CN216851964U - 3DS measuring head measuring signal processing system - Google Patents
3DS measuring head measuring signal processing system Download PDFInfo
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- CN216851964U CN216851964U CN202123053398.XU CN202123053398U CN216851964U CN 216851964 U CN216851964 U CN 216851964U CN 202123053398 U CN202123053398 U CN 202123053398U CN 216851964 U CN216851964 U CN 216851964U
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Abstract
3DS measuring head measuring signal processing system. The gear measurement center is a multi-axis linkage high-precision measuring instrument which is provided with a high-precision measuring head. The utility model comprises an X-axis control system, a Y-axis control system and a Z-axis control system; the X-axis control system, the Y-axis control system and the Z-axis control system respectively comprise a PSD interface circuit, an amplifying circuit, a PSD processing chip, an A/D converter, a main controller, a signal output circuit, a laser diode driving chip and a laser emission interface circuit; the utility model is used for 3DS gauge head measurement signal handles.
Description
Technical Field
The utility model relates to a 3DS gauge head measurement signal processing system.
Background
The gear measurement center is a multi-axis linkage high-precision measuring instrument which is provided with a high-precision measuring head. When the instrument works normally, the three-dimensional measuring head measures micro displacement in three directions and converts the measured value into a voltage signal in an instable way, the converted voltage signal is collected by the data acquisition card and transmitted to the main control computer, and finally parameters and curves of various gears or cutters are displayed on the display.
Disclosure of Invention
The utility model aims at providing a 3DS gauge head measurement signal processing system.
The above purpose is realized by the following technical scheme:
a3 DS measuring head measuring signal processing system comprises an X-axis control system, a Y-axis control system and a Z-axis control system;
the X-axis control system, the Y-axis control system and the Z-axis control system respectively comprise a PSD interface circuit, an amplifying circuit, a PSD processing chip, an A/D converter, a main controller, a signal output circuit, a laser diode driving chip and a laser emission interface circuit;
the PSD interface circuit is electrically connected with the amplifying circuit, the amplifying circuit is electrically connected with the PSD processing chip, the PSD processing chip is electrically connected with the A/D converter, the A/D converter is electrically connected with the main controller, and the main controller is electrically connected with the signal output circuit through a CAN bus.
And in the 3DS measuring head measuring signal processing system, the main controller is also electrically connected with the laser diode driving chip, and the laser diode driving chip is electrically connected with the laser emission interface circuit.
The A/D converters of the 3DS measuring head measuring signal processing system, the X-axis control system, the Y-axis control system and the Z-axis control system are all electrically connected with a voltage reference chip.
In the 3DS measuring head measuring signal processing system, the voltage reference chip circuit is also electrically connected with the power interface circuit, and the power interface circuit is respectively connected with +12V, -12V and +5V to ensure power supply.
Has the advantages that:
1. the utility model discloses be converted into the signal of telecommunication with the small displacement signal of three direction, accomplish the displacement volume of each direction and the voltage signal proportional output of output, the voltage signal of output converts digital signal into through 16 bit's AD converter.
2. The utility model discloses a PSD sensor interface circuit links to each other with the PSD sensor, and the PSD sensor is responsible for the collection of small displacement volume signal, and the small displacement volume after the collection is sent into the signal processing board and is synthesized signal processing. Each path of processed voltage signal is input to an A/D converter and converted into a digital signal, and the digital signal is output through a CAN bus.
2. The utility model discloses power interface circuit links to each other with +12V, -12V, +5V respectively and ensures the mains operated.
Description of the drawings:
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a circuit diagram of a PSD signal processing chip;
FIG. 3 is a circuit diagram of an amplifying circuit;
FIG. 4 is a circuit diagram of a laser diode driver chip;
FIG. 5 is a circuit diagram of a PSD sensor interface;
FIG. 6 is a circuit diagram of a signal output interface;
FIG. 7 is a circuit diagram of a power reference chip;
FIG. 8 is a circuit diagram of a power indicator light;
FIG. 9 is a power interface circuit diagram;
FIG. 10 is a circuit diagram of a laser transmitter interface;
FIG. 11 is a circuit diagram of the main controller.
The specific implementation mode is as follows:
example 1:
a3 DS measuring head measuring signal processing system comprises an X-axis control system, a Y-axis control system and a Z-axis control system;
the X-axis control system, the Y-axis control system and the Z-axis control system respectively comprise a PSD interface circuit, an amplifying circuit, a PSD processing chip, an A/D converter, a main controller, a signal output circuit, a laser diode driving chip and a laser emission interface circuit;
the PSD interface circuit is electrically connected with the amplifying circuit, the amplifying circuit is electrically connected with the PSD processing chip, the PSD processing chip is electrically connected with the A/D converter, the A/D converter is electrically connected with the main controller, the main controller is electrically connected with the signal output circuit through a CAN bus, and the signal output interface outputs three paths of data signals through the CAN bus.
Example 2:
according to the 3DS measuring head measurement signal processing system in embodiment 1, the main controller is further electrically connected to the laser diode driving chip, and the laser diode driving chip is electrically connected to the laser emission interface circuit.
The laser diode is driven by a MOS tube and an operational amplifier, so that the 50mA constant current source drive is realized. For signal processing of the PSD sensor, a weak current signal is converted into a voltage signal, then the voltage signal is digitally sampled, and an output digital signal is a micro displacement signal. The signal is processed and a digital displacement signal is output at an output interface.
Example 3:
according to the 3DS stylus measurement signal processing system of embodiment 1 or 2, the a/D converters of the X-axis control system, the Y-axis control system, and the Z-axis control system are all electrically connected to a voltage reference chip.
Example 4:
according to the 3DS stylus measurement signal processing system of embodiment 1, 2, or 3, the voltage reference chip circuit is further electrically connected to the power interface circuit, and the power interface circuit is connected to +12V, -12V, and +5V respectively to ensure power supply.
The micro displacement measured by the gear measuring instrument is converted into a voltage signal, the voltage signal is sampled by the A/D converter to be converted into a digital signal, and finally the digital signal is output to subsequent processing equipment through a CAN bus. The main processing chip adopts STM32F103 of Italian semiconductor company, the PSD signal processing chip is OPA2228, and the voltage amplifying chip is AD 8676. The laser emission interface can be simultaneously connected with three laser emitters, and the PSD interface can be simultaneously connected with three PSD sensors. The LED lamps behind the driver board represent three different supply voltages, namely red (+ 12V), green (-12V), and blue (+ 5V), respectively. In addition, the driving board has the advantages of stable work, low power consumption and the like.
Claims (4)
1. A3 DS measuring head measuring signal processing system is characterized in that: the device comprises an X-axis control system, a Y-axis control system and a Z-axis control system;
the X-axis control system, the Y-axis control system and the Z-axis control system respectively comprise a PSD interface circuit, an amplifying circuit, a PSD processing chip, an A/D converter, a main controller, a signal output circuit, a laser diode driving chip and a laser emission interface circuit;
the PSD interface circuit is electrically connected with the amplifying circuit, the amplifying circuit is electrically connected with the PSD processing chip, the PSD processing chip is electrically connected with the A/D converter, the A/D converter is electrically connected with the main controller, and the main controller is electrically connected with the signal output circuit through a CAN bus.
2. The 3DS measuring head measuring signal processing system according to claim 1, wherein the main controller is further electrically connected with the laser diode driving chip, and the laser diode driving chip is electrically connected with the laser emission interface circuit.
3. The 3DS measuring head measuring signal processing system according to claim 2, wherein the A/D converters of the X-axis control system, the Y-axis control system and the Z-axis control system are all electrically connected with a voltage reference chip.
4. The 3DS measuring head measuring signal processing system according to claim 3, wherein the voltage reference chip circuit is further electrically connected with a power interface circuit, and the power interface circuit is respectively connected with +12V, -12V and +5V to ensure power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123053398.XU CN216851964U (en) | 2021-12-07 | 2021-12-07 | 3DS measuring head measuring signal processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123053398.XU CN216851964U (en) | 2021-12-07 | 2021-12-07 | 3DS measuring head measuring signal processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216851964U true CN216851964U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123053398.XU Active CN216851964U (en) | 2021-12-07 | 2021-12-07 | 3DS measuring head measuring signal processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157323A (en) * | 2021-12-07 | 2022-03-08 | 哈尔滨量具刃具集团有限责任公司 | 3DS measuring head measuring signal processing system |
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2021
- 2021-12-07 CN CN202123053398.XU patent/CN216851964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157323A (en) * | 2021-12-07 | 2022-03-08 | 哈尔滨量具刃具集团有限责任公司 | 3DS measuring head measuring signal processing system |
| CN114157323B (en) * | 2021-12-07 | 2024-08-06 | 通用技术集团哈尔滨量具刃具有限责任公司 | 3DS gauge head measurement signal processing system |
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