CN206539448U - A kind of vehicle and its preheating device - Google Patents
A kind of vehicle and its preheating device Download PDFInfo
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- CN206539448U CN206539448U CN201720107913.2U CN201720107913U CN206539448U CN 206539448 U CN206539448 U CN 206539448U CN 201720107913 U CN201720107913 U CN 201720107913U CN 206539448 U CN206539448 U CN 206539448U
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- engine
- preheating
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- vehicle
- control unit
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Abstract
The utility model discloses a kind of vehicle and its preheating device, the vehicle preheating device includes pre- thermal element；Control unit of engine；The vehicle preheating device also includes：Circuit signal detector, its test side electrically connects the pre- thermal element, and output end electrically connects the control unit of engine, for detecting the current signal of the pre- thermal element in real time and the current signal being conveyed into the control unit of engine；The control unit of engine is used to export alarm command in the case of reaching that preheating given threshold can receive the current signal；And alarm, it electrically connects the control unit of engine, the alarm command for receiving the control unit of engine output, to send pre-warning signal.The utility model can be by detecting the current signal of pre- thermal element in real time, judge pre- thermal element when preheating reaches that preheating given threshold remains able to the current signal for receiving preheating relay, send pre-warning signal, the dangerous failure of pre-heating system of driver vehicle is reminded in time, can so prevent preheating improper caused dangerous.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of vehicle and its preheating device.
Background technology
Under the overall situation that automobile becomes increasingly popular, when winter or relatively low spring and autumn morning temperature, vehicle launch difficulty or nothing
Method starts, and most vehicle is provided with preheating device.At present, the preheating device of in the market typically by detection intake air temperature or
Engine water temperature controls the opening of preheating device, still, and existing this method causes the probability for burning car higher, not only to car
Cause damage, security, the security of human pilot also to cargo propose acid test.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art drawbacks described above at least one
It is individual.
Utility model content
The purpose of this utility model is to provide a kind of vehicle preheating device to overcome or at least mitigate the upper of prior art
State at least one in defect.
To achieve the above object, the utility model provides a kind of vehicle preheating device, and the vehicle preheating device includes：In advance
Thermal element；Control unit of engine；The vehicle preheating device also includes：Circuit signal detector, its test side electrical connection institute
Pre- thermal element is stated, output end electrically connects the control unit of engine, the current signal for detecting the pre- thermal element in real time
And the current signal is conveyed to the control unit of engine；The control unit of engine is used to reach preheating setting
Threshold value exports alarm command in the case of can receiving the current signal；And alarm, it electrically connects the engine control
Unit processed, the alarm command for receiving the control unit of engine output, to send pre-warning signal.
Further, the pre- thermal element includes：Preheating relay；Charge heating plug, it electrically connects the preheating relay
Device；The test side of the circuit signal detector is connected between the charge heating plug and the preheating relay, to detect
Current signal when the charge heating plug is connected with the preheating relay.
Further, the alarm is instrument alarm, and it connects the engine by vehicle-mounted CAN bus and controls list
Member.
Further, the preheating given threshold includes the first setting time threshold value；The control unit of engine includes：
Timer, it is used for the duration signal for detecting the current signal after preheating reaches given threshold；Comparator, it is connected
The first setting time threshold value is pre-seted in the timer, the comparator, and for receiving the duration signal,
And compared the duration signal with the first setting time threshold value；And output unit, it connects the comparator, uses
In in the case of the duration signal is less than the first setting time threshold value, the alarm is controlled to send parking
Pre-warning signal.
Further, the preheating given threshold also includes the second setting time threshold value, and it is preset in the comparator
Interior, the second setting time threshold value is more than the first setting time threshold value；When the comparator is additionally operable to described continue
Between signal compared with the second setting time threshold value；The output unit is also connected with the control end of engine, for described
In the case of duration signal is less than the second setting time threshold value, the engine reduction output torque and control are controlled
Make the alarm and send corresponding pre-warning signal.
Further, the vehicle preheating device also includes：Preheating current source master switch, its one end electrically connects the engine
The output unit of control unit, the second end is connected electrically in the preheating relay, and the 3rd end and the 4th end are electrically connected power supply
Positive pole and negative pole；The output unit is additionally operable to reach the feelings of the second setting time threshold value in the duration signal
Under shape, control the preheating current source master switch to disconnect and control the alarm to send corresponding pre-warning signal.
Further, the preheating given threshold also includes the first design temperature threshold value, and it is preset in the comparator
It is interior；The vehicle preheating device also includes：First temperature sensor, it electrically connects the control unit of engine, for detecting
The temperature of engine refrigerating fluid；The comparator is also connected with first temperature sensor, and described mechanism cold is started for receiving
Liquid temperature signal, and relatively more described engine refrigerating fluid temperature signal and the first design temperature threshold value；With the output unit also
For reaching the first design temperature threshold value in the engine refrigerating fluid temperature signal and the electric current can be received
Alarm command is exported in the case of signal.
Further, the preheating given threshold also includes the second design temperature threshold value, and it is preset in the comparator
It is interior；The vehicle preheating device also includes：Second temperature sensor, it electrically connects the control unit of engine, for detecting
The intake air temperature of engine；The comparator is also connected with the second temperature sensor, for receiving the intake air temperature, and compares
The intake air temperature and the second design temperature threshold value；It is additionally operable to believe in the engine refrigerating fluid temperature with the output unit
Number reach the second design temperature threshold value and export alarm command in the case of the current signal can be received.
The utility model also provides a kind of vehicle, and the vehicle includes vehicle preheating device as described above.
The utility model can judge that pre- thermal element reaches in preheating and set by detecting the current signal of pre- thermal element in real time
In the case of determining threshold value and remain able to receive the current signal of pre- thermal element, pre-warning signal is sent, driver's car is reminded in time
The dangerous failure of pre-heating system, be so conducive to driver to take measures in time, can prevent preheating it is improper caused by
It is dangerous.
The utility model is applied to have environment temperature and starts the Diesel engine limited and be equipped with this engine
Automobile.
Brief description of the drawings
Fig. 1 is the principle schematic diagram for the preferred embodiment of vehicle preheating device one that the utility model is supplied to.
Fig. 2 is the structural representation for the preferred embodiment of vehicle preheating device one that the utility model is supplied to.
Fig. 3 is the principle schematic of the control unit of engine in Fig. 1.
Reference：
| 1 | Preheating relay | 2 | Control unit of engine |
| 3 | Circuit signal detector | 4 | Alarm |
| 5 | Preheating current source master switch | 6 | First temperature sensor |
| 7 | Second temperature sensor | 8 | Charge heating plug |
| 9 | Power supply | 10 | Engine |
| 11 | Insurance | 21 | Timer |
| 22 | Comparator | 23 | Output unit |
Embodiment
In the accompanying drawings, same or similar element is represented or with same or like function using same or similar label
Element.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are based on orientation shown in the drawings or position
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model protection domain
Limitation.
As depicted in figs. 1 and 2, the vehicle preheating device that the present embodiment is provided includes pre- thermal element, engine control list
First (abbreviation ECM control unit of engine) 2, circuit signal detector 3 and alarm 4, wherein：The inspection of circuit signal detector 3
Survey end and electrically connect pre- thermal element, the output end electrical connection control unit of engine 2 of circuit signal detector 3, circuit signal detection
Device 3 is used to detect the current signal of pre- thermal element in real time and the current signal is conveyed into control unit of engine 2.Engine
Control unit 2 is used to export alarm command in the case of reaching that preheating given threshold can receive the current signal.Report
The alert electrical connection of device 4 control unit of engine 2, the alarm command for receiving the output of control unit of engine 2, to send early warning letter
Number.Alarm 4 can be the instrument alarm that the sound and/or light crossing-signal or vehicle newly established are carried in itself, instrument
Alarm connects control unit of engine 2 by vehicle-mounted CAN bus.
The present embodiment can judge preheating relay in preheating by detecting the work feedback signal of preheating relay in real time
In the case of reaching that given threshold remains able to the work feedback signal for receiving preheating relay, pre-warning signal is sent, in time
The dangerous failure of pre-heating system of driver vehicle is reminded, is so conducive to driver to take measures in time, can prevent pre-
It is dangerous caused by heat is improper.
In one embodiment, the pre- thermal element includes preheating relay 1 and charge heating plug 8, the electricity of charge heating plug 8
Connect preheating relay 1.The test side of circuit signal detector 3 is connected between charge heating plug 8 and preheating relay 1, with
Current signal when detection charge heating plug 8 is connected with preheating relay 1.Substantially, circuit signal detector 3 can be electric current
Detector or voltage detector, can also be a wire, and one end of the wire is overlapped on charge heating plug 8 and pre-
Between electrothermal relay 1, the other end is connected to control unit of engine 2, the break-make of the main circuit by detecting gas heater plug 8 in real time
To gather current signal, and current signal is supplied to control unit of engine 2, is that control unit of engine 2 is preheated to vehicle
It is whether proper there is provided basis for estimation.
As shown in figure 3, in one embodiment, the preheating given threshold includes the first setting time threshold value, such as 30
Second.Control unit of engine 2 includes timer 21, comparator 22 and output unit 23, wherein：
Timer 21 is used for the duration signal for detecting the current signal after preheating reaches given threshold.Comparator
The first setting time threshold value is pre-seted in 22 connection timers 21, comparator 22, and for receiving the output of timer 21
Duration signal, and the duration signal is compared with the first setting time threshold value.The connection of output unit 23 ratio
Compared with device 22, in the case of the duration signal is less than the first setting time threshold value, stopping to the output of alarm 4
The alarm command of car, to control alarm 4 to send the pre-warning signal of parking, to remind driver to stop immediately, closes vehicle
Circuit.
In one embodiment, the preheating given threshold also includes the second setting time threshold value, the second setting time threshold
Value can be such as 60 seconds, be preset in comparator 22, and the second setting time threshold value is more than first setting time
Threshold value；
Comparator 22 is additionally operable to be compared the duration signal with the second setting time threshold value.Output unit 23
The control end of engine 10 is also connected with, the situation for being less than the second setting time threshold value in the duration signal
Under, the instruction of reduction moment of torsion is exported respectively to alarm 4 and engine 10, to control engine 10 to reduce output torque and control
Alarm 4 processed sends corresponding pre-warning signal.Specifically, if the duration signal reaches the first setting time threshold value,
Driver does not still make accordingly, is less than in the duration signal in the second setting time threshold value, engine control
The control drop moment of torsion of engine 10 of unit 2, reduces power output, vehicle speed is simultaneously with reduction, while alarm 4 is exported automatically
Driver vehicle is reminded to enter the pre-warning signal that drop turns round control.
As shown in Fig. 2 in one embodiment, the vehicle preheating device also includes preheating current source master switch 5, pre- thermoelectricity
One end of source master switch 5 electrically connects the output unit 23 of control unit of engine 2, and the second end is connected electrically in preheating relay 1, the
Three ends and the 4th end are electrically connected the positive pole and negative pole of power supply 9.When preheating current source master switch 5 is closed, power supply 9 can be preheating
Power supply.Output unit 23 is additionally operable in the case of the duration signal reaches the second setting time threshold value, control
Preheating current source master switch 5 disconnects and controls alarm 4 to send corresponding pre-warning signal.If that is, when described lasting
Between signal meet or exceed the second setting time threshold value, vehicle does not stop yet, the output control signal of control unit of engine 2
The power supply 9 of vehicle is disconnected, stopped as bulk supply, therefore vehicle spontaneous combustion danger generation can be avoided.
As shown in figure 3, in one embodiment, the preheating given threshold also includes the first design temperature threshold value, first
Design temperature threshold preset is put in comparator 22.The vehicle preheating device also includes the first temperature sensor 6, the first temperature
Sensor 6 electrically connects control unit of engine 2, the temperature for detecting engine refrigerating fluid.Comparator 22 is also connected with described
One temperature sensor 6, for receiving the engine refrigerating fluid temperature signal, and relatively more described engine refrigerating fluid temperature signal
With the first design temperature threshold value.Output unit 23 is additionally operable to reach first setting in the engine refrigerating fluid temperature signal
Temperature threshold and alarm command is exported in the case of the current signal can be received.The embodiment can be in circuit signal
Detector 3 break down and can not normal work in the case of, be also used as it is a set of take precautions against preheating it is improper cause danger it is standby
Select scheme.
As shown in figure 3, in one embodiment, the preheating given threshold also includes the second design temperature threshold value, second
Design temperature threshold preset is put in the comparator 22.The vehicle preheating device also includes second temperature sensor 7, second
Temperature sensor 7 electrically connects control unit of engine 2, the intake air temperature for detecting engine.Comparator 22 is also connected with second
Temperature sensor 7, for receiving the intake air temperature, and relatively more described intake air temperature and the second design temperature threshold value.Output is single
Member 23 is additionally operable to reach the second design temperature threshold value in the engine refrigerating fluid temperature signal and can receive institute
Alarm command is exported in the case of stating current signal.The embodiment can break down in circuit signal detector 3 and can not be just
Often work in the case of, be also used as it is another set of take precautions against preheating it is improper cause danger alternative.
The utility model also provides a kind of vehicle, and the vehicle includes the vehicle preheating device described in the various embodiments described above.
It is last it is to be noted that：Above example is only limited to illustrate the technical solution of the utility model, rather than to it
System.It will be understood by those within the art that：Technical scheme described in foregoing embodiments can be modified, or
Person carries out equivalent substitution to which part technical characteristic；These modifications are replaced, and take off the essence of appropriate technical solution
From the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a kind of vehicle preheating device, including：
Pre- thermal element；
Control unit of engine (2)；
Characterized in that, also including：
Circuit signal detector (3), its test side electrically connects the pre- thermal element, and it is single that output end electrically connects the engine control
First (2), are controlled for detecting the current signal of the pre- thermal element in real time and the current signal being conveyed into the engine
Unit (2)；The control unit of engine (2) is used to reach that the feelings of the current signal can be received by preheating given threshold
Alarm command is exported under shape；With
Alarm (4), it electrically connects the control unit of engine (2), for receiving the control unit of engine (2) output
Alarm command, to send pre-warning signal.
2. vehicle preheating device as claimed in claim 1, it is characterised in that the pre- thermal element includes：
Preheating relay (1)；
Charge heating plug (8), it electrically connects the preheating relay (1)；
The test side of the circuit signal detector (3) be connected to the charge heating plug (8) and the preheating relay (1) it
Between, current signal during detecting that the charge heating plug (8) connects with the preheating relay (1).
3. vehicle preheating device as claimed in claim 1 or 2, it is characterised in that the alarm (4) is instrument alarm,
It connects the control unit of engine (2) by vehicle-mounted CAN bus.
4. vehicle preheating device as claimed in claim 3, it is characterised in that when the preheating given threshold includes the first setting
Between threshold value；
The control unit of engine (2) includes：
Timer (21), it is used for the duration signal for detecting the current signal after preheating reaches given threshold；
Comparator (22), it connects in the timer (21), the comparator (22) and pre-sets the first setting time threshold
Value, and for receiving the duration signal, and the duration signal is compared with the first setting time threshold value；
With
Output unit (23), it connects the comparator (22), for being less than the described first setting in the duration signal
In the case of time threshold, the alarm (4) is controlled to send the pre-warning signal of parking.
5. vehicle preheating device as claimed in claim 4, it is characterised in that the preheating given threshold also includes the second setting
Time threshold, it is preset in the comparator (22), and the second setting time threshold value is more than first setting time
Threshold value；
The comparator (22) is additionally operable to be compared the duration signal with the second setting time threshold value；The output
Unit (23) is also connected with the control end of engine (10), for being less than the second setting time threshold in the duration signal
In the case of value, control engine (10) the reduction output torque and control the alarm (4) to send corresponding early warning
Signal.
6. vehicle preheating device as claimed in claim 5, it is characterised in that the vehicle preheating device also includes：
Preheating current source master switch (5), its one end electrically connects the output unit (23) of the control unit of engine (2), the second end
The preheating relay (1) is connected electrically in, the 3rd end and the 4th end are electrically connected the positive pole and negative pole of power supply (9)；
The output unit (23) is additionally operable in the case of the duration signal reaches the second setting time threshold value,
Control the preheating current source master switch (5) to disconnect and control the alarm (4) to send corresponding pre-warning signal.
7. vehicle preheating device as claimed in claim 6, it is characterised in that the preheating given threshold also includes the first setting
Temperature threshold, it is preset in the comparator (22)；
The vehicle preheating device also includes：
First temperature sensor (6), it electrically connects the control unit of engine (2), the temperature for detecting engine refrigerating fluid
Degree；
The comparator (22) is also connected with first temperature sensor (6), for receiving the engine refrigerating fluid temperature letter
Number, and relatively more described engine refrigerating fluid temperature signal and the first design temperature threshold value；With
The output unit (23) is additionally operable to reach the first design temperature threshold value in the engine refrigerating fluid temperature signal
And export alarm command in the case of the current signal can be received.
8. vehicle preheating device as claimed in claim 7, it is characterised in that the preheating given threshold also includes the second setting
Temperature threshold, it is preset in the comparator (22)；
The vehicle preheating device also includes：
Second temperature sensor (7), it electrically connects the control unit of engine (2), the intake air temperature for detecting engine；
The comparator (22) is also connected with the second temperature sensor (7), for receiving the intake air temperature, and relatively more described
Intake air temperature and the second design temperature threshold value；With
The output unit (23) is additionally operable to reach the second design temperature threshold value in the engine refrigerating fluid temperature signal
And export alarm command in the case of the current signal can be received.
9. a kind of vehicle, it is characterised in that including the vehicle preheating device as any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720107913.2U CN206539448U (en) | 2017-02-04 | 2017-02-04 | A kind of vehicle and its preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720107913.2U CN206539448U (en) | 2017-02-04 | 2017-02-04 | A kind of vehicle and its preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539448U true CN206539448U (en) | 2017-10-03 |
Family
ID=59939367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720107913.2U Active CN206539448U (en) | 2017-02-04 | 2017-02-04 | A kind of vehicle and its preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206539448U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107415A (en) * | 2019-07-04 | 2019-08-09 | 潍柴动力股份有限公司 | A kind of engine cold starting method, electronic control unit and system |
| CN111648884A (en) * | 2020-06-28 | 2020-09-11 | 东风商用车有限公司 | Engine air inlet preheating system based on electronic relay |
| WO2023201889A1 (en) * | 2022-04-21 | 2023-10-26 | 上海三一重机股份有限公司 | Engine prewarming protection method and system, and operation machine |
-
2017
- 2017-02-04 CN CN201720107913.2U patent/CN206539448U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107415A (en) * | 2019-07-04 | 2019-08-09 | 潍柴动力股份有限公司 | A kind of engine cold starting method, electronic control unit and system |
| CN111648884A (en) * | 2020-06-28 | 2020-09-11 | 东风商用车有限公司 | Engine air inlet preheating system based on electronic relay |
| WO2023201889A1 (en) * | 2022-04-21 | 2023-10-26 | 上海三一重机股份有限公司 | Engine prewarming protection method and system, and operation machine |
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