CN218271250U - Pipeline discrete turbulence analysis device - Google Patents
Pipeline discrete turbulence analysis device Download PDFInfo
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- CN218271250U CN218271250U CN202220562751.2U CN202220562751U CN218271250U CN 218271250 U CN218271250 U CN 218271250U CN 202220562751 U CN202220562751 U CN 202220562751U CN 218271250 U CN218271250 U CN 218271250U
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Abstract
The utility model discloses a pipeline discrete turbulence analysis device, which comprises a shell and a circuit board arranged in the shell, wherein the shell comprises an upper shell and a lower shell, and the circuit board is arranged in a sealed cavity enclosed by the upper shell and the lower shell; the leakage detection device comprises a circuit board, a leakage signal receiving module, an alarm signal output module, an alarm indication module, a PTO signal output unit, a leakage signal remote transmission module, a display screen and a power supply module, wherein the circuit board is integrated with the leakage signal receiving module, the alarm signal output module, the alarm indication module, the PTO signal output unit and the leakage signal remote transmission module which are used for transmitting leakage signals to the upper-level control unit, the signal output end of the leakage signal receiving module is electrically connected with the signal input end of the alarm signal output module, and the signal output end of the alarm signal output module is respectively electrically connected with the alarm indication module and the leakage signal remote transmission module in a communication mode.
Description
Technical Field
The utility model belongs to the technical field of colliery extra-high voltage pipeline weeping detects, concretely relates to discrete turbulent analysis device of pipeline.
Background
At present, whether the extra-high voltage pipeline in the coal mine has a leakage condition or not is periodically checked manually, the underground terrain environment is complex, a lot of invariance is brought to workers, and the leakage condition of the coal mine pipeline is manually checked, so that the workload of the workers is large, and the condition that the workers cannot find or cannot find in time under the condition that the extra-high voltage pipeline in the coal mine initially has leakage or tiny leakage often exists. Therefore, the leakage detection device suitable for the extra-high voltage pipeline in the coal mine and the leakage analysis and processing device which can be used together with the leakage detection device and can transmit the leakage signal to the remote control system are designed, and the leakage analysis and processing device has great significance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline discrete turbulent flow analytical equipment, the discrete turbulent flow detection device on the special high-voltage pipeline in cooperation colliery uses, has solved the artifical big problem of detecting the special high-voltage pipeline seepage degree of difficulty in colliery.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a pipeline discrete turbulence analysis device comprises a shell and a circuit board arranged in the shell, wherein the shell comprises an upper shell and a lower shell, and the circuit board is arranged in a sealed cavity defined by the upper shell and the lower shell; the leakage detection device comprises a circuit board, a leakage signal receiving module, an alarm signal output module, an alarm indication module, a leakage signal remote transmission module for transmitting a leakage signal to a superior control unit, a PTO signal output unit, a display screen for displaying debugging parameters and a power supply module for supplying power to electrical appliances on the circuit board, wherein the circuit board is integrated with the leakage signal receiving module, the alarm signal output module, the PTO signal remote transmission module, the display screen and the power supply module.
Preferably, the liquid leakage signal receiving module comprises a 315Mhz radio frequency receiving chip adapted to a 315Mhz radio frequency transmitting chip in the liquid leakage detection device, the alarm signal output module comprises a ULN2003A driving chip composed of 7 silicon NPN darlington tubes, the alarm indication module comprises an alarm indicator and a power indicator, an output of the 315Mhz radio frequency receiving chip is connected with an input of the ULN2003A driving chip, an output of the ULN2003A driving chip is respectively connected with the alarm indicator and the power indicator, and the ULN2003A driving chip drives the corresponding alarm indicator and the power indicator to operate according to the received signals.
