CN203148615U - Digital display pressure gauge - Google Patents
Digital display pressure gauge Download PDFInfo
- Publication number
- CN203148615U CN203148615U CN 201320143331 CN201320143331U CN203148615U CN 203148615 U CN203148615 U CN 203148615U CN 201320143331 CN201320143331 CN 201320143331 CN 201320143331 U CN201320143331 U CN 201320143331U CN 203148615 U CN203148615 U CN 203148615U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- numeral
- lcd
- back cover
- tensimeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
This utility model discloses a digital display pressure gauge, which comprises a housing consisting of a face shell and a back shell, and a pneumatic connector connected to the back shell. A circuit board, a pressure sensor and an LED displayer are provided within the housing; the circuit board is provided with a master chip; the pressure sensor and the LED displayer are electrically connected with the master chip; an air flow channel is provided within the back shell, wherein an entry end of the air flow channel is connected to the pneumatic connector and an exit end is connected to the pressure sensor; and a power supply connected to the circuit board is installed within the back shell. The digital display pressure gauge disclosed by the utility model, compare with the mechanical pressure gauge in the prior art, senses air pressure through the pressure sensor, converts the air pressure to electrical signals which are transmitted to the master chip to calculate real air pressure value, and displays the result through the digital displayer. The digital display pressure gauge has advantages of a simple structure, quick assembly, high sensitivity of accuracy and display, and clear and direct digital display. The digital display pressure gauge can be calibrated after being assembled as a finished product.
Description
Technical field
The utility model relates to a kind of pressure measuring instrument, relates in particular to a kind of numeral and shows tensimeter.
Background technology
Pressure class instrument is common measurement instrument, is widely used in every field.The pressure that it can demonstrate each process links intuitively changes, the condition of seeing clearly in product or the medium flow process forms, monitor production run process safe trend, and by automatic chain or sensing device, constructed rapidly reliable safety guarantee together, brought into play vital role for accident prevention, the guarantee person and property safety, be known as safe " eyes ".
The existing mechanical tensimeter all adopts dial plate pointer-type.At first, this kind mechanical pressure gauge registration need manually read, so produce identification error through regular meeting, causes the result inaccurate; Secondly, because pack arrangement adopts the mechanical gear structure, more complicated, and in use often need zeroing, comparatively inconvenient.
The utility model content
Fundamental purpose of the present utility model is to remedy the manometric defective of existing machinery, provides a kind of automatic registration, numeral accurately highly sensitive, simple in structure to show tensimeter.
For achieving the above object, the utility model provides a kind of numeral to show tensimeter, comprises the shell body of being made up of face-piece and back cover, and the pneumatic fittings that is connected with described back cover, it is characterized in that, be provided with circuit board, pressure transducer and LCD in the described shell body; Wherein,
Described circuit board is provided with master chip;
Described pressure transducer and LCD all are electrically connected with master chip by circuit board;
Be provided with gas channel in the described back cover, wherein,
The inlet end of described gas channel links to each other with pneumatic fittings, and endpiece links to each other with pressure transducer;
The power supply that is connected with circuit board also is installed in the described back cover.
Preferably, be provided with conduction zebra bar between described LCD and the described circuit board, described LCD is connected on the circuit board by this conduction zebra bar.
Preferably, described circuit board is provided with golden finger, and this golden finger is connected with described conduction zebra bar.
Preferably, described LCD is the LCD LCD.
Preferably, be provided with between described circuit board and the back cover for first trip bolt that circuit board is fastened in the shell body.
Preferably, also be provided with 2 operation push-buttons on the described circuit board, described face-piece is provided with 2 through holes, and described operation push-button runs through through hole in face-piece.
Preferably, also post the panel paster on the described face-piece.
Preferably, described power supply is common AAA battery, is equipped with battery cover on the described back cover; Be provided with second trip bolt between described face-piece and the back cover.
