CN201662460U - Digital pressure gauge - Google Patents
Digital pressure gauge Download PDFInfo
- Publication number
- CN201662460U CN201662460U CN2010201572838U CN201020157283U CN201662460U CN 201662460 U CN201662460 U CN 201662460U CN 2010201572838 U CN2010201572838 U CN 2010201572838U CN 201020157283 U CN201020157283 U CN 201020157283U CN 201662460 U CN201662460 U CN 201662460U
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- sensor
- monitoring
- pressure gauge
- utility
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Abstract
The utility model discloses a digital pressure gauge, comprising a box body, a sensor connecting base is arranged at the bottom part of the box body, the sensor is fixed on the sensor connecting base by a sealing ring, the sensor connecting base is connected with a pressing ring by threads, the pressing ring presses the sensor, a control circuit is arranged in the box body, and the control circuit is connected with a liquid crystal display, a control panel and a layer grouping battery; in the utility model, the pressure sensor with high precision and good linearity degree is adopted, the digital pressure gauge has higher overloading impact capacity and is very suitable for pressure monitoring; in addition, a microprocessor is adopted as a core circuit, the monitoring accuracy is ensured by rapid data processing and analysis, the error is reduced to the maximum extent, so as to lay solid foundation for preventing safety accidents; in addition, the monitoring measures intellectualization and the monitoring result digitization are realized and the monitoring reliability is greatly improved.
Description
Technical field
The utility model relates to the hydraulic system pressure monitoring technical field, particularly a kind of digital pressure gauge.
Background technology
Working pressure is one of the most basic parameter of hydraulic system, and whether it normally affects the serviceability of hydraulic system to a great extent.The size that hydraulic system adopts tensimeter to come monitoring pressure, use the more pointer mechanical pressure gauge that has in the prior art, for some common hydraulic systems, mechanical pressure gauge can meet the demands, but for some pick-up units, the resolution of pointer pressure is not high, can not storing data automatically, and dial scale needs customization.
The utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model provides a kind of digital pressure gauge, with solve pointer pressure resolution of the prior art not high, can not storing data automatically, be not suitable for defectives such as pick-up unit.
(2) utility model content
For this reason, a kind of digital pressure gauge that the utility model provides comprises:
Casing (1), the bottom of described casing is provided with sensor Connection Block (4), sensor (3) is fixed on the described sensor Connection Block (4) by O-ring seal (6), described sensor Connection Block (4) is also by the hold-down ring that is threaded (5), described hold-down ring (5) jam sensor (3), also be provided with control circuit (2) in the described casing (1), described control circuit (2) is connected with LCDs (7), control panel (8) and collection layer battery (9).
Described control circuit (2) comprises microprocessor (21), amplifier (22), linear voltage regulator (23) and electronic switch (24), described microprocessor (21) is connected with linear voltage regulator (23) with amplifier (22), and described linear voltage regulator (23) is connected with described collection layer battery (9) by electronic switch (24).
(3) beneficial effect
The technical solution of the utility model has following beneficial effect: by adopting high precision, the pressure transducer with good linearity has higher overload impact ability, is fit to very much pressure monitoring; By adopting microprocessor,, guaranteed the degree of accuracy of monitoring on the other hand, reduced error to greatest extent, for the prevention security incident lays a solid foundation by data processing and analysis apace as core circuit; And make and monitoring means intellectuality, monitoring result digitizing improve monitoring reliability greatly.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model digital pressure gauge;
Fig. 2 is the utility model control circuit structural representation.
Wherein, 1: casing; 2: control circuit; 3: sensor; 4: the sensor Connection Block; 5: hold-down ring; 6: O-ring seal; 7: LCDs; 8: control panel; 9: collection layer battery; 21: microprocessor; 22: amplifier; 23: linear voltage regulator; 24: electronic switch.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, be the utility model digital pressure gauge cross-sectional view, present embodiment comprises: casing 1 is arranged on the control circuit 2 of casing 1 inside, sensor 3, sensor Connection Block 4, hold-down ring 5, O-ring seal 6, LCDs 7, control panel 8 and collection layer battery 9.Wherein sensor Connection Block 4 is arranged at the bottom of casing 1, and sensor 3 is fixed on the sensor Connection Block 4 by the O-ring seal 6 of O type, and sensor Connection Block 4 is also by the hold-down ring 5 that is threaded, hold-down ring 5 jam sensors 3; Control circuit 2 is connected with LCDs 7, control panel 8 and collection layer battery 9.
The sensor of present embodiment adopts high-precision pressure sensor, and this sensor has good linearty, and higher overload impact ability is arranged, and is very suitable for pressure monitoring.
