CN209296811U - High-pressure data acquisition device based on Internet of Things - Google Patents
High-pressure data acquisition device based on Internet of Things Download PDFInfo
- Publication number
- CN209296811U CN209296811U CN201821821964.2U CN201821821964U CN209296811U CN 209296811 U CN209296811 U CN 209296811U CN 201821821964 U CN201821821964 U CN 201821821964U CN 209296811 U CN209296811 U CN 209296811U
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- unit
- operational amplifier
- voltage
- acquisition unit
- 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.)
- Active
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of high-pressure data acquisition device based on Internet of Things, including microprocessor, the first of the microprocessor, current acquisition unit is connected separately in second input terminal group, first voltage acquisition unit, the third input terminal group of the microprocessor is connected with equipment running status acquisition unit by D/A conversion unit, 4th input terminal group of the microprocessor also passes through multichannel switch unit and is connected with second voltage acquisition unit, drive circuit unit is connected in the output end group of the microprocessor, wireless communication unit and serial communication unit are also respectively connected on the microprocessor.Its remarkable result is: compatibility is strong, cost of implementation is low, three-phase energy consumption measure and equipment running status monitoring integrate, and the operating of control command arrestment can be directly being exported when monitoring live running device abnormal data, it effectively prevents equipment and operates the loss of bring equipment under abnormality.
Description
Technical field
The utility model relates to arrive load equipment operational monitoring technical field, and in particular to a kind of high pressure based on Internet of Things
Data acquisition device.
Background technique
In the prior art, three-phase intelligent ammeter has a single function, and is mainly responsible for and carries out the energy for end load running device
Consumption data is acquired and is uploaded to acquisition platform, but there is also other to need the data acquired with regard to necessary at running device scene
Increase new acquisition equipment individually to be acquired, higher device cost and manpower are brought for field device installation and wiring in this way
Cost.
Meanwhile Internet of Things collector equipment is mainly responsible for and the operating condition information of device context is acquired, but works as
Field device cannot export linkage control information immediately when something goes wrong, cannot prevent the sprawling of accident and bring the weight to equipment
Big loss.It must be further added by a control equipment if scene to be realized is immediately controlled and carry out linkage control to it, it is existing
Problem has: two different equipment linkages will have the possibility for increasing failure point, and device context installation and wiring are also deposited
It is high in equipment cost height and human cost.
Summary of the invention
In view of the deficiencies of the prior art, the high-pressure data acquisition based on Internet of Things that the purpose of the utility model is to provide a kind of
Device, the device can be in conjunction with the deployment requirements characteristics of Internet of Things monitoring device, by three-phase energy consumption measure and equipment running status
Monitoring integrates.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of high-pressure data acquisition device based on Internet of Things, key are: including microprocessor, in the microprocessor
The first, second input terminal group on be connected separately with current acquisition unit, first voltage acquisition unit, the third of the microprocessor
Input terminal group is connected with equipment running status acquisition unit by D/A conversion unit, and the 4th input terminal group of the microprocessor is also
It is connected with second voltage acquisition unit by multichannel switch unit, is connected with driving in the output end group of the microprocessor
Circuit unit, in which:
The current acquisition unit is used to acquire each phase current signal in three phase mains；
The first voltage acquisition unit is used to acquire each phase voltage signal in three phase mains；
The equipment running status acquisition unit is used to acquire three kinds of monitoring data in monitoring device operating status；
The second voltage acquisition unit is uploaded to the multichannel switch unit for acquiring five road voltage signals；
The multichannel switch unit is used to receive five road voltage signals of the second voltage acquisition unit acquisition, and root
According to the loop control signal that microprocessor issues, wherein signal inputs the microprocessor all the way for selection；
The microprocessor is used to carry out calculating to each road signal of acquisition and analyzes judgement, realizes the three-phase of monitoring device
Energy consumption measure, and export control instruction；
The drive circuit unit is used for the control instruction exported according to microprocessor, controls the operating shape of monitoring device
State.
Further, wireless communication unit and serial communication unit is also respectively connected on the microprocessor, wherein institute
Wireless communication unit is stated for carrying out data interaction with management terminal, the serial communication unit is for realizing the microprocessor
With the data interaction of external equipment.
Further, the wireless communication unit uses ZigBee wireless communication module, and the serial communication module is adopted
With RS485 interface circuit.
Further, the current acquisition unit Zhong Ge road current signal is consistent using the structure of circuit, wherein electric all the way
Stream signal sample circuit includes current transformer T2 and operational amplifier U7A, the first winding access of the current transformer T2
Circuit to be sampled is inputted with the forward direction of operational amplifier U7A after one end series resistor R77 of the secondary winding of current transformer T2
End is connected, and the other end is connected through resistance R76 with the reverse input end of operational amplifier U7A, the output end of operational amplifier U7A
Sampled signal is exported, parallel arrangement of resistance R96 is connected between the positive input and reverse input end of operational amplifier U7A
With capacitor C42, the positive input of operational amplifier U7A is also connected to working power through resistance R78, in the operational amplifier
Resistance R79 is also serially connected between the output end and reverse input end of U7A.
Further, the road first voltage acquisition unit Zhong Ge voltage signal sampling circuit structure is consistent, wherein all the way
Voltage signal sampling circuit includes voltage transformer T1 and operational amplifier U5A, the first winding of the voltage transformer T1
Circuit to be sampled is accessed in one end, other end ground connection, after one end series resistor R73 of the secondary winding of voltage transformer T1 with operation
The positive input of amplifier U5A is connected, and the other end is connected through resistance R72 with the reverse input end of operational amplifier U5A, fortune
The output end for calculating amplifier U5A exports sampled signal, the positive input of operational amplifier U5A and reversed input through resistance R51
Parallel arrangement of resistance R69 and capacitor C41 are connected between end, the positive input of operational amplifier U5A also connects through resistance R74
It is connected to working power, is also serially connected with resistance R75 between the output end and reverse input end of the operational amplifier U5A.
Further, the drive circuit unit be include opening of constituting of triode Q3, triode Q1 and relay K1
Powered-down road.
Further, it includes 74HC4051 chip and HCNR201 photoelectrical coupler that the multichannel switch unit, which uses,
Analog switching circuit.
The remarkable result of the utility model is: compatibility is strong, and cost of implementation is low, by adequately being set using Internet of Things monitoring
Standby deployment requirements characteristic integrates three-phase energy consumption measure and equipment running status monitoring, operates shape in monitoring device
While state, acquisition operation has also been carried out to the energy consumption data of end load equipment, meanwhile, when monitoring that live running device is different
The operating of control command arrestment can be directly exported when regular data, effectively prevented equipment and operated bring under abnormality
Equipment loss.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of the utility model；
Fig. 2 is the circuit diagram of the microprocessor；
Fig. 3 is the wherein circuit diagram of current sampling circuit all the way；
Fig. 4 is the wherein circuit diagram of voltage sampling circuit all the way；
Fig. 5 be wherein all the way monitoring data obtain circuit circuit diagram；
Fig. 6 is the circuit diagram of the multichannel switch unit；
Fig. 7 is the circuit diagram of the drive circuit unit.
Specific embodiment
Specific embodiment of the present utility model and working principle are described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of high-pressure data acquisition device based on Internet of Things, including microprocessor and power module,
It is connected separately with current acquisition unit, first voltage acquisition unit in first, second input terminal group of the microprocessor, micro- place
The third input terminal group for managing device is connected with equipment running status acquisition unit by D/A conversion unit, and the 4th of the microprocessor the
Input terminal group also passes through multichannel switch unit and is connected with second voltage acquisition unit, in the output end group of the microprocessor
It is connected with drive circuit unit, wireless communication unit and serial communication unit are also respectively connected on the microprocessor, in which:
The current acquisition unit is used to acquire each phase current signal in three phase mains；The first voltage acquisition unit
For acquiring each phase voltage signal in three phase mains；The equipment running status acquisition unit is for acquiring monitoring device operation
Three kinds of monitoring data of device temperature, environment temperature, ambient humidity in state；The second voltage acquisition unit is for acquiring five
Road voltage signal, and it is uploaded to the multichannel switch unit；The multichannel switch unit is for receiving the second voltage
Five road voltage signals of acquisition unit acquisition, and the loop control signal issued according to microprocessor, select wherein signal all the way
Input the microprocessor；The microprocessor is used to carry out calculating to each road signal of acquisition and analyzes judgement, realizes monitoring
The three-phase energy consumption measure of equipment, and export control instruction；The drive circuit unit is used for the control exported according to microprocessor
Instruction, controls the operating condition of monitoring device, and the wireless communication unit is used to carry out data interaction, the string with management terminal
Mouth communication unit is for realizing the data interaction of the microprocessor and external equipment, and the power module is for being above-mentioned each mould
Block provides required working power.
In this example, the preferably described wireless communication unit uses ZigBee wireless communication module, and the serial communication module is adopted
With RS485 interface circuit.
Referring to attached drawing 2, microprocessor described in this example is constituted using STM32F103RCT6 single-chip computer and its peripheral circuit,
The core size of STM32F103RCT6 single-chip microcontroller is 32, and speed is 72MHz, and program storage capacity is 256KB, and program is deposited
Reservoir type is FLASH, and RAM capacity is 48K.In this example, which is used for according to data collected, respectively to A phase, B
Phase, the apparent energy of C phase, active power and reactive power are calculated, and are carried out to the power factor (PF) of each phase, active energy
It calculates, additionally it is possible to which the total apparent energy, total active power, total reactive power of load are calculated.
Referring to attached drawing 3, the current acquisition unit Zhong Ge road current signal is consistent using the structure of circuit, wherein electric all the way
Stream signal sample circuit includes current transformer T2 and operational amplifier U7A, the first winding access of the current transformer T2
Circuit to be sampled is inputted with the forward direction of operational amplifier U7A after one end series resistor R77 of the secondary winding of current transformer T2
End is connected, and the other end is connected through resistance R76 with the reverse input end of operational amplifier U7A, the output end of operational amplifier U7A
Sampled signal is exported, parallel arrangement of resistance R96 is connected between the positive input and reverse input end of operational amplifier U7A
With capacitor C42, the positive input of operational amplifier U7A is also connected to working power through resistance R78, in the operational amplifier
Resistance R79 is also serially connected between the output end and reverse input end of U7A.
Referring to attached drawing 4, the road first voltage acquisition unit Zhong Ge voltage signal sampling circuit structure is consistent, wherein all the way
Voltage signal sampling circuit includes voltage transformer T1 and operational amplifier U5A, the first winding of the voltage transformer T1
Circuit to be sampled is accessed in one end, other end ground connection, after one end series resistor R73 of the secondary winding of voltage transformer T1 with operation
The positive input of amplifier U5A is connected, and the other end is connected through resistance R72 with the reverse input end of operational amplifier U5A, fortune
The output end for calculating amplifier U5A exports sampled signal, the positive input of operational amplifier U5A and reversed input through resistance R51
Parallel arrangement of resistance R69 and capacitor C41 are connected between end, the positive input of operational amplifier U5A also connects through resistance R74
It is connected to working power, is also serially connected with resistance R75 between the output end and reverse input end of the operational amplifier U5A.
Referring to attached drawing 5, the equipment running status acquisition unit includes that the consistent monitoring data of three road circuit structures obtain
Circuit, it includes diode D32 and optocoupler U17 which, which obtains circuit, and the optocoupler U17 uses EL357N-B photoelectric coupling
The cathode of device, diode D32 is connected with sampled point, and the anode of diode D32 is connected with the cathode of optocoupler U17, optocoupler U17's
Anode series resistance R106 is followed by power supply, and the collector of optocoupler U17 connects 3.3V power supply, and the emitter of optocoupler U17 exports hits
According to the signal input part DIIN2 to microprocessor；Sun of the emitter of optocoupler U17 also after resistance R28 with light emitting diode D28
Extremely it is connected, the minus earth of light emitting diode D28, light emitting diode D28 is used to indicate the working condition of sample circuit.
Referring to attached drawing 6, it includes 74HC4051 chip U23 and HCNR201 photoelectric coupling that the multichannel switch unit, which uses,
The analog switching circuit of device U24, specifically, signal input part X3~X7 input sampling data of 74HC4051 chip,
Control signal input A, B, C of 74HC4051 chip pass through an EL357N-B optocoupler respectively and are followed by by microprocessor output
Signal is controlled, the output end X of 74HC4051 chip is connected after resistance R145 with the positive input of amplifier U10A, amplifier U10A
Reverse input end connect 5V power supply, the reverse input end phase after the output end series resistor R134 of amplifier U10A with amplifier U10B
Even, the output end of amplifier U10A is also connected with its reverse input end, and the positive input ground connection of amplifier U10B, amplifier U10B's is defeated
Outlet is connected to the first pin of photoelectrical coupler U24, and the output end of amplifier U10B is into capacitor C81 and its reverse input end phase
Even, the second pin of photoelectrical coupler U24 connects 5V power supply, and the third pin of photoelectrical coupler U24 is connected to the anti-of amplifier U10B
To input terminal, the four, the 5th pins of photoelectrical coupler U24 are grounded, the 6th pin and operational amplifier of photoelectrical coupler U24
The reverse input end of U5D is connected, and the positive input ground connection of operational amplifier U5D, the output end of operational amplifier U5D concatenates electricity
The sampled data after selection is exported after hindering R65, between the output end and its reverse input end of operational amplifier U5D also
Parallel connection has capacitor C80 and resistance R133.It, can be in real time according to the control of microprocessor by above-mentioned multichannel switch unit
Signal processed selects to input all the way in Cong Wulu voltage signal, to realize the analog-to-digital conversion of data, improves the number of AC sampling
According to accuracy.
