CN211477484U - Battery-powered low-power-consumption digital display pressure gauge - Google Patents
Battery-powered low-power-consumption digital display pressure gauge Download PDFInfo
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- CN211477484U CN211477484U CN201922261523.2U CN201922261523U CN211477484U CN 211477484 U CN211477484 U CN 211477484U CN 201922261523 U CN201922261523 U CN 201922261523U CN 211477484 U CN211477484 U CN 211477484U
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Abstract
The utility model relates to a battery-powered low-power-consumption digital display pressure gauge, which comprises a base, a pressure measuring element, a pressing cap, a compensating plate, a shell, a lead wire, a connecting seat, a movable ferrule, a digital display shell, a main board, a power panel, a copper column, a battery, a rear cover plate, a power line and a sealing ring; the pressure measuring element is fixed in the base through the pressing cap, the compensating plate is fixed on the pressing cap through screws, the pressure measuring element is connected with the compensating plate through a lead and is connected with the main board through the lead, the main board is connected with the power panel through a power line, and the power panel is connected with the battery; one end of the shell is fixed on the base, the other end of the shell penetrates into the connecting seat through a laser welding movable ferrule, the movable ferrule is connected with the digital display shell, the main board and the power panel penetrate and are fixed on the digital display shell through copper columns, the rear cover plate is fixed on the copper columns through screws, and sealing rings are matched with the edges of the digital display shell. Through the utility model discloses, can be more directly perceived, accurate observation pressure change numerical value.
Description
Technical Field
The utility model relates to a battery powered low-power consumption digital display manometer belongs to sensor technical field.
Background
In typical hydraulic and pneumatic pressure measurement, since the test point cannot provide power on site and the site needs to directly observe the pressure value, a mechanical pointer pressure gauge is usually adopted for measurement. However, in some application places, the pressure change value needs to be observed more intuitively and accurately on site, and the tested media are diversified, so that the mode of the conventional mechanical pointer pressure gauge cannot meet the test requirement on site.
The novel design is suitable for liquid and gas pressure measurement in most industries, has a field zero clearing function, can be started and shut down at any time according to field requirements, has the pressure measurement precision of 0.1 percent, can display an LED four-digit half window, has low power consumption design, has the protection grade of IP65, works for millions of times, and can be widely applied to various hydraulic and air pressure measurement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery powered low-power consumption digital display manometer that rational in infrastructure is simple, the manufacturing is easy, convenient to use to above-mentioned current problem.
The utility model aims at realizing the pressure gauge with battery power supply and low power consumption, which is characterized by comprising a base, a pressure measuring element, a pressing cap, a compensating plate, a shell, a lead wire, a connecting seat, a movable ferrule, a digital display shell, a mainboard, a power panel, a copper column, a battery, a back cover plate, a power line and a sealing ring;
the pressure measuring element is fixed in the base through the pressing cap, the compensating plate is fixed on the pressing cap through screws, the pressure measuring element is connected with the compensating plate through a lead and is connected with the main board through the lead, the main board is connected with the power panel through a power line, and the power panel is connected with the battery;
one end of the shell is fixed on the base, the other end of the shell penetrates into the connecting seat through a laser welding movable ferrule, the movable ferrule is connected with the digital display shell, the main board and the power panel penetrate and are fixed on the digital display shell through copper columns, the rear cover plate is fixed on the copper columns through screws, and sealing rings are matched with the edges of the digital display shell.
The base is made of metal 304 or 316L and is integrally processed and molded.
The pressure measurement element is a diffused silicon core.
One end of the shell is fixed on the base through threads.
The movable ferrule is sleeved in the connecting seat and is limited and locked at the position of the circular ring clamping groove through a fixing nut, and the digital display shell can freely rotate for 270 degrees; the digital display shell is provided with a display window, the main board is provided with an LED digital display gauge head, the display window corresponds to the LED digital display gauge head, and the LED digital display gauge head is used for displaying pressure values and pressure units;
when the position of the display window is not on the front surface when the product is installed, the fixing nut can be loosened, the direction of the digital display shell is adjusted, the display window keeps front surface display, and then the fixing nut is locked.
The pressing cap, the compensating plate, the lead and the connecting seat are arranged in the shell.
The digital display shell is provided with 2 buttons, and the 2 buttons are connected to the mainboard.
The utility model discloses simple and reasonable structure, manufacturing are easy, convenient to use, through the utility model discloses, a battery powered low-power consumption digital display manometer, include base, pressure measurement element, compress tightly cap, compensating plate, shell, lead wire, connecting seat, activity lasso, digital display shell, display window, button, mainboard, power strip, copper post, battery, back shroud, power cord, sealing washer etc.. The base is made of metal 304 or 316L materials and is integrally processed and molded, the pressure measuring element is a diffusion silicon core body, the pressure measuring element is fixed in the base through a pressing cap, a compensating plate is fixed on the pressing cap through screws, signals of the pressure measuring element are connected to the compensating plate through leads and are connected to a main board, the main board is connected to a power supply board through a power line and is powered by a battery on a circuit board; the one end of shell is passed through the thread tightening on the base, and the other end passes through the laser welding movable sleeve circle to in penetrating the connecting seat, there are draw-in groove and fixation nut on the movable sleeve circle, can be so that digital display shell free rotation 270 degrees, mainboard, power strip penetrate through the copper post and fix on the digital display shell, and the fix with screw is on the copper post for the back shroud, and is furnished with the sealing washer at digital display shell edge.
The novel structure of the design is reasonable and simple, the high-precision diffusion silicon core body is used as a pressure measurement element, the pressure measurement at the temperature of-20-125 ℃ can be met, and the measurement precision reaches 0.1% FS; the 3.6V lithium battery is adopted for power supply, an LED display screen and a low-power-consumption design can be adopted, and a zero clearing button and a switch button are matched, so that the on-site operation of a client is facilitated; the rear cover plate can be opened, so that the battery can be conveniently replaced by a client at the later stage; the digital display shell 270 degrees can freely rotate, so that the viewing angle of the window can be adjusted during installation of the product.
When the pressure gauge is used, the battery-powered low-power-consumption digital display pressure gauge is arranged in a threaded hole of a test point through a wrench, and different tightening torques are used according to different pressure ranges, so that the product is ensured not to be leaked; if after screwing up, the display window orientation on the digital display shell is not the front, can loosen the fixation nut on the connecting seat after, rotatory digital display gauge outfit makes it display window orientation front, again tighten fixation nut can.
And opening the rear cover plate, installing the 3.6V lithium battery, and covering the rear cover plate. The battery supplies power to the LED digital display meter head on the mainboard, and the mainboard is connected with the pressure core body to supply power to the pressure core body. When pressure is generated in the pipeline, the measured medium generates certain thrust to the pressure measuring element through the base, a voltage signal generated by the pressure measuring element is transmitted to the main board and converted into an LED digital display, and the LED digital display meter head displays a pressure value and a pressure unit.
The utility model is characterized in that: 1) the structure is characterized in that: the mainboard is integrally designed with the power panel and the digital display shell and is fixed through the copper columns, so that the product is compact, small and attractive. 2) The material characteristics are as follows: the pressure gauge base, the shell, the digital display shell, the connecting seat, the movable ferrule and the like are all made of stainless steel 304. 3) The pressure sensing element: the pressure gauge adopts a high-precision diffusion silicon core body as a pressure measuring element.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view in another direction of the present invention.
In the figure: the device comprises a base 1, a pressure measuring element 2, a pressing cap 3, a compensation plate 4, a shell 5, a lead 6, a connecting seat 7, a movable ferrule 8, a digital display shell 9, a display window 10, a button 11, a main board 12, a power board 13, a copper column 14, a battery 15, a rear cover plate 16, a power line 17 and a sealing ring 18.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
a battery-powered low-power-consumption digital display pressure gauge comprises a base 1, a pressure measuring element 2, a pressing cap 3, a compensating plate 4, a shell 5, a lead 6, a connecting seat 7, a movable ferrule 8, a digital display shell 9, a main board 12, a power panel 13, a copper column 14, a battery 15, a rear cover plate 16, a power line 17 and a sealing ring 18. Wherein, fix pressure measurement element 2 in base 1 through compressing tightly cap 3, compensation plate 4 passes through the screw fixation on compressing tightly cap 3, and pressure measurement element 2 is connected with compensation plate 4 through lead wire 6 to be connected with mainboard 12 through lead wire 6, mainboard 12 is connected with power panel 13 through power cord 17, and power panel 13 is connected with battery 15. One end of the shell 5 is fixed on the base 1, the other end of the shell passes through the movable ferrule 8 of laser welding and penetrates into the connecting seat 7, the movable ferrule 8 is connected with the digital display shell 9, the main board 12 and the power board 13 penetrate through the copper column 14 and are fixed on the digital display shell 9, the rear cover plate 16 is fixed on the copper column 14 through screws, and the edge of the digital display shell 9 is provided with the sealing ring 18.
Further, the base 1 is made of metal 304 or 316L, and the base 1 is integrally formed. The pressure measuring cell 2 is a diffused silicon core. One end of the housing 5 is fixed to the base 1 by a screw. A circular ring clamping groove is formed in the movable ferrule 8, a limiting device is arranged in the circular ring clamping groove, the movable ferrule 8 is sleeved in the connecting seat 7, the circular ring clamping groove is limited and locked through a fixing nut, and the digital display shell 9 can freely rotate for 270 degrees; a display window 10 is arranged on the digital display shell 9, an LED digital display meter head is arranged on the main board 12, the display window 10 corresponds to the LED digital display meter head, and the LED digital display meter head is used for displaying pressure numerical values and pressure units; when the position of the product installation display window 10 is not on the front surface, the fixing nut can be loosened, the direction of the digital display shell 9 is adjusted, the display window 10 keeps front surface display, and then the fixing nut is locked. The pressing cap 3, the compensating plate 4, the lead 6 and the connecting seat 7 are arranged in the shell 5. The display shell 9 is provided with a display window 10 and 2 buttons 11, one button 11 is connected with the main board 12, and the other button 11 is connected with the power panel 13.
Claims (7)
1. A battery-powered low-power-consumption digital display pressure gauge is characterized by comprising a base (1), a pressure measuring element (2), a pressing cap (3), a compensation plate (4), a shell (5), a lead (6), a connecting seat (7), a movable ferrule (8), a digital display shell (9), a main board (12), a power panel (13), a copper column (14), a battery (15), a rear cover plate (16), a power line (17) and a sealing ring (18);
the pressure measuring element (2) is fixed in the base (1) through the pressing cap (3), the compensating plate (4) is fixed on the pressing cap (3) through screws, the pressure measuring element (2) is connected with the compensating plate (4) through a lead (6) and is connected with the main board (12) through the lead (6), the main board (12) is connected with the power supply board (13) through a power line (17), and the power supply board (13) is connected with the battery (15);
one end of the shell (5) is fixed on the base (1), the other end of the shell passes through the laser welding movable ferrule (8) and penetrates into the connecting seat (7), the movable ferrule (8) is connected with the digital display shell (9), the main board (12) and the power panel (13) penetrate through the copper column (14) and are fixed on the digital display shell (9), the rear cover plate (16) is fixed on the copper column (14) through screws, and the edge of the digital display shell (9) is provided with the sealing ring (18).
2. The battery-powered low-power consumption digital display pressure gauge according to claim 1, wherein the base (1) is made of 304 or 316L metal, and the base (1) is integrally formed.
3. A battery-operated digital display pressure gauge with low power consumption according to claim 1, characterized in that the pressure measuring element (2) is a diffused silicon core.
4. A battery-powered low-power consumption digital display pressure gauge according to claim 1, characterized in that one end of the housing (5) is fixed on the base (1) by screw threads.
5. The battery-powered low-power consumption digital display pressure gauge according to claim 1, wherein a circular ring clamping groove is formed in the movable ferrule (8), a limiting device is arranged in the circular ring clamping groove, the movable ferrule (8) is sleeved in the connecting seat (7) and is limited and locked by a fixing nut at the position of the circular ring clamping groove, and the digital display shell (9) can rotate freely for 270 degrees; the digital display shell (9) is provided with a display window (10), the main board (12) is provided with an LED digital display gauge outfit, the display window (10) corresponds to the LED digital display gauge outfit, and the LED digital display gauge outfit is used for displaying pressure numerical values and pressure units.
6. The battery-powered low-power consumption digital display pressure gauge according to claim 1, wherein the pressing cap (3), the compensation plate (4), the lead wire (6) and the connecting seat (7) are arranged in the shell (5).
7. The battery-powered low-power-consumption digital display pressure gauge according to claim 1, wherein the digital display shell (9) is provided with 2 buttons (11), and the 2 buttons (11) are all connected to the main board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261523.2U CN211477484U (en) | 2019-12-17 | 2019-12-17 | Battery-powered low-power-consumption digital display pressure gauge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261523.2U CN211477484U (en) | 2019-12-17 | 2019-12-17 | Battery-powered low-power-consumption digital display pressure gauge |
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| CN211477484U true CN211477484U (en) | 2020-09-11 |
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| CN201922261523.2U Active CN211477484U (en) | 2019-12-17 | 2019-12-17 | Battery-powered low-power-consumption digital display pressure gauge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323416A (en) * | 2021-12-28 | 2022-04-12 | 北京麦普兹微电科技有限公司 | Micro-power digital display pressure gauge |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323416A (en) * | 2021-12-28 | 2022-04-12 | 北京麦普兹微电科技有限公司 | Micro-power digital display pressure gauge |
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