CN105158525A - Test bench for microwave power divider - Google Patents
Test bench for microwave power divider Download PDFInfo
- Publication number
- CN105158525A CN105158525A CN201510524484.4A CN201510524484A CN105158525A CN 105158525 A CN105158525 A CN 105158525A CN 201510524484 A CN201510524484 A CN 201510524484A CN 105158525 A CN105158525 A CN 105158525A
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- cavity
- test bench
- power divider
- microwave power
- crank
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Abstract
The invention discloses a test bench for a microwave power divider. The test bench comprises a cavity, a circuit board, a positioning plate and a tabletting spring perch. The upper end surface of the cavity is provided with an opening and is fixedly connected with a base. Inside the cavity, a circuit board and a positioning plate are successively and fixedly arranged from bottom to top. The circuit board is connected with a monitoring device via a lead. The positioning plate is provided with a groove for placing a microwave power divider. The tabletting spring perch is fixedly connected with the cavity and is provided with an elastically restorable and expandable pressing rod. The pressing rod is right facing the groove. According to the technical scheme of the invention, the microwave power divider is placed in the groove of the positioning plate, and a to-be-measured device is pressed by the elastically restorable and expandable pressing rod. The bottom pin of the device is in contact with the circuit board. Under the buffering effect of the elastically restorable and expandable pressing rod, the device is prevented from being damaged. The test bench for the microwave power divider is safe and reliable in testing, and ensures the good contact of a microwave radio-frequency transformer with a soldering pad on the test bench. Meanwhile, the power attenuation is reduced. Moreover, the test bench is simple in structure, convenient to install and lossless to devices, thus being applicable to the testing operation on products in mass production.
Description
Technical field
The invention belongs to electronic component testing apparatus technical field, relate to a kind of microwave power divider test bench.
Background technology
Passive microwave power divider, its frequency of operation is at 650MHz, and owing to being microwave device, size is less, usually the method be directly welded in by p-wire on device is adopted during test, cannot complete welding when size is less and especially easily short circuit, this method of testing also exists serious deficiency, destroys the attribute of device itself in the process of welding, and waste time and energy, test process is easily made mistakes, and cannot complete the test of device easily at all, does not also have corresponding fixture to test at present.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of microwave power divider test bench, can realize not damaged, contact well, not short circuit, operation is reliable and test data accurate, to overcome problems of the prior art.
The technical scheme that the present invention takes is: a kind of microwave power divider test bench, comprise cavity, circuit board, location-plate and compressing tablet spring perch, the cavity of described cavity upper surface opening, be fixedly connected on base, in cavity, fixed placement has circuit board and location-plate successively from top to bottom, described circuit board is wired to monitoring equipment, described location-plate is provided with the groove placing divider, described compressing tablet spring perch is fixedly connected on cavity, be provided with and elasticity can recover flexible depression bar, described depression bar position is just to groove.
Preferably, foregoing circuit plate is connected to monitoring equipment by sub-miniature A connector, described sub-miniature A connector is fixedly connected on cavity, inner core is connected with circuit board, the joint provided by standard sub-miniature A connector and monitoring equipment can be matched very smoothly, ensure that the quality of microwave signal in test process, need not repeatedly convert test cable during test simultaneously, make the data of test reliably more stable, consistance is good.
Preferably, above-mentioned location-plate covers on circuit boards, circuit board, location-plate and cavity is fixed together by screw, can ensure to connect reliably, easy to loading and unloading.
Preferably, foregoing circuit plate upper surface is printed circuit, and lower surface applies one deck copper, can improve contact area, ensure that enough large contact area, improves the antijamming capability of test, makes test data more reliable and more stable.
Preferably, above-mentioned compressing tablet spring perch comprises compressing tablet, spring and depression bar, described depression bar is a stepped cylindrical threaded rod, be socketed with spring outward, upper end is provided with against nut, the large end of described lower spring end contact depression bar, upper end and compressing tablet left part are kept in touch, described compressing tablet is socketed on depression bar by through hole, upper surface can contact with against nut, right part is connected with double-crank mechanism, described double-crank mechanism is fixedly connected on cavity, the retractility recovered of depression bar is realized by spring, structure is simple, production cost is low, easy to loading and unloading, double-crank mechanism drives moving downward of compressing tablet, convenient to operation.
Preferably, above-mentioned double-crank mechanism comprises crank one, connecting rod, support and crank two, described crank one adopts the holes of compressing tablet right part to be formed, upper end connects connecting rod, lower end connects support, described connecting rod right-hand member is connected with crank two, and right part is provided with handle, make one with connecting rod, described crank two lower end is connected with support, described support adopts two panels steel disc symmetry to place, be fixedly connected on cavity, form hump structure with crank one, crank two junction part, this double-crank mechanism is easy to operate, compact conformation, convenient installation.
Preferably, above-mentioned handle afterbody is socketed with gum cover, by arranging gum cover, operates comfortable and safe.
Preferably, before and after in above-mentioned groove, side is provided with the deflation mechanism of fastening chip, described deflation mechanism adopts flexible elastic sheet to make, employing two panels is staggered relatively, and described elastic sheet is wavelike structure, and two ends are fixedly connected on groove two side, keep at a distance with sidewall, by structure simple elasticity thin slice pressing measured device, allow measured device navigate to assigned address, when avoiding depression bar to press, measured device position departs from.
Preferably, above-mentioned base adopts butterfly-like structure, and centre arranges the boss installing cavity, and side, front and back is provided with the counter sink of firm banking, and structure is simply light and handy, and be convenient to carrying, connective stability is good.
Preferably, above-mentioned location-plate is provided with directed through hole, is arranged on the upper left side of groove, the pin of measured device correctly can be put in groove by through hole.
Preferably, the through hole that above-mentioned compressing tablet spring assembly is threaded with cavity adopts strip through-hole, and described strip through-hole length direction, towards fore-and-aft direction, by strip through-hole, can adjust the optimum position that depression bar and groove align, fast easy to adjust.
Beneficial effect of the present invention: compared with prior art, when measured device is put in the groove of location-plate by the present invention, press clamp switch, the top of measured device elasticity can be recovered flexible depression bar lower end and is pushed down, microstrip line contacting tightly on bottom pin and circuit board, there is depression bar to cushion, device can be avoided firmly to press the damage caused, can test device after the microwave monitoring equipment of join dependency.This device adopts the mode that location-plate limits position, spring pressuring plate presses down to install microwave device, can realize loading and unloading fast and testing, testing efficiency and test result precision high, microwave power divider test bench adopts the groove having and tighten function, ensure that the electrical connection completely of measured piece and test bench, decrease the decay of power, physical construction is simple in addition, design and processing cost low; The position of sectional fixture can adjust front and back, fast practical and convenient, repeatable high; The performance parameter of monitoring equipment test microwave device, test error is less.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is schematic top plan view of the present invention;
Fig. 3 is front-view schematic diagram of the present invention;
Fig. 4 is the cross section view A-A of Fig. 3;
Fig. 5 is that schematic diagram is looked on the right side of the present invention;
Fig. 6 is groove elastic sheet displacement structure schematic diagram of the present invention;
Fig. 7 is structural representation when mentioning depression bar of the present invention.
In figure, 1-base, 2-SMA joint, 3-cavity, 4-circuit board, 5-location-plate, 6-compressing tablet spring perch, 7-groove, 8-directional hole, 9-double-crank mechanism, 10-depression bar, the large end of 11-depression bar, 12-steel disc base plate, 13-steel disc wall, 14-handle, 15-gum cover, 16-crank two, 17-elastic sheet, 18-support, 19-mount pad, 20-compressing tablet, 21-against nut, 22-spring, 23-crank one, 24-connecting rod.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, invention is described further.
As shown in Fig. 1 ~ Fig. 7, a kind of microwave power divider test bench, comprise cavity 3, circuit board 4, location-plate 5 and compressing tablet spring perch 6, the cavity of described cavity 3 upper surface opening, be fixedly connected on base 1, in cavity 3, fixed placement has circuit board 4 and location-plate 5 successively from top to bottom, described circuit board 4 is wired to monitoring equipment, described location-plate 5 is provided with the groove 7 placing divider, described compressing tablet spring perch 6 is fixedly connected on the mount pad 19 of cavity 3, be provided with and elasticity can recover flexible depression bar 10, described depression bar 10 position is just to groove 7, adopt plastic production, avoid damaging test component by pressure, described mount pad 19 is ledge structure, top bar for mounting base 18, get out of a predicament or an embarrassing situation for fixed cavity 3 to base 1.
Preferably, foregoing circuit plate 4 is connected to monitoring equipment by sub-miniature A connector 2, described sub-miniature A connector 2 is fixedly connected on cavity 3, inner core is connected with circuit board 4, the joint provided by standard sub-miniature A connector and monitoring equipment can be matched very smoothly, ensure that the quality of microwave signal in test process, need not repeatedly convert test cable during test simultaneously, make the data of test reliably more stable, consistance is good.
Preferably, above-mentioned location-plate 5 covers on the circuit card 1, circuit board 4, location-plate 5 is fixed together with cavity 3 by screw, can ensure to connect reliably, easy to loading and unloading.
Preferably, foregoing circuit plate 4 upper surface is printed circuit, and lower surface applies one deck copper, can improve contact area, ensure that enough large contact area, improves the antijamming capability of test, makes test data more reliable and more stable.
Preferably, above-mentioned compressing tablet spring perch 6 comprises compressing tablet 20, spring 22 and depression bar 10, described depression bar is a stepped cylindrical threaded rod, be socketed with spring 22 outward, upper end is provided with against nut 21, the large end 11 of described lower spring end contact depression bar, upper end and compressing tablet 20 left part are kept in touch, described compressing tablet 20 is socketed on depression bar 10 by through hole, upper surface can contact with against nut 21, right part is connected with double-crank mechanism 9, described double-crank mechanism 9 has auto-lock function, be fixedly connected on cavity 3, the retractility recovered of depression bar is realized by spring, structure is simple, production cost is low, easy to loading and unloading, double-crank mechanism drives moving downward of compressing tablet, convenient to operation.
Preferably, above-mentioned double-crank mechanism 9 comprises crank 1, connecting rod 24, support 18 and crank 2 16, described crank 1 adopts the holes of compressing tablet 20 right part to be formed, upper end connects connecting rod 24, lower end connects support 18, described connecting rod 24 right-hand member is connected with crank 2 16, and right part is provided with handle 14, one is made with connecting rod 14, described crank 2 16 lower end is connected with support 18, described support 18 adopts two panels steel disc symmetry to place, be fixedly connected on cavity 3, with crank 1, crank 2 16 junction part forms hump structure, described steel disc comprises steel disc base plate 12 and one end thereof and to be connected steel disc wall 13, described steel disc wall 13 is hump structure, two panels steel disc just forms the hump mechanism of junction, adopt handle and the close contact of support respectively and between crank one and crank two, self-locking is realized by friction after contact closely, this double-crank mechanism is easy to operate, compact conformation, convenient installation.
Preferably, above-mentioned handle 14 afterbody is socketed with gum cover 15, by arranging gum cover, operates comfortable and safe.
Preferably, before and after in above-mentioned groove 7, side is provided with the deflation mechanism of fastening chip, described deflation mechanism adopts flexible elastic sheet 17 to make, employing two panels is staggered relatively, and described elastic sheet 17 is wavelike structure, and two ends are fixedly connected on groove 7 two side, keep at a distance with sidewall, by structure simple elasticity thin slice pressing measured device, allow measured device navigate to assigned address, when avoiding depression bar to press, measured device position departs from.
Preferably, above-mentioned base 1 adopts butterfly-like structure, and centre arranges the boss installing cavity, and side, front and back is provided with the counter sink of firm banking, and structure is simply light and handy, and be convenient to carrying, connective stability is good.
Preferably, above-mentioned location-plate 5 is provided with directed through hole 8, is arranged on the upper left side of groove 7, the pin of measured device correctly can be put in groove by through hole.
Preferably, the through hole that above-mentioned compressing tablet spring assembly 6 is threaded with cavity 3 can adopt strip through-hole, described strip through-hole length direction is towards fore-and-aft direction, pass through strip through-hole, the optimum position, front and back that depression bar and groove align can be adjusted, fast easy to adjust, and be convenient to the location-plate upper groove change in location of different board design one-tenth, range of application is wider.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace; all should be encompassed within protection scope of the present invention, therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a microwave power divider test bench, it is characterized in that: comprise cavity (3), circuit board (4), location-plate (5) and compressing tablet spring perch (6), the cavity of described cavity (3) upper surface opening, be fixedly connected on base (1), in cavity (3), fixed placement has circuit board (4) and location-plate (5) successively from top to bottom, described circuit board (4) is wired to monitoring equipment, described location-plate (5) is provided with the groove (7) placing divider, described compressing tablet spring perch (6) is fixedly connected on cavity (3), be provided with and elasticity can recover flexible depression bar (10), described depression bar (10) position is just to groove (7).
