CN106088207B - A kind of control system for loader instrument base - Google Patents
A kind of control system for loader instrument base Download PDFInfo
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- CN106088207B CN106088207B CN201610704587.3A CN201610704587A CN106088207B CN 106088207 B CN106088207 B CN 106088207B CN 201610704587 A CN201610704587 A CN 201610704587A CN 106088207 B CN106088207 B CN 106088207B
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- carrier signal
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
Abstract
The present invention relates to loading machine technical fields, a kind of control system for loader instrument base is provided, including loading machine instrument and power supply, the circuit board of loading machine instrument is equipped with controller and engine failure detection circuit, the positive terminal of power supply is connect by power supply line with circuit board, and circuit board is equipped with main carrier signal modem；Power supply line is equipped with the branched line of several connection power loads, and power load is equipped with branch's carrier signal modulation demodulator, and relay is equipped in branch's carrier signal modulation demodulator, and the negative pole end of power load is grounded；Engine failure detection circuit is connect with engine；The power supply and switch control to each power load are realized by loading machine instrument, can realize power supply with a power supply line and controls the transmission of signal, simplify the configuration of loading machine, and the operation is stable, long service life；Load control switch is connect with loading machine instrument, is connect without direct with each power load, is further simplified configuration.
Description
Technical field
The invention belongs to loading machine technical field more particularly to a kind of control system for loader instrument base.
Background technique
Instrument board has screen formula instrument for installing instrument and stiffener plate or structural member in relation to device, by pattern point
Disk, frame-type instrument board, channel-type instrument board, cabinet type instrument board, wherein screen formula instrument board is the most common pattern.
On the loading machine for executing loading operation, instrument board is also indispensable structural member, is configured on current loading machine
Instrument dish structure is simple, carries out pointer using traditional mechanical instrument and shows, accuracy, sensitivity and the beauty of display
Sight degree is poor, meanwhile, the power supply line of all kinds of loads related with instrument board of loading machine configuration, signal line and with hair
Related CAN bus of motivation etc., layout is chaotic, and cabling complexity is irregular, is easy to cause wiring error or route to burn out, leads
The phenomenon for causing short circuit, influences the work of entire loading machine, the cost allowance of man power and material is brought to user.
Summary of the invention
The purpose of the present invention is to provide a kind of structures simply, the control system for loader instrument base of stable working state.
The invention is realized in this way a kind of control system for loader instrument base, the control system for loader instrument base include
Loading machine instrument and power supply, the loading machine instrument include circuit board and protect the circuit board in shell group wherein
Part, the circuit board are equipped with controller and engine failure detection circuit, and the positive terminal of the power supply passes through supply lines
Road is connect with the circuit board, and the cathode ground connection of the power supply, the circuit board is equipped with for sending out the controller
The control is demodulated in the signal modulation sent to the power supply line or by the carrier signal received from the power supply line
The main carrier signal modem of device processed；
The power supply line is equipped with several branched lines, and the end of several branched lines is separately connected useful
Electric loading, the power load, which is equipped with, passes through the supply lines for receiving and demodulating the main carrier signal modem
The carrier signal or load signal is modulated to branch's carrier signal modulation demodulator on the branched line that road is sent, it is described
Branch's carrier signal modulation demodulator and the main carrier signal modem are logical by the branched line and power supply line
News connection, the interior relay being equipped with for controlling the power load energized state of branch's carrier signal modulation demodulator,
The negative pole end of the power load is grounded；
The engine failure detection circuit passes through CAN bus and engine communication connection；
The control system for loader instrument base further includes the load control for controlling the power-up state of the power load
Switch, the load control switch are connect with the loading machine instrument；
The power load includes pulsometer, hydraulic pump, fog lamp, left steering lamp, right turn lamp, back light, nearly headlight, long-range
Lamp, brake controller, air filter, storage battery, fuel-quantity transducer and oil pressure sensor；
Branch's carrier signal modulation demodulator includes control module, the first modulation module, the first demodulation module and institute
State relay；
First demodulation module is connect with branched line, and the carrier signal for will transmit on the branched line carries out
Demodulation generates power supply signal and control signal, and the power supply signal is passed to the power load by the relay,
The control signal is sent to the control module simultaneously；
First modulation module is connect with the branched line, and the load signal for sending control module is modulated to
On the branched line, carrier signal is formed with the power supply signal of the branched line；
The control module is connect with first modulation module, the first demodulation module and relay respectively, is used for basis
The control signal that first demodulation module generates controls the powering on of relay, off-position, while the load that itself is generated
Signal is sent to first modulation module.
As an improvement scheme, branch's carrier signal modulation demodulator further includes signal detection module, described
Signal detection module will test result and be sent to the control module for detecting to the working status parameter of load,
The control module execution is subsequent to report movement.
As an improvement scheme, the load signal includes analog signal and digital signal.
As an improvement scheme, the main carrier signal modem include the second modulation module and second demodulation
Module, in which:
Second demodulation module and the second modulation module are connect with the power supply line；
Second demodulation module generates power supply signal for demodulating to the carrier signal in the power supply line
With control signal, the output end of second demodulation module includes power supply signal output line and control signal output line, the confession
Electric signal output line is connect with the powered drive circuit on the circuit board, and the control signal output line and the controller connect
It connects；
Second modulation module is connect with controller, the signal modulation for sending the controller to the power supply
On route.
As an improvement scheme, the load control switch include be arranged in loader drive room several by
Key switch, several described key switches are connect with the circuit board line of the loading machine instrument.
As an improvement scheme, the load control switch includes touch operation switch, touch operation switch
Be arranged on the touch display screen of the loading machine or the housing unit of loading machine instrument, touch operation switch with it is described
The circuit board line of loading machine instrument connects.
As an improvement scheme, be additionally provided on the circuit board communication module, the communication module and setting with
The communication interface of the application software of family terminal operating carries out data interaction, the data interaction include detection instruction transmission and from
Examine the reception movement of data.
As an improvement scheme, the load control switch includes setting touch key-press on the subscriber terminal, institute
State the circuit board communication connection of touch key-press Yu the loading machine instrument.
In embodiments of the present invention, control system for loader instrument base includes loading machine instrument and power supply, loading machine instrument
The circuit board of table is equipped with controller and engine failure detection circuit, and the positive terminal of power supply passes through power supply line and circuit
Plate connection, circuit board are equipped with main carrier signal modem；Power supply line is equipped with point of several connection power loads
Branch line, power load are equipped with branch's carrier signal modulation demodulator, are equipped with relay in branch's carrier signal modulation demodulator
Device, the negative pole end ground connection of power load；Engine failure detection circuit passes through CAN bus and engine communication connection；To logical
Power supply and switch control of the loading machine instrument to each power load are crossed, structure is simple, can be simultaneously with a power supply line
The transmission for realizing power supply and control signal enormously simplifies all kinds of loaded lines related with instrument board of loading machine configuration, and
And the operation is stable, long service life；
Wherein, load control switch is connect with loading machine instrument, is connect without direct with each power load, further
Simplify configuration.
In embodiments of the present invention, branch's carrier signal modulation demodulator further includes signal detection module, signal detection mould
Block will test result and be sent to the control module for detecting to the working status parameter of power load, the control
Module execution is subsequent to report movement, to realize the self-test to power load, when power load breaks down, then automatic give is filled
Carrier aircraft instrument carries out Trouble Report, improves monitoring of the user to loading machine power load, safeguards in time, reduces loss.
