CN102809704B - A kind of passive device automatic detection device - Google Patents

A kind of passive device automatic detection device Download PDF

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Publication number
CN102809704B
CN102809704B CN201210281609.1A CN201210281609A CN102809704B CN 102809704 B CN102809704 B CN 102809704B CN 201210281609 A CN201210281609 A CN 201210281609A CN 102809704 B CN102809704 B CN 102809704B
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China
Prior art keywords
intermodulation
measured device
terminal
row
driving mechanism
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Expired - Fee Related
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CN201210281609.1A
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CN102809704A (en
Inventor
胡学东
曲梅
孙焕发
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NANJING DONGHENG COMMUNICATION TECHNOLOGY Co Ltd
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NANJING DONGHENG COMMUNICATION TECHNOLOGY Co Ltd
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Publication of CN102809704A publication Critical patent/CN102809704A/en
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Abstract

The invention provides a kind of passive device automatic detection device, it comprises measured device clamping unit and interactive unit, and be provided with clamping platform and the fixture for fixing measured device in measured device clamping unit, fixture is provided with test cable; Interactive unit comprises interaction controller, mutual driving mechanism, intermodulation load and mutual coupling assembling; Mutual coupling assembling comprise be parallel to each other and terminal apart from identical measured device lead-out terminal row and intermodulation face terminals arrange; Test cable on measured device lead-out terminal row jockey, intermodulation face terminals row connects intermodulation instrument PIM load port; Interaction controller controls the operation of mutual driving mechanism according to the debugging indication information obtained from intermodulation instrument; Thus control two-terminal row moves separately in the horizontal and vertical directions, to realize the docking of two-terminal row, detects alternately.The present invention can carry out index performance to various passive device, and the automatic test of passive intermodulation, and easy to use, detection efficiency is high.

