the utility model additionally provides a kind of wireless telecommunications system, comprises E band duplexer as described above.
In summary, the E band duplexer that the utility model embodiment provides, independently makes described metallic membrane, described first metallic cavity and described second metallic cavity respectively in advance.For described first metallic cavity and described second metallic cavity of same batch, as long as produce the described metallic membrane mated with described first metallic cavity and described second metallic cavity, described metallic membrane and described first metallic cavity and described second metallic cavity are assembled and can obtain described E band duplexer.Because described metallic membrane, described first metallic cavity and described second metallic cavity independently manufacture, it is high that the machining accuracy of resonant cavity compares resonant cavity made in one piece, without the need to introducing screw rod, its frequency and the degree of coupling are regulated, without the need to debugging after assembling, substantially reduce the production cycle of product, reduce cost, field large-scale production; Simply, be easy to batch micro operations, production cost is low, consistency good for described first metallic cavity in described E band duplexer and the structure of described second metallic cavity; There is not movable member in described E band duplexer, without the need to debugging, product has once been assembled, and reliability is high; Without punching in the waveguide cavity of described first metallic cavity and described second metallic cavity, can not there is the fifth wheels such as metal fragment, the reliability of product batch production is high.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public concrete enforcement.
Please refer to Fig. 1, Fig. 1 is the schematic diagram of the front view of a kind of embodiment of E band duplexer provided by the utility model, and Fig. 2 is the schematic diagram of the vertical view of a kind of embodiment of E band duplexer provided by the utility model.
In a kind of embodiment, E band duplexer described in the utility model, as depicted in figs. 1 and 2, comprise: the independent metallic membrane 11 as shown in Figure 3 made in advance, the first metallic cavity 12 as shown in Figure 4, the second metallic cavity 13 and secure component as shown in Figure 5, wherein, described first metallic cavity 12 and described second metallic cavity 13 are positioned at the both sides of described metallic membrane 11, described first metallic cavity 12, described metallic membrane 11 and described second metallic cavity 13 are assembled into one, described secure component is by described first metallic cavity 12, the fixing tight lock of assembly of described second metallic cavity 13 and described metallic membrane 11.
Preferably, described secure component is screw, described first metallic cavity 12 has the first through hole, described second metallic cavity 13 has the second through hole, and described metallic membrane 11 is clamped between described first metallic cavity 12, described second metallic cavity 13 by described first through hole and described second through hole by described screw.Because the thickness of described metallic membrane 11 is general all very thin, thickness is at micron order, described metallic membrane 11 is punched, with described secure component by described first metallic cavity 12, described second metallic cavity 13 and described metallic membrane 11 time, be easy to described metallic membrane 11 to damage, and then affect the performance of described E band duplexer.Therefore, generally all metallic membrane 11 is clamped between described first metallic cavity 12 and described second metallic cavity 13, and the position of the second through hole of the first through hole of described first metallic cavity 12 and described second metallic cavity 13, be all located at the position not affecting described E band duplexer and normally work.
It should be noted that, by a kind of concrete manifestation form that described screw is described secure component, the utility model can also use the described secure component of other form by fixing for the assembly of described first metallic cavity 12, described metallic membrane 11 and described second metallic cavity 13 tight lock, and the utility model is not specifically limited this.
On the basis of above-described embodiment, in an embodiment of the present utility model, described metallic membrane 11 is the metallic membrane through lithography.The method of lithography belongs to field of semiconductor manufacture, and its machining accuracy is apparently higher than the precision of general machining, and its working (machining) efficiency is also higher.When described metallic membrane 11 is the metallic membrane through lithography, because the performance of described E band duplexer has obvious lifting, can be very close with the precision of design.
It should be noted that, the concrete processing technology of the utility model to described metallic membrane is not specifically limited, as long as its machining accuracy meets the requirement of described E band duplexer.
On the basis of above-described embodiment, in an embodiment of the present utility model, described metallic membrane 11 is kovar alloy diaphragm.Kovar alloy has the coefficient of linear expansion close to Bohemian glass within the scope of 20 DEG C ~ 450 DEG C and corresponding Bohemian glass can carry out effective sealing-in coupling, higher Curie point and good cryo tissue stability, the oxide-film of kovar alloy is fine and close, easy welding and welding, there is good plasticity, machinable.Due to the part that described metallic membrane 11 is described E band duplexer, the main function of described E band duplexer is Received signal strength and sends signal, the heat produced is more, and described metallic membrane 11 is when being kovar alloy diaphragm, thermal coefficient of expansion is less, when high temperature, the expansion of described metallic membrane 11 is less, less to the performance impact of described E band duplexer.Simultaneously, when described metallic membrane 11 is kovar alloy diaphragm, within the scope of 20 DEG C ~ 450 DEG C, there is the coefficient of linear expansion close to Bohemian glass due to described kovar alloy and corresponding Bohemian glass can carry out effective sealing-in coupling, make the operating temperature range of described E band duplexer wider, adapt to rugged environment.
It should be noted that, this use is novel specifically uses being not specifically limited of what materials processing to described metallic membrane 11, can select suitable described metallic membrane 11 according to actual requirement.As described in the working temperature of E band duplexer be room temperature time, just need not select the kovar alloy diaphragm that price is high.
On the basis of above-described embodiment, in an embodiment of the present utility model, described metallic membrane 11 is the metallic membrane of electroplate.When described metallic membrane 11 is silver-plated, can effectively improve to receive or launch electromagnetic gain, can filter effect be strengthened, promote the performance of described E band duplexer.It should be noted that, the utility model to how processing described metallic membrane 11 is not specifically limited, as long as described metallic membrane 11 after treatment contributes to the performance improving described E band duplexer.
On the basis of above-described embodiment, in an embodiment of the present utility model, the surface of described first metallic cavity 12 and/or the surface of described second metallic cavity 13 are silver-plated surface.At the electroplate of the surface of described first metallic cavity 12 and/or described second metallic cavity 13, the electromagnetic gain to the electromagnetic wave received or transmitting of described first metallic cavity 12 and/or described second metallic cavity 13 can be significantly improved, make described first metallic cavity 12 and/or the electromagnetic absorptivity of described second metallic cavity 13 to the electromagnetic wave of described reception or described transmitting less, under identical input power, the electromagnetic absorption of described E band duplexer to the electromagnetic wave of described reception or described transmitting is less, make the heat-dissipating of described E band duplexer less, make the input power of described E band duplexer can be higher, effectively improve the performance of described E band duplexer.Meanwhile, due to described first metallic cavity 12 and/or described second metallic cavity 13, the electromagnetic gain to the electromagnetic wave received or transmitting improves, and under identical input power, the power output of described E band duplexer is higher; After receiving the electromagnetic wave signal of equal-wattage, the power amplified through described E band duplexer is more, and also, the described electromagnetic power of the reception that can differentiate is lower, significantly improves the performance of described E band duplexer.
It should be noted that, at the electroplate of the surface of described first metallic cavity 12 and/or described second metallic cavity 13, just promote the concrete mode of one of the gain of described first metallic cavity 12 and/or described second metallic cavity 13, the utility model can also use other mode to promote the gain of described first metallic cavity 12 and/or described second metallic cavity 13, and the utility model is not specifically limited this.
In addition, the utility model embodiment still provides a kind of wireless telecommunications system, comprises the E band duplexer as described in above-mentioned any one.
Preferably, described wireless telecommunications system is specially radiophone.It should be noted that, described radiophone is a special case of described Wireless Telecom Equipment, and the utility model is not specifically limited this, as long as employ described E band duplexer in described Wireless Telecom Equipment.
In sum, the E band duplexer that the utility model embodiment provides and wireless telecommunications system, independently make described metallic membrane, described first metallic cavity and described second metallic cavity respectively in advance.For described first metallic cavity and described second metallic cavity of same batch, as long as produce the described metallic membrane mated with described first metallic cavity and described second metallic cavity, more described metallic membrane and described first metallic cavity and described second metallic cavity have been assembled can obtain described E band duplexer.Described E band duplexer can realize the point-to-point communication of E wave band (71GHz-76GHz, 81GHz-86GHz) European standard standard.Because described metallic membrane, described first metallic cavity and described second metallic cavity independently manufacture, the machining accuracy that the machining accuracy of resonant cavity compares resonant cavity made in one piece is high, without the need to introducing screw rod, its frequency and the degree of coupling are regulated, without the need to debugging after assembling, substantially reduce the production cycle of product, reduce cost, field large-scale production; Simply, be easy to batch micro operations, production cost is low, consistency good for described first metallic cavity in described E band duplexer and the structure of described second metallic cavity; There is not movable member in described E band duplexer, without the need to debugging, product has once been assembled, and reliability is high; Without punching in the waveguide cavity of described first metallic cavity and described second metallic cavity, can not there is the fifth wheels such as metal fragment, the reliability of product batch production is high.Because described wireless telecommunications system comprises described E band duplexer, therefore, the reliability described in described wireless telecommunications system is also due for promotion mutually.
Above E band duplexer provided by the utility model and wireless telecommunications system are described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (8)
1. an E band duplexer, it is characterized in that, comprise: independent metallic membrane, the first metallic cavity, the second metallic cavity and the secure component made in advance, wherein, described first metallic cavity and described second metallic cavity are positioned at the both sides of described metallic membrane, described first metallic cavity, described metallic membrane and described second metallic cavity are assembled into one, and described secure component is by fixing for the assembly of described first metallic cavity, described second metallic cavity and described metallic membrane tight lock.
2. E band duplexer as claimed in claim 1, it is characterized in that, described secure component is screw, described first metallic cavity has the first through hole, described second metallic cavity has the second through hole, and described metallic membrane is clamped between described first metallic cavity, described second metallic cavity by described first through hole and described second through hole by described screw.
3. E band duplexer as claimed in claim 2, it is characterized in that, described metallic membrane is the metallic membrane through lithography.
4. E band duplexer as claimed in claim 2, it is characterized in that, described metallic membrane is kovar alloy diaphragm.
5. E band duplexer as claimed in claim 2, it is characterized in that, described metallic membrane is the metallic membrane of electroplate.
6. the E band duplexer as described in any one of claim 1-5, is characterized in that, the surface of described first metallic cavity and/or the surface of described second wire chamber are silver-plated surface.
7. a wireless telecommunications system, is characterized in that, comprises the E band duplexer as described in any one of claim 1-6.
8. wireless telecommunications system as claimed in claim 7, it is characterized in that, described wireless telecommunications system is specially radiophone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420763529.4U CN204333188U (en) | 2014-12-08 | 2014-12-08 | A kind of E band duplexer and wireless telecommunications system |
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| CN201420763529.4U CN204333188U (en) | 2014-12-08 | 2014-12-08 | A kind of E band duplexer and wireless telecommunications system |
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| CN204333188U true CN204333188U (en) | 2015-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514543A (en) * | 2015-12-22 | 2016-04-20 | 华南理工大学 | Metal cavity duplexer |
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2014
- 2014-12-08 CN CN201420763529.4U patent/CN204333188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514543A (en) * | 2015-12-22 | 2016-04-20 | 华南理工大学 | Metal cavity duplexer |
| CN105514543B (en) * | 2015-12-22 | 2018-02-23 | 华南理工大学 | A kind of wire chamber duplexer |
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