2. a kind of microwave power divider test bench according to claim 1, it is characterized in that: described circuit board (4) is connected to monitoring equipment by sub-miniature A connector (2), described sub-miniature A connector (2) is fixedly connected on cavity (3), and inner core is connected with circuit board (4).
3. a kind of microwave power divider test bench according to claim 1, is characterized in that: described circuit board (4) upper surface is printed circuit, and lower surface applies one deck copper.
4. a kind of microwave power divider test bench according to claim 1, it is characterized in that: described compressing tablet spring perch (6) comprises compressing tablet (20), spring (22) and depression bar (10), described depression bar is a stepped cylindrical threaded rod, be socketed with spring (22) outward, upper end is provided with against nut (21), the large end of described lower spring end contact depression bar, upper end and compressing tablet (20) left part are kept in touch, described compressing tablet (20) is socketed on depression bar (10) by through hole, upper surface can contact with against nut (21), right part is connected with double-crank mechanism (9), described double-crank mechanism (9) is fixedly connected on cavity (3).
5. a kind of microwave power divider test bench according to claim 4, it is characterized in that: described double-crank mechanism (9) comprises crank one (23), connecting rod (24), support (18) and crank two (16), described crank one (23) adopts the holes of compressing tablet (20) right part to be formed, upper end connects connecting rod (24), lower end connects support (18), described connecting rod (24) right-hand member is connected with crank two (16), and handle (14) is provided with in right part, one is made with connecting rod (14), described crank two (16) lower end is connected with support (18), described support (18) adopts two panels steel disc symmetry to place, be fixedly connected on cavity (3), with crank one (23), crank two (16) junction part forms hump structure.
6. a kind of microwave power divider test bench according to claim 5, is characterized in that: described handle (14) afterbody is socketed with gum cover (15).
7. a kind of microwave power divider test bench according to claim 1, it is characterized in that: before and after in described groove (7), side is provided with the deflation mechanism of fastening chip, described deflation mechanism adopts flexible elastic sheet (17) to make, employing two panels is staggered relatively, described elastic sheet (17) is wavelike structure, two ends are fixedly connected on groove (7) two side, keep at a distance with sidewall.
8. a kind of microwave power divider test bench according to claim 2, is characterized in that: described base (1) adopts butterfly-like structure, and centre arranges the boss installing cavity, and side, front and back is provided with the counter sink of firm banking.
9. a kind of microwave power divider test bench according to claim 2, is characterized in that: described location-plate (5) is provided with directed through hole (8).
10. a kind of microwave power divider test bench according to claim 2, is characterized in that: the upper through hole be threaded with cavity (3) of described compressing tablet spring assembly (6) adopts strip through-hole, and described strip through-hole length direction is towards fore-and-aft direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524484.4A CN105158525A (en) | 2015-08-25 | 2015-08-25 | Test bench for microwave power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524484.4A CN105158525A (en) | 2015-08-25 | 2015-08-25 | Test bench for microwave power divider |
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| Publication Number | Publication Date |
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| CN105158525A true CN105158525A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510524484.4A Pending CN105158525A (en) | 2015-08-25 | 2015-08-25 | Test bench for microwave power divider |
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| CN (1) | CN105158525A (en) |
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| CN105699824A (en) * | 2016-03-31 | 2016-06-22 | 中国电子科技集团公司第十三研究所 | Microwave device testing device for bottom lead case package |
| CN106353540A (en) * | 2016-11-22 | 2017-01-25 | 贵州航天计量测试技术研究所 | Test fixture for low pass filter |
| TWI582430B (en) * | 2015-02-05 | 2017-05-11 | 李諾工業股份有限公司 | A test device |
| CN107367648A (en) * | 2017-06-23 | 2017-11-21 | 中国电子科技集团公司第十三研究所 | Microwave monolithic circuit immunity to interference test fixture |
| CN114910230A (en) * | 2022-05-06 | 2022-08-16 | 嘉兴市扬佳科技合伙企业(有限合伙) | Use durability testing device of semiconductor device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114910230A (en) * | 2022-05-06 | 2022-08-16 | 嘉兴市扬佳科技合伙企业(有限合伙) | Use durability testing device of semiconductor device |
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Application publication date: 20151216 |