CN107187773B - A kind of back door of rubbish bin control system and control method - Google Patents
A kind of back door of rubbish bin control system and control method Download PDFInfo
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- CN107187773B CN107187773B CN201710445687.3A CN201710445687A CN107187773B CN 107187773 B CN107187773 B CN 107187773B CN 201710445687 A CN201710445687 A CN 201710445687A CN 107187773 B CN107187773 B CN 107187773B
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- back door
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- latch hook
- closing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
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Abstract
The present invention discloses a kind of back door of rubbish bin control system and control method, control system includes first pressure sensor, second pressure sensor, selection switch, controller, discharging alarm buzzer, latch hook closing valve and back door opening valve, first pressure sensor, second pressure sensor and selection switch are separately connected the input terminal of controller, and the output end of controller is separately connected discharging alarm buzzer, latch hook closes valve and back door opening valve.Controller judges the location status at latch hook and back door according to the pressure in latch hook and the hydraulic circuit at back door to judge the movement of the following execution.The present invention improves the safety of whole system, reliability.The present invention play prevent because close to switch erroneous judgement and caused by constructive interference damage mechanism purpose.
Description
Technical field
The present invention relates to sanitation equipment field more particularly to a kind of back door of rubbish bin control systems and control method.
Background technique
Currently, the back door latch hook of domestic environmental sanitation vehicles is generally by judging latch hook close to the position of switch detection latch hook
Location status.By judging the position at latch hook and back door close to switch, corresponding movement is then executed.The entire action cycle is big
Cause can be divided into: latch hook is opened, back door is opened, back door is closed, latch hook is closed.Because close to switch, there are an induction sections, should
Incuding section to approach switch is the center of circle to the fan-shaped distribution of one side, so using, close to switch, as detection sensor, there are one
Fixed location error just will feed back to control by signal in place close to switch when latch hook, back door do not completely arrive at corresponding position
System, there are small-scale errors.Because sanitation cart needs to unload rubbish by back door, uses close to switch as position and pass
Sensor is possible to meeting sticky upper iron block, iron filings, will lead to close to erroneous judgement for a long time is switched, will lead to control system in the case of this kind and patrol
It is volume not normal, it may be damaged back door retaining mechanism.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of back door of rubbish bin control system and controlling parties
Method.
The technical solution adopted by the present invention is that:
A kind of back door of rubbish bin control system comprising first pressure sensor, second pressure sensor, selection switch,
Controller, discharging alarm buzzer, latch hook close valve and back door opening valve, first pressure sensor, second pressure sensor and
Selection switch is separately connected the input terminal of controller, and the output end of controller is separately connected discharging alarm buzzer, latch hook is closed
Valve and back door opening valve,
First pressure sensor is used to detect the hydraulic pressure that latch hook opens oil circuit, and selection switch, which is used to input, to be opened, closes
Order is closed, second pressure sensor is used to detect the hydraulic pressure that oil circuit is closed at back door, and controller is for entire control system
Logical process, the beginning and end that discharging alarm buzzer is used to that back door to be warned to open the period, after back door opening valve is for controlling
Door lock hook opens oil circuit and the switching of oil circuit is opened at back door, and latch hook closes valve, and for controlling, oil circuit is closed at back door and latch hook closes oil
The switching on road.
Further, first pressure sensor and second pressure sensor only feed back corresponding synchronous electric signal, i.e., and first
When pressure sensor and second pressure sensor detect hydraulic pressure, electric signal, first pressure sensor and the second pressure are fed back
When force snesor does not detect hydraulic pressure, electric signal is not fed back.
Further, when first pressure sensor detects pressure signal, controller exports the control of discharging alarm signal
The alarm of discharging alarm buzzer.
Further, when first pressure sensor detects that pressure signal reaches the unlatching response time, controller cutting
Back door open signal is exported while latch hook shutdown signal to back door opening valve, and opens latch hook under the cooperation of back door opening valve
And open back door.
The invention also discloses a kind of back door of rubbish bin control methods comprising back door of rubbish bin open method and dustbin
Back door method for closing, the back door of rubbish bin open method comprising following steps:
S000: switching input open signal by selection, and latch hook is opened and is filled with hydraulic oil in oil circuit, and driving latch hook is opened,
First pressure sensor detection latch hook opens the unlatching oil pressure relief in oil circuit and transmits corresponding electric signal to controller；
S001: controller judges whether the duration for opening oil pressure relief signal is greater than zero；Believe when opening oil pressure relief
Number duration be greater than zero when, execute step S002；Otherwise, step S001 is executed；
S002: controller exports the driving discharging alarm buzzer alarm of discharging alarm signal；
S003: controller judges whether the duration for opening oil pressure relief signal is not less than and opens the response time；When opening
When opening the duration of oil pressure relief signal not less than the response time is opened, step S004 is executed, otherwise, executes step S003
S004: controller exports back door open signal to back door opening valve, and opening Vavle switching hydraulic circuit by back door makes
Back door is opened oil circuit and is connected, and back door breakdown action is executed；
S005: controller cutting output latch hook shutdown signal, latch hook close valve power loss, and it is hydraulic to close Vavle switching by latch hook
It is cut-off that oil circuit makes latch hook close oil circuit；
The back door of rubbish bin method for closing comprising following steps:
S100: switching input shutdown signal by selection, and back door, which is closed in oil circuit, is filled with hydraulic oil, and driving back door is closed,
Second pressure sensor detects the closing oil pressure relief that back door is closed in oil circuit and transmits corresponding electric signal to controller；
S101: controller judges whether the duration for closing oil pressure relief signal is not less than back door and closes the response time；
When the duration for closing oil pressure relief signal closing the response time not less than back door, step S102 is executed；Otherwise, step is executed
Rapid S101；
S102: controller export latch hook shutdown signal, latch hook close valve obtain it is electric, pass through latch hook close Vavle switching hydraulic circuit
Make latch hook close oil circuit to connect, executes latch hook closing motion
S103: it is hydraulic to open Vavle switching by back door for controller cutting output back door open signal, back door opening valve power loss
Oil circuit makes back door open oil circuit cutting
S104: controller judges whether the duration for closing oil pressure relief signal is not less than and closes the response time；Work as pass
When closing the duration of oil pressure relief signal not less than the response time is closed, step S105 is executed, otherwise, executes step S104；
S105: controller stops output discharging alarm signal, discharging alarm buzzer stop alarm.
Further, the response time is closed not less than the back door closing response time.
The invention adopts the above technical scheme, and controller judges to lock according to the pressure in latch hook and the hydraulic circuit at back door
Hook and the location status at back door judge the movement of the following execution.What pressure sensor detected is the pressure of hydraulic circuit simultaneously
Power, because hydraulic circuit is more demanding to cleannes, which more may be used relative to the position signal close to switch
It leans on, accurately.The present invention improves the safety of whole system, reliability.The present invention, which plays, to be prevented because close to switch erroneous judgement
The purpose of the damage of constructive interference caused by and mechanism.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments；
Fig. 1 is a kind of structural schematic diagram of back door of rubbish bin control system of the present invention；
Fig. 2 is that back door of rubbish bin opens flow diagram in a kind of back door of rubbish bin control method of the present invention；
Fig. 3 is back door of rubbish bin closing flow path schematic diagram in a kind of back door of rubbish bin control method of the present invention.
Specific embodiment
As shown in one of Fig. 1-3, the invention discloses a kind of back door of rubbish bin control systems comprising first pressure sensing
Device S200, second pressure sensor S202, selection switch S201, controller S203, discharging alarm buzzer S204, latch hook are closed
Valve S205 and back door opening valve S206, first pressure sensor S200, second pressure sensor S202 and selection switch S201 divide
Not Lian Jie controller S203 input terminal, the output end of controller S203 be separately connected discharging alarm buzzer S204, latch hook close
Valve closing S205 and back door opening valve S206,
First pressure sensor S200 is used to detect the hydraulic pressure that latch hook opens oil circuit, selects switch S201 for inputting
It opens, shutdown command, second pressure sensor S202 is used to detect the hydraulic pressure that oil circuit is closed at back door, and controller S203 is used for
The logical process of entire control system, the beginning and end that discharging alarm buzzer S204 is used to that back door to be warned to open the period, after
Door opening valve S206 is used to control the switching that back door latch hook opens oil circuit and oil circuit is opened at back door, and latch hook closes valve S205 for controlling
Oil circuit is closed at back door processed and the switching of oil circuit is closed at back door.
Further, when first pressure sensor S200 detects pressure signal, controller S203 exports discharging alarm
Signal controls discharging alarm buzzer S204 alarm.
Further, when first pressure sensor S200 detects that pressure signal reaches the unlatching response time, controller
Output back door open signal is to back door opening valve S206 while S203 cuts off latch hook shutdown signal, and in back door opening valve S206
Cooperation under unlatching latch hook and open back door.
The invention also discloses a kind of back door of rubbish bin control methods comprising back door of rubbish bin open method and dustbin
Back door method for closing, as shown in Fig. 2, the back door of rubbish bin open method comprising following steps:
S000: open signal is inputted by selection switch S201, latch hook is opened and is filled with hydraulic oil in oil circuit, and driving latch hook is opened
It opens, first pressure sensor S200 detects the unlatching oil pressure relief P1 in latch hook unlatching oil circuit, and opening oil pressure relief P1 is more than to face
Feedback opens oil pressure relief P1 electric signal to controller S203 when dividing value；
S001: controller S203 judges whether the duration t1 for opening oil pressure relief P1 signal is greater than zero；It overflows when opening
When the duration t1 of flowing pressure P1 signal is greater than zero, step S002 is executed；Otherwise, step S001 is executed；
S002: controller S203 output discharging alarm signal driving discharging alarm buzzer S204 alarm；
S003: controller S203 judge open oil pressure relief P1 signal duration t1 whether be not less than unlatching response when
Between T1；When opening the duration t1 of oil pressure relief P1 signal not less than response time T1 is opened, step S004 is executed, it is no
Then, step S003 is executed
S004: controller S203 output back door open signal is cut to back door opening valve S206 by back door opening valve S206
Changing hydraulic circuit makes back door open oil circuit connection, executes back door breakdown action；
S005: controller S203 cutting output latch hook shutdown signal, latch hook close valve S205 power loss, close valve by latch hook
It is cut-off that S205 switching hydraulic circuit makes latch hook close oil circuit；
As shown in figure 3, the back door of rubbish bin method for closing comprising following steps:
S100: shutdown signal is inputted by selection switch S201, back door, which is closed in oil circuit, is filled with hydraulic oil, and driving back door is closed
It closes, the closing oil pressure relief P2 signal that second pressure sensor S202 detection back door is closed in oil circuit is simultaneously transmitted to controller
S203；
S101: controller S203 judges whether the duration t2 for closing oil pressure relief P2 signal is not less than back door and closes sound
T2 between seasonable；When the duration t2 for closing oil pressure relief P2 signal closes response time T2 not less than back door, step is executed
S102；Otherwise, step S101 is executed；
S102: controller S203 output latch hook shutdown signal, latch hook close valve S205 obtain it is electric, pass through latch hook close valve S205
Switching hydraulic circuit makes latch hook close oil circuit connection, executes latch hook closing motion
S103: controller S203 cutting output back door open signal, back door opening valve S206 power loss pass through back door opening valve
S206 switching hydraulic circuit makes back door open oil circuit cutting
S104: controller S203 judge close oil pressure relief P2 signal duration t2 whether be not less than closing response when
Between T3；When closing the duration t2 of oil pressure relief P2 signal not less than response time T3 is closed, step S105 is executed, it is no
Then, step S104 is executed；
S105: controller S203 stops output discharging alarm signal, discharging alarm buzzer S204 stop alarm.
Further, it closes response time T3 and closes response time T2 not less than back door.
Just particular content of the invention is described in detail below:
The task of the present invention is a kind of back door of rubbish bin control system is provided, the system is by pressure sensor, controller
The components compositions such as S203, button, the anti-water solenoid valve of band lamp and selection switch S201.The system predominantly detects 2 pressure signals
Source, 1 be latch hook open pressure signal, 1 be back door close pressure signal.Controller S203 is by receiving the two letters
The feedback states in number source judge the logical action needed to be implemented in next step.Pressure sensor can only feedback synchronization signal, that is, press
When force snesor detects pressure, feedback electric signal does not feed back electric signal when pressure sensor does not detect pressure.
(1) latch hook, back door breakdown action period:
Because there are biggish tightening forces when latch hook and back door are locked, after inputting open command, latch hook opens moment,
In order to overcome frictional force, latch hook, which is opened to generate in oil circuit, opens oil pressure relief P1, and one is set in controller S203 program
Switching variable X, controller S203 detect the instantaneous signal of unlatching oil pressure relief P1, judge that latch hook has turned on, by the switch
Variable X is set to logical state, when X is logical state, exports discharging alarm signal, driving discharging buzzer warning, mark movement week
Phase starts.
Input open command is kept, when latch hook is opened in place, oil pressure relief P1 can be generated in latch hook unlatching oil circuit and held
Continuation of insurance is held, and pressure sensor feedback persistently opens the electric signal of oil pressure relief P1；When controller S203 receives lasting unlatching phase
Between seasonable after the oil pressure relief P1 signal of T1 duration, judge that latch hook is opened in place, the switching variable M being arranged in program is set to logical
State exports back door open signal, enables back door opening valve S206 obtain electric, cut by back door opening valve S206 when M is logical state
Changing hydraulic circuit makes back door open oil circuit connection, executes back door breakdown action；Switching variable N is set to disconnected state simultaneously, when N is
When disconnected state, cutting output latch hook shutdown signal, latch hook closes valve S205 power loss, closes valve S205 by latch hook and switches hydraulic oil
It is cut-off that road makes latch hook close oil circuit.After hydraulic circuit switching, latch hook opens the pressure in oil circuit and is less than above-mentioned oil pressure relief
P1, pressure sensor no longer feed back electric signal.
(2) back door, latch hook closing motion period:
Shutdown command is inputted, back door is closed, and when back door is closed in place, back door, which is closed in oil circuit, can generate oil pressure relief
P2, continue to input shutdown command, this closes oil pressure relief P2 and persistently keeps, and pressure sensor, which is fed back, continues electric signal, works as control
After device S203 receives the closing oil pressure relief P2 signal for continuing back door closing response time T2 duration, judge that back door is closed in place,
The switching variable N being arranged in program is set to logical state, when N is logical state, exports latch hook shutdown signal, latch hook closes valve
S205 obtain it is electric, by latch hook close valve S205 switch hydraulic circuit make latch hook close oil circuit connect, execute latch hook closing motion；Together
When switching variable M is set to disconnected state, when M is disconnected state, cutting output back door open signal, back door opening valve S206 is lost
Electricity, switching hydraulic circuit by back door opening valve S206 makes back door open oil circuit cutting.After hydraulic circuit switching, back door is closed
Pressure in oil circuit is less than above-mentioned closing oil pressure relief P2, and pressure sensor no longer feeds back electric signal.
When latch hook is closed in place, back door, which is closed to generate again again in oil circuit, closes oil pressure relief P2.Continue input to close
Order, this closes oil pressure relief P2 and persistently keeps, and pressure sensor, which is fed back, continues electric signal, when controller S203 receives lasting close
Close response time T3After the closing oil pressure relief P2 signal of duration, controller S203 judges that latch hook is closed in place, by switching variable X
It is set to disconnected state, when X is disconnected state, cutting output discharging alarm signal, the mark action cycle terminates.
(3) other explanations
Vehicle is parked after stopping operation may result in hydraulic system pressure release for a long time, i.e. closing oil pressure relief P2 can not be held
Continuation of insurance is held；If the output of discharging alarm signal is directly controlled with cutting by the signal of pressure feedback, will lead to long in vehicle
After time parks, discharging alarm buzzer S204 reworks.So increasing a switching variable X in a control program, controlled by X
The output and cutting of discharging alarm processed.The output of discharging alarm signal is controlled with cutting with more quasi- by switching variable X
Really, small advantage is influenced by extraneous factor.
Back door opening valve S206 and latch hook close valve S205 electric, power failure state is interlocked by realizing inside program, i.e., after
When door opening valve S206 obtains electric condition and meets, latch hook closes valve S205 power loss；Latch hook closes valve S205 and obtains electric condition satisfaction
When, enable back door opening valve S206 power loss.This control mode is realized by switching variable M, N in program, i.e. M is logical state
When, N is disconnected state；When N is logical state, M is disconnected state.The case where avoiding M, N while being logical state avoids back door unlatching
Valve S206, latch hook close valve S205 and obtain electric situation simultaneously.Because back door opening valve S206, latch hook are closed valve S205 and are obtained simultaneously
Electricity, when inputting open command, latch hook is opened, back door breakdown action will be performed simultaneously；When inputting shutdown command, back door is closed, is locked
Hook closing motion will be performed simultaneously, so realizing by this interlocked relationship and first opening latch hook, latch hook unlatching is opened afterwards in place
Back door；First back door is closed, and the sequentially-operating logic for closing latch hook afterwards in place is closed at back door.This control mode passes through interlock function
Make that entire work system is safer, reliable in action.
Back door of rubbish bin control system of the invention, when executing latch hook switch, rear door switch according to the pressure value of feedback
Each mechanism executes reasonable sequence of movement.Control system is set to have more safety, reliability；Discharging warning is more immediately, rationally.
Claims (7)
1. a kind of back door of rubbish bin control system, it is characterised in that: it include first pressure sensor, second pressure sensor,
Switch, controller, discharging alarm buzzer, latch hook is selected to close valve and back door opening valve, first pressure sensor, second pressure
Sensor and selection switch are separately connected the input terminal of controller, the output end of controller be separately connected discharging alarm buzzer,
Latch hook closes valve and back door opening valve,
First pressure sensor is used to detect the hydraulic pressure that latch hook opens oil circuit, and selection switch, which is used to input, to be opened, closes life
It enables, second pressure sensor is used to detect the hydraulic pressure that oil circuit is closed at back door, and controller is used for the logic of entire control system
Processing, the beginning and end that discharging alarm buzzer is used to that back door to be warned to open the period, back door opening valve is for controlling back door lock
Hook opens oil circuit and the switching of oil circuit is opened at back door, and latch hook closes valve, and for controlling, oil circuit is closed at back door and latch hook closes oil circuit
Switching,
Controller exports corresponding control signal by the feedback information of reception first pressure sensor and second pressure sensor
Valve and back door opening valve are closed to discharging alarm buzzer, latch hook and then drive the opening and closing of back door of rubbish bin.
2. a kind of back door of rubbish bin control system according to claim 1, it is characterised in that: first pressure sensor and
Two pressure sensors only feed back corresponding synchronous electric signal.
3. a kind of back door of rubbish bin control system according to claim 1, it is characterised in that: when first pressure sensor is examined
When measuring pressure signal, controller exports the control discharging alarm buzzer alarm of discharging alarm signal.
4. a kind of back door of rubbish bin control system according to claim 1, it is characterised in that: when first pressure sensor is examined
Measure pressure signal reach open the response time when, controller export back door open signal to back door opening valve, opened by back door
Opening Vavle switching hydraulic circuit makes back door open oil circuit connection, executes back door breakdown action；The output latch hook of controller cutting simultaneously closes
Signal is closed, latch hook closes valve power loss, and closing Vavle switching hydraulic circuit by latch hook is cut off latch hook closing oil circuit.
5. a kind of back door of rubbish bin control method controls system applied to a kind of back door of rubbish bin described in one of claim 1-4
System, it is characterised in that: control method includes back door of rubbish bin open method and back door of rubbish bin method for closing, after the dustbin
Door open method comprising following steps:
S000: switching input open signal by selection, and latch hook is opened and is filled with hydraulic oil in oil circuit, and driving latch hook is opened, and first
Pressure sensor detection latch hook opens the unlatching oil pressure relief in oil circuit and transmits corresponding electric signal to controller；
S001: controller judges whether the duration for opening oil pressure relief signal is greater than zero；When unlatching oil pressure relief signal
When duration is greater than zero, step S002 is executed；Otherwise, step S001 is executed；
S002: controller exports the driving discharging alarm buzzer alarm of discharging alarm signal；
S003: controller judges whether the duration for opening oil pressure relief signal is not less than and opens the response time；It overflows when opening
When the duration of flowing pressure signal is not less than the response time is opened, step S004 is executed, otherwise, executes step S003；
S004: controller exports back door open signal to back door opening valve, and opening Vavle switching hydraulic circuit by back door makes back door
It opens oil circuit to connect, executes back door breakdown action；
S005: controller cutting output latch hook shutdown signal, latch hook close valve power loss, close Vavle switching hydraulic circuit by latch hook
Make latch hook close oil circuit to be cut off；
The back door of rubbish bin method for closing comprising following steps:
S100: switching input shutdown signal by selection, and back door, which is closed in oil circuit, is filled with hydraulic oil, and driving back door is closed, and second
Pressure sensor detects the closing oil pressure relief that back door is closed in oil circuit and transmits corresponding electric signal to controller；
S101: controller judges whether the duration for closing oil pressure relief signal is not less than back door and closes the response time；Work as pass
When closing the duration of oil pressure relief signal not less than the back door closing response time, step S102 is executed；Otherwise, step is executed
S101；
S102: controller export latch hook shutdown signal, latch hook close valve obtain it is electric, by latch hook close Vavle switching hydraulic circuit make to lock
Hook is closed oil circuit and is connected, and latch hook closing motion is executed；
S103: controller cutting output back door open signal, back door opening valve power loss open Vavle switching hydraulic circuit by back door
Back door is set to open oil circuit cutting；
S104: controller judges whether the duration for closing oil pressure relief signal is not less than and closes the response time；It overflows when closing
When the duration of flowing pressure signal is not less than the response time is closed, step S105 is executed, otherwise, executes step S104；
S105: controller stops output discharging alarm signal, discharging alarm buzzer stop alarm.
6. a kind of back door of rubbish bin control method according to claim 5, it is characterised in that: the controller is further set
The switching variable X of a fixed discharging alarm buzzer, the switching variable M of back door opening valve and a latch hook close opening for valve
Variable N is closed,
In the step S001 when the duration for opening oil pressure relief signal being greater than zero, switching variable X is set to by controller
Logical state,
Whether the value of step S002 elder generation detection switch variable X is logical state, when switching variable X is logical state, controller output
Discharging alarm signal drives the alarm of discharging alarm buzzer；
In the step S003 when opening the duration of oil pressure relief signal not less than the response time is opened, controller will be opened
It closes variable M and is set to logical state, while switching variable N is set to disconnected state；
Controller, which detects, in step S004 exports back door open signal when switching variable M is logical state,
Controller detects cutting output latch hook shutdown signal when switching variable N is disconnected state in step S005,
In the step S101 when the duration for closing oil pressure relief signal closing the response time not less than back door, controller
Switching variable N is set to logical state, while switching variable M is set to disconnected state；
Controller, which detects, in step S102 exports latch hook shutdown signal when switching variable N is logical state,
Controller detects cutting output back door open signal when switching variable M is disconnected state in step S103,
In step S104 when closing the duration of oil pressure relief signal not less than the response time is closed,
When controller detects that switching variable X is set to disconnected state in step S105, controller cutting output discharging alarm signal.
7. a kind of back door of rubbish bin control method according to claim 5, it is characterised in that: the closing response time is not less than
The response time is closed at back door.
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| CN201710445687.3A CN107187773B (en) | 2017-06-14 | 2017-06-14 | A kind of back door of rubbish bin control system and control method |
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| CN201710445687.3A CN107187773B (en) | 2017-06-14 | 2017-06-14 | A kind of back door of rubbish bin control system and control method |
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| CN107187773B true CN107187773B (en) | 2019-05-03 |
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| CN111846716B (en) * | 2020-07-29 | 2022-05-03 | 深圳东风汽车有限公司 | Control method of push shovel of kitchen garbage truck during garbage compression |
| CN116951131B (en) * | 2023-09-20 | 2024-06-25 | 深圳市恒永达科技股份有限公司 | Medical instrument liquid path switch electromagnetic valve and control method |
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| JP2005194038A (en) * | 2004-01-07 | 2005-07-21 | Kyokuto Kaihatsu Kogyo Co Ltd | Refuse collection vehicle |
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| CN105775519A (en) * | 2014-12-22 | 2016-07-20 | 青岛同辉汽车技术有限公司 | Hydraulic back door opening device of side mounting car |
| CN205190413U (en) * | 2015-12-07 | 2016-04-27 | 福建龙马环卫装备股份有限公司 | Garbage truck back shroud cylinder control's hydraulic system |
| CN105501767A (en) * | 2016-02-03 | 2016-04-20 | 福建龙马环卫装备股份有限公司 | Hydraulic lifter garbage truck cover plate turnover control system |
| CN106429119A (en) * | 2016-08-30 | 2017-02-22 | 重庆耐德新明和工业有限公司 | Upright garbage can transfer vehicle |
| CN106553602A (en) * | 2016-11-18 | 2017-04-05 | 江苏悦达专用车有限公司 | Rubbish vehicle control based on CAN |
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