CN107860990A - A kind of self-locking device buckle quantity detecting system - Google Patents
A kind of self-locking device buckle quantity detecting system Download PDFInfo
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- CN107860990A CN107860990A CN201710954344.XA CN201710954344A CN107860990A CN 107860990 A CN107860990 A CN 107860990A CN 201710954344 A CN201710954344 A CN 201710954344A CN 107860990 A CN107860990 A CN 107860990A
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- 238000001514 detection method Methods 0.000 claims abstract description 37
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- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
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- 102000001253 Protein Kinase Human genes 0.000 claims description 4
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- 238000012360 testing method Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The present invention provides a kind of self-locking device buckle quantity detecting system, belong to signal acquisition and controlling technology technical field, utilize the lockhole that advance structure is set on self-locking device, and the inductance coil configured in the hole wall position of lockhole, the lockhole that the safe block button of metal is buckled on self-locking device, using mutual inductor add it is metal-cored can change mutual inductance, the electricity reaction for judging mutual inductor by electric circuit inspection determines to buckle into the quantity of safe block button on self-locking device, confirms safe buckle into or safe early warning to reach.Its circuit is simple, cost is low, non-contact detection.It is mostly caused by workmen fastens the safety belt that work high above the ground occasion, which falls empty cause of accident, the present invention can coordinate personnel's detection means to monitor the effective wear safety belt situation of workmen, reduce the generation for falling empty accident, ensure safe and reliable work, steady quality, detection is accurate, has permanent service life.
Description
Technical field
The present invention relates to signal acquisition and controlling technology technical field, specifically a kind of self-locking device buckle quantity detection
System.
Background technology
Self-locking device is that work high above the ground personnel climb the individual fall arrest articles for use used up and down, below human body freely always
Follow human body upper and lower, it is automatic quick locking that human body, which once drops,.Opening and closing are insured, you can quick despatch.With advanced structure,
Rationally, locking quickly, stably, drops apart from the advantages that shorter, impulsive force is smaller, and safety coefficient is higher, and climbing is more convenient up and down.
It can be applied to electric power, oil, communication, ship, building, external wall spraying, cleaning equal-height position Work places.Workmen is because of operation fiber crops
It is tired, often refuse to buckle into safe block button in self-locking device, in emergency circumstances, personal security can not be ensured, buckle detector can be examined
Survey buckle and buckle into self-locking device quantity, coordinate personnel's detection module, warning function can be achieved.
At present, market is without existing product, and existing buckle detector is to utilize resonance principle, and circuit structure is relative complex,
Resonance regulation relative difficulty.
When safety belt lock catch is normally buckled in self-locking device lockhole, by adjusting electric capacity and inductance in self-locking device resonance circuit
Size, self-locking device interior resonance circuit is operated in resonant condition, resonant frequency f0, now flow through in self-locking device resonance circuit
Electric current it is larger（As shown in Figure 1）, the voltage at self-locking device resonant-circuit capacitor C both ends is also very big.When safety belt lock catch is not detained
When in self-locking device lockhole, inductance value reduces rapidly in self-locking device resonance circuit, so as to flow through the electricity in self-locking device resonance circuit
Stream is rapid to be reduced（As shown in Figure 2）, electric capacity C both end voltages reduce rapidly, therefore can be according in detection self-locking device resonance circuit
The size of electric capacity C both end voltages judges whether normally to wear safety belt.
The content of the invention
The technical assignment of the present invention is that solve the deficiencies in the prior art, there is provided a kind of self-locking device buckle quantity detecting system.
The technical scheme is that realize in the following manner, a kind of self-locking device buckle number quantity detecting system of the invention
System, using the lockhole that advance structure is set on self-locking device, and the inductance coil configured in the hole wall position of lockhole, the safety of metal
The lockhole that buckle is buckled on self-locking device, it can change mutual inductance using mutual inductor addition is metal-cored, be judged by electric circuit inspection
The electricity of mutual inductor is reacted to determine to buckle into the quantity of safe block button on self-locking device, confirms that safety buckles into or safety is pre- to reach
It is alert.
