CN211180617U

CN211180617U - Encoder realized through power line carrier

Info

Publication number: CN211180617U
Application number: CN202020127746.XU
Authority: CN
Inventors: 王献伟; 徐东桂; 张文彬; 曹小莲
Original assignee: Guangzhou Weide Electric Equipment Co ltd
Current assignee: Guangzhou Weide Electric Equipment Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-08-04
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses an encoder through power carrier realization, including encoder circuit and power supply circuit, the encoder circuit includes magnetic encoding chip U1, singlechip chip U2, transformer T1, rectifier bridge D1 and zener diode D2, magnetic encoding chip U1's U end, the V end, the W end, the A end, B end and Z end and singlechip chip U2's RA3 end, RA4 end, RA5 end, RC5 end, RC4 end and RC3 end correspond and are connected, magnetic encoding chip U1's OUT end is connected with transformer T1's input, transformer T1's output is connected with rectifier bridge D1's AC1 end and V + end, rectifier bridge D1's V-end is connected with zener diode D2, rectifier bridge D1's AC2 end and zener diode D2 are connected with servo motor's UVW power line. The circuit transmits signals to the servo controller in a power carrier mode of the UVW power line, and the simplest connection between the servo controller and the servo motor is achieved.

Description

Encoder realized through power line carrier

Technical Field

The utility model relates to the field of electronic technology, concretely relates to encoder through power line carrier realizes.

Background

The existing technology generally realizes the process that the servo motor respectively connects a UVW Power line and a coding line to a servo controller end, wherein the Power line adopts P L C (Power L in Communication, Power line carrier wave) Communication, and a special Communication mode for carrying out voice or data transmission by using a high-voltage Power line, a medium-voltage Power line or a low-voltage distribution line as an information transmission medium is adopted for the servo motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an encoder through power line carrier realizes the simplest hookup mode between servo controller and the servo motor.

To achieve the purpose, the utility model adopts the following technical proposal:

an encoder realized by power carrier is provided, which comprises an encoder circuit and a power circuit, wherein the encoder circuit comprises a magnetic encoding chip U1, a singlechip chip U2, a transformer T1, a rectifier bridge D1 and a voltage stabilizing diode D2, the U end, the V end, the W end, the A end, the B end and the Z end of the magnetic encoding chip U1 are respectively connected with the RA3 end, the RA4 end, the RA5 end, the RC5 end, the RC4 end and the RC3 end of the singlechip chip U2 in a one-to-one correspondence manner, the OUT end of the magnetic encoding chip U1 is connected with the second input end of the transformer T1, the first output end and the second output end of the transformer T1 are respectively connected with the AC1 end and the V + end of the rectifier bridge D1 in a one-to-one correspondence manner, the V-end of the rectifier bridge D1 is connected with the positive pole of the voltage stabilizing diode D2, the AC2 end of the rectifier bridge D1 and the negative pole of the voltage stabilizing diode D2 are respectively connected with the W servo motor, the HVPP end and the VDD end of the magnetic coding chip U1, the VCC end of the single chip microcomputer chip U2 and the first input end of the transformer T1 are respectively connected with the 5V output end of the power circuit, and the VSS end of the magnetic coding chip U1 and the VSS end of the single chip microcomputer chip U2 are respectively grounded.

As a preferred scheme of an encoder implemented by a power carrier, the power circuit includes a voltage stabilizing chip U, a fuse F, a common mode inductor 1, an inductor 2, a diode D, a light emitting diode D, a resistor R, a safety capacitor C, a polarity capacitor C, a capacitor C, and a capacitor C, one end of the fuse F is connected to the power supply, and the other end is connected to the anode of the diode D, the cathode of the diode D is connected to the 1 end of the common mode inductor 1 after being connected in parallel to the safety capacitor C, the cathode of the common mode inductor 1 is connected to the VIN end of the voltage stabilizing chip U after being connected in parallel to the safety capacitor C, the anode of the polarity capacitor C, and the capacitor C, the resistor R is connected to the FB end of the voltage stabilizing chip U after being connected in parallel to the resistor R and the capacitor C, the cathode of the inductor 2 is connected to the SW end of the voltage stabilizing chip U after being connected in parallel to the cathode of the capacitor C, the resistor R, the resistor C, the FB end of the common mode inductor D is connected to the SW end of the voltage stabilizing chip U, the cathode of the diode C, the anode of the diode C, the diode D, the cathode of the diode D is connected to the diode C, the cathode of the diode C5, the diode C, the diode D, the cathode of the diode D, and the diode D are connected to the diode D, and the diode D, the diode D are.

As a preferable scheme of the encoder implemented by the power carrier, the magnetic encoding chip U1 is MT 6825.

As a preferable scheme of the encoder implemented by the power line carrier, the single chip microcomputer chip U2 is PIC16F 616.

As a preferable scheme of the encoder implemented by the power carrier, the rectifier bridge D1 is 2W 06.

As a preferable scheme of the encoder implemented by the power carrier, the voltage regulation chip U3 is an MP 2565.

As a preferable example of the encoder implemented by the power carrier, the resistance value of the resistor R1 is 1K Ω, the resistance value of the resistor R2 is 3.3K Ω, and the resistance value of the resistor R3 is 470 Ω.

As a preferable scheme of the encoder implemented by the power carrier, the capacitances of the safety capacitor C1 and the safety capacitor C2 are both 22nF, the capacitances of the polar capacitor C3 and the capacitor C7 are both 470 μ F, the capacitance of the capacitor C4 is 0.1 μ F, the capacitance of the capacitor C5 is 33nF, and the capacitance of the capacitor C6 is 10 μ F.

The utility model has the advantages that:

the circuit consists of a magnetic coding chip, a single chip microcomputer chip and a circuit related to power carrier waves, and is used for reading and transmitting UVW/ABZ signals by a servo controller, the UVW and ABZ signals of a servo motor rotor are obtained by the magnetic coding chip and then transmitted to a secondary circuit of a high-frequency transformer through a high-frequency transformer with an isolation function, the secondary circuit performs signal shaping and boosting through the circuit related to the power carrier waves, the obtained signals are transmitted to the servo controller in a power carrier wave mode through a UVW power line of the servo motor, the servo controller demodulates the signals, and the demodulated UVW and ABZ signals are transmitted to a main control chip of the servo controller, so that high-precision control of the servo motor is realized.

The circuit directly transmits the UVW/ABZ signals to the servo controller in a power carrier mode of the UVW power line, application of a coding line is omitted, the simplest connection mode between the servo controller and the servo motor is achieved, and accurate control can be achieved only by connecting the UVW power line between the servo controller and the servo motor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic circuit diagram of an encoder circuit according to an embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of a power circuit according to an embodiment of the present invention.

In fig. 1 and 2:

1. an encoder circuit; 2. a power supply circuit.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, the encoder implemented by power line carrier in the embodiment of the present invention includes an encoder circuit 1 and a power circuit 2, the encoder circuit 1 includes a magnetic encoding chip U1, a single chip U2, a transformer T1, a rectifier bridge D1 and a zener diode D2, the U, V, W, a, B and Z terminals of the magnetic encoding chip U1 are respectively connected to an RA3 terminal, an RA4 terminal, an RA5 terminal, an RC5 terminal, an RC4 terminal and an RC3 terminal of the single chip U2 in a one-to-one correspondence manner, an OUT terminal of the magnetic encoding chip U1 is connected to a second input terminal of the transformer T1, a first output terminal and a second output terminal of the transformer T1 are respectively connected to an AC1 terminal and a V + terminal of a rectifier bridge D1 in a one-to-one correspondence manner, a V-terminal of the rectifier bridge D1 is connected to an anode of the zener diode D2, a AC2 terminal of the rectifier bridge D1 and a cathode of the rectifier bridge D2 are respectively connected to a power line of the, an HVPP end and a VDD end of the magnetic coding chip U1, a VCC end of the single chip microcomputer chip U2 and a first input end of the transformer T1 are respectively connected with a 5V output end of the power circuit 2, and a VSS end of the magnetic coding chip U1 and a VSS end of the single chip microcomputer chip U2 are respectively grounded.

The circuit consists of a magnetic coding chip U1, a singlechip chip U2 and a circuit related to power carrier waves, and is used for reading and transmitting UVW/ABZ signals by a servo controller, the UVW and ABZ signals of a rotor of a servo motor are obtained by the magnetic coding chip U1 and then are transmitted to a secondary circuit of a high-frequency transformer T1 through a high-frequency transformer T1 with an isolation effect, the secondary circuit is subjected to signal shaping and boosting by the circuit related to the power carrier waves, and then the obtained signals are transmitted to the servo controller in a power carrier wave mode through a UVW power line of the servo motor, so that high-precision control over the servo motor is achieved. In the embodiment, the UVW/ABZ signals are directly transmitted to the servo controller in a power carrier mode of the UVW power line, so that the application of a coding line is omitted, the simplest connection mode between the servo motor controller and the servo motor is realized, and accurate control can be realized only by connecting the UVW power line between the servo motor controller and the servo motor.

As a preferred embodiment of the utility model, power supply circuit 2 includes voltage regulation chip U, fuse F, common mode inductance 1, inductance 2, diode D, emitting diode D, resistance R, ann rule electric capacity C, polarity electric capacity C, electric capacity C and electric capacity C, fuse F one end is connected with the power, the other end is connected with diode D's positive pole, diode D's negative pole is connected with 1 end of common mode inductance 1 after connecting in parallel with ann rule electric capacity C, 2 ends of common mode inductance 1 respectively with ann rule electric capacity C, polarity electric capacity C's positive pole and electric capacity C connect with voltage regulation chip U's VIN end after connecting in parallel, resistance R respectively with resistance R, electric capacity C connects with voltage regulation chip U's FB end after connecting in parallel, inductance 2 connects with voltage regulation chip U's negative pole after connecting in parallel with diode D's negative pole, inductance 2 respectively with electric capacity C, electric capacity C and resistance R output 5V voltage, resistance R's one end and 5V voltage, the other end is connected with emitting capacitor D, the positive pole of luminous capacity C and 3N's negative pole, equal ground connection of common mode electric capacity C, common mode inductance C and voltage regulation electric capacity C, the diode D's negative pole is connected with the equal ground connection of the diode D.

In the present embodiment, the magnetic encoding chip U1 is MT 6825.

In this embodiment, the one-chip microcomputer U2 is a PIC16F 616.

In the present embodiment, the rectifier bridge D1 is 2W 06.

In the present embodiment, the voltage regulator chip U3 is MP 2565.

In the embodiment, the resistance of the resistor R1 is 1K Ω, the resistance of the resistor R2 is 3.3K Ω, and the resistance of the resistor R3 is 470 Ω.

In this embodiment, the capacitances of the safety capacitor C1 and the safety capacitor C2 are 22nF, the capacitances of the polar capacitor C3 and the capacitor C7 are 470 μ F, the capacitance of the capacitor C4 is 0.1 μ F, the capacitance of the capacitor C5 is 33nF, and the capacitance of the capacitor C6 is 10 μ F.

The circuit comprises a magnetic coding chip U1, a single chip microcomputer chip U2 and a circuit related to power carriers, wherein a power circuit 2 is electrified, the power circuit 2 can provide 5V stable voltage for an encoder circuit 1 through conversion of related circuits such as a common mode inductor L1 and a voltage stabilizing chip U3, the single chip microcomputer chip U2 in the encoder circuit 1 is used for arranging the magnetic coding chip U1, the magnetic coding chip U1 is connected with a servo motor, UVW and ABZ signals of a rotor of the servo motor can be obtained and transmitted to a secondary circuit of a high-frequency transformer T1 with isolation and transformation functions, the signals are shaped and boosted through the secondary circuit and the circuit related to the power carriers formed by a rectifier bridge D1 and a voltage stabilizing diode D2, and finally the obtained signals are transmitted to a servo controller through a UVW circuit line of the servo motor in a power carrier mode, the servo controller demodulates the signals and transmits the demodulated UVW and ABZ signals to a main control chip of the servo controller to realize high-precision control of the servo motor.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. An encoder realized by power carrier is characterized by comprising an encoder circuit (1) and a power supply circuit (2), wherein the encoder circuit (1) comprises a magnetic encoding chip U1, a singlechip chip U2, a transformer T1, a rectifier bridge D1 and a voltage stabilizing diode D2, the U end, the V end, the W end, the A end, the B end and the Z end of the magnetic encoding chip U1 are respectively connected with an RA3 end, an RA4 end, an RA5 end, an RC5 end, an RC4 end and an RC3 end of the singlechip chip U2 in a one-to-one correspondence manner, the OUT end of the magnetic encoding chip U1 is connected with a second input end of the transformer T1, a first output end and a second output end of the transformer T1 are respectively connected with an AC1 end and a V + end of the rectifier bridge D1 in a one-to-one manner, the V-end of the rectifier bridge D1 is connected with the positive pole of the voltage stabilizing diode D2, the AC1 end of the rectifier bridge D599 is respectively connected with the negative pole of the UVD 599 of the servo motor, the HVPP end and the VDD end of the magnetic coding chip U1, the VCC end of the single chip microcomputer chip U2 and the first input end of the transformer T1 are respectively connected with the 5V output end of the power circuit (2), and the VSS end of the magnetic coding chip U1 and the VSS end of the single chip microcomputer chip U2 are respectively grounded.

2. The encoder implemented by a power carrier according to claim 1, wherein the power circuit (2) includes a voltage stabilizing chip U, a fuse F, a common mode inductor 1, an inductor 2, a diode D, a light emitting diode D, a resistor R, a safety capacitor C, a polarity capacitor C, a capacitor C, and a capacitor C, one end of the fuse F is connected to a power source, the other end of the fuse F is connected to an anode of the diode D, a cathode of the diode D is connected to an end 1 of the common mode inductor 1 after being connected in parallel to the safety capacitor C, an end 2 of the common mode inductor 1 is connected to an end SW of the voltage stabilizing chip U after being connected in parallel to the anode of the safety capacitor C and the capacitor C, the resistor R is connected to an end FB of the voltage stabilizing chip U after being connected in parallel to the resistor R and the capacitor C, the cathode of the capacitor C is connected to an end SW of the voltage stabilizing chip U, the inductor 2 is connected to an end SW of the diode D, the capacitor C, the cathode of the capacitor C is connected to an end V5, the anode of the diode C, the capacitor C, the diode D is connected to an end V5, and the cathode of the diode C, the diode C is connected to an output voltage of the diode C, the diode D is connected to an output voltage stabilizing chip.

3. The encoder implemented by a power carrier according to claim 1, wherein the magnetic encoding chip U1 is MT 6825.

4. The encoder according to claim 1, wherein the monolithic chip U2 is a PIC16F 616.

5. The encoder as claimed in claim 1, wherein the rectifier bridge D1 is 2W 06.

6. The encoder as claimed in claim 2, wherein the regulator chip U3 is MP 2565.

7. The encoder according to claim 2, wherein the resistance of the resistor R1 is 1K Ω, the resistance of the resistor R2 is 3.3K Ω, and the resistance of the resistor R3 is 470 Ω.

8. The encoder according to claim 2, wherein the capacitance of said safety capacitor C1 and the capacitance of said safety capacitor C2 are both 22nF, the capacitance of said polar capacitor C3 and the capacitance of said capacitor C7 are both 470 μ F, the capacitance of said capacitor C4 is 0.1 μ F, the capacitance of said capacitor C5 is 33nF, and the capacitance of said capacitor C6 is 10 μ F.