CN104409819A - End pressure type coaxial load - Google Patents
End pressure type coaxial load Download PDFInfo
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- CN104409819A CN104409819A CN201410749546.7A CN201410749546A CN104409819A CN 104409819 A CN104409819 A CN 104409819A CN 201410749546 A CN201410749546 A CN 201410749546A CN 104409819 A CN104409819 A CN 104409819A
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- outer conductor
- dielectric
- resistance
- coaxial load
- resistor
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Abstract
The invention discloses an end pressure type coaxial load. The end pressure type coaxial load comprises a cylindrical resistor, a compressed spring, an inner conductor, an insulating medium and an outer conductor which are coaxially arranged, as well as an end face shaft sleeve, wherein a compressed spring and a resistor hole are formed in the tail of the inner conductor; the cylindrical resistor is cylindrical; the two ends of the cylindrical resistor are sintered with silver resistors, and the other part of the cylindrical resistor is sintered with a thick-film resistor; the insulating medium is of a circle structure; the single side of the insulating medium is cut off through a seamless cutting technology, and impedance compensation rings are arranged on the both sides; the end face shaft sleeve is positioned at the top part of the outer conductor, used for positioning the insulating medium, the inner conductor and the cylindrical resistor, and meanwhile participates in transmission of electrical performance; cooling fins are arranged on the outer periphery of the outer conductor; a coaxial step type conical transmission cavity is defined inside the outer conductor. The end pressure type coaxial load disclosed by the invention is simple in structure, stable and reliable in properties, high in signal transmission efficiency, high in working frequency band, simple to assemble, easy to operate, and suitable for large batch production.
Description
Technical field
The present invention relates to a kind of side pressure formula coaxial load.
Background technology
At present, the mounting structure of screw-type is adopted for microwave pad, as shown in Figure 2, resistance 7 is installed in the hole of the afterbody of contact pin 8, large insulator 9 is respectively installed on contact pin 8 with pony insulator 10, again it is installed to together in cavity 101, uses spanner to be fixed to by shell 102 on the external screw thread of cavity 101; There are four large drawbacks in this kind of structure: one power is little, easily transships, and does not arrange radiated rib outside cavity 101, easily produces heat accumulation when resistance 7 uses, and cannot discharge in time, and long-time use causes product to strike sparks, burn out, scrap; Its two poor electrical performance, working frequency range are low, cavity 101 inside uses the structure of cylindrical hole, cause producing sudden change in signals transmission, increase reflectance value, cause standing-wave ratio bigger than normal, the efficiency of transmission of signal is extremely low, the structure of two exhausted son, increases the transmission range of signal at solid dielectric, because the transmission range of signal in insulator is longer, the principle that working frequency range is lower, causes the use frequency range of product very low; Its three poor stability, although contact pin 8 afterbody has perforate, but do not carry out slotting, shell nosing treatment, cause producing loose contact between resistance 7 and contact pin 8, contact pin 8 afterbody does not take the long-time use of any guarantee resistance 7 and cavity 101 still can the measure of good contact simultaneously, only rely on the thrust between large insulator 9 and contact pin 8, long-time applied at elevated temperature, must cause large insulator 9 to produce deformation, loses active force, thus make resistance 7 and cavity 101 cannot good contact, produce loose contact; Its four efficiency of assembling is low, and consistency is poor, the microwave pad of this kind of structure, after disposable assembling, due to loose contact, the bad phenomenon such as standing-wave ratio is bigger than normal, will carry out secondary debugging assembling, the structure that screw thread spins simultaneously cannot be mentioned in the same breath with the structure efficiency of compression joint type.
Summary of the invention
For overcoming the defect of prior art, the object of the present invention is to provide a kind of side pressure formula coaxial load, is that a kind of structure is simple, stable and reliable for performance, effectiveness is high, and working frequency range is high, assembling is simple, is easy to operation, and the side pressure being applicable to producing in enormous quantities is coaxial load.
