CN203964972U - Transmitter - Google Patents
Transmitter Download PDFInfo
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- CN203964972U CN203964972U CN201420347335.6U CN201420347335U CN203964972U CN 203964972 U CN203964972 U CN 203964972U CN 201420347335 U CN201420347335 U CN 201420347335U CN 203964972 U CN203964972 U CN 203964972U
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- 238000004891 communication Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The application provides a kind of transmitter for coriolis flowmeter.This transmitter comprises: sensor, for based on vibrating flow pipe is carried out sensing and generates sensor signal; Treatment circuit, for based on sensor signal generating output signal; It is characterized in that, this transmitter also comprises: dismountable output circuit, in the situation that output circuit is installed on this transmitter, output circuit is exported output signal.
Description
Technical field
The utility model relates to a kind of transmitter.
Background technology
Transmitter for coriolis flowmeter is the sensor signal being obtained by sensor sense vibrations flowtube to be changed into the instrument of follow-up applicable signal.This kind of transmitter generally includes display the signal after transmitter changes shown.Except the display that the signal to after transmitter changes shows, sometimes also need the signal after transmitter changes to export the output circuit of (for example this signal being outputed to master control room or host computer), thereby this signal application is controlled in other.But this output is not essential, if user only wishes to be observed this signal and do not needed to utilize this signal to carry out other control by the display on transmitter, do not need this signal to export.
Yet in existing transmitter, output circuit is fixedly mounted on transmitter conventionally, thereby user can not select flexibly to the output of transmitter, and may cause unnecessary energy resource consumption.
Utility model content
Consider the problems referred to above, the purpose of this utility model is to provide a kind of transmitter for coriolis flowmeter, thereby user can select flexibly to the output of transmitter.
An aspect of the present utility model provides a kind of transmitter for coriolis flowmeter, and this transmitter comprises: sensor, for based on vibrating flow pipe is carried out sensing and generates sensor signal; And treatment circuit, for based on sensor signal generating output signal.Wherein, this transmitter also comprises: dismountable output circuit, in the situation that output circuit is installed on this transmitter, output circuit is exported output signal.
According to an embodiment, above-mentioned output circuit is at least one in serial signal output circuit, milliampere current signal output circuit and frequency signal output circuit, serial signal output circuit is for exporting output signal with the form of serial signal, milliampere current signal output circuit is for the form of milliampere current signal, output signal being exported, and frequency signal output circuit is for exporting output signal with the form of frequency signal.
According to another embodiment, in the situation that output circuit is installed on transmitter, output circuit is connected with treatment circuit by connector.
According to another embodiment, stating serial signal output circuit is RS485 serial communication circuit.
Application the utility model, user can select flexibly to the output of transmitter, and can avoid unnecessary energy resource consumption.
Accompanying drawing explanation
With reference to the explanation to embodiment of the present utility model below in conjunction with accompanying drawing, can understand more easily above and other objects, features and advantages of the present utility model.In the accompanying drawings, identical or corresponding technical characterictic or parts will adopt identical or corresponding Reference numeral to represent.Needn't go out according to scale size and the relative position of unit in the accompanying drawings.
Fig. 1 is the block diagram schematically showing according to the structure of the transmitter of the utility model embodiment.
Fig. 2 is the block diagram illustrating according to the structure of the signal output apparatus of the utility model embodiment example.
Fig. 3 is the block diagram illustrating according to the structure of the transmitter of the utility model embodiment concrete example.
Fig. 4 schematically illustratedly becomes the schematic flow sheet of the method for sending according to the application's embodiment in transmitter to sensor signal.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.It should be noted that for purposes of clarity, in accompanying drawing and explanation, omitted and the utility model expression and description irrelevant, parts well known by persons skilled in the art and processing.
Fig. 1 is the block diagram schematically showing according to the structure of the transmitter 100 of the utility model embodiment.
As shown in fig. 1, transmitter 100 comprises: sample circuit 101, treatment circuit 102, display circuit 103, output circuit 104 and sensor 105.Below each circuit is elaborated.
Sensor 105 is for based on vibrating flow pipe is carried out sensing and generates sensor signal.Sample circuit 101 is for the sensor signal obtaining by sensor 105 sensings is sampled, to obtain sampled signal.Sensor 105 can be the sensor of any type, such as liquid flow sensor of sensed flow etc.Treatment circuit 102 is for processing to obtain output signal to the sampled signal obtaining by sample circuit 101 samplings.Output signal is the signal of the desired standards such as the display circuit that reaches follow-up or controller.Display circuit 103 is for showing the output signal obtaining after processing by treatment circuit 102, and user can show to observe the signal that transmitter is exported by this.In embodiment of the present utility model, transmitter 100 is equipped with sample circuit 101, treatment circuit 102 and display circuit 103 (connecting with solid line in Fig. 1) regularly.
Different from sample circuit 101, treatment circuit 102 and output circuit 103, output circuit 104 is dismountable (dot in Fig. 1 output circuit 104 is installed to transmitter 100) for transmitter 100.In the situation that output circuit 104 is installed on transmitter 100, output circuit 104 is exported output signal.Because output circuit 104 is dismountable, so whether user can be for signal being exported neatly and selected.When needs output signal, user can be installed to output circuit 104 on transmitter 100, with output signal.Otherwise user can disassemble output circuit 104 from transmitter 100.
Fig. 2 is the block diagram illustrating according to the structure of an example of the output circuit 104 of the utility model embodiment.Although the output circuit 104 shown in Fig. 2 is serial output circuit 1041, milliampere current output circuit 1042 and frequency output circuit 1043 threes, but according to actual needs, output circuit 104 can be also any one or any two in serial output circuit 1041, milliampere current output circuit 1042 and frequency output circuit 1043.Serial output circuit 1041 is exported output signal for the form with serial signal, and an example of serial output circuit 1041 is RS485 serial communication circuits.Milliampere current output circuit 1042 is for exporting output signal with the form of milliampere current signal.Frequency output circuit 1043 is exported output signal for the form with frequency signal.Serial output circuit 1041, milliampere current output circuit 1042 and frequency output circuit 1043 can be exported larger distance by output signal.
In above embodiment, sensor can be embedded in transmitter, thereby sensor and transmitter form integrated apparatus.Certainly, sensor also can be separated with transmitter, thereby sensor and transmitter form two independently devices.
In addition, in above embodiment, output circuit 104 can be modularized circuit, and serial output circuit 1041, milliampere current output circuit 1042 and frequency output circuit 1043 can be respectively modularized circuits.
By the present embodiment, user can select flexibly to the output of transmitter, and can avoid unnecessary energy resource consumption.
The following describes according to the transmitter of the utility model embodiment concrete example.Fig. 3 is the block diagram illustrating according to the structure of a concrete example of the transmitter 300 of the utility model embodiment.For outstanding content of the present utility model, the circuit irrelevant with emphasis of the present utility model is not shown in Fig. 3, such as the feed circuit etc. that power supply is provided for each circuit.Below this example is specifically described.
In this example, treatment circuit is realized by CPU (CPU (central processing unit)) 302 chips, and the model of cpu chip can be the BF533 of Analog Device company, can certainly use CPU or the DSP of other model.CPU302 processes to obtain output signal to the sampled signal obtaining by 301 pairs of sensor signal samplings of sample circuit, and CPU 302 can also control interlock circuits such as sample circuit 301, display circuits 303 in addition.303 pairs of output signals that obtain of display circuit show, for user, check, display circuit 303 can be the display of any type, for example LED (Liquid Crystal Displayer) display.
In this example, as shown in the frame being formed by dot-and-dash line in Fig. 3, output circuit 304 is serial output circuit 3041, milliampere current output circuit 3042 and milliampere configurable output circuit 3043 threes of frequency, and milliampere configurable output circuit 3043 of frequency is the circuit that can be configured to output milliampere current signal or output frequency signal.Milliampere current output circuit 3042 can also attach HART agreement.In addition, those skilled in the art will know that, by milliampere current output circuit 3042 and milliampere configurable output circuit 3043 of frequency are combined to configuration, can obtain a frequency output and a milliampere electric current output, two frequency outputs or two milliampere electric current outputs.Output circuit 304 is connected with connector.CPU 302 is connected by playing the photoelectrical coupler of buffer action with connector.
In the transmitter 300 of this example, sample circuit 301, CPU 302, display circuit 303, photoelectrical coupler and connector can be fixedly fitted in the mainboard (not shown) of transmitter.And output circuit 304 (that is, serial output circuit 3041, milliampere current output circuit 3042 and milliampere configurable output circuit 3043 of frequency) is dismountable (dotting dismountable connection in Fig. 3).Can on the mainboard of transmitter, reserve three slot (not shown)s and assemble output circuit 304.Serial output circuit 3041, milliampere current output circuit 3042 and milliampere configurable output circuit 3043 of frequency are all respectively modularized circuits.If user need to export the output signal of processing through CPU 302 at a distance, user can be by serial output circuit 3041, milliampere current output circuit 3042 and milliampere configurable output circuit 3043 of frequency are inserted in three slots reserved on mainboard, then through related software configuration, serial output circuit 3041, milliampere current output circuit 3042 and milliampere configurable output circuit 3043 of frequency just can be by connector by output signal with specific form (for example, with the form of serial signal, with the form of milliampere current signal or with the form of frequency signal) export at a distance.If user only wants checked output signal and do not needed in addition this output signal to be exported by display circuit 303, user can disassemble serial output circuit 3041, milliampere current output circuit 3042 and milliampere configurable output circuit 3043 of frequency from transmitter.Therefore,, by this example, user can select flexibly to output, and can avoid unnecessary energy resource consumption.
In addition, although in this example, output circuit 304 is serial output circuit 3041, milliampere current output circuit 3042 and milliampere configurable output circuit 3043 threes of frequency,, output circuit 304 can be configured as required, can be any one or several in this three.
Fig. 4 schematically illustratedly becomes the schematic flow sheet of the method for sending according to the application's embodiment in transmitter to sensor signal.This transmitter can be the described transmitter of each embodiment according to the application.
At step S401, the sensor signal obtaining is sampled, to obtain sampled signal by sensor sense vibrations flowtube.At step S402, sensor signal is processed with generating output signal, based on sensor signal, carry out generating output signal.
At step S403, determine whether output circuit is installed on transmitter.If output circuit is not installed on transmitter, at step S404, display circuit shows output signal, and then flow process finishes.If output circuit is installed on transmitter, at step S405, display circuit shows output signal, and output circuit exports output signal, and then flow process finishes.
Application becomes to sensor signal the method for sending according to embodiment's of the present utility model in transmitter, and user, so that output is selected flexibly, and can avoid unnecessary energy resource consumption.
In instructions above, with reference to specific embodiment, the utility model has been described.Yet those of ordinary skill in the art understands, under the prerequisite that does not depart from the scope of the present utility model limiting as claims, can carry out various modifications and change.
Claims (4)
1. for a transmitter for coriolis flowmeter, described transmitter comprises:
Sensor, for based on vibrating flow pipe is carried out sensing and generates sensor signal; And
Treatment circuit, for based on described sensor signal generating output signal;
It is characterized in that, described transmitter also comprises:
Dismountable output circuit, in the situation that described output circuit is installed on described transmitter, described output circuit is exported described output signal.
2. transmitter according to claim 1, wherein, described output circuit is at least one in serial signal output circuit, milliampere current signal output circuit and frequency signal output circuit, described serial signal output circuit is for exporting described output signal with the form of serial signal, described milliampere of current signal output circuit is for the form of milliampere current signal, described output signal being exported, and described frequency signal output circuit is for exporting described output signal with the form of frequency signal.
3. transmitter according to claim 1 and 2, wherein, in the situation that described output circuit is installed on described transmitter, described output circuit is connected with described treatment circuit by connector.
4. transmitter according to claim 2, wherein, described serial signal output circuit is RS485 serial communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347335.6U CN203964972U (en) | 2014-06-26 | 2014-06-26 | Transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347335.6U CN203964972U (en) | 2014-06-26 | 2014-06-26 | Transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203964972U true CN203964972U (en) | 2014-11-26 |
Family
ID=51925540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347335.6U Expired - Lifetime CN203964972U (en) | 2014-06-26 | 2014-06-26 | Transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203964972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203169A (en) * | 2014-06-26 | 2015-12-30 | 微动公司 | Transmitter and method for transmitting sensor signals in transmitter |
| CN106018173A (en) * | 2016-07-27 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Non-radioactive density measurement device |
-
2014
- 2014-06-26 CN CN201420347335.6U patent/CN203964972U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203169A (en) * | 2014-06-26 | 2015-12-30 | 微动公司 | Transmitter and method for transmitting sensor signals in transmitter |
| CN106018173A (en) * | 2016-07-27 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Non-radioactive density measurement device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |