CN204115954U - A kind of pressure digital display meter with illumination functions - Google Patents
A kind of pressure digital display meter with illumination functions Download PDFInfo
- Publication number
- CN204115954U CN204115954U CN201420566097.8U CN201420566097U CN204115954U CN 204115954 U CN204115954 U CN 204115954U CN 201420566097 U CN201420566097 U CN 201420566097U CN 204115954 U CN204115954 U CN 204115954U
- Authority
- CN
- China
- Prior art keywords
- dial plate
- pressure
- digital display
- snubber assembly
- signal
- 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 - Fee Related
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
A kind of pressure digital display meter with illumination functions, comprise dial plate, Digital Display Circuit, handle and snubber assembly, the position at dial plate edge is provided with three LED, the below of dial plate is provided with light sensor, the outside of dial plate is provided with battery compartment and switch, below dial plate left outer, sensor interface is installed, snubber assembly is arranged on the lower right of panel surface, the upper end of snubber assembly is connected with pressure-sensing device, the other end of snubber assembly is provided with bearing, the other end of bearing is provided with connecting pipe, and handle is arranged on the outside surface of snubber assembly; The centre of dial plate is provided with LED display, is provided with switch below described LED display, and the rear of dial plate is provided with the circuit board be connected with LED display.The utility model structure is simple, practical, and reading is very convenient, and extends the serviceable life of pressure digital display meter greatly.
Description
Technical field
The utility model relates to instrument field, specifically a kind of pressure digital display meter with illumination functions.
Background technology
Pressure is the important parameter in commercial production, pressure survey occupies special status in the industrial production, pressure digital display meter is also modal measurement instrument, be widely used in every field, pressure digital display meter not only can demonstrate the pressure change of each processing apparatus of system intuitively, the condition of observing in product or medium flow process is formed, and ensure that the safety in production run process removes hidden danger, the pressure digital display meter generally used at present only has the function of observing and measuring pressure, seldom there is the defencive function to pressure digital display meter itself, pressure digital display meter is very easily damaged, change frequent, and because current pressure digital display meter is without illumination functions, when light is darker, cannot normal reading, need by external light sources such as electric torchs, bring great inconvenience to the work of people.
Utility model content
The purpose of this utility model is to provide a kind of structure simple, the functional pressure digital display meter with illumination functions by force, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of pressure digital display meter with illumination functions, comprise dial plate, Digital Display Circuit, handle and snubber assembly, the position at described dial plate edge is provided with three LED, the below of dial plate is provided with light sensor, the outside of dial plate is provided with battery compartment and switch, below dial plate left outer, sensor interface is installed, described snubber assembly is arranged on the lower right of panel surface, the upper end of snubber assembly is connected with pressure-sensing device, the other end of snubber assembly is provided with bearing, the other end of bearing is provided with connecting pipe, and described handle is arranged on the outside surface of snubber assembly; The centre of dial plate is provided with LED display, is provided with switch below described LED display, and the rear of dial plate is provided with the circuit board be connected with LED display;
Described Digital Display Circuit comprises signal acquisition circuit, signal amplification circuit, ICL7107 chip and light-emitting diode display, the pressure signal of signal acquisition circuit collection is carried out stable amplification by signal amplification circuit, the pressure signal of amplification carries out processing and is finally converted into digital signal and shows on display circuit by ICL7107 chip, signal acquisition circuit comprises pressure transducer MPX2100, diode D1 and electric capacity C6, and signal amplification circuit comprises amplifier IC1, amplifier IC2, amplifier IC3 and amplifier IC4.
As further program of the utility model: described snubber assembly inside is provided with buffering ball, and buffering ball is provided with multiple cushion hole.
As further program of the utility model: described handle is the rod iron along pressure digital display off-balancesheet profile curves, and rod iron becomes handle shape in pressure digital display meter top curved.
As the utility model further scheme: on described dial plate, cover has translucent cover.
Compared with prior art, the beneficial effects of the utility model are: pressure digital display meter is provided with handle, do not need directly to turn dial plate when needs rotational view pressure digital display meter, reduce the infringement to dial plate, bottom is also provided with snubber assembly, buffering through hole on buffering ball plays peptizaiton to high-pressure fluid, thus gentle pressure, extend pressure digital display meter serviceable life, LED illumination lamp is installed, when dark, opens LED, do not need by external light sources such as electric torchs, bring great convenience to the work of people.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Facad structure schematic diagram of the present utility model;
Fig. 3 is Digital Display Circuit figure of the present utility model;
In figure: 1-dial plate, 2-snubber assembly, 3-buffering ball, 4-bearing, 5-connecting pipe, 6-pressure-sensing device, 7-sensor interface, 8-battery compartment, 9-switch, 10-circuit board, 11-handle, 12-LED display screen, 13-light sensor, 14-LED lamp.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 3, in the utility model embodiment, a kind of pressure digital display meter with illumination functions, comprise dial plate 1, Digital Display Circuit, handle 11 and snubber assembly 2, the position at described dial plate 1 edge is provided with three LED 14, the below of dial plate 1 is provided with light sensor 13, the outside of dial plate 1 is provided with battery compartment 8 and switch 9, LED, light sensor, switch and battery compartment built-up circuit, when light sensor 20 senses dark, light sensor 20 passes to chip U1 signal, chip U1 judges whether to open LED according to signal, do not need hand switch, do not need by external light sources such as electric torchs yet, great convenience is brought to the work of people, switch 16 controls the break-make of way circuit, can open or close according to the demand of people.
Below dial plate 1 left outer, sensor interface 7 is installed, described snubber assembly 2 is arranged on the lower right on dial plate 1 surface, institute's snubber assembly 2 inside is provided with buffering ball 3, buffering ball 3 is provided with multiple cushion hole, buffering through hole on buffering ball 3 plays peptizaiton to high-pressure fluid, thus gentle pressure, extend pressure digital display meter serviceable life, the upper end of snubber assembly 2 is connected with pressure-sensing device 6, the other end of snubber assembly 2 is provided with bearing 4, the other end of bearing 4 is provided with connecting pipe 5, described handle 11 is arranged on the outside surface of snubber assembly 4, when pressure observed by needs, suitable angle can be adjusted to by rotation pressure digital display meter, be convenient to observed reading, and handle 11 is installed, do not need directly to turn dial plate 1, reduce the infringement to dial plate 1, , the centre of dial plate 1 is provided with LED display 12, switch 9 is provided with below described LED display 12, the rear of dial plate 1 is provided with the circuit board 10 be connected with LED display 12, pressure is converted into voltage and current signal by pressure-sensing device 6, signal input pickup interface 7, digital signal is converted to through internal circuit, exported by sensor interface 7, accept digital signal by digital indicator 12 simultaneously and carry out numerical monitor.
Digital Display Circuit comprises signal acquisition circuit, signal amplification circuit, ICL7107 chip and light-emitting diode display, the pressure signal of signal acquisition circuit collection is carried out stable amplification by signal amplification circuit, the pressure signal of amplification carries out processing and is finally converted into digital signal and shows on display circuit by ICL7107 chip, signal acquisition circuit comprises pressure transducer MPX2100, diode D1 and electric capacity C6, and signal amplification circuit comprises amplifier IC1, amplifier IC2, amplifier IC3 and amplifier IC4.
The pin 1 of ICL7107 chip, pin 36 and pin 35 are connected on resistance R1 jointly, resistance R1 connects 12V supply voltage by voltage stabilizer MC7805, pin 39 is connected with resistance R4, pin 38 is connected with electric capacity C1, electric capacity R4 and electric capacity C1 is connected on pin 40 jointly, pin 33 is connected on pin 34 by electric capacity C2, pin 31 is connected to electric capacity C3 and amplifier IC3, the negative-phase input of amplifier IC3 connects amplifier IC1 output terminal by resistance R2, resistance R3 is connected with between the negative-phase input of amplifier IC3 and output terminal, the pin 4 of the normal phase input end Bonding pressure sensor of amplifier IC1, the negative-phase input of amplifier IC1 connects the negative-phase input of amplifier IC2 by adjustable resistance Rp, resistance R5 is connected with between the negative-phase input of amplifier IC1 and output terminal, the normal phase input end of amplifier IC2 connects the pin 2 of electric capacity C6 and pressure transducer respectively, the pin 3 of pressure transducer connects 12V power supply, the output terminal of amplifier IC2 passes through the normal phase input end of resistance R7 difference contact resistance R8 and amplifier IC3, resistance R6 is connected with between the output terminal of amplifier IC2 and negative-phase input, the resistance R8 other end connects the output terminal of amplifier IC4 and the normal phase input end of amplifier IC4, pressure transducer MPX2100 is parallel with diode D1, the pin 1 of pressure transducer MPX2100, the equal ground connection of negative-phase input of the electric capacity C6 other end and amplifier IC4.
The pin 30 of ICL7107 chip is connected with pin 32 and is jointly connected to the electric capacity C3 other end, pin 29 is by electric capacity C4 contact resistance R9 and electric capacity C5 respectively, the resistance R9 other end connects pin 28, the electric capacity C5 other end connects pin 27, the pin 25 of ICL7107 chip is connected with light-emitting diode display and is connected on pin 9, the pin 24 of ICL7107 chip is connected with light-emitting diode display and is connected on pin 15, and the light-emitting diode display other end is connected on the pin 21 of ICL7107 chip.
Claims (4)
1. one kind has the pressure digital display meter of illumination functions, comprise dial plate (1), Digital Display Circuit, handle (11) and snubber assembly (2), it is characterized in that, the position at described dial plate (1) edge is provided with three LED (14), the below of dial plate (1) is provided with light sensor (13), the outside of dial plate (1) is provided with battery compartment (8) and switch (9), sensor interface (7) is installed below dial plate (1) left outer, described snubber assembly (2) is arranged on the lower right on dial plate (1) surface, the upper end of snubber assembly (2) is connected with pressure-sensing device (6), the other end of snubber assembly (2) is provided with bearing (4), the other end of bearing (4) is provided with connecting pipe (5), described handle (11) is arranged on the outside surface of snubber assembly (4), the centre of dial plate (1) is provided with LED display (12), described LED display (12) below is provided with switch (9), and the rear of dial plate (1) is provided with the circuit board (10) be connected with LED display (12),
Described Digital Display Circuit comprises signal acquisition circuit, signal amplification circuit, ICL7107 chip and light-emitting diode display, the pressure signal of signal acquisition circuit collection is carried out stable amplification by signal amplification circuit, the pressure signal of amplification carries out processing and is finally converted into digital signal and shows on display circuit by ICL7107 chip, signal acquisition circuit comprises pressure transducer MPX2100, diode D1 and electric capacity C6, and signal amplification circuit comprises amplifier IC1, amplifier IC2, amplifier IC3 and amplifier IC4.
2. a kind of pressure digital display meter with illumination functions according to claim 1, it is characterized in that, described snubber assembly (2) inside is provided with buffering ball (3), and buffering ball (3) is provided with multiple cushion hole.
3. a kind of pressure digital display meter with illumination functions according to claim 1, is characterized in that, described handle (11) is the rod iron along pressure digital display off-balancesheet profile curves, and rod iron becomes handle shape in pressure digital display meter top curved.
4. a kind of pressure digital display meter with illumination functions according to claim 1, is characterized in that, the upper cover of described dial plate (1) has translucent cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566097.8U CN204115954U (en) | 2014-09-29 | 2014-09-29 | A kind of pressure digital display meter with illumination functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566097.8U CN204115954U (en) | 2014-09-29 | 2014-09-29 | A kind of pressure digital display meter with illumination functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115954U true CN204115954U (en) | 2015-01-21 |
Family
ID=52333252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420566097.8U Expired - Fee Related CN204115954U (en) | 2014-09-29 | 2014-09-29 | A kind of pressure digital display meter with illumination functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225988A (en) * | 2016-08-02 | 2016-12-14 | 马鞍山市亿格仪表有限公司 | A kind of interactive digital display manometer |
-
2014
- 2014-09-29 CN CN201420566097.8U patent/CN204115954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225988A (en) * | 2016-08-02 | 2016-12-14 | 马鞍山市亿格仪表有限公司 | A kind of interactive digital display manometer |
| CN106225988B (en) * | 2016-08-02 | 2019-03-29 | 马鞍山市亿格仪表有限公司 | A kind of interactive digital display manometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202632475U (en) | Human-body-falling-down detection alarming device | |
| CN204115954U (en) | A kind of pressure digital display meter with illumination functions | |
| CN208688565U (en) | A kind of intelligent environment monitor | |
| CN205844439U (en) | A kind of short interruption detector | |
| CN208921777U (en) | Voltage measurement pen | |
| CN204730830U (en) | A kind of body position sensor | |
| CN207649670U (en) | A kind of hand-held type multifunctional finishing detection device | |
| CN204119626U (en) | A kind of intelligent desk lamp circuit | |
| CN205562456U (en) | Spirit tester | |
| CN206823081U (en) | A kind of intelligent swimming glasses intermediate plate for detecting heart rate and record swimming data | |
| CN205679580U (en) | A kind of portable air mass detecting instrument | |
| CN204244546U (en) | A kind of portable intensity of illumination real-time detecting system | |
| CN209594007U (en) | A kind of portable environment control host with loss prevention function | |
| CN207081794U (en) | A kind of pipe inspection device for the electromechanical installation of piping lane | |
| CN208423350U (en) | A kind of automatic controlling socket | |
| CN204881928U (en) | Take pressure digital display control circuit's device | |
| CN202697750U (en) | Clothes with warning device | |
| CN206096014U (en) | Alcohol concentration check out test set | |
| CN206878849U (en) | A kind of computer network detection means | |
| CN201828627U (en) | Leakage alarm | |
| CN207384042U (en) | A kind of Multifucntional Intelligent water cup with infrared measurement of temperature | |
| CN201340427Y (en) | Ultra-far distance magnetic-approaching rotating speed sensor | |
| CN204165956U (en) | A kind of portable simple air quality detector | |
| CN209165245U (en) | A kind of fingerprint recognition and pressure sensitive reading lamp | |
| CN202869627U (en) | Widened reading body weight |
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: 20150121 Termination date: 20150929 |
|
| EXPY | Termination of patent right or utility model |