CN205064104U - Engine pedestal fuel is from protection system - Google Patents
Engine pedestal fuel is from protection system Download PDFInfo
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- CN205064104U CN205064104U CN201520695595.7U CN201520695595U CN205064104U CN 205064104 U CN205064104 U CN 205064104U CN 201520695595 U CN201520695595 U CN 201520695595U CN 205064104 U CN205064104 U CN 205064104U
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- fuel
- control valve
- control circuit
- fuel pressure
- engine
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Abstract
The utility model provides an engine pedestal fuel is from protection system, include: a speed sensor for gathering the rotational speed value of the engine that awaits measuring for gather the fuel pressure sensor of fuel pressure value, control circuit, control circuit's the first signal input with speed sensor's signal output part connects, is used for receiving the rotational speed value, control circuit's the 2nd signal input part with the signal output part of fuel pressure sensor connects, is used for receiving the fuel pressure value, and be used for controlling the electronic control valve that the pipeline was opened or was closed is supplied with to the fuel. The utility model provides an engine pedestal fuel is from protection system can effectively block the fuel supply, drop the loss of laboratory to minimum, simultaneously the system still is provided with alarm device to remind the staff in time to close oil consumption appearance and total fuel tap, protection oil consumption appearance.
Description
Technical field
The utility model relates to automotive engine applications, and particularly a kind of engine pedestal fuel oil is from Protective system
Background technique
In current engine rig test, engine fuel system is generally the part such as fuel consumption meter and fuel oil temperature control system and forms, and itself does not have dangerous discernment function.The leakage of oil of engine oil pipe may be caused when there being and uncertain factor aging with oil pipe in engine test process, owing to there is high-temperature component in engine test process, just can fire hazard if the fuel oil revealed is splashed to high-temperature component, test room is brought about great losses.
Model utility content
The utility model provides a kind of engine pedestal fuel oil from Protective system, its objective is to block fuel oil supply in the engine test stage in time when generation leakage of oil is on fire.
In order to achieve the above object, embodiment of the present utility model provides a kind of engine pedestal fuel oil from Protective system, comprising:
For gathering the speed probe of the tachometer value of motor to be measured, described speed probe is arranged on the engine dynamometer for measuring engine output to be measured;
For gathering the fuel pressure transmitter of fuel pressure value, described fuel pressure transmitter is arranged on the fuel supply pipe between described motor to be measured and fuel consumption meter;
Control circuit, first signal input part of described control circuit is connected with the signal output part of described speed probe, for receiving described tachometer value, the secondary signal input end of described control circuit is connected with the signal output part of described fuel pressure transmitter, for receiving described fuel pressure value; And
For controlling the electronic control valve that described fuel supply pipe is opened or closed, described electronic control valve is arranged on described fuel supply pipe, and the signal input part of described electronic control valve is connected with the first signal output part of described control circuit;
Wherein, the described tachometer value received at described control circuit is more than or equal to rotary speed threshold value, and the described fuel pressure value received is when being more than or equal to pressure threshold, first signal output part of described control circuit exports one and controls signal to described electronic control valve, and described electronic control valve closes described fuel supply pipe according to described control signal.
Wherein, described engine pedestal fuel oil also comprises from Protective system:
For the warning device of reporting to the police, the signal input part of described warning device is connected with the secondary signal output terminal of described controller, the described tachometer value received at described control circuit is more than or equal to rotary speed threshold value, and the described fuel pressure value received is when being more than or equal to pressure threshold, the secondary signal output terminal of described control circuit exports an alarm signal to described warning device, and described warning device is reported to the police.
Wherein, described electronic control valve comprises: control valve body, and the photo coupler be electrically connected with described control valve body respectively and bidirectional triode thyristor.
Further, when described electronic control valve receives described first signal, described bidirectional triode thyristor controls described control valve body and cuts out described fuel supply pipe.
Such scheme of the present utility model has following beneficial effect:
Engine pedestal fuel oil provided by the utility model can effectively block fuel oil supply from Protective system; the loss of test room is down to minimum; described system is also provided with warning device simultaneously, closes fuel consumption meter and total fuel tap in time, protection fuel consumption meter to remind staff.
Accompanying drawing explanation
Fig. 1 is parts constitutional diagram of the present utility model.
Fig. 2 is structural representation of the present utility model.
[description of reference numerals]
1-motor to be measured; 2-power measurer; 3-speed probe; 4-fuel pressure transmitter; 5-fuel supply pipe; 6-control circuit; 7-electronic control valve; 8-fuel consumption meter; 9-warning device.
Embodiment
For making the technical problems to be solved in the utility model, technological scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model, for the problem on fire of engine oil pipe leakage of oil in existing engine test process, provides a kind of engine pedestal fuel oil from Protective system.
As depicted in figs. 1 and 2, embodiment of the present utility model provides a kind of engine pedestal fuel oil from Protective system, comprise: for gathering the speed probe 3 of the tachometer value of motor 1 to be measured, described speed probe 3 is arranged on the engine dynamometer 2 for measuring motor 1 output power to be measured; For gathering the fuel pressure transmitter 4 of fuel pressure value, described fuel pressure transmitter 4 is arranged on the fuel supply pipe 5 between described motor to be measured 1 and fuel consumption meter 8; Control circuit 6, first signal input part of described control circuit 6 is connected with the signal output part of described speed probe 3, for receiving described tachometer value, the secondary signal input end of described control circuit 6 is connected with the signal output part of described fuel pressure transmitter 4, for receiving described fuel pressure value; And for controlling the electronic control valve 7 that described fuel supply pipe 5 is opened or closed, described electronic control valve 7 is arranged on described fuel supply pipe 5, the signal input part of described electronic control valve 7 is connected with the first signal output part of described control circuit 6; Wherein, the described tachometer value received at described control circuit 6 is more than or equal to rotary speed threshold value, and the described fuel pressure value received is when being more than or equal to pressure threshold, first signal output part of described control circuit 6 exports one and controls signal to described electronic control valve 7, and described electronic control valve 7 closes described fuel supply pipe 5 according to described control signal.
Engine pedestal fuel oil described in above-described embodiment of the present utility model controls the timely control of the Switch Controller fuel supply pipe 5 of electronic control valve 7 by stand key protection parameter from Protective system, avoid being worse off, when there is the unusual conditions such as leakage of oil at motor, the supply of effective cut-out fuel oil, makes loss drop to minimum; First by the fuel pressure transmitter 4 of stand and engine rotation speed sensor 3 Access Control circuit 6, fuel pressure generally lower than normal operating pressure 50% time, threshold values trigger; Rotating speed is generally when the tacho signal value that more than engine speed 700r/min is corresponding, and threshold values triggers; When two threshold values trigger simultaneously, the electronic control valve 7 that control circuit 6 controls on fuel supply pipe 5 is closed, and blocks fuel oil supply.
Wherein, described engine pedestal fuel oil also comprises from Protective system: for the warning device 9 of reporting to the police, the signal input part of described warning device 9 is connected with the secondary signal output terminal of described controller, the described tachometer value received at described control circuit 6 is more than or equal to rotary speed threshold value, and the described fuel pressure value received is when being more than or equal to pressure threshold, the secondary signal output terminal of described control circuit 6 exports an alarm signal to described warning device 9, and described warning device 9 is reported to the police.
Engine pedestal fuel oil described in above-described embodiment of the present utility model also comprises a warning device 9 from Protective system; report to the police while valve closing; operator are reminded, also personnel can be reminded to carry out valid function at the leakage initial stage, protection fuel consumption meter 8.
Wherein, described electronic control valve 7 comprises: control valve body, and the photo coupler be electrically connected with described control valve body respectively and bidirectional triode thyristor.
Further, when described electronic control valve 7 receives described first signal, described bidirectional triode thyristor controls described control valve body and cuts out described fuel supply pipe 5.
Electronic control valve 7 described in above-described embodiment of the present utility model is actually an electronic valve control circuit 6, primarily of MOC3023 photo coupler, BTA16 controllable silicon and electronic control valve 7 composition, its task be pilot pressure and rotating speed in limited range, whether described bidirectional triode thyristor works to electronic valve controls.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. engine pedestal fuel oil is from a Protective system, it is characterized in that, comprising:
For gathering the speed probe of the tachometer value of motor to be measured, described speed probe is arranged on the engine dynamometer for measuring engine output to be measured;
For gathering the fuel pressure transmitter of fuel pressure value, described fuel pressure transmitter is arranged on the fuel supply pipe between described motor to be measured and fuel consumption meter;
Control circuit, first signal input part of described control circuit is connected with the signal output part of described speed probe, for receiving described tachometer value, the secondary signal input end of described control circuit is connected with the signal output part of described fuel pressure transmitter, for receiving described fuel pressure value; And
For controlling the electronic control valve that described fuel supply pipe is opened or closed, described electronic control valve is arranged on described fuel supply pipe, and the signal input part of described electronic control valve is connected with the first signal output part of described control circuit; Wherein, the described tachometer value received at described control circuit is more than or equal to rotary speed threshold value, and the described fuel pressure value received is when being more than or equal to pressure threshold, first signal output part of described control circuit exports one and controls signal to described electronic control valve, and described electronic control valve closes described fuel supply pipe according to described control signal.
2. engine pedestal fuel oil according to claim 1 is from Protective system, it is characterized in that, described engine pedestal fuel oil also comprises from Protective system:
For the warning device of reporting to the police, the signal input part of described warning device is connected with the secondary signal output terminal of described controller, the described tachometer value received at described control circuit is more than or equal to rotary speed threshold value, and the described fuel pressure value received is when being more than or equal to pressure threshold, the secondary signal output terminal of described control circuit exports an alarm signal to described warning device, and described warning device is reported to the police.
3. engine pedestal fuel oil according to claim 1 is from Protective system, it is characterized in that, described electronic control valve comprises: control valve body, and the photo coupler be electrically connected with described control valve body respectively and bidirectional triode thyristor.
4. engine pedestal fuel oil according to claim 3 is from Protective system, it is characterized in that, when described electronic control valve receives described first signal, described bidirectional triode thyristor controls described control valve body and cuts out described fuel supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695595.7U CN205064104U (en) | 2015-09-09 | 2015-09-09 | Engine pedestal fuel is from protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695595.7U CN205064104U (en) | 2015-09-09 | 2015-09-09 | Engine pedestal fuel is from protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064104U true CN205064104U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520695595.7U Active CN205064104U (en) | 2015-09-09 | 2015-09-09 | Engine pedestal fuel is from protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120601A (en) * | 2017-12-20 | 2018-06-05 | 华中科技大学 | A kind of alcohol consumes instrument fuel-flow control system |
| CN113959720A (en) * | 2021-09-30 | 2022-01-21 | 东风商用车有限公司 | Oil supply test system for vehicle engine and oil supply test monitoring method for vehicle engine |
-
2015
- 2015-09-09 CN CN201520695595.7U patent/CN205064104U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120601A (en) * | 2017-12-20 | 2018-06-05 | 华中科技大学 | A kind of alcohol consumes instrument fuel-flow control system |
| CN113959720A (en) * | 2021-09-30 | 2022-01-21 | 东风商用车有限公司 | Oil supply test system for vehicle engine and oil supply test monitoring method for vehicle engine |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |