CN209707604U - No access type instrument and equipment on-off state monitors system - Google Patents
No access type instrument and equipment on-off state monitors system Download PDFInfo
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- CN209707604U CN209707604U CN201821727820.0U CN201821727820U CN209707604U CN 209707604 U CN209707604 U CN 209707604U CN 201821727820 U CN201821727820 U CN 201821727820U CN 209707604 U CN209707604 U CN 209707604U
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Abstract
The utility model relates to a kind of no access type instrument and equipment on-off states to monitor system, including upper computer and lower computer, it is characterized by: wherein slave computer includes Hall sensor, amplifier and single-chip microcontroller, wherein Hall sensor is to sense the relevant magnetic field of instrument and equipment, single-chip microcontroller front end connects Hall sensor by amplifier, and the processor of the single-chip microcontroller calculates the electric field value transmitted on equipment under test, and then the electric field value calculated is sent in host computer by single-chip microcontroller in a manner of network.The system of the utility model can not access completely, not damaged former route under the premise of, the on-off state of monitoring instrument equipment.
Description
Technical field
The utility model belongs to instrument field, and in particular to instrument status monitors field, more specifically relates to
And a kind of no access type instrument and equipment on-off state monitors system.
Background technique
With the continuous development of China's economic, the R & D Level of Chinese Enterprise is also continuously improved, the instrument of various valuableness
All it is introduced into.The operation of these instrument how to be monitored just at a big problem, most of these instrument be can not network, or
Say be not suitable for networking, therefore, information just like isolated island it is the same can not by backstage be perceived.
Each company of industry proposes various solutions to attempt the operating status of tracking equipment, such as certain companies pass through
Increase pressure sensor on the machine of operation, displacement and the pressure change of generation are run by machine itself to monitor machine
Operation conditions.If the machine of operation either instrument is not oscillating mode equipment, can not perceive.And for lathe etc
Equipment, it is also possible to occur resonance generate wrong report.And most of company can only then be carried out periodically by increasing relevant manpower
It patrols to check related problem.
Develop on a large scale along with Intelligent hardware in recent years, occur various intelligent sockets now, these are inserted
Seat is by monitoring through the electric current of itself come the operating condition of monitoring circuit.This situation of change by monitoring current speculates
The operation conditions of equipment is extremely accurate, but but and dangerous for running equipment in this way, in intelligent socket
Portion is integrated with various statistical circuits and telecommunication circuit, and for simple common socket, the probability to go wrong wants high
More, for these expensive instrument, once going wrong, consequence is completely unaffordable.Therefore there is an urgent need to have one
The equipment that kind is monitored it under the complete normal state of instrument, by this equipment come the operating condition of monitoring device.
And equipment main on the market needs to measure the electric current in the circuit under operating normally by split-core type meter now.But split-core type meter is current
The electric current in a unidirectional conductor can only be measured, is all triple line for power supply line, therefore is measured to be all 0.It can not expire
The relevant demand of foot.If it is desired that measuring power conditions with split-core type meter, then need to break power supply line.For the operation of monitoring device
And specially break power supply line just loses more than gain very much.
Utility model content
The utility model in view of the above circumstances, provides a kind of monitoring system that can solve the above problem, specifically, this
Utility model provides a kind of no access type instrument and equipment on-off state monitoring system, including upper computer and lower computer, feature
Be: wherein slave computer includes Hall sensor, amplifier and single-chip microcontroller, and wherein Hall sensor is to sense instrument and equipment
Relevant magnetic field, single-chip microcontroller front end connect Hall sensor by amplifier, and the processor of the single-chip microcontroller calculates equipment under test
The electric field value of upper transmission, then the electric field value calculated is sent in host computer by single-chip microcontroller in a manner of network.
Further, it is characterised in that: host computer judges electric field value, if electric field value has been more than certain threshold value,
Then think that the equipment is in operating status, is otherwise in non-operating state, and pass through the variation indicating instrument equipment of indicator light
On-off state.
Further, it is characterised in that: Hall sensor is using linear convergent rate magnetic field sensor AD22151.
Further, it is characterised in that: amplifier uses high-precision linear amplifier AD620.
