CN205028180U - System for control engine bench test discharges temperature - Google Patents
System for control engine bench test discharges temperature Download PDFInfo
- Publication number
- CN205028180U CN205028180U CN201520808596.8U CN201520808596U CN205028180U CN 205028180 U CN205028180 U CN 205028180U CN 201520808596 U CN201520808596 U CN 201520808596U CN 205028180 U CN205028180 U CN 205028180U
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- engine
- controller
- contactor
- sensor
- temperature
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Abstract
The utility model relates to a system for control engine bench test discharges temperature belongs to the experimental supporting technical field of engine. The utility model discloses a system for control engine bench test discharges temperature, the high -definition stereoscopic video driver comprises a power source, a controller, the normally open contact of the rela, provided is a contactor, cooling device, the sensor, the signal output part and the controller of sensor are connected, controller receiving sensor detects laggard row operation of signal and then control relay that the engine discharged the temperature, the action of opening and shutting of contactor, cooling device opens the motion control that opens and shuts who stops by the contactor, when having solved current engine rig test to the high -speed big load condition of engine, arouse the emission high temperature, lack measures such as detection and cooling, the problem that leads to ternary catalysis inefficacy, the utility model discloses a system automation degree is high, and control is accurate, has guaranteed engine rig test's normal operating.
Description
Technical field
The utility model relates to a kind of system controlling engine rig test exhaust temperature, belongs to vehicle motor test corollary apparatus technical field.
Background technology
In engine rig test process, need to carry out bench test to the various operating modes of engine, when engine is in the running of high speed high load working condition, the exhaust temperature of engine can sharply raise, when exhaust temperature exceedes the tolerance range of three-way catalytic converter, three-way catalytic converter will be caused to lose efficacy, as everyone knows, catalyzer in three-way catalytic converter must be heated to uniform temperature and just have oxidation or reducing power, the initiation temperature of usual catalytic converter is at 250-350 DEG C, normal working temperature is generally at 350-700 DEG C, when temperature is more than 850-1000 DEG C, its internally coated catalyzer comes off possibly, carrier is cracked, three-way catalytic converter is caused to lose efficacy, therefore, need when engine carries out engine bench test, the exhaust temperature of engine is detected in real time, need to take certain cooling measure after temperature exceedes certain numerical value, ensure the normal operation of engine rig test.
Utility model content
When the purpose of this utility model is to solve available engine bench test to high engine speeds high load working condition, cause exhaust temperature too high, lack the measures such as detection and cooling, cause the problem that three-element catalytic lost efficacy, and then a kind of system controlling engine rig test exhaust temperature is provided.
The technical solution of the utility model:
A kind of system controlling engine rig test exhaust temperature, comprise power supply, controller, relay, contactor, cooling device, sensor, the signal output part of sensor is connected with controller, controller receiving sensor detects the opening and closing movement of the laggard row operation of signal of engine exhaust temperature and then pilot relay, contactor, and the start and stop of cooling device are controlled by the opening and closing movement of contactor.
As to further restriction of the present utility model, one end of described relay is electrically connected with the output terminal of described controller, and the other end of described relay is electrically connected with described contactor.
As to further restriction of the present utility model, described cooling device is axial flow blower.
As to further restriction of the present utility model, described sensor is thermocouple temperature sensor.
The utility model has following beneficial effect: the utility model detects the exhaust temperature of engine by sensor, and by signal transmission to controller, computing and judgement is carried out by controller, and then the adhesive of pilot relay and disconnection, relay is electrically connected with contactor, and then the adhesive of control contactor and disconnection, by the opening and closing action of contactor, the start and stop of cooling device are controlled, the utility model adopts axial flow blower to cool engine exhaust temperature, structure is simple, and good cooling results; Sensor adopts thermocouple temperature sensor, and be quick on the draw, precision is high; The utility model can detect the exhaust temperature of engine in real time, and when engine exhaust temperature is too high, automatically can start the exhaust temperature that axial flow blower reduces engine, native system automaticity is high, precise control, ensures the normal operation of engine rig test.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment control system;
1-engine in figure, 2-controller, 3-relay, 4-contactor, 5-cooling device, 6-sensor.
Embodiment
Below with reference to accompanying drawing, the utility model is described in detail.
Shown in composition graphs 1, the system of the control engine rig test exhaust temperature that the present embodiment provides, comprise power supply, controller 2, relay 3, contactor 4, cooling device 5, sensor 6, preferably, the power supply that this control system adopts is 380 volts of three-phase alternating-current supplies, the running of cooling device 5 provides electric energy by three-phase alternating-current supply, the circuit connecting cooling device 5 is provided with contactor 4, contactor 4 is electrically connected with one end of relay 3, adhesive and the disconnection action of contactor 4 are controlled by relay 3, the other end of relay 3 is electrically connected with the output terminal of controller 2, the electric signal that adhesive and the disconnection of relay 3 are exported by controller 2 controls, sensor 6 is for detecting the exhaust temperature of engine 1, and signal transmission is carried out computing to controller 2.
As preferably, the cooling device 5 of the present embodiment adopts axial flow blower to cool engine exhaust temperature, and it has simple, the easy for installation and advantages such as good cooling results of structure.Certainly, above-mentioned axial flow blower is only a kind of preferred version of cooling device 5, specifically be not limited thereto, those skilled in the art can make according to actual needs and adjusting targetedly, and these adjust pointedly all without the need to spending creative work just can obtain.
As preferably, the sensor 6 of the present embodiment adopts thermocouple temperature sensor, and it has and is quick on the draw, and precision high, adopts thermocouple temperature sensor that the reaction of a whole set of control system can be made sensitiveer.Certainly, the sensor of detected temperatures has a lot, just illustrates no longer one by one here.
The System Working Principle controlling engine rig test exhaust temperature is as follows:
When engine carries out bench test, sensor is placed in the exhaust position place of engine, the exhaust temperature of sensor to engine detects in real time, and signal is passed to controller in real time, the signal of controller receiving sensor, and by the signal received with in controller in advance people be that the maximum temperature numerical value set carries out computing and compares, the signal numerical value received when controller is less than predetermined maximum temp numerical value in controller, then the output terminal of controller is without electric signal, relay and contactor all in off-state, cooling device not electricly do not carry out work; The signal numerical value received when controller is greater than predetermined maximum temp numerical value in controller, then the output terminal of controller exports electric signal, and relay obtains electric adhesive, and then control contactor obtains electric adhesive, cooling device also work is carried out in electric startup, the exhaust position of engine is lowered the temperature; Sensor detects the exhaust temperature of engine in real time, and by signal transmission to controller, carry out judgement computing by controller, repeat above-mentioned determining step incessantly, circulation like this realizes lowering the temperature with timely to the real-time detection of engine exhaust temperature, ensures the normal operation of engine rig test.
The exemplary illustration of above embodiment just to this patent, does not limit its protection domain, and those skilled in the art can also change, as long as no the Spirit Essence exceeding this patent, in the protection domain of this patent its local.
Claims (4)
1. one kind controls the system of engine rig test exhaust temperature, it is characterized in that, comprise power supply, controller (2), relay (3), contactor (4), cooling device (5), sensor (6), the signal output part of sensor (6) is connected with controller (2), controller (2) receiving sensor (6) detects the laggard row operation of signal and then the pilot relay (3) of engine (1) exhaust temperature, the opening and closing movement of contactor (4), the start and stop of cooling device (5) are controlled by the opening and closing movement of contactor (4).
2. a kind of system controlling engine rig test exhaust temperature according to claim 1, it is characterized in that, one end of described relay (3) is electrically connected with the output terminal of described controller (2), and the other end of described relay (3) is electrically connected with described contactor.
3. a kind of system controlling engine rig test exhaust temperature according to claim 1 and 2, is characterized in that, described cooling device (5) is axial flow blower.
4. a kind of system controlling engine rig test exhaust temperature according to claim 1 and 2, is characterized in that, described sensor (6) is thermocouple temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808596.8U CN205028180U (en) | 2015-10-13 | 2015-10-13 | System for control engine bench test discharges temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808596.8U CN205028180U (en) | 2015-10-13 | 2015-10-13 | System for control engine bench test discharges temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205028180U true CN205028180U (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520808596.8U Expired - Fee Related CN205028180U (en) | 2015-10-13 | 2015-10-13 | System for control engine bench test discharges temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205028180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147025A (en) * | 2020-09-28 | 2020-12-29 | 东风汽车集团有限公司 | Automatic control system for engine exhaust cold and hot impact fan |
| CN112327802A (en) * | 2020-10-29 | 2021-02-05 | 南京众控电子科技有限公司 | Automatic measurement and control platform of fuel engine |
-
2015
- 2015-10-13 CN CN201520808596.8U patent/CN205028180U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147025A (en) * | 2020-09-28 | 2020-12-29 | 东风汽车集团有限公司 | Automatic control system for engine exhaust cold and hot impact fan |
| CN112327802A (en) * | 2020-10-29 | 2021-02-05 | 南京众控电子科技有限公司 | Automatic measurement and control platform of fuel engine |
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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: 20160210 Termination date: 20191013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |