CN111619821B - Control method and control system of ice removing vehicle heater, heater and ice removing vehicle - Google Patents
Control method and control system of ice removing vehicle heater, heater and ice removing vehicle Download PDFInfo
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- CN111619821B CN111619821B CN202010421673.XA CN202010421673A CN111619821B CN 111619821 B CN111619821 B CN 111619821B CN 202010421673 A CN202010421673 A CN 202010421673A CN 111619821 B CN111619821 B CN 111619821B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/20—Ground installations for de-icing aircraft
- B64F5/23—Ground installations for de-icing aircraft by liquid application; Spraying installations therefor, e.g. fitted on vehicles
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Abstract
The application discloses control method, control system, heater and deicing car of deicing car heater includes: acquiring the starting number of the combustion heads and the oil injection pressure of the combustion heads at the current gear; acquiring the starting number of combustion heads and the oil injection pressure of the combustion heads at a target gear; wherein the current gear and the target gear have at least different combustion head opening numbers; switching from the current gear to the target gear according to a preset control rule; the preset control rule is as follows: in each gear through which the switching process passes, one of the fuel injection pressure and the opening number of the combustion heads of two adjacent gears is the same, and the other is different. The control method and the control system for the heater of the deicing vehicle, the heater and the deicing vehicle can effectively prevent flameout.
Description
Technical Field
The present disclosure relates to an ice removing vehicle, and more particularly, to a method and a system for controlling a heater of an ice removing vehicle, a heater, and an ice removing vehicle.
Background
Under the condition of icing, ice, snow and frost directly affect the running safety of the airplane, so that the outer surface of the airplane becomes rough, the weight of the airplane is increased, the moving range of an airplane control surface is limited, instrument errors are caused, the airplane is further stalled to be increased and is abnormally raised instantly in serious cases, the flight performance of the airplane is greatly reduced, particularly when the airplane takes off and rises, the flight attitude is difficult to control, and air crash is caused seriously. Therefore, in order to ensure normal shipping and flight safety, the frost and snow on the surface of the aircraft must be removed.
The deicing vehicle applied to the airport at present is usually instant heating type, and in the process of deicing operation, the deicing fluid is heated to a preset temperature from the ambient temperature, so that the deicing operation can be carried out on the airplane; according to the needs of the workload, the heater of the deicing vehicle needs to complete gear shifting to change the oil injection pressure of the combustion head and the opening quantity of the combustion head, so that different heating effects are obtained, flameout phenomenon may occur in the gear shifting process, and then the deicing vehicle is caused to have poor deicing effect or the deicing operation is interrupted due to insufficient temperature, and the efficiency is influenced.
Disclosure of Invention
In view of the above, embodiments of the present application are intended to provide a control method, a control system, a heater and an ice-removing vehicle for an ice-removing vehicle, which can effectively solve the problem of flameout.
In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:
the control method of the ice removing vehicle heater comprises the following steps: acquiring the starting number of the combustion heads and the oil injection pressure of the combustion heads at the current gear; acquiring the starting number of combustion heads and the oil injection pressure of the combustion heads at a target gear; wherein the current gear and the target gear have at least different combustion head opening numbers; switching from the current gear to the target gear according to a preset control rule; the preset control rule is as follows: in each gear through which the switching process passes, one of the fuel injection pressure and the opening number of the combustion heads of two adjacent gears is the same, and the other is different.
Further, the step of obtaining the number of combustion head openings and the fuel injection pressure of the combustion head at the current gear specifically includes: receiving a first signal to confirm the opening number of the combustion heads at the current gear, and receiving a second signal to confirm the fuel injection pressure of the combustion heads at the current gear; or acquiring the preset opening number of the combustion heads and the preset fuel injection pressure of the combustion heads at the current gear.
Further, the step of obtaining the number of combustion head openings and the fuel injection pressure of the combustion head at the target gear specifically includes: and acquiring the preset opening number of the combustion heads and the preset fuel injection pressure of the combustion heads at the target gear.
Further, the current gear and the target gear have different combustion head opening numbers, and the current gear and the target gear have the same combustion head oil injection pressure; the step of switching from the current gear to the target gear according to a preset control rule specifically comprises: adjusting the number of combustion head openings to switch from the current gear to the target gear.
Further, the current gear and the target gear have different combustion head opening numbers, and the current gear and the target gear have different combustion head oil injection pressures; the step of switching from the current gear to the target gear according to a preset control rule specifically comprises: selecting one of a plurality of gears as a transition gear; the current gear is the same as the transition gear for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads; for the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads, the target gear is the same as the transition gear; adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the current gear to the transition gear; and adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the transition gear to the target gear.
Further, the step of adjusting the other one of the number of combustion head openings and the fuel injection pressure of the combustion head to switch from the current gear to the transition gear specifically includes: selecting one gear between the transition gear and the current gear as a first intermediate gear; the first intermediate gear and the transition gear are the same as the current gear for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads; for the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads, the transition gear, the first middle gear and the current gear are in descending or increasing relation; adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the current gear to a first intermediate gear; and adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the first intermediate gear to the transition gear.
Further, the step of adjusting one of the number of combustion head openings and the fuel injection pressure of the combustion head to switch from the transition gear to the target gear specifically includes: selecting one gear between the transition gear and the target gear as a second intermediate gear; the transition gear, the second intermediate gear and the target gear are in descending or ascending relation for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads; adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the transition gear to the second intermediate gear; and adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the second intermediate gear to the target gear.
Further, the opening number of the combustion heads at the current gear is smaller than that at the target gear, and the fuel injection pressure of the combustion heads at the current gear is larger than that at the target gear; the step of switching from the current gear to the target gear according to a preset control rule specifically comprises: selecting one of a plurality of gears as a transition gear; the number of the combustion heads in the current gear and the number of the combustion heads in the transition gear are the same; the fuel injection pressure of the target gear and the transition gear combustion head is the same; sequentially reducing the fuel injection pressure of the combustion heads under the condition of keeping the opening number of the combustion heads unchanged so as to switch from the current gear to the transition gear; and then increasing the opening number of the combustion head to switch from the transition gear to the target gear under the condition of keeping the fuel injection pressure of the combustion head unchanged.
Furthermore, the opening number of the combustion heads at the current gear is greater than that of the combustion heads at the target gear, and the fuel injection pressure of the combustion heads at the current gear is less than that of the combustion heads at the target gear; the step of switching from the current gear to the target gear according to a preset control rule specifically comprises: selecting one of a plurality of gears as a transition gear; the fuel injection pressure of the combustion head of the current gear is the same as that of the combustion head of the transition gear; the number of the combustion heads in the target gear and the number of the combustion heads in the transition gear are the same; reducing the opening number of the combustion heads under the condition of keeping the oil injection pressure of the combustion heads unchanged so as to switch from the current gear to the transition gear; and then increasing the fuel injection pressure of the combustion head under the condition of keeping the opening number of the combustion head unchanged so as to switch from the transition gear to the target gear.
A control system comprising a memory storing a program including the control method according to any one of claims 1 to 9.
11. A heater, comprising:
the burner comprises a plurality of burner heads, wherein each burner head comprises a flameout closed state and an open state for oil-injection combustion to heat liquid;
the control system of claim 10, wherein the control system controls the combustion head to switch between the closed state and the open state and controls a combustion head injection pressure of the combustion head;
the heater is provided with a plurality of gears, and each gear corresponds to the starting number of the combustion heads with the preset number and the preset fuel injection pressure of the combustion heads.
12. The heater of claim 11, including a first sensor for sensing the number of burners on, said first sensor being connected to said control system for feeding back a first signal.
13. The heater of claim 11, including a second sensor for sensing burner head injection pressure, said second sensor being connected to said control system for sending said second signal.
14. An ice removal vehicle, comprising: a vehicle body and a heater as claimed in any one of claims 11 to 13, the heater being provided on the vehicle body.
According to the control method and the control system of the deicing vehicle heater, the heater and the deicing vehicle, the current gear is switched to the target gear according to the preset control rule. The preset control rule is as follows: in each gear through which the switching process passes, one of the fuel injection pressure and the opening number of the combustion heads of two adjacent gears is the same, and the other is different. Thereby ensure to switch the gear each time, only change one of them of burner oil injection pressure and burner opening quantity, ensure not to take place the condition that changes two parameters simultaneously, and then make the range of change of the fuel that supplies to the burner little, effectively prevent to put out fire, guarantee that the burner can stabilize the oil spout burning, provide the heat, ensure the steady operation of heater.
Drawings
FIG. 1 is a schematic diagram of a heater configuration according to an embodiment of the present application;
FIG. 2 is a diagram of switching of heater stages in the prior art, in which the vertical axis represents the number of combustion starts and the horizontal axis represents the fuel injection pressure of the burner;
FIG. 3 is a graph showing the switching relationship between the heater stages according to an embodiment of the present disclosure, wherein the vertical axis represents the number of combustion events and the horizontal axis represents the fuel injection pressure of the burner head;
FIG. 4 illustrates a method for controlling a heater of an ice removing vehicle according to an embodiment of the present application;
FIG. 5 illustrates a method for controlling a heater of an ice removing vehicle according to another embodiment of the present application;
FIG. 6 illustrates a method for controlling a heater of an ice removing vehicle according to still another embodiment of the present application;
FIG. 7 illustrates a method for controlling a heater of an ice removing vehicle according to still another embodiment of the present application;
fig. 8 illustrates a method for controlling a heater of an ice removing vehicle according to still another embodiment of the present application.
Detailed Description
It should be noted that, in the case of conflict, the technical features in the examples and examples of the present application may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the present application and should not be construed as an improper limitation of the present application.
In the description of the embodiments of the present application, the "up", "down", "left", "right", "front", "back" orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, it is to be understood that these orientation terms are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present application.
As shown in fig. 2, in the prior art, the fuel injection pressure of the combustion heads and the opening number of the combustion heads of the gears of the heater of the deicing vehicle are usually preset by manufacturers, and for convenience of understanding, the fuel injection pressure of the combustion heads and the opening number of the combustion heads are arranged horizontally and longitudinally from large to small, so that the matrix arrangement of the gears can be obtained.
Specifically, taking a 50, b 1, that is, the number of burner ports is 1 to 3, and the burner port injection pressure is 100 to 150 to 200 as an example, wherein a gear with the number of burner ports being 1 and the burner port injection pressure being 100Pa is taken as a first gear, a gear with the number of burner ports being 1 and the burner port injection pressure being 150Pa is taken as a second gear, a gear with the number of burner ports being 1 and the burner port injection pressure being 200Pa is taken as a third gear, a gear with the number of burner ports being 2 and the burner port injection pressure being 100Pa is taken as a fourth gear, and so on.
During the shifting of the gears according to the prior art, the route from the first gear to the second gear to the third gear … … to the ninth gear is followed. Namely according to the following rules:
the gear is switched from small to large, the fuel injection pressure of the combustion head is gradually increased by switching the gear, the fuel injection pressure of the combustion head is adjusted to be the minimum value after the maximum fuel injection pressure of the combustion head is reached, and the opening number of the combustion head is increased until the fuel injection pressure of the combustion head and the opening number of the combustion head reach the preset value. And the gears are switched from large to small, the fuel injection pressure of the combustion head is gradually reduced by switching the gears, the fuel injection pressure of the combustion head is adjusted to be the maximum value after the fuel injection pressure of the combustion head reaches the minimum value of the fuel injection pressure of the combustion head, and the opening number of the combustion head is reduced until the fuel injection pressure of the combustion head and the opening number of the combustion head reach the preset value.
Therefore, according to the opening number and the injection pressure of the combustion heads included in different gears, the following conditions can occur:
when the initial gear is a first gear, switching to a third gear is needed, and the switching route is from the first gear to the second gear to the third gear; the change of the opening number of the combustion heads is not involved, and the switching can be completed only by adjusting the oil injection pressure of the combustion heads. Similarly, the third gear is switched to the first gear, the sixth gear is switched to the fourth gear, the ninth gear is switched to the seventh gear, and the like, and the switching route is not described again.
When the initial gear is a first gear, the initial gear needs to be switched to a fifth gear, the switching route is from the first gear to the second gear to the third gear to the fourth gear to the fifth gear, in the process, the first gear to the second gear, the second gear to the third gear and the fourth gear to the fifth gear are all used for sequentially adjusting the fuel injection pressure of the combustion head, the change range is small, but the fuel injection pressure of the combustion head jumps from the maximum 200Pa to the maximum 100Pa from the third gear to the fourth gear; and the number of burner ports is changed from 1 to 2, the fuel (not shown) supplied to the burner ports 42 is unstable due to a large change in the amount of fuel injected and a sharp fluctuation in pressure, and thus, the fuel is injected too much or too little, resulting in occurrence of a misfire. Similarly, as long as the change of the longitudinal axis (namely the change of the opening number of the combustion heads) is involved in gear shifting, flameout is easy to occur, so that the deicing effect of the deicing vehicle is poor or the deicing operation is interrupted due to insufficient temperature, and the efficiency is affected.
An ice removing vehicle comprising: the heating device comprises a vehicle body and a heater, wherein the heater is arranged on the vehicle body to heat the deicing fluid. As shown in fig. 1, 3 to 8, the heater includes a burner 4 and a control system (not shown). Burner 4 comprises a plurality of burner heads 42, burner heads 42 comprising a shut-off condition, in which they are extinguished, and an open condition, in which the combustion takes place in the form of oil jets for heating the liquid. The control system includes a memory (not shown) on which a program including the control method is stored.
The heater has a plurality of gears, and each gear corresponds the combustion head opening quantity of preset quantity and the preset combustion head oil injection pressure.
In the embodiment of the present application, the control system executes the control method in accordance with a program to control the switching of the combustion head 42 between the closed state and the open state and to control the combustion head injection pressure of the combustion head 42; thereby changing the fuel injection pressure of the combustion head and the opening number of the combustion head, and further obtaining different heating effects.
As shown in fig. 1 and 3 to 8, the method for controlling the heater of the ice-removing vehicle includes:
and S10, acquiring the opening number of the combustion head and the fuel injection pressure of the combustion head of the current gear.
Specifically, the number of burner head openings and the burner head injection pressure for each gear may be set in advance. When the control method is implemented, the preset opening number of the combustion heads and the fuel injection pressure of the combustion heads at the current gear can be obtained. Besides, the heater also can comprise a first sensor for sensing the opening number of the combustion head and a second sensor for sensing the fuel injection pressure of the combustion head; the first sensor is connected with the control system to feed back a first signal, the first sensor can be a resistance sensor or a displacement sensor, the second sensor is connected with the control system to send a second signal, and the second sensor can be a pressure-sensitive sensor or a fluid sensor. When the control method is implemented, the opening number of the combustion head in the current gear can be confirmed by receiving the first signal, and the fuel injection pressure of the combustion head in the current gear can be confirmed by receiving the second signal.
And S20, acquiring the opening number of the combustion heads and the fuel injection pressure of the combustion heads at the target gear. The current gear and the target gear have at least different numbers of combustion head openings.
Specifically, the number of burner ports opened and the burner port injection pressure at the gear are set in advance. When the control method is implemented, the opening number of the combustion heads and the fuel injection pressure of the combustion heads at the preset target gear can be directly obtained.
It is understood that there is no logical precedence relationship between the steps S10 and S20, and the order may be changed or performed simultaneously.
And S30, switching from the current gear to the target gear according to a preset control rule. The preset control rule is as follows: in each gear through which the switching process passes, one of the fuel injection pressure and the opening number of the combustion heads of two adjacent gears is the same, and the other is different.
Specifically, for the current gear and the target gear, the shift gear is no longer routed from first gear to second gear to third gear … … through to ninth gear; but ensure to switch the gear each time, only change one of combustion head fuel injection pressure and combustion head opening quantity, ensure not to take place the condition that changes two parameters simultaneously, and then make the range of change of the fuel of supplying to combustion head 42 little, effectively prevent to put out a fire, guarantee that combustion head 42 can stabilize the oil spout burning, provide the heat, ensure the steady operation of heater.
One possible implementation, as shown in fig. 1, 3 and 5, is that the current gear and the target gear have different numbers of burner head openings, and the current gear and the target gear have the same burner head injection pressure;
the step S30 specifically includes:
and S31, adjusting the opening number of the combustion heads to switch from the current gear to the target gear.
Taking the first gear to the eighth gear as an example, keeping the fuel injection pressure of the combustion heads unchanged, and adjusting the opening number of the combustion heads from b to 3b to complete gear switching. It should be noted that the shift position may be from first gear to fifth gear to eighth gear, the corresponding number of the combustion head openings is changed from b to 2b to 3b, or from first gear to eighth gear, and the corresponding number of the combustion head openings is changed from b to 3b directly. In the switching route of this embodiment, the three-gear switching to the fourth gear and the seven-gear switching to the eight gear in the prior art are not performed, so that the situation that two parameters are changed simultaneously is not generated, the variation range of the fuel supplied to the combustion head 42 is small, flameout is effectively prevented, stable fuel injection and combustion of the combustion head 42 are ensured, heat is provided, and stable operation of the heater is ensured.
One possible implementation, as shown in fig. 1, 3 and 6, is that the current gear and the target gear have different numbers of burner head openings, and the current gear and the target gear have different burner head injection pressures;
the step S30 specifically includes:
and S32, selecting one gear from the gears as a transition gear. Wherein, for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads, the current gear is the same as the transition gear; and for the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads, the target gear is the same as the transition gear.
And S33, adjusting the other one of the opening number of the combustion head and the fuel injection pressure of the combustion head to switch from the current gear to the transition gear.
And S34, adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the transition gear to the target gear.
Take the current gear as the first gear and shift to the sixth gear as the target gear as an example. Selecting a second gear as a transition gear, and adjusting the oil injection pressure of a combustion head to switch from the first gear to the second gear; and adjusting the starting number of the combustion heads to switch from the second gear to the sixth gear to complete gear switching.
Take the current gear as the first gear and shift to the ninth gear as the target gear as an example. Selecting a second gear as a transition gear, and adjusting the oil injection pressure of a combustion head to switch from the first gear to the second gear; and adjusting the starting number of the combustion heads to switch from the second gear to the ninth gear to complete gear switching. It should be noted that the gear may be from second gear to sixth gear to ninth gear, the number of the corresponding combustion head openings is changed from b to 2b to 3b, or from second gear to ninth gear, and the number of the corresponding combustion head openings is changed from b to 3b directly.
Take the current gear as the first gear and switch to the fourth gear as the target gear as an example. Selecting a fifth gear as a transition gear, and adjusting the starting number of the combustion heads to switch from the first gear to the fifth gear; and adjusting the fuel injection pressure of the combustion head to switch from the fifth gear to the fourth gear to complete gear switching.
In the switching process, the situation that two parameters are changed simultaneously cannot happen, so that the change range of the fuel supplied to the combustion head 42 is small, flameout is effectively prevented, the combustion head 42 can stably inject fuel for combustion, heat is provided, and stable operation of the heater is ensured.
In addition, taking the current gear as the first gear and switching to the tenth gear as the target gear as an example; the third gear or the eighth gear can be selected as a transition gear according to the process, so that gear switching is completed; a staged switching pattern may also be performed.
In the first stage, the current gear is used as a first gear, the target gear is used as a sixth gear, a second gear is selected as a transition gear, and the fuel injection pressure of a combustion head is adjusted to switch from the first gear to the second gear; and adjusting the starting number of the combustion heads to switch from the second gear to the sixth gear, thereby completing the gear switching at the stage. In the second stage, the current gear is a sixth gear, the target gear is a tenth gear, a seventh gear is selected as a transition gear, and the fuel injection pressure of the combustion head is adjusted to switch from the sixth gear to the seventh gear; and adjusting the starting number of the combustion heads to switch from a seventh gear to a tenth gear, thereby finishing the gear switching at the stage. The process of the two stages is integrated to complete the process of switching from the first gear to the ten gear serving as the target gear.
Taking the current gear as the third gear and the target gear as the eleventh gear as an example, the switching is performed. In the first stage, the current gear is taken as the third gear, the target gear is taken as the eighth gear, ten gears are selected as transition gears, the opening number of the combustion heads is adjusted to switch from the third gear to the tenth gear, and then the oil injection pressure of the combustion heads is adjusted to switch from the tenth gear to the eighth gear, so that the gear switching in the stage is completed. And in the second stage, the oil injection quantity of the combustion head is adjusted to switch from eight gears to eleven gears, so that the switching is completed.
Taking the current gear as the fourth gear and the target gear as the tenth gear as an example, the switching is performed. In the first stage, the current gear is a fourth gear, the target gear is an eighth gear, a fifth gear is selected as a transition gear, the opening number of the combustion heads is adjusted to switch from the fourth gear to the fifth gear, and then the oil injection pressure of the combustion heads is adjusted to switch from the fifth gear to the eighth gear, so that the gear switching in the stage is completed. And in the second stage, the fuel injection pressure of the combustion head is adjusted to switch from eight gears to ten gears, so that the switching is completed.
Each phase switching route of each embodiment is only an illustration, in the actual operation process, the switching route can be reasonably selected according to needs, and at least one phase can be separately regarded as implementing the control method in any implementation manner of the present application once. Therefore, the situation that two parameters are changed simultaneously can not occur in the switching process, so that the change range of the fuel supplied to the combustion head 42 is small, flameout is effectively prevented, the combustion head 42 can stably inject fuel and burn, heat is provided, and the stable operation of the heater is ensured.
In the embodiments of the present application, one of them and the other are all specified; for example, the opening number of the combustion heads of the current gear and the transition gear is the same, one of the opening number refers specifically to the opening number of the combustion heads, and the other refers specifically to the fuel injection pressure of the combustion heads; for another example, the fuel injection pressure of the combustion head of the current gear is the same as that of the transition gear, one of which refers to the fuel injection pressure of the combustion head, and the other refers to the opening number of the combustion head, which is determined by the selected transition gear.
Generally, there are a plurality of gears corresponding to the transition gear, and any one of the gears corresponding to the requirement can be used as the transition gear to complete the above process. During the process of switching from the current gear to the transition gear and switching from the transition gear to the target gear, the corresponding parameters can be changed in a gradual mode, for example, the opening number of the combustion heads can be changed from b to 2b to 3b, and can also be changed from b to 3b directly. The same applies to the fuel injection pressure of the burner.
One possible implementation manner, as shown in fig. 1 and fig. 3, the step S33 specifically includes:
and S331, selecting one gear between the transition gear and the current gear as a first intermediate gear. The first intermediate gear and the transition gear are the same as the current gear for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads; for the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads, the transition gear, the first middle gear and the current gear are in descending or increasing relation.
And S332, adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the current gear to the first middle gear.
And S333, adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the first intermediate gear to the transition gear.
Taking the current gear as the first gear and switching to the ten gears as the target gear as an example; if eight gears are selected as the transition gears, the fifth gear between the first gear and the eighth gear can be selected as the first intermediate gear. The opening number of the combustion heads of the first middle gear and the target gear is different from the oil injection pressure of the combustion heads. Adjusting the number of the combustion heads to be opened, wherein the number is changed from b to 2b, so as to switch from the first gear to the fifth gear; and adjusting the opening number of the combustion heads, wherein the number is changed from 2b to 3b, so as to switch from the fifth gear to the eighth gear. Can make the smooth switching from current gear to transition gear through gear in the middle of first, and then ensure that the range of change of the fuel of supplying to burner head 42 is little, effectively prevent to put out a fire, guarantee that burner head 42 can stabilize the oil spout burning, provide the heat, ensure the steady operation of heater.
One possible implementation manner, as shown in fig. 1 and fig. 3, the step S34 specifically includes:
and S341, selecting one gear between the transition gear and the target gear as a second intermediate gear. The transition gear, the second intermediate gear and the target gear are in descending or ascending relation for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads.
And S342, adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the transition gear to the second intermediate gear.
And S343, adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the second intermediate gear to the target gear.
Taking the current gear as the first gear and switching to the ten gears as the target gear as an example; selecting third gear as the transition gear, seventh gear between third gear and tenth gear may be selected as the second intermediate gear. The opening number of the combustion heads of the second middle gear and the current gear is different from the oil injection pressure of the combustion heads. Adjusting the number of the combustion heads to be opened, wherein the number is changed from b to 2b, so as to switch from the third gear to the seventh gear; and adjusting the opening number of the combustion heads, wherein the number is changed from 2b to 3b, so as to switch from seven gear to ten gear. The shift from the transition gear to the target gear can be smooth through the second intermediate gear, so that the change range of fuel supplied to the combustion head 42 is small, flameout is effectively prevented, stable oil injection combustion of the combustion head 42 can be guaranteed, heat is provided, and stable operation of the heater is guaranteed.
There may be a plurality of first intermediate gears and second intermediate gears, as shown in fig. 3, and in combination with the above embodiment, the following switching routes may be adopted for switching between the current gear and the target gear:
the current gear is first gear, the target gear is thirteen gear, the eleven gear is selected as transition gear, and the switching route is first gear to fifth gear to eighth gear to eleventh gear to twelfth gear to thirteenth gear.
The current gear is thirteen gears, the target gear is first gear, the selected third gear is transition gear, and the switching route is thirteen gears to ten gears to seven gears to three gears to second gears to first gears.
The current gear is eleven gears, the target gear is three gears, the selected first gear is a transition gear, and the switching route is eleven gears to eight gears to five gears to first gear to second gear to third gear.
The current gear is thirteen gears, the target gear is four gears, the selected seventh gear is a transition gear, and the switching route is thirteen gears to ten gears to seven gears to six gears to five gears to four gears.
The first intermediate gear and the second intermediate gear can enable process parameters to be changed more smoothly when the current gear is switched to the transition gear and the transition gear is switched to the target gear, so that the combustion head 42 is prevented from extinguishing, the combustion head 42 can stably inject fuel to burn, heat is provided, and stable operation of the heater is guaranteed.
In one possible embodiment, as shown in fig. 1, 3 and 7, the number of burner ports opened in the current gear is smaller than that of the target gear, and the burner port injection pressure in the current gear is larger than that in the target gear.
The step S30 specifically includes:
and S35, selecting one gear from the gears as a transition gear. The number of the combustion heads in the current gear and the number of the combustion heads in the transition gear are the same; the fuel injection pressure of the target gear and the transition gear combustion head is the same.
S36, sequentially reducing the fuel injection pressure of the combustion heads under the condition of keeping the opening number of the combustion heads unchanged so as to switch from the current gear to a transition gear; and then increasing the opening number of the combustion head under the condition of keeping the fuel injection pressure of the combustion head unchanged to switch from the transition gear to the target gear.
Taking the current gear as seven gear and the target gear as eight gear as an example, selecting five gear as a transition gear; specifically, the opening number of the combustion heads is kept unchanged, and the fuel injection pressure of the combustion heads is reduced to switch from a seventh gear to a fifth gear; and keeping the oil injection pressure of the combustion head unchanged, and increasing the opening number of the combustion head so as to switch from the fifth gear to the eighth gear to complete gear switching.
In the switching process, the fifth gear is lower than the seventh gear, and compared with the tenth gear which is selected as a transition gear, the heat generated by the combustion of the fuel oil sprayed by the combustion head 42 corresponding to the fifth gear is lower, so that the sudden temperature of the liquid cannot be overhigh, the heating effect is ensured, and the heater can stably operate.
In one possible embodiment, as shown in fig. 1, 3 and 8, the number of burner ports opened in the current gear is greater than that of the target gear, and the fuel injection pressure of the burner ports in the current gear is less than that of the target gear.
The step S30 specifically includes:
and S37, selecting one gear from the gears as a transition gear. The fuel injection pressure of the combustion head at the current gear is the same as that of the combustion head at the transition gear; the number of the combustion heads in the target gear and the number of the combustion heads in the transition gear are the same.
S38, reducing the opening number of the combustion head under the condition of keeping the fuel injection pressure of the combustion head unchanged so as to switch from the current gear to a transition gear; and then increasing the fuel injection pressure of the combustion head under the condition of keeping the opening number of the combustion head unchanged to switch from the transition gear to the target gear.
Taking the current gear as the eighth gear and the target gear as the seventh gear as an example, selecting the fifth gear as a transition gear; specifically, the fuel injection pressure of the combustion head is kept unchanged, and the opening number of the combustion head is reduced to switch from the eighth gear to the fifth gear; and keeping the opening number of the combustion heads unchanged, and increasing the oil injection pressure of the combustion heads so as to switch from the fifth gear to the seventh gear to complete gear switching.
In the switching process, the fifth gear is lower than the seventh gear, and compared with the tenth gear which is selected as a transition gear, the heat generated by burning the fuel sprayed by the combustion head corresponding to the fifth gear is lower, so that the sudden temperature of the liquid cannot be overhigh, the heating effect is ensured, and the heater can stably operate.
It can be understood that the liquid temperature is low, the fuel can be sprayed out from the combustion head 42 to burn so as to rapidly obtain heat, the consumption time is short, and the influence time on the deicing vehicle is short; when the temperature of the liquid is ultrahigh, the temperature can be reduced only by self-heat dissipation of the liquid, the influence time on the deicing vehicle is long, the operation quality and efficiency are influenced, and the increase of the heat dissipation device can make the system structure of the deicing vehicle more complicated and the cost is increased, so that the condition of ultrahigh temperature in the heating process is avoided as much as possible.
In one possible embodiment, the control system adjusts the fuel injection pressure of the burner head by controlling a fuel injection pump (not shown) to increase the output oil pressure or decrease the output oil pressure; the control system controls the corresponding burner head 42 to be in the open state or the closed state to adjust the number of burner heads that are open.
One possible embodiment, as shown in fig. 1, the heater comprises a furnace body 1 with an opening 12 at one end, an end cap 3 with a mounting port 31, and a coil 2. Be formed with in the furnace body 1 and hold chamber 11, be formed with exhaust port 13 on the furnace body 1, exhaust port 13 intercommunication holds the outside of chamber 11 and furnace body 1. End cover 3 fixed connection is on opening 12, and coil pipe 2 is set up in holding chamber 11 spirally, and the both ends of coil pipe 2 communicate the outside of furnace body 1 respectively, are used for flowing through the liquid that needs the heating in the coil pipe 2, and the liquid can be water, anti-icing liquid or deicing fluid. The burner 4 comprises a buried part 41, the buried part 41 is fixedly connected in the accommodating cavity 11 through the mounting port 31, and the burner head 42 is arranged in the buried part 41 to realize fixation.
As shown in fig. 1 and fig. 3, taking a to 50 and b to 1 as an example, the heater includes a zero gear, a first gear, a second gear, and up to a thirteen gear, the number of the combustion heads 42 is four, the zero gear, the first gear, and the third gear of the heater all correspond to turning on one combustion head 42, the fourth gear to the seventh gear of the heater all correspond to turning on two combustion heads 42, and the eighth gear to the tenth gear of the heater all correspond to turning on three combustion heads 42; eleven to thirteen gears of the heater are corresponding to the opening of the four burning heads 42.
Wherein, the heater is sequentially arranged with zero gear, first gear, second gear to thirteen gears, and the corresponding oil injection pressure range is 50Pa-200 Pa. The oil injection pressures of the combustion heads corresponding to the first gear, the fifth gear, the eighth gear and the eleventh gear of the heater are all equal, and the oil injection pressure of the combustion heads is 100 Pa; the oil injection pressures of combustion heads corresponding to the second gear, the sixth gear, the ninth gear and the twelfth gear of the heater are equal, and the oil injection pressure of the combustion heads is 150 Pa; the oil injection pressures of the combustion heads 42 corresponding to the third gear, the seventh gear, the tenth gear and the thirteen gear of the heater are all equal, and the oil injection pressure of the combustion heads is 200 Pa; the oil injection pressure of the combustion heads corresponding to the zero gear and the fourth gear is 50 Pa; the oil injection pressures of the fourth gear, the first gear, the second gear and the third gear are increased in sequence. The zero gear is a starting gear and is used for an initial gear during execution of each step.
Of course, the injection pressure range may also be 100Pa to 300Pa, and the specific injection pressure of the combustion head corresponding to the gear is similar to the setting process, and will not be described herein again.
It can be understood that in the embodiments of the present application, the values a and b of the number of combustion head openings and the fuel injection pressure of the combustion head may vary according to the actual settings, and each gear is arranged according to the relationship between the number of combustion head openings and the fuel injection pressure of the combustion head; the arrangement in fig. 2 and 3 does not mean that the gears are placed according to the orientation in the actual structure, but only the relationship between the opening number of the combustion head and the fuel injection pressure of the combustion head of each gear is used to facilitate understanding of the switching route between the gears.
In addition, the fuel oil combustion necessarily involves air, and usually a fan (not shown) is used for blowing air with corresponding components into the furnace body 1, each gear can also be considered to correspond to different air volume or air pressure of the fan, the relationship between the air pressure of the fan and the gear can be preset in advance, the fuel oil is obtained by calculation or actual measurement according to the amount of fuel oil sprayed out under each gear, and the fuel oil can be ensured to be fully combusted by the fan corresponding to the gear regardless of the switching of the gear.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (12)
1. The control method of the ice removing vehicle heater is characterized by comprising the following steps:
acquiring the starting number of the combustion heads and the oil injection pressure of the combustion heads at the current gear;
acquiring the starting number of combustion heads and the oil injection pressure of the combustion heads at a target gear; the current gear and the target gear have different combustion head opening numbers, and the current gear and the target gear have different combustion head oil injection pressures;
switching from the current gear to the target gear according to a preset control rule; the preset control rule is as follows: in each gear through which the switching process passes, one of the fuel injection pressure and the opening number of the combustion heads of two adjacent gears is the same, and the other is different;
the step of switching from the current gear to the target gear according to a preset control rule comprises the following steps:
selecting one of a plurality of gears as a transition gear; the current gear is the same as the transition gear for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads; for the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads, the target gear is the same as the transition gear;
adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the current gear to the transition gear;
and adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the transition gear to the target gear.
2. The control method according to claim 1, wherein the step of obtaining the number of burner tips opened and the burner tip injection pressure in the current gear specifically comprises:
receiving a first signal to confirm the opening number of the combustion heads at the current gear, and receiving a second signal to confirm the fuel injection pressure of the combustion heads at the current gear;
or acquiring the preset opening number of the combustion heads and the preset fuel injection pressure of the combustion heads at the current gear.
3. The control method according to claim 1, wherein the step of obtaining the number of burner tips opening and the burner tip fuel injection pressure in the target gear specifically comprises:
and acquiring the preset opening number of the combustion heads and the preset fuel injection pressure of the combustion heads at the target gear.
4. The control method according to claim 1, wherein the step of adjusting the other one of the number of burner tips opened and the burner tip injection pressure to switch from the current gear to the transition gear specifically comprises:
selecting one gear between the transition gear and the current gear as a first intermediate gear; the first intermediate gear and the transition gear are the same as the current gear for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads; for the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads, the transition gear, the first middle gear and the current gear are in descending or increasing relation;
adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the current gear to a first intermediate gear;
and adjusting the other one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the first intermediate gear to the transition gear.
5. The control method according to claim 1 or 4, wherein the step of adjusting one of the number of burner heads open and the burner head injection pressure to switch from the transition gear to the target gear specifically comprises:
selecting one gear between the transition gear and the target gear as a second intermediate gear; the transition gear, the second intermediate gear and the target gear are in descending or ascending relation for one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads;
adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the transition gear to the second intermediate gear;
and adjusting one of the opening number of the combustion heads and the fuel injection pressure of the combustion heads to switch from the second intermediate gear to the target gear.
6. The control method according to claim 1, wherein the number of burner ports opened in the current gear is smaller than the number of burner ports opened in the target gear, and the burner port injection pressure in the current gear is greater than the burner port injection pressure in the target gear;
the step of switching from the current gear to the target gear according to a preset control rule specifically comprises:
selecting one of a plurality of gears as a transition gear; the number of the combustion heads in the current gear and the number of the combustion heads in the transition gear are the same; the fuel injection pressure of the target gear and the transition gear combustion head is the same;
sequentially reducing the fuel injection pressure of the combustion heads under the condition of keeping the opening number of the combustion heads unchanged so as to switch from the current gear to the transition gear; and then increasing the opening number of the combustion head to switch from the transition gear to the target gear under the condition of keeping the fuel injection pressure of the combustion head unchanged.
7. The control method according to claim 1, wherein the number of burner ports opened in the current gear is greater than the number of burner ports opened in the target gear, and the burner port injection pressure in the current gear is less than the burner port injection pressure in the target gear;
the step of switching from the current gear to the target gear according to a preset control rule specifically comprises:
selecting one of a plurality of gears as a transition gear; the fuel injection pressure of the combustion head of the current gear is the same as that of the combustion head of the transition gear; the number of the combustion heads in the target gear and the number of the combustion heads in the transition gear are the same;
reducing the opening number of the combustion heads under the condition of keeping the oil injection pressure of the combustion heads unchanged so as to switch from the current gear to the transition gear; and then increasing the fuel injection pressure of the combustion head under the condition of keeping the opening number of the combustion head unchanged so as to switch from the transition gear to the target gear.
8. A control system characterized by comprising a memory storing a program including the control method according to any one of claims 1 to 7.
9. A heater, comprising:
a burner (4), said burner (4) comprising a plurality of burner heads (42), said burner heads (42) comprising a shut-off condition with extinction and an on condition with oil injection for heating the liquid;
and a control system according to claim 8, which controls the switching of the burner head (42) between a closed state and an open state and controls the burner head injection pressure of the burner head (42);
the heater is provided with a plurality of gears, and each gear corresponds to the starting number of the combustion heads with the preset number and the preset fuel injection pressure of the combustion heads.
10. The heater of claim 9, including a first sensor for sensing the number of burners on, said first sensor being connected to said control system for feeding back a first signal.
11. The heater of claim 10, including a second sensor for sensing burner head injection pressure, said second sensor being connected to said control system for sending said second signal.
12. An ice removal vehicle, comprising: a vehicle body and a heater as claimed in any one of claims 9 to 11, the heater being provided on the vehicle body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010421673.XA CN111619821B (en) | 2020-05-18 | 2020-05-18 | Control method and control system of ice removing vehicle heater, heater and ice removing vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010421673.XA CN111619821B (en) | 2020-05-18 | 2020-05-18 | Control method and control system of ice removing vehicle heater, heater and ice removing vehicle |
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| CN111619821B true CN111619821B (en) | 2022-03-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ZA716641B (en) * | 1970-10-16 | 1973-05-30 | Ginter Corp | Temperature control of flame to avoid noxious products of combustion |
| JPH0988030A (en) * | 1995-09-21 | 1997-03-31 | Yamadai Kiden Kk | Snow thawing device by rotary sprinkling water |
| JP2002004236A (en) * | 2000-06-19 | 2002-01-09 | Daiwatekku Kk | Controller for snow removal device |
| CN202035465U (en) * | 2011-04-14 | 2011-11-16 | 湖南省烟草公司永州市公司 | Biomass gasification gas stove for baking tobacco leaves |
| CN202709480U (en) * | 2012-08-18 | 2013-01-30 | 顾长相 | Gas water heater with water distribution valve |
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