A kind of RF coupling test macro suitable for wireless product

文档序号:1754382 发布日期:2019-11-29 浏览:20次 中文

阅读说明:本技术 一种适用于无线产品的射频耦合测试系统 (A kind of RF coupling test macro suitable for wireless product ) 是由 张金国 于 2019-08-13 设计创作,主要内容包括:本发明涉及一种适用于无线产品的射频耦合测试系统,包括控制箱体(1)、第一伸缩板(2)、第二伸缩板(3)、射频探针组件(4)、以及待测产品(5);可以解决不自带天线、且由于结构原因无法使用传导测试方式进行测试的待测产品的测试问题;测试过程中能够对射频探针组件的X向、Y向、及Z向位置进行调节,从而保证射频探针组件与待测产品的射频输出引脚之间的良好搭接,从而保证测试结果准确;在最终调节到测试位置时,射频探针组件在测试时的实时所处位置被同步记录并传送至控制箱体内部设置的射频综测仪中,射频综测仪内部即根据此时射频探针组件所处的位置实时匹配补偿传输线路中空气环境的本次损耗,从而进一步保证测试准确。(The present invention relates to a kind of RF coupling test macros suitable for wireless product, including control cabinet (1), the first expansion plate (2), the second expansion plate (3), rf probe component (4) and product to be measured (5);Antenna cannot not be can solve includedly and since reasons in structure is not available the test problem for the product to be measured that conduction test mode is tested;In test process can X to rf probe component be adjusted to, Y-direction and Z-direction position, to guarantee the good overlap joint between rf probe component and the radio frequency output pin of product to be measured, to guarantee that test result is accurate;When being finally adjusted to test position, real-time present position of the rf probe component in test is synchronized in the radio frequency comprehensive test instrument for recording and being sent to control box house setting, it is according to this loss of air environment in the compensation transmission line of the location of rf probe component real-time matching at this time, to be further ensured that test is accurate inside radio frequency comprehensive test instrument.)

1. a kind of RF coupling test macro suitable for wireless product, it is characterised in that: the system include control cabinet (1), First expansion plate (2), the second expansion plate (3), rf probe component (4) and product to be measured (5);Wherein,

The control cabinet (1) is internally provided with radio frequency comprehensive test instrument, and first expansion plate (2) is located at the control cabinet (1) Side, the back side of first expansion plate (2) is provided with retracting cylinder (1-1) and to be located at the retracting cylinder (1-1) internal The back side of telescopic shaft (1-2), the outer end of the telescopic shaft (1-2) and first expansion plate (2) is connected, the telescopic shaft (1- 2) inner end can realize axial stretching movement to realize and the telescopic shaft (1-2) in the inside of the retracting cylinder (1-1) Stretching motion of connected the first expansion plate (2) in Y-direction, is provided with Y-direction driving motor above the control cabinet (1) (2-1) is with the flexible fortune for driving the telescopic shaft (1-2) internal in the retracting cylinder (1-1) by corresponding transmission device It is dynamic;L shape mounting rack (1- is further fixedly arranged in a upper side of control cabinet (1) towards first expansion plate (2) 3) it, is fixedly installed support frame (1-4) at the both ends of the L shape mounting rack (1-3), is worn inside support frame as described above (1-4) Have coupled antenna (1-5), the coupled antenna (1-5) connect with the radio frequency comprehensive test instrument;

First expansion plate (2) if before be provided with arterial highway Z-direction sliding groove (2-2), the back side of second expansion plate (3) If several Z-direction slider bars (3-4) with the arterial highway Z-direction sliding groove (2-2) cooperation sliding are correspondingly arranged on, if by described Dry Z-direction slider bar (3-4) is if realize second expansion plate in the internal Z-direction sliding of the arterial highway Z-direction sliding groove (2-2) (3) it is moved relative to the Z-direction of first expansion plate (2), Z-direction drive is fixedly installed before second expansion plate (3) Dynamic motor (3-1) by corresponding transmission device for driving second expansion plate (3) relative to first expansion plate (2) Z-direction movement;

Second expansion plate (3) if before be provided with arterial highway X to sliding groove (3-2), the rf probe component (4) includes Radio frequency signal amplifiers (4-3) if the back side be correspondingly arranged on the arterial highway X to sliding groove (3-2) cooperation sliding it is several X is to slider bar (4-2), by several X to slider bar (4-2) if internal to sliding groove (3-2) in the arterial highway X X to sliding realize the rf probe component (4) relative to second expansion plate (3) X to movement, in the rf probe The side of component (4) is fixedly installed X to driving motor (4-1) for driving the radio frequency to visit by corresponding transmission device Needle assemblies (4) relative to second expansion plate (3) X to movement;

The rf probe component (4) include several along X to the radio frequency signal amplifiers (4-3) equidistantly arranged, each Rf probe (4-4) is fixedly installed below the radio frequency signal amplifiers (4-3);

It is provided with product to be measured (5) below the rf probe component (4), the product (5) to be measured is close to the radio frequency One lateral edge X of probe assembly (4) is to several pin slots (5-1) are equidistantly offered, in the interior of each pin slot (5-1) Portion is provided with radio frequency output pin (5-2);

The radiofrequency signal of product to be measured is transmitted to and radio frequency output pin (5-2) overlapped radio frequency through radio frequency output pin (5-2) In probe (4-4), radiofrequency signal is transmitted to week after the radio frequency signal amplifiers (4-3) of top amplify by rf probe (4-4) In the air environment enclosed, then coupled antenna (1-5) is sent to by air environment, and is finally transferred to and coupled antenna (1-5) Connection and be located in the internal radio frequency comprehensive test instrument of control cabinet (1), real-time institute of the rf probe component (4) in test Place position is synchronized to record and be sent in the radio frequency comprehensive test instrument being arranged inside control cabinet (1).

2. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: each The Y-direction size of the radio frequency output pin (5-2) is less than the Y-direction size of each pin slot (5-1).

3. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: each The radio frequency output pin (5-2) is set as arc-shaped, and the lower end of each rf probe (4-4) offers and the radio frequency The arc-shaped arc groove to match of output pin (5-2).

4. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: in institute The side for stating rf probe component (4), which is stretched out, is provided with X to motor support plate (4-11), and the X is fixed to driving motor (4-1) The X is set to motor support plate (4-11) top and the rf probe component (4) is followed to move synchronously.

5. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: in institute The front side for stating the second expansion plate (3), which is stretched out, to be provided with Z-direction motor support plate (3-11), and Z-direction driving motor (3-1) fixation is set It is placed in above the Z-direction motor support plate (3-11) and second expansion plate (3) is followed to move synchronously.

6. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: described Z-direction sliding groove (2-2) is less than first expansion plate (2) along the entire length of Z-direction along the setting length of Z-direction.

7. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: described X to sliding groove (3-2) along X to setting length be less than second expansion plate (3) along X to entire length.

8. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: described Z-direction sliding groove (2-2) and corresponding matching sliding Z-direction slider bar (3-4) quantity respectively correspond be provided with it is multiple.

9. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: described The X that X is slided to sliding groove (3-2) and corresponding matching respectively corresponded to the quantity of slider bar (4-2) be provided with it is multiple.

10. a kind of RF coupling test macro suitable for wireless product according to claim 1, it is characterised in that: institute Selection, setting length and the diameter of rf probe (4-4) are stated according in the type and radio frequency comprehensive test instrument of the product (5) to be measured The project of detection and determine.

Technical field

The present invention relates to the technical fields of wireless product test, and in particular to a kind of RF coupling suitable for wireless product Test macro.

