CN205919862U - A daughter board and two vibration sensor systems for measuring electron device - Google Patents
A daughter board and two vibration sensor systems for measuring electron device Download PDFInfo
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- CN205919862U CN205919862U CN201620144713.XU CN201620144713U CN205919862U CN 205919862 U CN205919862 U CN 205919862U CN 201620144713 U CN201620144713 U CN 201620144713U CN 205919862 U CN205919862 U CN 205919862U
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Abstract
A daughter board and two vibration sensor systems for measuring electron device. The utility model provides a daughter board (100a, 100b) for measuring electron device (200) . this daughter board (100a, 100b) arrives measurement electron device's (200) connector (110a, 110b) and is configured as the port (120a, 120b) of communication coupling to metering unit (10a, 10b) including being configured as communication coupling.
Description
Technical field
The embodiments described below is related to Meter electronics, and more particularly relates to the son of Meter electronics
Plate (daughter board) and double vibrating sensor system.
Background technology
The vibrating sensor of such as vibration densimeter and coriolis flowmeter etc is commonly known, and quilt
It is used for measuring quality stream and the other information relevant with the material by the pipe flow in effusion meter.In United States Patent (USP) 4,109,
524th, United States Patent (USP) 4,491,025 and list of references 31,450(re. 31,450) in disclose exemplary Coriolis flow
Meter.These effusion meters have the gauge assembly of the conduit with one or more straight or curved configurations.Coriolis mass flow
Each conduit configuration in gauge for example has one group of eigentone, and it can have simple bending, torsion or coupling class
Type.Each conduit can be driven into and vibrate in a preferred mode.When not having flow to pass through effusion meter, it is applied to (multiple) conduit
Driving force promote along (multiple) conduit a little with identical phase place or (it is at zero delivery with little " zero offset "
The time delay recording) vibration.
When material begins to flow through (multiple) conduit, Coriolis force promotes each point along (multiple) conduit to have not
Same phase place.For example, lag behind the phase place at center driven mechanism position in the phase place at effusion meter arrival end, and exit
Phase place is ahead of the phase place at center driven mechanism position.(multiple) supravasal pickup device (pickoff) produces and represents (many
Individual) sinusoidal signal of the motion of conduit.It is processed to determine the time between pickup device from the signal of pickup device output
Postpone.Time delay between two or more pickup devices becomes ratio with the mass flow rate of the material flowing through (multiple) conduit
Example.
The Meter electronics being connected to drive mechanism generate the drive signal of operation drive mechanism and also according to from picking up
The signal that element receives is taken to determine the mass flow rate of rapidoprint and/or other property.Drive mechanism can include many
One of known layouts；However, magnet has been obtained for immense success with relative driving coil in effusion meter industry.Will
Alternating current is delivered to driving coil to vibrate (multiple) conduit with desired conduit amplitude and frequency.In this area also
Know and pickup device is provided as the magnet closely similar with drive mechanism arrangement and coil arrangement.
Many systems utilize two or more gauge assemblies because of various design constraints.For example, will liquefy natural
Gas (lng) is distributed to gauge assembly used in lng vehicle and can be measured using the first gauge assembly from the pumping of lng accumulator tank
Fuel to lng vehicle.Second gauge assembly can be used to measure the fuel returning to lng tank.Return to the fuel of lng tank
Can have various flows speed, temperature, state etc..However, each gauge assembly has single metering electronic device.Reduce meter
Amount electronic device number and improve Meter electronics configurability can reduce needs two or more metering groups
The cost of the system of part and complexity.It is accordingly, there are the needs to the daughter board for Meter electronics.
Utility model content
A kind of daughter board for Meter electronics is provided.According to an embodiment, this daughter board includes being configured to communicate
The port be coupled to the adapter of Meter electronics and be configured to be communicatively coupled to gauge assembly.
A kind of method of operation daughter board is provided.According to an embodiment, the method includes adapter and the metering making daughter board
Electronic device communicative couplings and the port and the gauge assembly communicative couplings that make daughter board.
A kind of pair of vibrating sensor system is provided.According to an embodiment, this pair of vibrating sensor system includes the coupling that communicates
The daughter board closing gauge assembly and the Meter electronics being communicatively coupled to daughter board.This Meter electronics be configured to via
Daughter board is communicated with gauge assembly.
Aspect.
According on one side, a kind of daughter board (100a, 100b) for Meter electronics (200) includes being configured to lead to
Letter is coupled to the adapter (110a, 110b) of Meter electronics (200) and is configured to be communicatively coupled to gauge assembly
The port (120a, 120b) of (10a, 10b).
Preferably, this daughter board (100a, 100b) also include being communicatively coupled to adapter (110a, 110b) and port (120a,
Electronic device (130a, 130b) at least one of 120b).
Preferably, this electronic device (130a, 130b) includes being communicatively coupled to the memorizer of adapter (110a, 110b)
(132a, 132b).
Preferably, this electronic device (130a, 130b) includes being communicatively coupled to adapter (110a, 110b) and port
The analog to digital circuit (134a, 134b) of at least one of (120a, 120b).
Preferably, this electronic device (130a, 130b) includes being communicatively coupled to adapter (110a, 110b) and port
The pick-up circuit (136a, 136b) of at least one of (120a, 120b).
Preferably, this electronic device (130a, 130b) includes being communicatively coupled to adapter (110a, 110b) and port
The drive circuit (138a, 138b) of at least one of (120a, 120b).
Preferably, this electronic device (130a, 130b) is configured to and the processor in Meter electronics (200)
(210) communicate.
Preferably, this electronic device (130a, 130b) is configured to via communication bus (spi bus) and serial port
(sport0, sport1) is communicated with Meter electronics (200).
According on one side, a kind of method of operation daughter board includes making the adapter of daughter board to communicate with Meter electronics coupling
Close and make port and the gauge assembly communicative couplings of daughter board.
Preferably, the method also includes at least in the electronic device and Meter electronics and gauge assembly make daughter board
Individual communicative couplings.
Preferably, communicative couplings electronic device includes making memory communication be coupled to Meter electronics.
Preferably, communicative couplings electronic device includes making analog to digital circuit communication be coupled to Meter electronics and meter
At least one of amount assembly.
Preferably, communicative couplings electronic device includes making pick-up circuit be communicatively coupled to Meter electronics and gauge assembly
At least one of.
Preferably, communicative couplings electronic device includes making drive circuit be communicatively coupled to Meter electronics and gauge assembly
At least one of.
Preferably, communicative couplings electronic device includes making electronic device be communicatively coupled to the process in Meter electronics
Device.
According on one side, a kind of pair of vibrating sensor system (5) includes being communicatively coupled to gauge assembly (10a, 10b)
Daughter board (100a, 100b) and the Meter electronics (200) being communicatively coupled to daughter board (100a, 100b).This metering electronics device
Part (200) is configured to communicate with gauge assembly (10a, 10b) via daughter board (100a, 100b).
Brief description
Identical reference number represents the similar elements on all accompanying drawings.It should be understood that accompanying drawing is not necessarily to scale.
Double vibrating sensor systems 5 of the daughter board that Fig. 1 illustrates to have for Meter electronics.
Fig. 2 illustrates the double vibrating sensor systems 5 including the daughter board for Meter electronics.
Fig. 3 illustrates the block diagram of double vibrating sensor systems 5.
Fig. 4 illustrates the first and second daughter board 100a according to an embodiment, 100b.
Fig. 5 illustrates according to an embodiment for operating daughter board 100a, the method 500 of 100b.
Specific embodiment
Fig. 1-5 and explained below depict how teaching those skilled in the art obtain and use for measuring electronics
The specific example of the optimal mode of the embodiment of the daughter board of device.In order to instruct the purpose of utility model principle, some routine sides
Face has been simplified or omitted.It would be recognized by those skilled in the art that falling into the change from these examples in the range of this description
Change.It would be recognized by those skilled in the art that in every way features described below can be combined to be formed for measuring electronics
Multiple changes of the daughter board of device.Therefore, the embodiments described below is not limited to specific examples described below, but only by weighing
Profit requires and its equivalent is limiting.
Daughter board for Meter electronics may be configured to communicate with Meter electronics and gauge assembly.More specifically
Ground, daughter board can include being configured to be communicatively coupled to the adapter of Meter electronics and be configured to be communicatively coupled to meter
The port of amount assembly.Daughter board can include being communicatively coupled to the electronic device of adapter and port.This electronic device can include
Memorizer, analog to digital circuit, pick-up circuit and/or drive circuit.This electronic device can by such as communication bus with
Processor communication coupling in Meter electronics, to obtain sensor signal and such as calibration factor and meter from electronic device
The value of amount zero point etc.
In double vibrating sensor systems, Meter electronics can pass through first and second via the first and second daughter boards
Communication channel and the first and second gauge assembly communicative couplings.This first and second daughter board can measure with first and second respectively
Assembly is associated.This first and second daughter board can also store that can to identify which in the first and second gauge assemblies corresponding
Be coupled to the ident value of the first and second communication channels.Therefore, double vibrating sensor systems can be configurable, so that
For example only single metering assembly is coupled to Meter electronics or the first and second gauge assemblies can be logical first and second
Exchange, as discussed in greater detail between letter channel.
Vibrating sensor system.
Double vibrating sensor systems 5 of the daughter board that Fig. 1 illustrates to have for Meter electronics.As shown in fig. 1, double shake
Dynamic sensing system 5 includes the first vibrating sensor 5a and the second vibrating sensor 5b.First and second vibrating sensor 5a, 5b
Include respectively Meter electronics 200, first and second daughter board 100a, 100b and the first and second gauge assembly 10a,
10b.
Meter electronics 200 are communicatively coupled to the first and second meterings via first group and second group of wire 11a, 11b
Assembly 10a, 10b, it is respectively coupled to first and second daughter board 100a, 100b.This first group and second group of wire 11a, 11b
It is coupled (such as attachment, stickup etc.) first and second COM1 270a, 270b on Meter electronics 200.Should
First group and second group of wire 11a, 11b are also via the first and second communication ends on first and second gauge assembly 10a, 10b
Mouth 7a, 7b are coupled to first and second gauge assembly 10a, 10b.Meter electronics 200 are configured to by path 260 to master
Machine provides information.First and second gauge assembly 10a, 10b are shown to have the housing surrounding flowtube.Hereinafter with reference to figure
2-4 is more fully described the first and second daughter board 100a, 100b, Meter electronics 200 and the first and second gauge assemblies
10a、10b.
Again referring to Fig. 1, first and second vibrating sensor 5a, 5b can be used for for example calculating supply line sl and the line of return
Flow velocity rate between rl and/or the difference of total flow.More specifically, double vibrating sensor systems 5 can be used in cryogenic applications
In, it is in the fluid of liquid from tank supply wherein and and then it returns to tank gaseous state.Should in an exemplary low temperature
With in, the first gauge assembly 10a can be a part of supply line sl and the second meter that lng is supplied to lng distributor ld
Amount assembly 10b can be from a part of the line of return rl of lng distributor ld.Can be from by the first gauge assembly 10a's
Total flow deducts the total amount determining the lng from lng distributor ld supply by the total flow of the second gauge assembly 10b.With void
Line illustrates there is supply and line of return sl, and this exemplary application of rl can be used in it so that double vibrating sensor systems 5 to be described
During it is applied.Furthermore, it is possible to using other cryogens, such as hydrogen etc..As it is also appreciated that, real in described and other
Apply in example, this calculating can be executed by Meter electronics 200 and/or first and second daughter board 100a, 100b, this is below
In be described in more detail.
Fig. 2 illustrates the double vibrating sensor systems 5 including the daughter board for Meter electronics.As shown in Figure 2, double shake
Dynamic sensing system 5 includes the first vibrating sensor 5a and the second vibrating sensor 5b with reference to Fig. 1 description above.In order to
For the sake of clear, it is shown without the housing on Meter electronics 200 and first and second gauge assembly 10a, 10b.First He
Second gauge assembly 10a, 10b responds to the mass flow rate of rapidoprint and density.Meter electronics 200 and/or
First and second daughter board 100a, 100b are connected to the first and second gauge assemblies via first and second groups of wires 11a, 11b
10a, 10b provide density, mass flow rate and temperature information and other information will pass through path 260.Coriolis flow
Meter structure is described, but this utility model may be implemented as vibrating conduit densimeter, sound for a person skilled in the art
Fork densimeter, viscosimeter etc. are obvious.
First and second gauge assembly 10a, 10b include parallel conduits to 13a, 13a ' and 13b, 13b ', drive mechanism
18a, 18b, temperature sensor 19a, 19b, and left and right pickup sensor 17al, 17ar and 17bl, 17br.Conduit to 13a,
13a ' and 13b, 13b each of ' all along conduit 13a, 13a ' and 13b, 13b ' length two symmetric positions at curved
Bent and substantially parallel over their entire lengths.Conduit 13a, 13a ' and 13b, 13b ' driven-mechanism 18a, 18b enclose
Drive in the opposite direction around their corresponding axis of bendings, and be in the first out-phase beam mode being referred to as effusion meter
Pattern.Drive mechanism 18a, 18b can include any one of many arrangements, is such as installed to the magnet of conduit 13a ', 13b '
And be installed to the opposed coil of conduit 13a, 13b, and alternating current pass through this opposed coil in case make two conduit 13a,
13a ' and 13b, 13b ' vibration.As directed, by first and second daughter board 100a, 100b, suitable drive signal is applied to
Drive mechanism 18a, 18b.However, in alternative embodiments, drive signal can be applied by Meter electronics.
First and second vibrating sensor 5a, 5b initially can be calibrated, and can generate flow calibration factor fcf together with
Zero offset δ t0.In use, flow calibration factor fcf can be multiplied by the time delay δ t being measured by pickup device and deduct zero
Skew δ t0So that generation mass flow rate.To be described using flow calibration factor fcf and zero offset δ t by equation (1)0
Mass flow rate equation example:
(1)
Wherein:=mass flow rate
Fcf=flow calibration factor
δtmeasuredThe time delay of=measurement
δt0=initial zero offset.
Temperature sensor 19a, 19b are installed to conduit 13a ', 13b ' continuously to measure conduit 13a ', the temperature of 13b '
Degree.Conduit 13a ', the temperature of 13b ' and be therefore directed to the voltage that across temperature sensor 19a, 19b of given electric current occur by leading to
Cross the management of the temperature of the material of conduit 13a ', 13b '.The temperature dependent voltage that across temperature sensor 19a, 19b occur can be by
Meter electronics 200 and/or first and second daughter board 100a, 100b are used for compensating drawing due to any change in conduit temperature
Rise conduit 13a ', the change of the elastic modelling quantity of 13b '.In an illustrated embodiment, temperature sensor 19a, 19b is resistance temperature
Degree detector (rtd).Although the embodiments described herein adopts rtd sensor, can adopt in alternate embodiments
Other temperature sensors, such as critesistor, thermocouple etc..
In an illustrated embodiment, first and second daughter board 100a, 100b via first and second groups of wires 11a, 11b from
Left and right pickup sensor 17al, 17ar and 17bl, 17br receive left and right sensor signal and from temperature sensor 19a,
19b receives temperature signal.Meter electronics 200 provide drive signal to drive mechanism 18a, 18b and make first and second
To conduit 13a, 13a ' and 13b, 13b ' vibration.Meter electronics 200 and/or first and second daughter board 100a, 100b are permissible
Process left and right sensor signal and temperature signal to calculate the material by first and second gauge assembly 10a, 10b
Mass flow rate and density.This information is applied by path 260 as signal together with the measured electronic device 200 of other information.
As may recognize that, although the double vibrating sensor systems 5 shown in Fig. 1 and 2 only include two metering groups
Part 10a, 10b, but double vibrating sensor system 5 can be used in the system including more than two gauge assembly.For example, count
Amount electronic device may be configured to communicate with three or more gauge assemblies.In such an arrangement, double vibrating sensors
System 5 can be the part of two in Meter electronics and three or more gauge assemblies.
As explained more, first and second daughter board 100a, 100b include being configured to the coupling that communicates respectively
Close the adapter of Meter electronics 200 and be configured to be communicatively coupled to the end of first and second gauge assembly 10a, 10b
Mouthful.Although for the sake of clarity employing two different terms " adapter " and " port ", adapter and port are permissible
It is configured to same or different.Meter electronics 200 can be measured with first and second using adapter and port
Assembly 10a, 10b communicate.
Fig. 3 illustrates the block diagram of double vibrating sensor systems 5.As shown in Figure 3, double vibrating sensor systems 5 are included above
In first and second daughter board 100a, 100b described in reference diagram 2 and Meter electronics 200.As shown in Figure 3, measure electronics
Device 200 includes the processor 210 with memorizer 230 and user interface 250 communicative couplings.Processor 210 can pass through path
260 and main-machine communication.
As shown in Figure 3, first and second daughter board 100a, 100b include being configured to be communicatively coupled to metering electricity respectively
First and second adapter 110a, 110b of sub- device 200.First and second daughter board 100a, 100b respectively further comprise and are configured
Become first and second port 120a, 120b with first and second gauge assembly 10a, 10b communicative couplings.This first and second company
Meet device 110a, 110b and port 120a, 120b are communicatively coupled to first and second electronic device 130a, 130b.
As can be appreciated, first and second adapter 110a, 110b and port 120a, 120b be illustrated as with first and
Second electronic device 130a, 130b is physically separate.However, first and second adapter 110a, 110b and port 120a,
120b is still a part of first and second daughter board 100a, 100b.In alternative embodiments, the first and second adapter 110a,
110b and port 120a, 120b can be mechanical coupling to the circuit board (for example paste) in first and second daughter board 100a, 100b.
Although additionally, employing term " plate ", first and second daughter board 100a, 100b can be any shape, assembly, configuration etc.
Deng.For example, first and second daughter board 100a, 100b can be the stack assemblies of the daughter board with curved shape etc..Join below
Examine Fig. 4 and be more fully described first and second daughter board 100a, 100b.
Again referring to Fig. 3, Meter electronics 200 are communicatively coupled to the first and via first and second daughter board 100a, 100b
Second gauge assembly 10a, 10b.As described in earlier in respect of figures 1, first and second gauge assembly 10a, 10b include left and right and pick up
Take sensor 17al, 17ar and 17bl, 17br, drive mechanism 18a, 18b and temperature sensor 19a, 19b, they are via
One and second group of wire 11a, 11b be communicatively coupled to Meter electronics by the first and second communication channels 112a, 112b
200.
Meter electronics 200 control first and second drive signal 14a, the 14b providing via wire 11a, 11b.More
Specifically, Meter electronics 200 are configured to control the first drive mechanism 18a being supplied in the first gauge assembly 10a
First drive signal 14a.Meter electronics 200 are further configured to control be supplied in the second gauge assembly 10b second to drive
The second drive signal 14b of motivation structure 18b.Additionally, the first and second sensor signals 12a, 12b are counted by first and second respectively
Measure assembly 10a, 10b to provide.More specifically, in an illustrated embodiment, first sensor signal 12a is by the first gauge assembly
Left and right in 10a picks up sensor 17al, 17ar to provide.Second sensor signal 12b is by the second gauge assembly 10b
Left and right picks up sensor 17bl, 17br to provide.As it can be appreciated that, respectively pass through the first and second communication channels 112a,
112b provides the first and second sensor signals 12a, 12b to Meter electronics 200.
Meter electronics 200 include being communicatively coupled to the processor 210 of one or more memorizeies 230.Processor 210
It is also communicatively coupled to user interface 250.Processor 210 is coupled with main-machine communication by path 260 via COM1 140.Place
Reason device 210 can be microprocessor, but can adopt any suitable processor.For example, processor 210 can include sub- place
Reason device, such as polycaryon processor, communication port, peripheral interface (such as serial peripheral interface), on-chip memory, i/o end
Mouthful, etc..In these and other embodiment, processor 210 be configured to receive and treated signal (such as
Through digitized signal) execute operation.
Processor 210 can receive through digitized signal from first and second daughter board 100a, 100b.Processor 210
Offer information, property of fluid in such as difference, first or second gauge assembly 10a, 10b etc. are provided.Process
Device 210 can provide information by COM1 140 to main frame.Processor 210 can be configured to deposit with one or more
Reservoir 230 communicates so that receive information and/or store information in one or more memorizeies 230.
One or more memorizeies 230 can include read only memory (rom), random access memory (ram), Yi Jitie
Electric random access memory (fram).However, in alternative embodiments, this one or more memorizer 230 can include more
Or less memorizer.Additionally or alternatively, one or more memorizeies 230 can include different types of memorizer (example
As volatibility, non-volatile etc.).For example, (such as erasable programmable is read-only for different types of nonvolatile memory
Memorizer (eprom) etc.) fram can be replaced to use.
As shown in Figure 3, two daughter boards 100a, 100b are communicatively coupled to Meter electronics 200 and first and second
Gauge assembly 10a, 10b.However, the only one in first and second daughter board 100a, 100b needs to be used.For example, (for example to
Client) provide the Meter electronics 200 only with the first daughter board 100a and the first gauge assembly 10a to be probably favourable.This
The design of Meter electronics can be simplified.More specifically, the Meter electronics 200 with the first daughter board 100a can be replaced
It is only configured to be communicatively coupled to the Meter electronics of single metering assembly.However, same Meter electronics 200 are acceptable
With first and second daughter board 100a, 100b and gauge assembly 10a, 10b communicative couplings.
In these and other embodiment, first and/or second daughter board 100a, 100b can be utilized to be capable of double
The configurability of vibrating sensor system 5.More specifically so that the first daughter board 100a and/or the first gauge assembly 10a can be with
Second daughter board 100b and/or the second gauge assembly 10b is interchangeable to be desirable to.Such configurability can also include automatically to
Meter electronics 200 and/or first and second daughter board 100a, 100b are configured to communicate with one another and measure with first and second
Assembly 10a, 10b communicate, discussed below illustrated.
Daughter board.
Fig. 4 illustrates first and second daughter board 100a, 100b according to an embodiment.First and second daughter board 100a,
100b is communicatively coupled to Meter electronics 200 via first and second adapter 110a, 110b.More specifically, processor 210
It is communicatively coupled to first and second daughter board 100a, 100b via first and second adapter 110a, 110b.Although in order to understand
See and be shown without, but before first and second daughter board 100a, 100b are communicatively coupled to via first and second port 120a, 120b
First and second gauge assembly 10a, 10b described in literary composition.
First and second daughter board 100a, 100b are shown to have first and second electronic device 130a, 130b, and they communicate
It is coupled to first and second gauge assembly 10a, 10b and Meter electronics 200.More specifically, the first and second pickup electricity
Road 136a, 136b are communicatively coupled to the first and second left and right pickup sensors in first and second gauge assembly 10a, 10b
17al, 17ar and 17bl, 17br.Similarly, first and second drive circuit 138a, 138b and first and second simulate number
Word (ad) circuit 134a, 134b are configured to the first and being communicatively coupled in first and second gauge assembly 10a, 10b respectively
Second drive mechanism 18a, 18b and temperature sensor 19a, 19b.As directed, first and second daughter board 100a, 100b via
Holding wire is communicated with Meter electronics 200.
Signal.
Meter electronics 200 and the first and second communication channel 112a, 112b communicative couplings.In shown embodiment
In, the first and second communication channels 112a, 112b include power (power), communication and control signal.It is grounded as first and second
Communication channel 112a, 112b provides return path.As can be appreciated, the first and second communication channels 112a, 112b difference
It is coupled to first and second daughter board 100a, 100b via first and second adapter 110a, 110b.
Power line provides power for first and second drive circuit 138a, 138b.Power line may be configured to offer to be made
The electric current that drive mechanism 18a, 18b drives.The numerical portion for first and second pick-up circuit 136a, 136b for the digital power provides
Power.The analog portion for ad circuit 134a, 134b and first and second pick-up circuit 136a, 136b for the simulated power provides work(
Rate.There is provided and may insure that the noise being associated with digital circuit does not affect first and second with the simulated power that digital power separates
Signal in the analog portion of pick-up circuit 136a, 136b.Numeral and simulated power can be including the first and second adapters
A part for the circuit of ground connection between 110a, 110b and first and second pick-up circuit 136a, 136b.
For communication, the first and second communication channels 112a, 112b include: communication bus (this communication as illustrated
Bus is serial peripheral interface (spi) bus), and first and second serial port sport0, sport1.Spi bus makes place
Reason device 210 and first and second ad circuit 134a, 134b and first and second memorizer 132a, 132b communicative couplings.Accordingly
Ground, processor 210 executes read/write operations using spi bus to first and second memorizer 132a, 132b.Similarly,
Processor 210 can be communicated with first and second ad circuit 134a, 134b for example to receive temperature data by spi bus.
With regard to first and second serial port sport0, sport1, it is possible to use serial communication is transmitting data.As institute
Show, serial communication is synchronized communication, but alternate embodiment can be led to including asynchronous serial using substituting communication means
Letter, parallel communicationss etc..As directed, when being adopted by the serial communication of first and second serial port sport0, sport1
Clock is as circuit control function (it is discussed in more detail) together with the other circuit controls in first and second daughter board 100a, 100b
Function processed.
For circuit control function, the first and second communication channels 112a, 112b also include analog/digital clock ad_clk
With pickup master clock mclk line.When analog/digital clock ad_clk can provide for first and second ad circuit 134a, 134b
Clock.Analog/digital clock ad_clk can be low jitter and high closely clock to reduce or to eliminate time order error.When picking up main
Clock mclk is provided to first and second pick-up circuit 136a, 136b.Pickup master clock mclk can be used to operate the first He
Digital circuit in second pick-up circuit 136a, 136b.
In order that with spi bus come transmission data, first and second ad line of chip select cs_ad0, cs_ad1 can by with
To select first and second ad circuit 134a, 134b for communication.It is permissible that data prepares ad_dataready0, ad_dataready1
It is used to triggering to interrupt, so that data can be read from ad circuit 134a, 134b.First and second pick-up circuits enable pickup
Pdn0, pickup pdn1, and the first and second transmission frame synchronization tfs0, tfs1 can be used to enable the first and second pickups electricity
Road 136a, 136b and from first and second pick-up circuit 136a, 136b transmission pickup sensor informations.For example, first and
Two pick-up circuits allow to pick up pdn0, pickup pdn1 is used to be respectively turned on the first and second pick-up circuit 136a,
136b.First and second transmission frame synchronization tfs0, tfs1 are used to make by first and second serial port sport0, sport1
Serial communication with first and second transmission synchronised clock tsclk0, tsclk1(such as first and second transmission synchronised clocks
The number of the data bit of each cycle of tsclk0, tsclk1) synchronous.Correspondingly, first and second memorizer 132a, 132b, ad
Circuit 134a, 134b, pick-up circuit 136a, 136b and drive circuit 138a, 138b can be used to receive, process and/or
There is provided signal (such as data or power signal), as described in more detail below.
Pick-up circuit.
First and second pick-up circuit 136a, 136b are configured to transmission and the first and second left and right pickup sensors
17al, 17ar information relevant with 17bl, 17br.In an illustrated embodiment, first and second pick-up circuit 136a, 136b quilt
Be configured to via first and second port 120a, 120b from first and second left and rights pick up sensor 17al, 17ar and 17bl,
17br receives sensor signal.First and second pick-up circuit 136a, 136b are further configured to using the first and second serial ends
Mouth sport0, sport1 are communicated with Meter electronics 200.
First and second pick-up circuit 136a, 136b can pick up sensor 17al, 17ar from the first and second left and rights
It is digitized with 17bl, 17br receipt signal and to it, and will via first and second serial port sport0, sport1
It is supplied to Meter electronics 200 through digitized signal.Can or can not be through digitized sensor signal
Processed before being provided to Meter electronics 200.For example, first and second pick-up circuit 136a, 136b can disregard
There is provided through digitized sensor signal to processor 210 in the case of example such as difference or mass flow rate.First and
Analogue signal can also be passed to first and second drive circuit 138a, 138b by two pick-up circuit 136a, 136b.
Drive circuit.
First and second drive circuit 138a, 138b are configured to the first and second drive mechanisms 18a, 18b(in order to clear
Chu Qijian is shown without) drive signal is provided.First and second drive circuit 138a, 138b can be from the first and second pickup electricity
Road 136a, 136b receive analogue signal and generate drive signal.In an illustrated embodiment, in the first and second daughter boards
Transmit analogue signal within 100a, 100b, but alternate embodiment can be using different communicators.Power line is to the first He
Second drive circuit 138a, 138b provides power, and earth lead provides grounding path.First and second drive circuit 138a,
138b can be correspondingly current source.
Ad circuit.
First and second ad circuit 134a, 134b are configured to connect from such as first and second temperature sensor 19a, 19b
Receive analogue signal.First and second ad circuit 134a, 134b receive analogue signal and to its digitized.Through digitized letter
Number it is supplied to Meter electronics 200 via spi bus, and more specifically processor 210.In an illustrated embodiment,
First and second ad circuit 134a, 134b can be 24 AD converters, but can adopt in alternative embodiments
With any suitable AD converter.First and second ad circuit 134a, 134b can also include for example adjusting circuit,
It is amplified, filters etc. to the analogue signal receiving.
Memorizer.
First and second memorizer 132a, 132b be configured to store respectively with first and second memorizer 132a, 132b
Corresponding data, such as ident value.For example, first and second memorizer 132a, 132b can include read only memory
(rom), random access memory (ram) and/or ferroelectric RAM (fram).10008 additionally or alternatively, first
Different types of memorizer (such as volatibility, non-volatile etc.) can be included with second memory 132a, 132b.For example,
Can be come using different types of nonvolatile memory (such as Erasable Programmable Read Only Memory EPROM (eprom) etc.)
Replace fram.
By using the first and second adapter 110a, 110b, port 120a, 120b and electronic device 130a, 130b,
First and second daughter board 100a, 100b can make first and second gauge assembly 10a, 10b be communicatively coupled to Meter electronics
200, as explained in more detail below.
Method.
Fig. 5 illustrates according to an embodiment for operating the method 500 of daughter board 100a, 100b.In step 510, side
Method 500 makes the first adapter be communicatively coupled to Meter electronics.Adapter can be the first adapter 110a and measure electricity
Sub- device can be the Meter electronics 200 hereinbefore describing with reference to Fig. 3 and Fig. 4.In step 520, method 500 makes port
Be communicatively coupled to gauge assembly, its can be above described in first and second gauge assembly one of 10a, 10b.
In step 510, method 500 can make adapter be communicatively coupled to meter using both machinery and/or electric device
Amount electronic device.For example, adapter can be that four electric wires are physically coupled to the spi bus constituting in Meter electronics
The spi compatible connector of four lines.However, it is possible to adopt any suitable machinery in alternative embodiments.Electric device
Such as power, communication can be included and be used for the control signal communicating with each other by the first daughter board and Meter electronics.Ginseng
The first daughter board 100a described in literary composition and Meter electronics 200 before examination, power and clock can be believed by Meter electronics 200
Number it is supplied to the first electronic device 130a in the first daughter board 100a.
In step 520, port communication can be coupled to gauge assembly using machinery and/or electric device by method 500.
For example, port can include being configured in the multi-pin connector carrying signal between daughter board and gauge assembly.Electric device can
Pin in the port of the signal being provided by electronic device or gauge assembly is carried with inclusion.The first meter with reference to described in above
Amount assembly 10a and daughter board 100a, drive signal can be carried to the first meter from the first drive circuit 138a by first port 120a
Amount assembly 10a, sensor signal is carried to first pick-up circuit 136a etc. from the first gauge assembly 10a.
Therefore, the electronic device in daughter board (such as above described in first or second daughter board 100a, 100b in first
With second electronic device 130a, 130b) Meter electronics 200 and the first and/or second metering group can be communicatively coupled to
Part 10a, 10b.For example, first and second memorizer 132a, 132b can be communicatively coupled to the process in Meter electronics 200
Device 210, for example to provide calibration factor, gage zero etc. to processor 210.First and second ad circuit 134a, 134b
The processor 210 in Meter electronics 200 can also be communicatively coupled to, for example to provide temperature sensing to processor 210
Device signal.Similarly, first and second pick-up circuit 136a, 136b can be with processor 210 communicative couplings so as to processor
210 offer the first and second sensor signals 12a, 12b.Correspondingly, Meter electronics 200 or more specifically processor
210 can calculate fluid properties and/or control the first and second driving letters being supplied to first and second gauge assembly 10a, 10b
Number 14a, 14b.
Embodiment described above provide for Meter electronics 200 first and second daughter board 100a, 100b and
The method operating first and second daughter board 100a, 100b.The first and second daughter boards can be adopted in double vibrating sensor systems 5
100a、100b.As hereinbefore explained, first and second daughter board 100a, 100b can be removably coupled to measure electronics
Device 200.Therefore, Meter electronics 200 can be depending on the configuration of double vibrating sensor systems 5 and configurable.
Additionally, first and second daughter board 100a, 100b may be configured to identify the first and second gauge assembly 10a,
10b.For example, first and second daughter board 100a, 100b can include first and second electronic device 130a, 130b, and they are permissible
Mark is respectively coupled to first and second gauge assembly 10a, 10b of first and second daughter board 100a, 100b.In an embodiment
In, first and second electronic device 130a, 130b include storing the mark being associated with first and second gauge assembly 10a, 10b
First and second memorizer 132a, 132b(such as fram of value).
For example, in cryogenic applications (such as lng fuel systems), Meter electronics 200 can be arranged to locate
In the gauge assembly 10a in lng supply line and the second gauge assembly 10b being in the lng line of return.First gauge assembly
10a can be 1 inch of vibrating sensor type, and the second gauge assembly 10b can be 1/4 inch of vibrating sensor type.?
Such as at the Customer Location period of restructuring, by using the first daughter board 100a, the first gauge assembly 10a can be coupled to metering
Electronic device 200.By using the ident value in the first Meter electronics 130a, Meter electronics 200 can determine
One gauge assembly 10a is coupled to Meter electronics 200 with the first daughter board 100a.Meter electronics 200 can be similarly
Determine, using the second daughter board 100b, the second gauge assembly 10b is coupled to Meter electronics 200.
The detailed description of above-described embodiment is not all embodiments within the scope of this description desired by inventor
Detailed description.In fact, it would be recognized by those skilled in the art that some elements of above-described embodiment can differently be combined
Or eliminate to create further embodiment, and such further embodiment falls within scope and the teaching of this description.Right
For those of ordinary skill in the art it will also be evident that, above-described embodiment can combine in whole or in part with create originally is retouching
Further embodiment within the scope stated and teaching.
Therefore, although being described herein specific embodiment for illustrative purposes, within the scope of this description
Various equivalent modifications are possible, as the technical staff in association area will be recognized that.Teaching provided herein is permissible
Be applied to the other daughter boards for Meter electronics, and not only arrive be described above and accompanying drawing shown in embodiment.
Therefore, the scope of embodiment described above should be determined by claim below.
Claims (10)
1. a kind of daughter board (100a, 100b) for Meter electronics (200), this daughter board (100a, 100b) includes:
It is configured to be communicatively coupled to the adapter (110a, 110b) of Meter electronics (200)；And
It is configured to be communicatively coupled to the port (120a, 120b) of gauge assembly (10a, 10b).
2. daughter board (100a, 100b) according to claim 1, also include being communicatively coupled to adapter (110a, 110b) and
The electronic device (130a, 130b) of at least one of port (120a, 120b).
3. daughter board (100a, 100b) according to claim 2, wherein said electronic device (130a, 130b) includes communication
It is coupled to the memorizer (132a, 132b) of adapter (110a, 110b).
4. the daughter board according to one of claim 2 or claim 3 (100a, 100b), wherein said electronic device
(130a, 130b) includes being communicatively coupled to the simulation of at least one of adapter (110a, 110b) and port (120a, 120b)
To digital circuit (134a, 134b).
5. the daughter board according to one of claim 2 or claim 3 (100a, 100b), wherein said electronic device
(130a, 130b) includes being communicatively coupled to the pickup of at least one of adapter (110a, 110b) and port (120a, 120b)
Circuit (136a, 136b).
6. the daughter board according to one of claim 2 or claim 3 (100a, 100b), wherein said electronic device
(130a, 130b) includes being communicatively coupled to the driving of at least one of adapter (110a, 110b) and port (120a, 120b)
Circuit (138a, 138b).
7. the daughter board according to one of claim 2 or claim 3 (100a, 100b), wherein said electronic device
(130a, 130b) is configured to communicate with the processor (210) in Meter electronics (200).
8. the daughter board according to one of claim 2 or claim 3 (100a, 100b), wherein said electronic device
(130a, 130b) is configured to lead to Meter electronics (200) via communication bus and serial port (sport0, sport1)
Letter.
9. daughter board (100a, 100b) according to claim 8, wherein said communication bus is spi bus.
10. a kind of pair of vibrating sensor system (5), comprising:
It is communicatively coupled to the daughter board (100a, 100b) of gauge assembly (10a, 10b)；And
It is communicatively coupled to the Meter electronics (200) of daughter board (100a, 100b)；
Wherein said Meter electronics (200) are configured to lead to gauge assembly (10a, 10b) via daughter board (100a, 100b)
Letter.
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| CN201620144713.XU CN205919862U (en) | 2016-02-26 | 2016-02-26 | A daughter board and two vibration sensor systems for measuring electron device |
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| CN201620144713.XU CN205919862U (en) | 2016-02-26 | 2016-02-26 | A daughter board and two vibration sensor systems for measuring electron device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131920A (en) * | 2016-02-26 | 2017-09-05 | 高准公司 | Daughter board for Meter electronics |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131920A (en) * | 2016-02-26 | 2017-09-05 | 高准公司 | Daughter board for Meter electronics |
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