CN105466507A - Simple oil consumption tester - Google Patents
Simple oil consumption tester Download PDFInfo
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- CN105466507A CN105466507A CN201510817463.1A CN201510817463A CN105466507A CN 105466507 A CN105466507 A CN 105466507A CN 201510817463 A CN201510817463 A CN 201510817463A CN 105466507 A CN105466507 A CN 105466507A
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- Prior art keywords
- triode
- voltage stabilizing
- stabilizing chip
- resistance
- pole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a simple oil consumption tester characterized by comprising a one-chip microcomputer, an oil consumption sensor, a stabilized voltage supply module, a display, a keyboard, a wireless transmission unit and a network port all connected with the one-chip microcomputer. With the wireless transmission unit, a data line is unnecessary and an oil consumption detection signal can be transmitted an external computer, so wired connection complicatedness and limitation can be avoided; meanwhile, the network port is provided and connected with the external computer via the data line, so wireless and wired transmission methods can be employed at the same time and applicability of the simple oil consumption tester can be increased; and with the stabilized voltage supply module, stable work voltage can be guaranteed for the tester and effects on testing precision by fluctuations of voltage can be avoided.
Description
Technical field
The present invention relates to a kind of fuel consumption tester, specifically refer to a kind of simple and easy fuel consumption tester.
Background technology
Fuel consumption meter is the important detecting instrument weighing motor vehicle economic performance, power performance, is the necessary detecting instrument of automobile, tractor manufacturing, agricultural machinery safety supervision department and scientific research department.The fuel consumption tester used at present, must be connected the transmission that just can complete test data, test curve with computer with data line.And tester is connected with computer continually, greatly have impact on the work efficiency of tester.Meanwhile, traditional fuel consumption tester complex structure cost is high, is unfavorable for extensive popularization.
Summary of the invention
The object of the invention is to overcome existing fuel consumption tester inefficiency, baroque defect, a kind of simple and easy fuel consumption tester is provided.
Object of the present invention is achieved through the following technical solutions: a kind of simple and easy fuel consumption tester, and by single-chip microcomputer, the fuel consume sensor be all connected with single-chip microcomputer, power module of voltage regulation, display, keyboard, wireless transmission unit and network interface form, described power module of voltage regulation is by triode VT1, triode VT2, voltage stabilizing chip U, positive pole is connected with the emitter of triode VT1, the polar capacitor C1 of minus earth, one end is connected with the IN pin of voltage stabilizing chip U, the resistance R1 that the other end is then connected with the base stage of triode VT1, positive pole is connected with the collector of triode VT1 after resistance R6, the electric capacity C3 that negative pole is then connected with the ADJ pin of voltage stabilizing chip U, the electric capacity C2 be in parallel with resistance R6, one end is connected with the ADJ pin of voltage stabilizing chip U, the resistance R4 of other end ground connection, one end is connected with the emitter of triode VT2, the resistance R3 that the other end is then connected with the ADJ pin of voltage stabilizing chip U, one end is connected with the collector of triode VT2, the other end then forms the resistance R5 of the output terminal of this power module of voltage regulation, P pole is connected with the ADJ pin of voltage stabilizing chip U, the diode D1 that N pole is then connected with the base stage of triode VT2 after diode D2, one end is connected with the OUT pin of voltage stabilizing chip U, the resistance R2 that the other end is then connected with the N pole of diode D1, and N pole is connected with the OUT pin of voltage stabilizing chip U, the diode D3 that P pole is then connected with the collector of triode VT2 forms, the described OUT pin of voltage stabilizing chip U is all connected with the positive pole of electric capacity C3 with the collector of triode VT2, the base stage of described triode VT1 then forms the input end of this power module of voltage regulation, the output terminal of described power module of voltage regulation is connected with single-chip microcomputer.
In order to reach better implementation result, described voltage stabilizing chip U is preferably LM317K integrated chip, and triode VT1 and triode VT2 is then all preferably MJ4502 type triode and realizes.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) the present invention can not need data line oil consumption detection signal can be transferred to outside computing machine by wireless transmission unit, avoids complicacy and the limitation of wired connection.
(2) the present invention is also provided with network interface simultaneously, and this network interface can be connected with outer computer by data line, and therefore the present invention can adopt wireless and wired two kinds of transmission modes simultaneously, improves its applicability.
(3) the present invention is provided with power module of voltage regulation, and it can guarantee that the present invention has stable operating voltage, avoids voltage fluctuation and affects its measuring accuracy.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present invention.
Fig. 2 is the circuit structure diagram of power module of voltage regulation of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, simple and easy fuel consumption tester of the present invention, by single-chip microcomputer, the fuel consume sensor be all connected with single-chip microcomputer, power module of voltage regulation, display, keyboard, wireless transmission unit and network interface form.
Wherein, fuel consume sensor is arranged in engine oil tank, for gathering the fuel consumption information of engine and being transferred to single-chip microcomputer, its DYP/DS1309 type fuel consume sensor preferentially adopting Shenzhen civil power Ying Pu Science and Technology Ltd. to produce, the fuel consume sensor of this model has the temperature compensation range of-40 ~ 80 DEG C, can use under the various states of engine, and there is very high sensitivity.
Single-chip microcomputer is as control center of the present invention, and it is for processing fuel consumption information and controlling other module, and it preferably adopts arm processor to realize.Display is used for showing oil consumption test result intuitively.Keyboard is then as human-computer exchange window, and tester can arrange test parameter by keyboard to single-chip microcomputer.This wireless transmission unit then for the fuel consumption parameters collected is sent to outer computer in a wireless form, avoids complicacy and the limitation of wired connection, and it can adopt bluetooth to realize.This network interface can be connected with outer computer by data line, and to computing machine transmission fuel consumption information, it can use under the operating mode needing wired connection.
In addition, this power module of voltage regulation is used for providing stable working power to other module, and its structure as shown in Figure 2, by triode VT1, triode VT2, voltage stabilizing chip U, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, diode D1, diode D2, diode D3, polar capacitor C1, electric capacity C2 and electric capacity C3 form.
During connection, the positive pole of polar capacitor C1 is connected with the emitter of triode VT1, its minus earth, one end of resistance R1 is connected with the IN pin of voltage stabilizing chip U, its other end is then connected with the base stage of triode VT1, the positive pole of electric capacity C3 is connected with the collector of triode VT1 after resistance R6, its negative pole is then connected with the ADJ pin of voltage stabilizing chip U, electric capacity C2 is then in parallel with resistance R6, electric capacity C2 and resistance R6 then forms a RC wave filter thus, and it can carry out filtering process to input voltage.
In addition, one end of resistance R4 is connected with the ADJ pin of voltage stabilizing chip U, its other end ground connection, one end of resistance R3 is connected with the emitter of triode VT2, its other end is then connected with the ADJ pin of voltage stabilizing chip U, one end of resistance R5 is connected with the collector of triode VT2, its other end then forms the output terminal of this power module of voltage regulation, the P pole of diode D1 is connected with the ADJ pin of voltage stabilizing chip U, its N pole is then connected with the base stage of triode VT2 after diode D2, one end of resistance R2 is connected with the OUT pin of voltage stabilizing chip U, its other end is then connected with the N pole of diode D1, the N pole of diode D3 is connected with the OUT pin of voltage stabilizing chip U, its P pole is then connected with the collector of triode VT2.
The described OUT pin of voltage stabilizing chip U is all connected with the positive pole of electric capacity C3 with the collector of triode VT2.The base stage of described triode VT1 then forms the input end of this power module of voltage regulation.The output terminal of described power module of voltage regulation is connected with single-chip microcomputer.In order to the implementation result reached, this voltage stabilizing chip U is preferably LM317K integrated chip, and described triode VT1 and triode VT2 is then all preferably MJ4502 type triode and realizes.
As mentioned above, just well the present invention can be implemented.
Claims (3)
1. a simple and easy fuel consumption tester, is characterized in that: by single-chip microcomputer, the fuel consume sensor be all connected with single-chip microcomputer, power module of voltage regulation, display, keyboard, wireless transmission unit and network interface form, described power module of voltage regulation is by triode VT1, triode VT2, voltage stabilizing chip U, positive pole is connected with the emitter of triode VT1, the polar capacitor C1 of minus earth, one end is connected with the IN pin of voltage stabilizing chip U, the resistance R1 that the other end is then connected with the base stage of triode VT1, positive pole is connected with the collector of triode VT1 after resistance R6, the electric capacity C3 that negative pole is then connected with the ADJ pin of voltage stabilizing chip U, the electric capacity C2 be in parallel with resistance R6, one end is connected with the ADJ pin of voltage stabilizing chip U, the resistance R4 of other end ground connection, one end is connected with the emitter of triode VT2, the resistance R3 that the other end is then connected with the ADJ pin of voltage stabilizing chip U, one end is connected with the collector of triode VT2, the other end then forms the resistance R5 of the output terminal of this power module of voltage regulation, P pole is connected with the ADJ pin of voltage stabilizing chip U, the diode D1 that N pole is then connected with the base stage of triode VT2 after diode D2, one end is connected with the OUT pin of voltage stabilizing chip U, the resistance R2 that the other end is then connected with the N pole of diode D1, and N pole is connected with the OUT pin of voltage stabilizing chip U, the diode D3 that P pole is then connected with the collector of triode VT2 forms, the described OUT pin of voltage stabilizing chip U is all connected with the positive pole of electric capacity C3 with the collector of triode VT2, the base stage of described triode VT1 then forms the input end of this power module of voltage regulation, the output terminal of described power module of voltage regulation is connected with single-chip microcomputer.
2. the simple and easy fuel consumption tester of one according to claim 1, is characterized in that: described voltage stabilizing chip U is LM317K integrated chip.
3. the simple and easy fuel consumption tester of one according to claim 1, is characterized in that: described triode VT1 and triode VT2 is MJ4502 type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817463.1A CN105466507A (en) | 2015-11-20 | 2015-11-20 | Simple oil consumption tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817463.1A CN105466507A (en) | 2015-11-20 | 2015-11-20 | Simple oil consumption tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105466507A true CN105466507A (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510817463.1A Withdrawn CN105466507A (en) | 2015-11-20 | 2015-11-20 | Simple oil consumption tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN105466507A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132419A (en) * | 1994-09-14 | 1996-10-02 | 中国科学院物理研究所 | Multifunctional high-low voltage power supply with continuously adjustable frequency, voltage and waveform |
| CN2435872Y (en) * | 2000-06-07 | 2001-06-20 | 北京市丽日办公用品有限责任公司 | Teaching safety power supply |
| US20100325049A1 (en) * | 2009-06-18 | 2010-12-23 | NL Giken Incorporated | Run efficiency measuring system, a vehicle and a certificate |
| CN203100795U (en) * | 2013-03-26 | 2013-07-31 | 淄博赛格电子有限公司 | Portable power oil consumption tester |
-
2015
- 2015-11-20 CN CN201510817463.1A patent/CN105466507A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132419A (en) * | 1994-09-14 | 1996-10-02 | 中国科学院物理研究所 | Multifunctional high-low voltage power supply with continuously adjustable frequency, voltage and waveform |
| CN2435872Y (en) * | 2000-06-07 | 2001-06-20 | 北京市丽日办公用品有限责任公司 | Teaching safety power supply |
| US20100325049A1 (en) * | 2009-06-18 | 2010-12-23 | NL Giken Incorporated | Run efficiency measuring system, a vehicle and a certificate |
| CN203100795U (en) * | 2013-03-26 | 2013-07-31 | 淄博赛格电子有限公司 | Portable power oil consumption tester |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20160406 |