In embodiments of the present invention, communication module is additionally provided on circuit board, the communication module and setting are in user terminal
The communication interface of the application software of operation carries out data interaction, and the data interaction includes the transmission and self-inspection data of detection instruction
Reception movement, thus realize each power load of loading machine can be operated and be monitored in the terminal of user, people
Propertyization is stronger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of control system for loader instrument base provided by the invention；
Fig. 2 is the structural schematic diagram of branch's carrier signal modulation demodulator provided by the invention；
Fig. 3 is the structural schematic diagram of main carrier signal modem provided by the invention；
Fig. 4 is the overall structure diagram of housing unit provided by the invention；
Fig. 5 is the structural schematic diagram of base housing provided by the invention；
Fig. 6 is the positive structure schematic of display panel provided by the invention；
Fig. 7 is the reverse structure schematic of display panel provided by the invention；
Fig. 8 is the positive structure schematic of pressure holding shell provided by the invention；
Fig. 9 is the reverse structure schematic of pressure holding shell provided by the invention；
Figure 10 is the structural schematic diagram of cover provided by the invention；
Wherein, 1- loading machine instrument, 2- power supply, 3- circuit board, 4- controller, 5- engine failure detection circuit,
6- power supply line, 7- main carrier signal modem, 8- branched line, 9- power load, 10- branch carrier signal modulation solution
Adjust device, 11- relay, 12-CAN bus, 13- engine, 14- load control switch, 15- control module, the modulation mould of 16- first
Block, the first demodulation module of 17-, 18- signal detection module, the second modulation module of 19-, the second demodulation module of 20-, 21- communicate mould
Block, 22- base housing, 23- display panel, 24- press shell, 25- cover, 26- threading hole, 27- see-through area, 28- dial plate
Region, 29- key notch, 30- mounting post, 31- reinforcing rib, 32- support protrusion portion, 33- flange, 34- opening, 35- key are logical
Slot, 36- screw hole, 37- installation groove, 38- fin.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the structural schematic diagram of control system for loader instrument base provided by the invention, for ease of description, in figure
Only give part related to the present invention.
Control system for loader instrument base includes loading machine instrument 1 and power supply 2, and loading machine instrument 1 includes 3 He of circuit board
By the protection of circuit board 3 in housing unit wherein, circuit board 3 is equipped with controller 4 and engine failure detection circuit 5, power supply
The positive terminal of power supply 2 is connect by power supply line 6 with circuit board 3, and the cathode ground connection of power supply 2, circuit board 3 is equipped with and is used for
Control will be demodulated in signal modulation to power supply line 6 that controller 4 is sent or by the carrier signal received from power supply line 6
The main carrier signal modem 7 of device 4 processed；
Power supply line 6 is equipped with several branched lines 8, and it is negative that the end of several branched lines 8 is connected separately with electricity consumption
9 are carried, power load 9, which is equipped with, passes through the carrier wave that power supply line 6 sends for receiving and demodulating main carrier signal modem 7
Load signal is modulated to branch's carrier signal modulation demodulator 10 on branched line 8, branch's carrier signal modulation by signal
Demodulator 10 and main carrier signal modem 7 pass through 6 communication connection of branched line 8 and power supply line, branch's carrier signal
The relay 11 for controlling 9 energized state of power load, the negative pole end ground connection of power load 9 are equipped in modem 10；
Engine failure detection circuit 5 is by CAN bus 12 and 13 communication connection of engine, for the phase to engine 13
Parameter is closed to be obtained, wherein the relevant parameter of the engine 13 is existing parameter, such as oil temperature, engine oil pressure,
Oil spout angle and oxygen content etc., details are not described herein；
Control system for loader instrument base further includes the load control switch 14 for controlling the power-up state of power load 9,
Load control switch 14 is connect with loading machine instrument 1.
Wherein, power load 9 include but is not limited to pulsometer, hydraulic pump, fog lamp, left steering lamp, right turn lamp, back light,
Nearly headlight, long-range lamp, brake control mechanism, air filter, storage battery, fuel-quantity transducer and oil pressure sensor；
The electricity consumption positive terminal of i.e. each power load 9 passes through above-mentioned branch's carrier signal modulation demodulator 10 and branch respectively
Route 8 connects, the electricity consumption negative pole end ground connection of power load 9.
In embodiments of the present invention, above-mentioned main carrier signal modem 7 and branch's carrier signal modulation demodulator 10
It is the device with carrier signal transmission-receiving function, following to provide specific structure:
As shown in Fig. 2, branch's carrier signal modulation demodulator 10 includes control module 15, the first modulation module 16, first
Demodulation module 17 and relay 11；
First demodulation module 17 is connect with branched line 8, for solving the carrier signal transmitted on branched line 8
It adjusts, generates power supply signal and control signal, and power supply signal is passed into power load 9 by relay 11, while will control
Signal is sent to control module 15；
First modulation module 16 is connect with branched line 8, and the load signal for sending control module 15 is modulated to point
On branch line 8, carrier signal is formed with the power supply signal of branched line 8；
Control module 15 is connect with the first modulation module 16, the first demodulation module 17 and relay 11 respectively, is used for basis
The control signal that first demodulation module 17 generates, control the powering on of relay 11, off-position, while the load that itself is generated
Signal is sent to the first modulation module 16.
In this embodiment, branch's carrier signal modulation demodulator 10 further includes signal detection module 18, signal detection mould
Block 18 will test result and be sent to control module 15, control module 15 for detecting to the working status parameter of load
It executes and subsequent reports movement.
Wherein, the signal which detects can be analog signal, be also possible to digital signal, when this
When load signal is analog signal, then the first modulation module 16 is modulated into digital signal to the analog signal, and load is dividing
On branch line 8.
As shown in figure 3, main carrier signal modem 7 includes the second modulation module 19 and the second demodulation module 20,
In:
Second demodulation module 20 and the second modulation module 19 are connect with power supply line 6；
Second demodulation module 20 generates power supply signal and control for demodulating to the carrier signal in power supply line 6
Signal, the output end of the second demodulation module 20 include power supply signal output line and control signal output line, power supply signal output line
It is connect with the powered drive circuit on circuit board 3, control signal output line is connect with controller 4；
Second modulation module 19 is connect with controller 4, the signal modulation for sending controller 4 to power supply line 6.
Wherein, in structure as shown in Figures 2 and 3, processing for carrier signal, details are not described herein, but does not have to
To limit the present invention.
In embodiments of the present invention, above-mentioned load control switch 14 can be set according to the corresponding difference of actual demand progress
It sets, such as:
(1) load control switch 14 includes several key switches being arranged in loader drive room, several are pressed
3 connection of circuit board of key switch and loading machine instrument 1；
That is, the load control switch 14 is actual key switch, it is arranged in and facilitates driver's operation in driver's cabin
Position, such as instrument desk is nearby or on instrument desk；
(2) load control switch 14 is switched including touch operation, and the touch that loading machine is arranged in touch operation switch is aobvious
On the housing unit of display screen or loading machine instrument 1,3 connection of circuit board of touch operation switch and loading machine instrument 1；
(3) load control switch 14 includes setting touch key-press on the subscriber terminal, touch key-press with loading machine instrument
3 communication connection of circuit board of table 1；
Wherein, be additionally provided with communication module 21 on circuit board 3, communication module 21 be arranged in user terminal operation using soft
The communication interface of part carries out data interaction, and data interaction includes the transmission of detection instruction and the reception movement of self-inspection data；
The load control switch 14 is the operation button of the application software on user terminal, passes through the side communicated accordingly
Formula and loading machine instrument 1 carry out data interaction, complete control and reception to loading machine instrument 1 and each power load 9
The self-inspection data of each power load 9 and engine feedback, the clear operating status for checking loading machine, is also convenient for simultaneously in time
Engine nodal or power load 9 to failure repair maintenance, reduce because failure bring is lost.
In conjunction with shown in Fig. 4 to Figure 10, housing unit includes base housing 22, display panel 23, pressure holding shell 24 and cover
Body 25, the interior installation circuit board 3 of the base housing 22, and threading hole 26 is offered on base housing 22；The display surface
See-through area 27 and the dial plate region 28 to install gauge pointer, and indwelling on the display panel 23 are provided on plate 23
There is the key notch 29 to setting button, the display panel 23 is set to the inside of the base housing 22, and is in institute
State the top of circuit board 3；The pressure holding shell 24 is set to the top of the display panel 23, the pressure holding shell 24 with it is described
Base housing 22 is connected, so that the display panel is fixed；The fastening of cover 25 is installed on the pressure holding shell 24
Top.
In figure, in order to indicate clear, cover 25 is shown into part, and carry out Shadows Processing.In fact, cover 25 is using saturating
Bright material preparation, while the cover 25 is made using oil resistant erosion, anti-abrasive material.The material includes following parts by weight
Raw material is prepared: 75-89 parts of polystyrene；Polyethylene terephthalate -25-39 parts of 1,4-CHDM ester；
13-17 parts of diamond；7-9 parts of aluminum stearate；9-13 parts of C wax of Clariant amide waxe.The above material is commercially available from market.It will
The above component is molded to obtain cover using conventional method.
The present invention carries out dual protection to display panel 23 by base housing 22, pressure holding shell 24, so that display surface
Plate 23 is not easily susceptible to external impact and damages, and cover 25 is to the protective action of display surface in addition, improve display effect and
Quality.
In the present embodiment, the base housing 22 is internally provided with mounting post 30, and fixed using the mounting post 30
The circuit board 3 is installed.The mounting post 30 is integrally formed with the base housing 22, and the peripheral wall circular row of the mounting post, which has, to be added
Strengthening tendons 31, the reinforcing rib 31 are integrally formed with the mounting post 30.It may also be said that entirely base housing 22 is in production, just
Mounting post 30, reinforcing rib 31 are integrally formed, it is ensured that the stability of structure.Moreover, such a construction ensures circuit board 4 and bottoms
The not direct face contact of seat shell body 22 carries out point contact using mounting post, avoids engineering machinery to greatest extent in the course of work
Middle generation vibration causes to damage to circuit board.
In order to enable the heat dissipation effect of circuit board gets a promotion, the display panel 23 it is opposite with the circuit board 3 one
Face is provided with several support lug bosses 32, and in assembly, the end face in the support protrusion portion 32 and the circuit board 3 are contradicted, from
And to form gap between the two, which can distribute in time the heat that circuit board generates.
By optimization design largely repeatedly, the display panel 23 of the present embodiment following design, the perspective have been subjected to
Region 27 be it is trapezoidal, be provided with the window of rectangle.The dial plate region 28 has two pieces, is symmetrically disposed on the perspective area
The two sides in domain.In addition, being also respectively provided with oil mass display screen and oil pressure display screen at dial plate region 28, engineering machinery is run
Parameter embody as far as possible.Flange 33, the pressure are provided with around the see-through area and the dial plate region
It holds shell 24 and offers the opening 34 being adapted with the flange 33, the display panel 23 is installed in institute using the flange 33
In the opening 34 for stating pressure holding shell.The pressure holding shell 24 is provided with the key through slot 35 with key notch cooperation.This is really
It has protected rationally distributed, can satisfy the display demand of engineering machinery, and beautiful and generous, meet the observation habit of driver.And
And achieve that, there is no direct connection relationships between display panel and circuit board, only by support protrusion portion
Contacted with the surface of circuit board, therefore, engineering machinery vibration work condition environment under, can to avoid circuit board because display panel with
The relative displacement of base housing and caused by circuit board damage, further improve the service life of entire instrument.
In the present embodiment, the periphery of the pressure holding shell 24 and the base housing 22 offers mutually matched screw hole
36, and be attached using bolt, the screw hole opened up on the base housing is through-hole, the spiral shell opened up on the pressure holding shell
Wire hole is blind hole, and the bolt is by the screw hole on the base housing, and end is connected with the pressure holding shell, in this way, spiral shell
The installation form of bolt is to protrude into from the bottom up, it is ensured that do not occur any screw trace on the dial plate of instrument, it is not only more beautiful, and
And avoid the corrosion of screw.What the pressure holding shell 24 and the cover 25 cooperated offers a circle installation groove 37 on one side,
The fin 38 with installation groove cooperation is provided on the cover 25, the fin 38 is plugged in the installation groove
Portion, and utilize sealing glue connection.This structure can ensure that cover to greatest extent and press the leakproofness between shell, energy
It is enough that good protective action is played to display panel.
Circuit board is fixed on inside base housing in equipment first with mounting post by the present invention, will using threading hole
The lead of circuit board carries out regular, installation；Then display panel is placed in the top of circuit board, while being also in pedestal shell
The position of display panel is adjusted in the inside of body, installs pointer；By pressure holding shell spiral-lock on the top of display panel, shell is pressed
The opening of the inside of body is installed on the outside of display panel flange just, its position is positioned, meanwhile, press the week of shell
While being provided with the screw hole of a delineation position, which matches with the screw hole of base housing, will press shell using bolt
It is carried out with base housing affixed；Then cover is fastened on to the top of pressure holding shell, be sealed combination using sealant.
In embodiments of the present invention, control system for loader instrument base includes loading machine instrument 1 and power supply 2, loading machine
The circuit board 3 of instrument 1 is equipped with controller 4 and engine failure detection circuit 5, and the positive terminal of power supply 2 passes through supply lines
Road 6 is connect with circuit board 3, and circuit board 3 is equipped with main carrier signal modem 7；Power supply line 6 is equipped with several connections
The branched line 8 of power load 9, power load 9 are equipped with branch's carrier signal modulation demodulator 10, branch's carrier signal modulation
Relay 11 is equipped in demodulator 10, the negative pole end of power load 9 is grounded；Engine failure detection circuit 5 by CAN bus with
Engine communication connection；To which by power supply and switch control of the loading machine instrument 1 to each power load 9, structure is simple,
It is the transmission that power supply can be achieved at the same time and control signal with a power supply line 6, enormously simplifies loading machine configures and instrument
The related all kinds of loaded lines of disk, and the operation is stable, long service life；
Wherein, load control switch 14 is connect with loading machine instrument 1, is connect without direct with each power load 9, into one
Step simplifies configuration.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of control system for loader instrument base, which is characterized in that the control system for loader instrument base includes loading machine instrument
And power supply, the loading machine instrument include circuit board and protect the circuit board in housing unit wherein, the electricity
Road plate is equipped with controller and engine failure detection circuit, and the positive terminal of the power supply passes through power supply line and the electricity
The connection of road plate, the cathode ground connection of the power supply, the circuit board are equipped with the signal tune for sending the controller
Make the main load that the controller is demodulated in the power supply line or by the carrier signal received from the power supply line
Wave signal modem；
The power supply line is equipped with several branched lines, and it is negative that the end of several branched lines is connected separately with electricity consumption
It carries, the power load is equipped with and is sent out for receiving and demodulating the main carrier signal modem by the power supply line
The carrier signal sent or the branch's carrier signal modulation demodulator being modulated to load signal on the branched line, the branch
Carrier signal modulation demodulator and the main carrier signal modem are connected by the branched line and power supply line's communication
It connects, the relay for controlling the power load energized state is equipped in branch's carrier signal modulation demodulator, it is described
The negative pole end of power load is grounded；
The engine failure detection circuit passes through CAN bus and engine communication connection；
The control system for loader instrument base further includes the load control switch for controlling the power-up state of the power load,
The load control switch is connect with the loading machine instrument；
The power load include pulsometer, hydraulic pump, fog lamp, left steering lamp, right turn lamp, back light, nearly headlight, long-range lamp,
Brake controller, air filter, storage battery, fuel-quantity transducer and oil pressure sensor；
Branch's carrier signal modulation demodulator include control module, the first modulation module, the first demodulation module and it is described after
Electric appliance；
First demodulation module is connect with branched line, for solving the carrier signal transmitted on the branched line
It adjusts, generates power supply signal and control signal, and the power supply signal is passed into the power load by the relay, together
When the control signal is sent to the control module；
First modulation module is connect with the branched line, and the load signal for sending control module is modulated to described
On branched line, carrier signal is formed with the power supply signal of the branched line；
The control module is connect with first modulation module, the first demodulation module and relay respectively, for according to
The control signal that first demodulation module generates controls the powering on of relay, off-position, while the load signal that itself is generated
It is sent to first modulation module.
2. control system for loader instrument base according to claim 1, which is characterized in that branch's carrier signal modulation solution
Adjusting device further includes signal detection module, and the signal detection module is used to detect the working status parameter of load, and will
Testing result is sent to the control module, and the control module execution is subsequent to report movement.
3. control system for loader instrument base according to claim 2, which is characterized in that the load signal includes simulation letter
Number and digital signal.
4. control system for loader instrument base according to claim 3, which is characterized in that the main carrier signal modulation /demodulation
Device includes the second modulation module and the second demodulation module, in which:
Second demodulation module and the second modulation module are connect with the power supply line；
Second demodulation module generates power supply signal and control for demodulating to the carrier signal in the power supply line
Signal processed, the output end of second demodulation module includes power supply signal output line and controls signal output line, described for telecommunications
Number output line is connect with the powered drive circuit on the circuit board, and the control signal output line is connect with the controller；
Second modulation module is connect with controller, the signal modulation for sending the controller to the power supply line
On.
5. control system for loader instrument base according to claim 1, which is characterized in that the load control switch includes setting
Set several key switches in loader drive room, the circuit board of several described key switches and the loading machine instrument
Connection.
6. control system for loader instrument base according to claim 1, which is characterized in that the load control switch includes touching
Operation switch is touched, the touch display screen of the loading machine or the shell group of loading machine instrument is arranged in the touch operation switch
On part, the touch operation switch is connect with the circuit board line of the loading machine instrument.
7. control system for loader instrument base according to claim 1, which is characterized in that be additionally provided with communication on the circuit board
Module, the communication module and the communication interface for the application software that user terminal operation is arranged in carry out data interaction, the number
It include the transmission of detection instruction and the reception movement of self-inspection data according to interaction.
8. control system for loader instrument base according to claim 7, which is characterized in that the load control switch includes setting
Set touch key-press on the subscriber terminal, the circuit board communication connection of the touch key-press and the loading machine instrument.
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| CN201610704587.3A CN106088207B (en) | 2016-08-23 | 2016-08-23 | A kind of control system for loader instrument base |
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| CN201610704587.3A CN106088207B (en) | 2016-08-23 | 2016-08-23 | A kind of control system for loader instrument base |
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| CN106088207B true CN106088207B (en) | 2018-12-11 |
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| CN108347802B (en) * | 2018-01-17 | 2021-07-20 | 昂宝电子（上海）有限公司 | Multiplexing circuit system for transmitting signals and electric energy in time-sharing mode by utilizing signal lines |
| CN111561016A (en) * | 2020-05-26 | 2020-08-21 | 永州市金蚂蚁新能源机械有限公司 | Electrical system of miniature diesel loader |
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| CN204948410U (en) * | 2015-07-23 | 2016-01-06 | 谭艳英 | A kind of LED lamp based on supply lines transmission of control signals |
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| JPH09209418A (en) * | 1996-02-01 | 1997-08-12 | Yanmar Diesel Engine Co Ltd | Operation selective device of electronic control back-hoe and method tehrefor |
| CN1154773C (en) * | 2000-03-31 | 2004-06-23 | 日立建机株式会社 | System for supplying fuel to construction machine and construction machine |
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| CN201495572U (en) * | 2009-06-25 | 2010-06-02 | 徐州徐挖约翰迪尔机械制造有限公司 | Electronic monitoring device for wheeled excavators |
| CN201695425U (en) * | 2010-04-16 | 2011-01-05 | 山推工程机械股份有限公司 | Monitor for bulldozer |
| CN103210154A (en) * | 2011-11-15 | 2013-07-17 | 株式会社小松制作所 | Construction machine information display device, construction machine information display method, and computer program for construction machine information display |
| CN204948410U (en) * | 2015-07-23 | 2016-01-06 | 谭艳英 | A kind of LED lamp based on supply lines transmission of control signals |
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Effective date of registration: 20201201 Address after: 5F, 8 Xuzhou Road, Heping District, Tianjin Patentee after: Tianjin Bohai IOT Technology Co., Ltd Address before: 261061, Weifang, Shandong Province, Weifang high tech Zone, north of Jade East Street, Central West Road, high-tech building, room 208 Patentee before: WEIFANG PENGDA ELECTRONIC TECHNOLOGY Co.,Ltd. |