Background technique

In recent years, with the fast development of network communication technology, using the production and application of the product of wireless communication technique Gradually generallyd use by people, and for radio communication product before use, its less radio-frequency performance must be tested, the prior art In less radio-frequency performance test, tested often through product to be measured to be placed in shielded box, test mode include 2 kinds of sides Formula, i.e. conduction test mode and coupling measurement mode.

For conduction test mode, the product of no antenna is applied in general to, is connected to by radio frequency coaxial cables to be measured The radio frequency delivery outlet of product, wireless signal, which directly passes through radio frequency coaxial cables and is transferred to radio frequency comprehensive test instrument, to be tested;Conduction is surveyed The advantages of examination is that measurement data is accurate, the disadvantage is that the easy poor contact of the connection of radio frequency delivery outlet and radio frequency coaxial cables, production to be measured Product are drawn in which must have radio frequency delivery outlet and radio frequency, can just use conduction test mode.

For coupling measurement mode, included antenna product is applied in general to, in shielded box, product to be measured launches nothing Line signal is transferred to the radio frequency comprehensive test instrument connecting with coupled antenna and is tested by air and coupled antenna;Coupling measurement Advantage is can to verify the performance of coupled antenna part simultaneously, to realize the test to complete radio frequency link, therefore is reduced The radio-frequency performance of scene is actually used, the disadvantage is that needing to compensate the loss of air environment in transmission line to mend and guarantee test essence Degree, and it is directed to the difference for the product category to be measured tested every time and the difference of test item, air environment in transmission line Loss is all different and can not obtain and adjust accordingly on this basis to offset in real time, and the most important be to Antenna must be carried by surveying product.

And for not included antenna and due to reasons in structure, such as without radio frequency draw not being available conduction test The product to be measured that mode is tested, the then test mode that can not be widely present in the prior art are tested.

Summary of the invention

In view of the above-mentioned problems, the present invention provides a kind of RF coupling test macro suitable for wireless product.

The technical solution adopted by the present invention are as follows:

A kind of RF coupling test macro suitable for wireless product, it is characterised in that: the system is stretched including control cabinet, first Contracting plate, the second expansion plate, rf probe component and product to be measured;Wherein,

The control box house is provided with radio frequency comprehensive test instrument, and first expansion plate is located at the side of the control cabinet, In The back side of first expansion plate is provided with retracting cylinder and the telescopic shaft inside the retracting cylinder, the outer end of the telescopic shaft It is connected with the back side of first expansion plate, the inner end of the telescopic shaft can realize axial stretching in the inside of the retracting cylinder Movement is to realize stretching motion of the first expansion plate being connected with the telescopic shaft in Y-direction, in the upper of the control cabinet Side is provided with Y-direction driving motor for driving the telescopic shaft stretching inside the retracting cylinder by corresponding transmission device Contracting movement;It is further fixedly arranged on L shape mounting rack in a upper side of control cabinet towards first expansion plate, described The both ends of L shape mounting rack are fixedly installed support frame, are equipped with coupled antenna inside support frame as described above, the coupled antenna with The radio frequency comprehensive test instrument connection;

If being provided with arterial highway Z-direction sliding groove before first expansion plate, the back side of second expansion plate is correspondingly arranged on If several Z-direction slider bars with arterial highway Z-direction sliding groove cooperation sliding, by several Z-direction slider bars described If the Z-direction sliding inside the Z-direction sliding groove of arterial highway realizes that second expansion plate is moved relative to the Z-direction of first expansion plate, Z-direction driving motor is fixedly installed before second expansion plate for driving described the by corresponding transmission device Two expansion plates are moved relative to the Z-direction of first expansion plate;

If being provided with the radiofrequency signal that arterial highway X includes to sliding groove, the rf probe component before second expansion plate If the back side of amplifier is correspondingly arranged on several X slided with the arterial highway X to sliding groove cooperation to slider bar, by described If several X realize the rf probe component relative to institute in the arterial highway X to slider bar to the X inside sliding groove to sliding The X of the second expansion plate is stated to movement, is fixedly installed X to driving motor for passing through in the side of the rf probe component Corresponding transmission device drives the rf probe component relative to the X of second expansion plate to movement;

The rf probe component include several along X to the radio frequency signal amplifiers equidistantly arranged, in each radio frequency Rf probe is fixedly installed below signal amplifier;

Product to be measured is provided with below the rf probe component, the product to be measured is close to the rf probe component One lateral edge X is internally provided with radio frequency output pin to several pin slots are equidistantly offered, in each pin slot;

The radiofrequency signal of product to be measured through radio frequency output pin be transmitted to in radio frequency output pin overlapped rf probe, radio frequency In the air environment that radiofrequency signal is transmitted to surrounding after the amplification of the radio frequency signal amplifiers of top by probe, then by air environment It is sent to coupled antenna, and is finally transferred to radio frequency comprehensive test instrument that is connecting with coupled antenna and being located at control box house In, real-time present position of the rf probe component in test, which is synchronized to record and be sent to the control box house, to be set In the radio frequency comprehensive test instrument set.

Further, the Y-direction size of each radio frequency output pin is less than the Y-direction size of each pin slot.

Further, each radio frequency output pin is set as arc-shaped, and the lower end of each rf probe opens up There is the arc-shaped arc groove to match with the radio frequency output pin.

Further, it is stretched out in the side of the rf probe component and is provided with X to motor support plate, the X is to driving Motor is fixedly installed on the X to motor support plate top and the rf probe component synchronization is followed to move.

Further, it is stretched out in the front side of second expansion plate and is provided with Z-direction motor support plate, the Z-direction driving electricity Machine is fixedly installed on above the Z-direction motor support plate and second expansion plate is followed to move synchronously.

Further, Z-direction sliding groove is less than first expansion plate along the entire length of Z-direction along the setting length of Z-direction.

Further, X to sliding groove along X to setting length be less than second expansion plate along X to entire length.

Further, Z-direction sliding groove and corresponding matching sliding Z-direction slider bar quantity respectively correspond be provided with it is more It is a.

Further, the X that X is slided to sliding groove and corresponding matching respectively corresponded to the quantity of slider bar be provided with it is more It is a.

Further, the selection of rf probe, setting length and diameter are according to the type and radio frequency of the product to be measured The project that is detected in comprehensive test instrument and determine.

The utility model has the advantages that compared with prior art, the invention has the advantages that

(1) antenna cannot not be can solve includedly and since reasons in structure is not available the production to be measured that conduction test mode is tested The test problem of product;

(2) in test process can X to rf probe component be adjusted to, Y-direction and Z-direction position, to guarantee that radio frequency is visited Good overlap joint between needle assemblies and the radio frequency output pin of product to be measured, to guarantee that test result is accurate;

(3) when being finally adjusted to test position, real-time present position of the rf probe component in test is synchronized record simultaneously It is sent in the radio frequency comprehensive test instrument of control box house setting, inside radio frequency comprehensive test instrument i.e. according to locating for rf probe component at this time Position real-time matching compensation transmission line in air environment this loss, to be further ensured that test is accurate.

Detailed description of the invention

Fig. 1 is that a kind of structure suitable for the RF coupling test macro of wireless product from an angle of the present invention is shown It is intended to;

Fig. 2 is a kind of structural representation suitable for the RF coupling test macro of wireless product from another angle of the present invention Figure;

Fig. 3 is a kind of structure amplification of rf probe component of the RF coupling test macro suitable for wireless product of the present invention Figure.

Specific embodiment

In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.

Please refer to Fig. 1-3, a kind of RF coupling test macro suitable for wireless product, the system include control cabinet 1, First expansion plate 2, the second expansion plate 3, rf probe component 4 and product to be measured 5;Wherein,

Control cabinet 1 is internally provided with radio frequency comprehensive test instrument, and the first expansion plate 2 is located at the side of control cabinet 1, in the first expansion plate 2 back side is provided with retracting cylinder 1-1 and the telescopic shaft 1-2 inside retracting cylinder 1-1, and the outer end of telescopic shaft 1-2 is stretched with first The back side of contracting plate 2 is connected, and the inner end of telescopic shaft 1-2 can realize axial stretching movement to realize in the inside of retracting cylinder 1-1 Stretching motion of the first expansion plate 2 being connected with telescopic shaft 1-2 in Y-direction is provided with Y-direction driving in the top of control cabinet 1 Motor 2-1 is for driving stretching motion of the telescopic shaft 1-2 inside retracting cylinder 1-1 by corresponding transmission device;It is controlling One upper side of cabinet 1 towards the first expansion plate 2 is further fixedly arranged on L shape mounting rack 1-3, solid at the both ends of L shape mounting rack 1-3 Surely it is provided with support frame 1-4, coupled antenna 1-5 is equipped with inside support frame 1-4, coupled antenna 1-5 and radio frequency comprehensive test instrument connect It connects;

If being provided with arterial highway Z-direction sliding groove 2-2 before the first expansion plate 2, if the back side of the second expansion plate 3 be correspondingly arranged on Several Z-direction slider bar 3-4 of arterial highway Z-direction sliding groove 2-2 cooperation sliding, if by several Z-direction slider bar 3-4 in arterial highway Z Realize that the second expansion plate 3 is moved relative to the Z-direction of the first expansion plate 2 to the Z-direction sliding inside sliding groove 2-2, it is flexible second Z-direction driving motor 3-1 is fixedly installed before plate 3 for opposite by corresponding transmission device driving the second expansion plate 3 It is moved in the Z-direction of the first expansion plate 2;

If being provided with arterial highway X before the second expansion plate 3 to sliding groove 3-2, the radiofrequency signal that rf probe component 4 includes is amplified If the back side of device 4-3 is correspondingly arranged on several X slided with arterial highway X to sliding groove 3-2 cooperation to slider bar 4-2, if by If dry X realizes rf probe component 4 relative to second in arterial highway X to slider bar 4-2 to the X inside sliding groove 3-2 to sliding The X of expansion plate 3 is fixedly installed X to driving motor 4-1 for passing through correspondence to movement, in the side of rf probe component 4 Transmission device driving rf probe component 4 relative to the second expansion plate 3 X to movement;

Rf probe component 4 include several along X to the radio frequency signal amplifiers 4-3 equidistantly arranged, in each radiofrequency signal Rf probe 4-4 is fixedly installed below amplifier 4-3;

The lower section of rf probe component 4 is provided with product 5 to be measured, a lateral edge X of the product 5 to be measured close to rf probe component 4 To several pins slot 5-1 is equidistantly offered, radio frequency output pin 5-2 is internally provided in each pin slot 5-1;

The radiofrequency signal of product to be measured is transmitted to and radio frequency output pin 5-2 overlapped rf probe through radio frequency output pin 5-2 In 4-4, radiofrequency signal is transmitted to the air ring of surrounding by rf probe 4-4 after the radio frequency signal amplifiers 4-3 of top amplifies In border, then coupled antenna 1-5 is sent to by air environment, and is finally transferred to being connect with coupled antenna 1-5 and is located at control In radio frequency comprehensive test instrument inside cabinet 1 processed, real-time present position of the rf probe component 4 in test is synchronized to record and transmit In the radio frequency comprehensive test instrument being arranged inside to control cabinet 1.

Specifically, the Y-direction size of each radio frequency output pin 5-2 is less than the Y-direction size of each pin slot 5-1, thus Rf probe component 4 is convenient for rf probe component 4 in Y-direction after being completed with corresponding radio frequency output pin 5-2 overlap joint Remove the length range of radio frequency output pin 5-2.

Specifically, each radio frequency output pin 5-2 is set as arc-shaped, the lower end of each rf probe 4-4 offer with The arc-shaped arc groove to match of radio frequency output pin 5-2, to effectively increase each rf probe 4-4 and each radio frequency is defeated The overlap joint effect of pin 5-2 out, and then guarantee to be connected firmly, stable signal transmission.

Specifically, it is stretched out in the side of rf probe component 4 and is provided with X to motor support plate 4-11, X is to driving motor 4- 1 is fixedly installed on X to the top motor support plate 4-11 and rf probe component 4 is followed to move synchronously, to guarantee X to driving electricity The driving effect stability of machine 4-1, in time and in place.

Specifically, it is stretched out in the front side of the second expansion plate 3 and is provided with Z-direction motor support plate 3-11, Z-direction driving motor 3-1 It is fixedly installed on above Z-direction motor support plate 3-11 and the second expansion plate 3 is followed to move synchronously, to guarantee Z-direction driving motor The driving effect stability of 3-1, in time and in place.

Specifically, Z-direction sliding groove 2-2 along Z-direction setting length less than the first expansion plate 2 along the entire length of Z-direction, thus The risk for avoiding the second expansion plate 3 from deviating from from the first expansion plate 2 relative to the first expansion plate 2 when sliding in Z-direction.

Specifically, X to sliding groove 3-2 along X to setting length less than the second expansion plate 3 along X to entire length, thus The risk for avoiding rf probe component 4 from deviating from from the second expansion plate 3 relative to the second expansion plate 3 in X upward sliding.

Specifically, the quantity of Z-direction sliding groove 2-2 and the Z-direction slider bar 3-4 of corresponding matching sliding, which respectively correspond, is provided with It is multiple, to guarantee that the second expansion plate 3 guarantees connection jail relative to the first expansion plate 2 while good sliding effect in Z-direction Gu.

Specifically, X is respectively corresponded to the quantity of slider bar 4-2 to the X that sliding groove 3-2 and corresponding matching are slided and is provided with It is multiple, to guarantee that rf probe component 4 guarantees connection relative to the second expansion plate 3 while X good sliding effect upwards Securely.

Specifically, the selection of rf probe 4-4, setting length and diameter are comprehensive according to the type and radio frequency of product 5 to be measured It surveys the project detected in instrument and determines, to be surveyed for different types of product 5 to be measured and the different of different products 5 to be measured Examination project is specifically chosen the material of corresponding rf probe 4-4, the length and diameter of the corresponding rf probe 4-4 of setting, To realize the good overlap joint of rf probe 4-4 Yu radio frequency output pin 5-2, and then guarantee that test result is accurate, and being capable of face It is applied widely to different types of product to be measured and different test items.

When specific works, the first expansion plate 2 is realized by axial movement of the telescopic shaft 1-2 inside retracting cylinder 1-1 Movement in Y-direction realizes the second expansion plate 3 in Z-direction by being slidably matched for Z-direction slider bar 3-4 and Z-direction sliding groove 2-2 Movement, fortune that rf probe component 4 is upward in X is realized to slider bar 4-2 and X to being slidably matched for sliding groove 3-2 by X It is dynamic, to realize that rf probe component 4 and product to be measured 5 well overlap and then guarantee stable stable signal transmission, to realize The radiofrequency signal of product to be measured is transmitted to and radio frequency output pin 5-2 overlapped rf probe 4-4 through radio frequency output pin 5-2 In, radiofrequency signal is transmitted to the air environment of surrounding by rf probe 4-4 after the radio frequency signal amplifiers 4-3 of top amplifies In, then coupled antenna 1-5 is sent to by air environment, and be finally transferred to connecting with coupled antenna 1-5 and be located at control In radio frequency comprehensive test instrument inside cabinet 1, real-time present position of the rf probe component 4 in test is synchronized to record and be sent to Inside control cabinet 1 in the radio frequency comprehensive test instrument that is arranged, and accordingly when the real-time matching compensation of the location of rf probe component pass This loss of air environment in defeated route, to be further ensured that test is accurate.

Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

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