CN203216665U - Intelligent precision digital pressure gage - Google Patents
Intelligent precision digital pressure gage Download PDFInfo
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- CN203216665U CN203216665U CN 201320103477 CN201320103477U CN203216665U CN 203216665 U CN203216665 U CN 203216665U CN 201320103477 CN201320103477 CN 201320103477 CN 201320103477 U CN201320103477 U CN 201320103477U CN 203216665 U CN203216665 U CN 203216665U
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- pressure transducer
- digital pressure
- pressure
- mini
- control circuit
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Abstract
The utility model discloses an intelligent precision digital pressure gage comprising a shell body, wherein the lower end of the shell body is connected with a pressure sensor fixing member. Press keys, a liquid crystal display screen, a control circuit, and a battery assembling box are orderly mounted in the shell body from front to back. The control circuit comprises a power source management module, a display drive module, a mini-sized processor, an internal storage unit, a signal amplification and adjustment unit, and a serial interface. The intelligent precision digital pressure gage is characterized in that a high-precision pressure sensor is adopted, the pressure sensor outputs electric signals corresponding to received pressure, and the electric signals are transmitted to the signal amplification and adjustment unit; and after being adjusted, amplified and stabilized, the electric signals are transmitted to the mini-sized processor and then are processed. The mini-sized processor performs data calculation and analysis operation according to user requirement, and a result of the data calculation and analysis operation is sent to the liquid crystal display screen and therefore is displayed. The intelligent precision digital pressure gage is characterized in that an ultra-low power consumption mini-sized processor is adopted; the ultra-low power consumption mini-sized processor is capable of quick data processing and storing operation, peak and valley value selection, alarm arrangement, and the like; and therefore power consumption is reduced, and monitoring precision is improved.
Description
Technical field
The utility model relates to instrument field, particularly in the pressure monitoring technology, and a kind of high-accuracy, super low-power consumption, the intelligent precise digital pressure gauge with Based Intelligent Control functions such as storage and instant data processing.
Background technology
At present, in using on-the-spot pressure detection instrument industry, product a multitude of names comprises pointer pressure, digital pressure gauge, pressure unit and pressure gauge etc.Though they have practical characteristics separately, there is drawback in various degree.
Pointer pressure is subjected to its structural limitations, and resolution is not high, and visibility is poor, and error range is big, and shock-sensitive.
Digital pressure gauge, universal functionality is single, and power consumption is bigger, and wherein the pressure transducer temperature influence is big, often causes distorted signals.
Pressure unit needs peripheral hardware to cooperate, and as secondary Displaying Meter or computer control system, and still there are problems such as accuracy of detection is low in existing product.
Digital pressure gauge, volume is big, and is expensive, and power consumption is big, is used for the field calibration of high precision pressure monitoring and pressure unit more, can not be used for the digitizing continuous detecting.
So, the user must buy the various environment of complicated product adaptation, understands redundant operation instructions, inefficiency, and it is heavy to work.Still do not have and a kind ofly both possessed low in energy consumptionly, possess the precision pressure detectability again, avoid temperature effect, continuous detecting and the intelligent precise digital pressure gauge with functions such as storage and instant data processing.
Summary of the invention
The purpose of this utility model be for overcome existing pressure detection instrument performance not comprehensively, problems such as big, the function singleness of power consumption, provide a kind of and possess that precision pressure detects, temperature applicable range is wide, low in energy consumption, the intelligent digital tensimeter of characteristics such as continuous detecting and storage data.
The technical solution of the utility model is, a kind of intelligent precise digital pressure gauge comprises housing (1), and described housing lower end links to each other with pressure transducer firmware (5), described housing (1) front mounts facial mask (2), and described housing (1) inside is equipped with control circuit (3) and battery assembling box (4).Described control circuit (3) is gone up button (9) and LCDs (10) is installed.Described button (9) passes described facial mask (2) for user's observation and use with LCDs (10).
