CN205608462U - Coal -winning machine hydraulic braking monitoring devices - Google Patents
Coal -winning machine hydraulic braking monitoring devices Download PDFInfo
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- CN205608462U CN205608462U CN201620410724.8U CN201620410724U CN205608462U CN 205608462 U CN205608462 U CN 205608462U CN 201620410724 U CN201620410724 U CN 201620410724U CN 205608462 U CN205608462 U CN 205608462U
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- circuit
- coal
- winning machine
- hydraulic braking
- microcontroller
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Abstract
The utility model discloses a coal -winning machine hydraulic braking monitoring devices, including microcontroller and coal -winning machine hydraulic braking data monitoring unit, coal -winning machine hydraulic braking data monitoring unit includes the temperature monitoring unit, hydraulic pressure monitor cell, brake clearance monitor cell and normal pressure monitor cell, microcontroller's input termination has button operating circuit, microcontroller's output termination has warning circuit and liquid crystal display circuit, the temperature monitoring unit includes a temperature sensor and an indicator lamp circuit, hydraulic pressure monitor cell includes pressure sensor, a AD converting circuit and the 2nd indicator lamp circuit, brake clearance monitor cell includes current vortex sensor and the 3rd indicator lamp circuit, positive pressure monitoring unit includes positive pressure detection module and fourth indicator lamp circuit. The utility model discloses operating temperature, oil pressure, brake clearance, braking moment to coal -winning machine hydraulic braking carry out real -time detection, fix a position the trouble through the pilot lamp, guarantee coal -winning machine hydraulic braking's continuous operation.
Description
Technical field
This utility model belongs to technical field of mine safety, is specifically related to a kind of coal-winning machine hydraulic braking monitoring device.
Background technology
Coal-winning machine is the important process equipment of underground coal mine, and hydraulic braking is coal-winning machine operation stability and safety
Crucial.The normal condition of coal-winning machine is continuous, in this case, coal-winning machine is easiest to the hydraulic system broken down
Hydraulic braking key position to monitor in real time be requisite.Along with the generation of various model coal-winning machines, its function increases
Adding, more complicated, the reason broken down increases therewith, so that ensure that the high-yield and high-efficiency of coal-winning machine just becomes gesture must
OK.The most correctly various abnormalities or malfunction to coal-winning machine hydraulic braking make prevention, and diagnosis has changed into one
Item important topic.First, in downhole production, too low owing to entering the oil pressure in brake, increase the contact between interior outside friction disc,
Producing severe friction, the heat production that can cause hydraulic braking is too much, causes the generation of hydraulic brake failure, causes coal-winning machine to shut down,
Coal output reduces；Furthermore, the brake shoe in coal-winning machine is a wearing terrain, and long-term work can cause brake shoe thinning, so that brake shoe
And the gap between wire reel becomes big, reduces coefficient of friction, and the malfunctioning meeting of brake shoe action causes the generation of security incident；Separately
Outward, the hydraulic braking in coal-winning machine is used to prevent coal-winning machine from gliding after shutting down, if coal-winning machine fuselage is heavy, climbing is big, needs
The braking moment wanted is relatively big, if braking moment can not meet the needs of coal-winning machine so that coal-winning machine cisco unity malfunction, even
Damage coal-winning machine；Finally, existing generation is all just shut down until hydraulic braking is broken down to keep in repair, it is impossible to running
In the parameters such as the temperature in hydraulic braking, oil pressure, brake clearance, braking moment are detected in real time, prevent coal-winning machine in advance
The generation of hydraulic braking aspect fault, it is simple to field personnel understands the situation of coal-winning machine hydraulic braking.Therefore, nowadays lack
Few a kind of simple in construction, low cost, coal-winning machine hydraulic braking monitoring device reasonable in design, manageable, to coal-winning machine hydraulic pressure system
Dynamic operating temperature, oil pressure, brake clearance, braking moment can form effective detection, exceed in any of the above parameter
Send sound and light alarm during bound scope in time and remind field personnel, make staff in advance coal-winning machine be likely to occur
Problem has been prevented or can understand problem place after going wrong in time, it is ensured that coal-winning machine hydraulic braking run continuously and
Quick overhaul processes, it is to avoid coal-winning machine shutdown maintenance, improves production efficiency.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of coal mining
Machine hydraulic braking monitoring device, its circuit is simple, reasonable in design, easy to use, operating temperature, oil to coal-winning machine hydraulic braking
Pressure, brake clearance, braking moment detect in real time, are positioned fault by display lamp, it is ensured that coal-winning machine hydraulic braking
Run continuously and Quick overhaul processes, it is to avoid coal-winning machine shutdown maintenance, practical, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: coal-winning machine hydraulic braking monitoring device,
It is characterized in that: include microcontroller and coal-winning machine hydraulic braking data monitoring unit, described coal-winning machine hydraulic braking data are supervised
Survey unit and include the temperature monitoring unit for monitoring coal-winning machine hydraulic braking operating temperature, for monitoring coal-winning machine hydraulic braking
The hydraulic pressure measure unit of oil pressure, for monitoring the brake clearance monitoring means of coal-winning machine hydraulic braking brake clearance and adopting for monitoring
The normal pressure monitoring means of coal machine hydraulic braking moment, the input of described microcontroller is connected to the button behaviour arranged for parameter
Making circuit, the outfan of described microcontroller is connected to warning circuit and liquid crystal display circuit, and described temperature monitoring unit includes temperature
Spending sensor and for indicating the first indicator light circuit of operating temperature state, described hydraulic pressure measure unit includes pressure sensing
An A/D change-over circuit that device connects with pressure transducer outfan and for indicating the second indicator light circuit of oil pressure state,
Described brake clearance monitoring means includes current vortex sensor and for indicating the 3rd indicator light circuit of brake clearance state, described
Normal pressure monitoring means includes positive-pressure detection module and for indicating the 4th indicator light circuit of braking moment state, described just
Pressure detecting module includes foil gauge full-bridge circuit module, amplifying circuit and the 2nd A/D change-over circuit connected successively, described temperature
Degree sensor, an A/D change-over circuit, current vortex sensor and the 2nd A/D change-over circuit outfan all with microcontroller
Input connects, described first indicator light circuit, the second indicator light circuit, the 3rd indicator light circuit, the 4th indicator light circuit and
The input of amplifying circuit all connects with the outfan of microcontroller.
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described temperature sensor includes sensor
DS18B20。
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described pressure transducer is GDP40 pressure sensing
Device；A described A/D change-over circuit includes that the chip A1 that model is ADC0832, the CH0 pin of described chip A1 press with GDP40
The SIG pin of force transducer connects, and the D1 pin of described chip A1 and the connection end of D0 pin connect with microcontroller, described core
CLK pin and the CS pin of sheet A1 all connect with microcontroller.
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described current vortex sensor is INA-081 electricity whirlpool
Flow sensor.
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described foil gauge full-bridge circuit module is KH-5-
350-G4 foil gauge module；Described amplifying circuit includes chip LF398 and amplifier OP07, the IN pin of described chip LF398 with
The Iout pin of KH-5-350-G4 foil gauge module connects, the OV pin of described chip LF398 and one of swept resistance R10
Fixing end connects, and another fixing end of described swept resistance R10 is through resistance R11 ground connection, the sliding end of described swept resistance R10
Connecting with+15V power output end, the LR of described chip LF398 draws the CH pin of foot meridian capacitor C4 and chip LF398 and connects, institute
The L pin stating chip LF398 connects with microcontroller 1, and the OUT pin of described chip LF398 is through resistance R8 and amplifier OP07
In-phase input end connects, and the inverting input of described amplifier OP07 divides two-way, and a road is through resistance R9 ground connection, and another road is through resistance
R12 connects with the outfan of amplifier OP07.
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described 2nd A/D change-over circuit includes that model is
The chip A2 of ADC0832, the DO pin of described chip A2 and the connection end of D1 pin, CS pin and CLK pin are all and microcontroller
Device connects, and the CH0 pin of described chip A2 connects with the outfan of amplifier OP07.
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described first indicator light circuit includes luminous two
Pole pipe D1, the negative electrode of described light emitting diode D1 connects with microcontroller, the anode of described light emitting diode D1 through resistance R4 with+
5V power output end connects；Described second indicator light circuit includes light emitting diode D2, the negative electrode of described light emitting diode D2 with
Microcontroller connects, and the anode of described light emitting diode D2 connects through resistance R5 and+5V power output end；Described 3rd display lamp
Circuit includes that light emitting diode D3, the negative electrode of described light emitting diode D3 connect with microcontroller, described light emitting diode D3's
Anode connects through resistance R6 and+5V power output end；Described 4th indicator light circuit includes light emitting diode D4, described luminous two
The negative electrode of pole pipe D4 connects with microcontroller, and the anode of described light emitting diode D4 connects through resistance R7 and+5V power output end.
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described liquid crystal display circuit is that LCD1602 shows
Screen.
Above-mentioned coal-winning machine hydraulic braking monitoring device, it is characterised in that: described microcontroller includes AT89S52 monolithic
Machine.
This utility model compared with prior art has the advantage that
1, this utility model is by arranging temperature monitoring unit, hydraulic pressure measure unit, brake clearance monitoring means and normal pressure
Monitoring means, detects and gathers the operating temperature of coal-winning machine hydraulic braking, oil pressure, brake clearance and braking moment in real time, gathers
Information data accuracy is high, and circuit is simple, complete function.
2, by arranging the first indicator light circuit, the second indicator light circuit, the 3rd indicator light circuit and the 4th display lamp electricity
On the one hand road, indicates, separately states such as operating temperature, oil pressure, brake clearance and the braking moments of coal-winning machine hydraulic braking
One side such as coal-winning machine hydraulic braking breaks down when i.e. exceeding threshold parameter, is positioned fault by display lamp, simultaneously
Alarm is carried out, in order to staff carries out Quick overhaul process, it is ensured that the company of coal-winning machine hydraulic braking by warning circuit
Reforwarding row.
3, this utility model design simple in construction, reasonable in design, perfect in shape and function, and volume is little, simple to operate, it is achieved convenient,
Practical, it is simple to promote the use of.
In sum, this utility model circuit is simple, reasonable in design, easy to use, the work to coal-winning machine hydraulic braking
Temperature, oil pressure, brake clearance, braking moment detect in real time, are positioned fault by display lamp, it is ensured that coal-winning machine liquid
Dynamic the running continuously of compacting processes with Quick overhaul, it is to avoid coal-winning machine shutdown maintenance, practical, it is simple to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is this utility model pressure transducer and the circuit connecting relation schematic diagram of an A/D change-over circuit.
Fig. 3 is that the circuit of this utility model foil gauge full-bridge circuit module, amplifying circuit and the 2nd A/D change-over circuit connects
Relation schematic diagram.
Fig. 4 is this utility model the first indicator light circuit, the second indicator light circuit, the 3rd indicator light circuit and the 4th instruction
The circuit theory diagrams of circuit for lamp.
Description of reference numerals:
1 microcontroller；2-1 temperature sensor；2-2 the first indicator light circuit；
3-1 pressure transducer；3-2 the oneth A/D change-over circuit；3-3 the second indicator light circuit；
4-1 current vortex sensor；4-2 the 3rd indicator light circuit；
5-1 foil gauge full-bridge circuit module；5-2 amplifying circuit；
5-3 the 2nd A/D change-over circuit；5-4 the 4th indicator light circuit；
6 button operation circuit；7 liquid crystal display circuits；8 warning circuits.
Detailed description of the invention
As it is shown in figure 1, this utility model includes microcontroller 1 and coal-winning machine hydraulic braking data monitoring unit, described in adopt
Coal machine hydraulic braking data monitoring unit include the temperature monitoring unit for monitoring coal-winning machine hydraulic braking operating temperature, for
Monitor the hydraulic pressure measure unit of coal-winning machine hydraulic braking oil pressure, for monitoring the brake clearance prison of coal-winning machine hydraulic braking brake clearance
Surveying unit and for monitoring the normal pressure monitoring means of coal-winning machine hydraulic braking moment, the input of described microcontroller 1 is connected to
The button operation circuit 6 arranged for parameter, the outfan of described microcontroller 1 is connected to warning circuit 8 and liquid crystal display circuit
7, described temperature monitoring unit includes temperature sensor 2-1 and for indicating the first indicator light circuit 2-2 of operating temperature state,
Described hydraulic pressure measure unit includes the A/D change-over circuit that pressure transducer 3-1 connects with pressure transducer 3-1 outfan
3-2 and for indicating the second indicator light circuit 3-3 of oil pressure state, described brake clearance monitoring means includes current vortex sensor 4-
1 and for indicating the 3rd indicator light circuit 4-2 of brake clearance state, described normal pressure monitoring means includes positive-pressure detection mould
Block and for indicating the 4th indicator light circuit 5-4 of braking moment state, described positive-pressure detection module includes connecting successively
Foil gauge full-bridge circuit module 5-1, amplifying circuit 5-2 and the 2nd A/D change-over circuit 5-3, described temperature sensor 2-1, first
The outfan of A/D change-over circuit 3-2, current vortex sensor 4-1 and the 2nd A/D change-over circuit 5-3 all with the input of microcontroller 1
End connects, described first indicator light circuit 2-2, the second indicator light circuit 3-3, the 3rd indicator light circuit 4-2, the 4th display lamp electricity
The input of road 5-4 and amplifying circuit 5-2 all outfans with microcontroller 1 connect.
In the present embodiment, described temperature sensor 2-1 includes sensor DS18B20.
As in figure 2 it is shown, in the present embodiment, described pressure transducer 3-1 is GDP40 pressure transducer；A described A/D turns
Change the chip A1 that circuit 3-2 includes that model is ADC0832, the CH0 pin of described chip A1 and the SIG of GDP40 pressure transducer
Pin connects, and the D1 pin of described chip A1 and the connection end of D0 pin connect with microcontroller 1, and the CLK of described chip A1 draws
Foot and CS pin all connect with microcontroller 1.
In the present embodiment, described current vortex sensor 4-1 is INA-081 current vortex sensor.
As it is shown on figure 3, in the present embodiment, described foil gauge full-bridge circuit module 5-1 is KH-5-350-G4 foil gauge mould
Block；Described amplifying circuit 5-2 includes chip LF398 and amplifier OP07, the IN pin of described chip LF398 and KH-5-350-G4
The Iout pin of foil gauge module connects, and the OV pin of described chip LF398 connects with swept resistance R10 fixing end,
Another fixing end of described swept resistance R10 is through resistance R11 ground connection, the sliding end of described swept resistance R10 and+15V power supply
Outfan connects, and the LR of described chip LF398 draws the CH pin of foot meridian capacitor C4 and chip LF398 and connects, described chip LF398
L pin connect with microcontroller 1, the OUT pin of described chip LF398 is through the in-phase input end phase of resistance R8 with amplifier OP07
Connecing, the inverting input of described amplifier OP07 divides two-way, and a road is through resistance R9 ground connection, and another road is through resistance R12 and amplifier OP07
Outfan connect.
As it is shown on figure 3, in the present embodiment, described 2nd A/D change-over circuit 5-3 includes the chip A2 that model is ADC0832,
The DO pin of described chip A2 all connects with microcontroller 1 with the connection end of D1 pin, CS pin and CLK pin, described chip
The CH0 pin of A2 connects with the outfan of amplifier OP07.
As shown in Figure 4, in the present embodiment, described first indicator light circuit 2-2 includes light emitting diode D1, described luminous two
The negative electrode of pole pipe D1 connects with microcontroller 1, and the anode of described light emitting diode D1 is through resistance R4 and+5V power output end phase
Connect；Described second indicator light circuit 3-3 includes light emitting diode D2, the negative electrode of described light emitting diode D2 and microcontroller 1 phase
Connecing, the anode of described light emitting diode D2 connects through resistance R5 and+5V power output end；Described 3rd indicator light circuit 4-2 bag
Including light emitting diode D3, the negative electrode of described light emitting diode D3 connects with microcontroller 1, the anode warp of described light emitting diode D3
Resistance R6 and+5V power output end connects；Described 4th indicator light circuit 5-4 includes light emitting diode D4, described light-emitting diodes
The negative electrode of pipe D4 connects with microcontroller 1, and the anode of described light emitting diode D4 connects through resistance R7 and+5V power output end.
In the present embodiment, described liquid crystal display circuit 7 is LCD1602 display screen.
In the present embodiment, described microcontroller 1 includes AT89S52 single-chip microcomputer.
When this utility model uses, preset temperature threshold, oil pressure threshold value, brake clearance by button operation circuit 6
Threshold value and braking moment threshold value, temperature sensor 2-1 monitors the operating temperature of coal-winning machine hydraulic braking in real time and will collect
Temperature value sends to microcontroller 1, oil pressure that pressure transducer 3-1 monitors coal-winning machine hydraulic braking in real time the oil that will collect
Pressure signal is sent into an A/D change-over circuit 3-2, an A/D change-over circuit 3-2 and the Fuel pressure simulation signal collected is converted to oil
Pressure digital signal, and the oil pressure digital signal after conversion is sent to microcontroller 1, current vortex sensor 4-1 monitors lock in real time
The brake clearance collected also is sent to microcontroller 1 by watt gap, and foil gauge full-bridge circuit module 5-1 monitors brake force in real time
The braking moment signal collected also is sent into amplifying circuit 5-2 by square, and microcontroller 1 controls the work of amplifying circuit 5-2 simultaneously
State, sends into after the process of amplifying circuit 5-2 is converted to the 2nd A/D acceptable input voltage range of change-over circuit 5-3
In 2nd A/D change-over circuit 5-3, the braking moment analogue signal collected is converted to brake force by the 2nd A/D change-over circuit 5-3
Square digital signal, and the braking moment digital signal after conversion is sent to microcontroller 1, the temperature that microcontroller 1 will receive
Angle value, oil pressure digital signal, brake clearance and braking moment digital signal are respectively at predetermined temperature threshold value, oil pressure threshold
Value, brake clearance threshold value and braking moment threshold value compare, it addition, liquid crystal display circuit 7 can be to temperature value, oil pressure numeral
Signal, brake clearance and braking moment digital signal show in real time, conveniently check, it is achieved the ginseng to coal-winning machine hydraulic braking
Number monitoring；When the temperature value that temperature sensor 2-1 collects is more than the temperature threshold first set, microcontroller 1 controls first
Indicator light circuit 2-2 flashes, abnormal for the operating temperature indicating coal-winning machine hydraulic braking, passes through warning circuit simultaneously
8 carry out auditory tone cues, in order to staff overhauls；The oil pressure digital signal received when microcontroller 1 is less than oil pressure threshold
During value, microcontroller 1 controls the second indicator light circuit 3-3 and flashes, for indicating the oil pressure in coal-winning machine hydraulic braking inclined
Low, carry out auditory tone cues by warning circuit 8, in order to staff carries out makeup oil simultaneously；When current vortex sensor 4-1 gathers
When the brake clearance arrived is more than brake clearance threshold value set in advance, microcontroller 1 controls the 3rd indicator light circuit 4-2 and dodges
Bright, for indicating the brake clearance in coal-winning machine hydraulic braking big, carry out auditory tone cues by warning circuit 8, in order to work simultaneously
It is replaced brake shoe as personnel, prevents brake block abrasion from effectively causing accident；When the braking moment numeral letter that microcontroller 1 receives
Number less than braking moment threshold value set in advance time, microcontroller 1 controls the 4th indicator light circuit 5-4 and flashes, is used for referring to
Show that the braking moment in coal-winning machine hydraulic braking is little, carry out auditory tone cues by warning circuit 8, in order to staff is to adopting simultaneously
Braking moment in coal machine is adjusted, and prevents brake circuit fault from causing hydraulic pressure to damage and causes slipping by slope of coal-winning machine, makes work
The problem that coal-winning machine is likely to occur by personnel in advance has been prevented or can understand problem place after going wrong in time, it is ensured that
Running continuously and Quick overhaul process of coal-winning machine hydraulic braking, it is to avoid coal-winning machine shutdown maintenance, improves production efficiency.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still
Belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. coal-winning machine hydraulic braking monitoring device, it is characterised in that: include microcontroller (1) and coal-winning machine hydraulic braking data prison
Surveying unit, described coal-winning machine hydraulic braking data monitoring unit includes the temperature for monitoring coal-winning machine hydraulic braking operating temperature
Monitoring means, for monitoring the hydraulic pressure measure unit of coal-winning machine hydraulic braking oil pressure, for monitoring coal-winning machine hydraulic braking brake shoe
The brake clearance monitoring means in gap and for monitoring the normal pressure monitoring means of coal-winning machine hydraulic braking moment, described microcontroller
(1) input is connected to the button operation circuit (6) arranged for parameter, and the outfan of described microcontroller (1) is connected to report to the police
Circuit (8) and liquid crystal display circuit (7), described temperature monitoring unit includes temperature sensor (2-1) and is used for indicating work temperature
First indicator light circuit (2-2) of degree state, described hydraulic pressure measure unit includes pressure transducer (3-1) and pressure transducer
(3-1) outfan connects an A/D change-over circuit (3-2) and for indicating second indicator light circuit (3-3) of oil pressure state,
Described brake clearance monitoring means includes current vortex sensor (4-1) and for indicating the 3rd indicator light circuit of brake clearance state
(4-2), described normal pressure monitoring means includes positive-pressure detection module and for indicating the 4th display lamp of braking moment state
Circuit (5-4), described positive-pressure detection module includes foil gauge full-bridge circuit module (5-1), the amplifying circuit (5-connected successively
2) and the 2nd A/D change-over circuit (5-3), described temperature sensor (2-1), an A/D change-over circuit (3-2), current vortex sensing
The outfan of device (4-1) and the 2nd A/D change-over circuit (5-3) all inputs with microcontroller (1) connect, described first instruction
Circuit for lamp (2-2), the second indicator light circuit (3-3), the 3rd indicator light circuit (4-2), the 4th indicator light circuit (5-4) and amplification
The input of circuit (5-2) all outfans with microcontroller (1) connect.
2. according to the coal-winning machine hydraulic braking monitoring device described in claim 1, it is characterised in that: described temperature sensor (2-
1) sensor DS18B20 is included.
3. according to the coal-winning machine hydraulic braking monitoring device described in claim 1 or 2, it is characterised in that: described pressure transducer
(3-1) it is GDP40 pressure transducer；A described A/D change-over circuit (3-2) includes the chip A1 that model is ADC0832, described
The CH0 pin of chip A1 connects with the SIG pin of GDP40 pressure transducer, the D1 pin of described chip A1 and the company of D0 pin
Connecing end to connect with microcontroller (1), the CLK pin of described chip A1 and CS pin all connect with microcontroller (1).
4. according to the coal-winning machine hydraulic braking monitoring device described in claim 1 or 2, it is characterised in that: described current vortex senses
Device (4-1) is INA-081 current vortex sensor.
5. according to the coal-winning machine hydraulic braking monitoring device described in claim 1 or 2, it is characterised in that: described foil gauge full-bridge
Circuit module (5-1) is KH-5-350-G4 foil gauge module；Described amplifying circuit (5-2) includes chip LF398 and amplifier
OP07, the IN pin of described chip LF398 connects with the Iout pin of KH-5-350-G4 foil gauge module, described chip LF398
OV pin connect with swept resistance R10 fixing end, another fixing end of described swept resistance R10 is through resistance R11
Ground connection, the sliding end of described swept resistance R10 connects with+15V power output end, and the LR of described chip LF398 draws foot meridian capacitor
The CH pin of C4 and chip LF398 connects, and the L pin of described chip LF398 connects with microcontroller (1), described chip LF398
OUT pin connect with the in-phase input end of amplifier OP07 through resistance R8, the inverting input of described amplifier OP07 divides two-way, one
Road connects with the outfan of amplifier OP07 through resistance R12 through resistance R9 ground connection, another road.
6. according to the coal-winning machine hydraulic braking monitoring device described in claim 5, it is characterised in that: described 2nd A/D conversion electricity
Road (5-3) includes the chip A2 that model is ADC0832, the DO pin of described chip A2 and the connection end of D1 pin, CS pin and
CLK pin all connects with microcontroller (1), and the CH0 pin of described chip A2 connects with the outfan of amplifier OP07.
7. according to the coal-winning machine hydraulic braking monitoring device described in claim 1 or 2, it is characterised in that: described first display lamp
Circuit (2-2) includes that light emitting diode D1, the negative electrode of described light emitting diode D1 connect with microcontroller (1), described luminous two
The anode of pole pipe D1 connects through resistance R4 and+5V power output end；Described second indicator light circuit (3-3) includes light emitting diode
D2, the negative electrode of described light emitting diode D2 connects with microcontroller (1), the anode of described light emitting diode D2 through resistance R5 with+
5V power output end connects；Described 3rd indicator light circuit (4-2) includes light emitting diode D3, the moon of described light emitting diode D3
Pole connects with microcontroller (1), and the anode of described light emitting diode D3 connects through resistance R6 and+5V power output end；Described
Four indicator light circuits (5-4) include that light emitting diode D4, the negative electrode of described light emitting diode D4 connect with microcontroller (1), institute
The anode stating light emitting diode D4 connects through resistance R7 and+5V power output end.
8. according to the coal-winning machine hydraulic braking monitoring device described in claim 1 or 2, it is characterised in that: described liquid crystal display electricity
Road (7) is LCD1602 display screen.
9. according to the coal-winning machine hydraulic braking monitoring device described in claim 1 or 2, it is characterised in that: described microcontroller (1)
Including AT89S52 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620410724.8U CN205608462U (en) | 2016-05-09 | 2016-05-09 | Coal -winning machine hydraulic braking monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620410724.8U CN205608462U (en) | 2016-05-09 | 2016-05-09 | Coal -winning machine hydraulic braking monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205608462U true CN205608462U (en) | 2016-09-28 |
Family
ID=56969407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620410724.8U Expired - Fee Related CN205608462U (en) | 2016-05-09 | 2016-05-09 | Coal -winning machine hydraulic braking monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205608462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414353A (en) * | 2018-01-15 | 2018-08-17 | 沈阳兴华航空电器有限责任公司 | Force-sensing circuit |
| CN112727965A (en) * | 2020-12-24 | 2021-04-30 | 三一重型装备有限公司 | Fault monitoring method and device for brake of coal mining machine |
-
2016
- 2016-05-09 CN CN201620410724.8U patent/CN205608462U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414353A (en) * | 2018-01-15 | 2018-08-17 | 沈阳兴华航空电器有限责任公司 | Force-sensing circuit |
| CN112727965A (en) * | 2020-12-24 | 2021-04-30 | 三一重型装备有限公司 | Fault monitoring method and device for brake of coal mining machine |
| CN112727965B (en) * | 2020-12-24 | 2023-02-24 | 三一重型装备有限公司 | Fault monitoring method and device for brake of coal mining machine |
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