CN106199179A - Frequency testing device and method - Google Patents
Frequency testing device and method Download PDFInfo
- Publication number
- CN106199179A CN106199179A CN201610466617.1A CN201610466617A CN106199179A CN 106199179 A CN106199179 A CN 106199179A CN 201610466617 A CN201610466617 A CN 201610466617A CN 106199179 A CN106199179 A CN 106199179A
- Authority
- CN
- China
- Prior art keywords
- frequency
- measured
- signal
- unit
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses the test device of a kind of chip frequency, belong to electricity field, this device includes frequency acquisition unit, frequency processing unit and control unit, control unit controls frequency acquisition unit and receives frequency signal to be measured, frequency acquisition unit sends frequency signal to be measured to frequency processing unit, frequency signal to be measured is carried out form and is converted to the digital fre-quency signal that outside automatic detection instrument is supported by frequency processing unit, digital fre-quency signal is sent to control unit, the digital fre-quency signal output that control unit will receive by frequency processing unit.The frequency signal to be measured of the present invention exports with digital fre-quency signal, can intuitively understand the numerical value of frequency, and after frequency signal to be measured being converted to the discernible signal of automatic tester by frequency processing unit, frequency can be automatically detected by being connected realization with automatic tester, reduce artificial intervention, improve reliability.The invention also discloses a kind of frequency test method, the accuracy of frequency test result can be improved.
Description
Technical field
The present invention relates to electricity field, particularly to a kind of frequency testing device and method.
Background technology
At present, to the test of electronic equipment with control, need electronic equipment is carried out frequency test, set according to electronics
Standby different frequency, evaluates electronic equipment and is grouped, and dividing the price of electronic equipment.Electronics traditionally
The evaluation of the frequency of equipment and packet are to be completed by interpositioning, and this measurement result is shown by oscillography form,
Can not be the most directly perceived.Further, having artificial intervention in complicated test process, reliability is low, on a large scale
In electronic equipment frequency test, cost is the highest, and then improves the price of electronic equipment.
Summary of the invention
For solving the problems referred to above, the invention provides a kind of frequency testing device and method.
According to an aspect of the invention, it is provided a kind of frequency testing device, including frequency acquisition unit, frequency processing
Unit and control unit, control unit controls frequency acquisition unit and receives frequency signal to be measured, and frequency acquisition unit sends to be measured
Frequency signal is to frequency processing unit, and frequency signal to be measured is carried out form and is converted to outside automatic tester by frequency processing unit
The digital fre-quency signal that device is supported, digital fre-quency signal is sent to control unit by frequency processing unit, and control unit will receive
The digital fre-quency signal output arrived.
In some embodiments, also including frequency filter unit, frequency filter unit receives the input of frequency acquisition unit
Frequency signal to be measured, and treat measured frequency signal and filter, remove invalid frequency, and frequency signal to be measured is sent extremely
Frequency processing unit.Thus, interference after idling frequency being filtered out, can be reduced, improve testing efficiency.
In some embodiments, also including frequency unit, the frequency signal to be measured filtered is sent to dividing by filter element
Frequently unit, frequency unit will treat that measured frequency is divided at least one group of frequencies, and the frequency in group of frequencies is the same order of magnitude, and frequency dividing is single
The frequency signal to be measured of packet is sent to frequency processing unit by unit.Thus, it is possible to clearly treat the particular number level of measured frequency, just
In statistics.
In some embodiments, also including frequency comparing unit, frequency comparing unit receives dividing of frequency unit input
Frequency signal to be measured after group, and the order of magnitude between group of frequencies is compared, and arrangement obtains minimum number magnitude from small to large
Group of frequencies and maximum number magnitude group of frequencies, compare the frequency in minimum number magnitude group of frequencies and obtain low-limit frequency
Signal, compares the frequency in maximum number magnitude group of frequencies and obtains highest frequency signal, and frequency comparing unit will compare
The frequency signal to be measured that arrives sends to frequency processing unit, and wherein, frequency signal to be measured includes low-limit frequency signal and high frequency
Rate signal.Thus, it is possible to obtain treating the minimum of measured frequency and peak, convenient evaluation and packet.
