CN204758708U - Electrical resolver testing arrangement - Google Patents
Electrical resolver testing arrangement Download PDFInfo
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- CN204758708U CN204758708U CN201520250674.7U CN201520250674U CN204758708U CN 204758708 U CN204758708 U CN 204758708U CN 201520250674 U CN201520250674 U CN 201520250674U CN 204758708 U CN204758708 U CN 204758708U
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- rotary transformer
- demodulation module
- controller
- proving installation
- electrical resolver
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Abstract
The utility model discloses an electrical resolver testing arrangement, including be used for with the electrical resolver that awaits measuring is connected stimulate magnetism the power with be connected with the controller of display screen, still including being used for corresponding a set of test terminal of being connected with respectively going between of the electrical resolver that awaits measuring, the power that stimulates magnetism is used for being connected with the electrical resolver that awaits measuring through corresponding test terminal, and each test terminal with become demodulation module soon and be connected, become soon demodulation module be used for with the electrical resolver's that awaits measuring the thick utmost point and essence exhaustion signal demodulation into the binary code signal, the output that becomes demodulation module soon with be used for being connected binary code signal conversion into the controller of decimal system angle signal, and this controller is used for angle signal output to the enterprising line display of display screen. The utility model discloses an electrical resolver testing arrangement simple structure, the component of use is less, test convenient and fast, directly perceived, and its volume is less, and portable provides great facility to the personnel that carry out outdoor troubleshooting.
Description
Technical field
The utility model relates to a kind of rotary transformer proving installation.
Background technology
Rotary transformer (resolver/transformer) is a kind of electromagnetic sensor, also known as synchronous resolver.It is a kind of small-sized AC motor taken measurement of an angle, and is used for measuring the rotating shaft angular travel of rotating object and angular velocity, is made up of stators and rotators.Wherein stator winding is as the former limit of transformer, accepts the secondary of field voltage rotor windings as transformer, obtains induced voltage by electromagnetic coupled.
The principle of work of rotary transformer and common transformer basic simlarity, difference is the former limit of common transformer, vice-side winding is relatively-stationary, so output voltage and input voltage ratio are constants, the former limit of rotary transformer, vice-side winding are then with the change of the angular displacement generation relative position of rotor, thus the size of its output voltage changes with rotor angular displacement, the voltage magnitude exporting winding becomes sinusoidal, cosine function relationship with angle of rotor, or keep a certain proportionate relationship, or linear with corner in certain angle range.
The application of rotary transformer, development is very fast in the recent period.Except military, aerospace field that is traditional, that require reliability high, have also been obtained at industry, traffic and civil area and apply widely.And be the requirement adapting to more high-precise synchronization system, in recent years, there is the electrical variable speed formula two-channel measurement system be made up of two speed resolver, two speed resolver is combined by the rotary transformer that two numbers of pole-pairs do not wait, what usual number of pole-pairs was few is called thick machine, and number of pole-pairs many be called smart machine.
A lot of rotary transformer using the enterprise of rotary transformer to buy is not tested now, but be directly installed on product, wiring relation directly carries out wiring according to the mark of dispatching from the factory of rotary transformer, rotary transformer fault is found when system testing, need to relocate or need to change, this just has very large reclamation work amount.
Chinese Patent Application No. CN200820220090 discloses a kind of rotary transformer testing equipment, comprise main frame, power module, servo-driver, servomotor, driving source, controllable gain amplifier, touch-screen etc., the control module of main frame and programmable counter array, D/A converter module etc., programmable counter array is connected with servo-driver, D/A converter module is connected with controllable gain amplifier, and driving source is all connected with rotary transformer with controllable gain amplifier.The complicated structure of this equipment, cost is higher, therefore, is necessary to provide a kind of structure simple testing apparatus.
Utility model content
The purpose of this utility model is to provide a kind of rotary transformer proving installation, to solve the baroque problem of existing equipment.
In order to realize above object, the technical scheme that the utility model adopts is: a kind of rotary transformer proving installation, comprise the excitation power supply for being connected with rotary transformer to be measured and the controller being connected with display screen, also comprise for each corresponding one group of calibrating terminal connected that goes between with rotary transformer to be measured, each calibrating terminal becomes demodulation module and is connected with revolving, described revolving becomes demodulation module for being binary code signal by the thick pole of rotary transformer to be measured and essence exhaustion signal receiving, revolve the output terminal becoming demodulation module to be connected with the controller for binary code signal being converted to decimal system angle signal, and this controller shows for being outputted on display screen by angle signal.
Described calibrating terminal is used for the correspondence lead-in wire being connected rotary transformer to be measured by test clip.
Described calibrating terminal is become demodulation module by patchplug and is connected with revolving.
Described excitation power supply is connected with corresponding calibrating terminal by excitatory switch.
Described revolve become demodulation module be M2S44RDC-658.
Rotary transformer proving installation structure of the present utility model is simple, and the element of use is less, and convenient test is quick, directly perceived, and its small volume, be approximately 300mm × 200mm × 100mm, be easy to carry, larger facility is provided for the personnel carrying out outdoor troubleshooting.This proving installation be mainly used in rotary transformer be assembled to use on product before it is tested, or after Standard completes, before wiring, it to be tested, can avoid because follow-uply doing over again of selecting transformer fault or assembly failure to cause.
Accompanying drawing explanation
Fig. 1 is the utility model rotary transformer proving installation theory diagram;
Fig. 2 is the another kind of embodiment theory diagram of rotary transformer proving installation;
Fig. 3 is Power convert and test interface circuit schematic diagram;
Fig. 4 is demodulator circuit plate circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Embodiment 1
Be illustrated in figure 1 the utility model rotary transformer proving installation, as seen from the figure, this device comprises the excitation power supply for being connected with rotary transformer to be measured and is connected with the controller of display screen, also comprise for each corresponding one group of calibrating terminal connected that goes between with rotary transformer to be measured, each calibrating terminal becomes demodulation module and is connected with revolving, revolve and become demodulation module for being binary code signal by the thick pole of rotary transformer to be measured and essence exhaustion signal receiving, revolve the output terminal becoming demodulation module to be connected with the controller for binary code signal being converted to decimal system angle signal, and this controller shows for being outputted on display screen by angle signal.
As shown in Figure 2, the difference of the present embodiment and embodiment 1 is not adopt controller, and directly use two ~ decimal converter and display decoder to realize binary code signal to be converted to decimal system angle signal, and angle signal is undertaken processing rear display on a display screen by display decoder.
Further, proving installation of the present utility model leaves test clip, calibrating terminal is connected the corresponding pigtail splice of rotary transformer to be measured by test clip.
This proving installation is Power convert and test interface circuit schematic diagram as shown in Figure 3, the input voltage of this proving installation is 220V, be electrically connected with city by 220V supply socket, controlled by total power switch, 220V Power convert is direct supply by power module by civil power, for DC power supplier and excitation power supply module for power supply, the calibrating terminal that R1/R5, R3/R7, S1 ~ S8 is, be used for when testing being connected with the lead-in wire of rotary transformer to be measured; Excitation power supply is connected with rotary transformer to be measured and for REF-H, REF-L pin of the patchplug XP1 being connected demodulator circuit plate by R1/R5, R3/R7, and excitation power supply is provided with excitatory switch with corresponding between calibrating terminal R1/R5, R3/R7; S1 ~ S8 connects with each corresponding pin of XP1 respectively.
Be illustrated in figure 4 the circuit theory diagrams of demodulator circuit plate, this demodulator circuit plate comprise dock with XP1 patchplug XS1, revolve and become demodulation module U2 and controller U1 and display decoder XS2, demodulator circuit plate receives thick pole and the essence exhaustion signal of rotary transformer by XS1, and signal is passed to revolve and become demodulation module U2, revolve and become demodulation module M2S44RDC-658 by the signal receiving of rotary transformer into binary code outputs to single-chip microcomputer U1, U1 outputs to display screen to after binary code signal transacting by XS2, in real time the actual angle of display rotary transformer.
Principle of work of the present utility model and process as follows: the test clip place first being received rotary transformer proving installation corresponding calibrating terminal during test according to the lead-in wire of rotary transformer mark, rotate transformer, the corresponding angle of transformer can show on a display screen in real time, by the variation tendency of viewing angle and continuity, tester judges whether rotary transformer exists fault, to determine that whether it is qualified.
Use this proving installation rotary transformer be assembled to use on product before it is tested, complete at Standard, before wiring, it tested, can avoid because follow-uply doing over again of selecting transformer fault or assembly failure to cause.
Above embodiment only understands core concept of the present utility model for helping; the utility model can not be limited with this; for those skilled in the art; every according to thought of the present utility model; the utility model is modified or equivalent replacement; any change done in specific embodiments and applications, all should be included within protection domain of the present utility model.
Claims (5)
1. a rotary transformer proving installation, comprise the excitation power supply for being connected with rotary transformer to be measured and the controller being connected with display screen, it is characterized in that: also comprise for each corresponding one group of calibrating terminal connected that goes between with rotary transformer to be measured, each calibrating terminal becomes demodulation module and is connected with revolving, described revolving becomes demodulation module for being binary code signal by the thick pole of rotary transformer to be measured and essence exhaustion signal receiving, revolve the output terminal becoming demodulation module to be connected with the controller for binary code signal being converted to decimal system angle signal, and this controller shows for being outputted on display screen by angle signal.
2. rotary transformer proving installation according to claim 1, is characterized in that: described calibrating terminal is used for the correspondence lead-in wire being connected rotary transformer to be measured by test clip.
3. rotary transformer proving installation according to claim 1 and 2, is characterized in that: described calibrating terminal is become demodulation module by patchplug and is connected with revolving.
4. rotary transformer proving installation according to claim 3, is characterized in that: described excitation power supply is connected with corresponding calibrating terminal by excitatory switch.
5. rotary transformer proving installation according to claim 4, is characterized in that: described in revolve become demodulation module be M2S44RDC-658.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250674.7U CN204758708U (en) | 2015-04-23 | 2015-04-23 | Electrical resolver testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250674.7U CN204758708U (en) | 2015-04-23 | 2015-04-23 | Electrical resolver testing arrangement |
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|---|---|
| CN204758708U true CN204758708U (en) | 2015-11-11 |
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| CN201520250674.7U Active CN204758708U (en) | 2015-04-23 | 2015-04-23 | Electrical resolver testing arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870618A (en) * | 2018-12-17 | 2019-06-11 | 天津新星科能源技术有限公司 | A kind of multipolar resolver detection device and control method |
| CN111308248A (en) * | 2020-03-16 | 2020-06-19 | 湖南米艾西测控技术有限公司 | Resolver parameter testing analyzer |
| CN115575862A (en) * | 2022-09-29 | 2023-01-06 | 北京航空航天大学 | Electromagnetic sensitivity testing device and method for rotary transformer system of electric automobile |
-
2015
- 2015-04-23 CN CN201520250674.7U patent/CN204758708U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870618A (en) * | 2018-12-17 | 2019-06-11 | 天津新星科能源技术有限公司 | A kind of multipolar resolver detection device and control method |
| CN111308248A (en) * | 2020-03-16 | 2020-06-19 | 湖南米艾西测控技术有限公司 | Resolver parameter testing analyzer |
| CN115575862A (en) * | 2022-09-29 | 2023-01-06 | 北京航空航天大学 | Electromagnetic sensitivity testing device and method for rotary transformer system of electric automobile |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |