CN104848907A - Engine fuel consumption measuring system based on trigger booster circuit - Google Patents
Engine fuel consumption measuring system based on trigger booster circuit Download PDFInfo
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- CN104848907A CN104848907A CN201510172341.1A CN201510172341A CN104848907A CN 104848907 A CN104848907 A CN 104848907A CN 201510172341 A CN201510172341 A CN 201510172341A CN 104848907 A CN104848907 A CN 104848907A
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Abstract
The invention discloses an engine fuel consumption measuring system based on a trigger booster circuit. The engine fuel consumption measuring system is composed of a single-chip microcomputer (1), a measured power platform, a measured engine, a measuring and control instrument (4), a power analyzer (2), an accelerator driver (5), a motor controller (3), a fuel signal collection system (6) and a two-stage low-pass filtering amplification processing system (7), wherein the measured engine is arranged on the measured power platform; the measuring and control instrument (4) and the power analyzer (2) are connected with the single-chip microcomputer (1); the accelerator driver (5) is connected with the measuring and control instrument (4); the motor controller (3) is connected with the power analyzer (2); the fuel signal collection system (6) is connected with the measured engine; the two-stage low-pass filtering amplification processing system (7) is connected with the fuel signal collection system (6). The engine fuel consumption measuring system is characterized in that the trigger booster circuit (8) is further arranged between the two-stage low-pass filtering amplification processing system (7) and the single-chip microcomputer (1). The engine fuel consumption measuring system can stably perform booster processing on voltage while processing a fuel signal, and therefore the situation that signal distortion is caused by voltage instability in the processing process, so the authenticity of fuel consumption measurement is affected is avoided.
Description
Technical field
The present invention relates to Engine Block Test field, specifically referring to a kind of engine consumption detection system based on triggering booster circuit.
Background technology
People improve constantly the reliability of automobile, the requirement of the aspect such as security and green, and engine is as the heart component of automobile, its technical merit directly has influence on the performance index such as its dynamic property, economy and discharge, and the frequency of engine breakdown is also the highest.And engine performance test is the Main Means judging condition of the engine quality, be also the important content of automotive check and maintenance job, therefore engine performance measuring is more and more subject to people's attention.In addition, fuel consumption is the important indicator of engine evaluated economy, is one of important measurement parameter of engine.Therefore the measurement of fuel consumption is the important component part of engine performance test, and its measuring accuracy directly affects engine actual performance index, every technical parameter is determined and the apolegamy of main accessories and adjustment etc.But the measuring accuracy of traditional engine fuel test macro is not high, this just brings very large difficulty to engine performance assessment.Therefore, a kind of high-precision engine fuel test macro is provided to be then the current task of top priority of people.
Summary of the invention
The object of the invention is to overcome the defect that the measuring accuracy of traditional engine consumption test macro is not high, a kind of engine consumption detection system based on triggering booster circuit is provided.
Object of the present invention is achieved through the following technical solutions: a kind of engine consumption detection system based on triggering booster circuit, primarily of single-chip microcomputer, tested power platform, and the tested engine be arranged on tested power platform, the measurement and control instrument be connected with single-chip microcomputer and power analyzer, the accelerator drive instrument be connected with measurement and control instrument, the electric machine controller be connected with power analyzer, the fuel oil signal acquiring system be connected with tested engine, and the two-stage low-pass filtering be connected with fuel oil signal acquiring system is amplified disposal system and is formed; This measurement and control instrument is also connected with tested engine; Amplify between disposal system and single-chip microcomputer in two-stage low-pass filtering and be also provided with triggering booster circuit.
Described triggering booster circuit is by control chip U1, triode VT8, triode VT9, P pole is connected with the SEN pin of control chip U1, the N pole then diode D9 of ground connection after resistance R13 and electric capacity C7 in turn, one end is connected with the VO2 pin of control chip U1, the resistance R14 that the other end is connected with the N pole of diode D9, one end is connected with the N pole of diode D9, the inductance L 1 that the other end is connected with the SWCO pin of control chip U1, be serially connected in the inductance L 2 between the VO2 pin of control chip U1 and SWCO pin, P pole is connected with the SWCO pin of control chip U1, N pole is as the diode D10 of circuit output end, positive pole is connected with the TICP pin of control chip U1, the electric capacity C8 of ground connection while negative pole is connected with the GND pin of control chip U1, positive pole is connected with the N pole of diode D10 after resistance R17, the electric capacity C9 that negative pole is connected with the base stage of triode VT8 after resistance R16, and one end is connected with the VCC pin of control chip U1, the resistance R15 that the other end is connected with the emitter of triode VT8 after resistance R12 forms, the grounded collector of described triode VT8, the base stage of triode VT9 is connected with the SWEM pin of control chip U1, emitter is connected with the SWCO pin of control chip U1, collector is connected with the positive pole of electric capacity C9, and the CII pin of described control chip U1 is connected with the negative pole of electric capacity C9.
Further, described two-stage low-pass filtering amplifies disposal system by two-stage low-pass filtering amplifying circuit, and the output circuit be connected with two-stage low-pass filtering amplifying circuit forms.
Described two-stage low-pass filtering amplifying circuit is by amplifier P2, amplifier P3, triode VT5, triode VT6, triode VT7, bidirectional thyristor D4, negative pole is connected with the positive pole of amplifier P2, positive pole after resistance R8 as the electric capacity C1 of circuit input end, one end is connected with the collector of triode VT5, the resistance R9 of other end ground connection after resistance R10, P pole is connected with the control pole of bidirectional thyristor D4, the diode D5 that N pole is connected with the base stage of triode VT6 after electric capacity C2, positive pole is connected with the emitter of triode VT6, the electric capacity C3 of minus earth, P pole is connected with the emitter of triode VT6, the voltage stabilizing diode D6 that N pole is connected with the base stage of triode VT7, one end is connected with the collector of triode VT7, the resistance R11 that the other end is connected with the output terminal of amplifier P3, negative pole is connected with the emitter of triode VT7, the electric capacity C5 that positive pole is connected with the output terminal of amplifier P3, and positive pole is connected with the positive pole of amplifier P3, the electric capacity C4 that negative pole is connected with the output terminal of amplifier P3 forms, the base stage of described triode VT5 is connected with the tie point of electric capacity C1 with resistance R8, emitter is connected with the first anode of bidirectional thyristor D4, the second anode of bidirectional thyristor D4 is connected with the collector of triode VT6, minus earth, the output terminal of amplifier P2 are connected with the tie point of resistance R10 and the N pole of diode D5 with resistance R9 simultaneously, and the negative pole of amplifier P3 is connected with the collector of triode VT6, output terminal is connected with output circuit.
Described output circuit comprises process chip U, diode D7, diode D8, electric capacity C6, field effect transistor Q; The P pole of described diode D7 is connected with the output terminal of amplifier P3, N pole is connected with the VCC pin of process chip U, the N pole of diode D8 is with the LOG pin of process chip U and I/O pin is connected, P pole ground connection, the positive pole of electric capacity C6 is connected with the KA pin of process chip U, negative pole is connected with the P pole of diode D8, and the grid of field effect transistor Q is connected with the HOG pin of process chip U, grounded drain, source electrode are connected with the VS pin of process chip U; The IS pin of described process chip U and DT pin are all simultaneously with the P pole of diode D7 and the output terminal of amplifier P3 is connected, GND pin ground connection.
Described fuel oil signal acquiring system is by flow sensor, triode VT1, triode VT2, triode VT3, triode VT4, amplifier P1, P pole is connected with the output terminal of flow sensor, the N pole then diode D1 of ground connection after resistance R1 and resistance R2 in turn, one end is connected with the P pole of diode D1, the resistance R4 that the other end is connected with the positive pole of amplifier P1, N pole is connected with the positive pole of amplifier P1, the voltage stabilizing diode D2 of P pole ground connection, P pole is connected with the positive pole of amplifier P1 after resistance R7, the diode D3 that N pole is connected with the emitter of triode VT4, and one end is connected with the base stage of triode VT2, the resistance R3 that the other end is connected with the base stage of triode VT3 after resistance R6 through resistance R5 in turn forms, the base stage of described triode VT1 is connected with the tie point of resistance R2 with resistance R1, emitter is connected with the emitter of triode VT2, collector is connected with the base stage of triode VT2, the collector of triode VT2 is connected with the tie point of resistance R6 with resistance R5, emitter is connected with the collector of triode VT3, the emitter of triode VT3 is all connected with the collector of triode VT4 with base stage, and the negative pole of amplifier P1 is connected with the collector of triode VT2, output terminal is connected with the base stage of triode VT4.
Described process chip U is PM2020A integrated circuit.
Described flow sensor is V4OEM series oil consumption flow sensor.
Described field effect transistor Q is technotron, and control chip U1 is then MC34063A integrated circuit.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) collecting efficiency of fuel oil signal acquiring system of the present invention to fuel oil signal is high, is swift in response.
(2) the present invention can carry out boosting process to voltage stably when processing fuel oil signal, avoids signal to cause distortion because of spread of voltage in processing procedure, affects the authenticity that oil consumption detects.
(3) the present invention carries out the power input that can't increase system when boosting process to voltage, saves energy consumption.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is triggering boost circuit structure schematic diagram of the present invention;
Fig. 3 is that two-stage low-pass filtering of the present invention amplifies disposal system electrical block diagram;
Fig. 4 is fuel oil signal acquiring system electrical block diagram of the present invention.
Reference numeral name in above accompanying drawing is called:
1-single-chip microcomputer, 2-power analyzer, 3-electric machine controller, 4-measurement and control instrument, 5-accelerator drive instrument, 6-fuel oil signal acquiring system, 7-two-stage low-pass filtering amplifies disposal system, 8-trigger booster circuit.
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, the present invention includes tested power platform, be fixed on the tested engine on tested power platform.In order to detect the oil consumption of tested engine, the present invention also includes single-chip microcomputer 1, the measurement and control instrument 4 be connected with single-chip microcomputer 1 and power analyzer 2, the accelerator drive instrument 5 be connected with measurement and control instrument 4, the electric machine controller 3 be connected with power analyzer 2, the fuel oil signal acquiring system 6 be connected with tested engine, the two-stage low-pass filtering be connected with fuel oil signal acquiring system 6 amplifies disposal system 7, and amplifies with two-stage low-pass filtering the triggering booster circuit 8 that disposal system 7 is connected.This triggering booster circuit 8 is connected with single-chip microcomputer 1 by RS232 connection, and this measurement and control instrument 4 is also connected with tested engine.
Wherein, single-chip microcomputer 1 is as control of the present invention, analytic system, electric machine controller 3 is for controlling the start and stop of tested engine, power analyzer 2 is for detecting the output power of tested engine, accelerator drive instrument 5 for providing fuel oil for tested engine, and is shown by measurement and control instrument 4 and controls its fuel delivery amount.Fuel oil signal acquiring system 6 is for gathering the fuel flow signal of tested engine, this fuel flow signal is after two-stage low-pass filtering is amplified disposal system 7 and triggered the process of booster circuit 8, flow to single-chip microcomputer 1 by RS232 connection, then calculated by single-chip microcomputer 1 according to the fuel consume of fuel flow signal to tested engine and show.
As shown in Figure 4, described fuel oil signal acquiring system 6 is by the flow sensor be arranged on tested engine oil inlet pipe, triode VT1, triode VT2, triode VT3, triode VT4, amplifier P1, P pole is connected with the output terminal of flow sensor, the N pole then diode D1 of ground connection after resistance R1 and resistance R2 in turn, one end is connected with the P pole of diode D1, the resistance R4 that the other end is connected with the positive pole of amplifier P1, N pole is connected with the positive pole of amplifier P1, the voltage stabilizing diode D2 of P pole ground connection, P pole is connected with the positive pole of amplifier P1 after resistance R7, the diode D3 that N pole is connected with the emitter of triode VT4, and one end is connected with the base stage of triode VT2, the resistance R3 that the other end is connected with the base stage of triode VT3 after resistance R6 through resistance R5 in turn forms.The base stage of described triode VT1 is connected with the tie point of resistance R2 with resistance R1, emitter is connected with the emitter of triode VT2, collector is connected with the base stage of triode VT2, the collector of triode VT2 is connected with the tie point of resistance R6 with resistance R5, emitter is connected with the collector of triode VT3, the emitter of triode VT3 is all connected with the collector of triode VT4 with base stage, and the negative pole of amplifier P1 is connected with the collector of triode VT2, output terminal is connected with the base stage of triode VT4; The collector of described triode VT4 is as the output terminal of circuit.The tie point of resistance R3 and resistance R5 then connects 5V voltage.
When starting tested engine, fuel oil then can be transported to the firing chamber of tested engine from oil inlet pipe, and at this moment flow sensor then can detect the operational throughput of fuel oil and it is changed into the output of corresponding electric signal.In order to better implement the present invention, this flow sensor is preferably the V4OEM series oil consumption flow sensor of Shanghai Ci Xi instrument and meter company limited, and its maximum error is ± 1%.
As shown in Figure 3, two-stage low-pass filtering amplifies disposal system 7 by two-stage low-pass filtering amplifying circuit, and the output circuit be connected with two-stage low-pass filtering amplifying circuit forms.
Two-stage low-pass filtering amplifying circuit wherein can carry out filter amplifying processing to fuel oil signal, it is by amplifier P2, amplifier P3, triode VT5, triode VT6, triode VT7, bidirectional thyristor D4, negative pole is connected with the positive pole of amplifier P2, positive pole after resistance R8 as the electric capacity C1 of circuit input end, one end is connected with the collector of triode VT5, the resistance R9 of other end ground connection after resistance R10, P pole is connected with the control pole of bidirectional thyristor D4, the diode D5 that N pole is connected with the base stage of triode VT6 after electric capacity C2, positive pole is connected with the emitter of triode VT6, the electric capacity C3 of minus earth, P pole is connected with the emitter of triode VT6, the voltage stabilizing diode D6 that N pole is connected with the base stage of triode VT7, one end is connected with the collector of triode VT7, the resistance R11 that the other end is connected with the output terminal of amplifier P3, negative pole is connected with the emitter of triode VT7, the electric capacity C5 that positive pole is connected with the output terminal of amplifier P3, and positive pole is connected with the positive pole of amplifier P3, the electric capacity C4 that negative pole is connected with the output terminal of amplifier P3 forms.The base stage of described triode VT5 is connected with the tie point of electric capacity C1 with resistance R8, emitter is connected with the first anode of bidirectional thyristor D4, the second anode of bidirectional thyristor D4 is connected with the collector of triode VT6, minus earth, the output terminal of amplifier P2 are connected with the tie point of resistance R10 and the N pole of diode D5 with resistance R9 simultaneously, and the negative pole of amplifier P3 is connected with the collector of triode VT6, output terminal is connected with output circuit.
Described output circuit comprises process chip U, diode D7, diode D8, electric capacity C6, field effect transistor Q.During connection, the P pole of diode D7 is connected with the output terminal of amplifier P3, N pole is connected with the VCC pin of process chip U, the N pole of diode D8 is with the LOG pin of process chip U and I/O pin is connected, P pole ground connection, the positive pole of electric capacity C6 is connected with the KA pin of process chip U, negative pole is connected with the P pole of diode D8, and the grid of field effect transistor Q is connected with the HOG pin of process chip U, grounded drain, source electrode are connected with the VS pin of process chip U.The IS pin of described process chip U and DT pin are all simultaneously with the P pole of diode D7 and the output terminal of amplifier P3 is connected, GND pin ground connection, VS pin is as the output terminal of circuit.In order to better implement the present invention, this process chip U is preferably PM2020A integrated circuit, and field effect transistor Q is then technotron.
Triggering booster circuit 8 is emphasis place of the present invention, as shown in Figure 2, it is by control chip U1, triode VT8, triode VT9, P pole is connected with the SEN pin of control chip U1, the N pole then diode D9 of ground connection after resistance R13 and electric capacity C7 in turn, one end is connected with the VO2 pin of control chip U1, the resistance R14 that the other end is connected with the N pole of diode D9, one end is connected with the N pole of diode D9, the inductance L 1 that the other end is connected with the SWCO pin of control chip U1, be serially connected in the inductance L 2 between the VO2 pin of control chip U1 and SWCO pin, P pole is connected with the SWCO pin of control chip U1, N pole is as the diode D10 of circuit output end, positive pole is connected with the TICP pin of control chip U1, the electric capacity C8 of ground connection while negative pole is connected with the GND pin of control chip U1, positive pole is connected with the N pole of diode D10 after resistance R17, the electric capacity C9 that negative pole is connected with the base stage of triode VT8 after resistance R16, and one end is connected with the VCC pin of control chip U1, the resistance R15 that the other end is connected with the emitter of triode VT8 after resistance R12 forms, the grounded collector of described triode VT8, the base stage of triode VT9 is connected with the SWEM pin of control chip U1, emitter is connected with the SWCO pin of control chip U1, collector is connected with the positive pole of electric capacity C9, and the CII pin of described control chip U1 is connected with the negative pole of electric capacity C9.The tie point of resistance R12 and resistance R15 is as the input end of circuit.When fuel consumption detection system processes fuel oil signal, this triggering booster circuit 8 can carry out boosting process to voltage stably, avoids signal to cause distortion because of spread of voltage in processing procedure, affects the authenticity that oil consumption detects.This control chip U1 is then preferably MC34063A integrated circuit and realizes.
As mentioned above, just well the present invention can be realized.
Claims (9)
1. the engine consumption detection system based on triggering booster circuit, primarily of single-chip microcomputer (1), tested power platform, and the tested engine be arranged on tested power platform, the measurement and control instrument (4) be connected with single-chip microcomputer (1) and power analyzer (2), the accelerator drive instrument (5) be connected with measurement and control instrument (4), the electric machine controller (3) be connected with power analyzer (2), the fuel oil signal acquiring system (6) be connected with tested engine, and the two-stage low-pass filtering to be connected with fuel oil signal acquiring system (6) is amplified disposal system (7) and is formed, this measurement and control instrument (4) is also connected with tested engine, it is characterized in that, be also provided with between two-stage low-pass filtering amplification disposal system (7) and single-chip microcomputer (1) and trigger booster circuit (8),
Described triggering booster circuit (8) is by control chip U1, triode VT8, triode VT9, P pole is connected with the SEN pin of control chip U1, the N pole then diode D9 of ground connection after resistance R13 and electric capacity C7 in turn, one end is connected with the VO2 pin of control chip U1, the resistance R14 that the other end is connected with the N pole of diode D9, one end is connected with the N pole of diode D9, the inductance L 1 that the other end is connected with the SWCO pin of control chip U1, be serially connected in the inductance L 2 between the VO2 pin of control chip U1 and SWCO pin, P pole is connected with the SWCO pin of control chip U1, N pole is as the diode D10 of circuit output end, positive pole is connected with the TICP pin of control chip U1, the electric capacity C8 of ground connection while negative pole is connected with the GND pin of control chip U1, positive pole is connected with the N pole of diode D10 after resistance R17, the electric capacity C9 that negative pole is connected with the base stage of triode VT8 after resistance R16, and one end is connected with the VCC pin of control chip U1, the resistance R15 that the other end is connected with the emitter of triode VT8 after resistance R12 forms, the grounded collector of described triode VT8, the base stage of triode VT9 is connected with the SWEM pin of control chip U1, emitter is connected with the SWCO pin of control chip U1, collector is connected with the positive pole of electric capacity C9, and the CII pin of described control chip U1 is connected with the negative pole of electric capacity C9.
2. a kind of engine consumption detection system based on triggering booster circuit according to claim 1, it is characterized in that: described two-stage low-pass filtering amplifies disposal system (7) by two-stage low-pass filtering amplifying circuit, and the output circuit be connected with two-stage low-pass filtering amplifying circuit forms.
3. a kind of engine consumption detection system based on triggering booster circuit according to claim 2, it is characterized in that: described two-stage low-pass filtering amplifying circuit is by amplifier P2, amplifier P3, triode VT5, triode VT6, triode VT7, bidirectional thyristor D4, negative pole is connected with the positive pole of amplifier P2, positive pole after resistance R8 as the electric capacity C1 of circuit input end, one end is connected with the collector of triode VT5, the resistance R9 of other end ground connection after resistance R10, P pole is connected with the control pole of bidirectional thyristor D4, the diode D5 that N pole is connected with the base stage of triode VT6 after electric capacity C2, positive pole is connected with the emitter of triode VT6, the electric capacity C3 of minus earth, P pole is connected with the emitter of triode VT6, the voltage stabilizing diode D6 that N pole is connected with the base stage of triode VT7, one end is connected with the collector of triode VT7, the resistance R11 that the other end is connected with the output terminal of amplifier P3, negative pole is connected with the emitter of triode VT7, the electric capacity C5 that positive pole is connected with the output terminal of amplifier P3, and positive pole is connected with the positive pole of amplifier P3, the electric capacity C4 that negative pole is connected with the output terminal of amplifier P3 forms, the base stage of described triode VT5 is connected with the tie point of electric capacity C1 with resistance R8, emitter is connected with the first anode of bidirectional thyristor D4, the second anode of bidirectional thyristor D4 is connected with the collector of triode VT6, minus earth, the output terminal of amplifier P2 are connected with the tie point of resistance R10 and the N pole of diode D5 with resistance R9 simultaneously, and the negative pole of amplifier P3 is connected with the collector of triode VT6, output terminal is connected with output circuit.
4. a kind of engine consumption detection system based on triggering booster circuit according to claim 3, is characterized in that: described output circuit comprises process chip U, diode D7, diode D8, electric capacity C6, field effect transistor Q; The P pole of described diode D7 is connected with the output terminal of amplifier P3, N pole is connected with the VCC pin of process chip U, the N pole of diode D8 is with the LOG pin of process chip U and I/O pin is connected, P pole ground connection, the positive pole of electric capacity C6 is connected with the KA pin of process chip U, negative pole is connected with the P pole of diode D8, and the grid of field effect transistor Q is connected with the HOG pin of process chip U, grounded drain, source electrode are connected with the VS pin of process chip U; The IS pin of described process chip U and DT pin are all simultaneously with the P pole of diode D7 and the output terminal of amplifier P3 is connected, GND pin ground connection.
5. a kind of engine consumption detection system based on triggering booster circuit according to claim 4, it is characterized in that: described fuel oil signal acquiring system (6) is by flow sensor, triode VT1, triode VT2, triode VT3, triode VT4, amplifier P1, P pole is connected with the output terminal of flow sensor, the N pole then diode D1 of ground connection after resistance R1 and resistance R2 in turn, one end is connected with the P pole of diode D1, the resistance R4 that the other end is connected with the positive pole of amplifier P1, N pole is connected with the positive pole of amplifier P1, the voltage stabilizing diode D2 of P pole ground connection, P pole is connected with the positive pole of amplifier P1 after resistance R7, the diode D3 that N pole is connected with the emitter of triode VT4, and one end is connected with the base stage of triode VT2, the resistance R3 that the other end is connected with the base stage of triode VT3 after resistance R6 through resistance R5 in turn forms, the base stage of described triode VT1 is connected with the tie point of resistance R2 with resistance R1, emitter is connected with the emitter of triode VT2, collector is connected with the base stage of triode VT2, the collector of triode VT2 is connected with the tie point of resistance R6 with resistance R5, emitter is connected with the collector of triode VT3, the emitter of triode VT3 is all connected with the collector of triode VT4 with base stage, and the negative pole of amplifier P1 is connected with the collector of triode VT2, output terminal is connected with the base stage of triode VT4.
6. a kind of engine consumption detection system based on triggering booster circuit according to claim 4 or 5, is characterized in that: described process chip U is PM2020A integrated circuit.
7. a kind of engine consumption detection system based on triggering booster circuit according to claim 5, is characterized in that: described flow sensor is V4OEM series oil consumption flow sensor.
8. a kind of engine consumption detection system based on triggering booster circuit according to claim 5, is characterized in that: described field effect transistor Q is technotron.
9. a kind of engine consumption detection system based on triggering booster circuit according to any one of Claims 1 to 5, is characterized in that: described control chip U1 is MC34063A integrated circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510172341.1A CN104848907A (en) | 2015-04-13 | 2015-04-13 | Engine fuel consumption measuring system based on trigger booster circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510172341.1A CN104848907A (en) | 2015-04-13 | 2015-04-13 | Engine fuel consumption measuring system based on trigger booster circuit |
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| CN104848907A true CN104848907A (en) | 2015-08-19 |
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| CN201510172341.1A Withdrawn CN104848907A (en) | 2015-04-13 | 2015-04-13 | Engine fuel consumption measuring system based on trigger booster circuit |
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| JPH05142174A (en) * | 1991-11-22 | 1993-06-08 | Mitsubishi Motors Corp | Component discharge value estimating apparatus for exhaust gas |
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| CN101493351A (en) * | 2008-01-22 | 2009-07-29 | 卞宝文 | Automobile oil consumption metering device |
| CN104410301A (en) * | 2014-11-26 | 2015-03-11 | 成都创图科技有限公司 | High-power trigger booster circuit based on phase shifting |
| CN104467697A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | Linear drive based bias current source amplifier system |
| CN104467438A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | High-power triggering and boosting circuit based on linear driving |
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2015
- 2015-04-13 CN CN201510172341.1A patent/CN104848907A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05142174A (en) * | 1991-11-22 | 1993-06-08 | Mitsubishi Motors Corp | Component discharge value estimating apparatus for exhaust gas |
| CN2581947Y (en) * | 2002-12-31 | 2003-10-22 | 朱金良 | Oil consumption recording analyzer for diesel locomotive |
| CN201130097Y (en) * | 2007-12-10 | 2008-10-08 | 广西玉柴机器股份有限公司 | Removable engine test desk rack |
| CN101493351A (en) * | 2008-01-22 | 2009-07-29 | 卞宝文 | Automobile oil consumption metering device |
| CN104410301A (en) * | 2014-11-26 | 2015-03-11 | 成都创图科技有限公司 | High-power trigger booster circuit based on phase shifting |
| CN104467697A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | Linear drive based bias current source amplifier system |
| CN104467438A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | High-power triggering and boosting circuit based on linear driving |
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