CN203259821U - Portable type industrial wireless interference acquisition reappearing device - Google Patents
Portable type industrial wireless interference acquisition reappearing device Download PDFInfo
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- CN203259821U CN203259821U CN 201320224579 CN201320224579U CN203259821U CN 203259821 U CN203259821 U CN 203259821U CN 201320224579 CN201320224579 CN 201320224579 CN 201320224579 U CN201320224579 U CN 201320224579U CN 203259821 U CN203259821 U CN 203259821U
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Abstract
The utility model discloses a portable type industrial wireless interference acquisition reappearing device comprising a mixed signal front-end processor, which is connected with an orthogonal upper mixer, an orthogonal lower mixer, a digital lower frequency converter, and a digital upper frequency converter. The digital lower frequency converter and the digital upper frequency converter are connected with a controller, and the controller is connected with a USB interface. The utility model is advantageous in that the on-site industrial wireless interface can be acquired and stored, and the acquired interference can be reappeared by the radio frequency circuit, and therefore the strong guarantee can be provided for the industrial wireless system analysis and simulation test.
Description
Technical field
The utility model relates to a kind of air interference acquisition instrument, is specifically related to a kind of Portable industrial air interference and gathers reproduction apparatus.
Background technology
After fieldbus and Industrial Ethernet, wireless industrial becomes the new study hotspot of industrial automation.Replace the communications cable with wireless channel, for commercial Application has been saved a large amount of installation and maintenance costs, and expand and the aspect such as reconstruct has incomparable advantage in system.At present, the technology such as ZigBee, WiFi, bluetooth etc. are progressively used in industry measurement and control system, wireless industrial product and constantly application and the releases of international standard such as wireless HART, SP100.The wireless industrial large-scale application becomes industrial trend.
On the other hand, the industry spot electromagnetic environment is complicated, and serious interference affects Reliability of Wireless Communication and determinacy, the major obstacle that becomes the operation of wireless industrial system and promote.Gather monitoring industry spot electromagnetic interference (EMI), and then analyze, significant to the operation maintenance of wireless industrial system; To collection result effectively store, processing and playback reproduce, the industry spot electromagnetic environment of Simulation of Complex, then for the research and development of wireless industrial product systems and design, significant.
The utility model content
The purpose of this utility model is to overcome the above problem that prior art exists, provide a kind of Portable industrial air interference to gather reproduction apparatus, the utility model is realized the interference of collection site wireless industrial and is stored, also the interference that gathers can be reproduced by radio circuit, thereby provide powerful guarantee for wireless industrial systematic analysis and simulation test.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
The Portable industrial air interference gathers reproduction apparatus, comprise the mixed signal front-end processor, described mixed signal front-end processor is connected with quadrature upper frequency mixer, orthogonal down-conversion mixer, digital down converter and digital up converter, described digital down converter is connected with digital up converter and is connected with controller, and described controller is connected with USB interface.
Further, described quadrature upper frequency mixer is connected with the first signal generator.
Further, described orthogonal down-conversion mixer is connected with the secondary signal generator.
The beneficial effects of the utility model are:
The utility model is intended to solve the interference that needs to be resolved hurrily in the wireless industrial application process intercepts and the signal generation technique.System realizes collection and the reproduction of industry spot undesired signal through radio-frequency (RF) acquisition, Frequency mixing processing, high-speed AD and the technology such as DA, Up/Down Conversion jaw and DSP processing.System carries out data by the high-performance 32-bit processor and processes, and can store by standard USB interface, is convenient to follow-up data and processes, and it is convenient to realize, has and uses and promotional value.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, below with preferred embodiment of the present utility model and cooperate accompanying drawing to be described in detail as follows.Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is one-piece construction synoptic diagram of the present utility model.
Number in the figure explanation: 1, mixed signal front-end processor, 2, the quadrature upper frequency mixer, 3, orthogonal down-conversion mixer, 4, digital down converter, 5, digital up converter, 6, controller, 7, USB interface, 8, the first signal generator, 9, the secondary signal generator.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
With reference to shown in Figure 1, the Portable industrial air interference gathers reproduction apparatus, comprise mixed signal front-end processor 1, described mixed signal front-end processor 1 and quadrature upper frequency mixer 2, orthogonal down-conversion mixer 3, digital down converter 4 are connected with digital up converter and are connected, described digital down converter 4 is connected with digital up converter and all is connected with controller 6, and described controller 6 is connected with USB interface 7.
