CN109343127A - High-frequency induction formula safety detection device, stamping equipment and detection method - Google Patents
High-frequency induction formula safety detection device, stamping equipment and detection method Download PDFInfo
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- CN109343127A CN109343127A CN201811275593.7A CN201811275593A CN109343127A CN 109343127 A CN109343127 A CN 109343127A CN 201811275593 A CN201811275593 A CN 201811275593A CN 109343127 A CN109343127 A CN 109343127A
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- 238000001514 detection method Methods 0.000 title claims abstract description 125
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- 230000011664 signaling Effects 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 41
- 238000004080 punching Methods 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 10
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The present invention relates to a kind of high-frequency induction formula safety detection device, stamping equipment and detection methods, for stamping equipment, stamping equipment includes pedestal and the work piece platform being set on the base, and high-frequency induction formula safety detection device includes: for generating high-frequency signal and controlling the control circuit of signal；It connects to the control circuit, emit high-frequency signal to high-frequency signal emission layer work piece platform periphery and be forwarded the inductive signal that work piece platform generates；It connect with high-frequency signal emission layer, receive inductive signal and detection signal is generated according to inductive signal and will test the detection signal output apparatus that signal is sent to control circuit；Control circuit is also according to detection signal output control signal.Implementing this programme can effectively detect whether human body contacts or close to work piece platform, avoid stamping press injury to personnel, improve safety coefficient, reach real safeguard protection purpose.
Description
Technical field
The present invention relates to the technical fields of stamping equipment, fill more specifically to a kind of high-frequency induction formula safety detection
It sets, stamping equipment and detection method.
Background technique
Stamping equipment is the critically important process equipment of metal product processing.Substantial amounts in the market, many stamping equipments
Operation need it is artificial participate in, therefore, there is a large amount of workers injury when operate stamping equipment every year.Punching press on the market at present
The device that equipment detects finger is few.Large-scale stamping equipment, which generallys use the control of general safety door, (must shut off workspace
The door in domain just allows machine to act) or light curtain protect (by it is many shine and receive form one annular light curtain, when finger is worn
When crossing light curtain, the case where producing shading, to cause protection).Under this mechanism, safeguard measure is relatively complete.But
It is then faced with acid test in small device field, because the operating shape that small device is usually processed is greatly,
And it is frequently necessary to be assisted rotating in one's hands or be corrected.Therefore, very difficult design is arranged in the safeguard protection of this kind of equipment.
For small device, some uses infrared emission on the market, for this mode: entering certain area when hand-held
It is interior, shading situation is produced, to cause protection.This protection there are certain requirements the use angle of operation element.And it touches
When bigger to workpiece configurations, workpiece itself can cover infrared light and can not operate at all so as to cause machine.Alternatively,
Have using safety collar mode, i.e., is mounted with an annulus on ram axle.Before starting, first safety collar is allowed to move to the location of workpiece,
If entering stamped area without finger, safety collar can be close to work.If encountering finger, operating position can not be moved to,
So as to cause the protection of system.But in actual mechanical process, this kind of protection needs to adjust safety collar according to different workpiece
Size and shape, cause different workpiece to need different safety collars.It, must debugging machine after replacement.Increase technical staff
The time of people, and after safety collar type is more, storage management is also fairly cumbersome, and in practical application, many workers are this
Safety collar folding uses after falling, to lose its Protection significance.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of high-frequency induction formula
Safety detection device, stamping equipment and detection method.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of high-frequency induction formula safety detection dress
It sets, is used for stamping equipment, the stamping equipment includes the work piece platform of pedestal and setting on the base, the high frequency
Induction type safety detection device includes:
For generating high-frequency signal and controlling the control circuit of signal；
It connect with the control circuit, emit the high-frequency signal to work piece platform periphery and by the workpiece
The high-frequency signal emission layer that the inductive signal that platform generates is forwarded；
It connect with the high-frequency signal emission layer, receive the inductive signal and detection is generated according to the inductive signal
Signal and the detection signal output apparatus that the detection signal is sent to the control circuit；
The control circuit exports control signal also according to the detection signal.
In the embodiment of the present invention, optionally, the control circuit includes:
For generating the control chip of square-wave signal and the variation output control signal according to the detection signal；
It is connect with the control chip, for receiving the square-wave signal and the square-wave signal being converted to the height
The voltage conversion circuit of frequency signal.
In the embodiment of the present invention, optionally, the voltage conversion circuit includes: input circuit, high frequency transformer and electricity
Hold；
The input terminal of the input circuit connects the square-wave signal output end of the control chip, the input circuit
Output end connects the armature winding of the high frequency transformer, the first output end connection of the secondary windings of the high frequency transformer
The second output terminal of the input terminal of the high-frequency signal emission layer, the secondary windings of the high frequency transformer passes through the capacitor
Connect the pedestal.
In the embodiment of the present invention, optionally, the high-frequency induction formula safety detection device further includes insulating protective layer, institute
The periphery that the work piece platform is arranged in insulating protective layer is stated, and between the work piece platform and the pedestal；
The high-frequency signal emission layer is built in the insulating protective layer.
In the embodiment of the present invention, optionally, the detection signal output apparatus includes:
It is connect with the output end of the high-frequency signal emission layer, the inductive signal is divided and export partial pressure letter
Number bleeder circuit；
The processing electricity of the detection signal is connect, handled the voltage division signal and exported with the bleeder circuit
Road.
In the embodiment of the present invention, optionally, the high-frequency induction formula safety detection device further include:
It is connect with the control chip, the indicating circuit for generating indication signal.
The present invention also provides a kind of stamping equipments, including pedestal, the work piece platform and punching press of setting on the base
Control system；Further include above-described high-frequency induction formula safety detection device, the high-frequency induction formula safety detection device with
The punching press control system connection, for sending control signal to the punching press control system.
The present invention also provides a kind of high-frequency induction formula safety detection methods, for realizing the safety of stamping equipment above-mentioned
Detection operation, comprising the following steps:
S1, control circuit export high-frequency signal, and the high-frequency signal are sent to high-frequency signal emission layer；
S2, the high-frequency signal emission layer emit the high-frequency signal to work piece platform periphery, are incuded by work piece platform
The high-frequency signal, and the inductive signal that the work piece platform generates is sent to by detection by the high-frequency signal emission layer
Signal output apparatus；
S3, the detection signal output apparatus carry out detection processing to the inductive signal and export detection signal to institute
State control circuit；
S4, the control circuit output control signals to the punching press control system according to the detection signal, with control
The stamping equipment executes safety operation.
In the embodiment of the present invention, optionally, the control signal includes first control signal and/or second control signal；
The step S4 includes:
S41, the control circuit judge whether there is human contact according to the detection signal or put down close to the workpiece
Platform；
If S42, having detected human contact or close to the work piece platform, control circuit generation first control
Signal processed；
If S43, detecting no human contact or close to the work piece platform, the control circuit generation described second
Control signal.
In the embodiment of the present invention, optionally, the method also includes:
The control signal is sent to indicating circuit by the control circuit；
The indicating circuit executes instruction movement according to the control signal.
Implement the present invention, has the advantages that high-frequency induction formula safety detection device of the invention includes: to be used for
It generates high-frequency signal and controls the control circuit of signal；It connects to the control circuit, emit high-frequency signal to work piece platform periphery
And the high-frequency signal emission layer for being forwarded the inductive signal that work piece platform generates；It connect, receive with high-frequency signal emission layer
Inductive signal and according to inductive signal generate detection signal and will test signal be sent to control circuit detection signal it is defeated
Circuit out；Control circuit is also according to detection signal output control signal.Implementing the present invention can effectively detect whether human body contacts
Or close to work piece platform, stamping press injury to personnel is avoided, safety coefficient is improved, real safeguard protection purpose is reached.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the functional block diagram for the high-frequency induction formula safety detection device that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides high-frequency induction formula safety detection device functional block diagram；
Fig. 3 and Fig. 4 is that the circuit of control circuit in high-frequency induction formula safety detection device provided in an embodiment of the present invention is former
Reason figure；
Fig. 5 is the electricity that signal output apparatus is detected in high-frequency induction formula safety detection device provided in an embodiment of the present invention
Road schematic diagram；
Fig. 6 is the section of the assembling of high-frequency induction formula safety detection device and stamping equipment provided in an embodiment of the present invention
Schematic diagram；
Fig. 7 is the vertical view of the assembling of high-frequency induction formula safety detection device and stamping equipment provided in an embodiment of the present invention
Figure；
Fig. 8 is the comparison diagram of the detection signal of high-frequency induction formula safety detection device provided in an embodiment of the present invention；
Fig. 9 is the flow diagram of high-frequency induction formula safety detection method provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
With reference to Fig. 1, for the functional block diagram for the high-frequency induction formula safety detection device that one embodiment of the invention provides, the height
Frequency induction type safety detection device can be applied to stamping equipment, detect human body by the high-frequency induction formula safety detection device
Whether touch or close to stamping equipment work piece platform, and then export corresponding control signal according to testing result, and should
Control signal is transferred to the punching press control system of stamping equipment, executes corresponding operation to control stamping equipment, avoids operation people
Member is injured, improves operation safety coefficient, realizes the safeguard protection to operating personnel.
Specifically, as shown in Figure 6 and Figure 7, stamping equipment includes pedestal 20 and the work piece platform that is arranged on pedestal 20
30。
As shown in Figure 1, the high-frequency induction formula safety detection device includes: for generating high-frequency signal and control signal
Control circuit 11；It is connect with control circuit 11, high-frequency signal is emitted to 30 periphery of work piece platform and generates work piece platform 30
The high-frequency signal emission layer 12 that is forwarded of inductive signal；It connect with high-frequency signal emission layer 12, receive inductive signal and root
Detection signal is generated according to inductive signal and will test the detection signal output apparatus 13 that signal is sent to control circuit 11；Control
Circuit 11 processed is also according to detection signal output control signal.Wherein, as shown in Figure 6 and Figure 7, high-frequency signal emission layer 12 is arranged
In the periphery of work piece platform 30.Optionally, the control signal that control circuit 11 exports includes first control signal and/or second
Control signal, wherein when the control signal that control circuit 11 exports is first control signal, the punching press control of stamping equipment
System can control stamping equipment according to the first control signal and not work；When the control signal that control circuit 11 exports is the
When two control signals, the punching press control system of stamping equipment can control stamping equipment work according to the second control signal.
Further, as shown in Figure 6 and Figure 7, the high-frequency induction formula safety detection device of the embodiment of the present invention further include:
Insulating protective layer 14, the insulating protective layer 14 are arranged in the periphery of work piece platform 30, and be located at work piece platform 30 and pedestal 20 it
Between；Wherein, high-frequency signal emission layer 12 is built in insulating protective layer 14.By the way that high-frequency signal emission layer 12 is built in absolutely
In edge protective layer 14, it both can achieve the space radiation effects using high-frequency signal emission layer 12, and also can use high-frequency signal
Emission layer 12, which encloses work piece platform 30, to be located therein and realizes mutual inductance, using mutual inductance principle, senses that work piece platform 30 generates
Inductive signal.
After the high-frequency signal that control circuit 11 exports is sent to high-frequency signal emission layer 12, by high-frequency signal emission layer 12
The effect for emitting to the periphery of work piece platform 30, and being radiated by space forms the induction letter of high frequency in work piece platform 30
Number, the inductive signal of the high frequency is sent to detection signal output apparatus 13 by high-frequency signal emission layer 12, defeated by detection signal
Circuit 13 detects the inductive signal out, and exports corresponding detection signal.Optionally, the inductive signal of the high frequency is
The induced voltage of high frequency.
In the embodiment of the present invention, high-frequency signal emission layer 12 can be realized by conducting wire with control circuit 11 and is electrically connected, together
Sample, which can also be realized by conducting wire with detection signal output apparatus 13 and be electrically connected.
Further, the high-frequency induction formula safety detection device of the embodiment of the present invention generates high frequency by control circuit 11
Signal is wired to high-frequency signal emission layer 12, and by space radiation effects, forms in work piece platform 30
The induced voltage of high frequency, when human body (the finger physical feeling of such as operating personnel) touches or Close approach workpiece is flat
When platform 30, the induced voltage of high frequency is that conductive carrier carries out energy radiation to space by the absorption of human body and with human body.
Since the electric current of the induced voltage of the high frequency is very small, so, after human body intervention, the sense that is accumulated in work piece platform 30
It answers voltage is suddenly poly- to decline, changes to cause the detection signal that detection signal output apparatus 13 detects and significant reduce occur,
And the detection signal is finally fed back to control circuit 11, detects the inspection that signal output apparatus 13 detects by 11 pairs of control circuit
It surveys signal to be monitored, therefore, the safety inspection to human body can be realized by the variation that control circuit 11 monitors detection signal
It surveys.
Further, as shown in figure 8, being the detection of high-frequency induction formula safety detection device provided in an embodiment of the present invention
The comparison diagram of signal.It with reference to Fig. 8, can see according to signal contrast figure, (no finger Close approach when no finger signal
Or contact workpiece platform 30), the peak-to-peak value of detection signal waveform is more much higher than there is peak-to-peak value when finger signal, therefore, right
The maximum value or peak-to-peak value for detecting signal are detected, then carry out date comprision, can judge whether there is finger Jie
Enter, and then corresponding control signal is exported according to judging result.When it is implemented, the frequency and timer due to waveform export
PWM frequency be consistent, so control circuit 11 can by the spilling of timer interrupt to detection signal carry out high voltage
It is sampled respectively with low-voltage (peak-to-peak value detection method), or only samples high-voltage value (peak detection), the height that sampling is obtained
The value of voltage subtracts the value of low-voltage, obtains signal difference, judges whether there is finger intervention further according to the size of signal difference.
With reference to Fig. 2, in a preferred embodiment, as shown in Fig. 2, control circuit 11 includes: for generating square wave letter
Number and according to detection signal variation output control signal control chip 101；It connect, with control chip 101 for receiving
Square-wave signal and the voltage conversion circuit 102 that square-wave signal is converted to high-frequency signal.
In the embodiment, the square-wave signal that control chip 101 generates is the pwm signal of high frequency.The control chip 101 is right
The sampling for detecting the detection signal that signal output apparatus 13 exports can sample for ADC.
Optionally, which can be single-chip microcontroller.Further, the embodiment of the present invention can use unit piece
The spilling of timer interrupt or compare interruption or ADC sampling is completed to interrupt to realize the peak value of synchronous sampling signal
Or peak-to-peak value.
As shown in figure 3, the energization pins of the control chip 101 meet supply voltage (3.3V) by resistance R8, further
Ground, the energization pins of the control chip 101 also pass through capacitor C5 and are grounded.By control chip 101 power cathode on, benefit
It is connect with a capacitor with stamping equipment bottom, realizes the induction of stamping equipment bottom and fuselage and the generation of work piece platform 30
The effect that circuit idiostatic occurs solves the problems, such as that touching magnetic stamping equipment bottom and fuselage bring malfunction.
In the embodiment, voltage conversion circuit 102 includes: input circuit 1021, high frequency transformer 1022 and capacitor.
Input circuit 1021 input terminal connection control chip 101 square-wave signal output end, input circuit 1021 it is defeated
Outlet connects the armature winding of high frequency transformer 1022, and the first output end of the secondary windings of high frequency transformer 1022 connects high
The second output terminal of the input terminal of frequency signal emission layer 12, the secondary windings of high frequency transformer 1022 passes through capacitance connection pedestal
20.In the embodiment, the pwm signal for controlling the high frequency that chip 101 generates by using 1022 pairs of high frequency transformer is risen
Grade, is converted to high-frequency and high-voltage (high-frequency signal i.e. above-mentioned), and the high-frequency and high-voltage is sent to high-frequency signal transmitting by conducting wire
The high-frequency and high-voltage, is sent in space locating for work piece platform 30 by layer 12 by high-frequency signal emission layer 12.
Further, voltage conversion circuit 102 further include: absorbing circuit 1023, wherein the absorbing circuit 1023
Power supply termination high level, the first end of the armature winding of the output end connection high frequency transformer 1022 of the absorbing circuit 1023, should
The output end of the other end connection input circuit 1021 of absorbing circuit 1023.
As shown in figure 4, input circuit 1021 includes resistance R2, resistance R3 and triode Q1.The first end and electricity of resistance R2
The connecting pin for hindering the first end of R3 controls the square-wave signal output end of chip 101 as the input terminal connection of input circuit 1021
(17 feet of U1 in such as Fig. 3), the base stage of the second end connecting triode Q1 of resistance R2, the second end and triode Q1 of resistance R3
Emitter be grounded together, the collector of triode Q1 connects high frequency transformer 1022 as the output end of input circuit 1021
Armature winding (3 feet of T1 in such as Fig. 4).
Absorbing circuit 1023 includes capacitor C1, resistance R1 and diode D1.The first of the first end of capacitor C1 and resistance R1
End connects high level (5V) together, and the second end of resistance C1 and the second end of resistance R1 connect the cathode of diode D1 together, and two
The collector of the anode connecting triode Q1 of pole pipe D1 and connect high frequency transformer 1022 armature winding third end (in Fig. 4
3 feet), the first end (1 foot in Fig. 4) of the armature winding of high frequency transformer 1022 is also connected with high level (5V).
The first output end (9 feet " H_OUT " in Fig. 4) of the secondary windings of high frequency transformer 1022 is connected by conducting wire
Second output terminal (7 feet " H_GND " in Fig. 4) to high-frequency signal emission layer 12, the secondary windings of high frequency transformer 1022 is logical
Cross the pedestal 20 of capacitor C3 connection stamping equipment.
As shown in figure 4, the reflective cusps voltage of high frequency transformer 1022 can be absorbed by the absorbing circuit 1023, prevent
Only triode Q1 is reversed high-voltage breakdown.Resistance R3 can be played when powering on, in the completely good reset of control chip 101
In the case where same, the effect for preventing triode Q1 from misleading.
Further, as shown in figure 5, the detection signal output apparatus 13 includes: the output with high-frequency signal emission layer 12
The bleeder circuit 1301 that end connects, divided to inductive signal and export voltage division signal；It is connect with bleeder circuit 1301, is right
Voltage division signal is handled and exports the processing circuit 1302 of detection signal.
Wherein, bleeder circuit 1301 includes: resistance R11, resistance R13, resistance R14 and resistance R16.
Processing circuit 1302 includes operational amplifier U2A, resistance R12, resistance R17, resistance R18, resistance R15, resistance
R19, capacitor C11, diode D3 and capacitor C10.
The output end of first end (H_IN in Fig. 5) the connection high-frequency signal emission layer 12 of resistance R11, the of resistance R11
Two ends pass sequentially through resistance R13, resistance R14 and resistance R16 is grounded, and the connecting pin of resistance R14 and resistance R16 pass through coupling electricity
Hold input terminal (such as non-inverting input terminal of Fig. 5 operational amplifier U2A, i.e. operational amplifier that C6 is coupled to processing circuit 1302
3 feet of U2A), the first termination high level (5V) of resistance R12, the second end of resistance R12 is grounded by resistance R17, resistance R12
The non-inverting input terminal (3 foot) of operational amplifier U2A, the reverse phase of operational amplifier U2A are additionally coupled to the connecting pin of resistance R17
Input terminal (2 foot) is grounded by resistance R19, and the output end of operational amplifier U2A passes sequentially through resistance R15, capacitor C10 ground connection,
The cathode of diode D3 connects supply voltage (3.3V), the connecting pin of anode connection the resistance R15 and capacitor C10 of diode D3；Fortune
The power supply for calculating amplifier U2A terminates high level (5V), and is also grounded by capacitor C11；The ground connection of operational amplifier U2A terminates
Ground.As shown in figure 5, the effect by resistance R12 and resistance R17 constitutes voltage bias, turning for AC-to DC is realized
It changes.Meanwhile using the characteristic of the input of the high resistant of operational amplifier U2A, low-resistance output, impedance matching is realized.
Further, as shown in figure 3, the high-frequency induction formula safety detection device high-frequency induction formula safety detection device also
Include: with control chip 101 connect, the indicating circuit 15 for generating indication signal.As shown in figure 3, the indicating circuit 15 wraps
Resistance R6 and LED light D2 are included, the first end of resistance R6 connects high level (5V), the sun of the second end connection D2 of resistance R6
Pole, 18 feet of the cathode connection control chip 101 of D2.By the way that LED light is arranged, human eye knowledge can be carried out for operating personnel
Not, and then achieve the purpose that effective, significant prompting operating personnel.
With reference to Fig. 3 to Fig. 5, the concrete operating principle of the high-frequency induction formula safety detection device of the embodiment of the present invention are as follows:
The PWM wave that chip 101 generates a high frequency is controlled, is exported by its 17 foot, resistance R2 and triode are then passed through
Q1 drives high frequency transformer 1022 to produce one by 9 feet of high frequency transformer 1022 by the mutual inductance of high frequency transformer 1022
A high-frequency high-voltage signal (high-frequency signal above-mentioned), is wired to high-frequency signal emission layer 12, is radiated by space,
The high-frequency high-voltage signal emitted from high-frequency signal emission layer 12 is incuded by work piece platform 30, then is wired to
The position H_IN (first end of resistance R11) of circuit, after being divided by resistance R11, resistance R13, resistance R14 and resistance R16,
It is coupled to 3 feet of operational amplifier U2A by coupled capacitor C6, after the amplification of operational amplifier U2A, obtains detection letter
Number, which exports from 1 foot of operational amplifier U2A, after the overvoltage protection of the current limliting of R15 and diode D3,
Back to 7 feet of control chip 101, after carrying out ADC acquisition, analysis by 101 pairs of detection signals of control chip, generate corresponding
Control signal is exported from 8 feet to the punching press control system of stamping equipment, meanwhile, control chip 101 also passes through 18 feet output letter
Number to D2, drives D2 to shine and remind operating personnel.
In a specific embodiment, by taking peak-to-peak value detection method as an example.By controlling 7 feet of chip 101 to operation amplifier
The detection signal of device U2A1 foot output carries out high voltage and low-voltage samples respectively, and the value of the high voltage sampled is subtracted
The value for going low-voltage, obtains signal difference, the size of the signal difference is compared judgement with preset difference value, when the signal
Difference is greater than preset difference value, then explanation has finger Close approach or contact workpiece platform 30, at this point, control chip 101 is logical
8 feet output first control signal is crossed to the punching press control system of stamping equipment, punching press control system is according to first control signal control
Stamping equipment processed stops working, while controlling chip 101 and also outputing signal to D2 by 18 feet, and driving D2 shines to provide work
Industry personnel；When the signal difference is less than preset difference value, illustrate no finger Close approach or contact workpiece platform 30, this
When, control chip 101 exports punching press control system of the second control signal to stamping equipment, punching press control system root by 8 feet
According to second control signal control stamping equipment work.
High-frequency induction formula safety detection device provided in an embodiment of the present invention both can effectively solve present in traditional scheme
The problem of, and effective detection to equipment can be realized in a manner of low cost, while high-frequency induction formula of the invention is examined safely
It surveys device to be fixed on stamping equipment, can avoid security risk caused by the random dismounting of operating personnel, effectively avoid rushing
It presses operating personnel injured, protects the safety of stamping press personnel, improve the safety coefficient of operation, reached real safety and protected
Eye protection.
The embodiment of the invention also provides a kind of stamping equipment, which includes pedestal 20, is arranged on pedestal 20
Work piece platform 30 and punching press control system；It further include high-frequency induction formula safety detection device provided by previous embodiment,
High-frequency induction formula safety detection device is connect with punching press control system, for sending control signal to punching press control system.This hair
The high-frequency induction formula safety detection device that bright stamping equipment is provided by setting previous embodiment, can achieve effective detection
Whether human body contacts or close to work piece platform 30, avoids stamping press injury to personnel, improves safety coefficient, realizes real
Safeguard protection.
With reference to Fig. 9, the embodiment of the invention also provides a kind of high-frequency induction formula safety detection methods, for realizing aforementioned
Stamping equipment safety detection operation.
As shown in figure 9, the high-frequency induction formula safety detection method the following steps are included:
S1, control circuit 11 export high-frequency signal, and high-frequency signal are sent to high-frequency signal emission layer 12.
S2, high-frequency signal emission layer 12 emit high-frequency signal to 30 periphery of work piece platform, incude height by work piece platform 30
Frequency signal, and the inductive signal that work piece platform 30 generates is sent to by detection signal output electricity by high-frequency signal emission layer 12
Road 13.
S3, detection signal output apparatus 13 carry out detection processing to inductive signal and export detection signal to control circuit
11。
S4, control circuit 11 output control signals to punching press control system according to detection signal, are held with controlling stamping equipment
Row safety operation.
Optionally, in the embodiment of the present invention, control signal includes first control signal and/or second control signal.
Wherein, step S4 includes:
S41, control circuit 11 judge whether there is human contact or close work piece platform 30 according to detection signal.
If S42, having detected human contact or close to work piece platform 30, the generation first control signal of control circuit 11.
It is to be appreciated that when control circuit 11 export be first control signal when, punching press control system according to this first
Control signal control stamping equipment stops working.
If S43, detecting no human contact or close to work piece platform 30, the generation second control signal of control circuit 11.
It is to be appreciated that when control circuit 11 export be second control signal when, punching press control system according to this second
Control signal control stamping equipment work.
Further, the high-frequency induction formula safety detection method is further comprising the steps of:
Control circuit 11 sends control signals to indicating circuit 15；Indicating circuit 15 is executed instruction according to control signal
Movement.Optionally, control signal here can be driving signal.Specifically, when control circuit 11 generates first control signal
When, output drive signal drives indicating circuit 15 to work to indicating circuit 15 to control circuit 11 by the driving signal simultaneously,
To remind operating personnel.Further, which may include LED light.
The technical concepts and features of above embodiments only to illustrate the invention, its object is to allow be familiar with technique
Personage can understand the contents of the present invention and implement accordingly, can not limit the scope of the invention.It is all with right of the present invention
The equivalent changes and modifications that claimed range is done should belong to the covering scope of the claims in the present invention.
It should be understood that for those of ordinary skills, can be improved or be become according to the above description
It changes, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of high-frequency induction formula safety detection device, is used for stamping equipment, the stamping equipment includes that pedestal and setting exist
Work piece platform on the pedestal, which is characterized in that the high-frequency induction formula safety detection device includes:
For generating high-frequency signal and controlling the control circuit of signal；
It is connect with the control circuit, the high-frequency signal is emitted to the work piece platform periphery and produces the work piece platform
The high-frequency signal emission layer that raw inductive signal is forwarded；
Connect with the high-frequency signal emission layer, receive the inductive signal and according to the inductive signal generate detection signal,
And the detection signal is sent to the detection signal output apparatus of the control circuit；
The control circuit exports control signal also according to the detection signal.
2. high-frequency induction formula safety detection device according to claim 1, which is characterized in that the control circuit includes:
For generating the control chip of square-wave signal and the variation output control signal according to the detection signal；
It is connect with the control chip, for receiving the square-wave signal and the square-wave signal being converted to the high-frequency signal
Voltage conversion circuit.
3. high-frequency induction formula safety detection device according to claim 2, which is characterized in that the voltage conversion circuit packet
It includes: input circuit, high frequency transformer and capacitor；
The input terminal of the input circuit connects the square-wave signal output end of the control chip, the output end of the input circuit
The armature winding of the high frequency transformer is connected, the first output end of the secondary windings of the high frequency transformer connects the high frequency
The second output terminal of the input terminal of signal emission layer, the secondary windings of the high frequency transformer passes through bottom described in the capacitance connection
Seat.
4. high-frequency induction formula safety detection device according to claim 1, which is characterized in that the high-frequency induction formula safety
Detection device further includes insulating protective layer, and the periphery of the work piece platform is arranged in the insulating protective layer, and is located at the work
Between part platform and the pedestal；
The high-frequency signal emission layer is built in the insulating protective layer.
5. high-frequency induction formula safety detection device according to claim 1, which is characterized in that the detection signal output electricity
Road includes:
It is connect with the output end of the high-frequency signal emission layer, the inductive signal is divided and export voltage division signal and divided
Volt circuit；
The processing circuit of the detection signal is connect, handled the voltage division signal and exported with the bleeder circuit.
6. high-frequency induction formula safety detection device according to claim 2, which is characterized in that the high-frequency induction formula safety
Detection device further include:
It is connect with the control chip, the indicating circuit for generating indication signal.
7. a kind of stamping equipment, including pedestal, the work piece platform and punching press control system of setting on the base；Its feature
It is, further includes high-frequency induction formula safety detection device described in any one of claims 1-6, the high-frequency induction formula is examined safely
It surveys device to connect with the punching press control system, for sending control signal to the punching press control system.
8. a kind of high-frequency induction formula safety detection method is grasped for realizing the safety detection of stamping equipment as claimed in claim 7
Make, which comprises the following steps:
S1, control circuit export high-frequency signal, and the high-frequency signal are sent to high-frequency signal emission layer；
S2, the high-frequency signal emission layer emit the high-frequency signal to work piece platform periphery, incuded as work piece platform described in
High-frequency signal, and by the high-frequency signal emission layer by the inductive signal that the work piece platform generates be sent to detection signal it is defeated
Circuit out；
S3, the detection signal output apparatus carry out detection processing to the inductive signal and export detection signal to the control
Circuit；
S4, the control circuit output control signals to the punching press control system according to the detection signal, described in control
Stamping equipment executes safety operation.
9. high-frequency induction formula safety detection method according to claim 8, which is characterized in that the control signal includes the
One control signal and/or second control signal；
The step S4 includes:
S41, the control circuit judge whether there is human contact or the close work piece platform according to the detection signal；
If S42, having detected human contact or close to the work piece platform, control circuit generation the first control letter
Number；
If S43, detecting no human contact or close to the work piece platform, control circuit generation the second control letter
Number.
10. high-frequency induction formula safety detection method according to claim 8, which is characterized in that the method also includes:
The control signal is sent to indicating circuit by the control circuit；
The indicating circuit executes instruction movement according to the control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275593.7A CN109343127B (en) | 2018-10-30 | High-frequency induction type safety detection device, stamping equipment and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275593.7A CN109343127B (en) | 2018-10-30 | High-frequency induction type safety detection device, stamping equipment and detection method |
Publications (2)
| Publication Number | Publication Date |
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| CN109343127A true CN109343127A (en) | 2019-02-15 |
| CN109343127B CN109343127B (en) | 2024-05-10 |
Family
ID=
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112114365A (en) * | 2019-06-19 | 2020-12-22 | 北京猎户星空科技有限公司 | Collision detection device and method and robot |
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