CN107877355A - A kind of highly reliable grinder closes down control device and its method - Google Patents
A kind of highly reliable grinder closes down control device and its method Download PDFInfo
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- CN107877355A CN107877355A CN201711377317.7A CN201711377317A CN107877355A CN 107877355 A CN107877355 A CN 107877355A CN 201711377317 A CN201711377317 A CN 201711377317A CN 107877355 A CN107877355 A CN 107877355A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 claims abstract description 39
- 239000010453 quartz Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims description 89
- 238000001514 detection method Methods 0.000 claims description 27
- 230000002159 abnormal effect Effects 0.000 claims description 26
- 230000003111 delayed effect Effects 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 description 10
- 230000015556 catabolic process Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004821 Contact adhesive Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
- B24B37/013—Devices or means for detecting lapping completion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/10—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving electrical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of highly reliable grinder to close down control device, including Frequency Measurement System grinder control circuit module, connector, the grinder of two series connection close down controller, grinder；The Frequency Measurement System control circuit module is closed down controller with the grinder of two series connection and is connected by connector, and the grinder closes down controller with two grinders connected and passes through electric connection；It is solid-state relay or photoelectrical coupler that the grinder, which closes down controller,；The Frequency Measurement System control circuit module includes grinder control output selftest module, grinder control selftest module and closes down grinder control module；The invention provides a kind of reliability high, simple and reasonable, easy to make, based on two-way control and with self-checking function the control device and its method that are applied to quartz wafer and grind online Frequency Measurement System and close down grinder.
Description
Technical field
The present invention relates to control device field, more specifically, it relates to which a kind of highly reliable grinder closes down control dress
Put and its method.
Background technology
The frequency grinding of quartz wafer is the important procedure in quartz crystal oscillator production process, and chip is cut by grinder
Cut down thin.At present, the commercial online Frequency Measurement System of in the market（Such as the online frequency monitoring instrument of TRANSAT companies of U.S. ALC）Pass through
The resonant frequency of dynamic measurement chip is surveyed so as to the thickness of real-time monitor wafer when wafer thickness reaches preset value in line frequency
Signal is closed down in the transmission of amount system shuts down grinder.
At present, online Frequency Measurement System controls grinder by a photoelectrical coupler or a solid-state relay in factory
Close down, when the photoelectrical coupler during grinding quartz crystal wafers or solid-state relay break down, current Frequency Measurement System without
Method detects device failure, thus very likely causes the overclocking accident of whole disk chip；Simultaneously when grinder closes down control
Line processed is not connected or during loose contact, and current Frequency Measurement System can not equally detect that control line is not connected or loose contact
The problem of, equally this very likely causes the overclocking accident to whole disk chip.
It is related to other grinder TT＆C systems of thickness cutting for magnetic links, potsherd and sapphire etc., there is also phase
Same risk hidden danger.It is anxious as current Precision Machining field requires to improve constantly to production efficiency, qualification rate and automaticity
A kind of highly reliable grinder is needed to close down control device and its method.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of reliability is high, it is simple and reasonable, easy to make,
Controlled based on two-way and the quartz wafer that is applied to self-checking function grinds the control device that online Frequency Measurement System closes down grinder
And its method.
In order to solve the above-mentioned technical problem, technical scheme is as follows：
A kind of highly reliable grinder closes down control device, including Frequency Measurement System grinder control circuit module, connector, two
The grinder of series connection closes down controller, grinder；The Frequency Measurement System control circuit module is closed down with two grinders connected
Controller is connected by connector, and the grinder closes down controller with two grinders connected and passes through electric connection；It is described
It is solid-state relay or photoelectrical coupler that grinder, which closes down controller,；The Frequency Measurement System control circuit module includes grinder control
System output selftest module, grinder control selftest module and close down grinder control module；It is described to close down grinder control module
Communication is controlled by triode with grinder control selftest module, the communication control is to close down grinder control module
Low level is exported in I/O port after ON operation, the optocoupler conducting for controlling I/O port so that the B poles of triode generate a low tension
Value, so as to turn-on transistor so that the incoming level of the I/O port of grinder control selftest module switchs to low level by high level, from
And judge the situation of control circuit；Set and go here and there between grinder control output selftest module and grinder the control selftest module
The mark lamp of connection and the first current-limiting resistance, the mark lamp is LED in parallel and external indicator lamp, to display circuit
Situation.
Further, the connector is serial ports pin using DB9.
Further, the grinder of one series connection closes down controller and 1 and 9 pins of connector connect, as defeated
Outlet；The grinder of another series connection closes down controller and 2 and 8 pins of connector connect, as delivery outlet.
Further, the grinder control output selftest module is provided with drop-down electricity with grinder control module is closed down
Resistance, to uncertain signal clamper in low level, the balance of holding driving force and power consumption.
Further, the pull down resistor uses 10K ohms.