According to another aspect of the present invention, it is provided that a kind of frequency test method, comprise the following steps:
S1: receive frequency signal to be measured；
S2: frequency signal to be measured is carried out form and is converted to the digital fre-quency signal that automatic detection instrument is supported；
S3: by the frequency signal output after form conversion in step S2.
In some embodiments, after step S1, before step S2, also include:
S11: treat measured frequency signal and filter, remove invalid frequency.
In some embodiments, after step s 11, before step S2, also include:
S12: will filter after treat that measured frequency is divided at least one group of frequencies, the frequency in group of frequencies is the same order of magnitude.
In some embodiments, after step s 12, before step S2, also include:
S13: the order of magnitude between group of frequencies is compared, and from small to large arrangement obtain minimum number magnitude group of frequencies with
Big order of magnitude group of frequencies, obtains low-limit frequency signal after the frequency in minimum number magnitude group of frequencies being compared, will the most again
Frequency in maximum number magnitude group of frequencies obtains highest frequency signal after comparing.
The frequency signal to be measured of the present invention exports with digital fre-quency signal, can intuitively understand the numerical value of frequency, and pass through
After frequency signal to be measured is converted to the discernible signal of automatic tester by frequency processing unit, can be by with automatic tester even
Connect realization and automatically detect frequency, reduce artificial intervention, improve reliability.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the frequency testing device of one embodiment of the present invention；
Fig. 2 is the schematic diagram of the frequency testing device of another embodiment of the present invention；
Fig. 3 is the flow chart of the frequency test method of one embodiment of the present invention；
Fig. 4 is the flow chart of the frequency test method of another embodiment of the present invention；
Fig. 5 is the frequency testing system figure of one embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described.
Embodiment one
As it is shown in figure 1, the embodiment of the present invention provides a kind of frequency testing device, including frequency acquisition unit 1, frequency processing
Unit 2 and control unit 3.Frequency acquisition unit 1 is connected with electronic equipment to be measured, and control unit 3 controls frequency acquisition unit 1 and connects
Receiving the frequency signal to be measured of electronic equipment to be measured input and send to frequency processing unit 2, frequency processing unit 2 will treat measured frequency
Signal carries out form and is converted to the digital fre-quency signal of automatic detection instrument support and sends to control unit 3, thus, treats frequency measurement
Rate signal shows with digital signal, and more intuitively, meanwhile, signal is converted into the signal that automatic detection instrument is supported so that should
Device can be with automatic detection instrument communication, the digital fre-quency signal output that control unit 3 will receive.
Embodiment two
As in figure 2 it is shown, the another kind of frequency testing device that the embodiment of the present invention provides, including frequency acquisition unit 1, frequency
Filter element 11, frequency unit 12, frequency comparing unit 13, frequency processing unit 2 and control unit 3.Frequency acquisition unit 1 with
Electronic equipment to be measured connect after, control unit 3 control frequency acquisition unit 1 receive electronic equipment to be measured input treat that measured frequency is believed
Number and send to frequency filter unit 11, frequency filter unit 11 is treated measured frequency signal and is filtered, and removes invalid frequency,
Reducing interference, improve testing efficiency, and the frequency signal to be measured after filtering sends to frequency unit 12, frequency unit 12 will
Frequency signal to be measured is divided at least one group of frequencies, and the frequency in group of frequencies is the same order of magnitude, clearly treats the concrete of measured frequency
The order of magnitude, it is simple to statistics, the grade classification of the most tested electronic equipment.Frequency signal to be measured after packet is sent out by frequency unit 12
Delivering to frequency comparing unit 13, the order of magnitude between group of frequencies is compared, and arranges from small to large by frequency comparing unit 13
To minimum number magnitude group of frequencies and maximum number magnitude group of frequencies, the most again the frequency in minimum number magnitude group of frequencies is compared
After obtain low-limit frequency signal, obtain highest frequency signal after the frequency in maximum number magnitude group of frequencies being compared, so
Just according to low-limit frequency and highest frequency, tested electronic equipment can be estimated classification and the reference as pricing practice.Contain
Frequency signal to be measured after the packet of low-limit frequency signal and highest frequency signal is sent to frequency by frequency comparing unit 13
Reason unit 2, the signal received is carried out form conversion, form is converted to automatic detection instrument support by frequency processing unit 2
Digital fre-quency signal, so so that this device can detect frequency automatically with automatic detection instrument communication, reduce artificial
Intervention, improve reliability, and signal will export with digital fre-quency signal, data can be recorded intuitively.Through form after
Frequency signal after conversion exports through control unit 3.
