CN206076469U - Blind-mate coaxial is loaded - Google Patents
Blind-mate coaxial is loaded Download PDFInfo
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- CN206076469U CN206076469U CN201621055635.2U CN201621055635U CN206076469U CN 206076469 U CN206076469 U CN 206076469U CN 201621055635 U CN201621055635 U CN 201621055635U CN 206076469 U CN206076469 U CN 206076469U
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- outer conductor
- inner wire
- resilient contact
- dead ring
- blind
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Abstract
The utility model discloses a kind of blind-mate coaxial load, including outer conductor, inner wire, dead ring, microwave resistance and resilient contact, isolated by dead ring between outer conductor and inner wire, inner wire and resilient contact are connected with microwave resistance two ends respectively, and resilient contact is connected with outer conductor；The outer conductor is hollow tubular structure, and aperture is ascending to be followed successively by interface connecting hole, dead ring installing hole and main pilot hole；Dead ring, inner wire, microwave resistance and resilient contact are installed on inside outer conductor successively, and the inner wire passes through dead ring centre bore and inner wire passes through the end face of dead ring one end without departing from the end face of the outer conductor of homonymy；The linkage interface of the outer conductor is on its circumference and is evenly equipped with least two grooves in axial direction；The external diameter of the resilient contact is closely connected with the main pilot hole of outer conductor.Beneficial effect：This utility model compact conformation, electrical property are good, and standing wave return loss performance is excellent, vibrationproof performance.
Description
Technical field
This utility model is related to a kind of electric power connector and microwave electron components and parts, and more particularly to a kind of altofrequency is extremely
The Quick blind-mate formula coaxial load of 65GHz, belongs to electronic communication field.
Background technology
Coaxial load is microwave passive single port device, is widely used in instrument and meter, industrial electronic, microwave equipment and microwave
In circuit.Its major function is all to absorb the microwave energy from transmission line, improves the matching performance of circuit, and coaxial load leads to
The terminal of circuit is connected on often, therefore also referred to as terminator or matched load.
Coaxial load is widely used in microwave telecommunication devices, plays an important role in microwave communication, and coaxial load leads to
Circuit terminal is commonly used in, for absorbing the microwave energy of transmission line, improves the matching performance of circuit, the matching performance of circuit will be straight
Connect the final performance for having influence on circuit.Coaxial load end face interface typically all adopts conventional radio frequency connector standard interface, its
Inside is the connection for carrying out between outer conductor and inner wire by a standard type cylindrical resistance device, and the impedance of usual resistor is
50 ohm, so can ensure that the impedance matching between coaxial line.Due to the presence of resistor so that the knot of coaxial load
Structure has certain particularity compared to the structure of coaxial connector, particularly between microwave resistor and inner wire, outer conductor
Connection and transient mode, it is larger to the performance impact of Circuit Matching.
At present, the resistor connected mode of coaxial load mainly has：Two ends are rigidly connected, single-ended be rigidly connected and single-ended bullet
Property attachment structure.Two ends rigid connection structure is for the two ends that resistor is connected with inner wire and outer conductor and is rigidly connected, and lacks
Point is that product is affected larger by the part accuracy of manufacture, and affects to stay easily by resistor crimp during Product Assembly
Ripple；Single-ended rigid connection structure is resistor one end and inner wire or outer conductor is to be rigidly connected, and the attachment structure generally makes
Used in the relatively low workplace of frequency；Single-ended elastic connection structure is inner wire and resistor is Elastic Contact, outer conductor and electricity
Resistance device is rigid contact, and which has the disadvantage that resistor contacts unreliable with outer conductor, holds and can't stand higher mechanical vibration.
Prior art has problems：The poor reliability that resistor is contacted with inner and outer conductor, standing wave unstable properties, makes
It is low with frequency.
The content of the invention
Goal of the invention：The purpose of this utility model is for the problem now with coaxial load, there is provided a kind of reliability height,
The good blind-mate coaxial load of standing wave stable performance and Circuit Matching performance.
Technical scheme：A kind of blind-mate coaxial load, including outer conductor, inner wire, dead ring, microwave resistance and elastic connecting
Contact element, is isolated by dead ring between outer conductor and inner wire, and inner wire and resilient contact are connected with microwave resistance two ends respectively
Connect, resilient contact is connected with outer conductor；The outer conductor is hollow tubular structure, and aperture is ascending to be followed successively by interface company
Connect hole, dead ring installing hole and main pilot hole；Dead ring, inner wire, microwave resistance and resilient contact are installed on outer leading successively
Internal portion, the inner wire passes through dead ring centre bore and inner wire is outer without departing from homonymy through the end face of dead ring one end
The end face of conductor；The linkage interface of the outer conductor is on its circumference and is evenly equipped with least two grooves in axial direction；It is described
The external diameter of resilient contact is closely connected with the main pilot hole of outer conductor, the connecting hole at microwave resistance insertion resilient contact center
And hollow type is defined without departing between the dead ring installing hole of its end face outside, the resilient contact and outer conductor
Chamber.
The outer conductor defines unified interface dimensions, and outer conductor with the relative position fixation of inner wire connection end
Groove at linkage interface causes linkage interface to have elasticity, realizes Quick blind-mate of the present utility model；While this utility model
Compact conformation, in the case where current electronic equipment tends to miniaturization, modular situation, there is provided a kind of physical dimension is relatively small
Coaxial load.
Preference, in order to by dimensional fits, the stability and inner wire that ensure electrical performance indexes realize that product reaches
The electrical property and mechanical strength of 65GHz, the dead ring open up cannelure towards linkage interface one end, and the other end is provided with boss；
The inner wire is provided with two steps, sequentially forms four end faces, and the inner wire is from linkage interface to microwave resistance connection end
Second end face is fitted completely with dead ring raised head face.
Preference, in order to ensure that inner wire is connected reliable with microwave resistance, the inner wire is connected side with microwave resistance
Jack is provided with, microwave resistance inserts jack using interference fit with jack.The technique that assembling process can adopt crimping and welding
To ensure that resistance is fitted close with jack.Microwave resistance quick smoothly insertion jack in installation process, described to insert for convenience
At least twice groove vertically is evenly equipped with the circumference of hole, is expanded on direction that can be radially opposite on jack circumference, it is effectively fast
Speed effectively clamps microwave resistance.
Preference, in order to ensure product outer conductor electrical connection seriality, the resilient contact inserts one end of outer conductor
Annular wall is provided with, at least twice groove vertically, the external diameter and outer conductor of the annular wall on the annular wall circumference, is evenly equipped with
Main pilot hole internal diameter interference fit.Axial groove on annular wall circumference causes resilient contact and the connection of outer conductor to connect for elasticity
Connect, both can guarantee that product outer conductor electrical connection seriality, the suction of electrical transmission can be realized again by the abundant cooperation with microwave resistance
Receive, the electrical property good and stable so as to ensure product.
Preference, in order to play electrical property compensating action, is provided with cone tank, the outer conductor on the outside of the resilient contact
Main pilot hole in be provided with tail-hood on the outside of resilient contact, be provided with asphalt mixtures modified by epoxy resin in cone tank between the tail-hood and resilient contact
Fat ring type filling.Electrical property compensation is served, product sealing, the epoxy resin ring type filling dielectric constant are reliable and stable, good fluidity,
Fully contain inside die cavity, form good electrical property and environmental performance.
Preference, in order to ensure electrical property seriality, the microwave resistance base body is ceramics, two ends and inner wire and elasticity
Contact junction is silver-plated.
Beneficial effect：This utility model compact conformation, electrical property are good, and standing wave return loss performance is excellent, vibrationproof performance；By with
The absorption of electrical transmission is realized in the abundant cooperation of microwave resistance, the electrical property good and stable so as to ensure product；By asphalt mixtures modified by epoxy resin
Fat carries out electrical property compensation, and design of part is fixed and Product environment sealing property is lifted, and realizes application in the presence of a harsh environment,
Strong adaptability, while also meeting product requirement on electric performance.
