CN2465166Y

CN2465166Y - Digital pressure meter capable of converting mechanical gearing principle into digital indication by induction principle

Info

Publication number: CN2465166Y
Application number: CN 01210851
Authority: CN
Inventors: 周荣榜
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-28
Filing date: 2001-02-28
Publication date: 2001-12-12
Anticipated expiration: 2011-02-28

Abstract

The utility model relates to a digital pressure meter capable of converting a mechanical driving principle into a digital indication by using an induction principle. On the basis of a mechanical pressure meter, the utility model is mainly composed of an electronic circuit board, a liquid crystal display screen, an optical disk, a photoreceptor, etc. which are additionally added. The utility model has the advantages that the digital pressure meter capable of converting the mechanical driving principle into the digital indication by using the induction principle has the low cost of the mechanical pressure meter and has accurate numerical display of the digital pressure meter, and the watch is easy.

Description

Utilize principle of induction that mechanical drive principle is converted to the digital pressure recorder that numeral shows

The utility model relates to a kind of pressure gauge, and particularly a kind of principle of induction of utilizing is converted to the digital pressure recorder that numeral shows with mechanical drive principle.

The pressure gauge of commonly using has mechanical, also has digital.If mechanical type, its cost of manufacture is quite cheap, is difficult for and the visual angle is different that different error amounts is arranged but use to have to observe, if when pointer refers between scale fuzzy area, the user can only be with conjecture mode rough estimate force value, quite inconvenience in the use.

Other has digital pressure recorder, it is sent to electronic circuit board with the pressure inductor pressure sensor and converts numeral to, and show in LCDs, its advantage is to be easy to watch force value, and pressure is very clear and definite, but its crucial parts " pressure inductor " cost is quite high, and the price of digital pressure recorder is high and influence its popularity rate, does not have key components and parts also to make domestic digital pressure recorder output limited.

Fundamental purpose of the present utility model provides a kind of principle of induction of utilizing mechanical drive principle is converted to the digital pressure recorder that numeral shows, is a kind of low and digital digital pressure recorder that shows the advantage that pressure is checked easily of digital pressure recorder of mechanical manometer cost that has concurrently.

The utility model is achieved in that a kind of principle of induction of utilizing is converted to the digital pressure recorder that numeral shows with mechanical drive principle, include the pressure distortion element that produces the corresponding deformation amount with the pressure size, connecting rod, sector gear, pinion wheel, volute spring, be characterized in that it has electronic circuit board, LCDs, battery, CD and photoreceptor, CD is coaxial with pinion wheel, thereby the anglec of rotation of CD is identical with the anglec of rotation of pinion wheel, corresponding with Baden's pipe with the deflection that institute's measuring pressure causes, photoreceptor is to the standby perforation of light and the pressure sensor data, converts pressure value to and shows on LCDs via electronic circuit board; Said pressure distortion element is for stepping on pipe; Said pressure distortion element is spring mode or diaphragm mode or gear mode.

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing thereof

Fig. 1 commonly uses the three-dimensional partly decomposing schematic representation of mechanical gauge.

Fig. 2 commonly uses digital type electronic pressure meter perspective exploded view.

Fig. 3 is the utility model pressure gauge perspective exploded view.

Fig. 4 is the manometric part planar gesture of the utility model figure.

Among the figure:

The 10-mechanical gauge, 11-Baden pipe, 12-connecting rod, the 13-sector gear, 14-pinion wheel, 15-volute spring, the 16-pointer, 17-axle, 20-digital pressure recorder, the 21-pressure inductor, 22-battery, 23-electronic circuit board, the 24-LCDs, 30-pressure gauge, 31-Baden pipe, the 32-connecting rod, 33-sector gear, 34-pinion wheel, the 35-volute spring, the 36-electronic circuit board, 37-LCDs, 38-battery, the 39-axle, the 40-CD, 41-perforation, 50-photoreceptor.

The utility model provides a kind of principle of induction of utilizing that mechanical drive principle is converted to the digital pressure recorder that numeral shows.

Consult shown in Figure 1, a kind of traditional mechanical formula pressure gauge 10, include Baden pipe 11, connecting rod 12, sector gear 13, pinion wheel 14, volute spring 15, pointer 16, the gas of this high pressure wherein, liquid or air are imported into pressure gauge 10, managed 11 o'clock the Baden, Baden's pipe 11 produces different distortion with the pressure size, this deflection is pulling sector gear 13 via connecting rod 12 transmission, sector gear 13 swings drive pinion wheel 14 and do relative rotation, pinion wheel 14 and pointer 16 coaxial 17, pointer 16 is also done the rotation of same amount, from the visual observation pointer 16 indication decompression force size that cooperated scales.When pressure disappeared, volute spring 15 spring backs made zero the axle 17 of pointer 16, pinion wheel 14.

Above-mentioned mechanical compression pin 10 costs are quite cheap, but its pointer displayed 16 cooperates scale, still there is fuzzy space at the scale interval place, and user's viewing angle difference also influences reading of correct pressure value, and pointer 16 indicating graduations also have inconvenience need be converted into force value the time.

Figure 2 shows that digital pressure recorder 20, this pressure gauge 20 includes pressure inductor 21, battery 22, electronic circuit board 23 and LCDs 24, the pressure of pressure inductor 21 sensing gases at high pressure or liquid, signal is sent to electronic circuit board 23, convert pressure value to and show 22 supply pressure sensors 21 of battery, electronic circuit board 23 and LCDs 24 electric energy via electronic circuit board 23 in LCDs 24;

The pressure inductor of above-mentioned digital pressure recorder 20 is quite expensive, and still can't make according to present domestic technique, the complete dependence on import of the key components and parts of pressure inductor 21, cause digital pressure recorder 20, cost can't reduce, use limitedly, its advantage is to show that numerical value checks that easily pressure value is clearly reliable.

Fig. 3, Fig. 4 are respectively the perspective exploded view and the part planar gesture figure of the utility model digital pressure recorder preferred embodiment.This pressure gauge 30 includes: Baden pipe 31, connecting rod 32, sector gear 33, pinion wheel 34, volute spring 35, electronic circuit board 36, LCDs 37, battery 38, CD 40, photoreceptor 50, above-mentioned all devices domestic technique all has the ability to make, and it is with low cost, wherein managed 31 o'clock the gas of this high pressure or the liquid Baden that is imported into pressure gauge 30, Baden's pipe 31 is out of shape with the pressure size, this deflection is pulling sector gear 33 via connecting rod 32 transmission, sector gear 33 swing and drive pinion wheel 34 and do relative rotation, pinion wheel 34 and CD 40 coaxial 39, make CD 40 also do the rotation of same amount, transmission signal is to electronic circuit board 36 via photoreceptor 50 inductions, convert pressure value to and at LCDs 37 display digits via electronic circuit board 36, action before this arrival CD 40 all is mechanical drive from the above, it mainly utilizes principle of induction and establishes 50 detections of perforation 41 (about 75 lattice) cooperation photoreceptor with row on its CD 40 and obtain data, by the Data Source of its CD 40 if any 75 lattice, angle 270 degree of pressing force meter 30 calculate, and precision is about 1.6 grades.

From the above, the utility model is by the application of principle of induction, except that can reaching the hundred-percent self-control of part, more can reduce the cost of digital pressure recorder 30 in a large number, thereby make checking easily of its low cost that has mechanical gauge concurrently, digital pressure recorder display digit, the advantage that pressure value is also quite clear and definite.

Claims

1, a kind of principle of induction of utilizing is converted to the digital pressure recorder that numeral shows with mechanical drive principle, include the pressure distortion element (31) that produces the corresponding deformation amount with the pressure size, connecting rod (32), sector gear (33), pinion wheel (34), volute spring (35), it is characterized in that electronic circuit board (36) in addition, LCDs (37), battery (38), CD (40) and photoreceptor (50), CD (40) and pinion wheel (34) coaxial (39), thereby the anglec of rotation of CD (40) is identical with the anglec of rotation of pinion wheel, corresponding with pressure distortion element (31) with the deflection that institute's measuring pressure causes, photoreceptor (50) is to the perforation (41) of CD (40) and the pressure sensor data, converts pressure value to and go up in LCDs (37) via electronic circuit board (36) to show.

2, digital pressure recorder according to claim 1 is characterized in that said pressure distortion element is Baden's pipe.

3, digital pressure recorder according to claim 1 is characterized in that said pressure distortion element is spring mode or diaphragm mode or gear mode element.