CN219736653U - Capacitive differential pressure transmitter - Google Patents
Capacitive differential pressure transmitter Download PDFInfo
- Publication number
- CN219736653U CN219736653U CN202321265092.7U CN202321265092U CN219736653U CN 219736653 U CN219736653 U CN 219736653U CN 202321265092 U CN202321265092 U CN 202321265092U CN 219736653 U CN219736653 U CN 219736653U
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- usb interface
- pressure transmitter
- wireless transmission
- differential pressure
- transmission unit
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- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000012545 processing Methods 0.000 claims abstract description 16
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a capacitive differential pressure transmitter, which comprises a capacitive differential pressure transmitter body, wherein a cover shell is arranged on one side of the transmitter body, a display screen is fixedly embedded in the cover shell, a USB interface is arranged below the display screen, an adjusting key is arranged below the USB interface, and the display screen and the adjusting key are connected with a control chip in the transmitter body for data interaction; and still be connected with information transmission unit through the control chip in the transmitter body, information transmission unit with USB interface connection, through USB interface connection has wireless transmission device, wireless transmission device include with USB interface connection's control processing unit, control processing unit is connected with wireless transmission unit, through wireless transmission unit is connected with the monitor, the monitor include with wireless transmission unit wireless connection's server, the server is connected with the PC end, through wireless connection has intelligent terminal. The utility model has strong practicability.
Description
Technical Field
The utility model relates to the technical field of transmitters, in particular to a capacitive differential pressure transmitter.
Background
The capacitive pressure transmitter and capacitive absolute pressure transmitter operate on the same principle as a differential pressure transmitter, except that the low pressure chamber pressure is atmospheric or vacuum. The a/D converter of the capacitive pressure transmitter converts the current of the demodulator into a digital signal, the value of which is used by the microprocessor to determine the value of the input pressure. The microprocessor controls the operation of the transmitter. In addition, it performs sensor linearization. The measurement range is reset. Engineering unit conversion, damping, prescription, sensor fine adjustment and other operations, diagnosis and digital communication.
For example, the application with the application number of 202021636881.3' includes a capacitive pressure transmitter body, or a similar pressure transmitter device has an integrated wireless pressure monitoring information transmission function, but in the practical use process, because the pressure transmitter is installed in different environments, such as a wet environment, the wireless transmission function of the transmitter is easily affected, including wireless transmission information interruption, but under most monitoring applications, the transmitter cannot be immediately replaced, because the operation of an engineering or a device can enable the device to continuously operate for a plurality of days, the transmitter must not be replaced in the operation of the device of one day or even one month, only can only be operated with diseases, the monitored data of the device can not be timely transmitted to a monitoring end, and only can be manually patrolled, but the manual patrolling is time-consuming and labor-consuming, and the pressure data can not be obtained in real time.
Disclosure of Invention
The utility model aims to provide a capacitive differential pressure transmitter, which is characterized in that an information transmission unit is added on the basis of the existing capacitive pressure transmitter body, and a USB interface is arranged, so that when the wireless transmission function of the capacitive pressure transmitter body is influenced to cause information transmission interruption and the transmitter body cannot be replaced immediately, the control processing unit is connected through the reserved USB interface, and the 4GDTU connected with the control processing unit is used for temporarily transmitting data to a server of a monitoring end for information storage, so that the effect of temporarily supplementing and transmitting monitoring data is achieved.
The utility model is realized in the following way:
the capacitive differential pressure transmitter comprises a capacitive differential pressure transmitter body, wherein a cover shell is arranged on one side of the transmitter body, a display screen is fixedly embedded in the cover shell, a USB interface is arranged below the display screen, an adjusting key is arranged below the USB interface, and the display screen and the adjusting key are connected with a control chip in the transmitter body for data interaction;
and still be connected with information transmission unit through the control chip in the transmitter body, information transmission unit with USB interface connection, through USB interface connection has wireless transmission device, wireless transmission device include with USB interface connection's control processing unit, control processing unit is connected with wireless transmission unit, through wireless transmission unit is connected with the monitor terminal, the monitor terminal include with wireless transmission unit wireless connection's server, the server is connected with the PC end, through wireless connection there being intelligent terminal.
Further, the control processing unit adopts an 80C51 single chip microcomputer, and the wireless transmission unit adopts a 4GDTU. The 4GDTU adopts MGT571 type 4GDTU. The cover shell is rotatably connected with a cover plate through a rotating shaft.
Further, the intelligent terminal is a smart phone or a tablet personal computer, and the intelligent terminals are multiple. The intelligent terminal is convenient for workers to connect with the server for information inquiry and monitoring.
Compared with the prior art, the utility model has the beneficial effects that: by adding the information transmission unit on the basis of the existing capacitive pressure transmitter body and arranging the USB interface, when the wireless transmission function of the capacitive pressure transmitter body is affected to cause information transmission interruption and the transmitter body cannot be replaced immediately, the control processing unit is connected through the reserved USB interface, the 4GDTU connected with the control processing unit is used for temporarily transmitting data to a server of a monitoring end for information storage, the function of temporarily supplementing and transmitting monitoring data is achieved, and the capacitive pressure transmitter is convenient and quick to use, simple to operate and high in practicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the device of the present utility model;
FIG. 2 is a schematic diagram of the system architecture of the present utility model;
fig. 3 is a circuit diagram of a control processing unit of the present utility model;
the transmitter comprises a transmitter body 1, a transmitter connector 10, a cover shell 11, a cover plate 2, a display screen 12, a USB interface 13, an adjusting key 14, a rotating shaft 15 and a wireless transmission device 3.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a capacitive differential pressure transmitter includes a capacitive differential pressure transmitter body 1, a cover shell 11 is provided on one side of the transmitter body 1, a display screen 12 is fixedly embedded in the cover shell 11, a USB interface 13 is provided below the display screen 12, an adjustment key 14 is provided below the USB interface 13, and the display screen 12 and the adjustment key 14 are both connected with a control chip in the transmitter body 1 for data interaction;
and still be connected with information transmission unit through the control chip in the changer body 1, information transmission unit with USB interface 13 is connected, through USB interface 13 is connected with wireless transmission device, wireless transmission device include with USB interface connection's control processing unit, control processing unit is connected with wireless transmission unit, through wireless transmission unit is connected with the monitor, the monitor include with wireless transmission unit wireless connection's server, the server is connected with the PC end, through wireless connection intelligent terminal.
In this embodiment, the control processing unit adopts an 80C51 single-chip microcomputer, and the wireless transmission unit adopts a 4GDTU. The 4GDTU adopts MGT571 type 4GDTU. The cover shell is rotatably connected with a cover plate through a rotating shaft.
The intelligent terminals are intelligent mobile phones or tablet personal computers, and the intelligent terminals are multiple. The intelligent terminal is convenient for workers to connect with the server for information inquiry and monitoring.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A capacitive differential pressure transmitter, characterized by: the capacitive differential pressure transmitter comprises a capacitive differential pressure transmitter body (1), wherein a cover shell (11) is arranged on one side of the transmitter body (1), a display screen (12) is fixedly embedded in the cover shell (11), a USB interface (13) is arranged below the display screen (12), an adjusting key (14) is arranged below the USB interface, and the display screen (12) and the adjusting key (14) are connected with a control chip in the transmitter body (1) for data interaction;
and still be connected with information transmission unit through the control chip in the transmitter body, information transmission unit with USB interface connection, through USB interface connection has wireless transmission device, wireless transmission device include with USB interface connection's control processing unit, control processing unit is connected with wireless transmission unit, through wireless transmission unit is connected with the monitor terminal, the monitor terminal include with wireless transmission unit wireless connection's server, the server is connected with the PC end, through wireless connection there being intelligent terminal.
2. The capacitive differential pressure transmitter of claim 1, wherein the control processing unit employs an 80C51 single-chip microcomputer, and the wireless transmission unit employs a 4GDTU.
3. The capacitive differential pressure transmitter of claim 2, wherein the 4GDTU is a type MGT571 4GDTU.
4. The capacitive differential pressure transmitter according to claim 1, characterized in that the cover shell (11) is rotatably connected with the cover plate (2) through a rotating shaft (15).
5. The capacitive differential pressure transmitter of claim 1, wherein the intelligent terminal is a smart phone or a tablet computer, and the intelligent terminal is a plurality of intelligent terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321265092.7U CN219736653U (en) | 2023-05-24 | 2023-05-24 | Capacitive differential pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321265092.7U CN219736653U (en) | 2023-05-24 | 2023-05-24 | Capacitive differential pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219736653U true CN219736653U (en) | 2023-09-22 |
Family
ID=88054622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321265092.7U Active CN219736653U (en) | 2023-05-24 | 2023-05-24 | Capacitive differential pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219736653U (en) |
-
2023
- 2023-05-24 CN CN202321265092.7U patent/CN219736653U/en active Active
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