CN201689141U - Integrated testing instrument for transformer - Google Patents
Integrated testing instrument for transformer Download PDFInfo
- Publication number
- CN201689141U CN201689141U CN2010201895251U CN201020189525U CN201689141U CN 201689141 U CN201689141 U CN 201689141U CN 2010201895251 U CN2010201895251 U CN 2010201895251U CN 201020189525 U CN201020189525 U CN 201020189525U CN 201689141 U CN201689141 U CN 201689141U
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- program control
- dsp
- circuit
- control signal
- electrically connected
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Abstract
The utility model discloses an integrated testing instrument for a transformer, comprising a DSP and the following five parts: a program-control signal generator, a program-control output amplifier, a program-control differential amplification circuit, a program-control I/V conversion circuit and a program-control signal processing circuit, wherein the five parts are electrically connected with the DSP; the program-control signal generator is electrically connected with a program-control output amplifier and the program-control signal processing circuit; the program-control differential amplification circuit is electrically connected with the program-control signal processing circuit; the program-control I/V conversion circuit is electrically connected with the program-control signal processing circuit; the program-control signal processing circuit is used for processing the received signals and sending the signals to the DSP; and the DSP calculates all testing parameter values. Therefore, by taking the high-speed DSP as the operation and control processor, various complex operations are completed by a hardware operator in the processor; the measurement result is exact, the working efficiency is improved, furthermore, almost all electric parameters of the transformer can be tested, and the usage scope can be extended.
Description
Technical field
The utility model relates to the transformer equipment art, refers in particular to a kind of transformer comprehensive tester.
Background technology
Transformer is a kind of application electronic component extremely widely, to small-sized power supply adaptor, all has been applied to transformer from large-scale power station, and it has become one of electronic component indispensable in the electronic circuit.As everyone knows, transformer is according to different use occasions, the technology of its coiling can be different, but its function mainly contains voltage transformation, current transformation, impedance conversion, isolation, voltage stabilizing etc., therefore before use transformer carried out performance test and be necessary.
Yet, practise the transformer testing instrument that has at present and tackle the limited in one's ability of complex calculation, inefficiency, its measuring result error is also bigger, may bring to production to have a strong impact on, and is difficult to satisfy modern industry scale, standardized needs.
The utility model content
Problems such as the purpose of this utility model provides a kind of transformer comprehensive tester, and solution is practised the transformer testing instrument inefficiency, measuring result error is big.
The utility model adopts following technical scheme for achieving the above object:
A kind of transformer comprehensive tester, it is characterized in that: comprise DSP and be electrically connected on the programmable signal generator of this DSP, program control output amplifier, program control differential amplifier circuit, program control I/V change-over circuit, program control signal treatment circuit that this DSP is responsible for the internal circuit control and parameter computing of whole tester; Described programmable signal generator is electrically connected with program control output amplifier, program control signal treatment circuit, is controlled the parameter of this programmable signal generator output signal and this signal is sent to program control signal treatment circuit and program control output amplifier simultaneously by DSP; The signal that described program control output amplifier is responsible for receiving amplifies, and exports measured object to; Described program control differential amplifier circuit is electrically connected with the program control signal treatment circuit, is responsible for picking up the voltage at measured object two ends and handles delivering to the program control signal treatment circuit after the voltage amplification; Described program control I/V change-over circuit is electrically connected with the program control signal treatment circuit, is responsible for picking up the electric current that flows through measured object and current conversion is become voltage, handles delivering to the program control signal treatment circuit after the voltage amplification again; Described program control signal treatment circuit is given DSP after being responsible for the signal that receives handled, and calculates all test parameter values by DSP.
As a kind of preferred version, further include the GPIB/RS232 communicating circuit, this GPIB/RS232 communicating circuit is electrically connected and is provided with the GPIB/RS232 interface with described DSP.
As a kind of preferred version, further include the USB controller, this USB controller is provided with USB interface and is electrically connected with described DSP.
As a kind of preferred version, further include the I/O external interface, this I/O external interface is electrically connected with described DSP.
As a kind of preferred version, further include the giant-screen LCD display of keyboard and 320*240, this keyboard, LCD display are electrically connected with described DSP.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, utilize high-speed dsp as computing, processor controls, various complex calculation are finished by the hardware arithmetical unit of processor inside, and not only measurement result is accurate, has improved work efficiency, and can test transformer nearly all electrical quantity, expanded usable range.
Two, by utilizing high-resolution LCD display and keyboard, so that user's input, check data, guaranteed friendly man-machine interface, help data interaction.
Three, by utilizing USB controller and USB interface thereof, the test data of this tester not only can be stored in the internal storage, test data can also be stored to outside USB flash disk the inside, carry out data analysis or backup so that test data is copied to computer, also the test procedure that sets can be imported this tester inside by USB flash disk simultaneously.
Four, by utilizing the I/O external interface, this tester can connect tool, signal lamp and automatic switch etc., has improved the usable range and the convenience of this tester greatly, has strengthened the market competitiveness.
For more clearly setting forth architectural feature of the present utility model and effect, the utility model is further described below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the circuit principle structure diagrammatic sketch of the embodiment of the utility model.
The accompanying drawing identifier declaration:
10, DSP 20, programmable signal generator
30, program control output amplifier 40, program control differential amplifier circuit
50, program control I/V change-over circuit 60, program control signal treatment circuit
70, GBIB/RS232 communicating circuit 71, GBIB/RS232 interface
80, USB controller 81, USB interface
90, I/O externally connect 100, measured object
110, keyboard 120, LCD display
Embodiment:
Please refer to shown in Figure 1, it has demonstrated the concrete structure of the preferred embodiment of the utility model, a kind of transformer comprehensive tester, the programmable signal generator 20, program control output amplifier 30, program control differential amplifier circuit 40, program control I/V change-over circuit 50, program control signal treatment circuit 60, GPIB/RS232 communicating circuit 70, USB controller 80, I/O external interface 90, keyboard 110, the LCD display 120 that comprise DSP10 and be electrically connected on this DSP10, wherein:
Described DSP10 is responsible for the internal circuit control of whole tester, comprising: the control of all amplifying circuit gains; The selection of signalling channel; The parameter setting of programmable signal generator 20 output signals; The control of A/D conversion in the program control signal treatment circuit 60; The control of keyboard 110, LCD display 120, GPIB/RS232 communication; The control of external signal input and output and the read-write of USB flash disk etc.DSP10 also is responsible for the computing of all parameters simultaneously.
Described programmable signal generator 20 is electrically connected with program control output amplifier 30, program control signal treatment circuit 60, this programmable signal generator 20 exports sine wave signal to program control signal treatment circuit 60 and program control output amplifier 30 simultaneously, the amplitude of signal, phase place, frequency are controlled by aforementioned DSP10, and its frequency range can be from 20HZ to 200KHZ.
Described program control output amplifier 30 is responsible for and will be amplified from the sine wave signal that programmable signal generator 20 receives, and exports measured object 100 to.
Described program control differential amplifier circuit 40 is electrically connected with program control signal treatment circuit 60, is responsible for picking up the voltage at measured object 100 two ends and handles delivering to program control signal treatment circuit 60 after the voltage amplification.
Described program control I/V change-over circuit 50 is electrically connected with program control signal treatment circuit 60, is responsible for picking up the electric current that flows through measured object 100 and current conversion is become voltage, handles delivering to program control signal treatment circuit 60 after the voltage amplification again.
Described program control signal treatment circuit 60 comprises the A/D change-over circuit, gives DSP10 after being responsible for the signal that receives handled, and calculates all test parameter values by DSP10.
Described GPIB/RS232 communicating circuit 70 is electrically connected with aforementioned DSP10, and this GPIB/RS232 communicating circuit 70 is provided with GPIB/RS232 interface 71, is used to connect outer computer, so that realize robotization control.
Described USB controller 80 is provided with USB interface 81 and is electrically connected with aforementioned DSP10, is used to connect USB flash disk, imports tester so that test data is stored in the USB flash disk or with the test procedure that sets by USB flash disk.
Described I/O external interface 90 can connect tool, signal lamp, automatic switch etc., in order to usable range and the convenience that improves this tester, enhances one's market competitiveness.
Described keyboard 110 is used to user input data to facilitate, and by this keyboard 110, the user can be provided with the every test parameter of instrument to tester input data easily.
Described LCD display 120 is the high resolution large screen display of 320*240, being used to the user to observe, understand test data facilitates, by this LCD display 120 and aforementioned keyboard 110, this tester possesses very friendly man-machine interface, helps data interaction.
It is as follows that principle of work of the present utility model is described in detail in detail:
DSP10 control programmable signal generator 20 is simultaneously to program control signal treatment circuit 60, sine wave signal of program control output amplifier 30 outputs, the signal of wherein transporting to program control signal treatment circuit 60 is as a reference value, exports measured object 100 to after the signal of transporting to program control output amplifier 30 is amplified by program control output amplifier 30; Program control differential amplifier circuit 40 picked up the voltage at measured object 100 two ends and will give the program control signal treatment circuit 60 processing after the voltage amplification this moment, program control I/V change-over circuit 50 picks up the electric current that flows through measured object 100 and converts thereof into voltage, handles giving program control signal treatment circuit 60 after the voltage amplification again; Program control signal treatment circuit 60 is given DSP10 after the signal that receives is handled, and calculates all test parameter values by DSP10, thus the measurement result of drawing.
Design focal point of the present utility model is, it mainly is to utilize high-speed dsp as computing, processor controls, various complex calculation are finished by the hardware arithmetical unit of processor inside, not only measurement result is accurate, improved work efficiency, and can test transformer nearly all electrical quantity, expanded usable range; Secondly, by utilizing high-resolution LCD display and keyboard,, help data interaction so that user's input, check and data guaranteed good man computer interface; Moreover, by utilizing USB controller and USB interface thereof, the test data of this tester not only can be stored in the internal storage, test data can also be stored to outside USB flash disk the inside, carry out data analysis or backup so that test data is copied to computer, also the test procedure that sets can be imported this tester inside by USB flash disk simultaneously; In addition, by utilizing the I/O external interface, this tester can connect tool, signal lamp and automatic switch etc., has improved the usable range and the convenience of this tester greatly, has strengthened the market competitiveness.
The above, it only is the utility model preferred embodiment, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. transformer comprehensive tester, it is characterized in that: comprise DSP and be electrically connected on the programmable signal generator of this DSP, program control output amplifier, program control differential amplifier circuit, program control I/V change-over circuit, program control signal treatment circuit that this DSP is responsible for the internal circuit control and parameter computing of whole tester; Described programmable signal generator is electrically connected with program control output amplifier, program control signal treatment circuit, is controlled the parameter of this programmable signal generator output signal and this signal is sent to program control signal treatment circuit and program control output amplifier simultaneously by DSP; The signal that described program control output amplifier is responsible for receiving amplifies, and exports measured object to; Described program control differential amplifier circuit is electrically connected with the program control signal treatment circuit, is responsible for picking up the voltage at measured object two ends and handles delivering to the program control signal treatment circuit after the voltage amplification; Described program control I/V change-over circuit is electrically connected with the program control signal treatment circuit, is responsible for picking up the electric current that flows through measured object and current conversion is become voltage, handles delivering to the program control signal treatment circuit after the voltage amplification again; Described program control signal treatment circuit is given DSP after being responsible for the signal that receives handled, and calculates all test parameter values by DSP.
2. transformer comprehensive tester according to claim 1 is characterized in that: further include the GPIB/RS232 communicating circuit, this GPIB/RS232 communicating circuit is electrically connected and is provided with the GPIB/RS232 interface with described DSP.
3. transformer comprehensive tester according to claim 1 is characterized in that: further include the USB controller, this USB controller is provided with USB interface and is electrically connected with described DSP.
4. transformer comprehensive tester according to claim 1 is characterized in that: further include the I/O external interface, this I/O external interface is electrically connected with described DSP.
5. transformer comprehensive tester according to claim 1 is characterized in that: further include the giant-screen LCD display of keyboard and 320*240, this keyboard, LCD display are electrically connected with described DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201895251U CN201689141U (en) | 2010-05-06 | 2010-05-06 | Integrated testing instrument for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201895251U CN201689141U (en) | 2010-05-06 | 2010-05-06 | Integrated testing instrument for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689141U true CN201689141U (en) | 2010-12-29 |
Family
ID=43377421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201895251U Expired - Fee Related CN201689141U (en) | 2010-05-06 | 2010-05-06 | Integrated testing instrument for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772117A (en) * | 2016-12-01 | 2017-05-31 | 武汉市欧睿科技有限公司 | A kind of integrated testing instrument for transformer |
| CN112816765A (en) * | 2020-08-28 | 2021-05-18 | 苏州灵成电气有限公司 | Intelligent transformer comprehensive parameter testing system |
-
2010
- 2010-05-06 CN CN2010201895251U patent/CN201689141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772117A (en) * | 2016-12-01 | 2017-05-31 | 武汉市欧睿科技有限公司 | A kind of integrated testing instrument for transformer |
| CN112816765A (en) * | 2020-08-28 | 2021-05-18 | 苏州灵成电气有限公司 | Intelligent transformer comprehensive parameter testing system |
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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: 20101229 Termination date: 20140506 |