As shown in Figure 2, be the utility model control circuit structural representation, the control circuit of present embodiment comprises microprocessor 21, amplifier 22, linear voltage regulator 23 and electronic switch 24.
Wherein microprocessor 21 is connected with linear voltage regulator 23 with amplifier 22, linear voltage regulator 23 is connected with electronic switch 24, electronic switch 24 is connected with collection layer battery 9, and the voltage that linear voltage regulator 23 will collect layer battery 9 carries out giving after voltage stabilizing is handled sensor 3, microprocessor 21, electronic switch 24, LCDs 7 power supplies.Amplifier 22 is connected with sensor 3, be used for the pressure signal that sensor 3 records is amplified and analog-to-digital conversion process, and the value after will handling is passed to LCDs 7 and shown.Control circuit 2 also with LCDs 7, control panel 8 is connected.Control panel 8 is used to carry out function setting and operation.
The core circuit of present embodiment adopts microprocessor, by microprocessor the data that record is handled fast and is analyzed, and has guaranteed the degree of accuracy of monitoring, has reduced error to greatest extent, for the prevention security incident lays a solid foundation; And, make and monitoring means intellectuality, monitoring result digitizing have improved monitoring reliability greatly owing to adopted microprocessor.
The concrete course of work of the present utility model is: be example to use the utility model digital pressure gauge monitoring hydraulic system pressure, with sensor Connection Block of the present utility model by on the gauge stand that is threaded onto hydraulic system, operation control panel, make digital pressure gauge start working, exert pressure to hydraulic system, LCDs demonstrates the pressure that hydraulic system is subjected in real time, preserve data if desired, can preserve data automatically by operation control panel, monitoring end operation control panel is closed digital pressure gauge.
The technical solution of the utility model has following beneficial effect: by adopting high precision, the pressure transducer with good linearity has higher overload impact ability, is fit to very much pressure monitoring; By adopting microprocessor,, guaranteed the degree of accuracy of monitoring on the other hand, reduced error to greatest extent, for the prevention security incident lays a solid foundation by data processing and analysis apace as core circuit; And make and monitoring means intellectuality, monitoring result digitizing improve monitoring reliability greatly; And the utility model is easy for installation.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (2)
1. a digital pressure gauge is characterized in that, comprising:
Casing (1), the bottom of described casing is provided with sensor Connection Block (4), sensor (3) is fixed on the described sensor Connection Block (4) by O-ring seal (6), described sensor Connection Block (4) is also by the hold-down ring that is threaded (5), described hold-down ring (5) jam sensor (3), also be provided with control circuit (2) in the described casing (1), described control circuit (2) is connected with LCDs (7), control panel (8) and collection layer battery (9).
2. digital pressure gauge as claimed in claim 1, it is characterized in that, described control circuit (2) comprises microprocessor (21), amplifier (22), linear voltage regulator (23) and electronic switch (24), described microprocessor (21) is connected with linear voltage regulator (23) with amplifier (22), and described linear voltage regulator (23) is connected with described collection layer battery (9) by electronic switch (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572838U CN201662460U (en) | 2010-04-12 | 2010-04-12 | Digital pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572838U CN201662460U (en) | 2010-04-12 | 2010-04-12 | Digital pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662460U true CN201662460U (en) | 2010-12-01 |
Family
ID=43232879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201572838U Expired - Fee Related CN201662460U (en) | 2010-04-12 | 2010-04-12 | Digital pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662460U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959188A (en) * | 2017-03-22 | 2017-07-18 | 中国科学院上海微系统与信息技术研究所 | A kind of self-powered pressure gauge and its self-powered pressure detection method |
| CN107642477A (en) * | 2017-10-31 | 2018-01-30 | 浙江威邦机电科技有限公司 | A kind of inflating pump of monitoring pressure in real time value |
-
2010
- 2010-04-12 CN CN2010201572838U patent/CN201662460U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959188A (en) * | 2017-03-22 | 2017-07-18 | 中国科学院上海微系统与信息技术研究所 | A kind of self-powered pressure gauge and its self-powered pressure detection method |
| CN106959188B (en) * | 2017-03-22 | 2020-03-13 | 上海伟梦物联网科技有限公司 | Self-powered pressure gauge and self-powered pressure detection method thereof |
| CN107642477A (en) * | 2017-10-31 | 2018-01-30 | 浙江威邦机电科技有限公司 | A kind of inflating pump of monitoring pressure in real time value |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20101201 Termination date: 20150412 |
|
| EXPY | Termination of patent right or utility model |