In other embodiments, frequency filter unit 11, now, this dress can only be increased on the basis of embodiment one
Put be to filter after treat that measured frequency is tested；Also frequency filter unit 11 and frequency unit 12, now, this dress can only be increased
Put is that line number magnitude packet of going forward side by side after filtering being treated, measured frequency is tested；On the other hand frequency unit 12 can only be increased,
Now, varying number level group can be treated that measured frequency is tested by this device；Can also only increase frequency unit 12 and frequency
Comparing unit 13, now, this device can record low-limit frequency and the highest frequency treating measured frequency.
Embodiment three
As it is shown on figure 3, a kind of frequency test method that the present invention provides, including three steps:
S1: receive frequency signal to be measured；
S2: frequency signal to be measured is carried out form and is converted to the digital fre-quency signal that automatic detection instrument is supported；
S3: by the frequency signal output after form conversion in step S2.
Form conversion in step S2 can also be converted into other form, uses which kind of detecting instrument to survey as required
Examination, is converted into the discernible form of detecting instrument.
Embodiment four
As shown in Figure 4, the another kind of frequency test method of the present invention, comprise the following steps:
S1: receive frequency signal to be measured；
S11: treat measured frequency signal and filter, remove invalid frequency；
S12: will filter after treat that measured frequency is divided at least one group of frequencies, the frequency in group of frequencies is the same order of magnitude；
S13: the order of magnitude between group of frequencies is compared, and from small to large arrangement obtain minimum number magnitude group of frequencies with
Big order of magnitude group of frequencies, obtains low-limit frequency signal after the frequency in minimum number magnitude group of frequencies being compared, will the most again
Frequency in maximum number magnitude group of frequencies obtains highest frequency signal after comparing, finally output includes low-limit frequency signal
Frequency signal to be measured with highest frequency signal；
S2: frequency signal to be measured is carried out form and is converted to the digital fre-quency signal that automatic detection instrument is supported；
S3: by the frequency signal output after form conversion in step S2.
In above step, the frequency signal to be measured in step S2 refer in step S13 include low-limit frequency signal and
The frequency signal to be measured of highest frequency signal.
In other embodiments, can only increase step S11 on the basis of embodiment three, now, the method obtains
Be to the test of frequency signal to be measured after filtering；Also can only increase step S11 and S12, now, the method be to filtering after
And the test of the frequency signal to be measured being grouped；And also can only increase step S12, now, the method is can to obtain treating frequency measurement
The test of rate order of magnitude distribution, additionally can also only increase step S12 and S13, and now, the method is can to obtain treating measured frequency
Low-limit frequency signal and the test of highest frequency signal.
Embodiment five
As it is shown in figure 5, a kind of test system of the present invention, including Automatic Test Equipment and frequency test as above
Device and USB interface, USB interface is used for and display device communication., the digital fre-quency signal that control unit 3 will receive exports
To Automatic Test Equipment, Automatic Test Equipment feedback test result is to control unit 3, and then control unit 3 will by USB interface
Signal exports to display device.Wherein, Automatic Test Equipment is whether the frequency signal that automatic identification control unit 3 inputs falls
In the frequency range set, it is not necessary to judge whether institute's measured frequency meets the requirements again after artificial reading.
In other embodiments, this test system be connected with the USB of display device could alternatively be wifi connect or
Bluetooth connects.