Referring to attached drawing 7, the drive circuit unit be include opening of constituting of triode Q3, triode Q1 and relay K1
Powered-down road, specifically, the collector of the triode Q3 is connected with the control signal output DO OUT1 of the microprocessor
It connects, the collector of triode Q3 connects 3.3V power supply, the base stage phase after the emitter series resistance R31 of triode Q3 with triode Q1
It connects, is connected to 5V power supply after the coil windings of the collector series relay K1 of triode Q1, the emitter of triode Q1 connects
Ground, relay K1 switch sections access monitoring device power circuit, the emitter of triode Q3 also after resistance R83 with hair
The anode of diode D31 is held to be connected, the minus earth of diode D31, the base stage of triode Q1 is also passed through with the terminals of resistance R31
It is grounded after capacitor C26.
The present apparatus passes through the deployment requirements characteristic for adequately utilizing Internet of Things monitoring device, by three-phase energy consumption measure and equipment
Monitoring running state integrates, while monitoring device operating condition, to the energy consumption data of end load equipment also into
Go acquisition operation, meanwhile, control command arrestment can be directly exported when monitoring live running device abnormal data
Operating effectively prevents equipment and operates the loss of bring equipment under abnormality.It simultaneously can also be defeated by predetermined set condition
Corresponding predetermined control movement out realizes that the local of equipment automatically controls, conventional equipment is allowed to be able to achieve unattended automatic fortune
Row, and then have the effect of energy-saving and emission-reduction.
Technical solution provided by the utility model is described in detail above.Specific case pair used herein
The principles of the present invention and embodiment are expounded, and the above embodiments are only used to help understand, and this is practical new
The method and its core concept of type.It is practical not departing from it should be pointed out that for those skilled in the art
Under the premise of new principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this
In the protection scope of utility model claims.
Claims (7)
1. a kind of high-pressure data acquisition device based on Internet of Things, it is characterised in that: including microprocessor, in the microprocessor
Current acquisition unit, first voltage acquisition unit are connected separately in first, second input terminal group, the third of the microprocessor is defeated
Enter end group and equipment running status acquisition unit is connected with by D/A conversion unit, the 4th input terminal group of the microprocessor is also logical
It crosses multichannel switch unit and is connected with second voltage acquisition unit, driving electricity is connected in the output end group of the microprocessor
Road unit, in which:
The current acquisition unit is used to acquire each phase current signal in three phase mains；
The first voltage acquisition unit is used to acquire each phase voltage signal in three phase mains；
The equipment running status acquisition unit is used to acquire three kinds of monitoring data in monitoring device operating status；
The second voltage acquisition unit is uploaded to the multichannel switch unit for acquiring five road voltage signals；
The multichannel switch unit is used to receive five road voltage signals of the second voltage acquisition unit acquisition, and according to micro-
The loop control signal that processor issues, wherein signal inputs the microprocessor all the way for selection；
The microprocessor is used to carry out calculating to each road signal of acquisition and analyzes judgement, realizes the three-phase energy consumption of monitoring device
Metering, and export control instruction；
The drive circuit unit is used for the control instruction exported according to microprocessor, controls the operating condition of monitoring device.
2. the high-pressure data acquisition device according to claim 1 based on Internet of Things, it is characterised in that: the microprocessor
On wireless communication unit and serial communication unit is also respectively connected, wherein the wireless communication unit be used for and management terminal into
Row data interaction, the serial communication unit for realizing the microprocessor and external equipment data interaction.
3. the high-pressure data acquisition device according to claim 2 based on Internet of Things, it is characterised in that: the wireless telecommunications
Unit uses ZigBee wireless communication module, and the serial communication module uses RS485 interface circuit.
4. the high-pressure data acquisition device according to claim 1 based on Internet of Things, it is characterised in that: the current acquisition
Unit Zhong Ge road current signal is consistent using the structure of circuit, wherein current signal sample circuit includes current transformer T2 all the way
With operational amplifier U7A, the first winding of the current transformer T2 accesses circuit to be sampled, current transformer T2 it is secondary around
It is connected after one end series resistor R77 of group with the positive input of operational amplifier U7A, the other end is put through resistance R76 with operation
The reverse input end of big device U7A is connected, and the output end of operational amplifier U7A exports sampled signal, and operational amplifier U7A is just
To being connected with parallel arrangement of resistance R96 and capacitor C42, the forward direction of operational amplifier U7A between input terminal and reverse input end
Input terminal is also connected to working power through resistance R78, between the output end and reverse input end of the operational amplifier U7A also
It is serially connected with resistance R79.
5. the high-pressure data acquisition device according to claim 1 based on Internet of Things, it is characterised in that: the first voltage
The road acquisition unit Zhong Ge voltage signal sampling circuit structure is consistent, wherein voltage signal sampling circuit includes voltage transformer all the way
Circuit to be sampled is accessed in T1 and operational amplifier U5A, one end of the first winding of the voltage transformer T1, and the other end is grounded,
It is connected after one end series resistor R73 of the secondary winding of voltage transformer T1 with the positive input of operational amplifier U5A, it is another
End is connected through resistance R72 with the reverse input end of operational amplifier U5A, and the output end of operational amplifier U5A is defeated through resistance R51
Sampled signal out, be connected between the positive input and reverse input end of operational amplifier U5A parallel arrangement of resistance R69 with
Capacitor C41, the positive input of operational amplifier U5A are also connected to working power through resistance R74, in the operational amplifier
Resistance R75 is also serially connected between the output end and reverse input end of U5A.
6. the high-pressure data acquisition device according to claim 1 based on Internet of Things, it is characterised in that: the driving circuit
Unit is the switching circuit for including triode Q3, triode Q1 and relay K1 composition.
7. the high-pressure data acquisition device according to claim 1 based on Internet of Things, it is characterised in that: the multichannel is cut
It changes unit and uses the analog switching circuit including 74HC4051 chip and HCNR201 photoelectrical coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821964.2U CN209296811U (en) | 2018-11-06 | 2018-11-06 | High-pressure data acquisition device based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821964.2U CN209296811U (en) | 2018-11-06 | 2018-11-06 | High-pressure data acquisition device based on Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209296811U true CN209296811U (en) | 2019-08-23 |
Family
ID=67647921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821821964.2U Active CN209296811U (en) | 2018-11-06 | 2018-11-06 | High-pressure data acquisition device based on Internet of Things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209296811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654305A (en) * | 2020-06-08 | 2020-09-11 | 郑州工业应用技术学院 | Computer network communication transmission system |
-
2018
- 2018-11-06 CN CN201821821964.2U patent/CN209296811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654305A (en) * | 2020-06-08 | 2020-09-11 | 郑州工业应用技术学院 | Computer network communication transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202602375U (en) | Wind power generation box type transformer cloud terminal | |
| CN101616525A (en) | A kind of intelligent solar road lamp control system and control method thereof | |
| CN209296811U (en) | High-pressure data acquisition device based on Internet of Things | |
| CN103700235A (en) | Electricity consumption information gathering fault detection system and remote channel detection method therefor | |
| CN207457370U (en) | A kind of three-phase multiple loop radio energy harvester | |
| CN107907796A (en) | Based on LoRa communication type transient state recording trouble analysis systems | |
| CN108008312A (en) | Storage battery group state on-line measurement circuit and method | |
| CN105186929B (en) | A kind of low-tension motor with electric insulation on-line monitoring function plays fixed-position stop control apparatus | |
| CN107027125B (en) | Wireless management system and equipment for outdoor scene | |
| CN102130505A (en) | High-voltage switch controller with metering function | |
| CN112485666A (en) | Join in marriage intelligent fortune of net direct current circuit breaker many parameters and maintain detection device | |
| CN209329781U (en) | A kind of distribution O&M monitoring device | |
| CN103872783B (en) | Transformer control and protection device for station | |
| CN207867699U (en) | A kind of elevator data automatic acquisition device and elevator | |
| CN207557334U (en) | Pyroelectric monitor system is changed in the cyclization of overhead line open air | |
| CN203251140U (en) | Monitoring system of photovoltaic power generation unit | |
| CN205960736U (en) | Stereo garage's alternating -current charging stake control system | |
| CN202009265U (en) | High-voltage switch controller with metering function | |
| CN215833567U (en) | Control detection system of circuit breaker | |
| CN206226121U (en) | A kind of intelligent distribution network automated remote terminal of power data collecting system | |
| CN205920168U (en) | Hotel guest room electric power management system | |
| CN205301549U (en) | High voltage direct current measuring instrument | |
| CN209706868U (en) | Acquisition device for transmission and distribution line environment comprehensive parameter | |
| CN207968075U (en) | integrated monitoring system based on data fusion technique | |
| CN106292418A (en) | Radar operational factor and Collection panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |