CN213521714U - Novel wireless communication rotary transformer - Google Patents
Novel wireless communication rotary transformer Download PDFInfo
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- CN213521714U CN213521714U CN202022909254.9U CN202022909254U CN213521714U CN 213521714 U CN213521714 U CN 213521714U CN 202022909254 U CN202022909254 U CN 202022909254U CN 213521714 U CN213521714 U CN 213521714U
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Abstract
The utility model belongs to the technical field of rotary transformers, and discloses a novel wireless communication rotary transformer, wherein the double-channel rotary transformer is connected with a signal input circuit through an electric signal, and the signal input circuit is connected with a phase-sensitive rectifying circuit through an electric signal; the phase-sensitive rectifying circuit is connected with the filter circuit through an electric signal, and the filter circuit is connected with the ADC chip through an electric signal; the ADC chip is connected with the single chip microcomputer through an electric signal, and the single chip microcomputer is connected with the wireless communication module through an electric signal. The utility model discloses a wireless communication module exports resolver angle signal to the external world to can accept external angle signal control command, have digital signal output function, the signal of transmission is more reliable and more stable, makes the signal transmission distance farther. The utility model discloses well filter circuit can carry out the function of filtering clutter to binary channels rotary transformer. And the phase-sensitive rectifying circuit adjusts the amplitude and the phase of the coarse sine signal and the fine sine signal and the amplitude and the phase of the coarse cosine signal and the fine cosine signal.
Description
Technical Field
The utility model belongs to the technical field of rotary transformer, especially, relate to a novel wireless communication rotary transformer.
Background
At present, a rotary transformer is a precise angle, position and speed detection device, has the characteristics of high sensitivity, strong anti-interference capability and the like, and is particularly suitable for occasions with severe environmental conditions such as high temperature, severe cold, humidity and the like. Therefore, the system is widely applied to angle and position detection systems in the fields of servo control systems, textiles, printing, aerospace, ships, radars, artillery guns, tanks, chariot, airplanes, warships, missiles, missile launchers, rocket launching, various target trackers, satellites, mines, oil fields and the like for transmitting electric signals corresponding to turning angles. With the rapid development of weaponry, modern control theory and the advance of sensor technology, servo systems place ever increasing demands on the accuracy and the rapid response of position measurements. The high-precision and quick transient response of the servo control can be obtained only by obtaining accurate angular position feedback of a servo system which needs to realize angular position closed-loop control, such as radar antenna tracking control, missile control, aviation aircraft attitude control, a numerical control machine tool, a mechanical arm and the like. Rotary transformers in the prior art are wired products, and cannot meet use requirements in application scenes such as a double-rotor motor or closed transmission shaft, so that a wireless communication rotary transformer is urgently needed.
Through the above analysis, the problems and defects of the prior art are as follows: rotary transformers in the prior art are wired products, and cannot meet use requirements in application scenes such as double-rotor motors or closed transmission shafts.
The difficulty in solving the above problems and defects is: the rotary transformer is an electromagnetic sensor, it is a small-sized AC motor for measuring angle, and is used for measuring angular displacement and angular speed of rotating shaft of rotating body, and is formed from stator and rotor. The stator winding is used as the primary side of the transformer and receives the excitation voltage, and the excitation frequency is usually 400, 3000, 5000HZ and the like. The rotor winding is used as a secondary side of the transformer, and induction voltage is obtained through electromagnetic coupling. During wireless communication, interference can be generated between a wireless communication signal and the rotary transformer, and the problem of how to deal with the interference of the wireless communication on the working precision of the rotary transformer is a difficult problem.
The significance of solving the problems and the defects is as follows: the utility model discloses a current situation of disturbing shortcomings such as resolver work precision when changing unable wireless communication of resolver and wireless communication utilizes Zigbee communication technology, Wifi wireless communication technology, singlechip technique, binary channels resolver technique, preparation wireless communication resolver. The utility model discloses make rotary transformer can satisfy china's rotary transformer wireless communication's market demand.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a novel wireless communication rotary transformer.
The utility model is realized in such a way, a novel wireless communication rotary transformer is provided with a double-channel rotary transformer; the double-channel rotary transformer is connected with the signal input circuit through an electric signal, and the signal input circuit is connected with the phase-sensitive rectifying circuit through an electric signal;
the phase-sensitive rectifying circuit is connected with the filter circuit through an electric signal, and the filter circuit is connected with the ADC chip through an electric signal;
the ADC chip is connected with the single chip microcomputer through an electric signal, and the single chip microcomputer is connected with the wireless communication module through an electric signal.
Furthermore, the single chip microcomputer is connected with the DAC chip through an electric signal, the DAC chip is connected with the signal amplification circuit through an electric signal, and the signal amplification circuit is connected with the double-channel rotary transformer through an excitation signal.
Further, the dual channel rotary transformer includes a single-pair rotary transformer and a multi-stage rotary transformer.
Further, the wireless communication module is provided with a Zigbee antenna, and the Zigbee antenna is connected with the Zigbee wireless communication module;
the Zigbee wireless communication module is connected with the data processing chip, the data processing chip is connected with the Wifi wireless communication module, and the Wifi wireless communication module is connected with the Wifi antenna.
Furthermore, the Zigbee wireless communication module is connected with the Zigbee chip, the data processing chip is connected with the power circuit, and the Wifi wireless communication module is connected with the Wifi chip.
Furthermore, the singlechip is provided with a data processing chip, and the data processing chip is respectively connected with the communication interface circuit, the power circuit, the decoding chip and the storage chip through electric signals.
Furthermore, the power supply circuit is respectively connected with the ADC chip, the DAC chip and the wireless communication module.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:
the utility model discloses a wireless communication module exports resolver angle signal to the external world to can accept external angle signal control command, have digital signal output function, the signal of transmission is more reliable and more stable, makes the signal transmission distance farther. The utility model discloses a rotary transformer has broken traditional rotary transformer signal interference's when can not wireless communication, wireless intelligent monitoring and wireless communication limitation, realizes the wireless communication function through Zigbee communication technology, Wifi wireless communication technique, singlechip technique, has easy production, low-power consumption, and the integrated level is high, small characteristics. Wherein, the utility model discloses well filter circuit can carry out the function of filtering clutter to binary channels resolver. And the phase-sensitive rectifying circuit adjusts the amplitude and the phase of the coarse sine signal and the fine sine signal and the amplitude and the phase of the coarse cosine signal and the fine cosine signal.
The utility model discloses well binary channels rotary transformer includes single antipode rotary transformer and multistage rotary transformer, and single antipode (two poles of the earth) rotary transformer is because measuring lowly, is called rough channel, thick machine, and multistage rotary transformer is because measurement accuracy is high, is called smart passageway, smart machine, and the thick machine produces thick machine just, cosine differential signal, and smart machine produces smart machine just, cosine differential signal.
The utility model discloses well wireless communication module to external output resolver angle signal to can accept external angle signal control command.
The utility model discloses well Zigbee wireless communication module is connected with the Zigbee chip, and the data processing chip is connected with power supply circuit, and Wifi wireless communication module is connected with the Wifi chip, realizes the processing of data.
The utility model discloses single chip computer includes as rotary transformer's core processor, the function that mainly realizes: the processing of the error compensation algorithm and the calculation of the roughing angle and the finishing angle, and the calculation of the real shaft angle theta value through the combination of the roughing angle and the finishing angle.
The utility model discloses well power supply circuit is connected with ADC chip, DAC chip and wireless communication module respectively for provide operating voltage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural view of a novel wireless communication rotary transformer provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a wireless communication module according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a single chip microcomputer composition structure provided by the embodiment of the present invention.
Fig. 4 is a test chart of the novel wireless communication rotary transformer provided by the embodiment of the present invention for angle wireless transmission.
In the figure: 1. a dual-channel rotary transformer; 2. a signal input circuit; 3. a phase sensitive rectification circuit; 4. a filter circuit; 5. an ADC chip; 6. a signal amplification circuit; 7. a DAC chip; 8. a single chip microcomputer; 9. a wireless communication module; 10. a Zigbee antenna; 11. a Zigbee wireless communication module; 12. a data processing chip; 13. a Wifi wireless communication module; 14. a Wifi antenna; 15. a Wifi chip; 16. a power supply circuit; 17. a Zigbee chip; 18. a communication interface circuit; 19. a data processing chip; 20. a power supply circuit; 21. a decoding chip; 22. and storing the chip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
To the problem that prior art exists, the utility model provides a novel wireless communication resolver, it is right to combine the figure below the utility model discloses do detailed description.
As shown in fig. 1, the embodiment of the utility model provides a novel wireless communication resolver, include: the device comprises a double-channel rotary transformer 1, a signal input circuit 2, a phase-sensitive rectifying circuit 3, a filter circuit 4, an ADC chip 5, a signal amplifying circuit 6, a DAC chip 7, a single chip microcomputer 8 and a wireless communication module 9.
The dual-channel rotary transformer 1 is connected with the signal input circuit 2 through an electrical signal, wherein the electrical signal includes: a rough machine SIN signal, a rough machine COS signal, a fine machine SIN signal and a fine machine COS signal. The signal input circuit 2 is connected with the phase-sensitive rectifying circuit 3 through an electric signal, the phase-sensitive rectifying circuit 3 is connected with the filter circuit 4 through an electric signal, the filter circuit 4 is connected with the ADC chip 5 through an electric signal, the ADC chip 5 is connected with the single chip microcomputer 8 through an electric signal, and the single chip microcomputer 8 is connected with the wireless communication module 9 through an electric signal; the single chip microcomputer 8 is connected with the DAC chip 7 through an electric signal, the DAC chip 7 is connected with the signal amplification circuit 6 through an electric signal, and the signal amplification circuit 6 is connected with the double-channel rotary transformer 1 through an excitation signal (a sine wave signal with specific frequency).
The double-channel rotary transformer 1 comprises a single-pole-pair rotary transformer and a multi-stage rotary transformer; the single-pair-pole (two-pole) rotary transformer is called a coarse channel and a coarse machine because of low measurement, the multi-stage rotary transformer is called a fine channel and a fine machine because of high measurement precision, the coarse machine generates a coarse machine sine differential signal and a fine machine sine differential signal, and the fine machine generates a fine machine sine differential signal and a fine machine cosine differential signal. The double-channel rotary transformer 1 is connected with a signal input circuit, and a coarse sine signal, a fine sine signal, a coarse cosine differential signal and a fine cosine differential signal are input into a single chip microcomputer 8 after being processed by a signal input circuit 2, a phase-sensitive rectifying circuit 3, a filter circuit 4 and an ADC chip 5; a motor corner calculation chip in the singlechip 8 calculates the corner of the motor and transmits a digital quantity signal to the wireless communication module 9; the phase-sensitive rectifying circuit 3 adjusts the amplitude and the phase of the coarse sine signal and the fine sine signal and the amplitude and the phase of the coarse cosine signal and the fine cosine signal; the filter circuit 4 can perform a function of filtering noise waves to the two-channel resolver. The single chip microcomputer 8 is connected with the DAC chip 7, the DAC chip 7 is connected with the signal amplification circuit 6, and the signal amplification circuit 6 is connected with the double-channel rotary transformer 1; excitation signals generated by an excitation signal generating circuit in the single chip microcomputer 8 are processed by a DAC chip and a signal amplifying circuit, and then the two-channel rotary transformer is excited. The excitation signal is a sine wave signal with a specific frequency; the signal amplification circuit 6 adjusts the amplitude of the excitation signal so that the amplitude is matched with the impedance of the input end of the dual-channel rotary transformer.
As shown in fig. 2, an embodiment of the present invention provides a wireless communication module including: the Zigbee wireless communication system comprises a Zigbee antenna 10, a Zigbee wireless communication module 11, a data processing chip 12, a Wifi wireless communication module 13, a Wifi antenna 14, a Wifi chip 15, a power circuit 16 and a Zigbee chip 17; the Zigbee antenna 10 is connected with the Zigbee wireless communication module 11, the Zigbee wireless communication module 11 is connected with the data processing chip 12, the data processing chip 12 is connected with the Wifi wireless communication module 13, and the Wifi wireless communication module 13 is connected with the Wifi antenna 14; the Zigbee wireless communication module 11 is connected with the Zigbee chip 17, the data processing chip 12 is connected with the power circuit 16, and the Wifi wireless communication module 13 is connected with the Wifi chip 15; the wireless communication module outputs the angle signal of the rotary transformer to the outside and can receive the control instruction of the outside angle signal.
As shown in fig. 3, the single chip microcomputer provided in the embodiment of the present invention includes: communication interface circuit 18, data processing chip 19, power supply circuit 20, decoding chip 21, memory chip 22. The data processing chip 19 is respectively connected with the communication interface circuit 18, the power supply circuit 20, the decoding chip 21 and the storage chip 22 through electric signals; the power circuit 20 is respectively connected with the ADC chip 5, the DAC chip 7, and the wireless communication module 9, and is configured to provide an operating voltage. The singlechip 8 is as rotary transformer's core processor, and the function that mainly realizes includes: the processing of the error compensation algorithm and the calculation of the roughing angle and the finishing angle, and the calculation of the real shaft angle theta value through the combination of the roughing angle and the finishing angle.
The utility model discloses a theory of operation does: the double-channel rotary transformer 1 is connected with a signal input circuit, and a coarse sine signal, a fine sine signal, a coarse cosine differential signal and a fine cosine differential signal are input into a single chip microcomputer 8 after being processed by a signal input circuit 2, a phase-sensitive rectifying circuit 3, a filter circuit 4 and an ADC chip 5; a motor corner calculation chip in the singlechip 8 calculates the corner of the motor and transmits a digital quantity signal to the wireless communication module 9; the phase-sensitive rectifying circuit 3 adjusts the amplitude and the phase of the coarse sine signal and the fine sine signal and the amplitude and the phase of the coarse cosine signal and the fine cosine signal; the filter circuit 4 can perform a function of filtering noise waves to the two-channel resolver. The single chip microcomputer 8 is connected with the DAC chip 7, the DAC chip 7 is connected with the signal amplification circuit 6, and the signal amplification circuit 6 is connected with the double-channel rotary transformer 1; excitation signals generated by an excitation signal generating circuit in the single chip microcomputer 8 are processed by a DAC chip and a signal amplifying circuit, and then the two-channel rotary transformer is excited. The excitation signal is a sine wave signal with a specific frequency; the signal amplification circuit 6 adjusts the amplitude of the excitation signal so that the amplitude is matched with the impedance of the input end of the dual-channel rotary transformer.
The utility model discloses a current situation of disturbing shortcomings such as resolver work precision when changing unable wireless communication of resolver and wireless communication utilizes Zigbee communication technology, Wifi wireless communication technology, singlechip technique, binary channels resolver technique, preparation wireless communication resolver. The utility model discloses make rotary transformer can satisfy china's rotary transformer wireless communication's market demand.
Compared with the prior art, the utility model has the advantages of as follows: the novel wireless communication rotary transformer outputs rotary transformer angle signals to the outside through a wireless communication technology, and can receive outside angle signal control instructions, so that the difficult problems of remote monitoring of angles, positions and distances are solved. The specific parameters are as follows: as shown in fig. 4, when the measured object rotates 360 °, the maximum error of the angle monitored by the novel wireless communication resolver and transmitted through wireless communication is 0.01438 °, and the average error is within ± 0.014 °. The utility model has the characteristics of high accuracy, high stability and interference immunity, angle, position, distance information that can real-time, accurate, the continuous monitoring testee for wireless super long-distance intelligent control or supplementary driving car provide technical support.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (7)
1. The utility model provides a novel wireless communication resolver, its characterized in that, novel wireless communication resolver is provided with:
a dual-channel rotary transformer;
the double-channel rotary transformer is connected with the signal input circuit through an electric signal, and the signal input circuit is connected with the phase-sensitive rectifying circuit through an electric signal;
the phase-sensitive rectifying circuit is connected with the filter circuit through an electric signal, and the filter circuit is connected with the ADC chip through an electric signal;
the ADC chip is connected with the single chip microcomputer through an electric signal, and the single chip microcomputer is connected with the wireless communication module through an electric signal.
2. The novel wireless communication rotary transformer as claimed in claim 1, wherein the single chip microcomputer is connected with the DAC chip through an electrical signal, the DAC chip is connected with the signal amplification circuit through an electrical signal, and the signal amplification circuit is connected with the dual-channel rotary transformer through an excitation signal.
3. The novel wireless communication resolver of claim 1, wherein the dual-channel resolver comprises a single-pole resolver and a multi-stage resolver.
4. The novel wireless communication rotary transformer of claim 1, wherein the wireless communication module is provided with a Zigbee antenna, and the Zigbee antenna is connected with the Zigbee wireless communication module;
the Zigbee wireless communication module is connected with the data processing chip, the data processing chip is connected with the Wifi wireless communication module, and the Wifi wireless communication module is connected with the Wifi antenna.
5. The novel wireless communication rotary transformer of claim 4, wherein the Zigbee wireless communication module is connected with a Zigbee chip, the data processing chip is connected with the power circuit, and the Wifi wireless communication module is connected with a Wifi chip.
6. The novel wireless communication rotary transformer as claimed in claim 1, wherein the single chip is provided with a data processing chip, and the data processing chip is respectively connected with the communication interface circuit, the power circuit, the decoding chip and the storage chip through electric signals.
7. The novel wireless communication rotary transformer of claim 6, wherein the power circuit is connected with the ADC chip, the DAC chip and the wireless communication module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022909254.9U CN213521714U (en) | 2020-12-07 | 2020-12-07 | Novel wireless communication rotary transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022909254.9U CN213521714U (en) | 2020-12-07 | 2020-12-07 | Novel wireless communication rotary transformer |
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| CN213521714U true CN213521714U (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116015321A (en) * | 2023-01-03 | 2023-04-25 | 深圳市西京电力科技有限公司 | Novel wireless communication rotary transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116015321A (en) * | 2023-01-03 | 2023-04-25 | 深圳市西京电力科技有限公司 | Novel wireless communication rotary transformer |
| CN116015321B (en) * | 2023-01-03 | 2024-05-10 | 广东立勤电子有限公司 | Wireless communication rotary transformer |
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