CN203083765U - Photoelectric induction type vehicle gas pressure meter - Google Patents
Photoelectric induction type vehicle gas pressure meter Download PDFInfo
- Publication number
- CN203083765U CN203083765U CN 201220730680 CN201220730680U CN203083765U CN 203083765 U CN203083765 U CN 203083765U CN 201220730680 CN201220730680 CN 201220730680 CN 201220730680 U CN201220730680 U CN 201220730680U CN 203083765 U CN203083765 U CN 203083765U
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- infrared receiving
- tube
- sensor circuit
- photoelectric sensor
- dial
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Abstract
The utility model discloses a photoelectric induction type vehicle gas pressure meter which comprises a meter case (2), wherein the meter case is internally provided with a dial (4), a composite meter indicator (5), a spiral spring tube (16), a gear center shaft (8), a bracket (1), a movement base plate (7) and a supporting column (6), a shading plate (13) of the composite meter indicator is connected to an axial end of a pressure pointer (14) through a connecting piece (15) and is approximately perpendicular to the pressure pointer, the meter case is further internally provided with a photoelectric induction circuit board (3) which is installed on the front of the movement base plate by the supporting column, the photoelectric induction circuit board is provided with an infrared receiving tube (10) and an infrared transmitting tube (9), the front end of the infrared receiving tube is provided with a grating (11), the axial end of the pressure pointer is installed on the gear center shaft through a pointer cap (12), the pressure pointer is located on the obverse side of the dial, and the shading plate is arranged on the reverse side of the dial and is located between the infrared transmitting tube and the grating.
Description
Technical field
The utility model relates to a kind of tensimeter, relates in particular to a kind of photoelectric induction type vehicle fuel tensimeter.
Background technology
It is fuel or with on gasoline and the natural gas vehicle by double fuels that photoelectric induction type vehicle fuel tensimeter is mainly used in the rock gas, it can be at output voltage signal in the gaseous-pressure in the direct vehicle-mounted gas-holder of indication, and in time shows the gas-storing capacity of gas-holder by the signal indicating device on the fascia.Existing photoelectric induction type vehicle fuel tensimeter has two kinds of versions: a kind of is photoelectric sensor to be installed in manometric transparent table cover with, and adopts the loam cake formula structure of pressure and shading integral type pointer; Another kind is that photoelectric sensor is installed in manometric watchcase inside, adopts the built-in structure of the two pointers of pressure and shading.Loam cake formula structural table manufacturing process is simple, but external light source is big to the influence of output voltage signal, and degree of accuracy is low, poor reliability.The built-in structural table of two pointers has overcome the defective of loam cake formula structural table, but manufacturing process is more loaded down with trivial details, and the tensimeter of inapplicable and axial mounting structure.
Summary of the invention
The purpose of this utility model is to provide a kind of photoelectric induction type vehicle fuel tensimeter, and this tensimeter compact conformation is reasonable, degree of accuracy height, reliable operation.
In order to realize above-mentioned technical purpose, the utility model adopts following technical scheme:
A kind of photoelectric induction type vehicle fuel tensimeter comprises watchcase, is provided with dial, combined type indicator, spiral tube, central gear axis, support, movement base plate and pillar in the watchcase;
Described combined type indicator is made up of pressure pointer, anti-dazzling screen and brace, and anti-dazzling screen is connected pressure pointer axis client through brace, anti-dazzling screen and pressure pointer near normal;
Also be provided with the photoelectric sensor circuit plate in the described watchcase, pillar is installed on the photoelectric sensor circuit plate in the front of movement base plate, the photoelectric sensor circuit plate is provided with infrared receiving tube and infrared transmitting tube, the front end of infrared receiving tube is provided with grating, dial places photoelectric sensor circuit plate top and is fixed on the pillar, the pressure pointer axis client of combined type indicator is installed on the central gear axis by the pin cap, the pressure pointer is positioned at the front of dial, and anti-dazzling screen is at the reverse side of dial and between infrared transmitting tube and grating.
The circuit of described photoelectric sensor circuit plate comprises direct supply, resistance, infrared transmitting tube, several infrared receiving tubes, serial connection infrared transmitting tube D5 is to the dc power cathode end behind dc power anode termination two parallel resistance R5, the R6, the dc power anode end also connects an end of several infrared receiving tubes, and output in parallel connects an output port behind the other end series resistor of each infrared receiving tube.
Described several infrared receiving tubes are circular arc on the photoelectric sensor circuit plate arranges, and grating is a circular arc.
Described anti-dazzling screen is a circular arc, and the anti-dazzling screen circular arc is long corresponding with the circular arc appearance of several infrared receiving tube arrangement positions.