Technical solution problem of the present invention adopts following technical scheme:
A kind of side pressure formula coaxial load, it comprises:
The column resistance of coaxial setting, stage clip, inner wire, dielectric and outer conductor, and end face axle sleeve;
Design feature of the present invention is also:
The afterbody of described inner wire is provided with resistance hole and compression spring hole, and the circumferencial direction in resistance hole is provided with four clamping slots, and column resistance can ensure that the contact between column resistance and inner wire is good after installing; Compression spring hole is for installing stage clip, and stage clip can continue permanently to exert pressure to column resistance, ensures that the contact between column resistance and outer conductor is good;
Described dielectric is loop configuration, and monolateral employing is seamless cutting technique cuts, and is two-sidedly provided with impedance-compensated ring, and inner wire is snapped in the endoporus of dielectric, and dielectric is installed in the endoporus of outer conductor simultaneously;
Described outer conductor excircle is provided with fin, and inside arranges coaxial step conical transmission chamber, after dielectric is installed to inside, uses forcing press to be crimped onto on the end face of outer conductor on end face axle sleeve, ensures the relatively stable of inner body.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Side pressure formula coaxial load of the present invention, is that outer conductor excircle is provided with fin, and the heat that when product uses, column resistance produces can be diffused in air by fin fast, the power-carrying of improving product; Outer conductor inside arranges coaxial step conical transmission chamber, realizes the gradual transition of Signal transmissions, reduces the reflectance value of signal, reduces product voltage standing wave ratio; The impedance-compensated ring of the two-sided setting of dielectric, the refraction that when effective reduction signal has air dielectric enter into dielectric and enter into air dielectric by dielectric again, interface occurs and reflection, the efficiency of transmission of promotion signal, the structure of single insulator simultaneously, shorten the transmission range of signal in dielectric, the use operating frequency of improving product, simultaneously single insulator structure, contribute to reducing assembly difficulty, promote efficiency of assembling; Stage clip with the setting of clamping slot, increase the contact performance between column resistance and outer conductor and inner wire, the contact resistance between reduction, the stability of improving product, ensures product Long-Time Service, extends the useful life of product; Side pressure formula structure, directly using forcing press directly to be crimped with outer conductor by end face axle sleeve is an entirety, avoid use spanner spin screw thread time surface damage that product external surfaces is caused; Good index and stability, the greatly disposable assembly qualified rate of improving product, reduce product rejection, improving product efficiency of assembling.
Accompanying drawing illustrates:
Fig. 1 is overall structure schematic diagram of the present invention; Fig. 2 is existing generally employing microwave pad screw-type structural representation.
Number in the figure: 1 column resistance, 2 stage clips, 3 inner wires, 4 dielectrics, 41 impedance-compensated rings, 5 outer conductors, 51 fin, 52 conical transmission chambeies, 6 end face axle sleeves, 7 resistance, 8 contact pins, 9 large insulators, 10 pony insulators, 101 cavitys, 102 shells
Below by way of embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment:
Embodiment: composition graphs 1, the side pressure formula coaxial load of the present embodiment, it comprises: it comprise realize product microwave power to thermal energy column resistance 1, realize product Long-Time Service after still can the stage clip 2 of good contact, inner wire 3, the dielectric 4 of playing a supporting role, realize the outer conductor 5 that product ground connection and heat mediate, and end face axle sleeve 6;
Shown in Fig. 1, be that outer conductor 5 excircle is provided with fin 51, the power-carrying of improving product; Outer conductor 5 inside arranges coaxial conical transmission chamber 52, realizes the gradual transition of Signal transmissions, reduces the reflectance value of signal, thus reduces product voltage standing wave ratio, realizes the high-efficiency transfer of signal; The impedance-compensated ring 41 of the two-sided setting of dielectric 4, the efficiency of transmission of promotion signal and operating frequency, the disposable assembly qualified rate of improving product; Stage clip 2 with the setting of clamping slot, increase the contact performance between column resistance 1 and outer conductor 5 and inner wire 3, ensure the work that product can be steady in a long-term, extend the useful life of product;
During use, first stage clip 2 is installed in the compression spring hole of inner wire afterbody, special tooling is used to be installed in the resistance hole of inner wire 3 afterbody by column resistance 1 crimping, the direction of dielectric 4 along seamless cutting is separated, inner wire 5 is snapped onto in dielectric 4 aerial, dielectric 4 is installed in the endoporus of outer conductor 5, uses forcing press to be crimped onto by end face axle sleeve 6 on the end face of outer conductor 5, a kind of assembling of side pressure formula coaxial load can be completed.
Claims (4)
1. a side pressure formula coaxial load, is characterized in that,
It comprises coaxial the column resistance (1), stage clip (2), inner wire (3), dielectric (4) and the outer conductor (5) that arrange, and end face axle sleeve (6).
2. a kind of side pressure formula coaxial load according to claim 1, it is characterized in that the afterbody of described inner wire (3) is provided with resistance hole and compression spring hole, the circumferencial direction in resistance hole is provided with four clamping slots carrying out shell nosing treatment, column resistance (1) can ensure that the contact between column resistance (1) and inner wire (3) is good after installing; Compression spring hole is for installing stage clip (2), and stage clip (2) can continue permanently to exert pressure to column resistance (1), ensures that the contact between column resistance (1) and outer conductor (5) is good.
3. a kind of side pressure formula coaxial load according to claim 1, it is characterized in that at described dielectric (4) be loop configuration, monolateral employing is seamless, and cutting technique cuts, two-sidedly be provided with impedance-compensated ring (41), inner wire (3) is snapped in the endoporus of dielectric (4), and dielectric (4) is installed in the endoporus of outer conductor (6) simultaneously.
4. a kind of side pressure formula coaxial load according to claim 1, it is characterized in that described outer conductor (5) excircle is provided with fin (51), inside arranges coaxial step conical transmission chamber (52), after dielectric (4) is installed to inside, use forcing press to be crimped onto on the end face of outer conductor (5) on end face axle sleeve (6), ensure the relatively stable of inner body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749546.7A CN104409819A (en) | 2014-12-10 | 2014-12-10 | End pressure type coaxial load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749546.7A CN104409819A (en) | 2014-12-10 | 2014-12-10 | End pressure type coaxial load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104409819A true CN104409819A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410749546.7A Pending CN104409819A (en) | 2014-12-10 | 2014-12-10 | End pressure type coaxial load |
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| CN (1) | CN104409819A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169639A (en) * | 2016-08-26 | 2016-11-30 | 斯必能通讯器材(上海)有限公司 | Low intermodulation power loads |
| CN106654489A (en) * | 2016-11-15 | 2017-05-10 | 中国电子科技集团公司第四十研究所 | Radio-frequency coaxial matching load |
| CN109167134A (en) * | 2018-08-30 | 2019-01-08 | 安徽禄讯电子科技有限公司 | A kind of ultra-wide band radio-frequency 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 |
| CN115084812A (en) * | 2022-06-26 | 2022-09-20 | 陕西华达科技股份有限公司 | Parallel resistance miniaturization welding type coaxial load structure |
| CN116826337A (en) * | 2023-08-28 | 2023-09-29 | 深圳海普瑞丽科技有限公司 | Network division calibration load and calibration piece for wireless communication network |
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| CN101170232A (en) * | 2007-12-07 | 2008-04-30 | 罗森伯格亚太电子有限公司 | A male connector of coaxial cable connector |
| US20110128660A1 (en) * | 2007-09-12 | 2011-06-02 | Kauffman George M | Protective device for a radio frequency transmission line |
| US20130330944A1 (en) * | 2012-06-07 | 2013-12-12 | Andrew Llc | Spring-loaded blind-mate electrical interconnect |
| CN103490200A (en) * | 2013-09-27 | 2014-01-01 | 苏州华旃航天电器有限公司 | Radio frequency coaxial electrical connector with stamping contact element |
| CN203377358U (en) * | 2013-08-08 | 2014-01-01 | 苏州华旃航天电器有限公司 | Coaxial load connector |
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2014
- 2014-12-10 CN CN201410749546.7A patent/CN104409819A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110128660A1 (en) * | 2007-09-12 | 2011-06-02 | Kauffman George M | Protective device for a radio frequency transmission line |
| CN101170232A (en) * | 2007-12-07 | 2008-04-30 | 罗森伯格亚太电子有限公司 | A male connector of coaxial cable connector |
| US20130330944A1 (en) * | 2012-06-07 | 2013-12-12 | Andrew Llc | Spring-loaded blind-mate electrical interconnect |
| CN203377358U (en) * | 2013-08-08 | 2014-01-01 | 苏州华旃航天电器有限公司 | Coaxial load connector |
| CN103490200A (en) * | 2013-09-27 | 2014-01-01 | 苏州华旃航天电器有限公司 | Radio frequency coaxial electrical connector with stamping contact element |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169639A (en) * | 2016-08-26 | 2016-11-30 | 斯必能通讯器材(上海)有限公司 | Low intermodulation power loads |
| CN106654489A (en) * | 2016-11-15 | 2017-05-10 | 中国电子科技集团公司第四十研究所 | Radio-frequency coaxial matching load |
| CN106654489B (en) * | 2016-11-15 | 2019-07-09 | 中国电子科技集团公司第四十一研究所 | A kind of radio frequency coaxial matching load |
| CN109167134A (en) * | 2018-08-30 | 2019-01-08 | 安徽禄讯电子科技有限公司 | A kind of ultra-wide band radio-frequency 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 |
| CN115084812A (en) * | 2022-06-26 | 2022-09-20 | 陕西华达科技股份有限公司 | Parallel resistance miniaturization welding type coaxial load structure |
| CN115084812B (en) * | 2022-06-26 | 2024-03-22 | 陕西华达科技股份有限公司 | Parallel resistor miniaturized welding type coaxial load structure |
| CN116826337A (en) * | 2023-08-28 | 2023-09-29 | 深圳海普瑞丽科技有限公司 | Network division calibration load and calibration piece for wireless communication network |
| CN116826337B (en) * | 2023-08-28 | 2023-11-10 | 深圳海普瑞丽科技有限公司 | Network division calibration load and calibration piece for wireless communication network |
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Application publication date: 20150311 |
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