CN209231411U - High-speed data recording device based on STM32 microcontroller - Google Patents
High-speed data recording device based on STM32 microcontroller Download PDFInfo
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- CN209231411U CN209231411U CN201821940877.9U CN201821940877U CN209231411U CN 209231411 U CN209231411 U CN 209231411U CN 201821940877 U CN201821940877 U CN 201821940877U CN 209231411 U CN209231411 U CN 209231411U
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- acquisition module
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Abstract
The utility model relates to the high-speed data recording devices based on STM32 microcontroller, the high speed acquisition module of the recording device is according to the input requirements for showing input module, receive the data that voltage transmission sensor transmits, the data are subjected to conversion process, PC is reached through communication module, on a display screen with figure real-time display by data；Voltage transmission sensor provides dual input channel, measures respectively to the voltage of socket and capacitor, and improves in the range of the converter setting of high speed acquisition module；The data transmission that communication module is converted high speed acquisition module with USB interface is to PC；Display and input module receive the test instruction of user, by the result real-time display of high speed acquisition module；Voltage transformation module receives external communication electricity and externally provides AC220V alternating current, and AC220V alternating current is converted to 3.3V direct current, is voltage transmission module, high speed acquisition module, communication module, display and input module power supply.
Description
Technical field
The utility model relates to a kind of high-speed data recording field, in particular to a kind of pair based on STM32 microcontroller
Receptacle terminal extracts the data recording equipment that moment carries out signal acquisition and capacitor residual voltage carries out signal acquisition.
Background technique
Power outlet and plug connects using elastic physical, extract moment in plug, if electrical appliance the inside have inductance it
The element of class can generate a very high voltage in plug end in the moment of extraction, this high voltage may be to sensitive instrument
Instruments and meters damages, and for instrument safety, needs to design suitable suppression circuit according to the height of the voltage, need thus
The moment that plug is extracted carries out high speed acquisition to the voltage on plug.
After instrument shutdown, internal capacitor can have part energy due to the characteristic of energy storage, and the energy is with electricity
Swaging formula shows, this phenomenon can continue low current power supply to the local circuit in instrument, generate it is some unexpected as a result,
To avoid such case, need that capacitor design discharge loop is needed thus to carry out the capacitor residual voltage used in instrument
High speed acquisition.
For above-mentioned two situations, the acquisition rate of available data recorder is difficult to meet measurement request in the market, uses
Advanced data acquisition equipment, cost is prohibitively expensive, and inconvenient to use, can not meet actual demand.
Utility model content
The technical issues of the utility model is solved is to provide a kind of fast recording signal intensity and based on STM32 microcontroller
The high-speed data recording device of device.It is above-mentioned that another technical problem that the utility model is solved is to provide a kind of measurement prior art
Two kinds of situations provide the sample rate of at least 10K times/second, and maximum provides 0.5 hour continuous data recording, in sampling precision
On, the measurement accuracy that pulls the plug out of the socket is 0.5V, and the measurement accuracy of capacitor electric discharge is 1V, test error 0.1, and is based on STM32
The high-speed data recording device of microcontroller.
The technical solution of the utility model is the high-speed data recording device based on STM32 microcontroller,
Be characterized in that, including voltage transmission sensor (1), high speed acquisition module (2), communication module (3), display and input module (4)
(5) with voltage transformation module, wherein (2) the high speed acquisition module, according to the input requirements in showing input module (4), receives
(1) data that voltage transmission sensor transmits, while the data are subjected to conversion process, (3) PC is reached by communication module,
Simultaneously by data graphically real-time display display input module display screen on；
(1) voltage transmission sensor, provides two input channels, be respectively intended to measure the voltage of socket and capacitor,
And it improves in the range of high speed acquisition module (2) upper converter regulation；
(3), using USB2.0 interface (2) data transmission that communication module is converted high speed acquisition module is to PC；
(4) display and input module, receive the test instruction of user, and the result real-time display by high speed acquisition module (2)
Out；
(5) voltage transformation module, receives external AV C220V alternating current and externally provides the alternating current of AC220V, simultaneously will
AC220V alternating current is converted to 3.3V direct current, be voltage transmission module (1), high speed acquisition module (2), communication module (3), display
It (4) powers with input module.
As preferred: the high speed acquisition module (2) by master chip STM32F103ZET6, program storage M29W128FH,
Cache memory IS61LV51216 and large capacity data memory HY27UF081G2A and peripheral circuit composition.
As preferred: (1) the voltage transmission sensor includes socket Measurement channel and capacity measurement channel, by test
Probe B NC interface and its cable and onboard connector and high-precision divider resistance composition.
As preferred: (3) the communication module is made of onboard USB interface and its peripheral circuit.
As preferred: it is described to show with input module (4) by the LCD display with touch function, cable, connector, and
Peripheral circuit composition.
As preferred: the AC power pack of the voltage transformation module (5) is made of cable and power connector, the part DC
It is made of AC-DC power module and its cable.
Compared with prior art, the utility model has the beneficial effects that
(1) the recording device energy high speed of the utility model, high precision collecting attaching plug extract the change of voltage on moment firewire
Change situation, it also can high speed, the situation of change of high-precision record bulk capacitor remaining capacity.
(2) the recording device of the utility model can provide the sample rate of at least 10K times/second, and maximum provides 0.5 hour company
Continuous data record, on sampling precision, the measurement accuracy to pull the plug out of the socket is 0.5V, and the measurement accuracy of capacitor electric discharge is 1V, test
Error is 0.1%.
(3) the recording device structure of the utility model is simple, and cost performance is high.
Detailed description of the invention
Fig. 1 is the utility model high-speed data recording device circuit block diagram；
Fig. 2 is the utility model high speed acquisition modular circuit block diagram.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing:
Refering to Figure 1, the high-speed data recording device based on STM32 microcontroller, including voltage transmission pass
Sensor (1), high speed acquisition module (2), communication module (3), display and input module (4) with voltage transformation module (5), wherein the height
(2) fast acquisition module, according to the input requirements in showing input module (4), receives (1) number that voltage transmission sensor transmits
According to, while the data are subjected to conversion process, (3) PC is reached by communication module, while data graphically being shown in real time
Show on the display screen of display input module；
(1) voltage transmission sensor, provides two input channels, be respectively intended to measure the voltage of socket and capacitor,
And it improves in the range of high speed acquisition module (2) upper converter regulation；
(3), using USB2.0 interface (2) data transmission that communication module is converted high speed acquisition module is to PC；
(4) display and input module, receive the test instruction of user, and the result real-time display by high speed acquisition module (2)
Out；
(5) voltage transformation module, receives external AV C220V alternating current and externally provides the alternating current of AC220V, simultaneously will
AC220V alternating current is converted to 3.3V direct current, be voltage transmission module (1), high speed acquisition module (2), communication module (3), display
It (4) powers with input module.
In the present embodiment, (1) the voltage transmission sensor includes socket Measurement channel and capacity measurement channel, by survey
Probe header bnc interface and its cable and onboard connector and high-precision divider resistance composition.
In the present embodiment, (3) the communication module is made of onboard USB interface and its peripheral circuit.
In the present embodiment, the display and input module (4) by the LCD display with touch function, cable, connector, with
And peripheral circuit composition.
In the present embodiment, the AC power pack of the voltage transformation module (5) is made of cable and power connector, the portion DC
Divide and is made of AC-DC power module and its cable.
It please refers to shown in Fig. 2, the high speed acquisition module is (2) by master chip STM32F103ZET6, program storage
M29W128FH, cache memory IS61LV51216 and large capacity data memory HY27UF081G2A and peripheral circuit
Composition.
It please refers to shown in Fig. 1, Fig. 2, the working principle of the high-speed data recording device based on STM32 microcontroller:
Corresponding plug or capacitive measurement channels are selected according to the actual conditions of measured target, the probe of device is connected to
(3) device communication module is connected to PC by measured target, open the end PC monitoring software and carry out software initialization；
The novel recording device booting, by showing (4) device is set as standby mode, pick-up sensor by input module
Send out normal operating conditions signal to high speed acquisition module (2), high speed acquisition module does not record the data at this time；
Before tested plug extraction or measured capacitance power-off, by (4) sending acquisition instructions to high speed according to display input module
(2), which starts to work acquisition module；
Plug is extracted or measured capacitance power-off, and variation takes place in electric signal at this time, accordingly in voltage change by pick-up
Sensor (1) on be sent to high speed acquisition module (2)；
(2) high speed acquisition module converts the signal into numerical data, the cache storage being on the one hand stored in module
On device IS61LV51216, on the one hand the data are (3) given to PC by communication module, on the one hand the data are output to by operation
It shows input module (4), is directly observed on instrument；
When program setting time of measuring reach when, (2) high speed acquisition module stops working, by this measurement data from
HY27UF081G2A is read and is stored on IS61LV51216, and user can read this measurement data by USB interface, this survey
Amount terminates.
The above is only the preferred embodiment of the present invention, it is all done according to the utility model claims range it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model claims.
Claims (6)
1. a kind of high-speed data recording device based on STM32 microcontroller, which is characterized in that including voltage transmission sensor
(1), high speed acquisition module (2), communication module (3), display and input module (4) with voltage transformation module (5), wherein the high speed is adopted
Collect module (2), according to the input requirements in showing input module (4), receives (1) data that voltage transmission sensor transmits, together
When by the data carry out conversion process, (3) PC is reached by communication module, while graphically real-time display exists by data
On the display screen for showing input module；
(1) voltage transmission sensor, provides two input channels, be respectively intended to measure the voltage of socket and capacitor, and adjust
High speed acquisition module is managed (2) in the range of upper converter regulation；
(3), using USB2.0 interface (2) data transmission that communication module is converted high speed acquisition module is to PC；
(4) display and input module, receive the test instruction of user, and by high speed acquisition module fructufy (2) when shows；
(5) voltage transformation module, receives external AV C220V alternating current and the externally alternating current of offer AC220V, while by AC220V
Alternating current is converted to 3.3V direct current, be voltage transmission module (1), high speed acquisition module (2), communication module (3), display and input
(4) module is powered.
2. according to claim 1 based on the high-speed data recording device of STM32 microcontroller, which is characterized in that the height
Fast acquisition module is (2) by master chip STM32F103ZET6, program storage M29W128FH, cache memory
IS61LV51216 and large capacity data memory HY27UF081G2A and peripheral circuit composition.
3. according to claim 1 based on the high-speed data recording device of STM32 microcontroller, which is characterized in that the electricity
(1) it includes socket Measurement channel and capacity measurement channel that buckling send sensor, by test probe B NC interface and its cable and plate
Carry connector and high-precision divider resistance composition.
4. according to claim 1 based on the high-speed data recording device of STM32 microcontroller, which is characterized in that described logical
(3) letter module is made of onboard USB interface and its peripheral circuit.
5. according to claim 1 based on the high-speed data recording device of STM32 microcontroller, which is characterized in that described aobvious
Show and is (4) made of the LCD display with touch function, cable, connector and peripheral circuit with input module.
6. according to claim 1 based on the high-speed data recording device of STM32 microcontroller, which is characterized in that the electricity
The AC power pack of pressure conversion module (5) is made of cable and power connector, and the part DC is by AC-DC power module and its cable
Composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940877.9U CN209231411U (en) | 2018-11-23 | 2018-11-23 | High-speed data recording device based on STM32 microcontroller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821940877.9U CN209231411U (en) | 2018-11-23 | 2018-11-23 | High-speed data recording device based on STM32 microcontroller |
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| CN209231411U true CN209231411U (en) | 2019-08-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406857A (en) * | 2018-11-23 | 2019-03-01 | 深圳市创联智控新能源有限公司 | High-speed data recording device and its control method based on STM32 microcontroller |
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2018
- 2018-11-23 CN CN201821940877.9U patent/CN209231411U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406857A (en) * | 2018-11-23 | 2019-03-01 | 深圳市创联智控新能源有限公司 | High-speed data recording device and its control method based on STM32 microcontroller |
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