CN201213249Y - Highly precise, highly efficient temperature compensating test system - Google Patents
Highly precise, highly efficient temperature compensating test system Download PDFInfo
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- CN201213249Y CN201213249Y CNU2008201267467U CN200820126746U CN201213249Y CN 201213249 Y CN201213249 Y CN 201213249Y CN U2008201267467 U CNU2008201267467 U CN U2008201267467U CN 200820126746 U CN200820126746 U CN 200820126746U CN 201213249 Y CN201213249 Y CN 201213249Y
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- temperature
- compensating test
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- high efficiency
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Abstract
The utility model discloses a high-precision and high-efficiency temperature compensation testing system, comprising a positioning device, a testing device, a temperature box, a temperature controlling system, a loading disc, a frequency receiving device, a voltage controlling device, a visual system and a software controlling system, wherein the loading disc equipped with workpieces is arranged in the temperature box through the positioning device. The testing device transmits the original data collected to the software controlling system through a control box and other devices, and the software controlling system returns the treated data to a workpiece chip through the control box and the other devices, therefore, the temperature compensation test process is finished. The software controlling system accurately calculates the original data collected through software to obtain the optimal value of a register, and then the value of the register is corrected rapidly according to the temperature compensation test result, therefore, the secondary temperature compensation test process is finished. The utility model can realize the immediate observation of the temperature compensation test process, the immediate temperature compensation stop process and the rerun process after immediate adjustment by researchers, thereby being a high-precision and high-efficiency temperature compensation testing system.
Description
Technical field
The utility model relates to a kind of surface patch element (SMD:Surface Mount Device) type temperature compensated crystal oscillator (TCXO:Temperature CompensatedCrystal Oscillator) high accuracy, high efficiency temperature-compensating field tests.
Background technology
Not only precision is low for traditional analog compensation method, efficient is slow, and can not realize the compensation one by one of whole frequency-temperature curve, at present, though widely used digital compensation method can remedy analog compensation method precision, efficient, the defective in the compensation one by one on certain program, but still there is place not as people's will, such as: precision is the highest only to reach 10
-6The order of magnitude, compensating test time are grown, can't observe the performance in each step of compensating test etc.
In order to improve the present situation of digital compensation method, improve compensation precision, efficient to greatest extent, realize producing, researching and developing the purpose of dual function, the utility model high accuracy, high efficiency temperature-compensating test macro arise at the historic moment, and through test repeatedly, effect is fairly obvious.
Summary of the invention
Technical problem to be solved in the utility model is to provide a cover can realize the system of high accuracy, high efficiency temperature-compensating test to temperature compensated crystal oscillator.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
At first ensure the accurate, quick of test macro.Ensure on the program voltage apply can reading frequency, register value, control box ensures the quick switching of Internal and external cycle test; Both sides are simultaneously during instrumentation, and opposite side is finished the lifting of measuring head, the switching of load plate station when being implemented in a side and testing, and reduces the time difference of working simultaneously in both sides, increases work efficiency.
The design of measuring head ensures that the actual numerical value that measuring head reads arrives the accurate of program data base through circuit transmission, simultaneously ensureing that the register result that will finally calculate writes workpiece like clockwork.
Temperature control system comprises devices such as thermometer and temperature sensor, and CO2 that this device adopts etc. ensure temperature accuracy to 0.1, and the constant precision of actual temperature ± 1 ℃, stable temperature have ensured the accurate of data acquisition.Temperature sensor has been realized the digital translation between the signal, guarantees the accurate of transfer of data.
Program is provided with the collection initial data by the initial value setting and the stepping of register, and calculate best register value according to initial data, in the test starting stage, the workpiece that exceeds specification is revised, finish moment in test, the workpiece that exceeds specification is carried out the secondary correction, realize second compensation, improve precision, efficient.
The beneficial effects of the utility model are:
The utility model utilizes image data to calculate best register value to the utmost, adds last second compensation, has realized the high accuracy of temperature-compensating, is GPS with the extremely desirable temperature-compensating test macro of temperature compensating crystal oscillator; Owing to mutually combining between program and hardware, shortened the cycle of compensating test effectively, greatly increase work efficiency; The innovation that program is used not only is beneficial to production, for research and development of products design etc. function is very easily arranged also.
Description of drawings
Fig. 1 is the outside drawing of the utility model high accuracy, high efficiency temperature-compensating test macro.
Fig. 2 is the right view of the measuring head of the utility model high accuracy, high efficiency temperature-compensating test macro.
Fig. 3 is the vertical view of the measuring head of the utility model high accuracy, high efficiency temperature-compensating test macro.
Fig. 4 is the right view of the load plate of the utility model high accuracy, high efficiency temperature-compensating test macro.
Fig. 5 is test bench and a pin hole vertical view on the load plate of the utility model high accuracy, high efficiency temperature-compensating test macro.
Fig. 6, Fig. 7 are the outside drawings of the control box of the utility model high accuracy, high efficiency temperature-compensating test macro.
Embodiment
In Fig. 1, measuring head (13) will be tested the numerical value that workpiece changes with register at each temperature lower frequency, and it is transferred to software control system (10) by data wire, software control system (10) draws best register value through after the calculation of parameter, and result of calculation is written in the material by measuring head (13), finish compensation; Software control system (10) is tested the material after the compensation subsequently, finishes test and second compensation.In test process, ensure test environment, it is carried out the parameter setting, observes whole temperature-compensating flow process etc. by vision system (8) by incubator (3).
In Fig. 2 and Fig. 3, measuring head (13) uses alignment pin to be fixed on the incubator board by deciding hole, hole (19), realizes the whole transfer of data such as number, read-write of adopting by data transmission device (16) (17) (18).
In Fig. 4 and Fig. 5, load plate cooperates to finish by the control of the circuit on the load plate adopts functions such as number, read-write in the compensating test process.
In Fig. 6 and Fig. 7, control box has 2 frequency output terminal mouths (20), a power port (21), an IO card port (22), and this device is responsible for the conversion of signal, functions such as transmission and power supply control.
Every operation of the present utility model comprises test, read-write all by control box control, and actions such as rotating disk are all sent instruction by program, are transmitted by hardware such as control boxes; The operator also can utilize mouse to realize manually control, finishes the conversion of station, the lifting of temperature, the controls such as read-write of register.
The utility model can be finished the initial point setting of navigation system by the parameter setting.
The utility model is controlled each device by programmable logic controller (PLC), by measuring head to oscillator carry out transfer of data, register reads, and test result is transferred to program, program internal condition test result calculations goes out optimal results and by testing first-class hardware the result is write register, realizes whole compensated stage; Measuring head is transferred to program part once more with test result, and program is judged according to the specification that sets in advance, finished test phase.
Claims (9)
1. high accuracy, high efficiency temperature-compensating test macro, it is characterized in that: this practical high accuracy, high efficiency temperature-compensating test macro comprises incubator (3), positioner (15), load plate (14), measuring head (13), voltage-operated device (9) and (12), frequency meter (7), vision system (8) and software control system (10), the load plate (14) that workpiece is housed is put in the incubator (3) by positioner (15), the original frequency data that measuring head (13) will be tested under each temperature are sent to software control system (10) by data wire, by measuring head (13) optimal values of register is write workpiece more after treatment, after compensation finishes, software control system (13) can be tested the workpiece after the compensation, and the test last temperature will carry out second compensation to the material that exceeds specification, all be provided with down in the entire making process at voltage-operated device (9), carry out frequency by frequency meter (7) and receive, whole flow process is monitored by vision system (8).
2. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described vision system (8) carries out parameter setting, processing procedure monitoring to compensating test.
3. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described measuring head (13) carries out frequency source data collection, the read-write of register optimal values to workpiece.
4. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described positioner (15) carries out original point position to load plate.
5. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described incubator (3) ensures the stable temperature environment of stablizing compensating test.
6. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described temperature monitor (2) carries out parameter setting, processing procedure monitoring to temperature.
7. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described frequency meter (7) carries out frequency monitoring to compensating test.
8. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described voltage-operated device (9) carries out the voltage setting to compensating test.
9. high accuracy according to claim 1, high efficiency temperature-compensating test macro is characterized in that: described software control system (10) is carried out program control, storage to compensating test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201267467U CN201213249Y (en) | 2008-06-26 | 2008-06-26 | Highly precise, highly efficient temperature compensating test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201267467U CN201213249Y (en) | 2008-06-26 | 2008-06-26 | Highly precise, highly efficient temperature compensating test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201213249Y true CN201213249Y (en) | 2009-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201267467U Expired - Fee Related CN201213249Y (en) | 2008-06-26 | 2008-06-26 | Highly precise, highly efficient temperature compensating test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201213249Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036505A (en) * | 2012-12-19 | 2013-04-10 | 同方国芯电子股份有限公司 | High-accuracy temperature compensation crystal oscillator system and operational method thereof |
| CN109375005A (en) * | 2018-09-29 | 2019-02-22 | 昆山睿力得软件技术有限公司 | A kind of number temperature compensating crystal oscillator Auto-Test System and method |
-
2008
- 2008-06-26 CN CNU2008201267467U patent/CN201213249Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036505A (en) * | 2012-12-19 | 2013-04-10 | 同方国芯电子股份有限公司 | High-accuracy temperature compensation crystal oscillator system and operational method thereof |
| CN109375005A (en) * | 2018-09-29 | 2019-02-22 | 昆山睿力得软件技术有限公司 | A kind of number temperature compensating crystal oscillator Auto-Test System and method |
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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: 20090325 |