Further, the output current of the self-inspection control device is controlled 10 to 12mA.
A kind of method that highly reliable grinder closes down control device, including startup self-detection detecting step, grinding job step
Suddenly, the detecting step of grinder control loop function and online frequency measurement step；
Startup self-detection detecting step comprises the following steps that：
101）Grinder control self-test output port 1 exports low level, the conducting of the repeat circuit of self-test output circuit module 1, grinding
Machine control self-test output port 2 exports low level, the conducting of the repeat circuit of self-test output circuit module 2；
102）Grinder stops control port 1 and exports high level, and the optocoupler of grinder stopping control circuit module 1 is not turned on, and grinds
Machine stops control port 2 and exports high level, and the optocoupler of grinder stopping control circuit module 2 is not turned on；
103）Be delayed 100ms, and waiting signal is stable；
104）The level of grinder control self-test input port 1 is read, is designated as Flag11, reads grinder control self-test input port
2 level, are designated as Flag12；
105）Be delayed 100ms, is eliminated for signal interference；
106）The level of grinder control self-test input port 1 is again read off, is designated as Flag21, again reads off grinder control self-test
The level of input port 2, is designated as Flag22；
107）Judge whether Flag11 is equal to Flag21, and whether value is true；Judge whether Flag12 is equal to Flag22, and value is
No is true；
108）If meet step 107）Its value of the condition is true, then grinder control port 1 exports low level, grinder control
Port 2 processed exports low level.Judge whether Flag11 is not true equal to Flag21, then fail self-test, touch-screen grinder control
Circuit module 1 damages.Judge whether Flag12 is not true equal to Flag22, then fail self-test, touch-screen prompting grinder control
Circuit module 2 damages.
109）Meet step 107）On the premise of its value of the condition is true, be delayed 100ms, and waiting signal is stable；
110）In step 109）The level of grinder control self-test input port 1 is read afterwards, is designated as Flag31；Read grinder control
The level of self-test input port 1, is designated as Flag32；
111）In step 110）After be delayed 100ms, eliminated for signal interference；
112）The level of grinder control self-test input port 1 is again read off, is designated as Flag41；Again read off grinder control self-test
The level of input port 2, is designated as Flag42；
113）Judge whether Flag31 is equal to Flag41, and whether value is true；Judge whether Flag32 is equal to Flag42, and value is
No is true；
114）If meet step 113）The condition is set up, then self-test success, frequency meter grinder control module energy normal work；
Otherwise fail self-test, judge whether Flag31 is not true equal to Flag41, then touch-screen prompting grinder control module 1 is damaged；
If whether only Flag32 is not true equal to Flag42, touch-screen prompting grinder control module 2 is damaged；
Frequency meter main interface " grinding " button is pressed, start grinding before and quartz wafer be ground to up to target frequency shut down when, it is right
The detecting step of grinder control loop function is the same, and it is comprised the following steps that：
201）Grinder stops control port 1 and exports high level, and grinder stops the optocoupler of control module 1 and is not turned on；Grinder stops
Only control port 2 exports high level, and grinder stops the optocoupler of control module 2 and is not turned on；
202）Be delayed 100ms, and waiting signal is stable；
203）The level of grinder control self-test input port 1 is read, is designated as Flag11；Read grinder control self-test input port
2 level, are designated as Flag12；
204）Be delayed 100ms, is eliminated for signal interference；
205）The level of grinder control self-test input port 1 is again read off, is designated as Flag21；Again read off grinder control self-test
The level of input port 2, is designated as Flag22；
206）Judge whether Flag11 is equal to Flag21, and whether value is true；Judge whether Flag12 is equal to Flag22, and value is
No is true；
207）If meet step 206）All conditions are set up and are true, then grinder control port 1 exports low level；Then grind
Machine control port 2 exports low level；If judging whether Flag11 is equal to Flag21, to be untrue, then grinder control loop 1 is being not just
Often, touch-screen prompting is abnormal；Whether a such as Flag12 is equal to Flag22, and to be untrue, then grinder control loop 2 is abnormal, touches
It is abnormal to touch screen prompting；
208）If meet step 206）All conditions are set up and are true, and be delayed 100ms, and waiting signal is stable；
209）In step 208）Afterwards, the level of grinder control self-test input port 1 is read, is designated as Flag31；Read grinder control
The level of self-test input port 2 processed, is designated as Flag32；
210）In step 209）Afterwards, be delayed 100ms, is eliminated for signal interference；
211）In step 210）Afterwards, the level of grinder control self-test input port 1 is again read off, Flag41 is designated as, again reads off
The level of grinder control self-test input port 2, is designated as Flag42；
212）Judge whether Flag31 is equal to Flag41, and whether value is true；Judge whether Flag32 is equal to Flag42, and value is
No is true；
213）If meet step 212）All conditions are set up and are true, then grinder control loop is normal；If judge Flag31
Whether Flag41 is equal to, to be untrue, then grinder control loop 1 is abnormal, and touch-screen prompting is abnormal；Such as whether a Flag32
In Flag42, to be untrue, then grinder control loop 2 is abnormal, and touch-screen prompting is abnormal；
Online frequency measurement step, is comprised the following steps that：
301）Judge the detection of grinder control line whether was carried out in process of lapping；
302）If meet step 301）The condition, then line detection is no longer controlled during this online frequency measurement；It is if discontented
Sufficient step 301）The condition, then it is 1 by grinder control line detection mark position in process of lapping, carries out step 303）Behaviour
Make；
303）Judge whether current quartz wafer frequency exceedes the 60% of grinding frequency and do not arrive target frequency；
304）If meet step 303）Condition, then read the level of grinder control self-test input port 1, as Flag1, and reading is ground
The level of grinding machine control self-test input port 2, as Flag2；If it is unsatisfactory for step 303）The condition, then this online frequency measurement
Line detection is no longer controlled in journey；
305）If Flag1 is 1, system running state is arranged to the exception of grinder control loop 1, will if Flag2 is 1
System running state is arranged to the exception of grinder control loop 2, and frequency meter buzzer warning, touch-screen prompting is abnormal, grinds simultaneously
Grinding machine control port sends shutdown pulse signal；If Flag1 and Flag2 are 0, detection of end flow, grinder controls back
Road is normal.
Advantage is the present invention compared with prior art：The device of the present invention is in process of lapping, as long as following situation is wherein
One of occur, grinder all by stop grind, be automatically turned off：Grinder control module component wear, grinder inside frequency meter
Control not connected line, the damage of outer abrasive machine control module or the damage of interface module or controlled molding in process of lapping
Block comes off.
The present invention, so will be can not by controlling the photoelectrical couplers of two series connection and the solid-state relays of two series connection
The probability of shutdown is reduced to extremely low.I.e. on the board controlled with photoelectrical coupler, the optocoupler of two series connection is controlled respectively, solid
The solid-state relay of two series connection is controlled on the board of state Control respectively.
The present invention by system boot self-test, start grinding when grinder control loop detect, grinder in process of lapping
The detection of grinder control loop, can effectively be prevented in process of lapping due to frequency measurement when control loop detects and is ground to target frequency
Overclocking problem caused by the damage of instrument internal module, external cabling, external control element damage problem.Process of lapping can effectively be prevented
In due to the damage of online Frequency Measurement System internal module, grinder control system failure or cause overclocking thing the problems such as external cabling
Therefore.
Brief description of the drawings
Fig. 1 is the structural representation of the inline solid state relay of control device of the present invention；
Fig. 2 is the structural representation of the series connection photoelectrical coupler of control device of the present invention；
Fig. 3 is the internal structure schematic diagram of the solid-state relay of control device of the present invention；
Fig. 4 is the internal structure schematic diagram of the series connection photoelectrical coupler of control device of the present invention；
Fig. 5 is the structural representation of the control circuit of control device of the present invention；
Fig. 6 is the old edition electrical block diagram of control device of the present invention；
Fig. 7 is the startup self-detection flow chart of the grinder control module of control device of the present invention；
Fig. 8 is the grinder control loop self-test flow chart of control device of the present invention；
Fig. 9 is grinder control loop overhaul flow chart during the online frequency measurement of control device of the present invention.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 4, a kind of highly reliable grinder closes down control device, including the control of Frequency Measurement System grinder
Circuit module, connector, the grinder of two series connection close down controller, grinder.The Frequency Measurement System grinder control circuit
Module is closed down controller with the grinder of two series connection and is connected by connector.This is allowed for when during grinding quartz crystal wafers
When photoelectrical coupler or solid-state relay break down, there is the overclocking accident for causing whole disk chip in energy double shield, reduction
Possibility；Simultaneously when grinder closes down not connected control line or loose contact, it also can timely detect in place, effectively avoid
Cause the generation of the overclocking accident of whole disk chip.The connector uses DB9 interfaces.The grinder of one series connection is closed down
1 and 9 pins of controller and connector connect, as delivery outlet；The grinder of another series connection closes down controller and connector
2 connected with 8 pins, as delivery outlet.The grinder closes down controller with two grinders connected and passes through electric connection.
