CN108827350A - A kind of CAN bus based more rotary transformer decoding apparatus - Google Patents
A kind of CAN bus based more rotary transformer decoding apparatus Download PDFInfo
- Publication number
- CN108827350A CN108827350A CN201810715446.0A CN201810715446A CN108827350A CN 108827350 A CN108827350 A CN 108827350A CN 201810715446 A CN201810715446 A CN 201810715446A CN 108827350 A CN108827350 A CN 108827350A
- Authority
- CN
- China
- Prior art keywords
- bus
- rotary transformer
- decoding apparatus
- circuit
- transmitting line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims abstract description 26
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000035939 shock Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
- G08C19/28—Electric signal transmission systems in which transmission is by pulses using pulse code
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of CAN bus based more rotary transformer decoding apparatus, including：Multiple rotary transformer connecting terminals；The Acquisition Circuit being connected with each rotary transformer connecting terminal；The decoding circuit being connected with Acquisition Circuit；The CAN bus transmitting line being connected with decoding circuit；The first CAN communication interface connected with CAN bus transmitting line and corresponding CAN bus；The analog signal for the rotary transformer output that multiple rotary transformer connecting terminals respectively connect is converted to corresponding angle value by decoding circuit by the present invention, is realized and is decoded simultaneously to multiple rotary transformers；Angle value is converted into corresponding CAN bus information by CAN bus transmitting line, and it is sent to the CAN bus connecting with the first CAN communication interface, decoded information is transmitted using CAN communication, it solves the interface problem of rotary transformer and engineering mechanical device communication, reduces the measurement cost of multi-rotation angle.
Description
Technical field
The present invention relates to signals of rotating transformer switch technology field, in particular to a kind of CAN bus based more rotations
Transformer decoding apparatus.
Background technique
In engineering machinery field, the position detection of rotary joint is usually used rotary encoder or is become using single rotation
The decoding apparatus of depressor carrys out measurement angle, but when for needing to carry out multiple rotation angle measurements in equipment, if using rotation
The decoding apparatus for turning encoder or single rotary transformer can make the higher cost measured, and installation space is larger；And it is existing
The measurement result that the decoding apparatus of rotary encoder or single rotary transformer in technology obtains, often can not directly transmit
To corresponding engineering mechanical device, it is unfavorable for user experience.
Therefore, how one kind is provided and can while multiple rotary transformers be decoded and can be used and is suitble to engineering machine
The decoding apparatus of the bus way of output output decoded information of tool equipment, reduces the measurement cost of multi-rotation angle, saves installation
Space promotes user experience, is urgent problem now.
Summary of the invention
The object of the present invention is to provide a kind of CAN bus based more rotary transformer decoding apparatus, simultaneously to multiple
Rotary transformer is decoded, and decoded information is transmitted using CAN communication, reduces the measurement cost of multi-rotation angle.
In order to solve the above technical problems, the present invention provides a kind of CAN bus based more rotary transformer decoding apparatus, packet
It includes：
Multiple rotary transformer connecting terminals for being used to connect corresponding rotary transformer；
It is connected with each rotary transformer connecting terminal, acquires each rotary transformer connecting terminal respectively
The Acquisition Circuit of the analog signal of the rotary transformer output of connection；
It is connected with the Acquisition Circuit, the analog signal is converted to the decoding circuit of corresponding angle value；
It is connected with the decoding circuit, the CAN bus that the angle value is converted to corresponding CAN bus information is sent into electricity
Road；
It is connected with the CAN bus transmitting line and corresponding CAN bus, the CAN bus information is transferred to correspondence
CAN bus the first CAN communication interface.
Optionally, the CAN bus transmitting line, including：
For the CAN node DIP device of CAN node number to be arranged.
Optionally, grease is filled in the shell of each switch in the CAN node DIP device.
Optionally, which further includes：
It is connected with the CAN bus transmitting line and corresponding CAN bus, the CAN bus information is transferred to correspondence
CAN bus the second CAN communication interface.
Optionally, which further includes：
It is the Acquisition Circuit, the decoding circuit and the CAN bus transmitting line for power supply corresponding with connection
First power supply terminal of power supply.
Optionally, which further includes：
It is the Acquisition Circuit, the decoding circuit and the CAN bus transmitting line for power supply corresponding with connection
The second source connecting terminal of power supply.
Optionally, which further includes：Double-layer circuit board and shell；
Wherein, multiple rotary transformer connecting terminals and the first CAN communication interface are arranged at the bilayer
The upper layer of circuit board, the double-layer circuit board are fixed in the shell by resilient cushion.
Optionally, which further includes：
The setting of preset quantity is used for the hydraulic tapered end of inlet wire and outlet on the housing.
Optionally, multiple rotary transformer connecting terminals are spring terminal.
Optionally, the shell is specially cast aluminium metal shell.
The CAN bus based more rotary transformer decoding apparatus of one kind provided by the present invention, including：It is multiple to be used to connect
The rotary transformer connecting terminal of corresponding rotary transformer；It is connected with each rotary transformer connecting terminal, acquires
The Acquisition Circuit of the analog signal for the rotary transformer output that each rotary transformer connecting terminal respectively connects；With Acquisition Circuit
It is connected, converts analog signals into the decoding circuit of corresponding angle value；It is connected with decoding circuit, angle value is converted into correspondence
CAN bus information CAN bus transmitting line；It is connected with CAN bus transmitting line and corresponding CAN bus, by CAN bus
Information is transferred to the first CAN communication interface of corresponding CAN bus；
As it can be seen that the present invention is defeated by the rotary transformer that decoding circuit respectively connects multiple rotary transformer connecting terminals
Analog signal out is converted to corresponding angle value, may be implemented simultaneously to be decoded multiple rotary transformers；It is total by CAN
Angle value is converted to corresponding CAN bus information by line transmitting line, and is sent to the CAN connecting with the first CAN communication interface
Bus transmits decoded information using CAN communication, solves the interface problem of rotary transformer and engineering mechanical device communication,
The measurement cost for reducing multi-rotation angle, saves installation space, and the user experience is improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structure of the CAN bus based more rotary transformer decoding apparatus of one kind provided by the embodiment of the present invention
Figure；
Fig. 2 is the knot of the CAN bus based more rotary transformer decoding apparatus of another kind provided by the embodiment of the present invention
Structure schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the CAN bus based more rotary transformer decodings of one kind provided by the embodiment of the present invention
The structure chart of device.The apparatus may include：
Multiple rotary transformer connecting terminals 10 for being used to connect corresponding rotary transformer；
It is connected with each rotary transformer connecting terminal, acquires the rotation that each rotary transformer connecting terminal respectively connects
Change the Acquisition Circuit 20 of the analog signal of depressor output；
It is connected with Acquisition Circuit 20, converts analog signals into the decoding circuit 30 of corresponding angle value；
It is connected with decoding circuit 30, angle value is converted to the CAN bus transmitting line 40 of corresponding CAN bus information；
It is connected with CAN bus transmitting line 40 and corresponding CAN bus, it is total that CAN bus information is transferred to corresponding CAN
First CAN communication interface 50 of line.
Wherein, the purpose in the present embodiment can become for the rotation respectively connected to each rotary transformer connecting terminal 10
Depressor is decoded, and sends the conversion of decoded information in the CAN bus connecting with the first CAN communication interface.For
Quantity is specifically arranged in the multiple rotary transformer connecting terminals 10 being arranged in the present embodiment, can be by designer according to practical field
Scape and user demand self-setting, as shown in Fig. 2, 5 rotary transformer connecting terminals 10 can be set, that is to say, that in Fig. 2
More rotary transformer decoding apparatus at most can simultaneously 5 rotary transformers are decoded.
It is understood that the Acquisition Circuit 20 in this implementation can acquire and multiple rotary transformer connecting terminals 10 1
To the analog signal of the corresponding output of working condition of multiple rotary transformers of a connection, for the specific knot of Acquisition Circuit 20
Structure can may include and each rotation according to practical scene and user demand self-setting, such as Acquisition Circuit 20 by designer
Turn multiple acquisition sub-circuits of the one-to-one connection of transformer connecting terminal 10, that is, the acquisition of each acquisition sub-circuit with it is corresponding
The analog signal of the output for the rotary transformer that rotary transformer connecting terminal 10 connects；Acquisition Circuit 20 can also be direct
The analog signal of acquisition and the output of multiple rotary transformers of the one-to-one connection of multiple rotary transformer connecting terminals 10.As long as
Acquisition Circuit 20 can acquire and the output of multiple rotary transformers of the one-to-one connection of multiple rotary transformer connecting terminals 10
Analog signal, for the particular circuit configurations of Acquisition Circuit 20, the present embodiment is unrestricted to this.
Corresponding, multiple rotary transformers that the decoding circuit 30 in this implementation can acquire Acquisition Circuit 20 are respectively right
The analog signal answered is converted to corresponding angle value (digital signal and fault message).For the specific structure of decoding circuit 30,
It can be by designer according to practical scene and user demand self-setting, as when electric including multiple acquisitions in Acquisition Circuit 20
Lu Shi, decoding circuit 30 may include multiple decoding sub-circuits with each acquisition one-to-one connection of sub-circuit, that is, each
The analog signal of corresponding acquisition sub-circuit output is converted to corresponding angle value by decoding sub-circuit；Decoding circuit 30 can also be with
Multiple analog signals that directly Acquisition Circuit 20 is exported are converted into corresponding angle value.The present embodiment is to this not by any
Limitation.
Wherein, multiple rotation transformations that the CAN bus transmitting line 40 in the present embodiment can export decoding circuit 30
The corresponding angle value of device is converted to corresponding CAN bus information, is sent to the CAN connecting with the first CAN communication interface 50
Bus.For the specific structure of CAN bus transmitting line 40, can by designer according to practical scene and user demand voluntarily
Setting, the present embodiment are unrestricted to this.Further, as shown in Fig. 2, CAN bus transmitting line in the present embodiment
41 may include the CAN node DIP device 41 for CAN node number to be arranged, and user can be decoded by the way that more rotary transformers are arranged
The CAN node number of device, the CAN bus information that easy-to-look-up CAN bus transmitting line 40 is sent.It is corresponding, it can be saved in CAN
Grease is filled in the shell of each switch in point DIP device 41, promotes the shock resistance of CAN node DIP device 41.The present embodiment
It is same unrestricted to this.
It should be noted that more rotary transformer decoding apparatus provided in the present embodiment may include for Acquisition Circuit
20, the internal electric source that decoding circuit 30 and CAN bus transmitting line 40 are powered；It or may include being used for and external power supply
It is connected as the first power supply terminal that Acquisition Circuit 20, decoding circuit 30 and CAN bus transmitting line 40 are powered.As long as
Each circuit in more rotary transformer decoding apparatus can be powered, it can be with for the specific power supply mode of each circuit
By designer's self-setting, the present embodiment does not do any restrictions to this.Further, as shown in Fig. 2, it is more in the present embodiment
In rotary transformer decoding apparatus may include to 61 two use of the first power supply terminal 60 and second source connecting terminal
In being connected as the connecting terminal that Acquisition Circuit 20, decoding circuit 30 and CAN bus transmitting line 40 are powered with external power supply,
Improve the reliability of more rotary transformer decoding apparatus.First power supply terminal 60 and second source connecting terminal 61 are connected
The specific choice of the external power supply connect can such as can connect 24V power supply by designer or user's self-setting.This implementation
Example does not do any restrictions equally to this.
Specifically, as shown in Fig. 2, more rotary transformer decoding apparatus provided by the present embodiment can also include：With CAN
Bus transmitting line 40 is connected with corresponding CAN bus, and the 2nd CAN that CAN bus information is transferred to corresponding CAN bus is led to
Believe interface 51.That is, more rotary transformer decoding apparatus may include the CAN communication interface of two transmission decoded informations
(the first CAN communication interface 50 and the second CAN communication interface 51), further facilitates the use of user.
Preferably, in order to improve the shock resistances of more rotary transformer decoding apparatus provided by the present embodiment, facilitate user
Use, as shown in Fig. 2, more rotary transformer decoding apparatus can also include：Double-layer circuit board 70 and shell 80；Wherein, more
A rotary transformer connecting terminal 10, the first power supply terminal 60, second source connecting terminal 61, the first CAN communication interface
50, the second CAN communication interface 51 and CAN node DIP device 41 can be arranged at the upper layer of double-layer circuit board 70, to facilitate use
Family uses；Double-layer circuit board 70 can be fixed in shell 80 by resilient cushion, to promote more rotary transformer decoding apparatus
Shock resistance.Further, for the degree of protection of more rotary transformer decoding apparatus of raising, shell 80 can be using protection energy
The stronger cast aluminium metal shell of power.The present embodiment is not done any restrictions to this.
Preferably, for the disengaging being connect with the connecting terminal in more rotary transformer decoding apparatus to shell 80 is passed through
Line is protected, as shown in Fig. 2, more rotary transformer decoding apparatus can also include：The setting of preset quantity is on shell 80
Hydraulic tapered end 90 for inlet wire and outlet.Wherein, hydraulic tapered end 90 can be become by hydraulic tube or the more rotations of rubber tube protection
The inlet-outlet line of depressor decoding apparatus.Specifically, the particular number of hydraulic tapered end 90 and setting position for being arranged on shell 80,
Can be by designer according to practical scene and user demand self-setting, it can be as shown in Fig. 2, in opposite two of shell 80
Side opposes respectively is arranged 3 hydraulic tapered ends 90.
Specifically, in this present embodiment such as the wiring of rotary transformer connecting terminal 10 and the first CAN communication interface 50
The setting of the specific structure type of terminal can such as be all made of the stronger bullet of shock resistance by designer's self-setting
Spring terminal, to enhance the shock resistance of wiring point.The present embodiment is unrestricted to this.
In the present embodiment, the embodiment of the present invention is respectively connected multiple rotary transformer connecting terminals 10 by decoding circuit 30
Connect rotary transformer output analog signal be converted to corresponding angle value, may be implemented simultaneously to multiple rotary transformers into
Row decoding；Angle value is converted into corresponding CAN bus information by CAN bus transmitting line 40, and is sent to and the first CAN
The CAN bus that communication interface 50 connects, transmits decoded information using CAN communication, solves rotary transformer and engineering machinery
The interface problem of device talk reduces the measurement cost of multi-rotation angle, saves installation space, and the user experience is improved.
CAN bus based more rotary transformer decoding apparatus provided by the present invention are described in detail above.
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (10)
1. a kind of CAN bus based more rotary transformer decoding apparatus, which is characterized in that including：
Multiple rotary transformer connecting terminals for being used to connect corresponding rotary transformer；
It is connected with each rotary transformer connecting terminal, acquires each rotary transformer connecting terminal and respectively connect
Rotary transformer output analog signal Acquisition Circuit；
It is connected with the Acquisition Circuit, the analog signal is converted to the decoding circuit of corresponding angle value；
It is connected with the decoding circuit, the angle value is converted to the CAN bus transmitting line of corresponding CAN bus information；
It is connected with the CAN bus transmitting line and corresponding CAN bus, the CAN bus information is transferred to corresponding CAN
First CAN communication interface of bus.
2. CAN bus based more rotary transformer decoding apparatus according to claim 1, which is characterized in that the CAN
Bus transmitting line, including：
For the CAN node DIP device of CAN node number to be arranged.
3. CAN bus based more rotary transformer decoding apparatus according to claim 2, which is characterized in that the CAN
Grease is filled in the shell of each switch in node DIP device.
4. CAN bus based more rotary transformer decoding apparatus according to claim 1, which is characterized in that further include：
It is connected with the CAN bus transmitting line and corresponding CAN bus, the CAN bus information is transferred to corresponding CAN
Second CAN communication interface of bus.
5. CAN bus based more rotary transformer decoding apparatus according to claim 1, which is characterized in that further include：
It is the Acquisition Circuit, the decoding circuit and CAN bus transmitting line power supply for power supply corresponding with connection
The first power supply terminal.
6. CAN bus based more rotary transformer decoding apparatus according to claim 5, which is characterized in that further include：
It is the Acquisition Circuit, the decoding circuit and CAN bus transmitting line power supply for power supply corresponding with connection
Second source connecting terminal.
7. CAN bus based more rotary transformer decoding apparatus according to any one of claims 1 to 6, feature exist
In further including：Double-layer circuit board and shell；
Wherein, multiple rotary transformer connecting terminals and the first CAN communication interface are arranged at the odt circuit
The upper layer of plate, the double-layer circuit board are fixed in the shell by resilient cushion.
8. CAN bus based more rotary transformer decoding apparatus according to claim 7, which is characterized in that further include：
The setting of preset quantity is used for the hydraulic tapered end of inlet wire and outlet on the housing.
9. CAN bus based more rotary transformer decoding apparatus according to claim 7, which is characterized in that Duo Gesuo
Stating rotary transformer connecting terminal is spring terminal.
10. CAN bus based more rotary transformer decoding apparatus according to claim 7, which is characterized in that described outer
Shell is specially cast aluminium metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715446.0A CN108827350A (en) | 2018-07-03 | 2018-07-03 | A kind of CAN bus based more rotary transformer decoding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715446.0A CN108827350A (en) | 2018-07-03 | 2018-07-03 | A kind of CAN bus based more rotary transformer decoding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108827350A true CN108827350A (en) | 2018-11-16 |
Family
ID=64135385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810715446.0A Pending CN108827350A (en) | 2018-07-03 | 2018-07-03 | A kind of CAN bus based more rotary transformer decoding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108827350A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08115504A (en) * | 1994-10-14 | 1996-05-07 | Sony Corp | Digital signal recorder |
| RU2359404C2 (en) * | 2007-04-23 | 2009-06-20 | Открытое акционерное общество Арзамасское научно-производственное предприятие "ТЕМП-АВИА" (ОАО АНПП "ТЕМП-АВИА") | Device for measurement of static error of rotary transformer |
| CN201655521U (en) * | 2010-03-01 | 2010-11-24 | 盛能动力科技(深圳)有限公司 | Decoding device and system for universal rotating transformer |
| CN103253304A (en) * | 2013-06-04 | 2013-08-21 | 安徽安凯汽车股份有限公司 | Rotary transformer type steering angle sensor of electric automobile and detection method thereof |
| CN103731133A (en) * | 2014-01-20 | 2014-04-16 | 四川九洲电器集团有限责任公司 | Field programmable gate array (FPGA) based output device and method for rotary transformer |
| CN205280114U (en) * | 2015-12-29 | 2016-06-01 | 上海大郡动力控制技术有限公司 | Electric automobile electrical resolver decoding circuit output signal accuracy testing system |
| CN105739360A (en) * | 2014-12-10 | 2016-07-06 | 国核电站运行服务技术有限公司 | Precise measurement apparatus for multichannel rotary transformer |
| CN206819343U (en) * | 2017-05-26 | 2017-12-29 | 苏州新研联信息科技有限公司 | A kind of serial server device based on universal serial bus |
-
2018
- 2018-07-03 CN CN201810715446.0A patent/CN108827350A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08115504A (en) * | 1994-10-14 | 1996-05-07 | Sony Corp | Digital signal recorder |
| RU2359404C2 (en) * | 2007-04-23 | 2009-06-20 | Открытое акционерное общество Арзамасское научно-производственное предприятие "ТЕМП-АВИА" (ОАО АНПП "ТЕМП-АВИА") | Device for measurement of static error of rotary transformer |
| CN201655521U (en) * | 2010-03-01 | 2010-11-24 | 盛能动力科技(深圳)有限公司 | Decoding device and system for universal rotating transformer |
| CN103253304A (en) * | 2013-06-04 | 2013-08-21 | 安徽安凯汽车股份有限公司 | Rotary transformer type steering angle sensor of electric automobile and detection method thereof |
| CN103731133A (en) * | 2014-01-20 | 2014-04-16 | 四川九洲电器集团有限责任公司 | Field programmable gate array (FPGA) based output device and method for rotary transformer |
| CN105739360A (en) * | 2014-12-10 | 2016-07-06 | 国核电站运行服务技术有限公司 | Precise measurement apparatus for multichannel rotary transformer |
| CN205280114U (en) * | 2015-12-29 | 2016-06-01 | 上海大郡动力控制技术有限公司 | Electric automobile electrical resolver decoding circuit output signal accuracy testing system |
| CN206819343U (en) * | 2017-05-26 | 2017-12-29 | 苏州新研联信息科技有限公司 | A kind of serial server device based on universal serial bus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20040011194A1 (en) | Arrangement using fluid technology and valve arrangement and actuator for the same | |
| US9166801B2 (en) | Intrinsically safe connection unit with a network interface, intrinsically safe appliance and network interface for it | |
| JP5631368B2 (en) | Electrical connection line | |
| CN110914879B (en) | Field device adapter for wireless data transfer | |
| CN108827350A (en) | A kind of CAN bus based more rotary transformer decoding apparatus | |
| CN203858306U (en) | Automatic detection device for distribution network feeder terminal unit FTU | |
| CN111447244B (en) | One-wire communication extension communication method and device for electric vehicle | |
| CN217239863U (en) | Plug-in connector structure with good waterproof effect | |
| CN203552839U (en) | Wafer insulation resistor | |
| CN207352762U (en) | A kind of R-T unit of wireless communication transmission mode | |
| CN207409130U (en) | A kind of electric carrier apparatus | |
| CN215265076U (en) | Wireless analog quantity transmission system | |
| CN101453093A (en) | Jumper wire apparatus and jumper wire apparatus assembly | |
| RU90058U1 (en) | COMBINED COMMUNICATION LINE BETWEEN MODULES OF THE LOAD Crane SECURITY SYSTEM | |
| CN201508726U (en) | Composite electric wire | |
| CN216353760U (en) | Bushing type current transformer with wireless temperature measurement function | |
| CN201846071U (en) | Surge protection device of high-definition network camera | |
| CN218868252U (en) | RJ11 type CAN/RS485 dual-mode communication channel data acquisition terminal | |
| CN214014587U (en) | Street lamp controller | |
| CN109921610B (en) | Extension set for realizing two-wire system bus | |
| CN212785348U (en) | Two-way analog signal communication transceiver circuit based on single signal wire | |
| CN213715722U (en) | Encoder multiplex line | |
| CN219979851U (en) | Transfer manipulator pressure sensor line | |
| CN213455908U (en) | Electric power binding post temperature measuring device | |
| CN219304894U (en) | Structure for realizing rescue by means of carrier communication of underwater vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Applicant after: China Railway Construction Heavy Industry Co.,Ltd. Address before: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Applicant before: China Railway Construction Heavy Industry Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |
|
| RJ01 | Rejection of invention patent application after publication |