CN111779581B - Control method and system of auxiliary starting switch - Google Patents
Control method and system of auxiliary starting switch Download PDFInfo
- Publication number
- CN111779581B CN111779581B CN202010608859.6A CN202010608859A CN111779581B CN 111779581 B CN111779581 B CN 111779581B CN 202010608859 A CN202010608859 A CN 202010608859A CN 111779581 B CN111779581 B CN 111779581B
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- Prior art keywords
- starting switch
- protective cover
- gear
- auxiliary starting
- opening
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N2011/0881—Components of the circuit not provided for by previous groups
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lock And Its Accessories (AREA)
Abstract
The application relates to a control method and a system of an auxiliary starting switch, relating to the technical field of engines and comprising the following steps: a protective cover is arranged outside the auxiliary starting switch, and an opening and closing mechanism is arranged on the protective cover and used for opening and closing the protective cover; when the opening and closing mechanism opens the protective cover, the gear of the gearbox is obtained, and whether the gear is a neutral gear is judged; if the gear is neutral, the auxiliary starting switch is turned on; if the gear is not neutral, the auxiliary starting switch is controlled to be invalid. The protective cover covers the auxiliary starting switch inside, so that when the vehicle runs at low speed, the auxiliary starting switch can be prevented from being started manually, and the vehicle can be prevented from being flameout; when the maintenance personal overhauls the vehicle, guarantee that gearshift is in under the neutral gear state, just can open vice starting switch, prevent that the vehicle can take the shelves to remove, emergency detection personnel safety, and if someone is doing engine system, driver's cabin lifting mechanism inspection this moment, can not bring serious consequence yet, can not arouse the incident.
Description
Technical Field
The application relates to the technical field of engines, in particular to a control method and a control system of an auxiliary starting switch.
Background
A secondary starting switch on the truck is a component frequently used during maintenance, the gearbox needs to be guaranteed to be in a neutral position by using the secondary starting switch, otherwise the truck can move with gears, and serious consequences can be caused because the vehicle is not operated by a driver. At this time, if the vehicle is performing other detection operations, the safety of the detection personnel is also critical.
In the related art, chinese patent application No. 201610350351.4 discloses a control box for a secondary start switch of an automobile engine, which integrates a waterproof connector and a mounting bracket, and the mounting bracket integrates a secondary start switch. The purposes of improving the protection grade, improving the reliability and reducing the size of the bracket are achieved.
However, when a maintenance worker overhauls the vehicle and turns on the auxiliary starting switch, the gear shifting mechanism cannot be ensured to be in a neutral state; when a maintenance worker overhauls the vehicle and turns on the auxiliary starting switch, if someone inspects an engine system and a cab lifting mechanism at the moment, serious consequences are brought, and safety accidents are caused; when the vehicle runs at low speed, if the vehicle passes through an urban area, the auxiliary starting switch cannot be prevented from being started manually, so that the vehicle is flamed out; and the auxiliary starting switch is blown by wind and is exposed to the sun, and the wire harness is aged to cause the switch to lose efficacy.
Disclosure of Invention
The embodiment of the application provides a control method and a control system of an auxiliary starting switch, and aims to solve the problems that in the related art, when a maintenance worker overhauls a vehicle and turns on the auxiliary starting switch, a gear shifting mechanism cannot be guaranteed to be in a neutral gear state, and the vehicle can move with a gear.
In a first aspect, a method for controlling a secondary starting switch is provided, which includes the following steps:
a protective cover is covered outside the auxiliary starting switch, and an opening and closing mechanism is arranged on the protective cover and used for opening and closing the protective cover;
when the protective cover is opened by the opening and closing mechanism, the gear of the gearbox is obtained, and whether the gear is a neutral gear is judged;
if the gear is neutral, the auxiliary starting switch is turned on; and if the gear is not neutral, controlling the auxiliary starting switch to be invalid.
In some embodiments, the service person turns on the secondary activation switch.
In some embodiments, the secondary start switch is turned on by the vehicle control unit.
In some embodiments, the controlling the failure of the secondary starting switch specifically includes the following steps:
and the relay for controlling the auxiliary starting switch is switched off.
In a second aspect, there is provided a control system for a secondary starting switch, comprising:
a protective cover having a protective space therein for accommodating the sub start switch;
the opening and closing mechanism is arranged on the protective cover and is used for opening and closing the protective cover;
the control device is connected with the opening and closing mechanism and the auxiliary starting switch, and is used for acquiring the gear of the gearbox and judging whether the gear is a neutral gear or not when the protective cover is opened by the opening and closing mechanism; if the gear is neutral, the auxiliary starting switch is turned on; and if the gear is not neutral, controlling the auxiliary starting switch to be invalid.
In some embodiments, the opening and closing mechanism comprises:
the protective lock is arranged on the protective cover and used for opening the protective cover;
a protection key that is matched with the protection lock and is used for opening the protection lock.
In some embodiments, the protection key is one of an ignition key, a door key, a urea cap key, and a fuel tank key.
In some embodiments, the control system further comprises a support frame, the support frame is located in the protection space, one end of the support frame is connected with the protection cover, and the other end of the support frame is used for connecting the auxiliary starting switch.
In some embodiments, the protective cover is provided with a wire harness hole, the wire harness hole is used for a wire harness connected with the opening and closing mechanism and the control device to pass through, and the wire harness connected with the control device to pass through by the auxiliary starting switch.
In some embodiments, the bottom end of the protective cover is provided with a water accumulation preventing hole.
The beneficial effect that technical scheme that this application provided brought includes: the protective cover covers the auxiliary starting switch inside, so that when the vehicle runs at low speed, if the vehicle passes through an urban area, the auxiliary starting switch can be prevented from being started manually, and the vehicle can be prevented from being flameout; the auxiliary starting switch is prevented from being failed due to the fact that the wire harness is aged when the auxiliary starting switch is blown by wind and is exposed to the sun; when the maintenance personal overhauls the vehicle, guarantee that gearshift is in under the neutral gear state, just can open vice starting switch, prevent that the vehicle can take the shelves to remove, emergency detection personnel safety, and if someone is doing engine system, driver's cabin lifting mechanism inspection this moment, can not bring serious consequence yet, can not arouse the incident.
The embodiment of the application provides a control method and a system of an auxiliary starting switch, and the auxiliary starting switch is protected by arranging a protective cover, so that when a vehicle runs at a low speed, if the vehicle passes through a downtown area, the auxiliary starting switch can be prevented from being manually started, and the vehicle is prevented from being flameout; the auxiliary starting switch is prevented from being failed due to the fact that the wire harness is aged when the auxiliary starting switch is blown by wind and is exposed to the sun; and when the safety cover was opened, through the gear that acquires the gearbox, and judge whether the gear is the neutral gear, if not for the neutral gear, then can control vice starting switch inefficacy, only when the gearbox is the neutral gear, just can open vice starting switch, therefore, when maintenance personal overhauls the vehicle, guarantee that gearshift is under the neutral gear state, just can open vice starting switch, prevent that the vehicle can take the shelves to remove, emergency detection personnel safety, and if someone is doing engine system this moment, the inspection of driver's cabin lifting mechanism, can not bring serious consequence yet, can not arouse the incident.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a control method of a secondary starting switch according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a protective cover according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a control system of a secondary starting switch according to an embodiment of the present application.
In the figure: 1. a protective cover; 10. protecting the space; 11. a harness hole; 12. water accumulation preventing holes; 2. an auxiliary starting switch; 3. an opening and closing mechanism; 4. a support frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, an embodiment of the present application provides a control method for a secondary start switch, which includes the following steps:
s1: a protective cover 1 covers the auxiliary starting switch 2, an opening and closing mechanism 3 is arranged on the protective cover 1, and the opening and closing mechanism 3 is used for opening and closing the protective cover 1; the protective cover 1 comprises a cover body and a cover door, wherein the cover door is rotatably connected to the cover body and is opened and closed on the cover body through the opening and closing mechanism 3 so as to open and close the protective cover 1. The protection cover 1 covers the auxiliary starting switch 2 inside to prevent irrelevant personnel from operating the auxiliary starting switch 2 in a low-speed/parking state; the side surface of the protective cover 1 is a standardized fixing hole, and the protective cover 1 can be arranged on a vehicle chassis and a bracket; when the vehicle runs at low speed, if the vehicle passes through an urban area, the auxiliary starting switch 2 can be prevented from being manually started, so that the vehicle is prevented from being flamed out; and the auxiliary starting switch 2 is prevented from being blown by wind and exposed to the sun, and the wire harness is prevented from aging, so that the auxiliary starting switch 2 is prevented from being out of work.
S2: when the opening and closing mechanism 3 opens the protective cover 1, acquiring the gear of the gearbox, and judging whether the gear is a neutral gear or not;
s3: if the gear is neutral, controlling an electric horn to warn people around the vehicle and starting an auxiliary starting switch 2; if not, control instrument, electric horn all send the warning to control vice starting switch 2 and become invalid, even the maintainer goes to open vice starting switch 2, also can not realize the engine ignition. Therefore, when a maintenance worker overhauls the vehicle, the auxiliary starting switch can be turned on only when the gear shifting mechanism is in a neutral state, and the vehicle is prevented from moving with gears and endangering the safety of detection personnel. And if someone checks the engine system and the cab lifting mechanism, no serious result is brought, and no safety accident is caused.
Preferably, in S3: if the gear is neutral, the auxiliary starting switch 2 is turned on, and the auxiliary starting switch 2 may be turned on by a maintenance worker or by the vehicle controller. If the maintenance personnel start the auxiliary starting switch 2, enough time is provided for the maintenance personnel to prepare for work, and then the auxiliary starting switch 2 is started; if the auxiliary starting switch 2 is started through the vehicle controller, the auxiliary starting switch 2 can be intelligently and automatically controlled to be started, and the maintenance time is greatly saved.
Preferably, in S3: if the gear is not neutral, the auxiliary starting switch 2 is controlled to be invalid, and the method specifically comprises the following steps: the relay of the auxiliary starting switch 2 is controlled to be switched off, and after the relay of the auxiliary starting switch 2 is switched off, even if a maintainer operates the auxiliary starting switch 2, the auxiliary starting switch 2 cannot be switched on, so that the vehicle is prevented from moving with a gear.
Referring to fig. 3, an embodiment of the present application further provides a control system of an auxiliary starting switch, which includes a protective cover 1, an opening and closing mechanism 3, a transmission gear position sensor and a control device, wherein a protective space 10 for accommodating the auxiliary starting switch 2 is provided in the protective cover 1, and the auxiliary starting switch 2 is accommodated in the protective space 10, so that when a vehicle runs at a low speed, if the vehicle passes through an urban area, the auxiliary starting switch 2 can be prevented from being manually started, which causes the vehicle to stall; and the auxiliary starting switch 2 is prevented from being blown by wind and exposed to the sun, and the wire harness is prevented from aging, so that the auxiliary starting switch 2 is prevented from being out of work. The opening and closing mechanism 3 is arranged on the protective cover 1 and is used for opening and closing the protective cover 1; the gearbox gear sensor is used for acquiring the gear of the gearbox; the control device is connected with the opening and closing mechanism 3, the auxiliary starting switch 2 and the gearbox gear sensor and is used for acquiring the gear of the gearbox and judging whether the gear is neutral or not when the opening and closing mechanism 3 opens the protective cover 1; if the gear is neutral, the auxiliary starting switch 2 is turned on; if the gear is not neutral, the auxiliary starting switch 2 is controlled to be invalid, and even if a maintainer turns on the auxiliary starting switch 2, the ignition of the engine cannot be realized. Therefore, when a maintenance worker overhauls the vehicle, the auxiliary starting switch can be turned on only when the gear shifting mechanism is in a neutral state, and the vehicle is prevented from moving with gears and endangering the safety of detection personnel. And if someone checks the engine system and the cab lifting mechanism, no serious result is brought, and no safety accident is caused.
Preferably, the opening and closing mechanism 3 comprises a protection lock and a protection key, the protection lock is arranged on the protection cover 1 and is used for opening the protection cover 1; the protection key is matched with the protection lock and used for opening the protection lock. The control device is connected with the protection lock, and when the maintainer uses the protection key to open the protection lock, the control device acquires the gear of the gearbox to control whether the auxiliary starting switch 2 fails or not.
Preferably, the protection key is one of an ignition key, a door key, a urea cover key, and a fuel tank key. The protection key is mastered by a driver or an appointed operator thereof, so that the vehicle is prevented from being managed and maintained by a plurality of persons, and an unauthorized person is prevented from operating the auxiliary starting switch 2.
Furthermore, the control system further comprises a support frame 4, wherein the support frame 4 is located in the protection space 10, one end of the support frame is connected with the protection cover 1, and the other end of the support frame is used for being connected with the auxiliary starting switch 2.
Furthermore, a wire harness hole 11 is formed in the protective cover 1, the wire harness hole 11 is used for a wire harness connected with the opening and closing mechanism 3 and the control device to pass through, a protection lock of the opening and closing mechanism 3 is connected with the control device through the wire harness, so that the control device can judge whether the protection lock is opened or not, and once the protection lock is opened, a gear of the gearbox is obtained; and the wire harness connected with the control device by the auxiliary starting switch 2 passes through the auxiliary starting switch 2, and the auxiliary starting switch 2 is connected with the control device by the wire harness so as to realize the failure control of the control device on the auxiliary starting switch 2.
Furthermore, the bottom end of the protective cover 1 is provided with a water accumulation preventing hole 12, so that water accumulation inside the protective cover 1 is prevented, and the auxiliary starting switch 2 is influenced.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A control method of an auxiliary starting switch is characterized by comprising the following steps:
a protective cover (1) is covered outside the auxiliary starting switch (2), an opening and closing mechanism (3) is arranged on the protective cover (1), and the opening and closing mechanism (3) is used for opening and closing the protective cover (1);
when the opening and closing mechanism (3) opens the protective cover (1), acquiring a gear of a gearbox, and judging whether the gear is a neutral gear or not;
if the gear is neutral, the auxiliary starting switch (2) is turned on; and if the gear is not neutral, controlling the auxiliary starting switch (2) to be invalid.
2. A control method of a secondary starting switch according to claim 1, characterized in that a service man turns on the secondary starting switch (2).
3. A control method of a secondary starting switch according to claim 1, characterized in that the secondary starting switch (2) is turned on by the vehicle control unit.
4. The method for controlling a secondary starting switch according to claim 1, characterized in that controlling the secondary starting switch (2) to fail comprises the following steps:
and controlling the relay of the auxiliary starting switch (2) to be switched off.
5. A control system for a secondary starting switch, comprising:
a protective cover (1) having a protective space (10) for accommodating the auxiliary start switch (2) therein;
the opening and closing mechanism (3) is arranged on the protective cover (1) and is used for opening and closing the protective cover (1);
the control device is connected with the opening and closing mechanism (3) and the auxiliary starting switch (2) and is used for acquiring the gear of the gearbox and judging whether the gear is a neutral gear or not when the opening and closing mechanism (3) opens the protective cover (1); if the gear is neutral, the auxiliary starting switch (2) is turned on; and if the gear is not neutral, controlling the auxiliary starting switch (2) to be invalid.
6. Control system of a secondary starting switch according to claim 5, characterized in that the opening and closing mechanism (3) comprises:
a protective lock provided on the protective cover (1) and used for opening the protective cover (1);
a protection key that is matched with the protection lock and is used for opening the protection lock.
7. The control system of the sub start switch according to claim 6, wherein said protection key is one of an ignition key, a door key, a urea cover key and a fuel tank key.
8. The control system of a secondary starting switch according to claim 5, characterized in that it further comprises a support frame (4), said support frame (4) being located in said protected space (10) and being connected at one end to said protective cover (1) and at the other end to said secondary starting switch (2).
9. The control system of the auxiliary starting switch according to claim 5, characterized in that the protective cover (1) is provided with a wire harness hole (11), the wire harness hole (11) is used for a wire harness connected with the control device to pass through the opening and closing mechanism (3), and the wire harness connected with the control device to pass through the auxiliary starting switch (2).
10. The control system of the auxiliary starting switch according to claim 5, characterized in that the bottom end of the protective cover (1) is provided with a water accumulation preventing hole (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608859.6A CN111779581B (en) | 2020-06-29 | 2020-06-29 | Control method and system of auxiliary starting switch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010608859.6A CN111779581B (en) | 2020-06-29 | 2020-06-29 | Control method and system of auxiliary starting switch |
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| CN111779581A CN111779581A (en) | 2020-10-16 |
| CN111779581B true CN111779581B (en) | 2021-03-30 |
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| Publication number | Publication date |
|---|---|
| CN111779581A (en) | 2020-10-16 |
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