It is solid-state relay or photoelectrical coupler that the grinder, which closes down controller,.The Frequency Measurement System grinder control circuit module bag
Include grinder control output selftest module, grinder control selftest module and close down grinder control module；It is described to close down grinding
Machine control module is controlled communication with grinder control selftest module by triode, and the communication control is to stop control
Low level is exported in I/O port after module ON operation, the optocoupler conducting for controlling I/O port so that the B poles generation one of triode is low
Piezoelectricity value, so as to turn-on transistor so that the incoming level of the I/O port of grinder control selftest module switchs to low electricity by high level
It is flat, so as to judge the situation of control circuit.Between grinder control output selftest module and grinder the control selftest module
The mark lamp and the first current-limiting resistance of series connection are set, and first current-limiting resistance uses 600 to 720 ohm.The grinder control
System output selftest module and close down grinder control module and be provided with pull down resistor, to uncertain signal clamper in low electricity
It is flat, keep the balance of driving force and power consumption.The pull down resistor uses 10K ohms.The mark lamp for LED in parallel and
External indicator lamp, to the situation of display circuit.The output current of the whole self-checking unit is controlled 10 to 12mA.
Specific Frequency Measurement System start grinder control circuit module self-test embodiment, as shown in figure 5, being connected with the R24 left sides
That connect is the MCU of grinder control output selftest module（Micro-control unit）I/O port, UOUT2 is external extraneous driving port
DB9, UOUT2 1 pin are that action+1,9 pin of output are action output -1.P6 and LED D10 form parallel connection, are external instructions
Lamp, to show the situation of Frequency Measurement System self-test, and internal circuit whether normal work.U8 output connects R28 pull-up resistors
To the I/O port of the MCU ports of grinder control selftest module, it is the MCU for closing down grinder control module to be connected with the R37 left sides
I/O port.Whole control circuit, mainly control three loads by the break-make of control Q9 triodes：UOUT2, D10 are (in parallel
P6), U8, hardware check function is started with this.
When whole instrument switches on power, the MCU of modules starts working, and self-test starts to start, grinder control output
The MCU of selftest module I/O port output low level, the left side conducting of U6 optocouplers, the right conducting of subsequent optocoupler, 12.4V pass through
R22 is connected to Q6 triode B poles, and now Q6 triode ONs, relay JDQ3 coil are powered therewith, then allows relay again
Normally opened contact adhesive, 12.4V is connected on the node of action output -1.
Then the MCU of grinder control module I/O port output low level is closed down, the left side of U10 optocouplers turns on, next
It is also switched on the right of optocoupler, 12.4V is connected to Q9 triode B poles by R35, and Q9 triode ONs, what is then turned on is exactly three
Individual load, the left side of U8 optocouplers first turn on, then the right conducting of optocoupler.The right 3.3V of the optocoupler is connect by R28 resistance
To ground.When the incoming level of the I/O port of the MCU ports of now grinder control selftest module is not turned on by original U2 optocouplers
High level become turn to low level.Such condition adjudgement control circuit is normal.Otherwise alarm is sent, circuit itself is asked
Topic, the MCU of grinder control output selftest module I/O port recover high level, close down the MCU of grinder control module I/O port
Recover high level.
Circuit right-hand component is as the function of left-hand component, and the present embodiment is mainly by the use of 1 and the 9 as wherein one of DB9
Individual delivery outlet,, so will be can not shut down to control the backend loads of two series connection respectively by the use of 2 and 8 as another delivery outlet
Probability be reduced to it is extremely low.Wherein R26, R39 are 10K pull down resistors, and R31 is 680 current-limiting resistances, and R20 is 10 current-limiting resistances.Electricity
The output current on road is 11.2mA.
Frequency Measurement System grinder control loop self-test embodiment, normally starts instrument, sequences chip, put down upper millstone, accurate
Standby grinding, the MCU of grinder control module I/O port output low level is closed down, the left side of U10 optocouplers turns on, following optocoupler
The right turns on, and 12.4V is connected to Q9 triode B poles by R35, turns on Q9 triodes.
If the DB9 of DB9 port and outside grinder is normally connected, and the chip normal work inside grinder
Under conditions of, after Q9 conductings, the load of Q9 controls, which will all be powered, to be turned on.That is the optocoupler left side conducting of U8, the right side of such U8 optocouplers
While it is also switched on, when the incoming level of the I/O port of the MCU ports of grinder control selftest module is not turned on by original U8 optocouplers
High level become turn to low level；So connection is normal, and component is normal, can start to grind.
On if DB9 were not connected, the input of the I/O port of the MCU ports of grinder control selftest module in above-mentioned flow
Level, low level will not be changed into from high level, so as to touch-screen prompting " control port connection is abnormal ".
If in DB9 connection, the input electricity of the I/O port of the MCU ports of grinder control selftest module in above-mentioned flow
It is flat, it is not changed into low level from high level, that chip being possible to inside grinder may damage or grinder internal control
Circuit is damaged, and grinder will not be activated.
When machine starts normally to grind, a hardware check can be started in process of lapping, predominantly detect grinder control
Whether loop is normal, and specific implementation is to read the level of grinder control self-test input port 1 and grinder control self-test input
2 level of mouth, if two level values are all 0, that circuit is normal.If any one level value read is 1, represent
One of circuit is broken, and grinding will be just stopped, and warning is prompted on touch-screen.
When process of lapping has no problem, but grinder closes down controller（Solid-state relay or photoelectrical coupler）Grinding
During damage, and grinder closes down the breakdown short circuit of pin that controller connects with grinder, now if only one is solid
On grinder station, this grinder is not monitored instrument shutdown control for state relay or a photoelectrical coupler, and
And the state normally ground can be had been at, even if instrument alarm exceedes grinding frequency, when waiting the operating personnel to find again by
When " urgent pause " button of lower grinder, the inevitable overclocking of chip.
It is that grinder closes down controller and the pin of monitoring instrument is breakdown to have a kind of situation again, the switch control of grinder
And not by instrument controlling, it is difficult to carry out being effectively protected machine.
But the present embodiment closes down controller using two grinders, a grinder closes down controller and grinding wherein
It is uncontrolled all the way in the case of the breakdown short circuit of pin of machine connection, but another way and grinder switching on and shutting down block coupled in series,
It equally can normally stop grinder.
Another situation is that the pin of grinder switching on and shutting down module and monitoring instrument is breakdown, and damage is to control all the way
System, but also have the orderly closedown for ensureing grinder all the way in addition, play a very good protection.
Emergency case, which also includes grinder, closes down the pin that controller connect with grinder and damages and breaking, such grinder
To directly it shut down.Or grinder closes down controller and monitoring instrument pin damages and breaking, so single control module
It is uncontrollable grinder orderly closedown, but also having can normally stop all the way.
So close down controller in grinder（Solid-state relay and photoelectrical coupler）In the case of damage, the present invention is used
Scheme, the probability of grinder orderly closedown can be greatly improved, greatly reduce grinder and close down controller（Solid-state relay
And photoelectrical coupler）Overclocking accident caused by damage.
As shown in fig. 6, the equipment circuit designed in the past can normal output driving load, itself circuit can also be detected
Quality, but cannot judge whether external loading is normal, it is not possible to detect whether external loading comes off.As shown in figure 3,
1 pin that UOUT1 is external extraneous driving port DB9, UOUT1 is to export just, and 9 pin are that output is negative.P4 and LED is in parallel, is outer
The indicator lamp connect.U2 output connects R4 pull-up resistors to the I/O port of the MCU ports of control selftest module, is connected with the R14 left sides
Thing stops the MCU of control module I/O port.Switch on power, the MCU of each module starts self-test work, stops the MCU of control module
I/O port output low level, the left side conducting of U4 optocouplers, the right conducting of following optocoupler, 12.4V is connected to the poles of Q3 tri- by R12
Pipe B poles, Q3 triodes are turned on, next turn on the left side of U2 optocouplers, then the right conducting of optocoupler, the right 3.3V of optocoupler lead to
Cross R4 resistance and be connected to ground, when controlling the incoming level of the I/O port of the MCU ports of selftest module to be not turned on by original U2 optocouplers
High level become turn to low level, such whole control circuit of condition adjudgement is normal, and otherwise circuit for alarming itself is problematic,
So as to control the MCU of output selftest module I/O port to recover high level, the I/O port for stopping the MCU of control module recovers high level.
Whole instrument start, grinder control circuit module have self-checking function, wrapped in whole instrument start running
Include detection during startup self-detection, " grinding " button press before detection, detection in process of lapping and when being ground to target frequency
Detection, detected by this four step, to understand the operation conditions of instrument in real time, ensure that Frequency Measurement System does not surpass in process of lapping
Frequently.As shown in fig. 7, when startup self-detection detects, grinder control circuit module self-test flow comprises the following steps that：
101）Grinder control self-test output port 1 exports low level, the conducting of the repeat circuit of self-test output circuit module 1, grinding
Machine control self-test output port 2 exports low level, the conducting of the repeat circuit of self-test output circuit module 2；
102）Grinder stops control port 1 and exports high level, and the optocoupler of grinder stopping control circuit module 1 is not turned on, and grinds
Machine stops control port 2 and exports high level, and the optocoupler of grinder stopping control circuit module 2 is not turned on；
103）Be delayed 100ms, and waiting signal is stable；
104）The level of grinder control self-test input port 1 is read, is designated as Flag11, reads grinder control self-test input port
2 level, are designated as Flag12；
105）Be delayed 100ms, is eliminated for signal interference；
106）The level of grinder control self-test input port 1 is again read off, is designated as Flag21, again reads off grinder control self-test
The level of input port 2, is designated as Flag22；
107）Judge whether Flag11 is equal to Flag21, and whether value is true；Judge whether Flag12 is equal to Flag22, and value is
No is true；
108）If meet step 107）Its value of the condition is true, then grinder control port 1 exports low level, grinder control
Port 2 processed exports low level.Judge whether Flag11 is not true equal to Flag21, then fail self-test, touch-screen grinder control
Circuit module 1 damages.Judge whether Flag12 is not true equal to Flag22, then fail self-test, touch-screen prompting grinder control
Circuit module 2 damages.
109）Meet step 107）On the premise of its value of the condition is true, be delayed 100ms, and waiting signal is stable；
110）In step 109）The level of grinder control self-test input port 1 is read afterwards, is designated as Flag31；Read grinder control
The level of self-test input port 1, is designated as Flag32；
111）In step 110）After be delayed 100ms, eliminated for signal interference；
112）The level of grinder control self-test input port 1 is again read off, is designated as Flag41；Again read off grinder control self-test
The level of input port 2, is designated as Flag42；
113）Judge whether Flag31 is equal to Flag41, and whether value is true；Judge whether Flag32 is equal to Flag42, and value is
No is true；
114）If meet step 113）The condition is set up, then self-test success, frequency meter grinder control module energy normal work；
Otherwise fail self-test, judge whether Flag31 is not true equal to Flag41, then touch-screen prompting grinder control module 1 is damaged；
If whether only Flag32 is not true equal to Flag42, touch-screen prompting grinder control module 2 is damaged.
As shown in figure 8, frequency meter main interface " grinding " button is pressed, it is ground to before starting grinding with quartz wafer up to target
When frequency is shut down, the same to the detecting step of grinder control loop function, it is comprised the following steps that：
201）Grinder stops control port 1 and exports high level, and grinder stops the optocoupler of control module 1 and is not turned on；Grinder stops
Only control port 2 exports high level, and grinder stops the optocoupler of control module 2 and is not turned on；
202）Be delayed 100ms, and waiting signal is stable；
203）The level of grinder control self-test input port 1 is read, is designated as Flag11；Read grinder control self-test input port
2 level, are designated as Flag12；
204）Be delayed 100ms, is eliminated for signal interference；
205）The level of grinder control self-test input port 1 is again read off, is designated as Flag21；Again read off grinder control self-test
The level of input port 2, is designated as Flag22；
206）Judge whether Flag11 is equal to Flag21, and whether value is true；Judge whether Flag12 is equal to Flag22, and value is
No is true；
207）If meet step 206）All conditions are set up and are true, then grinder control port 1 exports low level；Then grind
Machine control port 2 exports low level；If judging whether Flag11 is equal to Flag21, to be untrue, then grinder control loop 1 is being not just
Often, touch-screen prompting is abnormal；Whether a such as Flag12 is equal to Flag22, and to be untrue, then grinder control loop 2 is abnormal, touches
It is abnormal to touch screen prompting；
208）If meet step 206）All conditions are set up and are true, and be delayed 100ms, and waiting signal is stable；
209）In step 208）Afterwards, the level of grinder control self-test input port 1 is read, is designated as Flag31；Read grinder control
The level of self-test input port 2 processed, is designated as Flag32；
210）In step 209）Afterwards, be delayed 100ms, is eliminated for signal interference；
211）In step 210）Afterwards, the level of grinder control self-test input port 1 is again read off, Flag41 is designated as, again reads off
The level of grinder control self-test input port 2, is designated as Flag42；
212）Judge whether Flag31 is equal to Flag41, and whether value is true；Judge whether Flag32 is equal to Flag42, and value is
No is true；
213）If meet step 212）All conditions are set up and are true, then grinder control loop is normal；If judge Flag31
Whether Flag41 is equal to, to be untrue, then grinder control loop 1 is abnormal, and touch-screen prompting is abnormal；Such as whether a Flag32
In Flag42, to be untrue, then grinder control loop 2 is abnormal, and touch-screen prompting is abnormal；
Wherein grinder control loop detects, and frequency meter pair can detect with the control loop of grinder, if control line does not have
Connection or grinder control module are abnormal, then frequency meter meeting alarm, if control line connection is normal, into online frequency measurement
Flow.
As shown in figure 9, grinder control loop detects during the online frequency measurement, can be right during its online frequency measurement
Whether grinder control loop, which is normally carried out, is detected, and the real-time detection in process of lapping can prevent the grinder in process of lapping
Overclocking problem caused by control line or control loop failure, is comprised the following steps that：
301）Judge the detection of grinder control line whether was carried out in process of lapping；
302）If meet step 301）The condition, then line detection is no longer controlled during this online frequency measurement；It is if discontented
Sufficient step 301）The condition, then it is 1 by grinder control line detection mark position in process of lapping, carries out step 303）Behaviour
Make；
303）Judge whether current quartz wafer frequency exceedes the 60% of grinding frequency and do not arrive target frequency；
304）If meet step 303）Condition, then read the level of grinder control self-test input port 1, as Flag1, and reading is ground
The level of grinding machine control self-test input port 2, as Flag2；If it is unsatisfactory for step 303）The condition, then this online frequency measurement
Line detection is no longer controlled in journey；
305）If Flag1 is 1, system running state is arranged to the exception of grinder control loop 1, will if Flag2 is 1
System running state is arranged to the exception of grinder control loop 2, and frequency meter buzzer warning, touch-screen prompting is abnormal, grinds simultaneously
Grinding machine control port sends shutdown pulse signal；If Flag1 and Flag2 are 0, detection of end flow, grinder controls back
Road is normal.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the inventive concept of the premise, can also make some improvements and modifications, these improvements and modifications also should be regarded as
In the scope of the present invention.
Claims (6)
1. a kind of highly reliable grinder closes down control device, it is characterised in that including Frequency Measurement System grinder control circuit mould
Block, connector, the grinder of two series connection close down controller, grinder；The Frequency Measurement System control circuit module and two strings
The grinder of connection is closed down controller and connected by connector, and the grinder is closed down controller with two grinders connected and passed through
It is electrically connected with；It is solid-state relay or photoelectrical coupler that the grinder, which closes down controller,；The Frequency Measurement System control circuit mould
Block includes grinder control output selftest module, grinder control selftest module and closes down grinder control module；It is described to close down
Grinder control module is controlled communication with grinder control selftest module by triode, and the communication control is to close down
Low level is exported in I/O port after grinder control module ON operation, the optocoupler conducting for controlling I/O port so that the B poles of triode
A low tension value is generated, so as to turn-on transistor so that the incoming level of the I/O port of grinder control selftest module is by high electricity
Flat turn is low level, so as to judge the situation of control circuit；The grinder control output selftest module controls certainly with grinder
The mark lamp and the first current-limiting resistance of series connection are set between inspection module, and the mark lamp is LED in parallel and external instruction
Lamp, to the situation of display circuit；
Further, the output current of the self-inspection control device is controlled 10 to 12mA.
2. a kind of highly reliable grinder according to claim 1 closes down control device, it is characterised in that the connection
Mouth is serial ports pin using DB9.
3. a kind of highly reliable grinder according to claim 1 closes down control device, it is characterised in that one
The grinder of series connection closes down controller and 1 and 9 pins of connector connect, as delivery outlet；The grinding office of another series connection
2 and 8 pins of stop controller and connector connect, as delivery outlet.
4. a kind of highly reliable grinder according to claim 1 closes down control device, it is characterised in that the grinding
Machine control, which exports selftest module and closes down grinder control module, is provided with pull down resistor, uncertain signal clamper is existed
Low level, keep the balance of driving force and power consumption.
5. a kind of highly reliable grinder according to claim 1 closes down control device, it is characterised in that the drop-down
Resistance uses 10K ohms.
6. a kind of highly reliable grinder according to claim 5 closes down control device, it is characterised in that the self-test
The output current of control device is controlled 10 to 12mA；
A kind of method that highly reliable grinder closes down control device, it is characterised in that including startup self-detection detecting step, grinding
Job step, the detecting step of grinder control loop function and online frequency measurement step；
Startup self-detection detecting step comprises the following steps that：
101）Grinder control self-test output port 1 exports low level, the conducting of the repeat circuit of self-test output circuit module 1, grinding
Machine control self-test output port 2 exports low level, the conducting of the repeat circuit of self-test output circuit module 2；
102）Grinder stops control port 1 and exports high level, and the optocoupler of grinder stopping control circuit module 1 is not turned on, and grinds
Machine stops control port 2 and exports high level, and the optocoupler of grinder stopping control circuit module 2 is not turned on；
103）Be delayed 100ms, and waiting signal is stable；
104）The level of grinder control self-test input port 1 is read, is designated as Flag11, reads grinder control self-test input port
2 level, are designated as Flag12；
105）Be delayed 100ms, is eliminated for signal interference；
106）The level of grinder control self-test input port 1 is again read off, is designated as Flag21, again reads off grinder control self-test
The level of input port 2, is designated as Flag22；
107）Judge whether Flag11 is equal to Flag21, and whether value is true；Judge whether Flag12 is equal to Flag22, and value is
No is true；
108）If meet step 107）Its value of the condition is true, then grinder control port 1 exports low level, grinder control
Port 2 processed exports low level；
Judge whether Flag11 is not true equal to Flag21, then fail self-test, touch-screen grinder control circuit module 1 are damaged；
Judge whether Flag12 is not true equal to Flag22, then fail self-test, touch-screen prompting grinder control circuit module 2 are damaged
It is bad；
109）Meet step 107）On the premise of its value of the condition is true, be delayed 100ms, and waiting signal is stable；
110）In step 109）The level of grinder control self-test input port 1 is read afterwards, is designated as Flag31；Read grinder control
The level of self-test input port 1, is designated as Flag32；
111）In step 110）After be delayed 100ms, eliminated for signal interference；
112）The level of grinder control self-test input port 1 is again read off, is designated as Flag41；Again read off grinder control self-test
The level of input port 2, is designated as Flag42；