Numeral of the present utility model shows tensimeter, and with respect to the existing mechanical tensimeter, the adopts pressure sensor induction air pressure also converts electric signal to and is sent to the value that master chip calculates actual pressure, and shows by LCD; The complex mechanical structure of comparing mechanical pressure gauge has lower cost, and assembling is simple, production is quick, can dress up finished product and calibrate; Simultaneously, precision and display sensitivity height, digital visual clear display; But also be provided with action button, and simple and convenient, stand-by time is long, and intelligent control has reduced artificial.And circuit board and LCD are connected by elements such as golden finger and zebra bars, so have stronger inoxidizability and signal transmissibility, the life-span is longer, and LCD registration can not occur disorderly and postpone, registration is more accurate.
Description of drawings
Fig. 1 is that a kind of numeral of the utility model shows the explosive view in the tensimeter preferred embodiments.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of numeral and show tensimeter.
With reference to shown in Figure 1, Fig. 1 is that a kind of numeral of the utility model shows the structural representation in the tensimeter preferred embodiments.
A kind of numeral of the utility model embodiment shows tensimeter, comprises that forming numeral by face-piece 11 and back cover 12 shows manometric shell body 1, and is connected the pneumatic fittings 2 on the back cover 12; Be provided with circuit board 3 and LCD 4 in the shell body 1; Described LCD 4 comprises display panel 41 and backlight 42; Circuit board 3 is provided with master chip 31 and pressure transducer 5; Described LCD 4 and pressure transducer 5 all are connected on the master chip 31 by circuit board.
Be provided with gas channel 121 in the described back cover 12, these gas channel 121 inlet ends link to each other with pneumatic fittings 2, and endpiece links to each other with pressure transducer 5.
In order to guarantee that numeral shows manometric operate as normal, is equipped with the power supply 6 that is connected with circuit board 3 in described back cover 12.
Numeral of the present utility model shows tensimeter, and tested Pneumatic pipe cleaner is crossed the gas channel 121 in pneumatic fittings 2 and the back cover 12, is added to pressure transducer 5; And then pressure transducer 5 converts air pressure induction to electric signal and is sent to master chip 31.Master chip 31 passes through the value of the size calculating actual pressure of electric signal, and shows by LCD 4.
Adopt numeral of the present utility model to show tensimeter, with respect to the existing mechanical tensimeter, the adopts pressure sensor induction air pressure, and be processed into digital signal and shown precision and display sensitivity height, digital visual clear display; And do not need the operation such as zero of returning of mechanical pressure gauge, and show automatically, reduced manually-operated; The prior complicated mechanical gear structure that gone less, cost is low.
In the above-described embodiments, described circuit board 3 is provided with golden finger 32, and described LCD 4 is electrically connected with master chip 31 on the circuit board 3 by this golden finger 32.Golden finger 32 is with respect to existing electrical connector, be covered with one deck gold again by special process in the copper-clad plate of Connection Element, so have stronger inoxidizability and signal transmissibility, the life-span is longer, and LCD 4 registration can not occur disorderly and postpone, registration is more accurate.
In the above-described embodiments, be provided with conduction zebra bar 7 between described LCD 4 and this golden finger 32.Adopt the surface of contact of conduction zebra bar 7 to connect golden finger 32 and LCD 4 respectively, very little because conduction zebra bar 7 electrode separations can be done, pliable and tough full of elasticity and that contraposition is installed is easily convenient, electric conductivity and stable aspect are better than common wiring.
In the above-described embodiments, described display panel 41 preferred LCD LCDs, volume is little, just is being suitable for the small size instrument, and low in energy consumption, effective.
In the above-described embodiments, 12 of described circuit board 3 and back covers also are provided with first trip bolt 34, and circuit board 3 is fastened in the shell body.
In the above-described embodiments, also be provided with operation push-button 33 on the described circuit board 3, correspondence is provided with 2 through holes 111 on the described face-piece 11, and described operation push-button 33 runs through through hole 111 in face-piece 11, be protruding to outside the face-piece, makes things convenient for manual operation; Described operation push-button 33 is respectively applied to registration unit conversion and lamplight brightness and regulates, and is beneficial to more to read and show.
In the above-described embodiments, also post panel paster 13 on the described face-piece 11, be used for indicating product information, also more attractive in appearance.
In the above-described embodiments, described power supply 6 is preferably common AAA(7 battery) power supply, the working time is long, and stand-by time is long, easily changes; Simultaneously be equipped with battery cover 8 at back cover 12, cover in the power supply in the back cover 12.
Further, be fastenedly connected more in order to make the shell physical efficiency, be provided with second trip bolt 9 between described face-piece 11 and the back cover 12.
Adopt numeral of the present utility model to show tensimeter, the adopts pressure sensor induction air pressure also converts electric signal to and is sent to the value that master chip calculates actual pressure, and shows by LCD; The complex mechanical structure of comparing mechanical pressure gauge has lower cost, and assembling is simple, production is quick, can dress up finished product and calibrate; Simultaneously, precision and display sensitivity height, digital visual clear display; But also be provided with action button, and simple and convenient, stand-by time is long, and intelligent control has reduced artificial.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. a numeral shows tensimeter, comprises the shell body of being made up of face-piece and back cover, and the pneumatic fittings that is connected with described back cover, it is characterized in that, is provided with circuit board, pressure transducer and LCD in the described shell body; Wherein,
Described circuit board is provided with master chip;
Described pressure transducer and LCD all are electrically connected with master chip by circuit board;
Be provided with gas channel in the described back cover, wherein,
The inlet end of described gas channel links to each other with pneumatic fittings, and endpiece links to each other with pressure transducer;
The power supply that is connected with circuit board also is installed in the described back cover.
2. numeral as claimed in claim 1 shows tensimeter, it is characterized in that, is provided with conduction zebra bar between described LCD and the described circuit board, and described LCD is connected on the circuit board by this conduction zebra bar.
3. numeral as claimed in claim 2 shows tensimeter, it is characterized in that described circuit board is provided with golden finger, and this golden finger is connected with described conduction zebra bar.
4. numeral as claimed in claim 1 shows tensimeter, it is characterized in that described LCD is the LCD LCD.
5. numeral as claimed in claim 1 shows tensimeter, it is characterized in that, is provided with between described circuit board and the back cover for first trip bolt that circuit board is fastened in the shell body.
6. numeral as claimed in claim 1 shows tensimeter, it is characterized in that also be provided with 2 operation push-buttons on the described circuit board, described face-piece is provided with 2 through holes, and described operation push-button runs through through hole in face-piece.
7. numeral as claimed in claim 1 shows tensimeter, it is characterized in that, also posts the panel paster on the described face-piece.
8. numeral as claimed in claim 1 shows tensimeter, it is characterized in that described power supply is common AAA battery, is equipped with battery cover on the described back cover; Be provided with second trip bolt between described face-piece and the back cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143331 CN203148615U (en) | 2013-03-26 | 2013-03-26 | Digital display pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143331 CN203148615U (en) | 2013-03-26 | 2013-03-26 | Digital display pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203148615U true CN203148615U (en) | 2013-08-21 |
Family
ID=48976132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320143331 Expired - Lifetime CN203148615U (en) | 2013-03-26 | 2013-03-26 | Digital display pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203148615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830951A (en) * | 2017-11-30 | 2018-03-23 | 广东诺能泰自动化技术有限公司 | A kind of battery type digital display manometer |
| CN109243126A (en) * | 2018-10-08 | 2019-01-18 | 深圳泰科芯元科技有限公司 | A kind of Internet of Things intelligent digital pressure gauge and measuring method for fire-fighting |
-
2013
- 2013-03-26 CN CN 201320143331 patent/CN203148615U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830951A (en) * | 2017-11-30 | 2018-03-23 | 广东诺能泰自动化技术有限公司 | A kind of battery type digital display manometer |
| CN109243126A (en) * | 2018-10-08 | 2019-01-18 | 深圳泰科芯元科技有限公司 | A kind of Internet of Things intelligent digital pressure gauge and measuring method for fire-fighting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |