CN207600375U - Electronic throttle full close position maintains condition checkout gear - Google Patents
Electronic throttle full close position maintains condition checkout gear Download PDFInfo
- Publication number
- CN207600375U CN207600375U CN201721891991.2U CN201721891991U CN207600375U CN 207600375 U CN207600375 U CN 207600375U CN 201721891991 U CN201721891991 U CN 201721891991U CN 207600375 U CN207600375 U CN 207600375U
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- electronic throttle
- full close
- close position
- controller
- detected
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- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses a kind of electronic throttle full close positions to maintain condition checkout gear, the detection device includes housing and operation panel, hull outside is provided with and the matched rubber female of the line trap of electronic throttle to be detected, Switching Power Supply is provided in housing and by sending out control instruction to electronic throttle to be detected and receiving controller of the location information of position sensor for electronic throttle valve return to judge whether the maintenance state of electronic throttle full close position meets the requirements, the rubber female passes through the signal end of conducting wire and controller and connects；Master switch and normal indicator light and malfunction indicator lamp for showing whether electronic throttle to be detected meet the requirements are provided on the operation panel.The utility model can accurately obtain electronic throttle full close position and maintain whether the difference of state lower disc change in location is consistent with desired changing value range, so that it is determined that whether the duty ratio pwm signal can reduce energy consumption on the basis of control effect is met.
Description
Technical field
The utility model is related to automobile exhaust gas recirculating system detection technique field, particularly a kind of detection electronic throttle
The device of state is maintained in full close position.
Background technology
Air throttle is one of controllable valve that air is controlled to enter engine, and gas can be with gasoline, bavin after entering air inlet pipe
Oil is mixed into combustion mixture, so as to work by combustion.Air throttle is traditionally divided into mechanical and two kinds of electronic throttle, mechanically
Air throttle passes through drag-line（Stone dead wire）Or pull rod connect with gas pedal and is worked, electronic throttle then mainly passes through solar term
Energy needed for the signal combination engine of door position sensor feedback automatically controls the opening angle of air throttle, so as to adjust
The size of air inflow.So far, due to the raising of levels of emissions, mechanical throttle does not adapt to higher and higher row
The requirement of regulation is put, and there is power consumption in electronic throttle, can be reduced in the case where not losing control effect certain
Power consumption just seem and be highly desirable.
Full close position needs the pwm signal of certain duty ratio that control motor is gone to maintain this shape for electronic throttle
State, but in this fully closed state of maintenance electronic throttle, power consumption can be reduced by reducing duty ratio；For having given
During the desired duty ratio pwm signal of final maintenance electronic throttle full-shut position, just it is required to know electronics section at this time
Whether valve meets the requirements in the pwm signal lower disc amplitude of fluctuation of specified duty ratio, if valve block variation cannot be met the requirements,
So the duty ratio pwm signal just needs to change, and otherwise can not just meet control requirement.But due to the variation angle of valve block
Area requirement very little, human eye are not enough to accurately judge very much, and can not provide judgment criteria, then just need an equipment
It can accurately measure whether electronic throttle meets this requirement, and judge as a result, so that testing staff can be visually seen
Testing result.
Invention content
There is provided a kind of electronic throttle full close position maintenance states for the utility model technical issues that need to address
Detection device maintains state lower disc change in location in order to which testing staff can accurately obtain electronic throttle full close position
Whether difference is consistent with desired changing value range, so that it is determined that whether the duty ratio pwm signal can meet control effect
On the basis of reduce energy consumption.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
Electronic throttle full close position maintains condition checkout gear, including mutually equipped housing and operation panel, the shell
External side be provided with the matched rubber female of the line trap of electronic throttle to be detected, be provided with Switching Power Supply in housing
And by send out control instruction to electronic throttle to be detected and receive position sensor for electronic throttle valve return position believe
The controller to judge whether the maintenance state of electronic throttle full close position meets the requirements is ceased, the rubber female passes through conducting wire
It is connect with the signal end of controller；The master switch of starting switch power work is provided on the operation panel and for showing
The normal indicator light and malfunction indicator lamp whether electronic throttle to be detected meets the requirements.
Above-mentioned electronic throttle full close position maintains condition checkout gear, is also embedded with and is used to indicate on the operation panel
The needle dc voltmeter of pwm signal voltage that controller is sent out to electronic throttle to be detected, needle dc voltmeter are attempted by rubber
The motor of glue female just bears wire connection terminal both ends with motor.
Above-mentioned electronic throttle full close position maintains condition checkout gear, and the detection device sets two groups of sense channels,
Every group of sense channel, which has, all includes a controller, Switching Power Supply, normal indicator light, malfunction indicator lamp and needle dc voltmeter,
The relay for starting the road sense channel is additionally provided in the sense channel, one end of relay coil is with being arranged on
Branch switch connection on operation panel, the other end connecting valve power supply of relay coil, the normally opened contact connection of relay
The controlled end of controller.
Above-mentioned electronic throttle full close position maintains condition checkout gear, and two groups of inspections of switching are provided on the operation panel
The switching push button and the digital voltmeter for intuitive display switch power supply output services voltage value for surveying channel power supply state.
Above-mentioned electronic throttle full close position maintains condition checkout gear, is additionally provided with and each detection on the operation panel
The extended terminal that controller output end in channel is connected.
As a result of above technical scheme, technological progress acquired by the utility model is as follows.
Electronic throttle and detection device are established contact by the utility model by plug, are turned on the switch with regard to that can control electronics
Air throttle makes valve block be in full close position, the state of the automatic data for detecting valve block position and the maintenance of automatic decision valve block, and
Whether the electronic throttle of displaying detection meets the requirements in the form of indicator light, so as to which testing staff be enable intuitively and accurately to obtain
It obtains electronic throttle full close position and maintains whether the difference of state lower disc change in location is consistent with desired changing value range, from
And determine that whether the duty ratio pwm signal can reduce energy consumption on the basis of control effect is met, and avoid because deliberately reducing energy
It consumes and leads to happening for control effect variation, the good working state of effective guarantee electronic throttle.
Description of the drawings
Fig. 1 shows for detection device described in the utility model with connection structure of the electronic throttle to be detected under detection state
It is intended to；
Fig. 2 is the electrical principle block diagram inside detection device described in the utility model；
Fig. 3 is the operating board structure schematic diagram of detection device described in the utility model.
Wherein：1. detection device, 11. master switch, 12. branch switches, 13. normal indicator lights, 14. malfunction indicator lamp, 15.
Needle dc voltmeter, 16. digital voltmeters, 17. switching push buttons, 18. extended terminals, 2. electronic throttles, 21. direct current generators,
22. gear set, 23. valve blocks, 24. return springs, 25. Hall sensors, 3. Switching Power Supplies, 4. relays, 5. controllers.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.
A kind of electronic throttle full close position maintains condition checkout gear, including mutually equipped housing and operation panel, shell
External side is provided with rubber female, and rubber female is matched with the line trap of electronic throttle to be detected, is used to implement signal
Transmission between detection device and electronic throttle to be detected, the signal of transmission were both sent to electricity to be detected including detection device
The signal of sub- throttle valve drive motor action, the position sensor feedback also including electronic throttle to be detected is to detection device
Return signal.
Be provided with Switching Power Supply 3 and controller 5 in housing, Switching Power Supply is powered for device in order to control, controller pass through to
Electronic throttle to be detected sends out control instruction, and receives the location information of position sensor for electronic throttle valve return, to judge
Whether the maintenance state of electronic throttle full close position meets the requirements.Rubber female is connected by the signal end of conducting wire and controller
It connects, is used for transmission signal.
Master switch 11, normal indicator light 13, malfunction indicator lamp 14 and needle dc voltmeter 15 are provided on operation panel, such as
Shown in Fig. 3.Wherein master switch 11 works for starting switch power supply 3, and normal indicator light 13 and malfunction indicator lamp 14 are used to show
Whether electronic throttle to be detected meets the requirements, and the motor that needle dc voltmeter 15 is attempted by rubber female just bears wiring with motor
Terminal both ends are used to indicate the pwm signal voltage that controller is sent out to electronic throttle to be detected.
To improve detection efficiency, the detection device of the utility model is provided with two groups of sense channels, and every group of sense channel has
All include a controller, Switching Power Supply, normal indicator light 13, malfunction indicator lamp 14 and needle dc voltmeter 15.This practicality is new
Type is additionally provided with the relay 4 for starting sense channel, one end of relay coil and the branch being arranged on operation panel
12 connection of switch, the other end connecting valve power supply of relay coil, the controlled end of the normally opened contact connection controller of relay,
As shown in Figure 2.After branch switch is opened, relay obtains electric, and further trigger controller enters working condition, then this detection is logical
It starts to work in road.
Digital voltmeter 16 and switching push button 17 are also provided on the operation panel of the utility model, digital voltmeter 16 is used
The operating voltage value that Switching Power Supply exports in intuitively display sense channel, switching push button 17 lead to for switching the detection of display
Road.
Certainly, two needle dc voltmeters of the utility model can also be used to the PWM of two sense channel output of monitoring
Whether signal coincide, and when misfitting, operating personnel can be handled in time.
In addition, extended terminal 18 is also provided on the operation panel of the utility model, in extended terminal and each sense channel
Controller output end be connected, correspondingly, controller has also reserved programming interface, so as to program upgrade.Meanwhile detection device
There are also operating mistake detection function, such as：It is combined to judge whether harness has loose contact or be not plugged with controller
Problem occurs, and can remind testing staff so as to be further reduced the mistake of test.
The detection method of the utility model is：First, by the line trap connecting detection device of electronic throttle with treating
Detect electronic throttle；Secondly, master switch is opened, then opens any one branch switch, hereafter detection device can be automatic defeated
Go out a pwm signal compared with big space rate and control motor movement so that electronic throttle is rapidly reached full close position, maintains one section
After time, detection device handles, and record valve block at this time the Hall sensor return signal of electronic throttle to be detected
Position data；Then, the duty ratio of pwm signal is gradually reduced, until the duty ratio that the duty ratio of pwm signal is target, is maintained
For a period of time, the signal that detection device returns to Hall sensor at this time is handled and records valve block position data；Finally will
The data recorded twice are handled and do difference and given range is required to compare, and judge the electronic throttle of this time detection
Whether meet the requirements, when data fit requires, qualified indicator light is lighted, and illustrates that electronic throttle to be detected is qualified；Work as data
When undesirable, malfunction indicator lamp is lighted, and illustrates that electronic throttle to be detected is unqualified.Disconnection branch is opened after completing test
It closes, return spring control valve block returns to initial position.
Claims (5)
1. electronic throttle full close position maintains condition checkout gear, it is characterised in that：Including mutually equipped housing and operating surface
Plate, the hull outside are provided with and the matched rubber female of the line trap of electronic throttle to be detected, the interior setting of housing
There is Switching Power Supply（3）And by sending out control instruction to electronic throttle to be detected and receiving position sensor for electronic throttle valve
The location information of return is to judge controller that whether the maintenance state of electronic throttle full close position meets the requirements（5）, it is described
Rubber female is connected by the signal end of conducting wire and controller；Starting switch power supply is provided on the operation panel（3）Work
Master switch（11）And for showing normal indicator light that whether electronic throttle to be detected meets the requirements（13）Refer to failure
Show lamp（14）.
2. electronic throttle full close position according to claim 1 maintains condition checkout gear, it is characterised in that：The behaviour
Make also to be embedded on panel and be used to indicate the pointer voltage of pwm signal voltage that controller is sent out to electronic throttle to be detected
Table（15）, needle dc voltmeter（15）The motor for being attempted by rubber female just bears wire connection terminal both ends with motor.
3. electronic throttle full close position according to claim 2 maintains condition checkout gear, it is characterised in that：The inspection
It surveys device and two groups of sense channels is set, every group of sense channel has all comprising a controller, Switching Power Supply, normal indicator light
（13）, malfunction indicator lamp（14）And needle dc voltmeter（15）, it is additionally provided in the sense channel to start road inspection
Survey the relay of channel（4）, one end of relay coil and the branch switch being arranged on operation panel（12）Connection, relay
The other end connecting valve power supply of coil, the controlled end of the normally opened contact connection controller of relay.
4. electronic throttle full close position according to claim 3 maintains condition checkout gear, it is characterised in that：The behaviour
Make to be provided with the switching push button for switching two groups of sense channel power supply states on panel（17）With it is defeated for intuitive display switch power supply
Go out the digital voltmeter of operating voltage value（16）.
5. electronic throttle full close position according to claim 3 maintains condition checkout gear, it is characterised in that：The behaviour
Make to be additionally provided with the extended terminal being connected with the controller output end in each sense channel on panel（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891991.2U CN207600375U (en) | 2017-12-29 | 2017-12-29 | Electronic throttle full close position maintains condition checkout gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891991.2U CN207600375U (en) | 2017-12-29 | 2017-12-29 | Electronic throttle full close position maintains condition checkout gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600375U true CN207600375U (en) | 2018-07-10 |
Family
ID=62769228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721891991.2U Active CN207600375U (en) | 2017-12-29 | 2017-12-29 | Electronic throttle full close position maintains condition checkout gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207600375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883860A (en) * | 2017-12-29 | 2018-04-06 | 无锡隆盛科技股份有限公司 | Electronic throttle full close position maintains condition checkout gear and method |
-
2017
- 2017-12-29 CN CN201721891991.2U patent/CN207600375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883860A (en) * | 2017-12-29 | 2018-04-06 | 无锡隆盛科技股份有限公司 | Electronic throttle full close position maintains condition checkout gear and method |
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