113）Judge whether Flag31 is equal to Flag41, and whether value is true；Judge whether Flag32 is equal to Flag42, and value is
No is true；
114）If meet step 113）The condition is set up, then self-test success, frequency meter grinder control module energy normal work；
Otherwise fail self-test, judge whether Flag31 is not true equal to Flag41, then touch-screen prompting grinder control module 1 is damaged；
If whether only Flag32 is not true equal to Flag42, touch-screen prompting grinder control module 2 is damaged；
Frequency meter main interface " grinding " button is pressed, start grinding before and quartz wafer be ground to up to target frequency shut down when, it is right
The detecting step of grinder control loop function is the same, and it is comprised the following steps that：
201）Grinder stops control port 1 and exports high level, and grinder stops the optocoupler of control module 1 and is not turned on；Grinder stops
Only control port 2 exports high level, and grinder stops the optocoupler of control module 2 and is not turned on；
202）Be delayed 100ms, and waiting signal is stable；
203）The level of grinder control self-test input port 1 is read, is designated as Flag11；Read grinder control self-test input port
2 level, are designated as Flag12；
204）Be delayed 100ms, is eliminated for signal interference；
205）The level of grinder control self-test input port 1 is again read off, is designated as Flag21；Again read off grinder control self-test
The level of input port 2, is designated as Flag22；
206）Judge whether Flag11 is equal to Flag21, and whether value is true；Judge whether Flag12 is equal to Flag22, and value is
No is true；
207）If meet step 206）All conditions are set up and are true, then grinder control port 1 exports low level；Then grind
Machine control port 2 exports low level；If judging whether Flag11 is equal to Flag21, to be untrue, then grinder control loop 1 is being not just
Often, touch-screen prompting is abnormal；Whether a such as Flag12 is equal to Flag22, and to be untrue, then grinder control loop 2 is abnormal, touches
It is abnormal to touch screen prompting；
208）If meet step 206）All conditions are set up and are true, and be delayed 100ms, and waiting signal is stable；
209）In step 208）Afterwards, the level of grinder control self-test input port 1 is read, is designated as Flag31；Read grinder control
The level of self-test input port 2 processed, is designated as Flag32；
210）In step 209）Afterwards, be delayed 100ms, is eliminated for signal interference；
211）In step 210）Afterwards, the level of grinder control self-test input port 1 is again read off, Flag41 is designated as, again reads off
The level of grinder control self-test input port 2, is designated as Flag42；
212）Judge whether Flag31 is equal to Flag41, and whether value is true；Judge whether Flag32 is equal to Flag42, and value is
No is true；
213）If meet step 212）All conditions are set up and are true, then grinder control loop is normal；If judge Flag31
Whether Flag41 is equal to, to be untrue, then grinder control loop 1 is abnormal, and touch-screen prompting is abnormal；Such as whether a Flag32
In Flag42, to be untrue, then grinder control loop 2 is abnormal, and touch-screen prompting is abnormal；
Online frequency measurement step, is comprised the following steps that：
301）Judge the detection of grinder control line whether was carried out in process of lapping；
302）If meet step 301）The condition, then line detection is no longer controlled during this online frequency measurement；It is if discontented
Sufficient step 301）The condition, then it is 1 by grinder control line detection mark position in process of lapping, carries out step 303）Behaviour
Make；
303）Judge whether current quartz wafer frequency exceedes the 60% of grinding frequency and do not arrive target frequency；
304）If meet step 303）Condition, then read the level of grinder control self-test input port 1, as Flag1, and reading is ground
The level of grinding machine control self-test input port 2, as Flag2；If it is unsatisfactory for step 303）The condition, then this online frequency measurement
Line detection is no longer controlled in journey；
305）If Flag1 is 1, system running state is arranged to the exception of grinder control loop 1, will if Flag2 is 1
System running state is arranged to the exception of grinder control loop 2, and frequency meter buzzer warning, touch-screen prompting is abnormal, grinds simultaneously
Grinding machine control port sends shutdown pulse signal；If Flag1 and Flag2 are 0, detection of end flow, grinder controls back
Road is normal.
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| CN201711377317.7A CN107877355B (en) | 2017-12-19 | 2017-12-19 | High-reliability grinding machine shutdown control device and method thereof |
| CN202310856212.9A CN116852253A (en) | 2017-12-19 | 2017-12-19 | High-reliability grinding machine shutdown control device |
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| CN201711377317.7A CN107877355B (en) | 2017-12-19 | 2017-12-19 | High-reliability grinding machine shutdown control device and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174587A (en) * | 2019-05-28 | 2019-08-27 | 三诺生物传感股份有限公司 | A kind of blood glucose meter is used to detect the starting-up method and system of strip |
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|---|---|
| CN116852253A (en) | 2023-10-10 |
| CN107877355B (en) | 2023-08-11 |
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