Described infrared receiving tube is four.
The utility model utilizes infrared transmitting tube and the infrared receiving tube that is provided with on the photoelectric sensor circuit plate, change the gaseous-pressure in the gas-holder into voltage signal output that step changes, it is reasonable to have compact conformation, the degree of accuracy height, characteristics such as reliable operation, can satisfy the axial installation requirement of user, also can be applied to radially install.
Description of drawings
Fig. 1 analyses and observe and shows synoptic diagram for the utility model photoelectric induction type vehicle fuel tensimeter side;
Fig. 2 is a front schematic view of the present utility model;
Fig. 3 is the positive partial schematic sectional view of the utility model;
Fig. 4 is a combined type indicator synoptic diagram.
Fig. 5 is a photoelectric sensor circuit plate electrical schematic diagram.
Among the figure: 1 support, 2 watchcases, 3 photoelectric sensor circuit plates, 4 dials, 5 combined type indicators, 6 pillars, 7 movement base plates, 8 central gear axis, 9 infrared transmitting tubes (D5), 10 infrared receiving tubes (D1, D2, D3, D4), 11 gratings, 12 pin caps, 13 anti-dazzling screens, 14 pressure pointers, 15 braces, 16 spiral tubes.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 to Fig. 4, a kind of photoelectric induction type vehicle fuel tensimeter comprises watchcase 2, is provided with dial 4, combined type indicator 5, spiral tube 16, central gear axis 8, support 1, movement base plate 7, pillar 6 in the watchcase 2; Spiral tube 16 input ends tap into tracheae, and output terminal connects central gear axis 8 through gear drive, and watchcase 2 is installed on the support 1, and this is a prior art.Improvement of the present utility model is:
Described combined type indicator 5 is made up of pressure pointer 14, anti-dazzling screen 13 and brace 15, and anti-dazzling screen 13 is connected pressure pointer 14 axis clients through brace 15, and anti-dazzling screen 13 and pressure pointer near normal are referring to Fig. 4.
Also be provided with photoelectric sensor circuit plate 3 in the described watchcase 2, pillar 6 is installed on photoelectric sensor circuit plate 3 in the front of movement base plate 7, photoelectric sensor circuit plate 3 is provided with infrared receiving tube 10 and infrared transmitting tube 9, the front end of infrared receiving tube 10 is provided with grating 11, dial 4 places photoelectric sensor circuit plate 3 tops and is fixed on the pillar 6, pressure pointer 14 axis clients of combined type indicator 5 are installed on the central gear axis 8 by pin cap 12, pressure pointer 14 is positioned at the front of dial 4, and anti-dazzling screen 13 is at the reverse side of dial 4 and between infrared transmitting tube 9 and grating 11.After manometer calibration, can obtain output signal and require the consistent of pressure by fine setting anti-dazzling screen 13.
Described infrared receiving tube 10 is four, and four infrared receiving tubes 10 are circular arc on photoelectric sensor circuit plate 3 arranges, and grating 11 is a circular arc.Described anti-dazzling screen 13 is a circular arc, and anti-dazzling screen 13 circular arcs are long corresponding with the circular arc appearance of four infrared receiving tube 10 arrangement positions, referring to Fig. 3.
The circuit of described photoelectric sensor circuit plate 3 comprises direct supply, resistance, infrared transmitting tube D5, four infrared receiving tube D1, D2, D3, D4, referring to Fig. 5, dc power anode end JI-3 meets two parallel resistance R5, serial connection infrared transmitting tube D5 is to dc power cathode end JI-2 behind the R6, dc power anode end JI-3 also meets four infrared receiving tube D1, D2, D3, the end of D4, output in parallel meets an output port JI-1 behind the other end series resistor of each infrared receiving tube, that is: direct supply is through resistance R 5, the divider resistance that R6 composes in parallel is to infrared transmitting tube D5 power supply, four infrared receiving tube D1, D2, D3, D4 is as switching tube four resistance R 1 of connecting respectively, R2, R3, R4 composes in parallel bleeder circuit again.
The manometric principle of work of the utility model photoelectric induction type vehicle fuel is as follows:
When the pressure of vehicle-mounted gas gas-holder was zero, pressure pointer 14 was positioned at the zero-bit of dial 4, and this moment, anti-dazzling screen 13 all covered 4 infrared receiving tubes 10, and the output voltage of photoelectric sensor circuit plate 3 is zero.When the pressure of gas-holder raises gradually, manometric spiral tube 16 produces elastic deformation under the effect of pressure, rotate by pressure pointer 14 on gear drive driven gear central shaft 8 and the combined type indicator 5 and anti-dazzling screen 13, when the pressure that pressure pointer 14 shows raises, anti-dazzling screen 13 leaves infrared receiving tube 10 successively, make infrared receiving tube D1, D2, D3, D4 receive the infrared light of infrared transmitting tube 9 emissions successively, the signal voltage of photoelectric sensor circuit plate 3 outputs is the rising of phase step type.When the pressure of gas-holder was raised to ratings, infrared receiving tube D1, D2, D3, D4 all received the infrared light of infrared transmitting tube 9 emissions, and the signal voltage of photoelectric sensor circuit plate 3 outputs this moment is maximum (about 2.2V).When the pressure decline in use of vehicle-mounted gas-holder, the course of work is opposite with said process, and the signal voltage of photoelectric sensor circuit plate 3 outputs phase step type between 2.2V～0V descends.
It below only is preferred embodiment of the present utility model; be not to be used to limit protection domain of the present utility model; therefore, all any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. photoelectric induction type vehicle fuel tensimeter, comprise watchcase (2), be provided with dial (4), combined type indicator (5), spiral tube (16), central gear axis (8), support (1), movement base plate (7) and pillar (6) in the watchcase (2);
It is characterized in that: described combined type indicator (5) is made up of pressure pointer (14), anti-dazzling screen (13) and brace (15), anti-dazzling screen (13) is connected pressure pointer (14) axis client through brace (15), anti-dazzling screen (13) and pressure pointer (14) near normal;
Also be provided with photoelectric sensor circuit plate (3) in the described watchcase (2), pillar (6) is installed on photoelectric sensor circuit plate (3) in the front of movement base plate (7), photoelectric sensor circuit plate (3) is provided with infrared receiving tube (10) and infrared transmitting tube (9), the front end of infrared receiving tube (10) is provided with grating (11), dial (4) places photoelectric sensor circuit plate (3) top and is fixed on the pillar (6), pressure pointer (14) axis client of combined type indicator (5) is installed on the central gear axis (8) by pin cap (12), pressure pointer (14) is positioned at the front of dial (4), anti-dazzling screen (13) the reverse side of dial (4) and be positioned at infrared transmitting tube (9) and grating (11) between.
2. photoelectric induction type vehicle fuel tensimeter according to claim 1, it is characterized in that: the circuit of described photoelectric sensor circuit plate (3) comprises direct supply, resistance, infrared transmitting tube (9), several infrared receiving tubes (10), be connected in series infrared transmitting tube (9) to the dc power cathode end behind dc power anode termination two parallel resistance R5, the R6, the dc power anode end also connects the end of several infrared receiving tubes (10), and output in parallel connects an output port behind the other end series resistor of each infrared receiving tube (10).
3. photoelectric induction type vehicle fuel tensimeter according to claim 2 is characterized in that: described several infrared receiving tubes (10) are circular arc on photoelectric sensor circuit plate (3) arranges, and grating (11) is a circular arc.
4. photoelectric induction type vehicle fuel tensimeter according to claim 3 is characterized in that: described anti-dazzling screen (13) is a circular arc, and anti-dazzling screen (13) circular arc is long corresponding with the circular arc appearance of several infrared receiving tubes (10) arrangement position.
5. according to the described photoelectric induction type vehicle fuel of arbitrary claim tensimeter in the claim 1 to 4, it is characterized in that: described infrared receiving tube (10) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730680 CN203083765U (en) | 2012-12-27 | 2012-12-27 | Photoelectric induction type vehicle gas pressure meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730680 CN203083765U (en) | 2012-12-27 | 2012-12-27 | Photoelectric induction type vehicle gas pressure meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083765U true CN203083765U (en) | 2013-07-24 |
Family
ID=48829590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730680 Expired - Lifetime CN203083765U (en) | 2012-12-27 | 2012-12-27 | Photoelectric induction type vehicle gas pressure meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567015A (en) * | 2020-07-27 | 2021-10-29 | 山东光安智能科技有限公司 | Stress detection device based on hydraulic transmission type fiber bragg grating |
-
2012
- 2012-12-27 CN CN 201220730680 patent/CN203083765U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567015A (en) * | 2020-07-27 | 2021-10-29 | 山东光安智能科技有限公司 | Stress detection device based on hydraulic transmission type fiber bragg grating |
| CN113567015B (en) * | 2020-07-27 | 2023-01-17 | 山东光安智能科技有限公司 | Stress detection device based on hydraulic transmission type fiber bragg grating |
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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 |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |