CN114414983A - High-frequency detection test fixture for Bluetooth module - Google Patents
High-frequency detection test fixture for Bluetooth module Download PDFInfo
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- CN114414983A CN114414983A CN202111589999.4A CN202111589999A CN114414983A CN 114414983 A CN114414983 A CN 114414983A CN 202111589999 A CN202111589999 A CN 202111589999A CN 114414983 A CN114414983 A CN 114414983A
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 55
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000047 product Substances 0.000 description 17
- 238000005457 optimization Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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Abstract
The invention discloses a high-frequency detection test fixture for a Bluetooth module, which belongs to the technical field of Bluetooth module testing and comprises a test rack, a display control all-in-one machine, a push-pull self-closed type clamping mechanism, a top outer cover, an outer layer shielding box body and an inner layer shielding box body, wherein the outer layer shielding box body is fixedly arranged at the top of the test rack to play an outer layer shielding effect and ensure the basic shielding capability of the invention, the display control all-in-one machine is fixedly arranged on the outer side wall of the outer layer shielding box body, the display control all-in-one machine is provided with a test slot at one side of the outer layer shielding box body, the inner layer shielding box body is fixedly arranged in the test slot, and the push-pull self-closed type clamping mechanism is arranged in the inner layer shielding box body, can ensure that each cavity can play the effect of double-layer shielding.
Description
Technical Field
The invention relates to a test fixture, in particular to a test fixture for high-frequency detection of a Bluetooth module, and belongs to the technical field of Bluetooth module testing.
Background
The Bluetooth module is a PCBA board integrating the Bluetooth function, is used for short-distance wireless communication, and is divided into a Bluetooth data module and a Bluetooth voice module according to functions. The bluetooth module is a chip basic circuit set integrated with bluetooth function, is used for wireless network communication, and can be roughly divided into three types: data transmission module, bluetooth audio frequency + two unification modules of data etc.. The modules have the property of semi-finished products, and are processed on the basis of chips so as to make subsequent application simpler.
And in bluetooth module's production process, need carry out the high frequency detection to bluetooth module, just need test fixture in the testing process, test fixture's use is for guaranteeing test stability, general needs collocation shielded cell uses, current double-deck shielded cell structure is comparatively ripe, though can satisfy basic user demand, but in the in-service use in-process we discover, current double-deck shielded cell its inlayer shielded cell generally includes metal box and upper cover, the shield door that outer shielded cell design goes up and down alone, upper cover and shield door all open the back alone, product testing platform just can stretch out or retract, whole action is loaded down with trivial details, the structure is complicated, for this, we propose an optimization improvement back bluetooth module high frequency detection test fixture.
Disclosure of Invention
The invention aims to solve the problems and provide a high-frequency detection test fixture for a Bluetooth module, an inner layer shielding box is not provided with an upper cover opening and closing mechanism, an outer layer shielding box is not provided with a separate door plate lifting mechanism, the cost is reduced, the structure is effectively simplified, the structural action steps are reduced, the control is simpler, the program reaction time is faster, a plurality of stations can be expanded, a plurality of same test items or a plurality of different test items can be simultaneously carried out, and the effect of double-layer shielding can be ensured for each cavity.
Specific structural design is for driving product testing platform through two control cylinder, and during the platform withdrawal, the internal and external shielded cell is closed sealed simultaneously, when needs integrated a plurality of test station in the outer shielded cell, and this design also can guarantee that each cavity can both play double-deck shielded effect, can carry out a plurality of the same test items or a plurality of different test items simultaneously.
The invention realizes the purpose through the following technical scheme, and the clamp is used for a high-frequency detection test of a Bluetooth module and comprises a test rack, a display control all-in-one machine, a push-pull self-sealing type clamping mechanism, a top outer cover, an outer shielding box body and an inner shielding box body, wherein the outer shielding box body is fixedly arranged at the top of the test rack to play an outer shielding effect and ensure the basic shielding capability of the clamp;
when the Bluetooth module testing device is used in practice, a Bluetooth module to be tested is placed in the push-pull self-closing type clamping mechanism, the Bluetooth module is fixed and tested by the aid of movement of the push-pull self-closing type clamping mechanism, and when the push-pull self-closing type clamping mechanism retracts, the outer shielding box body and the inner shielding box body are sealed in a closed mode at the same time.
Preferably, the top of the outer shielding box body is provided with a mounting groove, a shielding interface module is arranged in the mounting groove, and the inner shielding box body is connected with the shielding interface module.
By adopting the scheme, the inner layer shielding box body can be connected with a control instrument through the specially-made shielding interface module, so that each cavity can play a sealing shielding effect, and the shielding function of the inner layer shielding box body is realized.
Preferably, the top cover is mounted on the top of the mounting groove by bolts.
By adopting the scheme, the mounting groove part is covered and protected, and the functionality of the invention is increased.
Preferably, the number of the test slots arranged in the outer-layer shielding box body is eight, and the inner-layer shielding box body and the push-pull self-closing type clamping mechanism are arranged in each test slot.
By adopting the scheme, when a plurality of test stations need to be integrated in the outer shielding box body, the design can also ensure that each cavity can play the effect of double-layer shielding, and a plurality of same test items or a plurality of different test items can be carried out simultaneously.
Preferably, a control computer, related control instruments and detection instruments are distributed in the test slot and the top outer cover of the test rack.
By adopting the scheme, equipment support is provided for test items, and the Bluetooth module can be conveniently and comprehensively tested.
Preferably, the outer layer shielding box body is distributed with control buttons and indicator lamps.
By adopting the scheme, the invention is more convenient to operate and manual operation, and can meet the requirement of full-automatic operation.
Preferably, the push-pull self-sealing type clamping mechanism comprises a fixed sliding rail, a shielding box rear side plate, a rear side sealing plate, a front side sealing plate, a reset platform, a control cylinder, a pressing cylinder, a product detection platform, a nitrogen spring and a guide rod, wherein the fixed sliding rail is arranged on the inner wall of the bottom of the test slot.
By adopting the scheme, the integral structure can move on the fixed slide rail, so that the whole structure is controlled to enter and exit, and the Bluetooth module can be conveniently placed in the test.
Preferably, the shielding box rear side plate is a constituent part of the inner shielding box body, the rear side sealing plate is connected with the front side sealing plate through supports on two sides, the pressing cylinder is fixedly installed on one side of the front side sealing plate, which faces the rear side sealing plate, the resetting platform is installed on the telescopic end of the pressing cylinder, and a nitrogen spring is further arranged between the resetting platform and the front side sealing plate.
By adopting the above scheme, utilize rear side closing plate with front side closing plate realizes sealed effect, constitutes the integral type support, through press down the flexible drive that can drive of cylinder the platform that resets goes up and down, utilizes the platform that resets with product testing platform's cooperation carries out fixed mounting to bluetooth module, and nitrogen spring's setting then can be used for the rising of platform that resets makes things convenient for bluetooth module's last unloading.
Preferably, the control cylinder is installed on the inner side wall of the inner shielding box body, and the telescopic end of the control cylinder is connected with the front side sealing plate.
By adopting the scheme, the position of the front side sealing plate can be adjusted by controlling the expansion of the air cylinder, and the front side sealing plate is used for the entrance and exit of the whole structure.
Preferably, the product detection platform is fixedly installed on one surface, facing the rear side sealing plate, of the front side sealing plate, the guide rod is fixedly arranged at the top of the product detection platform, and the guide rod is movably arranged on the reset platform in a penetrating mode.
By adopting the scheme, the reset platform can be stably lifted and moved at the top of the product detection platform, so that the Bluetooth module is fixedly installed, and the test precision is improved.
The invention has the beneficial effects that: the inner layer shielding box is not provided with an upper cover opening and closing mechanism, the outer layer shielding box is not provided with a separate door plate lifting mechanism, the cost is reduced, the structure is effectively simplified, the structural action steps are reduced, the control is simpler, the program reaction time is quicker, a plurality of stations can be expanded, a plurality of same test items or a plurality of different test items can be carried out at the same time, and the effect of double-layer shielding can be ensured for each cavity.
Specific structural design is for driving product testing platform through two control cylinder, and during the platform withdrawal, the internal and external shielded cell is closed sealed simultaneously, when needs integrated a plurality of test station in the outer shielded cell, and this design also can guarantee that each cavity can both play double-deck shielded effect, can carry out a plurality of the same test items or a plurality of different test items simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
FIG. 3 is a schematic structural view of the self-closing push-pull clamping mechanism of the present invention.
FIG. 4 is a side view of the push-pull self-sealing clamp of the present invention.
Fig. 5 is a partial enlarged view of a test slot portion of the present invention.
FIG. 6 is an enlarged partial view of the rear top of the concealed top cover of the present invention.
In the figure: 1. the device comprises a testing rack, 2, a display control integrated machine, 3, a push-pull self-sealing type clamping mechanism, 3-1, a fixed sliding rail, 3-2, a rear side plate of a shielding box, 3-3, a rear side sealing plate, 3-4, a front side sealing plate, 3-5, a reset platform, 3-6, a control cylinder, 3-7, a pressing cylinder, 3-8, a product detection platform, 3-9, a nitrogen spring, 3-10, a guide rod, 4, a top outer cover, 5, an outer shielding box body, 6, an inner shielding box body, 7, a shielding interface module, 8 and a testing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-6.
Example 1
The high-frequency detection test fixture for the Bluetooth module comprises a test rack 1, a display control all-in-one machine 2, a push-pull self-sealing type clamping mechanism 3, a top outer cover 4, an outer shielding box body 5 and an inner shielding box body 6, wherein the outer shielding box body 5 is fixedly arranged at the top of the test rack 1 to play an outer shielding effect and ensure the basic shielding capability of the high-frequency detection test fixture, the display control all-in-one machine 2 is fixedly arranged on the outer side wall of the outer shielding box body 5, and the display control all-in-one machine 2 is provided with a rotary support and can move on two sides of the outer shielding box body 5, so that the high-frequency detection test fixture is convenient to operate;
when the Bluetooth module testing device is in practical use, a Bluetooth module to be tested is placed in the push-pull self-closing type clamping mechanism 3, the Bluetooth module is fixed and tested by the aid of movement of the push-pull self-closing type clamping mechanism 3, and when the push-pull self-closing type clamping mechanism 3 retracts, the outer shielding box body 5 and the inner shielding box body 6 are closed and sealed simultaneously, when a plurality of testing stations need to be integrated in the outer shielding box body 5, the Bluetooth module testing device can ensure that each cavity can achieve a double-layer shielding effect, and can perform a plurality of same testing items or a plurality of different testing items simultaneously.
As a technical optimization scheme of the invention, as shown in fig. 2, the number of the test slots 8 formed in the outer-layer shielding box 5 is eight, and each test slot 8 is internally provided with the inner-layer shielding box 6 and the push-pull self-closing type clamping mechanism 3.
When the invention is practically used, when a plurality of test stations are required to be integrated in the outer shielding box body 5, the design can also ensure that each cavity can play a double-layer shielding effect, and a plurality of same test items or a plurality of different test items can be simultaneously carried out.
As a technical optimization scheme of the invention, a control computer, related control instruments and detection instruments are distributed in the test slots 8 and the top outer cover 4 of the test rack 1, and through the arrangement of the control computer, the related control instruments and the detection instruments, equipment support is provided for each test item of the invention, so that the invention is convenient for comprehensively testing the Bluetooth module.
As a technical optimization scheme of the invention, as shown in fig. 1, control buttons and indicator lights are distributed on the outer shielding box 5, by adopting the scheme, the invention is more convenient in operation, convenient for manual operation, and simultaneously can meet the requirement of full-automatic operation, in the actual use process, each component can be controlled and operated by utilizing the regulation and control of each button, and the automatic operation can be realized by program setting, so that the functionality is stronger.
Example 2
In this embodiment, a shielding interface module 7 is disposed on the top of the outer shielding box 5 on the basis of embodiment 1, for ensuring the shielding effect, as shown in fig. 5, a mounting groove is disposed on the top of the outer shielding box 5, the shielding interface module 7 is disposed in the mounting groove, and the inner shielding box 6 is connected to the shielding interface module 7.
When the invention is practically used, the inner layer shielding box body 6 can be connected with a control instrument through the specially-made shielding interface module 7, thereby ensuring that each cavity can play a role of sealing and shielding and realizing the shielding function of the inner layer shielding box body 6.
As a technical optimization scheme of the invention, as shown in figure 1, the top cover 4 is mounted on the top of the mounting groove through bolts, and by adopting the scheme, when the invention is practically used, the top cover 4 is used for covering and protecting the mounting groove part, so that the functionality of the invention is increased.
Example 3
In this embodiment, the structure of the push-pull self-sealing type clamping mechanism 3 is customized on the basis of embodiment 1, as shown in fig. 3 and 4, the push-pull self-sealing type clamping mechanism 3 includes a fixed slide rail 3-1, a rear side plate 3-2 of a shielding box, a rear side sealing plate 3-3, a front side sealing plate 3-4, a reset platform 3-5, a control cylinder 3-6, a pressing cylinder 3-7, a product detection platform 3-8, a nitrogen spring 3-9, and a guide rod 3-10, and the fixed slide rail 3-1 is disposed on the inner wall of the bottom of the test slot 8.
When the Bluetooth module embedding test device is actually used, the integral structure can move on the fixed slide rail 3-1, so that the entrance and exit of the integral structure are controlled, and the Bluetooth module embedding test is facilitated.
As a technical optimization scheme of the invention, as shown in figures 3 and 4, a rear side plate 3-2 of a shielding box is a component of an inner shielding box body 6, a rear side sealing plate 3-3 is connected with a front side sealing plate 3-4 through brackets at two sides, a pressing cylinder 3-7 is fixedly installed at one side of the front side sealing plate 3-4 facing the rear side sealing plate 3-3, a resetting platform 3-5 is installed at the telescopic end of the pressing cylinder 3-7, and a nitrogen spring 3-9 is further arranged between the resetting platform 3-5 and the front side sealing plate 3-4.
When the Bluetooth module is actually used, the rear side sealing plate 3-3 and the front side sealing plate 3-4 are used for achieving a sealing effect to form an integrated support, the reset platform 3-5 can be driven to lift through the extension and retraction of the pressing cylinder 3-7, the Bluetooth module is fixedly installed through the matching of the reset platform 3-5 and the product detection platform 3-8, and the nitrogen spring 3-9 can be used for lifting and resetting the reset platform 3-5, so that the Bluetooth module can be conveniently loaded and unloaded.
As a technical optimization scheme of the invention, as shown in figures 3 and 4, the control cylinder 3-6 is installed on the inner side wall of the inner layer shielding box body 6, and the telescopic end of the control cylinder 3-6 is connected with the front side sealing plate 3-4, by adopting the structure, the position of the front side sealing plate 3-4 can be adjusted by the telescopic end of the control cylinder 3-6, and the control cylinder is used for the entrance and exit of the whole structure.
As a technical optimization scheme of the invention, as shown in FIGS. 3 and 4, a product detection platform 3-8 is fixedly arranged on one surface of a front side sealing plate 3-4 facing a rear side sealing plate 3-3, a guide rod 3-10 is fixedly arranged at the top of the product detection platform 3-8, and the guide rod 3-10 is movably arranged on a reset platform 3-5 in a penetrating manner, so that the reset platform 3-5 can stably lift and move at the top of the product detection platform 3-8, the fixed installation of a Bluetooth module is realized, and the test precision is improved.
The working principle is as follows: when the Bluetooth module clamping device is in practical use, the position of the front side sealing plate 3-4 is controlled to move by controlling the expansion and contraction of the cylinder 3-6, so that the integrated bracket formed by the rear side sealing plate 3-3 and the front side sealing plate 3-4 is controlled to move, when a Bluetooth module is required to be clamped and tested, the rear side sealing plate 3-3 and the front side sealing plate 3-4 are controlled to push out the test slot 8, then the pressing cylinder 3-7 is controlled to retract to drive the reset platform 3-5 to rise, then the Bluetooth module is placed on the product detection platform 3-5, then the reset platform 3-5 is controlled to fall, the Bluetooth module is fixedly installed by utilizing the matching of the reset platform 3-5 and the product detection platform 3-8, and the nitrogen spring 3-9 can be used for rising reset of the reset platform 3-5, make things convenient for bluetooth module's last unloading.
After the Bluetooth module is placed and fixed, the Bluetooth module is retracted into the outer shielding box body 5 and the inner shielding box body 6 through the control cylinders 3-6, the Bluetooth module is comprehensively tested by utilizing the arrangement of a control computer, a related control instrument and a detection instrument, compared with a traditional test fixture, the Bluetooth module test fixture has the advantages that the product detection platform is driven by the two control cylinders, when the platform is retracted, the outer shielding box body 5 and the inner shielding box body 6 are closed and sealed simultaneously, when a plurality of test stations need to be integrated in the outer shielding box body 5, the design can also ensure that each cavity can play a double-layer shielding effect, and a plurality of same test items or a plurality of different test items can be simultaneously carried out.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A be used for bluetooth module high frequency to detect test fixture, its characterized in that: the automatic self-sealing type display and control device comprises a testing rack (1), a display and control integrated machine (2), a push-pull self-sealing type clamping mechanism (3), a top outer cover (4), an outer shielding box body (5) and an inner shielding box body (6), wherein the outer shielding box body (5) is fixedly arranged at the top of the testing rack (1), and the display and control integrated machine (2) is fixedly arranged on the outer side wall of the outer shielding box body (5);
the testing groove (8) is formed in one side of the outer shielding box body (5), the inner shielding box body (6) is fixedly arranged in the testing groove (8), and the push-pull self-closing type clamping mechanism (3) is arranged in the inner shielding box body (6).
2. The high frequency test fixture for bluetooth module according to claim 1, wherein: the top of the outer shielding box body (5) is provided with a mounting groove, a shielding interface module (7) is arranged in the mounting groove, and the inner shielding box body (6) is connected with the shielding interface module (7).
3. The high frequency test fixture for bluetooth module according to claim 2, wherein: the top cover (4) is mounted at the top of the mounting groove through bolts.
4. The high frequency test fixture for bluetooth module according to claim 1, wherein: the number of the test slots (8) arranged in the outer layer shielding box body (5) is eight, and the inner layer shielding box body (6) and the push-pull self-closing type clamping mechanism (3) are arranged in each test slot (8).
5. The high frequency test fixture for bluetooth module according to claim 1, wherein: and control computers, related control instruments and detection instruments are distributed in the test slots (8) and the top outer cover (4) of the test rack (1).
6. The high frequency test fixture for bluetooth module according to claim 1, wherein: and the outer layer shielding box body (5) is provided with control buttons and indicator lamps in a distributed manner.
7. The high frequency test fixture for bluetooth module according to claim 1, wherein: the push-pull self-sealing type clamping mechanism (3) comprises a fixed sliding rail (3-1), a shielding box rear side plate (3-2), a rear side sealing plate (3-3), a front side sealing plate (3-4), a reset platform (3-5), a control cylinder (3-6), a pressing cylinder (3-7), a product detection platform (3-8), a nitrogen spring (3-9) and a guide rod (3-10), wherein the fixed sliding rail (3-1) is arranged on the inner wall of the bottom of the test slot (8).
8. The high frequency test fixture for bluetooth module according to claim 7, wherein: the shielding box comprises an inner shielding box body (6) and is characterized in that a rear side plate (3-2) of the shielding box is a component of the inner shielding box body (6), a rear side sealing plate (3-3) is connected with a front side sealing plate (3-4) through supports on two sides, a pressing cylinder (3-7) is fixedly installed on one side, facing the rear side sealing plate (3-3), of the front side sealing plate (3-4), a resetting platform (3-5) is installed on a telescopic end of the pressing cylinder (3-7), and a nitrogen spring (3-9) is further arranged between the resetting platform (3-5) and the front side sealing plate (3-4).
9. The high frequency test fixture for bluetooth module according to claim 8, wherein: the control cylinder (3-6) is installed on the inner side wall of the inner shielding box body (6), and the telescopic end of the control cylinder (3-6) is connected with the front side sealing plate (3-4).
10. The high frequency test fixture for bluetooth module according to claim 9, wherein: the product detection platform (3-8) is fixedly arranged on one surface, facing the rear side sealing plate (3-3), of the front side sealing plate (3-4), the guide rod (3-10) is fixedly arranged at the top of the product detection platform (3-8), and the guide rod (3-10) is movably arranged on the reset platform (3-5) in a penetrating mode.
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| CN202111589999.4A CN114414983A (en) | 2021-12-23 | 2021-12-23 | High-frequency detection test fixture for Bluetooth module |
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| CN202111589999.4A CN114414983A (en) | 2021-12-23 | 2021-12-23 | High-frequency detection test fixture for Bluetooth module |
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| 王幸之 等: "单片机应用系统电磁干扰与抗干扰技术", 31 December 2006, 北京航空航天大学出版社, pages: 100 - 102 * |
| 秦孔建: "智能网联汽车测试与评价技术", 30 September 2021, 机械工业出版社, pages: 91 - 94 * |
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