CN217331468U - Electronic multifunctional pressure gauge - Google Patents
Electronic multifunctional pressure gauge Download PDFInfo
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- CN217331468U CN217331468U CN202220822253.7U CN202220822253U CN217331468U CN 217331468 U CN217331468 U CN 217331468U CN 202220822253 U CN202220822253 U CN 202220822253U CN 217331468 U CN217331468 U CN 217331468U
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- control unit
- piezoresistive sensor
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- bending section
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Abstract
The utility model relates to a manometer field especially involves a multi-functional manometer of electronic type, including the shell, be provided with public luer joint, female luer joint, display screen on the shell, be provided with signal conditioning circuit and little the control unit in the shell, still be provided with in the shell and survey buret, survey buret one end and public luer joint connection, the other end and female luer joint connection still are provided with the piezoresistive sensor in the survey buret, piezoresistive sensor and signal conditioning circuit and little the control unit electric connection, little the control unit still with display screen electric connection. The utility model realizes electronic pressure measurement by arranging the piezoresistive sensor, the signal conditioning circuit, the micro control unit and other devices, and compared with a mechanical pointer type, the electronic pressure measurement is more accurate, and the error in degree measurement is avoided; and through the setting of first bending segment and second bending segment, reduced the impact of rivers and to piezoresistive sensor's interference, improved the degree of accuracy of piezoresistive sensor measuring data.
Description
Technical Field
The utility model relates to a manometer field especially involves a multi-functional manometer of electronic type.
Background
Traditional manometer is mostly mechanical pointer formula manometer, utilizes pressure variation to make the bourdon tube warp, and then pointer turned angle is through discernment panel calibrated scale numerical value interpretation pressure value, therefore the reading precision probably causes visual error because of the angle factor, causes the pressure to hang down or too high hidden danger. In addition, in various fields, the pressure holding time period needs to be timed. Different pressure units are required in different scenarios. Therefore, an electronic multifunctional pressure gauge is needed to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, provide a multi-functional manometer of electronic type, the utility model discloses a realize through following technical scheme:
the utility model provides a multi-functional manometer of electronic type, includes the shell, be provided with public luer joint, female luer joint, display screen on the shell, be provided with signal conditioning circuit and little the control unit in the shell, still be provided with in the shell and survey the buret, survey buret one end with public luer joint connects, the other end with female luer joint connects, still be provided with piezoresistive sensor in the survey buret, piezoresistive sensor with signal conditioning circuit with little the control unit electric connection, little the control unit still with display screen electric connection.
In the above technical scheme: the shell is used for accommodating the rest parts; the male luer connector and the female luer connector are used for being connected with a pipeline needing to measure pressure; the display is used for displaying the measured data; the signal processing unit is used for processing the electric signals from the piezoresistive sensors, converting the electric signals into digital signals and outputting the digital signals; the micro control circuit is used for receiving the digital signal sent by the signal processing unit, analyzing and judging the digital signal and finally outputting and displaying the digital signal to a display screen; the measuring tube is used for enabling liquid to flow through, so that the pressure in the measuring tube is consistent with the pressure in the pipeline to be measured; the piezoresistive sensor is used for sensing pressure and outputting an electric signal.
The utility model discloses a further set up to: survey buret includes first bending segment and second bending segment, first bending segment with the second bending segment all is trapezoidal, just first bending segment with the second bending segment is connected.
In the above technical scheme: the first bending section and the second bending section are arranged to slow down the inflow speed of liquid, so that the impact of water flow on the piezoresistive sensor is reduced.
The utility model discloses a further set up to: the inlet of the piezoresistive sensor is connected with the first bending section, and the outlet of the piezoresistive sensor is connected with the second bending section.
In the above technical scheme: because the liquid inlet and the liquid outlet of piezoresistive sensor are connected in first bending section and second bending section respectively for the impact of rivers reduces piezoresistive sensor's the measuring interference, thereby has improved piezoresistive sensor measuring accuracy.
The utility model discloses a further set up to: the shell is provided with a battery compartment, a battery is arranged in the battery compartment, and the battery is electrically connected with the signal conditioning circuit and the micro control unit.
In the above technical scheme: the battery compartment is used for placing a battery, and the battery is used for providing electric energy for the signal conditioning circuit, the micro control unit, the display and the like.
The utility model discloses a further set up to: the shell is also provided with a power switch which is electrically connected with the battery to control the communication and the cut-off of the circuit.
In the above technical scheme: switch is used for controlling the utility model discloses a user state.
The utility model discloses a further set up to: still be provided with first button on the shell, first button with little the control unit electric connection, just first button is used for controlling the beginning and the end of timing.
In the above technical scheme: the first button is used to control the start and end of the timekeeping.
The utility model discloses a further set up to: the shell is further provided with a second button, the second button is electrically connected with the micro control unit, and the second button is used for switching the data units displayed on the display screen.
In the above technical scheme: the second button is used to switch the display unit of the measured pressure data.
The utility model discloses a multi-functional manometer of electronic type compares with prior art:
1. the utility model realizes electronic pressure measurement by arranging the piezoresistive sensor, the signal conditioning circuit, the micro control unit and other devices, and compared with a mechanical pointer type, the electronic pressure measurement is more accurate, and the error in degree measurement is avoided;
2. the utility model discloses a setting of first bending segment and second bending segment has reduced the impact of rivers to the interference of piezoresistive sensor to the degree of accuracy of piezoresistive sensor measuring data has been improved.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a bottom view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings: 10-a housing; 101-a battery compartment; 20-male luer; 30-female luer fitting; 40-a display screen; 50-a signal conditioning circuit; 60-a micro control unit; 70-measuring tube; 701-a first bending section; 702-a second bend section; 80-piezoresistive sensors; 90-power switch; 110-a first button; 120-second button.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-3, the utility model provides a multi-functional manometer of electronic type, including shell 10, be provided with public luer connector 20, female luer connector 30, display screen 40 on shell 10, be provided with signal conditioning circuit 50 and little the control unit 60 in the shell 10, still be provided with in the shell 10 and survey buret 70, survey buret 70 one end with public luer connector 20 is connected, the other end with female luer connector 30 is connected, still be provided with piezoresistive sensor 80 in surveying buret 70, piezoresistive sensor 80 with signal conditioning circuit 50 with little the control unit 60 electric connection, little the control unit 60 still with display screen 40 electric connection. Wherein, the shell 10 is made of plastic material to reduce the whole weight of the utility model; the male luer connector 20 and the female luer connector 30 are respectively arranged on two opposite sides of the shell 10, and the male luer connector 20 and the female luer connector 30 are standard parts; the measuring tube 70 is made of hard PVC material; the signal conditioning circuit 50 and the micro control unit 60 may be disposed on the same circuit board, and the circuit board is fixed on the inner wall surface of the housing 10; the display screen 40 is fixedly arranged on the housing 10, preferably, an installation hole is arranged on the outer wall surface of the housing 10, the shape of the installation hole is consistent with that of the display screen 40, and the display screen 40 is fixedly arranged in the installation hole.
As shown in fig. 1-3, the utility model provides a multi-functional manometer of electronic type, survey buret 70 includes first bending section 701 and second bending section 702, first bending section 701 with second bending section 702 all is trapezoidal, just first bending section 701 with second bending section 702 connects. The first bending section 701 and the second bending section 702 have different bending directions.
As shown in fig. 1-3, the utility model provides a multi-functional manometer of electronic type, the inlet of piezoresistive sensor (80) is connected with first bending segment 701, the outlet of piezoresistive sensor 80 is connected wherein, preferably with second bending segment 702, first bending segment 701 and second bending segment 702 about piezoresistive sensor 80 central symmetry.
As shown in fig. 1-3, the utility model provides a multi-functional manometer of electronic type, be provided with battery compartment 101 on the shell 10, be provided with the battery in the battery compartment 101, the battery with signal conditioning circuit 50 with little the control unit 60 electric connection. Wherein, battery compartment 101 and shell 10 integrated into one piece, just be provided with in the battery compartment 101 and be used for circuit connection's components and parts, it is preferred, the battery compartment coats and is stamped the apron.
As shown in fig. 1-3, the utility model provides a multi-functional manometer of electronic type, still be provided with switch 90 on the shell 10, switch 90 with battery electric connection to control circuit's UNICOM and cutting off. The power switch 90 is disposed on a side surface of the housing 10, and a rib is disposed on a surface of the power switch 90 to increase a friction force of the power switch 90.
As shown in fig. 1-3, the utility model provides an electronic multifunctional pressure gauge, still be provided with first button 110 on the shell 10, first button 110 with little the control unit 60 electric connection, just first button 110 is used for controlling the beginning and the end of timing. The first button 110 is disposed below the display, and further, characters or marks are disposed on the housing 10 corresponding to the first button 110 to indicate the function of the first button 110.
As shown in fig. 1-3, the utility model provides a multi-functional manometer of electronic type, still be provided with second button 120 on the shell 10, second button 120 with little the control unit 60 electric connection, just second button 120 is used for switching the data unit that shows on the display screen 40. Wherein, the second button 120 is disposed below the display, and further, characters or marks are disposed on the housing 10 corresponding to the second button 120 to indicate the function of the second button 120.
The utility model discloses a theory of operation does:
a) respectively connecting a male luer connector and a female luer connector with two ends of a pipeline to be measured;
b) shifting a power switch to turn on an electrical appliance element;
c) the liquid flows into the measuring tube, so that the pressure applied to the piezoresistive sensor is changed, and an electric signal is sent out;
d) the electric signal is processed by the signal conditioning unit and is sent to the micro control unit;
e) pressing a first button to start measurement;
f) the micro control unit analyzes the information sent by the signal conditioning unit and then outputs a measurement value to the display screen;
g) by pressing the second button, the output value and its unit are changed.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (7)
1. The utility model provides a multi-functional pressure gauge of electronic type, includes shell (10), its characterized in that: be provided with public luer connector (20), female luer connector (30), display screen (40) on shell (10), be provided with signal conditioning circuit (50) and little the control unit (60) in shell (10), still be provided with survey buret (70) in shell (10), survey buret (70) one end with public luer connector (20) is connected, the other end with female luer connector (30) are connected, still be provided with piezoresistive sensor (80) in surveying buret (70), piezoresistive sensor (80) with signal conditioning circuit (50) with little the control unit (60) electric connection, little the control unit (60) still with display screen (40) electric connection.
2. The electronic multifunctional pressure gauge according to claim 1, wherein: the measuring tube (70) comprises a first bending section (701) and a second bending section (702), the first bending section (701) and the second bending section (702) are both trapezoidal, and the first bending section (701) is connected with the second bending section (702).
3. The electronic multifunctional pressure gauge according to claim 2, wherein: the inlet of the piezoresistive sensor (80) is connected to the first bending section (701), and the outlet of the piezoresistive sensor (80) is connected to the second bending section (702).
4. The electronic multifunctional pressure gauge according to claim 3, wherein: the battery pack is characterized in that a battery bin (101) is arranged on the shell (10), a battery is arranged in the battery bin (101), and the battery is electrically connected with the signal conditioning circuit (50) and the micro control unit (60).
5. The electronic multifunctional pressure gauge according to claim 4, wherein: the shell (10) is further provided with a power switch (90), and the power switch (90) is electrically connected with the battery to control the communication and the cut-off of the circuit.
6. The electronic multifunctional pressure gauge according to claim 4 or 5, wherein: the shell (10) is further provided with a first button (110), the first button (110) is electrically connected with the micro control unit (60), and the first button (110) is used for controlling the starting and ending of timing.
7. The electronic multifunctional pressure gauge according to claim 6, wherein: the shell (10) is further provided with a second button (120), the second button (120) is electrically connected with the micro control unit (60), and the second button (120) is used for switching data units displayed on the display screen (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220822253.7U CN217331468U (en) | 2022-04-11 | 2022-04-11 | Electronic multifunctional pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220822253.7U CN217331468U (en) | 2022-04-11 | 2022-04-11 | Electronic multifunctional pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217331468U true CN217331468U (en) | 2022-08-30 |
Family
ID=82947065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220822253.7U Active CN217331468U (en) | 2022-04-11 | 2022-04-11 | Electronic multifunctional pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217331468U (en) |
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2022
- 2022-04-11 CN CN202220822253.7U patent/CN217331468U/en active Active
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