CN111749829A - Plateau starting method and system for engineering machinery and engineering machinery - Google Patents
Plateau starting method and system for engineering machinery and engineering machinery Download PDFInfo
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- CN111749829A CN111749829A CN202010752216.9A CN202010752216A CN111749829A CN 111749829 A CN111749829 A CN 111749829A CN 202010752216 A CN202010752216 A CN 202010752216A CN 111749829 A CN111749829 A CN 111749829A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007858 starting material Substances 0.000 claims description 135
- 239000002826 coolant Substances 0.000 claims description 28
- 239000000110 cooling liquid Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
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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
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
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Abstract
The embodiment of the invention provides a plateau starting method and system for engineering machinery and the engineering machinery, and belongs to the field of engineering machinery. The plateau starting method for the engineering machinery comprises the following steps: acquiring an atmospheric temperature value and an altitude value; and starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value. The plateau starting method can automatically identify the plateau environment and autonomously select a proper starting program according to different environments to assist a driver in starting the plateau with high cold.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a plateau starting method and system for engineering machinery and the engineering machinery.
Background
The traditional engineering machinery is in a plateau environment, and the working states of a storage battery and a generator are influenced due to the fact that the ambient temperature is reduced and the air pressure is reduced, so that the engine is difficult to start, and the engine cannot normally work in the plateau environment. In order to solve the problem, a new hydraulic oil loop is designed in the related art so as to achieve the purpose of improving the plateau starting performance of the engine. The new hydraulic oil loop can reduce the return oil pressure loss, thereby reducing the load generated by the engine overcoming the pressure loss during starting and improving the plateau starting performance of the engine. However, the pressure of the hydraulic oil loop before the engine is started is originally very small, the effect of reducing the pressure loss of the new hydraulic oil loop has a limited effect on improving the starting performance of the engine, and the method is single and cannot meet the actual requirement of high and cold altitude.
Disclosure of Invention
The plateau starting method can automatically identify plateau environments and autonomously select proper starting programs according to different environments to assist drivers to start the plateau in a severe cold environment.
In order to achieve the above object, an embodiment of the present invention provides a plateau starting method for an engineering machine, including: acquiring an atmospheric temperature value and an altitude value; and starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value.
Optionally, the starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes: controlling a turbocharger to start to increase an intake pressure value of an engine if the atmospheric temperature value is greater than an atmospheric temperature threshold and the altitude value is greater than or equal to a first altitude threshold and less than a second altitude threshold, wherein the first altitude threshold is less than the second altitude threshold; under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the turbocharger and the starter to be powered off.
Optionally, the starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes: under the condition that the atmospheric temperature value is greater than an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine and controlling the turbocharger to be started so as to improve the air inlet pressure value of the engine; under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives an engine to start, controlling the fan clutch, the hydraulic pump clutch, the turbocharger and the starter to be powered off.
Optionally, the starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes: controlling an intake air preheater to be started to increase an intake air temperature value of the engine under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is less than a first altitude threshold value; controlling a display to display information allowing plateau starting under the condition that the intake air temperature value reaches an intake air temperature threshold value; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the air inlet preheater and the starter to be powered off.
Optionally, the starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes: under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a first altitude threshold value and less than a second altitude threshold value, controlling the starting of an intake air preheater to increase the intake air temperature value of the engine and controlling the starting of a turbocharger to increase the intake air pressure value of the engine, wherein the first altitude threshold value is less than the second altitude threshold value; under the condition that the inlet air temperature value reaches an inlet air temperature threshold value and the inlet air pressure value reaches an inlet air pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the air inlet preheater, the turbocharger and the starter to be powered off.
Optionally, the starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes: under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine, controlling the cooling liquid heater to be started so as to increase the cooling liquid temperature value of the engine, controlling the air inlet preheater to be started so as to increase the air inlet temperature value of the engine, and controlling the turbocharger to be started so as to increase the air inlet pressure value of the engine; under the condition that the coolant temperature value reaches a coolant temperature threshold value, the intake air temperature value reaches an intake air temperature threshold value, and the intake air pressure value reaches an intake air pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the coolant heater, the intake air preheater, the turbocharger and the starter to be powered off.
In another aspect, the present invention provides a plateau starting system for a construction machine, including: the atmospheric temperature sensor is used for acquiring an atmospheric temperature value; altitude acquisition means for acquiring an altitude value; and the complete machine controller is used for starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value.
Optionally, the plateau starting system further includes an intake pressure sensor for detecting an intake pressure value of the engine; the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises: controlling a turbocharger to start to increase an intake pressure value of an engine if the atmospheric temperature value is greater than an atmospheric temperature threshold and the altitude value is greater than or equal to a first altitude threshold and less than a second altitude threshold, wherein the first altitude threshold is less than the second altitude threshold; under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the turbocharger and the starter to be powered off.
Optionally, the plateau starting system further includes an intake pressure sensor for detecting an intake pressure value of the engine; the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises: under the condition that the atmospheric temperature value is greater than an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine and controlling the turbocharger to be started so as to improve the air inlet pressure value of the engine; under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the turbocharger and the starter to be powered off.
Optionally, the plateau starting system further comprises an intake air temperature sensor for detecting an intake air temperature value of the engine; the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises: controlling an intake air preheater to be started to increase an intake air temperature value of the engine under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is less than a first altitude threshold value; controlling a display to display information allowing plateau starting under the condition that the intake air temperature value reaches an intake air temperature threshold value; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the air inlet preheater and the starter to be powered off.
Optionally, the plateau initiating system further includes: an intake temperature sensor for detecting an intake temperature value of the engine; an intake pressure sensor for detecting an intake pressure value of the engine; the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises: under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a first altitude threshold value and less than a second altitude threshold value, controlling the starting of an intake air preheater to increase the intake air temperature value of the engine and controlling the starting of a turbocharger to increase the intake air pressure value of the engine, wherein the first altitude threshold value is less than the second altitude threshold value; under the condition that the inlet air temperature value reaches an inlet air temperature threshold value and the inlet air pressure value reaches an inlet air pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the air inlet preheater, the turbocharger and the starter to be powered off.
Optionally, the plateau starting system further comprises a coolant temperature sensor for detecting a coolant temperature value of the engine; an intake temperature sensor for detecting an intake temperature value of the engine; an intake pressure sensor for detecting an intake pressure value of the engine; the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises: under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine, controlling the cooling liquid heater to be started so as to increase the cooling liquid temperature value of the engine, controlling the air inlet preheater to be started so as to increase the air inlet temperature value of the engine, and controlling the turbocharger to be started so as to increase the air inlet pressure value of the engine; under the condition that the coolant temperature value reaches a coolant temperature threshold value, the intake air temperature value reaches an intake air temperature threshold value, and the intake air pressure value reaches an intake air pressure threshold value, controlling a display to display information allowing plateau starting; controlling the starter to start under the condition of receiving a starter starting instruction; and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the coolant heater, the intake air preheater, the turbocharger and the starter to be powered off.
In another aspect, the present disclosure provides a construction machine including any one of the above-described plateau initiating systems for a construction machine.
Through the technical scheme, the plateau environment is identified by adopting a mode of acquiring the atmospheric temperature value and the altitude value of the environment where the engineering machinery is located, and the grade of the plateau environment is judged according to the atmospheric temperature value and the altitude value, so that plateau starting programs corresponding to plateau environments with different grades are started according to the grade of the plateau environment, a driver is assisted to carry out plateau high-cold starting, the starting performance of an engine is improved, the engineering machinery can be started smoothly, and plateau operation is not influenced.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
fig. 1 is a flowchart of a plateau starting method for a construction machine according to an embodiment of the present invention;
FIG. 2 is a flowchart of a plateau start procedure for starting the corresponding temperature sensor according to the atmospheric temperature and the altitude according to an embodiment of the present invention;
fig. 3 is a block diagram illustrating a plateau starting system for a construction machine according to an embodiment of the present invention;
fig. 4 is a block diagram of a plateau starting system for a construction machine according to an embodiment of the present invention.
Detailed Description
In the plateau environment, the engine is difficult to start due to the reduction of the ambient temperature and the reduction of the air pressure, and the engineering machinery cannot work normally in the plateau environment. In order to solve the problem, the invention provides a plateau starting method for engineering machinery, which specifically comprises the following steps as shown in fig. 1:
s102, acquiring an atmospheric temperature value and an altitude value;
and S104, starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value.
In order to solve the problem, the plateau starting method provided by the invention comprises the steps of firstly obtaining the atmospheric temperature value and the altitude value of the environment where the engineering machinery is located, and then identifying whether the engineering machinery is located in the plateau environment or not and which plateau environment the engineering machinery is located in based on the obtained atmospheric temperature value and altitude value, so that a corresponding plateau starting program is started according to the plateau environmental condition level determined by the atmospheric temperature value and the altitude value to assist a driver in performing plateau high-cold starting, and a proper starting program is purposefully selected to solve the problem that the engineering machinery is difficult to start in the plateau environment.
Specifically, the step of starting the corresponding plateau starting program according to the atmospheric temperature value and the altitude value may include the following five cases, and the embodiment is described with reference to fig. 2:
in order to determine different levels of the plateau environment, corresponding thresholds need to be set for distinguishing, and the present embodiment distinguishes the levels of the plateau environment based on two types of data, namely, an atmospheric temperature value and an altitude value, and accordingly sets an atmospheric temperature threshold, a first altitude threshold and a second altitude threshold. The atmospheric temperature threshold is set to-15 degrees celsius, the first altitude threshold is 2500 meters, and the second altitude threshold is 4000 meters, however, the specific values of the threshold in this embodiment are not limited to the above three values, and may be other values, and the setting of the specific values may be determined according to the actual altitude environment condition.
Preferably, the first plateau environment level is set to be an atmospheric temperature value > -15 ℃, an altitude value of 2500 m or more is less than 4000 m, as shown in fig. 2, the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes:
(1) under the conditions that the atmospheric temperature value is > -15 ℃ and the altitude value is more than or equal to 2500 m and less than 4000 m, plateau environment conditions are met, the air pressure is low under the conditions, and the air inlet pressure cannot reach the standard of normal starting, so that the turbocharger needs to be controlled to start, the air inlet pressure value of the engine is improved, the air inlet quantity of the engine is improved, and the power and the torque of the engine can be improved.
(2) After the turbocharger is started, the air inlet pressure value rises, and when the air inlet pressure value rises to the air inlet pressure threshold value meeting the plateau starting air inlet pressure condition, starting operation can be carried out. The present embodiment sets the intake pressure threshold value to 100kPa, but of course, the intake pressure threshold value of the present embodiment is not limited to 100kPa, and the setting of the specific value may be determined according to the intake pressure condition of the actual engine start; when the air inlet pressure value of the engine reaches 100kPa, controlling a display to display information allowing plateau starting, for example, displaying the character of 'being capable of performing plateau starting'; after the operator sees the information, the operator knows that the starting operation can be performed, and the operator manually controls the starting of the starter.
(3) And controlling the starter to start under the condition of receiving a starter starting instruction sent by an operator.
(4) The starter is started to drive the engine to start, the successful starting of the engine means that the plateau starting is completed, the turbocharger and the starter are controlled to be powered off, and then the engineering machinery can work in the plateau environment.
In addition to the first plateau environmental level, there are other plateau environmental levels, and preferably, the second plateau environmental level provided in this embodiment is set to have an atmospheric temperature value > -15 degrees celsius, and an altitude value greater than or equal to 4000 meters, as shown in fig. 2, where starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes:
(1) under the conditions that the atmospheric temperature value is > -15 ℃ and the altitude value is more than or equal to 4000 meters, plateau environment conditions are met, the air pressure is very low under the conditions, and the power of the engine is reduced, so that a fan clutch and a hydraulic pump clutch are disconnected before the engine is started, and the fan and the hydraulic pump are separated from the running part of the engine under the condition that the engine is started later, so that the starting load of the engine is reduced, the power output of the engine is controlled, and the motor is prevented from being damaged by overload; in addition, under the condition of low air pressure, the turbocharger is controlled to start so as to improve the air inlet pressure value of the engine and improve the air inlet quantity of the engine, so that the power and the torque of the engine can be improved.
(2) After the turbocharger is started, the air inlet pressure value rises, when the air inlet pressure value of the engine reaches 100kPa, the control display displays information allowing plateau starting, an operator can know that starting operation can be performed after seeing the information, and the operator manually controls the starting machine to be started.
(3) And controlling the starter to start under the condition of receiving a starter starting instruction sent by an operator.
(4) The starter is started to drive the engine to start, the successful starting of the engine means that the plateau starting is completed, the fan clutch, the hydraulic pump clutch, the turbocharger and the starter are controlled to be powered off, and then the engineering machinery can operate in the plateau environment.
Preferably, the third plateau environment level provided by this embodiment is set to have an atmospheric temperature value less than or equal to-15 degrees celsius and an altitude value less than 2500 meters, as shown in fig. 2, the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes:
(1) under the conditions that the atmospheric temperature value is less than or equal to minus 15 ℃ and the altitude value is less than 2500 meters, plateau environment conditions are met, the temperature is low under the conditions and the engine is not easy to start, and therefore before the engine is started, the air inlet preheater is controlled to start so as to improve the air inlet temperature value of the engine.
(2) After the air inlet preheater is started, the air inlet temperature value of the engine rises, and when the air inlet temperature value rises to the air inlet temperature threshold value meeting the plateau starting air inlet temperature condition, starting operation can be carried out. In the embodiment, the air inlet temperature threshold is set to be-15 degrees centigrade, of course, the air inlet temperature threshold in the embodiment is not limited to-15 degrees centigrade, and the setting of the specific value can be determined according to the air inlet temperature condition of the actual engine start; when the inlet air temperature value of the engine reaches the inlet air temperature threshold value of-15 ℃, the control display displays information allowing plateau starting, an operator knows that starting operation can be performed after seeing the information, and the operator manually controls the starting of the starter.
(3) And controlling the starter to start under the condition of receiving a starter starting instruction sent by an operator.
(4) The starter is started to drive the engine to start, the successful starting of the engine means that the plateau starting is completed, the air inlet preheater and the starter are controlled to be powered off, and then the engineering machinery can operate in the plateau environment.
Preferably, the fourth plateau environment level provided by this embodiment is set to have an atmospheric temperature value less than or equal to-15 degrees celsius and an altitude value less than 4000 meters and less than or equal to 2500 meters, as shown in fig. 2, the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes:
(1) under the conditions that the atmospheric temperature value is less than or equal to minus 15 ℃ and the altitude value is less than or equal to 2500 m and less than 4000 m, plateau environment conditions are met, the air temperature and the air pressure are both low under the conditions and are not beneficial to starting the engine, and therefore before the engine is started, the air inlet preheater is controlled to be started to improve the air inlet temperature value of the engine and the turbocharger is controlled to be started to improve the air inlet pressure value of the engine.
(2) After the air inlet preheater is started, the air inlet temperature value of the engine rises, after the turbocharger is started, the air inlet pressure value rises, when the air inlet temperature value of the engine reaches the air inlet temperature threshold value of-15 ℃ and the air inlet pressure value reaches the air inlet pressure threshold value of 100kPa, the control display displays information allowing plateau starting, after an operator sees the information, the operator knows that starting operation can be performed, and the operator manually controls the starting machine to be started.
(3) And controlling the starter to start under the condition of receiving a starter starting instruction sent by an operator.
(4) The starter is started to drive the engine to start, the successful starting of the engine means that the plateau starting is completed, and the air inlet preheater, the turbocharger and the starter are controlled to be powered off. And then the engineering machinery can work in the plateau environment.
Preferably, the fifth plateau environment level provided by this embodiment is set to have an atmospheric temperature value less than or equal to-15 ℃, and an altitude value greater than or equal to 4000 meters, as shown in fig. 2, the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value includes:
(1) under the conditions that the atmospheric temperature value is less than or equal to minus 15 ℃ and the altitude value is more than or equal to 4000 meters, plateau environment conditions are met, the air pressure and the air temperature are both very low under the conditions, and the power of the engine is reduced due to low air pressure, so that the fan clutch and the hydraulic pump clutch are disconnected before the engine is started, the starting load of the engine is reduced when the engine is started later, and the motor is prevented from being damaged by overload; the conditions of low air pressure and low air temperature are not favorable for starting the engine, so that before the engine is started, the cooling liquid heater is controlled to be started to increase the cooling liquid temperature value of the engine, the air inlet preheater is controlled to be started to increase the air inlet temperature value of the engine, and the turbocharger is controlled to be started to increase the air inlet pressure value of the engine.
(2) After the cooling liquid heater is started, the temperature value of the cooling liquid rises, after the air inlet preheater is started, the air inlet temperature value of the engine rises, and after the turbocharger is started, the air inlet pressure value rises; the coolant temperature threshold is set to 20 degrees celsius in this embodiment, but the coolant temperature threshold in this embodiment is not limited to 20 degrees celsius, and the specific value can be determined according to the coolant temperature condition of the actual engine start; when the temperature value of the cooling liquid of the engine reaches the temperature threshold value of the cooling liquid by 20 ℃, the air inlet temperature value reaches the air inlet temperature threshold value of-15 ℃ and the air inlet pressure value reaches the air inlet pressure threshold value of 100kPa, the control display displays information allowing plateau starting, an operator knows that starting operation can be performed after seeing the information, and the operator manually controls the starting machine to be started.
(3) And controlling the starter to start under the condition of receiving a starter starting instruction sent by an operator.
(4) The starter is started to drive the engine to start, the successful starting of the engine means that the plateau starting is completed, the fan clutch, the hydraulic pump clutch, the cooling liquid heater, the air inlet preheater, the turbocharger and the starter are controlled to be powered off, and then the engineering machinery can operate in the plateau environment.
When the engineering machine is in other environmental conditions except the five conditions, that is, when the atmospheric temperature is > -15 ℃ and the altitude value is <2500 m, the engineering machine is not considered to be in the plateau environment, and the engineering machine can be directly and normally started without passing through the plateau starting program, as shown in fig. 2, the corresponding starting program includes:
(1) under the conditions that the atmospheric temperature value is > -15 ℃ and the altitude value is less than 2500 m, the starting device does not belong to the plateau environment, the control display displays information allowing plateau starting, an operator knows that starting operation can be performed after seeing the information, and the operator manually controls to start the starting device.
(2) The starter is started to drive the engine to start, and the starter is controlled to be powered off after the engine is successfully started.
The plateau environment is identified by acquiring the atmospheric temperature value and the altitude value of the environment where the engineering machinery is located, and the grade of the plateau environment is judged according to the atmospheric temperature value and the altitude value, so that plateau starting programs corresponding to plateau environments with different grades are started according to the grade of the plateau environment, a driver is assisted to start the plateau environment at high and cold, the starting performance of an engine is improved, the engineering machinery can be started smoothly, and plateau operation is not influenced.
Based on the above disclosed plateau starting method for engineering machinery, the present invention also discloses a plateau starting system for engineering machinery, as shown in fig. 3, which may specifically include:
the system comprises an atmospheric temperature sensor, a complete machine controller and a control unit, wherein the atmospheric temperature sensor is used for acquiring an atmospheric temperature value, is connected with the complete machine controller and sends the acquired atmospheric temperature value of the external environment to the complete machine controller after the atmospheric temperature sensor is powered on;
the elevation acquisition device is used for acquiring an elevation value, can be a GPS positioning module, is connected with the complete machine controller, and sends the acquired elevation value to the complete machine controller after the elevation acquisition device is powered on; and the complete machine controller is used for starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value.
In some embodiments of the present invention, the plateau starting system may further include an intake pressure sensor, the intake pressure sensor is generally connected to the engine controller, and is configured to detect an intake pressure value of an intake pipe of the engine, the intake pressure sensor sends the detected intake pressure value to the engine controller, and the engine controller sends the intake pressure value data to the complete machine controller;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
under the condition that the atmospheric temperature value is greater than an atmospheric temperature threshold value and the altitude value is greater than or equal to a first altitude threshold value and less than a second altitude threshold value, wherein the first altitude threshold value is less than the second altitude threshold value, the turbocharger is controlled to be started to improve the air inlet pressure value of the engine, and the complete machine controller can control the on-off time of the turbocharger through a relay;
under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting;
the whole machine controller can control the rotating speed and the on-off time of the starter through a relay, and the starter is controlled to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the turbocharger and the starter to be powered off.
In some embodiments of the invention, the plateau starting system may further include an intake pressure sensor for detecting an intake pressure value of the engine;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
under the condition that the atmospheric temperature value is greater than an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine and controlling the turbocharger to be started so as to improve the air inlet pressure value of the engine, wherein the complete machine controller can control the on-off time of the turbocharger through a relay;
under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting;
the whole machine controller can control the rotating speed and the on-off time of the starter through a relay, and control the starter to start and increase the rotating speed of the starter under the condition of receiving a starter starting instruction, so that the starting time of the starter is prolonged until the engine is started;
and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the turbocharger and the starter to be powered off.
In some embodiments of the invention, the plateau starting system may further include an intake air temperature sensor, the intake air temperature sensor is generally connected to the engine controller and is used for detecting an intake air temperature value of an intake pipe of the engine, the intake air temperature sensor sends the detected intake air temperature value to the engine controller, and the engine controller sends the intake air temperature value data to the complete machine controller;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
under the condition that the atmospheric temperature value is less than or equal to the atmospheric temperature threshold and the altitude value is less than a first altitude threshold, controlling the starting of the air inlet preheater to improve the air inlet temperature value of the engine, wherein the on-off time of the air inlet preheater can be controlled by the complete machine controller through a relay;
controlling a display to display information allowing plateau starting under the condition that the intake air temperature value reaches an intake air temperature threshold value;
the whole machine controller controls the rotating speed and the on-off time of the starter through a relay, and controls the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the air inlet preheater and the starter to be powered off.
In some embodiments of the invention, the plateau starting system may further include an intake air temperature sensor for detecting an intake air temperature value of the engine; an intake pressure sensor for detecting an intake pressure value of the engine;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
in the event that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold and the altitude value is greater than or equal to a first altitude threshold and less than a second altitude threshold, wherein the first altitude threshold is less than the second altitude threshold; controlling the starting of an air inlet preheater to increase the air inlet temperature value of the engine; controlling the start of the turbocharger to improve the air inlet pressure value of the engine, wherein the complete machine controller can control the on-off time of the air inlet preheater and the turbocharger through a relay;
under the condition that the inlet air temperature value reaches an inlet air temperature threshold value and the inlet air pressure value reaches an inlet air pressure threshold value, controlling a display to display information allowing plateau starting;
the whole machine controller can control the rotating speed and the on-off time of the starter through a relay, and control the starter to start and increase the rotating speed of the starter under the condition of receiving a starter starting instruction, so that the starting time of the starter is prolonged until the engine is started;
and after the starter drives the engine to start, controlling the air inlet preheater, the turbocharger and the starter to be powered off.
In some embodiments of the invention, the plateau start system may further include a coolant temperature sensor, the coolant temperature sensor being generally coupled to the engine controller for detecting a coolant temperature value at the engine, the coolant temperature sensor sending the detected coolant temperature value to the engine controller, the engine controller sending the coolant temperature value data to the complete machine controller; an intake temperature sensor for detecting an intake temperature value of the engine; an intake pressure sensor for detecting an intake pressure value of the engine, as shown in fig. 4;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
under the condition that the atmospheric temperature value is less than or equal to the atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine, controlling the cooling liquid heater to be started so as to improve the temperature value of the cooling liquid, controlling the air inlet preheater to be started so as to improve the air inlet temperature value of the engine, and controlling the turbocharger to be started so as to improve the air inlet pressure value, wherein the whole machine controller can control the on-off time of the cooling liquid heater, the air inlet preheater and the turbocharger through a relay;
under the condition that the coolant temperature value reaches a coolant temperature threshold value, the intake air temperature value reaches an intake air temperature threshold value, and the intake air pressure value reaches an intake air pressure threshold value, controlling a display to display information allowing plateau starting;
the whole machine controller can control the rotating speed and the on-off time of the starter through a relay, and control the starter to start and increase the rotating speed of the starter under the condition of receiving a starter starting instruction, so that the starting time of the starter is prolonged until the engine is started;
and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the coolant heater, the intake air preheater, the turbocharger and the starter to be powered off.
The specific working principle and benefits of the plateau starting system for engineering machinery provided by the embodiment of the invention are the same as those of the plateau starting method for engineering machinery provided by the embodiment of the invention, and will not be described again here.
Correspondingly, the embodiment of the invention also provides engineering machinery, which comprises the plateau starting system for the engineering machinery according to any embodiment of the invention.
It should also be noted that 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 the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (13)
1. A plateau starting method for a construction machine, characterized by comprising:
acquiring an atmospheric temperature value and an altitude value; and
and starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value.
2. A plateau starting method as recited in claim 1, wherein the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value comprises:
controlling a turbocharger to start to increase an intake pressure value of an engine if the atmospheric temperature value is greater than an atmospheric temperature threshold and the altitude value is greater than or equal to a first altitude threshold and less than a second altitude threshold, wherein the first altitude threshold is less than the second altitude threshold;
under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the turbocharger and the starter to be powered off.
3. A plateau starting method as recited in claim 1, wherein the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value comprises:
under the condition that the atmospheric temperature value is greater than an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine and controlling the turbocharger to be started so as to improve the air inlet pressure value of the engine;
under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives an engine to start, controlling the fan clutch, the hydraulic pump clutch, the turbocharger and the starter to be powered off.
4. A plateau starting method as recited in claim 1, wherein the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value comprises:
controlling an intake air preheater to be started to increase an intake air temperature value of the engine under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is less than a first altitude threshold value;
controlling a display to display information allowing plateau starting under the condition that the intake air temperature value reaches an intake air temperature threshold value;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the air inlet preheater and the starter to be powered off.
5. A plateau starting method as recited in claim 1, wherein the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value comprises:
under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a first altitude threshold value and less than a second altitude threshold value, controlling the starting of an intake air preheater to increase the intake air temperature value of the engine and controlling the starting of a turbocharger to increase the intake air pressure value of the engine, wherein the first altitude threshold value is less than the second altitude threshold value;
under the condition that the inlet air temperature value reaches an inlet air temperature threshold value and the inlet air pressure value reaches an inlet air pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the air inlet preheater, the turbocharger and the starter to be powered off.
6. A plateau starting method as recited in claim 1, wherein the starting of the corresponding plateau starting program according to the atmospheric temperature value and the altitude value comprises:
under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine, controlling the cooling liquid heater to be started so as to increase the cooling liquid temperature value of the engine, controlling the air inlet preheater to be started so as to increase the air inlet temperature value of the engine, and controlling the turbocharger to be started so as to increase the air inlet pressure value of the engine;
under the condition that the coolant temperature value reaches a coolant temperature threshold value, the intake air temperature value reaches an intake air temperature threshold value, and the intake air pressure value reaches an intake air pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the coolant heater, the intake air preheater, the turbocharger and the starter to be powered off.
7. A plateau start system for an engineering machine, comprising:
the atmospheric temperature sensor is used for acquiring an atmospheric temperature value;
altitude acquisition means for acquiring an altitude value; and
and the whole machine controller is used for starting a corresponding plateau starting program according to the atmospheric temperature value and the altitude value.
8. A plateau starting system according to claim 7, further comprising an intake pressure sensor for detecting an intake pressure value of the engine;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
controlling a turbocharger to start to increase an intake pressure value of an engine if the atmospheric temperature value is greater than an atmospheric temperature threshold and the altitude value is greater than or equal to a first altitude threshold and less than a second altitude threshold, wherein the first altitude threshold is less than the second altitude threshold;
under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the turbocharger and the starter to be powered off.
9. A plateau starting system according to claim 7, further comprising an intake pressure sensor for detecting an intake pressure value of the engine;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
under the condition that the atmospheric temperature value is greater than an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine and controlling the turbocharger to be started so as to improve the air inlet pressure value of the engine;
under the condition that the air inlet pressure value reaches an air inlet pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the turbocharger and the starter to be powered off.
10. A plateau starting system according to claim 7, further comprising an intake air temperature sensor for detecting an intake air temperature value of the engine;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
controlling an intake air preheater to be started to increase an intake air temperature value of the engine under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is less than a first altitude threshold value;
controlling a display to display information allowing plateau starting under the condition that the intake air temperature value reaches an intake air temperature threshold value;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the air inlet preheater and the starter to be powered off.
11. A plateau boot system as recited in claim 7, further comprising: an intake temperature sensor for detecting an intake temperature value of the engine; an intake pressure sensor for detecting an intake pressure value of the engine;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a first altitude threshold value and less than a second altitude threshold value, controlling the starting of an intake air preheater to increase the intake air temperature value of the engine and controlling the starting of a turbocharger to increase the intake air pressure value of the engine, wherein the first altitude threshold value is less than the second altitude threshold value;
under the condition that the inlet air temperature value reaches an inlet air temperature threshold value and the inlet air pressure value reaches an inlet air pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the air inlet preheater, the turbocharger and the starter to be powered off.
12. A plateau starting system according to claim 7, further comprising a coolant temperature sensor for detecting a coolant temperature value of the engine; an intake temperature sensor for detecting an intake temperature value of the engine; an intake pressure sensor for detecting an intake pressure value of the engine;
the whole machine controller starts a corresponding plateau starting program according to the atmospheric temperature value and the altitude value, and the whole machine controller comprises:
under the condition that the atmospheric temperature value is less than or equal to an atmospheric temperature threshold value and the altitude value is greater than or equal to a second altitude threshold value, controlling the fan clutch and the hydraulic pump clutch to be disconnected so as to reduce the starting load of the engine, controlling the cooling liquid heater to be started so as to increase the cooling liquid temperature value of the engine, controlling the air inlet preheater to be started so as to increase the air inlet temperature value of the engine, and controlling the turbocharger to be started so as to increase the air inlet pressure value of the engine;
under the condition that the coolant temperature value reaches a coolant temperature threshold value, the intake air temperature value reaches an intake air temperature threshold value, and the intake air pressure value reaches an intake air pressure threshold value, controlling a display to display information allowing plateau starting;
controlling the starter to start under the condition of receiving a starter starting instruction;
and after the starter drives the engine to start, controlling the fan clutch, the hydraulic pump clutch, the coolant heater, the intake air preheater, the turbocharger and the starter to be powered off.
13. A working machine, characterized in that the working machine comprises a plateau initiating system for a working machine as claimed in any one of claims 7-12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292050.7A CN111502885A (en) | 2020-04-14 | 2020-04-14 | Plateau starting method and system for engineering machinery and engineering machinery |
| CN2020102920507 | 2020-04-14 |
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| Publication Number | Publication Date |
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| CN111749829A true CN111749829A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010292050.7A Withdrawn CN111502885A (en) | 2020-04-14 | 2020-04-14 | Plateau starting method and system for engineering machinery and engineering machinery |
| CN202021553974.XU Active CN212429070U (en) | 2020-04-14 | 2020-07-30 | Plateau starting system for engineering machinery and engineering machinery |
| CN202010752216.9A Pending CN111749829A (en) | 2020-04-14 | 2020-07-30 | Plateau starting method and system for engineering machinery and engineering machinery |
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| CN202010292050.7A Withdrawn CN111502885A (en) | 2020-04-14 | 2020-04-14 | Plateau starting method and system for engineering machinery and engineering machinery |
| CN202021553974.XU Active CN212429070U (en) | 2020-04-14 | 2020-07-30 | Plateau starting system for engineering machinery and engineering machinery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619523A (en) * | 2021-08-11 | 2021-11-09 | 安徽江淮汽车集团股份有限公司 | Remote starting method and remote starting device for vehicle |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502885A (en) * | 2020-04-14 | 2020-08-07 | 中联重科股份有限公司 | Plateau starting method and system for engineering machinery and engineering machinery |
| CN112796365B (en) * | 2020-12-23 | 2022-03-04 | 中联重科土方机械有限公司 | Preloading method and device of excavator and excavator |
| CN113898513A (en) * | 2021-08-25 | 2022-01-07 | 东风汽车集团股份有限公司 | Control method and device of gasoline engine for hybrid vehicle |
| CN113847181B (en) * | 2021-08-26 | 2022-10-25 | 中联重科土方机械有限公司 | Engineering machinery starting method, device and system under plateau high and cold and engineering machinery |
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- 2020-04-14 CN CN202010292050.7A patent/CN111502885A/en not_active Withdrawn
- 2020-07-30 CN CN202021553974.XU patent/CN212429070U/en active Active
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| CN111502885A (en) | 2020-08-07 |
| CN212429070U (en) | 2021-01-29 |
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