Description

A kind of passive device automatic detection device
Technical field
The present invention relates to the technical field of measurement and test of passive device, particularly a kind of being used for carries out index performance test to various passive device, and the passive device automatic detection device of passive cross modulation test.
Background technology
Passive device obtains a large amount of uses in communication industry of today, and the development along with communication industry uses frequency range to get more and more, and different frequency range interval is also more and more less.And cannot ensure that the interference produced between each frequency range reduces speech quality due to intermodulation.The intermodulation of each operator to passive device is also more and more paid close attention to, and requires more and more higher, and this will carry out intermodulation detection to each device.It is a loaded down with trivial details job that intermodulation detects, and for the situation that device interface is more, because intermodulation testing requirement is accurate, manually carries out carrying out detection procedure slowly to each interface, cannot carry out volume production detection to the device of the low intermodulation of high-performance.Adopting mechanical machine hand to carry out detection can head it off, but mechanical machine hand is expensive, and the loaded down with trivial details easy damage intermodulation cable of action, in use very inconvenience.
Summary of the invention
The defect that the present invention is directed to prior art provides a kind of passive device automatically to survey pick-up unit, and it can carry out index performance to various passive device, and the automatic test of passive intermodulation, and convenient to use, detection efficiency is high.
For achieving the above object, the technical scheme that the present invention takes is: a kind of passive device automatic detection device, comprising:
Measured device clamping unit, comprises clamping platform, and clamping platform is provided with orthogonal first fixture in clamping direction and the second fixture; First fixture and the second fixture respectively by telescoping drive mechanism and 2 oppose in opposite directions arrange clamp head form; Each clamp head is connected to test cable, and clamp head can under the driving of telescoping drive mechanism, stretching motion on corresponding clamping direction, is connected with measured device port to make test cable;
And interactive unit, comprise interaction controller, mutual driving mechanism, intermodulation load and mutual coupling assembling;
Described mutual coupling assembling comprises measured device lead-out terminal row arranged in parallel and intermodulation face terminals row; Each terminal on measured device lead-out terminal row connects the test cable of corresponding measured device output port in a measured device clamping unit respectively, and intermodulation face terminals row is provided with intermodulation load connection terminal and intermodulation instrument input terminal; Row is identical with the distance that intermodulation face terminals is arranged between each terminal for measured device lead-out terminal;
Interaction controller obtains debugging indication information from intermodulation instrument, and controls the operation of mutual driving mechanism according to debugging indication information; Mutual actuator mechanism is made up of with vertical mutual driving mechanism the mutual driving mechanism of level;
The mutual driving mechanism of level is connected measured device lead-out terminal respectively with vertical mutual driving mechanism and arranges a terminal block in arranging with intermodulation face terminals, and corresponding terminal block can be driven to move in the horizontal and vertical directions, the terminal in arranging to make the terminal on measured device lead-out terminal row and intermodulation face terminals connects;
And above-mentioned measured device lead-out terminal row and intermodulation face terminals are arranged when connecting, measured device lead-out terminal row have at least a terminal and intermodulation instrument input terminal to connect, to carry out intermodulation testing to one of them output port of measured device, and other terminals connect intermodulation load Absorbable rod power, prevent signal reflex, avoid damaging instrument.
Preferably, the first fixture described in the present invention and the second fixture are air-actuated jaw.The realization of air-actuated jaw can adopt cylinder, clamp head is fixed on the piston rod of cylinder, and utilize source of the gas to promote the operation of cylinder, the flexible of piston rod, clamp head i.e. telescopic moving thereupon, to clamp measured device, the test cable simultaneously in clamp head is connected on the port of measured device.The control of source of the gas also realizes automatically by controller.
For docking of realizing that the row of measured device lead-out terminal in the present invention arranges with intermodulation face terminals, described in the present invention, mutual driving mechanism comprises air motor and leading screw; Leading screw quantity is 2, a terminal block during the vertical and parallel connection measured device lead-out terminal row and intermodulation face terminals of the screw mandrel difference of 2 leading screws arranges; The nut of leading screw connects air motor respectively, and rotates along corresponding leading screw under the driving of air motor.Concrete, two terminal block can realize moving up and down and moving horizontally respectively, because the distance between two terminal block upper terminals is identical, therefore are easy to achieve a butt joint.
When utilizing the present invention to test, a clamp head is had to be connected with the signal input of measured device in clamp head in clamping unit, the other end of the test cable in this clamp head is connected to the RF inter-modulated signal delivery outlet of intermodulation instrument, test cable in all the other clamp head connects the terminal on measured device lead-out terminal row, when measured device output port is more, test cable can be set in addition, and terminal is set up on measured device lead-out terminal row, the output port making measured device all has corresponding terminal on measured device lead-out terminal row.
Controller in the present invention can adopt existing computing machine to realize, and computing machine controls to utilize existing techniques in realizing for the startup of air motor; Intermodulation instrument is provided with for connecting computing machine, carries out the interface of test data transmission, as USB interface.When starting to test, controller and computing machine can according to the test data information obtained from intermodulation instrument, and the different terminals that the terminal on control measured device lead-out terminal row is arranged from intermodulation face terminals connect, to realize interactive testing.
Beneficial effect of the present invention is: when applying, under two fixtures in measured device clamping unit coordinate, measured device can be fixed on clamping platform stably, can not be shifted in test process, the accuracy of test data can be ensured, and not easily cause the damage of measured device or proving installation; When measured device clamps by fixture, test cable and the reliable each port connecting measured device, for test lays the foundation automatically;
Due to measured device lead-out terminal, row arranges the movement that all can realize under the control of interaction controller in horizontal or vertical direction with intermodulation face terminals, achieve the automatic butt between terminal block and interactive testing very easily, intermodulation testing can be carried out to each port, automaticity is higher, time saving and energy saving, the efficiency of interactive testing have also been obtained raising.
Accompanying drawing explanation
Figure 1 shows that the connection diagram of measured device clamping platform of the present invention and intermodulation instrument;
Figure 2 shows that the connection diagram of interaction platform of the present invention and measured device clamping platform, intermodulation instrument;
Figure 3 shows that the application structure schematic diagram of a kind of specific embodiment of the present invention;
Figure 4 shows that interactive testing principle schematic.
Embodiment
For making content of the present invention more become apparent, be described further below in conjunction with the drawings and specific embodiments.
Composition graphs 1 to Fig. 3, passive device automatic detection device of the present invention comprises: measured device clamping unit 2 and interactive unit, when testing, measured device clamping unit and interactive unit are carried out corresponding connection to intermodulation instrument by test cable can complete interactive testing.
As shown in Figure 1, measured device clamping unit 2 comprises clamping platform, and clamping platform is provided with orthogonal first fixture in clamping direction and the second fixture; First fixture and the second fixture respectively by telescoping drive mechanism and 21 oppose in opposite directions arrange clamp head 22 form; Each clamp head 22 is connected to test cable 5, and clamp head 22 can under the driving of telescoping drive mechanism 21, stretching motion on corresponding clamping direction, is connected with measured device port to make test cable 5; During concrete enforcement, telescoping drive mechanism 21 can adopt cylinder to realize, and is fixed on the piston rod of cylinder by clamp head, and the end winding support of test cable is in clamp head; Then stretched by the piston rod of air pressure control cylinder, namely clamp head is connected on the port of measured device 4 with the end of test cable 5, the other end of test cable draws each output port of measured device, in embodiment as shown in Figure 1, measured device has 4 output ports, is respectively: PORT1, PORT2, PORT 3 and PORT4.
As shown in Figure 2, interactive unit comprises interaction controller 33, mutual driving mechanism, intermodulation load and mutual coupling assembling; Mutual coupling assembling comprises measured device lead-out terminal row 31 arranged in parallel and intermodulation face terminals row 32; Each terminal on measured device lead-out terminal row 31 connects the test cable 5 of corresponding measured device 4 output port in a measured device clamping unit 2 respectively, a port namely in PORT1, PORT2, PORT 3 and PORT4; Intermodulation face terminals row 32 is provided with intermodulation load connection terminal B1, B2, B3, B5, B6, B7, and intermodulation instrument input terminal B4; Row 31 is identical with the distance that intermodulation face terminals is arranged on 32 between each terminal for measured device lead-out terminal, arranges can reliably dock to make two-terminal;
Interaction controller 33 obtains debugging indication information from intermodulation instrument 1, and controls the operation of mutual driving mechanism according to debugging indication information; Mutual actuator mechanism is made up of with vertical mutual driving mechanism the mutual driving mechanism of level;
In embodiment as shown in Figure 2, the mutual driving mechanism of level and vertical mutual driving mechanism be connected respectively measured device lead-out terminal arrange 31 and intermodulation face terminals arrange 32, mutual driving mechanism comprises air motor 34,35 and leading screw 36,37, in vertical mutual driving mechanism, the parallel intermodulation face terminals row 32 of the screw mandrel of leading screw 35, is fixed on the lower end of terminal block 32; In the mutual driving mechanism of level, the screw mandrel 34 of leading screw is perpendicular to measured device terminal block 31, is fixed on the lower end sidepiece of terminal block 31; The nut of leading screw connects air motor respectively, when interaction controller send steering order air motor is run time, the nut of leading screw rotates, namely screw mandrel realizes the movement of horizontal or vertical direction, thus driving terminal block to move, the terminal in arranging to make the terminal on measured device lead-out terminal row and intermodulation face terminals connects.
When utilizing the present invention to test, a fixture 22 is had to be connected with the signal input IN of measured device 4 in clamp head 22 in clamping unit, the other end of the test cable 4 in this clamp head 22 is connected to the RF inter-modulated signal delivery outlet OUT of intermodulation instrument 1, test cable 5 in all the other clamp head 22 connects the terminal on measured device lead-out terminal row 31, when measured device output port is more, test cable can be set in addition, and terminal is set up on measured device lead-out terminal row, the output port making measured device all has corresponding terminal on measured device lead-out terminal row, make the present invention can be applied to the device intermodulation testing of various port number.
Composition graphs 4, the present invention is utilized to carry out in test process, when measured device lead-out terminal row 31 and intermodulation face terminals are arranged and are connected 32, measured device lead-out terminal row 31 have at least a terminal and intermodulation instrument input terminal B4 to connect, to carry out intermodulation testing to one of them output port of measured device, and other terminals connect intermodulation load Absorbable rod power, prevent signal reflex, avoid damaging instrument.
Controller in the present invention can adopt existing computing machine to realize, and computing machine controls to utilize existing techniques in realizing for the startup of air motor; Intermodulation instrument is provided with for connecting computing machine, carries out the interface of test data transmission, as USB interface.When starting to test, controller and computing machine can according to the test data information obtained from intermodulation instrument, and the different terminals that the terminal on control measured device lead-out terminal row is arranged from intermodulation face terminals connect, to realize interactive testing.
Described in the present invention, concrete case study on implementation is only better case study on implementation of the present invention, is not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, all should as technology category of the present invention.

Claims (2)

1. a passive device automatic detection device, is characterized in that, comprising:
Measured device clamping unit, comprises clamping platform, and clamping platform is provided with orthogonal first fixture in clamping direction and the second fixture; First fixture and the second fixture respectively by telescoping drive mechanism and 2 oppose in opposite directions arrange clamp head form; Each clamp head is connected to test cable, and clamp head can under the driving of telescoping drive mechanism, stretching motion on corresponding clamping direction;
And interactive unit, interactive unit comprises interaction controller, mutual driving mechanism, intermodulation load and mutual coupling assembling;
Described mutual coupling assembling comprises measured device lead-out terminal row arranged in parallel and intermodulation face terminals row; Each terminal on measured device lead-out terminal row connects the test cable in a measured device clamping unit respectively, and intermodulation face terminals row is provided with intermodulation load connection terminal and intermodulation instrument input terminal; Row is identical with the distance that intermodulation face terminals is arranged between each terminal for measured device lead-out terminal;
Interaction controller obtains debugging indication information from intermodulation instrument, and controls the operation of mutual driving mechanism according to debugging indication information; Mutual actuator mechanism is made up of with vertical mutual driving mechanism the mutual driving mechanism of level;
The mutual driving mechanism of level is connected measured device lead-out terminal respectively with vertical mutual driving mechanism and arranges a terminal block in arranging with intermodulation face terminals, and corresponding terminal block can be driven to move in the horizontal and vertical directions, the terminal in arranging with intermodulation face terminals with the terminal making measured device lead-out terminal arrange docks one by one;
And above-mentioned measured device lead-out terminal row and intermodulation face terminals arranges when connecting, measured device lead-out terminal has at least a terminal and intermodulation instrument input terminal to connect on arranging;
Described mutual driving mechanism comprises air motor and leading screw; Leading screw quantity is 2, a terminal block during the vertical and parallel connection measured device lead-out terminal row and intermodulation face terminals of the screw mandrel difference of 2 leading screws arranges; The nut of leading screw connects air motor respectively, and rotates along corresponding leading screw under the driving of air motor.
2. passive device automatic detection device according to claim 1, is characterized in that, described first fixture and the second fixture are air-actuated jaw.
CN201210281609.1A 2012-08-09 2012-08-09 A kind of passive device automatic detection device Expired - Fee Related CN102809704B (en)

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CN103869189B (en) * 2014-03-14 2016-09-14 南京东恒通信科技有限公司 A kind of passive device debugging system
CN104022767B (en) * 2014-05-26 2017-02-22 华为技术有限公司 Low-intermodulation automatic transfer switch
CN103983877A (en) * 2014-05-28 2014-08-13 无锡市华清铜业有限公司 Intermodulation automated testing tool for pneumatic cavity coupler
KR101632276B1 (en) * 2015-02-17 2016-06-21 주식회사 감마누 Apparatus for automatic measuring of passive inter modulation
CN107979426B (en) * 2017-12-26 2023-09-08 安徽得润电子技术有限公司 Semi-automatic intermodulation measurement tool
CN108152778B (en) * 2018-01-29 2024-01-30 苏州立讯技术有限公司 Automatic intermodulation test equipment of filter
CN113447753B (en) * 2021-09-01 2021-11-02 江苏昕讯光电科技有限公司 Detection apparatus for passive device
CN114609437A (en) * 2022-03-23 2022-06-10 电子科技大学 Method for testing absorption power of microwave load

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