CN202599598U - Digital display pressure detector - Google Patents
Digital display pressure detector Download PDFInfo
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- CN202599598U CN202599598U CN 201220227546 CN201220227546U CN202599598U CN 202599598 U CN202599598 U CN 202599598U CN 201220227546 CN201220227546 CN 201220227546 CN 201220227546 U CN201220227546 U CN 201220227546U CN 202599598 U CN202599598 U CN 202599598U
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- digital display
- master controller
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- output interface
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Abstract
The utility model relates to a digital display pressure detector. The digital display pressure detector comprises the following components: a sensor is connected with a main controller through an analog signal output interface, and the main controller is simultaneously connected with a switch signal output interface and further connected with a press key and a display screen. The main controller is connected with a power supply through leads. The main controller is connected with one end of a programming interface through leads, and the other end of the programming interface is connected with a stimulation downloader. A signal conditioner is connected between the main controller and the analog signal output interface and used for carrying out analog-digital conversion. The main controller is connected with a reset module. According to the digital display pressure detector, the main controller is taken as a core, the integrality of multiple functions is realized by collecting, processing, outputting and displaying the onsite liquid or a gas pressure signal, and furthermore, the intelligent characteristics of the device are embodied by the flexible configurations of the parameters and modes of the apparatus as well as the management to the output signal.
Description
Technical field
The utility model relates to a kind of digital display pressure-detecting device, and core is the simulating signal of sensor input is converted into digital signal, is converted into 4-20mA standard industry electric signal again.
Background technology
At present; Cross the control scene in industry such as pump and compressor, hydraulic pressure and pneumatic, machine-building and all need real-time monitoring liquid or gaseous tension parameter; Be converted into industrial standard switching signal or electric signal by pressure-detecting device; Be connected on the relevant device, be used for field apparatus is carried out real-time management, to guarantee the normal reliable safe operation of field apparatus.
Yet present stage most pressure apparatus, normally volume is big or import cost is high, can not be flexibly, most amount multiple spot, field apparatus is realized detecting manage in all directions.If use numerous manometers terminal at the scene, will certainly cause a large amount of wastes, also increased cost simultaneously.
Therefore designing a kind of new pressure apparatus flexibly, to replace the method for previous original device be feasible.
The utility model content
The purpose of the utility model is, a kind of digital display pressure-detecting device is provided, to overcome the above-mentioned shortcoming and defect of existing in prior technology.
The technical matters of the required solution of the utility model, can realize through following technical scheme:
A kind of digital display pressure-detecting device comprises: sensor is connected with master controller through analog signal output interface, and master controller connects the switching signal output interface simultaneously, and master controller also is connected with display with button.
Further, the digital display pressure-detecting device of the utility model can also have such characteristic: wherein, master controller is connected with power supply through lead.
Further, the digital display pressure-detecting device of the utility model can also have such characteristic: wherein, master controller is connected with an end of DLL through lead, and the other end of DLL is connected with the emulation downloader.
Further, the digital display pressure-detecting device of the utility model can also have such characteristic: wherein, be provided for analog-to-digital signal conditioner between master controller and the analog signal output interface.
Further, the digital display pressure-detecting device of the utility model can also have such characteristic: wherein, master controller is connected with reseting module.
The beneficial effect of the utility model:
Before the utility model life's work, get into menu, carry out relative parameters setting, comprise settings such as unit selection, switching mode selection, the setting of operating point range, data storage through two buttons.
Under the duty, pressure data shows through 4 charactrons on the one hand in real time; The output of double switch amount is provided on the other hand, and switching value is connected on the certain device, plays functions such as warning.
Moreover the current signal output of the industrial standard 4-20mA that this device is realized can be connected to other relevant devices, plays functions such as collection, adjusting, control.
In the use of this pressure apparatus, also can get into menu, carry out correlation parameter and set, revise.
Description of drawings
Fig. 1 is the block diagram of the utility model.
Reference numeral:
1, master controller; 2, button; 3, display; 4, switching signal output interface; 5, analog signal output interface; 6, sensor; 7, DLL; 8, reseting module; 9, lead; 10, power supply; And 11, signal conditioner.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.Should be understood that following examples only are used to the utility model is described but not the scope that is used to limit the utility model.
Embodiment
Fig. 1 is the block diagram of the utility model; As shown in Figure 1; A kind of digital display pressure-detecting device comprises: master controller 1, button 2, display 3, switching signal output interface 4, analog signal output interface 5, sensor 6, DLL 7, reseting module 8, power supply 10 and signal conditioner 11, each parts connect through lead 9.
As shown in Figure 1, master controller 1 adopts the Atmega16 single-chip microcomputer,
Master controller 1 also is connected with button 2, display 3, journey interface 7, reseting module 8 leads.Master controller 1 is connected with power supply 10 through lead 9.Power supply 10 is civil power or 10V battery.
Wherein, button 2 is two key designs.The high bright type LED charactron numeral that display 3 adopts shows that specifically can adopt 4 charactron circuit, full metal jacket, flexible small and exquisite design make this pressure apparatus can be used in various industrial occasions in addition.User-friendly menu makes the use of product convenient.Display 3 can 330 the bubble head of degree rotation can guarantee under different installation, to obtain the optimal viewing angle.
Sensor 6 adopts the ceramic thick film sensor to carry out pressure fluid or gaseous tension, and sensor 6 is connected with master controller 1 through analog signal output interface 5.Master controller 1 connects switching signal output interface 4 simultaneously.
Master controller 1 is connected with an end of DLL 7 through lead 9, and the other end of DLL 7 is connected with the emulation downloader.Reseting module 8 is connected on the reseting pin of master controller 1 through lead 9.
Be provided for analog-to-digital signal conditioner 11 between master controller 1 and the analog signal output interface 5.Signal conditioner 11 adopts the MAX1452 chip.
Digital signal input master controller 1 is handled on the one hand, and according to the setting of menu, through switching signal output interface 4 output double switch signals, switching signal is divided into two kinds of patterns: sluggish pattern and window scheme then.
On the other hand, master controller 1 is to signal conditioner 11 write commands, and imports the data after the processing into, like this, and after signal conditioner 11 is handled, to outside outputting standard industry 4-20mA current signal.Display 3 is connected with master controller 1, has realized the real-time demonstration of pressure data simultaneously.
In addition, through two buttons 2, also can realize flexible setting to parameter.
The method of application of the utility model:
Power supply 10 provides electric energy for whole digital display pressure-detecting device, comprises master controller 1, switching signal output interface 4, analog signal output interface 5, sensor 6 and DLL 7 etc.
This digital display pressure-detecting device carries out parameter setting and model selection by button to it before using, and use is:
Master controller 1 carries out data acquisition with certain cycle to pressure transducer, and the simulating signal of pressure transducer 6 inputs at first gets into MAX1452 signal conditioner 11 and handles, the digital signal input master controller 1 after the processing,
After in master controller 1, handling, export by double switch signal (switching signal output interface 4, analog signal output interface 5) on the one hand; On the other hand through control, by the current signal output of industrial standard 4-20mA to MAX1452 signal conditioner 11.
Simultaneously, the on-the-spot pressure data through master controller 1 is handled shows on group of four figures pipe synchronously.
This digital display pressure-detecting device adopts ceramic thick film sensor to carry out pressure survey, and signal converts switching signal and output of standard electric signal and demonstration to after by rear portion Atmega16 processor and processing circuit processes.
More than the embodiment of the utility model is illustrated, but the utility model is as limit, only otherwise break away from the aim of the utility model, the utility model can also have various variations.
Claims (5)
1. a digital display pressure-detecting device is characterized in that, comprising:
Sensor (6) is connected with master controller (1) through analog signal output interface (5), and said master controller (1) connects switching signal output interface (4) simultaneously, and said master controller (1) also is connected with display (3) with button (2).
2. digital display pressure-detecting device according to claim 1 is characterized in that: said master controller (1) is connected with power supply (10) through lead (9).
3. digital display pressure-detecting device according to claim 1 is characterized in that: said master controller (1) is connected with an end of said DLL (7) through lead (9), and the other end of said DLL (7) is connected with the emulation downloader.
4. digital display pressure-detecting device according to claim 1 is characterized in that: be provided for analog-to-digital signal conditioner (11) between said master controller (1) and the said analog signal output interface (5).
5. digital display pressure-detecting device according to claim 1 is characterized in that: said master controller (1) is connected with reseting module (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220227546 CN202599598U (en) | 2012-05-17 | 2012-05-17 | Digital display pressure detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220227546 CN202599598U (en) | 2012-05-17 | 2012-05-17 | Digital display pressure detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599598U true CN202599598U (en) | 2012-12-12 |
Family
ID=47317127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220227546 Expired - Fee Related CN202599598U (en) | 2012-05-17 | 2012-05-17 | Digital display pressure detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202599598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489898A (en) * | 2018-12-20 | 2019-03-19 | 中国电子科技集团公司第四十八研究所 | A kind of pressure-measuring system and measurement method |
-
2012
- 2012-05-17 CN CN 201220227546 patent/CN202599598U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489898A (en) * | 2018-12-20 | 2019-03-19 | 中国电子科技集团公司第四十八研究所 | A kind of pressure-measuring system and measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20130517 |