Described pressure transducer firmware (5) inside, connect hold-down ring (8) by screw thread compaction pressure sensor (6) upper end, in described pressure transducer (6) depression O RunddichtringO (7) is installed, described O RunddichtringO (7) is finally closely contacted with pressure transducer firmware (5) inwall.
Described control circuit (3) comprises power management module (33), driver module (32), and microprocessor (35), internal storage unit (34), signal amplifies and adjustment unit (36), serial line interface (31).
The electric pressure signal of described pressure transducer (6) output is transferred to signal amplifies and adjustment unit (36), and after its adjustment, amplification, the stable processing, 16 A/D that continue to flow in the microprocessor (35) handle.
Described button (9) provides the user to operate: Switching Power Supply, function adjustment, function are determined; The signal that button (9) triggers is sent to microprocessor (35) and handles.
Good effect of the present utility model is as follows: adopt the high precision sputtered thin film pressure transducer, have good hysteresis, stability, precise and stable electric pressure signal is provided; Employing has the microprocessor of super low-power consumption, can the fast processing data also store, and chooses peak-to-valley value, and warning etc. is set.It reduces power consumption to greatest extent, improves monitoring accuracy.
Description of drawings
Fig. 1 is the structural representation of the utility model intelligent precise digital pressure gauge.
Fig. 2 is the utility model control circuit and associated external device synoptic diagram.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, present embodiment comprises: housing (1), described housing (1) lower end links to each other with pressure transducer firmware (5).Described pressure transducer firmware (5) inside, connect hold-down ring (8) by screw thread compaction pressure sensor (6) upper end, in described pressure transducer (6) depression O RunddichtringO (7) is installed, described O RunddichtringO (7) is finally closely contacted with pressure transducer firmware (5) inwall, prevent pressure leakages.Described housing (1) front mounts facial mask (2).Described housing (1) inside is equipped with control circuit (3) and battery assembling box (4).Button (9) is installed in the bottom of described control circuit (3), and described button (9) sees through described facial mask (2) and forms outside convex, is user-friendly for button operation.In the described battery carrying case (4) battery is installed.
LCDs (10) is installed on the top of described control circuit (3).Described LCDs (10) is passed described facial mask (2) and is carried out information observation for the user.
As shown in Figure 2, control circuit (3) comprises power management module (33), driver module (32), and microprocessor (35), internal storage unit (34), signal amplifies and adjustment unit (36), serial line interface (31).
In the described battery carrying case (4) battery is installed, carries voltage by button (9) to power management module (33).Voltage provides power supply to driver module (32), microprocessor (35), internal storage unit (34), signal amplification with adjustment unit (36), serial line interface (31) after adjusting, stablize via described power management module (33).The power supply that described pressure transducer (6) is provided by microprocessor (35) encourages down, its the output electric signal corresponding with pressure, this electric signal is transferred to signal and amplifies and adjustment unit (36), after its adjustment, amplification, stablizing, 16 A/D that continue to flow in the microprocessor (35) handle.Microprocessor (35) can carry out the data computation analysis according to user's request, drives driver module (32) again, and Calculation results is delivered to LCDs (10) and shown, LCDs (10) is powered by driver module (32).The user carries out following operation by button (9): Switching Power Supply, function adjustment, function are determined.Described microprocessor (35) can arrange according to the user, with different frequency electric pressure signal is gathered and is stored.Serial line interface (31) is used for host computer and microprocessor (35) communication and Long-distance Control.
The sensor of present embodiment adopts the high precision sputtered thin film pressure transducer, and this sensor has good hysteresis, stability, and precise and stable electric pressure signal is provided.
The fitting operation concrete course of work of the present utility model is: be example to use the utility model intelligent precise digital pressure gauge monitoring pressure, with sensor Connection Element of the present utility model by on the gauge stand that is threaded onto detected system, operation control panel, open the utility model, to system's pressurization running, the utility model can show the pressure that detected system is subjected in real time in LCDs, handle, analyze, calculate, preserve data if desired, the corresponding control panel of operation gets final product, monitoring finishes, and closes the utility model.
The technical solution of the utility model has following beneficial effect: adopt the high precision sputtered thin film pressure transducer, have good hysteresis, stability, precise and stable electric pressure signal is provided; Moreover adopt the microprocessor with super low-power consumption, and can the fast processing data also store, choose peak-to-valley value, warning etc. is set, energy-conservation so to greatest extent, improve monitoring accuracy, the prevention potential safety hazard.
The above only is preferred implementation of the present utility model; rather than to the restriction of technical solutions of the utility model; for those skilled in the art; under the situation that does not break away from the utility model know-why; some adjustment, the equivalent variations made, these adjustment and distortion also should be considered as protection domain of the present utility model.
Claims (6)
1. intelligent precise digital pressure gauge, it is characterized in that: comprise housing, described housing lower end links to each other with the pressure transducer firmware; Described housing front mounts facial mask; Control circuit and battery assembling box is installed in the described housing; Button and LCDs are installed on the described control circuit; Described button and LCDs are passed described facial mask for user's observation and use.
2. intelligent precise digital pressure gauge according to claim 1, it is characterized in that: described pressure transducer firmware inside, connect hold-down ring by screw thread compaction pressure sensor upper end, in the described pressure transducer depression O RunddichtringO is installed, the O RunddichtringO is finally closely contacted with pressure transducer firmware inwall.
3. intelligent precise digital pressure gauge according to claim 1, it is characterized in that: described control circuit comprises power management module, driver module, button, microprocessor, LCDs, internal storage unit, signal amplifies and adjustment unit, serial line interface.
4. intelligent precise digital pressure gauge according to claim 1 is characterized in that: described pressure transducer adopt have good hysteresis, the high precision sputtered thin film pressure transducer of stability.
5. as intelligent precise digital pressure gauge as described in the claim 3, it is characterized in that: the electric pressure signal of described pressure transducer output is transferred to signal and amplifies and adjustment unit, after its adjustment, amplification, the stable processing, 16 A/D that continue to flow in the microprocessor handle.
6. as intelligent precise digital pressure gauge as described in the claim 3, it is characterized in that: described button provides the user to operate: Switching Power Supply, function adjustment, function are determined; The button trigger pip is sent to microprocessor and handles.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320103477 CN203216665U (en) | 2013-03-07 | 2013-03-07 | Intelligent precision digital pressure gage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320103477 CN203216665U (en) | 2013-03-07 | 2013-03-07 | Intelligent precision digital pressure gage |
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CN203216665U true CN203216665U (en) | 2013-09-25 |
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CN 201320103477 Expired - Fee Related CN203216665U (en) | 2013-03-07 | 2013-03-07 | Intelligent precision digital pressure gage |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107271100A (en) * | 2016-04-08 | 2017-10-20 | 深圳视联智能科技有限公司 | Intelligent manometer with Quick Response Code display function |
CN107505084A (en) * | 2017-09-25 | 2017-12-22 | 无锡市凯丰压力表有限公司 | A kind of accurate nitrogen pressure table |
CN110726507A (en) * | 2019-10-24 | 2020-01-24 | 徐州科恒奥制冷设备有限公司 | Low-pressure alarm device for process gas |
-
2013
- 2013-03-07 CN CN 201320103477 patent/CN203216665U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107271100A (en) * | 2016-04-08 | 2017-10-20 | 深圳视联智能科技有限公司 | Intelligent manometer with Quick Response Code display function |
CN107505084A (en) * | 2017-09-25 | 2017-12-22 | 无锡市凯丰压力表有限公司 | A kind of accurate nitrogen pressure table |
CN110726507A (en) * | 2019-10-24 | 2020-01-24 | 徐州科恒奥制冷设备有限公司 | Low-pressure alarm device for process gas |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20170307 |
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CF01 | Termination of patent right due to non-payment of annual fee |