CN107703879B - A kind of PLC intelligent controlling device of neurosurgery drainage - Google Patents
A kind of PLC intelligent controlling device of neurosurgery drainage Download PDFInfo
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- CN107703879B CN107703879B CN201711179931.2A CN201711179931A CN107703879B CN 107703879 B CN107703879 B CN 107703879B CN 201711179931 A CN201711179931 A CN 201711179931A CN 107703879 B CN107703879 B CN 107703879B
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- 230000005611 electricity Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000001537 neural effect Effects 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002861 ventricular Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- 206010019909 Hernia Diseases 0.000 description 1
- 208000000386 Hypertensive Intracranial Hemorrhage Diseases 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000007914 intraventricular administration Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1187—Test input value with stored limits, permissable range, plausibility
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Programmable Controllers (AREA)
Abstract
The invention discloses a kind of PLC intelligent controlling devices of neurosurgery drainage, including PLC intelligent controlling device main body, the PLC intelligent controlling device main body includes shell, and the inside of shell is equipped with main circuit board and the secondary circuit board positioned at main circuit board side, the voltage input port of the pair circuit board is electrically connected with one end of the first high pressure resistant resistance, and first high pressure resistant resistance welding secondary circuit board a side bottom, the other end of the first high pressure resistant resistance is electrically connected with the sliding end of slide rheostat, and slide rheostat is mounted on secondary circuit board, the slide rheostat sets that there are two the mounting bases mutually welded with secondary circuit board far from the side of main circuit board, and slide rheostat is additionally provided with shaft far from the side of main circuit board.Economic use of the invention can be automatically adjusted to the voltage value of setting, ensure that the normal operation of PLC intelligent controlling device when the voltage that PLC intelligent controlling device main body is accessed fluctuates on main circuit board.
Description
Technical field
The present invention relates to PLC intelligent controlling device technical field more particularly to a kind of PLC of neurosurgery drainage intelligence
Control device.
Background technique
In the clinical treatment of many diseases of neurosurgery, such as brain tumor, severe intracranial injury, hypertensive cerebral hemorrhage are controlled
It treats, requires to use drainage system fo r neurosurgical operation, drainage system fo r neurosurgical operation is the important application to continuous ventricular drainage.
Continuous ventricular drainage is will to have several side openings after cranial drill hole rows ventricular puncture or in operation of opening cranium
Drainage tube front end is placed in the ventricles of the brain, the sterile drainage bottle in end external one, and continuous ventricular drainage is by one outside cerebrospinal fluid lead body
Item technology, it is the common first aid means of neurosurgery, particularly with the critical patient of high cranium pressure, implements intraventricular drainage, can
To avoid or slow down the generation of hernia cerebri, save its life.
Drainage system fo r neurosurgical operation all has PLC intelligent controlling device to reduce the workload of medical staff, existing
The PLC intelligent controlling device of neurosurgery drainage can not automatically adjust to internal input voltage, when outside access
When biggish fluctuation occurs for voltage, PLC intelligent controlling device is easy to be damaged.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of PLC of neurosurgery drainage intelligently to control
Device processed.
A kind of PLC intelligent controlling device of neurosurgery drainage proposed by the present invention, including PLC intelligent controlling device master
Body, the PLC intelligent controlling device main body includes shell, and the inside of shell is equipped with main circuit board and is located at main circuit board one
The voltage input port of the secondary circuit board of side, the pair circuit board is electrically connected with one end of the first high pressure resistant resistance, and first
In a side bottom of secondary circuit board, the other end of the first high pressure resistant resistance is electrically connected with to slide to be become high pressure resistant resistance welding
The sliding end of device is hindered, and slide rheostat is mounted on secondary circuit board, the slide rheostat is set far from the side of main circuit board
There are two the mounting bases mutually welded with secondary circuit board, and slide rheostat is additionally provided with shaft far from the side of main circuit board, described
Shaft and mounting base are rotatablely installed, and the outside of the shaft is equipped with the first rack gear being located between two mounting bases, and shaft is logical
Cross the first rack gear screw thread and movable block be installed, the sliding end of the movable block and slide rheostat is fixedly mounted, and movable block with
Secondary circuit board is slidably installed, and the outside fixing sleeve of the shaft is equipped with the first circular gear, and the first circular gear is located at installation
The top of seat, first circular gear are engaged with the second circular gear, and driving electricity is welded at the top of the second circular gear
The output shaft of machine, the driving motor are fixedly mounted on the inside of shell, and the fixing end of the slide rheostat is electrically connected with
One end of second high pressure resistant resistance, and the second high pressure resistant resistance welding is high pressure resistant in a lateral roof of secondary circuit board, described second
The voltage output port of the other end of resistance and secondary circuit board is electrically connected, and the voltage output port of secondary circuit board also with main electricity
The voltage input port of road plate is electrically connected, and is fixedly installed with voltage detector on the main circuit board, and voltage detector
Voltage acquisition end and the voltage input port of main circuit board are electrically connected, and voltage detector is used for the input electricity on main circuit board
Pressure is measured in real time, and the output end of the voltage detector is electrically connected with the input terminal of synchronization module, the synchronization module
The first output end be electrically connected with the electrode input end of comparator U1 and one end of resistance R1, and the cathode input of comparator U1
End is electrically connected with Voltage Reference port, and the other end of the resistance R1 is electrically connected with the first triggering end of PLC control module
With the output end of comparator U1, and PLC control module is mounted on main circuit board, the first output end of the PLC control module
It is electrically connected with the pin 2 of relay Q1, and the second triggering end of the pin 3 of relay Q1 and PLC control module is electrically connected,
The pin 1 of the relay Q1 is electrically connected with the output end of comparator U2 and one end of resistance R2, and the cathode of comparator U2
Input terminal and Voltage Reference port are electrically connected, and the electrode input end of the comparator U2 is electrically connected with the other end of resistance R2
With the output end of time delay module, and the second output terminal of the input terminal of time delay module and synchronization module is electrically connected, PLC control
Second input terminal of molding block is electrically connected with the input terminal that motor is driven forward module, and motor is driven forward the output of module
End and the rotating forward control terminal of driving motor are electrically connected, and the reversion control terminal of the driving motor is electrically connected with motor reversal drive
The output end of dynamic model block, and the input terminal of motor reversal drive module and the third output end of PLC control module are electrically connected.
Preferably, a lateral roof of the shell is equipped with display module, and the input terminal of display module and PLC control mould
4th output end of block is electrically connected, the display module treated for showing PLC control module information.
Preferably, the synchronization module is for receiving the digital signal that voltage detector is exported, and synchronization module will connect
It the digital signal that receives while being sent on time delay module and comparator U1.
Preferably, the time delay module is for received digital signal to be delayed, after then time delay module will be delayed
Digital signal be sent on comparator U2.
Preferably, the side of the movable block offers sliding slot, and slidably connects on sliding slot and mutually weld with secondary circuit board
Sliding rail, through-hole is offered on the movable block, and the side wall of through-hole is equipped with the second rack gear being meshed with the first rack gear, institute
Stating the second rack gear and the first rack gear is arcuate structure.
Preferably, the lower section of the display module is equipped with operation button and the connecting terminal positioned at operation button side, and
Operation button and connecting terminal are installed on shell, the output end of the operation button and the input terminal electricity of PLC control module
Property connection.
Preferably, different Wiring port there are five being set on the connecting terminal, and PLC control module passes through five differences
Wiring port be electrically connected with corresponding pressure sensor, differential pressure pickup, flow sensor, servo valve and frequency converter.
Preferably, the PLC control module is also connected with neural drainage system, and neural drainage system include negtive-pressure implement and
Drainage tube, the pressure sensor and differential pressure pickup are arranged on negtive-pressure implement, and the flow sensor is arranged on drainage tube.
Preferably, the powering on property of voltage input port on the secondary circuit board is connected with power supply line, and one end of power supply line
The outside of shell is extended to, is offered on the shell and sets string holes with what power supply line matched.
Beneficial effects of the present invention:
1, pass through voltage detector, synchronization module, comparator U1, time delay module, comparator U2, relay Q1, PLC control
Module, motor are driven forward module, motor reversal drive module and driving motor and match, and voltage detector can be to main circuit
Voltage on plate is measured in real time, and PLC control module can carry out driving motor according to the testing result of voltage detector
It automatically controls；
2, pass through driving motor, the second circular gear, the first circular gear, shaft, mounting base, the first rack gear, movable block
It is matched with the sliding end of slide rheostat, driving motor drives the sliding end of slide rheostat to carry out position movement, makes winner
Input voltage on circuit board remains at setting voltage, ensure that the normal operation of PLC intelligent controlling device；
Economic use of the invention, when the voltage that PLC intelligent controlling device main body is accessed fluctuates, on main circuit board
It can be automatically adjusted to the voltage value of setting, ensure that the normal operation of PLC intelligent controlling device.
Detailed description of the invention
Fig. 1 is a kind of front sectional view of the PLC intelligent controlling device of neurosurgery drainage proposed by the present invention；
Fig. 2 is a kind of schematic view of the front view of the PLC intelligent controlling device of neurosurgery drainage proposed by the present invention；
Fig. 3 is a kind of partial structural diagram of the PLC intelligent controlling device of neurosurgery drainage proposed by the present invention；
Fig. 4 is a kind of working principle diagram of the PLC intelligent controlling device of neurosurgery drainage proposed by the present invention.
In figure: 1 shell, 2 main circuit boards, 3 secondary circuit boards, 4 first high pressure resistant resistance, 5 slide rheostats, 6 mounting bases, 7
It is shaft, 8 first rack gears, 9 movable blocks, 10 first circular gears, 11 second circular gears, 12 driving motors, 13 second high pressure resistant
Resistance, 14 voltage detectors, 15 PLC control modules, 16 display modules, 17 operation buttons, 18 connecting terminals, 19 synchronization modules,
20 time delay modules, 21 motors are driven forward module, 22 motor reversal drive modules.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment
With reference to Fig. 1-4, a kind of PLC intelligent controlling device of neurosurgery drainage, including PLC are proposed in the present embodiment
Intelligent controlling device main body, PLC intelligent controlling device main body includes shell 1, and the inside of shell 1 is equipped with 2 He of main circuit board
Secondary circuit board 3 positioned at 2 side of main circuit board, the voltage input port of secondary circuit board 3 are electrically connected with the first high pressure resistant resistance 4
One end, and the first high pressure resistant resistance 4 is welded on a side bottom of secondary circuit board 3, and the other end of the first high pressure resistant resistance 4 is electrical
It is connected with the sliding end of slide rheostat 5, and slide rheostat 5 is mounted on secondary circuit board 3, slide rheostat 5 is far from main electricity
The side of road plate 2 set there are two with secondary 3 phase of circuit board welding mounting base 6, and slide rheostat 5 far from main circuit board 2 one
Side is additionally provided with shaft 7, and shaft 7 and mounting base 6 are rotatablely installed, and the outside of shaft 7 is equipped be located between two mounting bases 6 first
Rack gear 8, and shaft 7 is equipped with movable block 9 by 8 screw thread of the first rack gear, movable block 9 and the sliding end of slide rheostat 5 are fixed
Installation, and movable block 9 is slidably installed with secondary circuit board 3, the outside fixing sleeve of shaft 7 is equipped with the first circular gear 10, and first
Circular gear 10 is located at the top of mounting base 6, and the first circular gear 10 is engaged with the second circular gear 11, and the second circular gear
11 top is welded with the output shaft of driving motor 12, and driving motor 12 is fixedly mounted on the inside of shell 1, slide rheostat 5
Fixing end be electrically connected with one end of the second high pressure resistant resistance 13, and the second high pressure resistant resistance 13 is welded on secondary circuit board 3
The voltage output port of one lateral roof, the other end of the second high pressure resistant resistance 13 and secondary circuit board 3 is electrically connected, and secondary circuit board
3 voltage output port is also electrically connected with the voltage input port of main circuit board 2, is fixedly installed with voltage on main circuit board 2
Detector 14, and the voltage acquisition end of voltage detector 14 and the voltage input port of main circuit board 2 are electrically connected, voltage detecting
For being measured in real time to the input voltage on main circuit board 2, the output end of voltage detector 14 is electrically connected with together device 14
The input terminal of module 19 is walked, the first output end of synchronization module 19 is electrically connected with the electrode input end and resistance R1 of comparator U1
One end, and the negative input of comparator U1 is electrically connected with Voltage Reference port, and the other end of resistance R1 is electrically connected with
First triggering end of PLC control module 15 and the output end of comparator U1, and PLC control module 15 is mounted on main circuit board 2,
First output end of PLC control module 15 is electrically connected with the pin 2 of relay Q1, and the pin 3 of relay Q1 and PLC are controlled
Second triggering end of module 15 is electrically connected, and the pin 1 of relay Q1 is electrically connected with the output end and resistance R2 of comparator U2
One end, and the negative input of comparator U2 and Voltage Reference port are electrically connected, and the electrode input end of comparator U2 is electrical
It is connected with the other end of resistance R2 and the output end of time delay module 20, and the of the input terminal of time delay module 20 and synchronization module 19
Two output ends are electrically connected, and the second input terminal of PLC control module 15 is electrically connected with the input that motor is driven forward module 21
End, and motor is driven forward the rotating forward control terminal electric connection of the output end and driving motor 12 of module 21, driving motor 12
Reversion control terminal is electrically connected with the output end of motor reversal drive module 22, and the input terminal of motor reversal drive module 22 with
The third output end of PLC control module 15 is electrically connected, and passes through voltage detector 14, synchronization module 19, comparator U1, delay mould
Block 20, comparator U2, relay Q1, PLC control module 15, motor are driven forward module 21,22 and of motor reversal drive module
Driving motor 12 matches, and voltage detector 14 can be measured in real time the voltage on main circuit board 2, PLC control module
15 can carry out automatically controlling driving motor 12 according to the testing result of voltage detector 14, pass through driving motor 12, second
The sliding of circular gear 11, the first circular gear 10, shaft 7, mounting base 6, the first rack gear 8, movable block 9 and slide rheostat 5
End matches, and driving motor 12 drives the sliding end of slide rheostat 5 to carry out position movement, so that the input on main circuit board 2
Voltage remains at setting voltage, ensure that the normal operation of PLC intelligent controlling device, and the present invention is economical to be used, when PLC intelligence
When can control the voltage that apparatus main body is accessed and fluctuating, it can be automatically adjusted to the voltage value of setting on main circuit board 2, protect
The normal operation of PLC intelligent controlling device is demonstrate,proved.
In the present embodiment, a lateral roof of shell 1 is equipped with display module 16, and the input terminal and PLC of display module 16
4th output end of control module 15 is electrically connected, treated for showing PLC control module 15 information of display module 16, together
Step module 19 is for receiving the digital signal that voltage detector 14 is exported, and synchronization module 19 is same by the digital signal received
When be sent on time delay module 20 and comparator U1, then time delay module 20 prolongs for received digital signal to be delayed
When module 20 send the digital signal after delay on comparator U2, the side of movable block 9 offers sliding slot, and sliding on sliding slot
The dynamic sliding rail being connected with secondary 3 phase of circuit board welding, offers through-hole on movable block 9, and the side wall of through-hole equipped with and first
The second rack gear that rack gear 8 is meshed, the second rack gear and the first rack gear 8 are arcuate structure, and the lower section of display module 16 is equipped with behaviour
Make key 17 and the connecting terminal 18 positioned at 17 side of operation button, and operation button 17 and connecting terminal 18 are installed in shell
On 1, the input terminal of the output end of operation button 17 and PLC control module 15 is electrically connected, and sets that there are five not on connecting terminal 18
With Wiring port, and PLC control module 15 by five different Wiring ports be electrically connected with corresponding pressure sensor,
Differential pressure pickup, flow sensor, servo valve and frequency converter, PLC control module 15 are also connected with neural drainage system, and nerve
Drainage system includes negtive-pressure implement and drainage tube, and pressure sensor and differential pressure pickup are arranged on negtive-pressure implement, and flow sensor is set
It sets on drainage tube, the powering on property of voltage input port on secondary circuit board 3 is connected with power supply line, and one end of power supply line extends to
The outside of shell 1 offers on shell 1 and sets string holes with what power supply line matched, by voltage detector 14, synchronization module 19,
Comparator U1, time delay module 20, comparator U2, relay Q1, PLC control module 15, motor forward drive module 21, motor are anti-
Turn drive module 22 and driving motor 12 matches, voltage detector 14 can examine the voltage on main circuit board 2 in real time
It surveys, PLC control module 15 can carry out automatically controlling driving motor 12 according to the testing result of voltage detector 14, pass through drive
Dynamic motor 12, the second circular gear 11, the first circular gear 10, shaft 7, mounting base 6, the first rack gear 8, movable block 9 and sliding
The sliding end of rheostat 5 matches, and driving motor 12 drives the sliding end of slide rheostat 5 to carry out position movement, keeps winner electric
Input voltage on road plate 2 remains at setting voltage, ensure that the normal operation of PLC intelligent controlling device, present invention warp
Ji uses, and when the voltage that PLC intelligent controlling device main body is accessed fluctuates, can be automatically adjusted on main circuit board 2
The voltage value of setting ensure that the normal operation of PLC intelligent controlling device.
In the present embodiment, voltage detector 14 can be measured in real time the input voltage on main circuit board 2, and voltage
The result that detector 14 will test is sent on synchronization module 19 with digital signal, and synchronization module 19 is by received digital signal one
Aspect is sent on comparator U1, and received digital signal is compared by comparator U1 with the voltage value of Voltage Reference port,
If comparator U1 received digital signal is identical as the voltage value of Voltage Reference port, the output end of comparator U1 is not right
First triggering end of PLC control module 15 is triggered, and relay Q1 is remained open at this time；Otherwise the output end pair of comparator U1
First triggering end of PLC control module 15 is triggered, and the first output end control relay Q1 of PLC control module 15 is led
Logical, when synchronization module 19 sends digital signal to comparator U1, on the other hand synchronization module 19 is also sent to time delay module 20
Digital signal, time delay module 20 carries out delay process to received digital signal, and time delay module 20 is by the number after delay process
Word signal is sent on comparator U2, and comparator U2 compares received digital signal and the voltage value of Voltage Reference port
Compared with, if comparator U2 received digital signal is bigger than the voltage value of Voltage Reference port, comparator U2 can export high level,
Comparator U2 carries out high level triggering to the second triggering end of PLC control module 15, and PLC control module 15 is rotated forward by motor and driven
Dynamic model block 21 controls driving motor 12 and is rotated forward, and driving motor 12 drives the second circular gear 11 to be rotated forward, due to second
Circular gear 11 and the first circular gear 10 are meshed, and the second circular gear 11 drives shaft 7 to be rotated in mounting base 6,
Since the first rack gear 8 on movable block 9 and shaft 7 carries out screw thread installation, shaft 7 drives movable block 9 to carry out on secondary circuit board 3
Sliding, movable block 9 drives the sliding end on slide rheostat 5 to carry out position movement, so that slide rheostat 5 accesses the electricity of circuit
Resistance becomes larger, and then the voltage that slide rheostat 5 is got becomes larger, until the voltage and voltage that main circuit board 2 is inputted are joined
The voltage value for examining port is identical, and the output end of comparator U1 cancels the triggering to the first triggering end of PLC control module 15, PLC
Control module 15 controls relay Q1 and restores off-state, and the pause of driving motor 12 rotates forward, if the received number of comparator U2 institute
Word signal is smaller than the voltage value of Voltage Reference port, and comparator U2 can export low level, and comparator U2 is to PLC control module 15
Second triggering end carry out low level triggering, PLC control module 15 by motor reversal drive module 22 control driving motor 12 into
Row reversion, driving motor 12 drives the second circular gear 11 to be inverted, due to the second circular gear 11 and the first circular gear
10 are meshed, and the second circular gear 11 drives shaft 7 to be rotated in mounting base 6, due to the in movable block 9 and shaft 7
One rack gear 8 carries out screw thread installation, and shaft 7 drives movable block 9 to be slided on secondary circuit board 3, and movable block 9 drives sliding variable resistance
Sliding end on device 5 carries out position movement, so that the resistance that slide rheostat 5 accesses circuit gradually becomes smaller, and then slides variable resistance
The voltage that device 5 is got becomes smaller, and until the voltage that main circuit board 2 is inputted is identical as the voltage value of Voltage Reference port, compares
The output end of device U1 cancels the triggering to 15 pieces of mould of PLC control of the first triggering end, and it is extensive that PLC control module 15 controls relay Q1
Multiple off-state, the pause reversion of driving motor 12 allow the input voltage accessed on main circuit board 2 to be automatically adjusted to set
Fixed voltage value ensure that the normal operation of PLC intelligent controlling device main body.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of PLC intelligent controlling device of neurosurgery drainage, including PLC intelligent controlling device main body, the PLC intelligence
Control device main body includes shell (1), and the inside of shell (1) is equipped with main circuit board (2) and is located at main circuit board (2) side
Secondary circuit board (3), which is characterized in that it is described pair circuit board (3) voltage input port be electrically connected with the first high pressure resistant electricity
The one end of (4) is hindered, and the first high pressure resistant resistance (4) is welded on a side bottom of secondary circuit board (3), the first high pressure resistant resistance
(4) the other end is electrically connected with the sliding end of slide rheostat (5), and slide rheostat (5) is mounted on secondary circuit board (3)
On, the slide rheostat (5) sets that there are two the mounting bases mutually welded with secondary circuit board (3) far from the side of main circuit board (2)
(6), and slide rheostat (5) is additionally provided with shaft (7) far from the side of main circuit board (2), the shaft (7) and mounting base (6)
Rotational installation, the outside of the shaft (7) is equipped with the first rack gear (8) being located between two mounting bases (6), and shaft (7) is logical
It crosses the first rack gear (8) screw thread to be equipped with movable block (9), the sliding end of the movable block (9) and slide rheostat (5) is fixed to pacify
Dress, and movable block (9) is slidably installed with secondary circuit board (3), the outside fixing sleeve of the shaft (7) is equipped with the first circular gear
(10), and the first circular gear (10) is located at the top of mounting base (6), and first circular gear (10) is engaged with the second circle
Gear (11), and the output shaft of driving motor (12) is welded at the top of the second circular gear (11), the driving motor (12)
It is fixedly mounted on the inside of shell (1), the fixing end of the slide rheostat (5) is electrically connected with the second high pressure resistant resistance (13)
One end, and the second high pressure resistant resistance (13) is welded on a lateral roof of secondary circuit board (3), the second high pressure resistant resistance (13)
The other end and the voltage output port of secondary circuit board (3) be electrically connected, and the voltage output port of secondary circuit board (3) also with master
The voltage input port of circuit board (2) is electrically connected, and is fixedly installed with voltage detector (14) on the main circuit board (2), and
The voltage acquisition end of voltage detector (14) and the voltage input port of main circuit board (2) are electrically connected, the voltage detector
(14) output end is electrically connected with the input terminal of synchronization module (19), and the first output end of the synchronization module (19) electrically connects
It is connected to the electrode input end of comparator U1 and one end of resistance R1, and the negative input of comparator U1 is electrically connected with voltage ginseng
Examine port, the other end of the resistance R1 be electrically connected with PLC control module (15) the first triggering end and comparator U1 it is defeated
Outlet, and PLC control module (15) is mounted on main circuit board (2), the first output end of the PLC control module (15) is electrical
It is connected with the pin 2 of relay Q1, and the second triggering end of the pin 3 of relay Q1 and PLC control module (15) is electrically connected,
The pin 1 of the relay Q1 is electrically connected with the output end of comparator U2 and one end of resistance R2, and the cathode of comparator U2
Input terminal and Voltage Reference port are electrically connected, and the electrode input end of the comparator U2 is electrically connected with the other end of resistance R2
With the output end of time delay module (20), and the input terminal of time delay module (20) and the second output terminal of synchronization module (19) electrically connect
It connects, the second input terminal of the PLC control module (15) is electrically connected with the input terminal that motor is driven forward module (21), and electricity
Machine is driven forward the output end of module (21) and the rotating forward control terminal of driving motor (12) is electrically connected, the driving motor (12)
Reversion control terminal be electrically connected with the output ends of motor reversal drive module (22), and motor reversal drive module (22) is defeated
The third output end for entering end and PLC control module (15) is electrically connected.
2. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 1, which is characterized in that described
One lateral roof of shell (1) is equipped with display module (16), and the input terminal of display module (16) and PLC control module (15)
4th output end is electrically connected, the display module (16) treated for showing PLC control module (15) information.
3. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 1, which is characterized in that described
Synchronization module (19) is for receiving the digital signal that voltage detector (14) is exported, and the number that synchronization module (19) will receive
Word signal is sent to simultaneously on time delay module (20) and comparator U1.
4. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 1, which is characterized in that described
Time delay module (20) is for received digital signal to be delayed, and then time delay module (20) sends out the digital signal after delay
It is sent on comparator U2.
5. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 1, which is characterized in that described
The side of movable block (9) offers sliding slot, and the sliding rail mutually welded with secondary circuit board (3), the work are slidably connected on sliding slot
Offer through-hole on motion block (9), and the side wall of through-hole is equipped with the second rack gear being meshed with the first rack gear (8), described second
Rack gear and the first rack gear (8) are arcuate structure.
6. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 2, which is characterized in that described
The lower section of display module (16) is equipped with operation button (17) and is located at the connecting terminal (18) of operation button (17) side, and operates
Key (17) and connecting terminal (18) are installed on shell (1), the output end and PLC control module of the operation button (17)
(15) input terminal is electrically connected.
7. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 6, which is characterized in that described
Different Wiring port there are five being set on connecting terminal (18), and PLC control module (15) passes through five different Wiring ports
It is electrically connected with corresponding pressure sensor, differential pressure pickup, flow sensor, servo valve and frequency converter.
8. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 7, which is characterized in that described
PLC control module (15) is also connected with neural drainage system, and neural drainage system includes negtive-pressure implement and drainage tube, the pressure
Sensor and differential pressure pickup are arranged on negtive-pressure implement, and the flow sensor is arranged on drainage tube.
9. a kind of PLC intelligent controlling device of neurosurgery drainage according to claim 1, which is characterized in that described
Powering on property of voltage input port on secondary circuit board (3) is connected with power supply line, and one end of power supply line extends to the outer of shell (1)
Side offers on the shell (1) and sets string holes with what power supply line matched.
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| CN201711179931.2A CN107703879B (en) | 2017-11-23 | 2017-11-23 | A kind of PLC intelligent controlling device of neurosurgery drainage |
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| CN201711179931.2A CN107703879B (en) | 2017-11-23 | 2017-11-23 | A kind of PLC intelligent controlling device of neurosurgery drainage |
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| CN107703879B true CN107703879B (en) | 2019-11-05 |
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| CN2142980Y (en) * | 1992-06-08 | 1993-09-29 | 苏州起重电器厂 | Current-stabilized output power-supply for electric checking |
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| CN101753020A (en) * | 2008-12-02 | 2010-06-23 | 富士通微电子株式会社 | Output voltage controller, electronic device, and output voltage control method |
| CN104826218A (en) * | 2015-05-12 | 2015-08-12 | 徐明哲 | Novel PLC (Programmable Logic Controller) automatic control device for neurosurgery drainage |
| CN106039439A (en) * | 2016-07-05 | 2016-10-26 | 张波 | Novel PLC (programmable logic controller) automatic control device for neurosurgical drainage |
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2017
- 2017-11-23 CN CN201711179931.2A patent/CN107703879B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2142980Y (en) * | 1992-06-08 | 1993-09-29 | 苏州起重电器厂 | Current-stabilized output power-supply for electric checking |
| CN101755382A (en) * | 2007-11-30 | 2010-06-23 | 科索株式会社 | Switching power supply and driving method for the same |
| CN101753020A (en) * | 2008-12-02 | 2010-06-23 | 富士通微电子株式会社 | Output voltage controller, electronic device, and output voltage control method |
| CN104826218A (en) * | 2015-05-12 | 2015-08-12 | 徐明哲 | Novel PLC (Programmable Logic Controller) automatic control device for neurosurgery drainage |
| CN106039439A (en) * | 2016-07-05 | 2016-10-26 | 张波 | Novel PLC (programmable logic controller) automatic control device for neurosurgical drainage |
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| CN107703879A (en) | 2018-02-16 |
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