Owing to major part electronic equipment frequency is the highest, it is previously mentioned " invalid frequency " and is meant less than the frequency of 10Hz
Rate, this setting value is the degree of accuracy in order to improve test, and reduces the complexity that follow-up numerical value processes, and improves testing efficiency.
Above-described is only some embodiments of the present invention, it is noted that for those of ordinary skill in the art
For, on the premise of the creation without departing from the present invention is conceived, it is also possible to make other deformation and improve, broadly falling into the present invention's
Protection domain.
Claims (8)
1. a frequency testing device, it is characterised in that include frequency acquisition unit (1), frequency processing unit (2) and control single
Unit (3), described control unit (3) controls described frequency acquisition unit (1) and receives frequency signal to be measured, described frequency acquisition unit
(1) sending frequency signal to be measured extremely described frequency processing unit (2), frequency signal to be measured is entered by described frequency processing unit (2)
Row format is converted to the digital fre-quency signal that outside automatic detection instrument is supported, described frequency processing unit (2) is by numerical frequency
Signal sends to described control unit (3), the digital fre-quency signal output that described control unit (3) will receive.
Frequency testing device the most according to claim 1, it is characterised in that also include frequency filter unit (11), described
Frequency filter unit (11) receives the frequency signal to be measured that described frequency acquisition unit (1) inputs, described frequency filter unit
(11) treating measured frequency signal to filter, remove invalid frequency, described frequency filter unit (11) treats frequency measurement by filter
Rate signal sends to described frequency processing unit (2).
Frequency testing device the most according to claim 2, it is characterised in that also include frequency unit (12), described filtration
The frequency signal to be measured filtered is sent to described frequency unit (12) by unit (11), and described frequency unit (12) will treat measured frequency
Being divided at least one group of frequencies, the frequency in described group of frequencies is the same order of magnitude, and described frequency unit (12) is treated packet
Measured frequency signal sends to described frequency processing unit (2).
Frequency testing device the most according to claim 3, it is characterised in that also include frequency comparing unit (13), described
Frequency comparing unit (13) receives the frequency signal to be measured of the packet that described frequency unit (12) inputs, described frequency comparing unit
(13) order of magnitude between group of frequencies is compared, and arrangement obtains minimum number magnitude group of frequencies and maximum number magnitude from small to large
Group of frequencies, then obtain low-limit frequency signal after the frequency in minimum number magnitude group of frequencies being compared, by maximum number magnitude frequency
Frequency in rate group compares and obtains highest frequency signal, described frequency comparing unit (13) by compare obtain treat measured frequency
Signal sends to described frequency processing unit (2), and wherein, the described frequency signal to be measured obtained that compares includes low-limit frequency signal
With highest frequency signal.
5. a frequency test method, it is characterised in that including:
S1: receive frequency signal to be measured；
S2: frequency signal to be measured is carried out form and is converted to the digital fre-quency signal that automatic detection instrument is supported；
S3: by the frequency signal output after form conversion in step S2.
Frequency test method the most according to claim 5, it is characterised in that after described step S1, before step S2,
Also include:
S11: treat measured frequency signal and filter, remove invalid frequency.
Frequency test method the most according to claim 6, it is characterised in that after described step S11, step S2 it
Before, also include:
S12: will filter after treat that measured frequency is divided at least one group of frequencies, the frequency in described group of frequencies to be the same order of magnitude.
Frequency test method the most according to claim 7, it is characterised in that after described step S12, step S2 it
Before, also include:
S13: the order of magnitude between group of frequencies is compared, and arrangement obtains minimum number magnitude group of frequencies and maximum number from small to large
Magnitude frequency group, obtains low-limit frequency signal, by maximum after the frequency in minimum number magnitude group of frequencies being compared the most again
Frequency in order of magnitude group of frequencies obtains highest frequency signal after comparing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466617.1A CN106199179A (en) | 2016-06-22 | 2016-06-22 | Frequency testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466617.1A CN106199179A (en) | 2016-06-22 | 2016-06-22 | Frequency testing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106199179A true CN106199179A (en) | 2016-12-07 |
Family
ID=57461395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610466617.1A Pending CN106199179A (en) | 2016-06-22 | 2016-06-22 | Frequency testing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106199179A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376430A (en) * | 2019-07-17 | 2019-10-25 | 广州市伟粤通讯设备有限公司 | A kind of communication component evaluation system based on big data |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386447Y (en) * | 1998-07-29 | 2000-07-05 | 四川长虹电子集团公司 | Frequency tester |
| US20030011444A1 (en) * | 2001-07-10 | 2003-01-16 | Alcatel | Multi-channel frequency multiplexer with small dimension |
| CN101162398A (en) * | 2006-10-12 | 2008-04-16 | 东莞理工学院 | Arbitrarily signal generating device |
| CN102135566A (en) * | 2010-01-22 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Frequency testing system and frequency testing method |
| CN105158557A (en) * | 2015-08-19 | 2015-12-16 | 河南科技大学 | Frequency test method and corresponding frequency test system |
-
2016
- 2016-06-22 CN CN201610466617.1A patent/CN106199179A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386447Y (en) * | 1998-07-29 | 2000-07-05 | 四川长虹电子集团公司 | Frequency tester |
| US20030011444A1 (en) * | 2001-07-10 | 2003-01-16 | Alcatel | Multi-channel frequency multiplexer with small dimension |
| CN101162398A (en) * | 2006-10-12 | 2008-04-16 | 东莞理工学院 | Arbitrarily signal generating device |
| CN102135566A (en) * | 2010-01-22 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Frequency testing system and frequency testing method |
| CN105158557A (en) * | 2015-08-19 | 2015-12-16 | 河南科技大学 | Frequency test method and corresponding frequency test system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376430A (en) * | 2019-07-17 | 2019-10-25 | 广州市伟粤通讯设备有限公司 | A kind of communication component evaluation system based on big data |
| CN110376430B (en) * | 2019-07-17 | 2020-05-22 | 广州市伟粤通讯设备有限公司 | Communication components and parts test evaluation system based on big data |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107589391B (en) | Method, device and system for detecting integral error of electric energy metering device | |
| CN102012444B (en) | Oscilloscope and method for testing serial bus signal by using same | |
| CN205229440U (en) | A detecting system for detecting partial discharge detector | |
| CN105676088A (en) | Device and method for testing fault arc detection apparatus | |
| CN103760394A (en) | Automatic processing method and device for measured data of oscilloscope | |
| CN105301382A (en) | Electronic device and detection method thereof | |
| CN104765664A (en) | PCI (Peripheral Component Interface) equipment detection system and method | |
| CN107782964A (en) | Alternative output pulse signal frequency and measuring system, the measuring method counted | |
| CN109060004A (en) | A kind of humiture data acquisition system | |
| CN107181538A (en) | A kind of intermediate-freuqncy signal power-sensing circuit and detection method | |
| CN106199179A (en) | Frequency testing device and method | |
| CN104698316B (en) | Connection status detection circuit, internal resistance of cell detection means, cell tester | |
| CN203658521U (en) | Mobile insulation supervision instrument of transformer station DC system | |
| CN202915884U (en) | Winding deformation tester | |
| CN102004177B (en) | Oscilloscope and method for identifying time sequence of universal serial bus signals by using same | |
| CN102721878A (en) | Intelligentized automatic checkout device of quartz crystal oscillator instrument | |
| CN103344893A (en) | Distributed cable partial discharge measuring method based on frequency conversion series resonance high-voltage holding test | |
| CN117169779A (en) | Broken line detection method of fuel cell monolithic voltage inspection device | |
| CN103698639A (en) | System and method for automatically measuring waveform parameters of crystal oscillator | |
| CN103675613A (en) | Transformer station DC system movable type insulation supervision instrument | |
| CN203788304U (en) | Device for testing function of hardware interface | |
| CN105510934A (en) | GNSS module detection system and GNSS module detection method | |
| CN203825457U (en) | Cigarette making and tipping machine set control system based on K-BUS bus | |
| CN206056742U (en) | A kind of test system for detecting water flow sensor parameter | |
| CN109655660A (en) | It is a kind of adaptively to inject excitation measurement method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |