CN108181504A - Constant-temperature crystal oscillator reads frequency and scanning system and method for transmitting signals - Google Patents
Constant-temperature crystal oscillator reads frequency and scanning system and method for transmitting signals Download PDFInfo
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- CN108181504A CN108181504A CN201711459146.2A CN201711459146A CN108181504A CN 108181504 A CN108181504 A CN 108181504A CN 201711459146 A CN201711459146 A CN 201711459146A CN 108181504 A CN108181504 A CN 108181504A
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- frequency
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- 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
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- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
The present invention is that a kind of reading frequency suitable for constant-temperature crystal oscillator and scanning system and method for transmitting signals, system structure include main control computer, power supply, frequency meter, aluminium section bar, aluminium corner code, NI6501 data collecting cards, PCB backboards, test board, circuit connecting wire, BNC signal wires, opportunity line, rubidium clock；Its method for transmitting signals, includes the following steps：1）The product identification of input, position signal are first transferred to NI6501 data collecting cards by main control computer；2）Signal transmission gives PCB backboards；3）Signal is passed to frequency meter by PCB backboards, reads the frequency of test board corresponding position product；4）The frequency information read is passed in main control computer by GPIB lines and is shown.Advantage：1）The reading frequency for rapidly and accurately completing large-tonnage product works with frequency sweep；2）Automatic test；3）Fairly simple, easy left-hand seat is operated, it is highly practical；4）Overall system frame cost is low, convenient for promoting, improves the market competitiveness.
Description
Technical field
The present invention relates to a kind of constant-temperature crystal oscillators that can improve to read the soft of frequency and frequency sweep efficiency and accuracy
The frequency testing system and method for transmitting signals of combination of hardware belong to the test equipment of constant-temperature crystal oscillator production phase.
Background technology
Constant-temperature crystal oscillator belongs to high precision electro subcomponent, and frequency stability data are in the numerous ginsengs of constant-temperature crystal oscillator
It is particularly important in number.The frequency of test constant-temperature crystal oscillator under room temperature is needed, is further corrected according to frequency bias properties.Traditional people
The mode speed of work manual measurement constant-temperature crystal oscillator frequency is slower, and accuracy is not also high, and when product quantity is more, needs to spend big
The time of amount and manpower so as to cause inefficiency, influence manufacturing schedule.
Invention content
Proposed by the present invention is that a kind of constant-temperature crystal oscillator that is used for reads frequency and scanning system and method for transmitting signals, mesh
Aiming at the deficiencies in the prior art provide one kind efficiently, high accuracy, the frequency testing system of automatic measurement.
The technical solution of the present invention：Constant-temperature crystal oscillator reads frequency and scanning system, and structure is calculated including master control
Machine 1, power supply 2, frequency meter 3, aluminium section bar 4, aluminium corner code 5, NI6501 data acquisition equipments 6, PCB backboards 6, test board 7, circuit connect
Wiring, BNC signal wires, opportunity line, rubidium clock；Wherein aluminium section bar 4 is in cube structure, is fixed between each other with the connection of aluminium corner code 5,
The BNC signal wires of 3 front of frequency meter are connected with PCB backboards 6, and opportunity line below is connected with rubidium clock, on frequency meter 3
GPIB lines are connected with main control computer 1, and PCB backboards 6 are connected with the output terminal of NI6501 equipment 6, NI6501 equipment 6 it is defeated
Enter end with main control computer 1 to be connected, PCB backboards 6 are connected with power supply 2.
Advantages of the present invention：
1）Since the frequency of manual measurement product may bring measurement error because of a variety of causes, this system is with rapidly and accurately
The reading frequency for completing large-tonnage product works with frequency sweep, and efficient, accuracy is high；
2）Automatic test, archives data is not easy to lose, convenient for management；
3）Fairly simple, easy left-hand seat is operated, it is highly practical；
4）Overall system frame cost is low, convenient for promoting, improves the market competitiveness.
Description of the drawings
Fig. 1 is the structure diagram that constant-temperature crystal oscillator reads frequency and scanning system.
Fig. 2 is the signal transmission flow figure that constant-temperature crystal oscillator reads frequency and scanning system.
1 it is main control computer in figure, 2 be power supply, 3 be frequency meter, 4 be aluminium section bar, 5 be aluminium corner code, 6 is PCB backboards, 7
It is test board.
Specific embodiment
Attached drawing 1 is compareed, constant-temperature crystal oscillator reads frequency and scanning system, and structure includes main control computer 1, power supply 2, frequency
Rate meter 3, aluminium section bar 4, aluminium corner code 5, NI6501 data collecting cards, PCB backboards 6, test board 7, circuit connecting wire, BNC signal wires,
Opportunity line, rubidium clock；Wherein aluminium section bar 4 is in cube structure, is fixed between each other with the connection of aluminium corner code 5,3 front of frequency meter
BNC signal wires are connected with PCB backboards 6, and opportunity line below is connected with rubidium clock, the GPIB lines on frequency meter 3 and master control meter
Calculation machine 1 is connected, and PCB backboards 6 are connected with the output terminal of NI6501 data collecting cards, the input terminal of NI6501 data collecting cards
It is connected with main control computer 1, PCB backboards 6 are connected with power supply 2；
During test, frequency first is being read with clicking " hardware setting " button in frequency sweep software interface, and frequency is set according to surveyed product type
The parameter of rate meter concurrently sets the gpib interface address of frequency meter, and frequency meter and main control computer interface IP address is unified；Then
Click " loading product " button in software interface, the location information and number information of input product, the letter of product after preservation
Breath can be automatically credited in ACCESS databases；At this moment " scan frequency " button in software interface is clicked, enters frequency sweep circle
Face；The plank position of reading frequency is wanted in selection（X frame X plates）, click " starting to scan ", main control computer then can be successively by every need
The product space information for reading frequency is passed to by 12 binary codes in NI6501 data collecting cards, and NI6501 data acquire
Card can then be completed to read frequently by the product of test board corresponding position according to the position signal received by frequency meter 3；Often run through one
The frequency information read will be restored in main control computer 1 by the frequency of product, frequency meter by GPIB lines, read frequency software
It shows, and is deposited into ACCESS databases in interface, this completes read frequency and the systemic circulation of frequency sweep.
The PCB backboards 4 and test board 7 are altogether 80 times of frequency dividings, and wherein PCB backboards 4 are divided for 10 times, test board 8
It divides again, the accuracy that frequency and frequency sweep are read for product provides guarantee.
The height of main frame summation of power supply, frequency meter and main control computer is less than or equal to the whole high of aluminum section bar frame
Degree.
Compares figure 2, constant-temperature crystal oscillator are read the method for transmitting signals of frequency and scanning system, are included the following steps：
1）The product identification of input, position signal are first transferred to NI6501 data collecting cards by main control computer 1；
2）NI6501 data collecting cards transmit a signal to PCB backboards 6；
3）PCB backboards 6 will receive signal and pass to frequency meter 3, and frequency meter is allowed to read the frequency of 7 corresponding position product of test board
Rate；
4）Frequency meter 3, which is passed to the frequency information read in main control computer by GPIB lines, simultaneously shows, system is gathered around
There are ACCESS databases, for storing constant-temperature crystal oscillator location information and frequency information.
Embodiment
The test board that there are constant-temperature crystal oscillator in 0,1 position is inserted into 0 frame, 1 plate, is added after power-up in software interface corresponding position
The number information of product has been carried, has clicked and reads frequency, measured product frequency information opsition dependent will be shown in computer screen
Out, it completes to read frequency operation.
Claims (4)
1. constant-temperature crystal oscillator read frequency and scanning system, it is characterized in that including main control computer, power supply, frequency meter, aluminium section bar,
Aluminium corner code, NI6501 data collecting cards, PCB backboards, test board, circuit connecting wire, BNC signal wires, opportunity line, rubidium clock；Wherein
Aluminium section bar is in cube structure, is connected fix with aluminium corner code between each other, BNC signal wires and PCB backboard phases before frequency meter
Connection, opportunity line below is connected with rubidium clock, and the GPIB lines on frequency meter are connected with main control computer, PCB backboards and
The output terminal of NI6501 data collecting cards is connected, and the input terminal of NI6501 data collecting cards is connected with main control computer, PCB
Backboard is connected with power supply；
During test, frequency first is being read with clicking " hardware setting " button in frequency sweep software interface, and frequency is set according to surveyed product type
The parameter of rate meter concurrently sets the gpib interface address of frequency meter, and frequency meter and main control computer interface IP address is unified；Then
Click " loading product " button in software interface, the location information and number information of input product, the letter of product after preservation
Breath can be automatically credited in ACCESS databases；At this moment " scan frequency " button in software interface is clicked, enters frequency sweep circle
Face；The plank position of reading frequency, i.e. certain frame plate want in selection, click " starting to scan ", and main control computer then can successively will be every
The product space information for reading frequency is needed to be passed in NI6501 data collecting cards by 12 binary codes, and NI6501 data
Capture card can then be completed to read frequently by the product of test board corresponding position according to the position signal received by frequency meter；Often run through one
The frequency information read will be restored in main control computer by the frequency of product, frequency meter by GPIB lines, and reading, frequency is soft
Part is shown in interface, and is deposited into ACCESS databases, and this completes read frequency and the systemic circulation of frequency sweep.
2. constant-temperature crystal oscillator according to claim 1 reads frequency and scanning system, it is characterized in that the PCB backboards and survey
Test plate (panel) is altogether 80 times of frequency dividings, and wherein PCB backboards are 10 times of frequency dividings, and test board is 8 times of frequency dividings, and frequency and the standard of frequency sweep are read for product
True property provides guarantee.
3. constant-temperature crystal oscillator according to claim 1 reads frequency and scanning system, it is characterized in that power supply, frequency meter and
The height of main frame summation of main control computer is less than or equal to the whole height of aluminum section bar frame.
4. constant-temperature crystal oscillator reads the method for transmitting signals of frequency and scanning system, it is characterized in that including the following steps：
1）The product identification of input, position signal are first transferred to NI6501 data collecting cards by main control computer；
2）NI6501 data collecting cards transmit a signal to PCB backboards；
3）PCB backboards will receive signal and pass to frequency meter, and frequency meter is allowed to read the frequency of test board corresponding position product；
4）Frequency meter, which is passed to the frequency information read in main control computer by GPIB lines, simultaneously shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459146.2A CN108181504A (en) | 2017-12-28 | 2017-12-28 | Constant-temperature crystal oscillator reads frequency and scanning system and method for transmitting signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459146.2A CN108181504A (en) | 2017-12-28 | 2017-12-28 | Constant-temperature crystal oscillator reads frequency and scanning system and method for transmitting signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108181504A true CN108181504A (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711459146.2A Pending CN108181504A (en) | 2017-12-28 | 2017-12-28 | Constant-temperature crystal oscillator reads frequency and scanning system and method for transmitting signals |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514900A (en) * | 2019-07-23 | 2019-11-29 | 河北远东通信***工程有限公司 | Constant-temperature crystal oscillator aging Auto-Test System |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215858A (en) * | 2014-09-19 | 2014-12-17 | 南京中电熊猫晶体科技有限公司 | Constant temperature crystal oscillator temperature stability automatic test system and method |
| CN204376875U (en) * | 2014-12-24 | 2015-06-03 | 天津七六四通信导航技术有限公司 | A kind of high stability crystal oscillator |
| US20160109496A1 (en) * | 2014-10-20 | 2016-04-21 | Fujitsu Limited | Measurement method and measurement system |
-
2017
- 2017-12-28 CN CN201711459146.2A patent/CN108181504A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215858A (en) * | 2014-09-19 | 2014-12-17 | 南京中电熊猫晶体科技有限公司 | Constant temperature crystal oscillator temperature stability automatic test system and method |
| US20160109496A1 (en) * | 2014-10-20 | 2016-04-21 | Fujitsu Limited | Measurement method and measurement system |
| CN204376875U (en) * | 2014-12-24 | 2015-06-03 | 天津七六四通信导航技术有限公司 | A kind of high stability crystal oscillator |
Non-Patent Citations (1)
| Title |
|---|
| 刘汉忠: ""晶体振荡器温频特性自动测试***"", 《计算机测量与控制》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514900A (en) * | 2019-07-23 | 2019-11-29 | 河北远东通信***工程有限公司 | Constant-temperature crystal oscillator aging Auto-Test System |
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Application publication date: 20180619 |