Further, it is characterised in that: single-chip microcontroller uses the ARM development board of STM32F103.
Further, it is characterised in that: on-off state is indicated by the indicator light of a Boolean type.
Further, it is characterised in that: the circuit connecting relation of AD22151 is the first temperature-compensating pin and third temperature
It spends serial temperature between compensation pin and compensates resistance, input pin 6 is arranged by first resistor R2 and gain in signal output pin 5
Connection, gain are arranged input pin 6 and connect respectively through second resistance R3 and offset resistance R4 and reference voltage output pin 7
It is connected with power pins 8, capacitor is provided between power supply VCC and ground, first resistor R2 and second resistance R3 are used to calculate signal
Gain.
Utility model effect:
Using the embodiment of the utility model, can not access, not damaged former route under the premise of realize that instrument and equipment is opened
The monitoring function of off-mode.The system does not allow to carry out access type monitoring for there is the demand of pilot switch machine state
Instrument and equipment, is of practical significance and practical value.
Detailed description of the invention
Fig. 1 is Tthe utility model system structure chart.
Fig. 2 is AD22151 and circuit connection structure figure.
Fig. 3 is single-chip microcontroller and W5500 network expansion board connection schematic diagram.
Specific embodiment
In order to make those skilled in the art better understand the utility model, with reference to the accompanying drawing with implementation method to this reality
It is described in further detail with novel.
The utility model monitors system without access type instrument and equipment on-off state, and structure chart is as shown in Figure 1, under including
Position machine and host computer, wherein use network communication between upper computer and lower computer, the network can be wired network or wireless network.
Wherein slave computer includes Hall sensor, amplifier and single-chip microcontroller, and host computer is used to display instrument on-off state.Wherein, single
Piece machine front end connects Hall sensor by amplifier, to sense relevant magnetic field.After Hall sensor senses magnetic field,
Magnetic signal is converted into electric signal, after high-precise linear amplifier amplifies (such as 1000 times of amplification), is sent to rear end
ARM development board, the processor on the development board calculate the electric field value transmitted on equipment under test, i.e. the output warp of sensor module
AD acquisition is crossed, is usedFormula converts analog signals into digital signal, and Output here refers to
Be sensor module output analog signal, AdcValue be conversion after digital signal, 12 refer to the position of Chip Microcomputer A/D C
Number.Then the electric field value calculated is sent to host computer observation interface in a manner of network communication by ARM development board.Upper owner
It is responsible for data receiver, switch state monitoring, while data being stored on hard disk in table form, is conveniently checked.On
Position machine judges electric field value, if electric field value has been more than certain threshold value, then it is assumed that the equipment is in operating status, otherwise locates
In non-operating state.And can be apparent by the variation of indicator light the on-off state for knowing instrument and equipment.Switching on and shutting down shape
State is indicated by the indicator light of a Boolean type, and when the value monitored is greater than threshold value, indicator light becomes red, is shown
Instrument and equipment is in open state, is otherwise in off-mode.Communication between upper computer and lower computer is real based on Transmission Control Protocol
Existing, the two is attached by cable, and identical network parameter, which need to only be arranged, can be realized the function of data transmission.
Wherein, Hall sensor is preferentially using the defeated of a kind of linear convergent rate magnetic field sensor AD22151, AD22151
Voltage is directly proportional to the vertical devices encapsulation magnetic field strength of top surface is applied to out.It is mainly characterized by a large amount of Hall element battle arrays
Column integrated technology combines with internal temperature compensation and circuit for signal conditioning, realizes single-chip integration.Outer signal amplifying circuit,
Single-chip microcontroller collects sensing data by AD.
AD22151 is encapsulated using 8 foot SOIC.Its pin and circuit connection structure are as shown in Figure 2, wherein pin 1,2,3 is
First-third temperature-compensating pin, pin 4 are grounding pin, and pin 5 is voltage signal output pin, and pin 6 is gain setting
Input pin, pin 7 are reference voltage output pins, and pin 8 is power pins.Wherein, pin 2 is vacant, the first temperature-compensating
Serial temperature compensates resistance R1 between pin and third temperature-compensating pin, for playing the role of temperature-compensating.Signal output
Pin 5 is arranged input pin 6 with gain by first resistor R2 and connect.Gain is arranged input pin 6 and connects respectively by second
Resistance R3 and offset resistance R4 are connect with reference voltage output pin 7 and power pins 8.It is provided between power supply VCC and ground
Capacitor keeps the direct current of output smoother, the capacitance of the capacitor is preferably 0.1uF for filtering out alternating component.First resistor
R2 and second resistance R3 is used to calculate signal gain.The gain of sensor can be set by the resistance value of R2 appropriate and R3
It sets, calculation formula isWherein Gain is sensor gain value,
AD22151 output is analog signal, and analog signal is converted to digital signal so acquiring by Chip Microcomputer A/D.
Single-chip microcontroller preferentially uses the ARM development board of STM32F103, supply voltage 2.0V to 3.6V, a series of power saving mould
Formula guarantees the demand of low-power consumption application.STM32f103 series has 3 ADC, and precision is 12, and each ADC is up to 16 outsides
Channel.Wherein ADC1 and ADC2 has 16 external channels, and ADC3 is also different according to the different port numbers of CPU pin, generally all
There are 8 external channels.We use A2 pin as input pin herein.In such a way that AD is acquired, Hall sensor is obtained
Value and carried out data transmission in a manner of network communication with server.
Wherein, network connection is realized using W5500 network expansion board.W5500 network expansion board is integrated with a hardware
An ICP/IP protocol chip stack W5500 and RJ-45 (HR911105A) containing network transformer.Wherein, W5500 is one
Money devices at full hardware TCP/IP embedded Ethernet controller provides eased internet connection scheme for embedded system
Using hardware logic gate circuit realize ICP/IP protocol stack transport layer and network layer (such as: TCP, UDP, ICMP, IPv4, ARP,
The agreements such as IGMP, PPPoE), and it is integrated with data link layer, RAM is slow as data transmit-receive in physical layer and 32K chunk
It deposits.So that host computer main control chip, need to only undertake the processing task of TCP/IP application layer control information.To be greatly saved
Position machine improves system availability and reliability for the workload of data duplication, protocol processes and interrupt processing etc..
W5500 supports that 8 socket simultaneously, convenient and different IP and equipment are communicated；In order to reduce system energy
Consumption, W5500 provide Wake on LAN mode and power-down mode.W5500 network expansion board is based on serial peripheral (SPI) interface
Peripheral equipment.SPI interface is a kind of synchronous serial Peripheral Interface, allows embeded processor (single-chip microcontroller mould namely here
Block) it is communicated in a serial fashion, data exchange with peripheral equipment (i.e. W5500 network expansion board).W5500 network expansion board with
For connection schematic diagram between one-chip computer module MCU as shown in figure 3, wherein SCSn is chip select pin, low level is effective；SCLK is
SPI is clock input pin, which is used to receive the SPI clock signal of SPI host；MISO is SPI host input slave
(W5500) output pin；MOSI is SPI host output slave (W5500) input pin；INTn is interrupt output pin, low electricity
It is flat effective；RST is reset pin, and low level is effective.Using the ARM development board of STM32F103 there are two SPI interface, I/O port PA4
Multiplexing function have SPI1_NSS, the multiplexing function of I/O port PA5 has SPI1_SCK, and the multiplexing function of I/O port PA6 has SPI1_
The multiplexing function of MISO, I/O port PA7 have SPI1_MOSI, thus the I/O port of this four MCU respectively with W500 network expansion board
The connection of SCSn, SCLK, MOSI, MISO pin.INTn pin and RST pin are two control pins, the I/O port phase common with MCU
Even, what is selected here is PE5 and PE6IO mouthfuls.
The host computer of this system mainly realizes the function of the monitoring of instrument and equipment on-off state, data storage.Host computer
Interaction with slave computer is realized based on Transmission Control Protocol, and the two is attached by cable, and host computer to be arranged to and slave computer
The identical network port.After being completed to these configurations, host computer procedure is first run, the state of listening to is at, it is automatic to obtain
Local ip address, while providing connection state information.After slave computer and host computer establish connection, connection status changes,
Host computer interface real-time display slave computer data, and count.Once being more than threshold value, indicator light colors change, can be clear
Intuitively monitor the state of instrument switch machine.In addition, host computer stores data in table form, conveniently checks and go through
History record.
Illustrate the working method of the utility model with reference to the accompanying drawing:
Hall sensor is placed near instrument and equipment, when instrument and equipment is in running order, electromagnetic wave can be issued,
After this electromagnetic wave is detected by Hall sensor, the electric signal corresponding to electromagnetism intensity can be issued to amplifier, by amplification
ARM development board is passed to after the amplification of device, development board calculates corresponding electric field value and is sent to host computer observation interface.Host computer
Judge that electric field value is greater than certain threshold value, can be indicated by indicator light.When equipment is off working state, electromagnetism will not be issued
Wave, or have small electromagnetic wave, Hall sensor can't detect data or faint data, and then the electric field that development board clears out
Value can be less than certain threshold value, and host computer judges that rear indicator light shows off working state.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.In addition, although being used some specific terms in this specification, this
A little terms do not constitute any restrictions to the utility model just for the sake of facilitating explanation.
Claims (7)
1. a kind of no access type instrument and equipment on-off state monitors system, including upper computer and lower computer, it is characterised in that: its
Middle slave computer includes Hall sensor, amplifier and single-chip microcontroller, and wherein Hall sensor is to sense that instrument and equipment is relevant
Magnetic field, single-chip microcontroller front end connect Hall sensor by amplifier, and the processor of the single-chip microcontroller is calculated and transmitted on equipment under test
Electric field value, then the electric field value calculated is sent in host computer by single-chip microcontroller in a manner of network.
2. system according to claim 1, it is characterised in that: host computer judges electric field value, if electric field value is super
Certain threshold value is crossed, then it is assumed that the equipment is in operating status, is otherwise in non-operating state, and refer to by the variation of indicator light
Show the on-off state of instrument and equipment.
3. system according to claim 1, it is characterised in that: Hall sensor is using linear convergent rate magnetic field sensor
AD22151。
4. system according to claim 1-3, it is characterised in that: amplifier uses high-precision linear amplifier
AD620。
5. system according to claim 1-3, it is characterised in that: single-chip microcontroller is developed using the ARM of STM32F103
Plate.
6. system according to claim 3, it is characterised in that: on-off state is the indicator light by a Boolean type
It indicates.
7. system according to claim 3, it is characterised in that: the circuit connecting relation of AD22151 is the first temperature-compensating
Serial temperature compensates resistance between pin and third temperature-compensating pin, and signal output pin 5 passes through first resistor R2 and gain
Input pin 6 is arranged to connect, gain is arranged input pin 6 and connects respectively through second resistance R3 and offset resistance R4 and reference
Voltage output pin 7 and power pins 8 connect, and capacitor, first resistor R2 and second resistance R3 are provided between power supply VCC and ground
For calculating signal gain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727820.0U CN209707604U (en) | 2018-10-24 | 2018-10-24 | No access type instrument and equipment on-off state monitors system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727820.0U CN209707604U (en) | 2018-10-24 | 2018-10-24 | No access type instrument and equipment on-off state monitors system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209707604U true CN209707604U (en) | 2019-11-29 |
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ID=68634775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821727820.0U Active CN209707604U (en) | 2018-10-24 | 2018-10-24 | No access type instrument and equipment on-off state monitors system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781913A (en) * | 2020-06-24 | 2020-10-16 | 北京北方华创微电子装备有限公司 | Semiconductor device control system and system monitoring method |
| CN114061659A (en) * | 2021-11-15 | 2022-02-18 | 江苏中天互联科技有限公司 | Device monitoring method, device, electronic device, storage medium, and program product |
-
2018
- 2018-10-24 CN CN201821727820.0U patent/CN209707604U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781913A (en) * | 2020-06-24 | 2020-10-16 | 北京北方华创微电子装备有限公司 | Semiconductor device control system and system monitoring method |
| CN114061659A (en) * | 2021-11-15 | 2022-02-18 | 江苏中天互联科技有限公司 | Device monitoring method, device, electronic device, storage medium, and program product |
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