Preferably, the liquid leakage signal remote transmission module comprises an optoelectronic coupler of AQV252G, an input pin of the optoelectronic coupler is electrically connected with an output of the ULN2003A driving chip in a communication manner, a power supply VSS pin of the optoelectronic coupler is electrically connected with an output end of the PTO signal output unit in a communication manner, an output pin of the optoelectronic coupler is connected with a previous-stage control unit through a remote transmission signal terminal, and the previous-stage control unit is a PLC control system or a DCS control system.
Preferably, the power module comprises a voltage stabilizing module and a DC-DC isolation module, an input end of the voltage stabilizing module is externally connected with an external power supply, an output end of the voltage stabilizing module is connected with an input end of the DC-DC isolation module, and the DC-DC isolation module outputs a stable 5V voltage to supply power to each power utilization module.
Preferably, the PTO signal output unit includes a microcontroller with a model number of N76E002A, an input end of the microcontroller is connected with a debug switch, the display driving module includes an LCD liquid crystal display driving chip with a model number of HT1621B, and the display screen is an LCD liquid crystal display screen.
Preferably, the circuit board comprises a receiver circuit board and an indicator light circuit board, the leakage signal receiving module, the alarm signal output module, the leakage signal remote transmission module, the PTO signal output unit, the display driving module and the power supply module are integrated on the receiver circuit board, and the alarm indication module is integrated on the indicator light circuit board.
Preferably, there are 4 groups of alarm indicator lamps.
Preferably, the upper shell and the lower shell are assembled and disassembled through screws, a sealing washer is arranged at the joint of the upper shell and the lower shell, the indicator lamp circuit board is fixed on the upper shell through a circuit board screw I, and an indicator lamp accommodating hole matched with the alarm indicator lamp and the power indicator lamp is formed in the corresponding position of the upper shell; the receiver circuit board is fixed on the lower shell through bolts and nuts.
Preferably, the shell both sides symmetry is provided with stud down, and the last one end of being close to down the shell of stud is connected with plastics and detains, and the last one end of keeping away from down the shell of stud is connected with the nut of screwing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the casing of the discrete turbulent flow analytical equipment of pipeline is ABS modulation, and corrosion resistance is high, and power module includes voltage stabilizing module and DC-DC keeps apart the module, adopts DC-DC to keep apart the module and keeps apart inside power supply, has explosion-proof ability reinforce, advantage that factor of safety is high. The utility model discloses can externally output PTO signal, PTO signal can external outside PLC system (IO interface) and display screen configuration realize man-machine conversation and information processing, have advantages such as accurate positioning leakage point, monitoring sensitivity accuracy.
2. The utility model discloses the intelligent degree of pipeline discrete turbulence analytical equipment is high, can insert and monitor in the full mine automation system.
3. The utility model discloses pipeline discrete turbulent flow analytical equipment can be suitable for complicated environment under the ore deposit, need not again whether artifical investigation colliery extra-high voltage pipeline weeping, has alleviateed workman intensity of labour greatly, has improved work efficiency.
Drawings
Fig. 1 is a schematic circuit diagram of a liquid leakage signal receiving module, an alarm signal output module, a liquid leakage signal remote transmission module and a power module of the pipeline discrete turbulence analysis device of the present invention;
fig. 2 is a schematic circuit diagram of a PTO signal output unit and a display driving module part of the discrete turbulence analyzing apparatus for pipeline according to the present invention;
fig. 3 is a schematic structural diagram of the pipe discrete turbulence analysis apparatus of the present invention;
fig. 4 is a cross-sectional view of the pipe discrete turbulence analyzing apparatus of the present invention;
fig. 5 is a schematic circuit diagram of the discrete turbulence detection device of the pipeline.
Reference numbers in the figures: the device comprises an upper shell 100, a lower shell 200, a sealing washer 300, a stud bolt 400, a plastic buckle 401, a screwing nut 402, a receiver circuit board 501, an indicator light circuit board 502, circuit board screws I-600, an alarm indicator light 601, a power indicator light 602 and screws 700.
Detailed Description
For a better understanding of the present invention by those skilled in the art, the present invention will be further described with reference to the following detailed description:
as shown in fig. 1 to 4, a device for analyzing discrete turbulence in a pipeline comprises a housing and a circuit board disposed in the housing, wherein the housing comprises an upper housing 100 and a lower housing 200, and the upper housing 100 and the lower housing 200 are detachably connected by screws 700.
As a specific embodiment of this embodiment, a sealing gasket 300 is disposed at a joint of the upper casing 100 and the lower casing 200, and the sealing gasket 300 is made of nitrile rubber, so that a chamber enclosed by the upper casing 100 and the lower casing 200 is a relatively closed space.
The casing is ABS modulation, and corrosion resistance is high, and lower casing 100 both sides symmetry is provided with the stud 400 that supplies external communication/circular telegram wire to pass, and the one end that is close to casing 100 down on the stud 400 is connected with plastics and detains 401, and the one end that the stud 400 kept away from casing 100 down is connected with the nut 402 of screwing.
The circuit board is arranged in a sealed cavity defined by the upper shell 100 and the lower shell 200, the circuit board is made of a flame-retardant copper foil-coated glass fiber laminated board, a leakage signal receiving module for receiving a detection signal sent by a leakage detection device, an alarm signal output module, an alarm indication module, a leakage signal remote transmission module for transmitting the leakage signal to a superior control unit, a PTO signal output unit, a display screen for displaying debugging parameters and a power supply module for supplying power to all electrical devices on the circuit board are integrated on the circuit board, the signal output end of the leakage signal receiving module is electrically connected with the signal input end of the alarm signal output module, the signal output end of the alarm signal output module is respectively and electrically communicated with the alarm indication module and the leakage signal remote transmission module, the leakage signal remote transmission module is also electrically communicated with the signal output end of the PTO signal output unit, and the PTO signal output unit is electrically connected with the display screen through a display driving module.
As a specific embodiment of this embodiment, the circuit board includes a receiver circuit board 501 and an indicator light circuit board 502, the receiver circuit board 501 is connected to the indicator light circuit board 502 through a flat cable, the receiver circuit board 501 is fixed to the lower housing 200 through a bolt and a nut, and the indicator light circuit board 502 is fixed to the upper housing 100 through a circuit board screw i-600. The leakage signal receiving module, the alarm signal output module, the leakage signal remote transmission module, the PTO signal output unit, the display driving module and the power supply module are integrated on the receiver circuit board 501, the alarm indicating module is integrated on the indicator lamp circuit board 502, and the alarm indicating module comprises an alarm indicating lamp 601 and a power supply indicating lamp 602.
In this embodiment, there are 4 groups of alarm indicator lamps, the 4 groups of alarm indicator lamps correspond to LED0, LED1, LED2, and LED3 in the circuit diagram respectively, the power indicator lamp corresponds to LED4 in the circuit diagram, and the indicator lamp circuit board 502 is connected to the receiver circuit board 501 by a flat cable. An indicator light accommodating hole matched with the alarm indicator light 601 and the power indicator light 602 is formed in the corresponding position of the upper shell 100.
In a specific embodiment, referring to fig. 1, the power supply module includes a voltage stabilizing module and a DC-DC isolation module, the voltage stabilizing module adopts a low power consumption and large current linear voltage stabilizing chip with model number HT7550A, the input end of the voltage stabilizing module is externally connected to an external power supply (18V), the externally connected 18V power supply outputs 5V voltage through the voltage stabilizing module, and provides base voltage for each electric component on the circuit board of the pipeline discrete turbulence analysis device.
In order to improve the power supply safety factor of the pipeline discrete turbulence analysis device, the DC-DC isolation module with model number IB0505 is additionally arranged at the output end of the voltage stabilizing module, the DC-DC isolation module processes the 5V voltage output by the voltage stabilizing module, and the DC-DC isolation module is adopted to isolate the internal power supply, so that the pipeline discrete turbulence analysis device is explosion-proof and high in safety performance, and can be used for coal mine extra-high voltage pipelines.
In one embodiment, referring to fig. 1, the leakage signal receiving module includes a 315Mhz radio frequency receiving chip for receiving the pulse signal transmitted by the 315Mhz radio frequency transmitting chip.
The alarm signal output module comprises a ULN2003A chip consisting of 7 silicon NPN Darlington tubes.
The output of the 315Mhz radio frequency receiving chip is connected with the input of the ULN2003A chip, one path of the output of the ULN2003A chip is in communication connection with the alarm indication module, the ULN2003A chip drives the corresponding alarm indication lamp and the power supply indication lamp to work according to the received signals, and the other path of the output of the ULN2003A chip is in communication connection with the liquid leakage signal remote transmission module.
The liquid leakage signal remote transmission module comprises a photoelectric coupler with the model of AQV252G, an input pin of the photoelectric coupler is in electrical communication connection with the output of the ULN2003A driving chip, a power supply pin of the photoelectric coupler is in electrical communication connection with the signal output end of the PTO signal output unit, an output pin of the photoelectric coupler is connected with a last-stage control unit through a remote transmission signal terminal, and the last-stage control unit is a PLC control system or a DCS control system.
The PTO signal output unit comprises a microcontroller with the model number N76E002A, and the input end of the microcontroller can be connected with a debugging switch (S01, S02, S03, S04).
The display driving module comprises an LCD liquid crystal display driving chip with the model of HT1621B, the microcontroller of N76E002A is electrically connected with the LCD liquid crystal display driving chip through an internal communication interface, and the display screen is an LCD liquid crystal display screen. During modulation, the LCD screen can display debugging parameter information such as current, voltage, pulse and the like.
Analyzing principle of the pipeline discrete turbulence analyzing device:
the 315Mhz radio frequency receiving chip is matched with a 315Mhz radio frequency transmitting chip in a leakage detection device, when the leakage detection device detects that a pipeline leaks, wireless pulses are sent, after the 315Mhz radio frequency receiving chip in the pipeline discrete turbulence analysis device detects the wireless pulses sent by the leakage detection device, the wireless pulses are decoded by a wireless receiving unit and sent to an alarm signal output module, the alarm signal output module outputs a plurality of signals after analysis and processing, the first signal is sent to an alarm indication module, the second signal is sent to a photoelectric coupler, the third signal is sent to a power supply for controlling a PTO signal output unit, the PTO signal output unit is electrified to send out pulse signals at the moment, and the pulse signals are transmitted to an upper computer (a PLC control system or a DCS control system) through a leakage signal remote transmission module.
The PTO signal output unit adopts a 3.3V power supply, and the MCU power supply unit which provides the 3.3V power supply for the PTO signal output unit comprises a voltage stabilizing chip with the model number of HT 7533-1.
In practical applications, the discrete turbulence analyzing apparatus for a pipeline in this embodiment is specifically described by taking 1 discrete turbulence analyzing apparatus for a pipeline and 8 discrete turbulence detecting apparatuses for a pipeline as an example.
Respectively installing 8 pipeline discrete turbulence detection devices at the joints of pipelines (each pipeline is 4.5 meters long, and the total length of 8 pipelines is 36 meters), assuming that the positions of the 8 pipeline discrete turbulence detection devices are respectively a 1# detection point, a 2# detection point, a 3# detection point, a 4# detection point, a 5# detection point, a 6# detection point, a 7# detection point and an 8# detection point, and 4 pipeline discrete turbulence analysis devices are configured in the pipeline discrete turbulence analysis devices and are respectively used for indicating 1# detection points and 2# detection points; detection points 3#, 4 #; detection points 5# and 6 #; and if the detection points 7# and 8# have the alarm indicator lamps for liquid leakage, and if the detection points detect liquid leakage, the corresponding alarm indicator lamps are lightened, and the lamplight gives an alarm indication. Meanwhile, the leakage analysis device uploads the leakage signal to an upper computer, and the leakage signal detected by remote monitoring can be realized. The pipeline is provided with a pipeline switch valve which can be remotely controlled by an upper computer, when the upper computer receives a liquid leakage signal, an instruction for closing the corresponding pipeline valve is sent, and workers can arrange to overhaul the corresponding pipeline valve by using overhaul workers.
For example, if a leakage occurs in the pipeline at the 1,2# detection point, the pipeline discrete turbulence detection device at the 1,2# detection point will detect the occurrence of the leakage, and then the radio frequency transmission module sends a pulse signal to the leakage analysis device. A leakage signal receiving module in the leakage analysis device receives the pulse signal, decodes the pulse signal through a wireless receiving unit and sends the pulse signal to an alarm signal output module, the alarm signal output module analyzes and processes the pulse signal, judges that leakage occurs in a pipeline at the 1,2# detection point position, and then outputs a plurality of paths of signals.
The first path of signal is sent to the alarm indicating module, and an alarm indicating lamp used for indicating whether liquid leakage exists at the position of the 1,2# detection point in the alarm module is lightened. The second path of signals are transmitted to the photoelectric coupler, the third path of signals are transmitted to the power input of the MCU power supply unit of the PTO signal output unit, the PTO signal output unit is electrified to send out pulse train signals at the moment, the pulse signals are transmitted to an upper computer (a PLC control system or a DCS control system) through the liquid leakage signal remote transmission module, then the upper-stage control unit sends out an instruction for closing a corresponding pipeline valve, and workers can arrange for targeted maintenance by maintenance workers.
The working principle is as follows: the pipeline discrete turbulence analysis device is used for monitoring the abnormal leakage of an emulsion conveying pipeline, is matched with a pipeline discrete turbulence detection device for use, adopts a milliwatt-level high-frequency wireless transceiving technology, enables the product to be flexibly and quickly installed, is designed based on the micro-power-consumption planar capacitance distribution principle, adopts an SMT (surface mount technology) chip process for a circuit board, has stable and reliable direct power supply performance of an RC2477 battery, can give an alarm on site when receiving a leakage signal sent by the pipeline discrete turbulence analysis device, and can also output a PTO (power take off) pulse signal externally. The PTO pulse signal can be externally connected with an external PLC system (I/O interface) and configured with a display screen to realize man-machine conversation and information processing to accurately position the leakage point.
The product has high precision, high explosion-proof level and high corrosion resistance, and is suitable for underground installation in a roadway with gas and coal dust explosion risks.
As shown in fig. 5, the circuit diagram of the pipeline discrete turbulence detection apparatus includes a liquid leakage detection module for detecting whether liquid leakage exists, and a radio frequency transmission module for transmitting a liquid leakage signal to the pipeline discrete turbulence analysis apparatus; the liquid leakage detection module comprises a non-contact liquid leakage detection disc and a TTP223B detection chip, the non-contact liquid leakage detection disc is electrically connected with the touch input end of the TTP223B detection chip, and the signal output end of the TTP223B detection chip is electrically connected with the radio frequency emission module; the radio frequency transmitting module comprises a 315Mhz radio frequency transmitting chip; when the leaked liquid of the pipeline appears in the range of the leaked liquid detection area of the non-contact type leaked liquid detection disc, the leaked liquid can be detected by the leaked liquid detection module, and then the radio frequency transmission module sends a signal to the pipeline discrete turbulence analysis device.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (8)
1. A pipeline discrete turbulence analysis device is characterized in that: the circuit board is arranged in a sealed cavity defined by the upper shell and the lower shell; the leakage detection device comprises a circuit board, a leakage signal receiving module, an alarm signal output module, an alarm indication module, a leakage signal remote transmission module for transmitting a leakage signal to a previous-stage control unit, a PTO (power take off) output module, a display screen and a power supply module for supplying power to various electric appliances on the circuit board, wherein the circuit board is integrated with the leakage signal receiving module, the alarm signal output module, the PTO output module and the power supply module;
the upper shell and the lower shell are assembled and disassembled through screws, and a sealing gasket is arranged at the joint of the upper shell and the lower shell;
the upper shell is fixed on the indicating lamp circuit board through a circuit board screw I, and an indicating lamp accommodating hole matched with the alarm indicating lamp and the power supply indicating lamp is formed in the corresponding position of the upper shell;
the lower shell is fixed on the receiver circuit board through bolts and nuts.
2. The discrete turbulence analyzing apparatus of claim 1, wherein: the liquid leakage signal receiving module comprises a 315Mhz radio frequency receiving chip matched with a 315Mhz radio frequency transmitting chip in the liquid leakage detection device, the alarm signal output module comprises an ULN2003A chip consisting of 7 silicon NPN Darlington tubes, the alarm indicating module comprises an alarm indicating lamp and a power supply indicating lamp, the output of the 315Mhz radio frequency receiving chip is connected with the input of an ULN2003A driving chip, the output of the ULN2003A driving chip is respectively connected with the alarm indicating lamp and the power supply indicating lamp, and the ULN2003A driving chip drives the corresponding alarm indicating lamp and the corresponding power supply indicating lamp to work according to the received signals.
3. The discrete turbulence analyzing apparatus for pipes as set forth in claim 2, wherein: the liquid leakage signal remote transmission module comprises a photoelectric coupler with the model of AQV252G, an input pin of the photoelectric coupler is in electrical communication connection with the output of the ULN2003A driving chip, a power supply pin of the photoelectric coupler is in electrical communication connection with the signal output end of the PTO signal output unit, an output pin of the photoelectric coupler is connected with a previous-stage control unit through a remote transmission signal terminal, and the previous-stage control unit is a PLC control system or a DCS control system.
4. The discrete turbulence analyzing apparatus for pipes as set forth in claim 3, wherein: the power supply module comprises a voltage stabilizing module and a DC-DC isolation module, wherein the input end of the voltage stabilizing module is externally connected with an external power supply, the output end of the voltage stabilizing module is connected with the input end of the DC-DC isolation module, and the DC-DC isolation module outputs stable 5V voltage to supply power to each power utilization module.
5. The discrete turbulence analyzing apparatus for pipes as set forth in claim 4, wherein: the PTO signal output unit comprises a microcontroller with the model number of N76E002A, the input end of the microcontroller is externally connected with a debugging switch, the display driving module comprises an LCD liquid crystal display driving chip with the model number of HT1621B, and the display screen is an LCD liquid crystal display screen.
6. The discrete turbulence analyzing apparatus for pipes as set forth in claim 5, wherein: the circuit board comprises a receiver circuit board and an indicator light circuit board, the leakage signal receiving module, the alarm signal output module, the leakage signal remote transmission module, the PTO signal output unit, the display driving module and the power supply module are integrated on the receiver circuit board, and the alarm indication module is integrated on the indicator light circuit board.
7. The discrete turbulence analyzing apparatus for pipes as set forth in claim 6, wherein: the alarm indicator lamps have 4 groups.
8. The discrete turbulence analyzing apparatus for piping according to any one of claims 1 to 7, wherein: the shell is characterized in that stud bolts are symmetrically arranged on two sides of the lower shell, one ends, close to the lower shell, of the stud bolts are connected with plastic buckles, and one ends, far away from the lower shell, of the stud bolts are connected with screwing nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220562751.2U CN218271250U (en) | 2022-03-16 | 2022-03-16 | Pipeline discrete turbulence analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220562751.2U CN218271250U (en) | 2022-03-16 | 2022-03-16 | Pipeline discrete turbulence analysis device |
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| Publication Number | Publication Date |
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| CN218271250U true CN218271250U (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220562751.2U Active CN218271250U (en) | 2022-03-16 | 2022-03-16 | Pipeline discrete turbulence analysis device |
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| CN (1) | CN218271250U (en) |
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