Further, described quadrature upper frequency mixer 2 is connected with first signal generator 8.
Further, described orthogonal down-conversion mixer 3 is connected with secondary signal generator 9.
The principle of work of present embodiment is as follows:
Industrial electromagnetic interference signal enters the intermediate-freuqncy signal circuit and carries out the Digital Down Convert processing, thereby be converted into the narrow band signal of low speed after processing through radiofrequency signal reception and mixed frequency signal, then is transferred to the master controller storage; Produce or playback electromagnetic interference signal situation for needs, controller 6 enters the intermediate-freuqncy signal circuit and carries out the Digital Up Convert processing from memory read data, launches after processing by mixed frequency signal again.
The radiofrequency signal transmitting-receiving comprises ADF4360, AD8347 and AD8349 with signal processing, and the wireless industrial undesired signal of input is carried out the mixing of quadrature up/down, and the in/out signal form is the auxiliary several intermediate-freuqncy signals of IQ.Wherein, ADF4360-0 is the programmable signal generator of radio frequency in the radio frequency 2.3-2.7GHz, and AD8347/ AD8349 is down-conversion mixer on the quadrature.
Intermediate-freuqncy signal is finished dealing with intermediate frequency to the conversion of baseband signal; In sending the road, the digital medium-frequency signal conversion of baseband signal to analog intermediate frequency of finishing dealing with.In the design, adopt AD9862 mixed signal front-end processor 1, AD6620 digital down converter 4 and AD6622 digital up converter 5 to finish above-mentioned functions.
Controller 6 and interface circuit are take the MCF52223 of freescale company as core.MCF52223 is Freescale single-chip 32 level controller chips, integrated 256Kflash, 32KRAM, general purpose I/O and USB module on ColdFire V2 kernel, USB module pin USB_DP and USB_DM meet respectively D+ and the D-that 33 Ω resistance are directly connected to USB interface in the design, both can store undesired signal with USB flash disk in the system.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. the Portable industrial air interference gathers reproduction apparatus, it is characterized in that: comprise mixed signal front-end processor (1), described mixed signal front-end processor (1) is connected 5 with quadrature upper frequency mixer (2), orthogonal down-conversion mixer (3), digital down converter (4) with digital up converter) be connected, described digital down converter (4) is connected 5 with digital up converter) all be connected with controller (6), described controller (6) is connected with USB interface (7).
2. Portable industrial air interference according to claim 1 gathers reproduction apparatus, and it is characterized in that: described quadrature upper frequency mixer (2) is connected with first signal generator (8).
3. Portable industrial air interference according to claim 1 gathers reproduction apparatus, and it is characterized in that: described orthogonal down-conversion mixer (3) is connected with secondary signal generator (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224579 CN203259821U (en) | 2013-04-28 | 2013-04-28 | Portable type industrial wireless interference acquisition reappearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224579 CN203259821U (en) | 2013-04-28 | 2013-04-28 | Portable type industrial wireless interference acquisition reappearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259821U true CN203259821U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320224579 Expired - Fee Related CN203259821U (en) | 2013-04-28 | 2013-04-28 | Portable type industrial wireless interference acquisition reappearing device |
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| Country | Link |
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| CN (1) | CN203259821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226332A (en) * | 2013-04-28 | 2013-07-31 | 苏州科技学院 | Portable industrial wireless interference collection and recurrence instrument |
| CN104080205A (en) * | 2014-05-19 | 2014-10-01 | 苏州市职业大学 | Millimeter-wave wireless communication industrial Ethernet gateway |
-
2013
- 2013-04-28 CN CN 201320224579 patent/CN203259821U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226332A (en) * | 2013-04-28 | 2013-07-31 | 苏州科技学院 | Portable industrial wireless interference collection and recurrence instrument |
| CN104080205A (en) * | 2014-05-19 | 2014-10-01 | 苏州市职业大学 | Millimeter-wave wireless communication industrial Ethernet gateway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140428 |