Coil brace is folded between the holding piece of self-locking device two, the lockhole of more than one quantity is offered on coil brace,
Along each lockhole hole wall around two groups of coaxial coils on coil brace：Primary coil and secondary coil；Primary coil passes to low pressure friendship
Stream electricity, secondary coil connection detection circuit；The lockhole that the safe block button of metal is buckled on self-locking device, gold is added using mutual inductor
Category core can change mutual inductance, and the electricity for judging mutual inductor by electric circuit inspection is reacted to determine to buckle into safe block button on self-locking device
Quantity, confirm that safety buckles into or safe early warning to reach.
A kind of self-locking device buckle quantity detecting system of the present invention, it is preferable that：Sandwiched between the holding piece of self-locking device two
There is coil brace, offer the lockhole of more than one quantity on coil brace, along each lockhole hole wall around two groups on coil brace
Coaxial coil：Primary coil and secondary coil；Primary coil passes to low-voltage AC, secondary coil connection detection circuit；Metal
The lockhole that buckles on self-locking device of safe block button, using mutual inductor add it is metal-cored can change mutual inductance, coil brace
The safe block button of varying number is buckled into lockhole can cause the change of mutual inductance, judge secondary coil by detecting electric circuit inspection
Electricity reaction determine to buckle into the quantity of safe block button on self-locking device, confirm that safety buckles into or safe early warning to reach；
Wherein：Detection circuit be configured with main controller module, Signal-regulated kinase, signal acquisition module be integrated and connected detection circuit
To detect the electricity reaction for judging secondary coil；
Main controller module uses integrated AD microprocessor single-chip microcomputers,
Signal-regulated kinase be by the AC conversion that signal acquisition module secondary coil returns be available for single-chip microcomputer gather it is straight
Signal is flowed, including signal raises circuit and signal amplification circuit；
Signal acquisition module includes coil brace, primary coil, secondary coil, transformer；
Inductance coil is provided with the lockhole of self-locking device, inductance coil both ends connect self-locking device resonance circuit module, self-locking device resonance
The electric capacity for being used for detecting both end voltage and the power supply occurred for resonance circuit are included in circuit module；
The buckle number buckled into self-locking device lockhole is different, can change mutual between signal detection module primary coil and secondary coil
Feel coefficient, obtain different signals, buckle quantity is determined according to the peak value of signal.
Primary coil and secondary winding turns, transformer output voltage are determined by coil brace size, power consumption.
Coil brace makes according to self-locking device size.
Self-locking device makes self-locking device resonance circuit modular circuit be operated in resonance by the size of initial setting up inductance and electric capacity
State.
Self-locking device resonance circuit modular peripheral is equipped with containment vessel.
Master controller configures network voltage detection pin, transformer is exported to the AD pins of access single-chip microcomputer, in real time collection
Line voltage, eliminate influence of the voltage ripple of power network to testing result.
220V alternating currents turn 3V transformers by 220V and are changed into 3V alternating currents, are flowed into by IN1, IN2 pin of P1 sockets
Signal detection module primary coil, is coupled to secondary coil, and signal condition electricity is flowed into by OUT1, OUT2 pin of P1 sockets
Road, R5, D2 composition level raise circuit, make AC signal vanishing above signal, i.e. direct current, and computing is flowed into through pin OUT1
Amplifier LM358, first order amplifier are voltage follower circuit, second level amplifier and R6, R7, R8 composition in-phase proportion operation amplifier
Circuit, signal flow into Chip Microcomputer A/D pin through OUT.
Using mutual inductance principle, a coil brace is pressed from both sides between the iron plate of self-locking device two, along three lockhole outers around two on support
Group coil：Primary coil and secondary coil, primary coil pass to low-voltage AC, buckle into the safe block button of varying number and can cause
The change of mutual inductance, detection secondary coil peak value can determine whether to buckle into the buckle quantity of self-locking device.
The caused compared with prior art beneficial effect of the present invention is：
A kind of self-locking device buckle quantity detecting system circuit is simple, cost is low, non-contact detection for this.Work high above the ground occasion pendant is empty
Cause of accident is mostly caused by workmen fastens the safety belt, and the present invention can coordinate personnel's detection means monitoring workmen effectively to wear
Safety belt situation is worn, reduces the generation for falling empty accident, it is ensured that safe and reliable work, steady quality, detection is accurate, and it is permanent to have
Service life.
Its is reasonable in design, simple in construction, safe and reliable, easy to use, easy for a kind of self-locking device buckle quantity detecting system
In maintenance, have good value for applications.
