CN207067749U - A kind of signal isolating device and signal acquiring system - Google Patents
A kind of signal isolating device and signal acquiring system Download PDFInfo
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- CN207067749U CN207067749U CN201721063031.7U CN201721063031U CN207067749U CN 207067749 U CN207067749 U CN 207067749U CN 201721063031 U CN201721063031 U CN 201721063031U CN 207067749 U CN207067749 U CN 207067749U
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Abstract
The utility model provides a kind of signal isolating device and signal acquiring system, is related to data collecting field.The signal isolating device includes signal processing unit, self-test unit, communication unit and main control unit, and signal processing unit, self-test unit and communication unit electrically connect with main control unit respectively；Signal processing unit is used to receive the parameter information collected that a sensor is sent and transmits parameter information to main control unit；Self-test unit is used for detection signal isolating device and the connection status of an external intelligent terminal, while generates testing result according to connection status and send to main control unit；Communication unit is used to communicate to connect with external intelligent terminal, and main control unit is used to send parameter information and testing result to external intelligent terminal by communication unit.By the signal isolating device and signal acquiring system operating personnel can be helped easily and effectively to be safeguarded and process management, speeding operations people finder and eliminates the speed of failure, realizes inline diagnosis.
Description
Technical field
Data collecting field is the utility model is related to, in particular to a kind of signal isolating device and signal acquisition system
System.
Background technology
Fieldbus (Field bus) is a kind of industry data bus developed rapidly in recent years, and it is mainly solved
Digital communication and these scene controls between the field apparatus such as the intelligent instrumentation of industry spot, controller, executing agency
Information transmission problem between control equipment and advanced control system (ACS).Because fieldbus is simple, reliable, economical and practical etc. a series of
The advantages of prominent, thus receive the great attention of many standards bodies and computer vendors.
Opening bus Measurement and Control System based on the existing procotol by CAN/DeviceNet, it is automation
The achievement that technology, computer networking technology and instrumental technique development combine, is realized digital between field instrument and control room
Change two-way multi-station communication, but this control system, once breaking down in the course of the work, operating personnel can not soon search
It has the failure, not convenient enough, complex operation.
Utility model content
The purpose of this utility model is to provide a kind of signal isolating device, can realized by the signal isolating device external
Data transfer between intelligent terminal and sensor, while signal isolating device itself and external intelligent terminal can also be detected
Connection status, operating personnel can be helped easily and effectively to be safeguarded and process management, speed operations people finder and
The speed of failure is eliminated, realizes inline diagnosis.
Another object of the present utility model is to provide a kind of signal acquiring system, filled by the above-mentioned signal isolation of application
Put, the collection and transmission of multichannel multiple signals can not only be realized, at the same can also detect signal isolating device itself with it is external
The connection status of intelligent terminal, operating personnel can be helped easily and effectively to be safeguarded and process management, speed operations personnel
The speed of failure is searched and eliminated, realizes inline diagnosis.
What the utility model was realized in：
In a first aspect, the utility model provides a kind of signal isolating device, the signal isolating device is included at signal
Manage unit, self-test unit, communication unit and main control unit, the signal processing unit, the self-test unit and described logical
News unit electrically connects with the main control unit respectively；
The signal processing unit is used to receive the parameter information collected that a sensor is sent and believes the parameter
Breath is transmitted to the main control unit；
Connection status of the self-test unit for detecting the signal isolating device and an external intelligent terminal, and according to
The connection status generates testing result, and the testing result is sent into the main control unit；
The communication unit is used to communicate to connect with the external intelligent terminal, and the main control unit is used for by described logical
News unit sends the parameter information and the testing result to the external intelligent terminal.
Further, stating signal isolating device also includes alarm unit, and the alarm unit is electrically connected with the main control unit
Connect, the main control unit is additionally operable to after receiving the testing result, if the testing result be the signal isolating device with
When the external intelligent terminal disconnects electrical connection, the alarm unit is controlled to alarm.
Further, the self-test unit and the main control unit are integrated on a main control chip, the main control chip
Including data-out port, data-in port and control port, the data-in port and control port difference
Electrically connected with the signal processing unit and the communication unit, the data-out port is electrically connected with the communication unit
Connect.
Further, the signal isolating device also includes memory cell, and the memory cell is used to store the signal
The identification information of isolating device, the identification information include the information for identifying the signal isolating device type.
Further, the signal processing unit includes signal receiving module and analog-to-digital conversion module, and the signal receives
Module, the analog-to-digital conversion module and the main control unit are sequentially connected electrically, and the signal receiving module is described for receiving
The parameter information that sensor is sent, the parameter information are analog signal, and the analog-to-digital conversion module is used to believe the simulation
Number be converted to data signal.
Further, the signal receiving module includes the first connection terminal, current converter circuit, filter circuit and confession
Circuit, the current converter circuit are connected with the filter circuit, and first connection terminal is changed with the electric current respectively
Circuit and power supply circuit electrical connection.
Further, the signal isolating device also includes wireless communication unit, and the wireless communication unit leads to described
Unit communication connection is interrogated, the signal isolating device passes through the wireless communication unit and the external intelligent terminal communication link
Connect.
Further, the signal isolating device also includes power subsystem, the power subsystem respectively with the signal
Manage unit, the self-test unit, the communication unit and main control unit electrical connection.
Second aspect, the utility model provide a kind of signal acquiring system, and the signal acquiring system includes external intelligence
Energy terminal, multiple sensors and signal isolating device, each sensor electrically connect with a signal isolating device,
The external intelligent terminal communicates to connect with the signal isolating device；
The signal isolating device includes signal processing unit, self-test unit, communication unit and main control unit, the letter
Number processing unit, the self-test unit and the communication unit electrically connect with the main control unit respectively；
The signal processing unit is used to receive the parameter information collected that a sensor is sent and believes the parameter
Breath is transmitted to the main control unit；
Connection status of the self-test unit for detecting the signal isolating device and an external intelligent terminal, and according to
The connection status generates testing result, and the testing result is sent into the main control unit；
The communication unit is used to communicate to connect with the external intelligent terminal, and the main control unit is used for by described logical
News unit sends the parameter information and the testing result to the external intelligent terminal.
Further, the external intelligent terminal is used to receive the institute that the main control unit is transmitted by the communication unit
State testing result, the external intelligent terminal includes indicator lamp, if the testing result be the signal isolating device with it is described
When external intelligent terminal normally electrically connects, the indicator lamp is in the first dispaly state；Otherwise, it is aobvious to be in second for the indicator lamp
Show state.
Compared with the prior art, the utility model has the advantages that：A kind of signal isolation provided by the utility model
Device includes signal input unit, main control unit and communication unit, a sensor by signal input unit, main control unit with
And communication unit and an external intelligent terminal communicate to connect, so as to realize the data between the external intelligent terminal and the sensor
Transmission, while the connection status of signal isolating device itself and external intelligent terminal can also be detected, operating personnel can be helped
Easily and effectively safeguarded and process management, the speed of speed operations people finder and elimination failure, realization are examined online
It is disconnected.
The utility model also provides a kind of signal acquiring system, including sensor, signal isolating device and external intelligence
Terminal, sensor pass sequentially through signal isolating device and external intelligent terminal and communicated to connect, so as to realize external intelligent terminal with
Data transfer between sensor, while the connection shape of signal isolating device itself and external intelligent terminal can also be detected
State, operating personnel can be helped easily and effectively to be safeguarded and process management, speeding operations people finder and eliminates failure
Speed, realize inline diagnosis.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
Fig. 1 shows the information of signal isolating device provided by the utility model, sensor and external intelligent terminal
Interaction figure.
Fig. 2 shows a kind of circuit connection block diagram of signal isolating device provided by the utility model.
Fig. 3 shows the circuit diagram of signal processing module provided by the utility model.
Fig. 4 shows main control unit provided by the utility model, self-test unit, communication unit and memory cell
Circuit diagram.
Fig. 5 shows the circuit diagram of power subsystem provided by the utility model.
Icon：100- signal isolating devices；110- signal processing units；112- signal receiving modules；1122- electric currents are changed
Circuit；1124- filter circuits；1126- power supply circuits；114- analog-to-digital conversion modules；120- main control units；130- self-test units；
140- memory cell；150- communication units；160- wireless communication units；170- power subsystems；The power modules of 172- first；174-
Second source module；180- alarm units；200- signal acquiring systems；210- sensors；The external intelligent terminals of 220-.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based on reality of the present utility model
Example is applied, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, is belonged to
The scope of the utility model protection.
, it is necessary to which explanation, similar label and letter represent in following accompanying drawing in description of the present utility model
Similar terms, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it need not be carried out further in subsequent accompanying drawing
Definition and explanation.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or dark
Show relative importance.
Referring to Fig. 1, show a kind of structural frames for signal acquiring system 200 that the utility model embodiment is provided
Figure.The signal acquiring system 200 that the utility model embodiment is provided can be applied to oil drilling scene, for gathering, transmitting
The parameter information at oil drilling scene.Signal acquiring system 200 includes multiple signal isolating devices 100, sensor 210 and outer
Intelligent terminal 220 is connect, sensor 210 and external intelligent terminal 220 communicate/electrically connected with signal isolating device 100 respectively.
Sensor 210 electrically connects with signal isolating device 100, for gathering the parameter information at oil drilling scene, and will
The parameter information is transmitted to signal isolating device 100.The sensor 210 can be but be not limited only to, and drilling depth sensor, press
Force snesor etc., the parameter information can be but be not limited only to drilling liquid parameter, geological logging parameter, log parameter etc..
It should be noted that sensor 210 and signal isolating device 100 are one-to-one relations, a sensor 210
For being electrically connected with a signal isolating device 100；Signal acquiring system 200, which can include a sensor 210, to be wrapped
Multiple sensors 210 are included, particular number needs to set according to user.
Parameter information on oil drilling scene of the signal isolating device 100 for receiving the transmission of sensor 210, and
Transmitted after parameter information is handled to external intelligent terminal 220, continue to be handled again by external intelligent terminal 220.
External intelligent terminal 220 communicates to connect with signal isolating device 100, for receiving and handling by signal isolating device
The parameter information of 100 transmission.External intelligent terminal 220 can be connected by wireless network with signal isolating device 100, such as blue
Tooth, wifi etc., it is advantageous in that, situ of drilling well is more flexible using wireless communication, operating personnel can not be by time, sky
Between and cable limitation, while do not need substantial amounts of engineering to connect up, setting and safeguard it is all more easy.External intelligent terminal
220 can also be connected by fieldbus with signal isolating device 100, and fieldbus has higher data transmission rate；It is higher
Security, Sefe antiexplosion requirement can be met；Fieldbus also has stronger antijamming capability simultaneously, can solve environment
Adaptability problem, more reliably.
It should be noted that an external intelligent terminal 220 can correspond to multiple signal isolating devices 100.External intelligence is eventually
End 220 can be programmable logic controller (PLC) (Programmable Logic Controller, PLC), smart mobile phone, flat board
Computer, computer (Personal Computer, PC) etc..It is external for indicating meanwhile external intelligent terminal 220 includes indicator lamp
The connection status of intelligent terminal 220 and signal isolating device 100.In the present embodiment, the dispaly state of indicator lamp includes green
And red, when external intelligent terminal 220 electrically connects with signal isolating device 100, indicator lamp display green；When external intelligence is whole
When end 220 disconnects with signal isolating device 100, indicator lamp display is red.
Referring to Fig. 2, the structured flowchart for the signal isolating device 100 that the utility model embodiment is provided is shown, this
The signal isolating device 100 that utility model embodiment is provided is applied to oil drilling scene, is gathered for receiving sensor 210
Parameter information and the parameter information is transmitted to external intelligent terminal 220.Signal isolating device 100 include power subsystem 170,
Signal processing unit 110, self-test unit 130, main control unit 120, communication unit 150, memory cell 140, wireless communication unit
160 and alarm unit 180.Wherein, power subsystem 170, signal processing unit 110, self-test unit 130, communication unit 150,
Memory cell 140 and alarm unit 180 electrically connect with main control unit 120 respectively, wireless communication unit 160 and communication unit
150 electrical connections；In addition, power subsystem 170 also respectively with signal processing unit 110, self-test unit 130, communication unit 150, deposit
Storage unit 140 and wireless communication unit 160 electrically connect.
Referring to Fig. 3, show the circuit diagram of signal processing unit 110.Signal processing unit 110 includes signal and receives mould
Block 112 and analog-to-digital conversion module 114, signal receiving module 112 electrically connect with analog-to-digital conversion module 114, wherein, signal receives mould
Block 112 also electrically connects with sensor 210, and analog-to-digital conversion module 114 also electrically connects with main control unit 120.
Signal receiving module 112 is used to receive the parameter information that sensor 210 collects, and the parameter information is filtered
Ripple, the operation of amplification.Signal receiving module 112 includes the first connection terminal XS1, current converter circuit 1122, filter circuit
1124 and power supply circuit 1126, wherein the first connection terminal XS1, current converter circuit 1122, filter circuit 1124 are in sequential series,
Power supply circuit 1126 electrically connects with the first connection terminal XS1.
Wherein, the first connection terminal XS1 is used to electrically connect with sensor 210, the parameter information that transmission sensor 210 is sent
To current converter circuit 1122.First connection terminal XS1 includes the first pin, second pin, the 3rd pin, the 4th pin, the
Five pins and the 6th pin, the first pin electrically connect with second pin, and the 3rd pin electrically connects with the 4th pin, the 5th pin
Electrically connected with the 6th pin；The first pin and the 3rd pin also electrically connect with current converter circuit 1122 respectively simultaneously, and the 5th draws
Pin electrically connects with power supply circuit 1126.
The parameter information that sensor 210 collects is current signal, and current converter circuit 1122 is used to this including parameter
The current signal of information is converted to the voltage signal comprising parameter information, is easy to analog-to-digital conversion module 114 to receive.
In the present embodiment, current converter circuit 1122 includes first resistor R1, second resistance R2 and the first diode
VD1.Wherein, it is in parallel with second resistance R2 again after first resistor R1 is in sequential series with the first diode VD1 positive pole, negative pole, the
One resistance R1 and second resistance R2 tie point connects the first connection terminal XS1 the 3rd pin, and the first diode VD1 positive pole connects
First connection terminal XS1 the first pin.
Filter circuit 1124 is used to filter out the interference signal to caused by parameter information.In the present embodiment, filter circuit
1124 include the first electric capacity C1, the second electric capacity C2 and the 3rd electric capacity C3, the first electric capacity C1, the second electric capacity C2 and the 3rd electric capacity
It is grounded after C3 parallel connections, for being filtered to the parameter information collected by sensor 210 received.Wherein, the first electric capacity
C1 and the second electric capacity C2 is the electrochemical capacitor of polarized, and effect is the low-frequency ac signal filter in the parameter information that will be received
Walk, the first electric capacity C1 is used to carry out first time filtering, and the second electric capacity C2 is used to carry out second of filtering；3rd electric capacity C3 is not have
The ceramic condenser of polarity, it is that the high frequency ac signal filter in parameter information is walked that it, which is acted on,.First electric capacity C1 one end be grounded and with
First diode VD1 positive poles electrically connect, and the first electric capacity C1 the first diode VD1 negative poles of another termination simultaneously export filtered parameter
Information is to analog-to-digital conversion module 114.
Power supply circuit 1126 is used to power to sensor 210.In the present embodiment, power supply circuit 1126 include triode Q,
Second diode VD2, the 4th electric capacity C4, the 4th resistance R4 and the 5th resistance R5.Wherein, triode Q emitter stage and first
Connection terminal XS1 the 6th pin electrical connection, negative pole by the second diode VD2 of triode Q base stage, plus earth, the
Four electric capacity C4 are in parallel with the second diode VD2, and triode Q colelctor electrode connects power supply, and the termination power one end of the 4th resistance R4 mono- leads to
Cross four electric capacity C4 ground connection.
Analog-to-digital conversion module 114 is used to after gathering via sensor 210 transmit to signal receiving module 112, then by believing
The analog signal that number receiving module 112 is handled and transmitted is converted to data signal.
In the present embodiment, analog-to-digital conversion module 114 includes a signal conversion chip, and the signal conversion chip can be used for
Data signal is converted analog signals into, signal conversion chip includes SCLK pins, AIN pins, GND pin, VDD pins, CS
Pin, RSEST pins and DOUT pins.Wherein, the other end of AIN pins and the first electric capacity C1 in filter circuit 1124 is electrically connected
Connect, for inputting analog signal to signal conversion chip；GND pin is grounded, and VDD pins connect power subsystem 170；CS pins connect electricity
Source unit 170；SCLK pins and DOUT pins all electrically connect with main control unit 120.
Referring to Fig. 4, show main control unit 120, self-test unit 130, memory cell 140 and communication unit 150
Circuit diagram.Main control unit 120 is used for runs software program, so as to perform various function application and data processing.Specifically, it is main
Control unit 120 is used for after the data signal comprising parameter information of the transmission of signal processing unit 110 is received, and the numeral is believed
Number it is changed into protocol digital signals, and transmits parameter information to external intelligent terminal 220 via protocol converter.
In the present embodiment, main control unit 120 is encoded it using DeviceNet agreements to receiving data signal
It is changed into protocol digital signals, and will be assisted by controller local area network (Controller Area Network, CAN) bus
Digital data transmission is discussed to external intelligent terminal 220, the equipment on DeviceNet networks freely can be connected or disconnected,
The other equipment on network is had no effect on, the data transmission efficiency at oil drilling scene can be greatly improved.Therefore and DeviceNet
Corresponding to agreement, protocol converter is CAN communication device.
Self-test unit 130 is used for detection signal isolating device 100 and the connection status of external intelligent terminal 220, and generates
Testing result；Self-test unit 130 is additionally operable to transmit the testing result to main control unit 120, will be detected and tied by main control unit 120
Fruit is transmitted to external intelligent terminal 220 by communication unit 150.Testing result is divided into two kinds：One kind is external intelligent terminal 220
Normally it is connected with signal isolating device 100, another kind is that external intelligent terminal 220 disconnects with signal isolating device 100.When
When external intelligent terminal 220 is normally connected with signal isolating device 100, signal isolating device 100 is in presence, now outer
Connect after intelligent terminal 220 receives monitoring result and show green light, represent external intelligent terminal 220 with signal isolating device 100 just
Often connection；When external intelligent terminal 220 and signal isolating device 100 disconnect, signal isolating device 100 is in offline shape
State, now external intelligent terminal 220 show red light after receiving monitoring result, represent external intelligent terminal 220 and signal isolation
Device 100 disconnects, it is necessary to which staff is overhauled.
In the present embodiment, self-test unit 130 is integrated on a main control chip with main control unit 120.Main control chip bag
Include data-out port, data-in port and control port.Data-out port includes P0.0-P0.7 pins, for
The electrical connection of communication unit 150 and output protocol data signal is to communication unit 150.Data-in port include P3.1 pins, with
And P3.5 pins, P3.1 pins are used to electrically connect with memory cell 140, P3.5 pins are used to draw with the DOUT of signal conversion chip
Pin electrically connects, for inputting data signal.Control port includes P1.3 pins, RST pins, P3.2 pins, P3.6 pins, P3.7
Pin, P2.7 pins, XTAL1 pins and XTAL2 pins, P1.3 pins are used to be electrically connected with the SCLK pins of signal conversion chip
Connect, give signal conversion chip input clock signal；RST pins are used to connect reset signal；P3.2 pins are electrically connected with communication unit 150
Connect, for exporting interrupt signal to communication unit 150；P3.6 pins and P3.7 pins electrically connect with communication unit 150, are used for
Read/write direction sequential is provided；P2.7 pins electrically connect with communication unit 150, export chip selection signal；XTAL1 pins and XTAL2
Pin is used to connect external crystal-controlled oscillation signal.
Memory cell 140 is used for the identification information for storing different types of signal isolating device 100, external intelligent terminal
220 need to use different types of parameter information, and main control unit 120 is determined by the identification information being stored in memory cell 140
Surely the signal isolating device 100 of corresponding types is enabled, to gather the parameter information of corresponding types by sensor 210.In this reality
Apply in example, signal isolating device 100 is including A pattern analog quantity 4-20mA is imported, Type B (pump impulse) frequency is imported, c-type (winch)
It is imported to count the counting of imported and D types (flow).
Wherein, the imported signal isolating devices 100 of A patterns analog quantity 4-20mA, there is provided isolation distributing function.Input as single-pass
Road two-wire system 4-20mA analog signals, export as DeviceNet protocol digital signals, electric current number unit is uA values, data type
For 16bits integers, the maximum economize on electricity number 64 of every section of bus.
The imported signal isolating device 100 of Type B (pump impulse) frequency：Single channel intrinsic safety NAMUR standards proximity switch inputs, frequency
Rate scope be 0-1920 punchings/point, it is allowed to error 1 rushes/point, export as frequency number, unit for punching/point, data type 16bits
Integer.The interface should be able to filter out signal fluctuation caused by mechanical shaking and various interference, and responsive time constant t should be able to pass through CAN
Master operating station in bus is configured.
C-type (winch) counts imported signal isolating device 100：Two passage intrinsic safety NAMUR standards proximity switches input, and lead to
The setting that CAN carries out counter values is crossed, while the 90 degree of phase relation forward countings inputted according to two switches or negative meter
Number, according to a 4 frequency multiplication countings of progress in two inputs, error is ± 1, it is allowed to the frequency highest to be conducted interviews by bus
For 10Hz.Setting value and output valve are count value, and unit is umber of pulse, and data type is 16bits integers.
D types (flow) count imported signal isolating device 100：Single channel intrinsic safety NAMUR standards proximity switch inputs, frequency
Rate responds<2kHz, counted down by the pulse of input, count value 65535 during reset, often input the pulse counting that subtracts one, count
Automatic turning is 65535 after value is kept to zero, is gone round and begun again.Error is ± 1, and output data type is 16bits integers.
In the present embodiment, memory cell 140 includes storage chip.Storage chip includes SCK pins, SI pins, respectively
Electrically connected with main control unit 120.
Communication unit 150 is used to realize the data exchange between signal isolating device 100 and external intelligent terminal 220.Example
Such as, the protocol digital signals obtained after being handled via main control unit 120 are transmitted to external intelligent terminal 220 etc..In this implementation
In example, communication unit 150 includes communication chip, and communication chip includes AD0-AD7 pins, INT pins, CS pins.Wherein, AD0-
AD7 pins connect the P0.0-P0.7 pins of main control chip respectively, for receiving the signal of the output of main control unit 120；INT pins connect
The P3.2 pins of main control chip, for receiving interrupt signal；CS pins connect the P2.7 pins of main control chip, receive chip selection signal.
Alarm unit 180 is used for when self-test unit 130 detects that signal isolating device 100 is disconnected with external intelligent terminal 220
Connection alarm is opened, reminds operating personnel to be overhauled.Alarm unit 180 includes alarm, alarm and the electricity of main control unit 120
Connection, when self-test unit 130 detects that signal isolating device 100 disconnects with external intelligent terminal 220, alarm work
Make.In the present embodiment, alarm is buzzer, i.e., when self-test unit 130 detects signal isolating device 100 and external intelligence
When terminal 220 disconnects, buzzer rings, staff is reminded to be overhauled.It should be noted that in other embodiment
In, alarm can also be alarm lamp etc..
Referring to Fig. 5, show the circuit diagram of power subsystem 170.Power subsystem 170 be used for signal processing unit 110,
Memory cell 140, main control unit 120 and communication unit 150 are powered.Specifically, power subsystem 170 includes the first power module
172 and second source module 174.
First power module 172 is used to export VCC voltages.First power module 172 includes voltage stabilizing chip, the voltage stabilizing chip
U1 includes voltage input pin Vin, voltage output pin Vout and grounding pin GND.Voltage stabilizing chip U1 control source is drawn
Pin Vin connects 8V power supplys and is grounded by the 5th electric capacity C5, voltage stabilizing chip U1 grounding pin GND ground connection, voltage stabilizing chip U1 electricity
Pressure output pin Vout is grounded by the 6th electric capacity C6, and the 7th electric capacity C7 is in parallel with the 6th electric capacity C6.First power module 172
Voltage output pin Vout exports VCC voltages.
Second source module 174 includes the sub- XS2 of second connection end, and the sub- XS2 of second connection end draws including the first pin, second
Pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, wherein, second pin electrically connects with conversion chip；First
Different from the main control chip pin electrical connections respectively of pin, the 3rd pin and the 4th pin, make electric on different pins respectively；
5th pin connects power supply, the 6th pin ground connection.
Wireless communication unit 160 electrically connects with the communication unit 150, and wireless communication unit 160 can fill signal isolation
100 are put to communicate to connect by wireless network and external intelligent terminal 220.Wireless network can be bluetooth, wifi etc., using wireless
Network service is advantageous in that situ of drilling well is more flexible, and operating personnel can not be limited by time, space and cable,
Substantial amounts of engineering is not needed to connect up simultaneously, setting and maintenance are all more easy.
The utility model embodiment provides a kind of signal isolating device 100 and signal acquiring system 200, including at signal
Manage unit 110, self-test unit 130, main control unit 120 and communication unit 150, signal processing unit 110, self-test unit 130
And communication unit 150 electrically connects with main control unit 120 respectively, by communication unit 150 can realize external intelligent terminal 220 with
Data transfer between sensor 210, and by increasing self-test unit 130, be capable of detecting when signal isolating device 100 itself with
The connection status of external intelligent terminal 220, when signal isolating device 100 disconnects with external intelligent terminal 220 to be electrically connected, alarm
Unit 180 is alarmed, and operating personnel can be helped easily and effectively to be safeguarded and process management, speed operations people finder and
The speed of failure is eliminated, realizes inline diagnosis.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. signal isolating device, it is characterised in that the signal isolating device include signal processing unit, self-test unit, Communication unit and main control unit, the signal processing unit, the self-test unit and the communication unit respectively with it is described Main control unit electrically connects；The signal processing unit is used to receive the parameter information collected that a sensor is sent and passes the parameter information Transport to the main control unit；The self-test unit is used for the connection status for detecting the signal isolating device and an external intelligent terminal, and according to described Connection status generates testing result, and the testing result is sent into the main control unit；The communication unit is used to communicate to connect with the external intelligent terminal, and the main control unit is used for single by the communication Member sends the parameter information and the testing result to the external intelligent terminal.
- 2. signal isolating device according to claim 1, it is characterised in that it is single that the signal isolating device also includes alarm Member, the alarm unit are electrically connected with the main control unit, and the main control unit is additionally operable to after receiving the testing result, if When the testing result is that the signal isolating device disconnects with the external intelligent terminal, the alarm unit is controlled to alarm.
- 3. signal isolating device according to claim 1, it is characterised in that the self-test unit and the main control unit It is integrated on a main control chip, the main control chip includes data-out port, data-in port and control port, described Data-in port and the control port electrically connect with the signal processing unit and the communication unit respectively, the number Electrically connected according to output port with the communication unit.
- 4. signal isolating device according to claim 1, it is characterised in that it is single that the signal isolating device also includes storage Member, the memory cell are used to store the type information for identifying the signal isolating device.
- 5. signal isolating device according to claim 1, it is characterised in that the signal processing unit receives including signal Module and analog-to-digital conversion module, the signal receiving module, the analog-to-digital conversion module and the main control unit are electrically connected successively Connect, the signal receiving module is used to receiving the parameter information that the sensor is sent, and the parameter information is analog signal, institute Analog-to-digital conversion module is stated to be used to the analog signal being converted to data signal.
- 6. signal isolating device according to claim 5, it is characterised in that the signal receiving module includes the first connection Terminal, current converter circuit, filter circuit and power supply circuit, the current converter circuit are connected with the filter circuit, institute The first connection terminal is stated to electrically connect with the current converter circuit and the power supply circuit respectively.
- 7. signal isolating device according to claim 1, it is characterised in that the signal isolating device also includes channel radio Believe unit, the wireless communication unit communicates to connect with the communication unit, and the signal isolating device passes through the channel radio Believe that unit communicates to connect with the external intelligent terminal.
- 8. signal isolating device according to claim 1, it is characterised in that the signal isolating device also includes power supply list Member, the power subsystem respectively with the signal processing unit, the self-test unit, the communication unit and the master control list Member electrical connection.
- 9. a kind of signal acquiring system, it is characterised in that the signal acquiring system includes external intelligent terminal, multiple sensors And the signal isolating device in multiple 1-8 such as claim as described in any one, each sensor and a letter The electrical connection of number isolating device, the external intelligent terminal communicate to connect with the signal isolating device.
- 10. signal acquiring system according to claim 9, it is characterised in that the external intelligent terminal is used to receive institute The testing result that main control unit is transmitted by the communication unit is stated, the external intelligent terminal includes indicator lamp, if institute When stating testing result and normally being electrically connected with the external intelligent terminal for the signal isolating device, the indicator lamp is in first Dispaly state；Otherwise, the indicator lamp is in the second dispaly state.
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| CN201721063031.7U CN207067749U (en) | 2017-08-23 | 2017-08-23 | A kind of signal isolating device and signal acquiring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721063031.7U CN207067749U (en) | 2017-08-23 | 2017-08-23 | A kind of signal isolating device and signal acquiring system |
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| CN207067749U true CN207067749U (en) | 2018-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181875A (en) * | 2018-03-21 | 2018-06-19 | 恒进感应科技（十堰）股份有限公司 | One kind is used for Induction Heat Treatment Equipment data management and control device |
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2017
- 2017-08-23 CN CN201721063031.7U patent/CN207067749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181875A (en) * | 2018-03-21 | 2018-06-19 | 恒进感应科技（十堰）股份有限公司 | One kind is used for Induction Heat Treatment Equipment data management and control device |
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