Description of the drawings
Fig. 1 is sectional arrangement drawing of the present utility model；
Fig. 2 is decomposition view of the present utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As illustrated, a kind of blind-mate coaxial load, including outer conductor 1, inner wire 2, dead ring 3, microwave resistance 4 and bullet
Property contact 5, is isolated by dead ring 3 between outer conductor 1 and inner wire 2, inner wire 2 and resilient contact 5 respectively with microwave
4 two ends of resistance connect, and resilient contact 5 is connected with outer conductor 1；It is characterized in that：The outer conductor 1 is tied for hollow tubular
Structure, aperture is ascending to be followed successively by interface connecting hole, dead ring installing hole and main pilot hole；Dead ring 3, inner wire 2, microwave electricity
Resistance 4 and resilient contact 5 are installed on inside outer conductor 1 successively, and the inner wire 2 passes through 3 centre bore of dead ring and inner wire 2
Through 3 one end of dead ring end face without departing from the outer conductor 1 of homonymy end face；The linkage interface of the outer conductor 1 is in its circle
Six grooves in axial direction are evenly equipped with week；The external diameter of the resilient contact 5 is closely connected with the main pilot hole of outer conductor 1
Connect, the connecting hole at the insertion of microwave resistance 4 resilient contact 5 center and without departing from its end face outside, the resilient contact 5 with
Hollow die cavity is defined between the dead ring installing hole of outer conductor 1, air transition compensation is formed.The outer conductor 1 is led with interior
The relative position of 2 connection end of body is fixed the groove defined at unified interface dimensions, and 1 linkage interface of outer conductor and causes connection
Interface has elasticity, realizes Quick blind-mate of the present utility model；While this utility model compact conformation, in current electronic equipment
Tend under miniaturization, modular situation, there is provided a kind of relatively small coaxial load of physical dimension.
In order to by dimensional fits, the stability and inner wire 2 that ensure electrical performance indexes realize that product reaches the electricity of 65GHz
Performance and mechanical strength, the dead ring 3 open up cannelure towards linkage interface one end, and the other end is provided with boss；Lead in described
Body 2 is provided with two steps, sequentially forms four end faces, and the inner wire 2 is from linkage interface to 4 connection end of microwave resistance second
End face is fitted completely with 3 raised head face of dead ring.
In order to ensure that inner wire 2 is connected reliability with microwave resistance 4, the inner wire 2 is connected side with microwave resistance 4 and is provided with
Jack, microwave resistance 4 insert jack using interference fit with jack.Assembling process can adopt crimping to protect with the technique welded
Card resistance is fitted close with jack.Microwave resistance 4 is quick in installation process for convenience smoothly inserts jack, the jack circle
Six roads groove vertically is evenly equipped with week, is expanded on direction that can be radially opposite on jack circumference, effectively fast and effeciently
Clamp microwave resistance 4.
In order to ensure the electrical connection seriality of product outer conductor 1, one end of the insertion outer conductor 1 of the resilient contact 5 is provided with
Annular wall, is evenly equipped with six roads groove vertically, external diameter and the 1 main pilot hole of outer conductor of the annular wall on the annular wall circumference
Internal diameter interference fit.It is elastic connection with the connection of outer conductor 1 that axial groove on annular wall circumference causes resilient contact 5, both
Product outer conductor electrical connection seriality is can guarantee that, the absorption of electrical transmission can be realized again by the abundant cooperation with microwave resistance, from
And ensure the good and stable electrical property of product.
In order to play electrical property compensating action, bellmouth, the master of the outer conductor 1 on the outside of the resilient contact 5, are provided with
Tail-hood 6 is provided with pilot hole on the outside of resilient contact 5, between the tail-hood 6 and resilient contact 5, in bellmouth, asphalt mixtures modified by epoxy resin is provided with
Fat ring type filling 7.Electrical property compensation is served, product sealing, the epoxy resin ring type filling dielectric constant are reliable and stable, mobility
It is good, fully contain inside die cavity, form good electrical property and environmental performance.
In order to ensure electrical property seriality, 4 matrix of microwave resistance is ceramics, two ends and inner wire 2 and Elastic Contact
5 junction of part is silver-plated.
Claims (7)
1. a kind of blind-mate coaxial load, including outer conductor（1）, inner wire（2）, dead ring（3）, microwave resistance（4）And elasticity
Contact（5）, outer conductor（1）With inner wire（2）Between pass through dead ring（3）Isolation, inner wire（2）And resilient contact（5）
Respectively with microwave resistance（4）Two ends connect, resilient contact（5）With outer conductor（1）Connection；It is characterized in that：The outer conductor
（1）For hollow tubular structure, aperture is ascending to be followed successively by interface connecting hole, dead ring installing hole and main pilot hole；Insulation
Ring（3）, inner wire（2）, microwave resistance（4）And resilient contact（5）Outer conductor is installed on successively（1）Inside, the inner wire
（2）Through dead ring（3）Centre bore and inner wire（2）Through dead ring（3）Outer conductor of the end face of one end without departing from homonymy
（1）End face；The outer conductor（1）Linkage interface be on its circumference and be evenly equipped with least two grooves in axial direction；Institute
State resilient contact（5）External diameter and outer conductor（1）Main pilot hole closely connect, microwave resistance（4）Insertion resilient contact
（5）The connecting hole at center and without departing from its end face outside, the resilient contact（5）With outer conductor（1）Dead ring install
Hollow die cavity is defined between hole.
2. blind-mate coaxial load according to claim 1, it is characterised in that：The dead ring（3）Towards linkage interface
One end opens up cannelure, and the other end is provided with boss；The inner wire（2）Two steps are provided with, four end faces are sequentially formed, it is described
Inner wire（2）From linkage interface to microwave resistance（4）The end face of connection end second and dead ring（3）Raised head face is fitted completely.
3. blind-mate coaxial load according to claim 1, it is characterised in that：The inner wire（2）With microwave resistance（4）
Connection side is provided with jack, microwave resistance（4）Jack is inserted using interference fit with jack.
4. blind-mate coaxial load according to claim 3, it is characterised in that：At least two are evenly equipped with the jack circumference
Road groove vertically.
5. blind-mate coaxial load according to claim 1, it is characterised in that：The resilient contact（5）Insertion is outer to be led
Body（1）One end be provided with annular wall, be evenly equipped with least twice groove vertically on the annular wall circumference, the annular wall it is outer
Footpath and outer conductor（1）Main pilot hole internal diameter interference fit.
6. blind-mate coaxial load according to claim 1 or 5, it is characterised in that：The resilient contact（5）Outside sets
There are bellmouth, the outer conductor（1）Main pilot hole in resilient contact（5）Outside is provided with tail-hood（6）, the tail-hood（6）With
Resilient contact（5）Between be provided with epoxy resin ring type filling in bellmouth（7）.
7. blind-mate coaxial load according to claim 1, it is characterised in that：The microwave resistance（4）Matrix is ceramics,
Two ends and inner wire（2）And resilient contact（5）Junction is silver-plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621055635.2U CN206076469U (en) | 2016-09-14 | 2016-09-14 | Blind-mate coaxial is loaded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621055635.2U CN206076469U (en) | 2016-09-14 | 2016-09-14 | Blind-mate coaxial is loaded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076469U true CN206076469U (en) | 2017-04-05 |
Family
ID=58438059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621055635.2U Active CN206076469U (en) | 2016-09-14 | 2016-09-14 | Blind-mate coaxial is loaded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206076469U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258500A (en) * | 2017-12-29 | 2018-07-06 | 西安艾力特电子实业有限公司 | A kind of small pitch match load of binary channels is co-axially mounted terminal and its installation method |
| CN108336461A (en) * | 2017-12-18 | 2018-07-27 | 苏州华旃航天电器有限公司 | A kind of radio frequency coaxial load |
| CN112038734A (en) * | 2020-08-28 | 2020-12-04 | 中电科仪器仪表有限公司 | 18GHz columnar load and single-pole twelve-throw coaxial switch |
-
2016
- 2016-09-14 CN CN201621055635.2U patent/CN206076469U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336461A (en) * | 2017-12-18 | 2018-07-27 | 苏州华旃航天电器有限公司 | A kind of radio frequency coaxial load |
| CN108258500A (en) * | 2017-12-29 | 2018-07-06 | 西安艾力特电子实业有限公司 | A kind of small pitch match load of binary channels is co-axially mounted terminal and its installation method |
| CN112038734A (en) * | 2020-08-28 | 2020-12-04 | 中电科仪器仪表有限公司 | 18GHz columnar load and single-pole twelve-throw coaxial switch |
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