Brief description of the drawings
Accompanying drawing 1 is the safety belt detection principle diagram under background technology；
Accompanying drawing 2 is the safety belt detection principle diagram under background technology；
Accompanying drawing 3 is the main controller module schematic diagram of the present invention；
In Fig. 3：U2-STC12C5A60S2 single-chip microcomputers, C3-10 μ F electrochemical capacitors, C4-30pF ceramic disc capacitors, C5-30pF ceramics electricity
Appearance, R3-10K resistors, R4-10K resistors, Y1-11.0592MHz crystal oscillators；
Accompanying drawing 4 is the Signal-regulated kinase and signal acquisition module schematic diagram of the present invention；
In Fig. 4：U1- operational amplifier chip LM358, P1-4Pin socket, D2- diodes 1N4007, T1-220V turn 3V, 5W change
Depressor, R5-1K resistors, R6-30K resistors, R7-10K resistors, R8-10K resistors；
Accompanying drawing 5 is the self-locking device structural representation of the present invention；
Accompanying drawing 6 is the self-locking device structural representation of the present invention；
Accompanying drawing 7 is the structural representation of the coil in the self-locking device lockhole hole position of the present invention.
Mark in accompanying drawing represents respectively：
1st, primary coil, 2, secondary coil, 3, safe block button.
Embodiment
A kind of self-locking device buckle quantity detecting system of the present invention is described in detail below below in conjunction with the accompanying drawings.
As shown in drawings, a kind of self-locking device buckle quantity detecting system of the invention, there is provided one kind is integrated on self-locking device
Safe block button amount detection circuit, using mutual inductance principle, a coil brace is pressed from both sides between the iron plate of self-locking device two, along three on support
Individual lockhole outer is around two groups of coils：Primary coil and secondary coil, primary coil pass to low-voltage AC, buckle into varying number
Safe block button can cause the change of mutual inductance, and detection secondary coil peak value can determine whether to buckle into the buckle quantity of self-locking device.
A kind of self-locking device buckle quantity detecting system of the present invention is to add iron core using mutual inductor to change mutual inductance system
Signal acquisition module made of this principle of number.
A kind of self-locking device buckle quantity detecting system of the present invention includes main controller module, Signal-regulated kinase, signal
Acquisition module.
Master controller is using AD microprocessor STC12C5A60S2 series monolithics are integrated, when being the list of macrocrystalline science and technology production
The single-chip microcomputer of clock/machine cycle (1T), is high speed/low-power consumption/superpower jamproof 8051 single-chip microcomputer of new generation, and instruction code is complete
Complete compatible tradition 8051, but fast 8-12 times of speed.It is internally integrated MAX810 Special reset circuits, 2 road PWM, 8 road 10-bit high speed A/
D changes (250K/S), for motor control, strong jamming occasion.
Signal-regulated kinase main function is that the AC conversion for returning to signal acquisition module secondary coil is to be available for list
The direct current signal of piece machine collection, including signal raise circuit and signal amplification circuit.
Signal acquisition module includes coil brace, primary coil, secondary coil, transformer.Coil brace is according to self-locking device
Size is made, and primary coil and secondary winding turns, transformer output voltage are determined by coil brace size, power consumption.
Self-locking device cut-away view is as shown in figure 5, wherein in inductance coil L built in self-locking device lockhole, inductance coil two
Terminate self-locking device resonance circuit module.Electric capacity C and the confession for being used for detecting both end voltage are included in self-locking device resonance circuit module
The power supply that resonance circuit occurs.When safety lock manufactures, pass through the size of initial setting up inductance and electric capacity, you can make resonance circuit
It is operated in resonant condition.Self-locking device resonance circuit adds after containment vessel as shown in Figure 6.
Circuit theory is always introduced according to signal stream, 220V alternating currents turn 3V transformers by 220V and are changed into 3V alternating currents,
Signal detection module primary coil is flowed into by IN1, IN2 pin of P1 sockets, is coupled to secondary coil, passes through P1 sockets
OUT1, OUT2 pin flow into signal conditioning circuit, and R5, D2 composition level raise circuit, makes AC signal vanishing above signal,
That is direct current, operational amplifier LM358 is flowed into through pin OUT1, first order amplifier be voltage follower circuit, second level amplifier with
R6, R7, R8 form in-phase proportion operational amplification circuit, and signal flows into Chip Microcomputer A/D pin through OUT.
Uout=(1+R6/R8)Uin
The buckle number buckled into self-locking device lockhole is different, can change mutual between signal detection module primary coil and secondary coil
Feel coefficient, so as to obtain different signals, buckle quantity is determined according to the peak value of signal.
Master controller band power network voltage sense pin, transformer is exported to the AD pins of access single-chip microcomputer, in real time collection electricity
Net voltage, eliminate influence of the voltage ripple of power network to testing result.
The present invention can use whether mechanical structure and travel switch detection safe block button buckle into self-locking device lockhole, but relatively
Tether-free technologies scheme is easier to damage.
Signal acquisition module made of mutual inductance this principle can be changed by adding iron core using mutual inductor.Including line
Coil support, primary coil, secondary coil, transformer.One group of primary and secondary coil can detect multiple buckles and buckle into situation.Operating mode will
Point is that bayonet socket detector is changed using mutual inductance with iron core, and along multiple lockhole outers around two groups of coil this structures.
Claims (10)
- A kind of 1. self-locking device buckle quantity detecting system, it is characterised in that：Using the lockhole that advance structure is set on self-locking device, and In the inductance coil that the hole wall position of lockhole configures, lockhole that the safe block button of metal is buckled on self-locking device utilizes mutual inductor Add it is metal-cored can change mutual inductance, the electricity reaction for judging mutual inductor by electric circuit inspection determines to buckle into peace on self-locking device The quantity of full buckle, confirm that safety buckles into or safe early warning to reach.
- A kind of 2. self-locking device buckle quantity detecting system, it is characterised in that：Coil brace is folded between the holding piece of self-locking device two, The lockhole of more than one quantity is offered on coil brace, along each lockhole hole wall around two groups of coaxial coils on coil brace：Just Level coil and secondary coil；Primary coil passes to low-voltage AC, secondary coil connection detection circuit；The safe block button button of metal Enter the lockhole on self-locking device, can change mutual inductance using mutual inductor addition is metal-cored, mutual inductance line is judged by electric circuit inspection The electricity reaction of circle determines to buckle into the quantity of safe block button on self-locking device, confirms that safety buckles into or safe early warning to reach.
- A kind of 3. self-locking device buckle quantity detecting system, it is characterised in that：Coil brace is folded between the holding piece of self-locking device two, The lockhole of more than one quantity is offered on coil brace, along each lockhole hole wall around two groups of coaxial coils on coil brace：Just Level coil and secondary coil；Primary coil passes to low-voltage AC, secondary coil connection detection circuit；The safe block button button of metal Enter the lockhole on self-locking device, can change mutual inductance using mutual inductor addition is metal-cored, be buckled into not in the lockhole of coil brace Safe block button with quantity can cause the change of mutual inductance, judge the electricity reaction of secondary coil come really by detecting electric circuit inspection Determine to buckle into the quantity of safe block button on self-locking device, confirm that safety buckles into or safe early warning to reach；Wherein：Detection circuit be configured with main controller module, Signal-regulated kinase, signal acquisition module be integrated and connected detection circuit To detect the electricity reaction for judging secondary coil；Main controller module uses integrated AD microprocessor single-chip microcomputers,Signal-regulated kinase be by the AC conversion that signal acquisition module secondary coil returns be available for single-chip microcomputer gather it is straight Signal is flowed, including signal raises circuit and signal amplification circuit；Signal acquisition module includes coil brace, primary coil, secondary coil, transformer；Inductance coil is provided with the lockhole of self-locking device, inductance coil both ends connect self-locking device resonance circuit module, self-locking device resonance The electric capacity for being used for detecting both end voltage and the power supply occurred for resonance circuit are included in circuit module；The buckle number buckled into self-locking device lockhole is different, can change mutual between signal detection module primary coil and secondary coil Feel coefficient, obtain different signals, buckle quantity is determined according to the peak value of signal.
- A kind of 4. self-locking device buckle quantity detecting system according to claim 3, it is characterised in that：Primary coil and secondary Coil turn, transformer output voltage are determined by coil brace size, power consumption.
- A kind of 5. self-locking device buckle quantity detecting system according to claim 3, it is characterised in that：Coil brace is according to certainly Device size is locked to make.
- A kind of 6. self-locking device buckle quantity detecting system according to claim 3, it is characterised in that：Self-locking device passes through initial The size of inductance and electric capacity is set, self-locking device resonance circuit modular circuit is operated in resonant condition.
- A kind of 7. self-locking device buckle quantity detecting system according to claim 3, it is characterised in that：Self-locking device resonance circuit Modular peripheral is equipped with containment vessel.
- A kind of 8. self-locking device buckle quantity detecting system according to claim 3, it is characterised in that：Master controller configuration electricity Net voltage sense pin, transformer is exported to the AD pins of access single-chip microcomputer, gather line voltage in real time, eliminate line voltage ripple The dynamic influence to testing result.
- A kind of 9. self-locking device buckle quantity detecting system according to claim 3, it is characterised in that：220V alternating currents turn 3V transformers by 220V and are changed into 3V alternating currents, and signal is flowed into by IN1, IN2 pin of P1 sockets Detection module primary coil, is coupled to secondary coil, and signal conditioning circuit is flowed into by OUT1, OUT2 pins of P1 sockets, R5, D2 composition level raises circuit, makes AC signal vanishing above signal, i.e. direct current, and operational amplifier is flowed into through pin OUT1 LM358, first order amplifier are voltage follower circuit, and second level amplifier and R6, R7, R8 form in-phase proportion operational amplification circuit, Signal flows into Chip Microcomputer A/D pin through OUT.
- A kind of 10. self-locking device buckle quantity detection means, it is characterised in that：Coil branch is folded between the holding piece of self-locking device two Frame, offers the lockhole of more than one quantity on coil brace, along each lockhole hole wall around two groups of coaxial coils on coil brace： Primary coil and secondary coil；Primary coil passes to low-voltage AC, secondary coil connection detection circuit；The safe block button of metal The lockhole buckled on self-locking device, it can change mutual inductance using mutual inductor addition is metal-cored, be buckled into the lockhole of coil brace The safe block button of varying number can cause the change of mutual inductance, by detect electric circuit inspection judge secondary coil electricity reaction come Determine to buckle into the quantity of safe block button on self-locking device, confirm that safety buckles into or safe early warning to reach；Wherein：Detection circuit be configured with main controller module, Signal-regulated kinase, signal acquisition module be integrated and connected detection circuit To detect the electricity reaction for judging secondary coil；Main controller module uses integrated AD microprocessor single-chip microcomputers,Signal-regulated kinase be by the AC conversion that signal acquisition module secondary coil returns be available for single-chip microcomputer gather it is straight Signal is flowed, including signal raises circuit and signal amplification circuit；Signal acquisition module includes coil brace, primary coil, secondary coil, transformer；Inductance coil is provided with the lockhole of self-locking device, inductance coil both ends connect self-locking device resonance circuit module, self-locking device resonance The electric capacity for being used for detecting both end voltage and the power supply occurred for resonance circuit are included in circuit module；The buckle number buckled into self-locking device lockhole is different, can change mutual between signal detection module primary coil and secondary coil Feel coefficient, obtain different signals, buckle quantity is determined according to the peak value of signal；Master controller configures network voltage detection pin, and transformer is exported to the AD pins of access single-chip microcomputer, gathers power network in real time Voltage, eliminate influence of the voltage ripple of power network to testing result；220V alternating currents turn 3V transformers by 220V and are changed into 3V alternating currents, and signal is flowed into by IN1, IN2 pin of P1 sockets Detection module primary coil, is coupled to secondary coil, and signal conditioning circuit is flowed into by OUT1, OUT2 pins of P1 sockets, R5, D2 composition level raises circuit, makes AC signal vanishing above signal, i.e. direct current, and operational amplifier is flowed into through pin OUT1 LM358, first order amplifier are voltage follower circuit, and second level amplifier and R6, R7, R8 form in-phase proportion operational amplification circuit, Signal flows into Chip Microcomputer A/D pin through OUT.
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|---|---|---|---|
| CN201710954344.XA CN107860990B (en) | 2017-10-13 | 2017-10-13 | Self-locker buckle quantity detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954344.XA CN107860990B (en) | 2017-10-13 | 2017-10-13 | Self-locker buckle quantity detection system |
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| CN107860990A true CN107860990A (en) | 2018-03-30 |
| CN107860990B CN107860990B (en) | 2023-12-01 |
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