CN204009467U - A kind of mining hydraulic equipment oil pressure pressure detection control circuit - Google Patents
A kind of mining hydraulic equipment oil pressure pressure detection control circuit Download PDFInfo
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- CN204009467U CN204009467U CN201420462765.2U CN201420462765U CN204009467U CN 204009467 U CN204009467 U CN 204009467U CN 201420462765 U CN201420462765 U CN 201420462765U CN 204009467 U CN204009467 U CN 204009467U
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Abstract
The utility model discloses a kind of mining hydraulic equipment oil pressure pressure detection control circuit, comprise power circuit, STC12C5A16S2 master controller, digital pipe display circuit, reference voltage circuit, reset circuit, clock circuit, key circuit, pressure transducer, constant current conversion constant-current circuit, relay circuit and Interface Terminal.The utlity model has following technique effect: be correctly connected with hydraulically operated equipment (HOE) by pressure transducer, pressure monitoring control circuit gathers and converts to corresponding demonstration data to the current signal of pressure transducer in real time and shows in real time, in the time that the data of Collect conversion are greater than the high pressure values arranging by button or be less than the low pressure values arranging by button, pilot relay output switch amount signal controlling or remind hydraulically operated equipment (HOE) out of service.The utlity model has multiple functional, good stability, reliability is strong, and the features such as simple and easy are installed, and is indispensable equipment in mining equipment operational system, to reduce mine safety accidents significant.
Description
Technical field
The utility model relates to a kind of mining hydraulic equipment oil pressure pressure detection control circuit.
Background technology
Hydraulically operated equipment (HOE) is under coal mine in the middle of particular surroundings operation, and the major parameter that wherein reflects hydraulically operated equipment (HOE) normal operation is the oil pressure of hydraulic oil, traditional oil pressure pressure checking device function singleness, and unstable properties, reliability is low, and wiring complexity is installed.
Utility model content
The purpose of this utility model is to provide a kind of mining hydraulic equipment oil pressure pressure detection control circuit.
The technical solution of the utility model is, a kind of mining hydraulic equipment oil pressure pressure detection control circuit, comprise power circuit, STC12C5A16S2 master controller, digital pipe display circuit, reference voltage circuit, reset circuit, clock circuit, key circuit, pressure transducer, constant current conversion constant-current circuit, relay circuit and Interface Terminal, the power interface of Interface Terminal connects the power supply input port of power circuit, the power output of power circuit connects STC12C5A16S2 master controller, digital display circuit, reference voltage circuit, reset circuit, clock circuit, key circuit, pressure transducer, the power port of relay circuit and constant current conversion constant-current circuit, the reset mouth of reset circuit meets the reset pin RESET of STC12C5A16S2 main control, the clock mouth of clock circuit meets clock pin X1 and the clock pin X2 of STC125A16S2 master controller, the button that the button mouth of key circuit connects STC12C5A16S2 master controller detects pin P40 and button detection pin P41, the electric current delivery outlet of pressure transducer connects the acquisition port of constant current conversion constant-current circuit, the AD that the voltage output of constant current conversion constant-current circuit connects STC12C5A16S2 master controller gathers pin P11, the current interface of the constant current output mouth connection interface terminal of constant current conversion constant-current circuit joins, the AD that the reference voltage interface of reference voltage circuit connects STC12C5A16S2 master controller gathers pin P10, the segment encode control mouth of digital pipe display circuit meets STC12C5A16S2 master controller output pin P00～P03, the position of digital pipe display circuit is controlled mouth and is met STC12C5A16S2 master controller output pin P20～P27, the output pin P12 of STC12C5A16S2 master controller and output pin P13 succeed the Control mouth of appliance circuit, the normally closed interface of the normally closed output of relay circuit and Interface Terminal joins.
Described constant current conversion constant-current circuit, comprises amplifier chip LM324, and amplifier chip LM324 comprises first group of amplifier IC5A, second group of amplifier IC5B, the 3rd group of amplifier IC5C, the anodal pin 3 of input of first group of amplifier IC5A connects diode D1 positive pole, capacitor C 7, resistance R 25, resistance R 24, and as voltage output VOUT, the other end of resistance R 24 connects the electric current delivery outlet of pressure transducer as acquisition port I+, diode D1 negative pole, capacitor C 7, the other end of resistance R 25 is ground connection and capacitor C 8 respectively, positive source pin 4 connects power supply VCC and capacitor C 6, the ground of capacitor C 6 other ends, power cathode pin 11 ground connection and capacitor C 8 respectively, output pin 1 connects input negative pole pin 2 and is connected with resistance R 26, second group of amplifier IC5B of another termination of resistance R 26 and capacitor C 8 inputs anodal pin 5, second group of amplifier IC5B inputs anodal pin 5 connecting resistance R27, input negative pole pin 6 joins with resistance R 29, resistance R 30 respectively, output pin 7 connecting resistance R28, the other end of resistance R 27 connects respectively input negative pole pin 9, the output pin 8 of the 3rd group of amplifier IC5C, the other end of resistance R 28 meets respectively the base stage B of diode D6 positive pole and triode Q9, the other end ground connection of the negative pole of diode D6 and resistance R 29, the emitter E of triode Q9 is joined with resistance R 30, resistance R 31 respectively, and the collector of triode Q9 meets power supply VCC, the anodal pin 10 of input connecting resistance R31 and the diode D7 positive pole respectively of the 3rd group of amplifier IC5C, diode D7 negative pole connects capacitor C 9, and diode D7 is anodal with being constant current output IOUT, capacitor C 9 other end ground connection.
The utlity model has following technique effect: be correctly connected with hydraulically operated equipment (HOE) by pressure transducer, pressure monitoring control circuit gathers and converts to corresponding demonstration data to the current signal of pressure transducer in real time and shows in real time, in the time that the data of Collect conversion are greater than the high pressure values arranging by button or be less than the low pressure values arranging by button, pilot relay output switch amount signal controlling or remind hydraulically operated equipment (HOE) out of service.The utility model is with respect to traditional pressure detection control circuit equipment, and this equipment has multiple functional, good stability, reliability is strong, the features such as simple and easy are installed, and are indispensable equipment in mining equipment operational system, significant to reducing mine safety accidents.
Brief description of the drawings
Fig. 1 is the utility model the electric circuit constitute schematic diagram.
Fig. 2 is the utility model constant current conversion constant-current circuit figure.
In Fig. 2: D1:IN4733 voltage stabilizing diode; D6:IN4148 diode; C6:10 μ F/50V electric capacity; C7:0.1 μ F/100V ceramic condenser; C8:0.1 μ F/100V ceramic condenser; C9:0.01 μ F/100V ceramic condenser; R24:0 Ω/0.25W resistance; R25:250 Ω/0.25W precision is 0.1% precision resistance; R26:100K Ω/0.25W resistance; R27:100K Ω/0.25W resistance; R28:470 Ω/0.25W resistance; R29:100K Ω/0.25W resistance; R30:100K Ω/0.25W resistance; R31:250 Ω/0.25W precision is 0.1% precision resistance; The NPN triode of Q9:2N5551;
Embodiment
As shown in Figure 1, a kind of mining hydraulic equipment oil pressure pressure detection control circuit, comprise power circuit, STC12C5A16S2 master controller, 4 digital pipe display circuits, reference voltage circuit, reset circuit, clock circuit, key circuit, pressure transducer, constant current conversion constant-current circuit, relay circuit and Interface Terminal, the power interface of Interface Terminal connects the power supply input port of power circuit, the power output of power circuit connects STC12C5A16S2 master controller, 4 figure place code display circuits, reference voltage circuit, reset circuit, clock circuit, key circuit, pressure transducer, the power port of relay circuit and constant current conversion constant-current circuit, the reset mouth of reset circuit meets the reset pin RESET of STC12C5A16S2 main control, the clock mouth of clock circuit meets clock pin X1 and the clock pin X2 of STC125A16S2 master controller, the button that the button mouth of key circuit connects STC12C5A16S2 master controller detects pin P40 and button detection pin P41, the electric current delivery outlet of pressure transducer connects the acquisition port of constant current conversion constant-current circuit, the AD that the voltage output of constant current conversion constant-current circuit connects STC12C5A16S2 master controller gathers pin P11, the current interface of the constant current output mouth connection interface terminal of constant current conversion constant-current circuit joins, the AD that the reference voltage interface of reference voltage circuit connects STC12C5A16S2 master controller gathers pin P10, the segment encode control mouth of 4 digital pipe display circuits meets STC12C5A16S2 master controller output pin P00～P03, the position of 4 digital pipe display circuits is controlled mouth and is met STC12C5A16S2 master controller output pin P20～P27, the output pin P12 of STC12C5A16S2 master controller and output pin P13 succeed the Control mouth of appliance circuit, the normally closed interface of the normally closed output of relay circuit and Interface Terminal joins,
As shown in Figure 2, described constant current conversion constant-current circuit, comprises amplifier chip IC 5, and amplifier chip IC 5 comprises first group of amplifier IC5A, second group of amplifier IC5B, the 3rd group of amplifier IC5C, the anodal pin 3 of input of first group of amplifier IC5A connects diode D1 positive pole, capacitor C 7, resistance R 25, resistance R 24, and as voltage output VOUT, the other end of resistance R 24 connects the electric current delivery outlet of pressure transducer as acquisition port I+, diode D1 negative pole, capacitor C 7, the other end of resistance R 25 is ground connection and capacitor C 8 respectively, positive source pin 4 connects power supply VCC and capacitor C 6, the ground of capacitor C 6 other ends, power cathode pin 11 ground connection and capacitor C 8 respectively, output pin 1 connects input negative pole pin 2 and is connected with resistance R 26, second group of amplifier IC5B of another termination of resistance R 26 and capacitor C 8 inputs anodal pin 5, second group of amplifier IC5B inputs anodal pin 5 connecting resistance R27, input negative pole pin 6 joins with resistance R 29, resistance R 30 respectively, output pin 7 connecting resistance R28, the other end of resistance R 27 connects respectively input negative pole pin 9, the output pin 8 of the 3rd group of amplifier IC5C, the other end of resistance R 28 meets respectively the base stage B of diode D6 positive pole and triode Q9, the other end ground connection of the negative pole of diode D6 and resistance R 29, the emitter E of triode Q9 is joined with resistance R 30, resistance R 31 respectively, and the collector of triode Q9 meets power supply VCC, the anodal pin 10 of input connecting resistance R31 and the diode D7 positive pole respectively of the 3rd group of amplifier IC5C, diode D7 negative pole connects capacitor C 9, and diode D7 is anodal with being constant current output IOUT, capacitor C 9 other end ground connection.
Model is the electric current I+through resistance R 24 current limlitings of the electric current delivery outlet output of RX513-C007 sensor, become voltage signal by resistance R 25 sample conversion, after capacitor C 7 filtering and diode D1 voltage stabilizing, input to the anodal pin 3 of input of first group of amplifier IC5A of IC5 amplifier chip, the positive source pin 4 of IC5 amplifier chip and power cathode pin 11 are connected respectively power supply VCC and power supply GND provides working power for IC5 amplifier chip, the output pin 1 of first group of amplifier IC5A of IC5 amplifier chip utilizes voltage follow principle to be connected with input negative pole pin 2, the voltage that is made to input negative pole pin 2 by the disconnected principle of the short void of void is consistent with the voltage of inputting anodal pin 3, voltage forms voltage distribution circuit through resistance R 26 and resistance R 27, and connect the anodal pin 5 of input of second group of amplifier IC5B of IC5 amplifier chip, by input negative pole pin 6 and the output pin 7 of second group of amplifier IC5B of IC5 amplifier chip, resistance R 28 is to resistance R 31, diode D6 utilizes the 3rd group of amplifier IC5C of amplifier principle of work and IC5 amplifier chip to utilize the counting circuit of voltage follow principle composition and the constant-current drive circuit that triode Q9 provides, the current interface of constant current signal constant current output IOUT connecting interface terminal after anti-reverse electric current input diode D7 and capacitor C 9 filtering of conversion is for other equipment Inspection control.
In the time that pressure detection opertaing device is normally connected to hydraulically operated equipment (HOE), the oil pressure of hydraulically operated equipment (HOE) is carried out Real-time Collection computing and controls driving charactron to show corresponding oil pressure value, the digital signal of conversion and the height oil pressure value of button setting are carried out to comparing calculation simultaneously, when oil pressure hypertonia or output contact signal and contact action indicator signal when too low, thereby control hydraulically operated equipment (HOE) is out of service or it is out of service to control hydraulically operated equipment (HOE) for PLC detection contact signal, to prevent the generation of security incident in hydraulically operated equipment (HOE) operational process.
Claims (1)
1. a mining hydraulic equipment oil pressure pressure detection control circuit, comprise power circuit, STC12C5A16S2 master controller, digital pipe display circuit, reference voltage circuit, reset circuit, clock circuit, key circuit, pressure transducer, constant current conversion constant-current circuit, relay circuit and Interface Terminal, it is characterized in that: the power interface of Interface Terminal connects the power supply input port of power circuit, the power output of power circuit connects STC12C5A16S2 master controller, digital display circuit, reference voltage circuit, reset circuit, clock circuit, key circuit, pressure transducer, the power port of relay circuit and constant current conversion constant-current circuit, the reset mouth of reset circuit meets the reset pin RESET of STC12C5A16S2 main control, the clock mouth of clock circuit meets clock pin X1 and the clock pin X2 of STC125A16S2 master controller, the button that the button mouth of key circuit connects STC12C5A16S2 master controller detects pin P40 and button detection pin P41, the electric current delivery outlet of pressure transducer connects the acquisition port of constant current conversion constant-current circuit, the AD that the voltage output of constant current conversion constant-current circuit connects STC12C5A16S2 master controller gathers pin P11, the current interface of the constant current output mouth connection interface terminal of constant current conversion constant-current circuit joins, the AD that the reference voltage interface of reference voltage circuit connects STC12C5A16S2 master controller gathers pin P10, the segment encode control mouth of digital pipe display circuit meets STC12C5A16S2 master controller output pin P00～P03, the position of digital pipe display circuit is controlled mouth and is met STC12C5A16S2 master controller output pin P20～P27, the output pin P12 of STC12C5A16S2 master controller and output pin P13 succeed the Control mouth of appliance circuit, the normally closed interface of the normally closed output of relay circuit and Interface Terminal joins,
Described constant current conversion constant-current circuit, comprises amplifier chip IC 5, and amplifier chip IC 5 comprises first group of amplifier IC5A, second group of amplifier IC5B, the 3rd group of amplifier IC5C, the anodal pin 3 of input of first group of amplifier IC5A connects diode D1 positive pole, capacitor C 7, resistance R 25, resistance R 24, and as voltage output VOUT, the other end of resistance R 24 connects the electric current delivery outlet of pressure transducer as acquisition port I+, diode D1 negative pole, capacitor C 7, the other end of resistance R 25 is ground connection and capacitor C 8 respectively, positive source pin 4 connects power supply VCC and capacitor C 6, the ground of capacitor C 6 other ends, power cathode pin 11 ground connection and capacitor C 8 respectively, output pin 1 connects input negative pole pin 2 and is connected with resistance R 26, second group of amplifier IC5B of another termination of resistance R 26 and capacitor C 8 inputs anodal pin 5, second group of amplifier IC5B inputs anodal pin 5 connecting resistance R27, input negative pole pin 6 joins with resistance R 29, resistance R 30 respectively, output pin 7 connecting resistance R28, the other end of resistance R 27 connects respectively input negative pole pin 9, the output pin 8 of the 3rd group of amplifier IC5C, the other end of resistance R 28 meets respectively the base stage B of diode D6 positive pole and triode Q9, the other end ground connection of the negative pole of diode D6 and resistance R 29, the emitter E of triode Q9 is joined with resistance R 30, resistance R 31 respectively, and the collector of triode Q9 meets power supply VCC, the anodal pin 10 of input connecting resistance R31 and the diode D7 positive pole respectively of the 3rd group of amplifier IC5C, diode D7 negative pole connects capacitor C 9, and diode D7 is anodal with being constant current output IOUT, capacitor C 9 other end ground connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420462765.2U CN204009467U (en) | 2014-08-15 | 2014-08-15 | A kind of mining hydraulic equipment oil pressure pressure detection control circuit |
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| CN201420462765.2U CN204009467U (en) | 2014-08-15 | 2014-08-15 | A kind of mining hydraulic equipment oil pressure pressure detection control circuit |
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| CN204009467U true CN204009467U (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257628A (en) * | 2015-10-23 | 2016-01-20 | 北京精密机电控制设备研究所 | Fault simulation tank of three-redundancy hydraulic servo mechanism |
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2014
- 2014-08-15 CN CN201420462765.2U patent/CN204009467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257628A (en) * | 2015-10-23 | 2016-01-20 | 北京精密机电控制设备研究所 | Fault simulation tank of three-redundancy hydraulic servo mechanism |
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