CN109596848A - Reaction cup detects jamproof system and its application method - Google Patents
Reaction cup detects jamproof system and its application method Download PDFInfo
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- CN109596848A CN109596848A CN201811574175.8A CN201811574175A CN109596848A CN 109596848 A CN109596848 A CN 109596848A CN 201811574175 A CN201811574175 A CN 201811574175A CN 109596848 A CN109596848 A CN 109596848A
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Abstract
The invention discloses reaction cup detection jamproof system and its application method, waveform generator generates the square wave of preset frequency after being set, and generated square wave driving infrared transmitting tube sends out the infrared signal of preset frequency；Infrared receiving tube receives infrared signal and is sent to phase-locked loop circuit；Phase-locked loop circuit compares the infrared signal frequency received and whether preset frequency is consistent, exports trigger signal to MCU module if consistent；MCU module detects that trigger signal then determines to detect reaction cup.Preferably, waveform generator can be made to generate the square wave of preset frequency by the setting of the value to R1, R2, C1；Meanwhile the reference frequency of the phase-locked loop circuit preset frequency can be made by the setting to C2, R4.In the present invention, transmitting and its frequency of received infrared signal can be preset according to the demand in practical application, be allowed to meet currently used environment, avoided the transmitting of infrared signal and received the interference by ambient light.
Description
Technical field
The present invention relates to the technical field of medical instrument more particularly to reaction cup detection jamproof system and its application sides
Method.
Background technique
The most commonly used diagnostic method of medical domain --- in-vitro diagnosis at present refers to body fluid, the row of acquisition human body
Object, secretion progress chemical component or chemical reaction analysis are let out, to judge human lesion.Such as chemiluminometry divides
Son diagnosis.These diagnostic methods are all made of automatically or semi-automatically instrument and are loaded, analysis, and provide diagnosis report.
The container of chemical reaction, and reaction cup meeting are used as in Full-automatic chemiluminescence immunoassay analysis meter using reaction cup
By manipulator pick-and-place into different components.If reaction cup is not in place, it will cause reagents to be discharged on instrument, causes
Biological pollution.Thus, reaction cup detection function is even more important, generally reaction cup detected using infrared sensor at present,
And infrared signal is highly prone to the interference of ambient light, causes to judge by accident, influences instrument normal use.
Summary of the invention
For overcome the deficiencies in the prior art, jamproof system is detected the purpose of the present invention is to provide reaction cup and its answer
With method, it is intended to solve during carrying out reaction cup detection using infrared sensor, infrared signal transmission is easy to be interfered
The problem of.
The purpose of the present invention is implemented with the following technical solutions:
A kind of reaction cup detection jamproof system, including signal emission module, signal receiving module, MCU module, in which:
Signal emission module includes the waveform generator being linked in sequence, infrared transmitting tube；
Signal receiving module includes the infrared receiving tube being linked in sequence, phase-locked loop circuit；
Infrared receiving tube can receive the infrared signal of infrared transmitting tube transmitting；
Phase-locked loop circuit is connect with MCU module；
Waveform generator generates the square wave of preset frequency after being set, generated square wave drives infrared transmitting tube to outgoing
The infrared signal of preset frequency out；
Infrared receiving tube receives infrared signal and is sent to phase-locked loop circuit, and phase-locked loop circuit comparison receives infrared
Whether optical signal frequency is consistent with preset frequency, exports trigger signal to MCU module if consistent；
MCU module detects that trigger signal then determines to detect reaction cup.
On the basis of the above embodiments, it is preferred that the waveform generator includes 555 time base circuits, resistance R1, resistance
R2, resistance R3, capacitor C1；
555 time base circuits are provided with the end VCC, the end GND, the end R, the end CV, the end TR, the end Q, the end DC, the end TH；The end VCC and power supply
End connection, the end R are connect with the end VCC, the end CV ground connection, and the first end of the end TR and C1 connect, and the first end of the end Q and R3 connect, the end DC
It is connect with the first end of R1, the first end connection of TH and C1；
The first end of R2 is connect with the end VCC, and the second end of R2 and the first end of R1 connect；
The second end of R1 and the first end of C1 connect；
The second end of C1 is grounded；
The second end of R3 and the anode of infrared transmitting tube connect；
The cathode of infrared transmitting tube is grounded.
On the basis of above-mentioned any embodiment, it is preferred that further include be set to infrared receiving tube and phase-locked loop circuit it
Between signal amplifier；
Infrared receiving tube receives infrared signal and is sent to phase-locked loop circuit after signal amplifier amplifies.
On the basis of the above embodiments, it is preferred that the signal receiving module further includes resistance R4, resistance R5, resistance
R6, resistance R7, resistance R8, capacitor C2, capacitor C3；
The phase-locked loop circuit is CD4046 phase-locked loop circuit, is provided with the end COMPIN, the end VCOIN, the end SIGIN, CX1
End, the end CX2, the end INH, the end R1, the end PP, the end PC2OUT, the end VCOOUT；
The signal amplifier is provided with non-inverting input terminal, inverting input terminal, output end；
The first end of R6 is connect with the end VCC, and the second end of R6 and the non-inverting input terminal of signal amplifier connect；
The plus earth of infrared receiving tube, the cathode of infrared receiving tube and the second end of R6 connect；
The inverting input terminal of signal amplifier and the first end of R7 connect, the output end and phase-locked loop circuit of signal amplifier
The end SIGIN connection；
The second end of R7 is grounded；
The first end of R8 and the inverting input terminal of signal amplifier connect, the second end of R8 and the SIGIN of phase-locked loop circuit
End connection；
The end COMPIN is connect with the end VCOOUT, the first end connection of the end VCOIN and C3, and the first end of the end CX1 and C2 connect,
The first end of the connection of the second end of the end CX2 and C2, the end INH ground connection, the end R1 and R4 connect, and the end PP is connect with MCU module, PC2OUT
End is connect with the first end of R5；
The second end of R4 is grounded；
The second end of R5 and the first end of C3 connect；
The second end of C3 is grounded.
A kind of application method of reaction cup detection jamproof system in any of the above-described embodiment, comprising:
Step of transmitting, waveform generator generate the square wave of preset frequency after being set, generated square wave drives infrared hair
Penetrate the infrared signal that pipe sends out preset frequency；
Receiving step, infrared receiving tube receive infrared signal and are sent to phase-locked loop circuit；
Step is compared, phase-locked loop circuit compares the infrared signal frequency received and whether preset frequency is consistent, if
It is consistent then export trigger signal to MCU module；
Determination step, MCU module detect that trigger signal then determines to detect reaction cup.
On the basis of the above embodiments, it is preferred that before the step of transmitting, further includes:
Initial step is configured waveform generator, it is made to generate the square wave of preset frequency；Phase-locked loop circuit is carried out
Setting, the reference frequency preset frequency for making it be used to compare.
On the basis of the above embodiments, it is preferred that the initial step, specifically:
The value of R1, R2, C1 of waveform generator are configured, waveform generator is made to generate the square wave of preset frequency；
The value of C2, R4 of phase-locked loop circuit are configured, make phase-locked loop circuit for comparison reference frequency in advance
Determine frequency.
On the basis of the above embodiments, it is preferred that in the initial step, the value of R2 is 2.88k Ω, the value of R1
For 68k Ω, the value of C1 is 1nF；The value of C2 is 20pF, and the value of R4 is 20M Ω.
On the basis of the above embodiments, it is preferred that the initial step, further includes:
The value of R3, R6, R7, R8, R5, C3 are configured:
The value of R3 is 200 Ω；
The value of R6 is 10k Ω, and the value of R7 is 10k Ω, and the value of value Ei the 10k Ω, R5 of R8 are 10k Ω, C3's
Value is 1nF.
On the basis of above-mentioned any embodiment, it is preferred that the receiving step, specifically:
Infrared receiving tube receives infrared signal and is sent to phase-locked loop circuit after signal amplifier amplifies.
Compared with prior art, the beneficial effects of the present invention are:
The invention discloses reaction cup detection jamproof system and its application method, waveform generator generates pre- after being set
Determine the square wave of frequency, generated square wave driving infrared transmitting tube sends out the infrared signal of preset frequency；Infrared receiver
Pipe receives infrared signal and is sent to phase-locked loop circuit；Phase-locked loop circuit compares the infrared signal frequency received and makes a reservation for
Whether frequency is consistent, exports trigger signal to MCU module if consistent；MCU module detects that trigger signal then determines to detect
To reaction cup.Preferably, waveform generator can be made to generate the side of preset frequency by the setting of the value to R1, R2, C1
Wave；Meanwhile the reference frequency of the phase-locked loop circuit preset frequency can be made by the setting to C2, R4.Preferably, infrared
The infrared signal that reception pipe receives can be passed in phase-locked loop circuit again after signal amplifies.In the present invention, emits and connect
Its frequency of the infrared signal of receipts can be preset according to the demand in practical application, be allowed to meet currently used ring
Border avoids the transmitting of infrared signal and receives the interference by ambient light, causes to judge by accident, influence instrument normal use.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 shows a kind of structural schematic diagram of signal emission module provided in an embodiment of the present invention；
Fig. 2 shows a kind of structural schematic diagrams of signal receiving module provided in an embodiment of the present invention；
The process that Fig. 3 shows a kind of application method of reaction cup detection jamproof system provided in an embodiment of the present invention is shown
It is intended to.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Specific embodiment one
As depicted in figs. 1 and 2, the embodiment of the invention provides a kind of reaction cups to detect jamproof system, including signal hair
Penetrate module, signal receiving module, MCU module, in which:
Signal emission module includes the waveform generator being linked in sequence, infrared transmitting tube D1；
Signal receiving module includes the infrared receiving tube D2 being linked in sequence, phase-locked loop circuit；
Infrared receiving tube D2 can receive the infrared signal of infrared transmitting tube D1 transmitting；
Phase-locked loop circuit is connect with MCU module；
Waveform generator generates the square wave of preset frequency after being set, generated square wave driving infrared transmitting tube D1 is outside
Issue the infrared signal of preset frequency；
Infrared receiving tube D2 receives infrared signal and is sent to phase-locked loop circuit, and phase-locked loop circuit comparison receives red
Whether outer optical signal frequency is consistent with preset frequency, exports trigger signal to MCU module if consistent；
MCU module detects that trigger signal then determines to detect reaction cup.
In the embodiment of the present invention, transmitting and its frequency of received infrared signal can according to the demand in practical application into
Row is preset, and is allowed to meet currently used environment, is avoided the transmitting of infrared signal and is received the interference by ambient light, makes
At erroneous judgement, instrument normal use is influenced.
Preferably, the embodiment of the present invention can also include the signal being set between infrared receiving tube D2 and phase-locked loop circuit
Amplifier；Infrared receiving tube D2 receives infrared signal and is sent to phase-locked loop circuit after signal amplifier amplifies.
The advantage of doing so is that the infrared signal for receiving infrared receiving tube D2 is passed to phaselocked loop electricity again after signal amplifies
Lu Zhong avoids the accuracy of infrared signal too minor way follow-up signal treatment process.
The embodiment of the present invention to waveform generator without limitation, it is preferred that as shown in Figure 1, the waveform generator can be with
Including 555 time base circuits, resistance R1, resistance R2, resistance R3, capacitor C1；555 time base circuits be provided with the end VCC, the end GND, the end R,
The end CV, the end TR, the end Q, the end DC, the end TH；The end VCC is connect with power end, and the end R is connect with the end VCC, the end CV ground connection, the end TR and C1's
The first end of first end connection, the end Q and R3 connect, and the first end of the end DC and R1 connect, and the first end of TH and C1 connect；The of R2
One end is connect with the end VCC, and the second end of R2 and the first end of R1 connect；The second end of R1 and the first end of C1 connect；The of C1
Two ends ground connection；The second end of R3 is connect with the anode of infrared transmitting tube D1；The cathode of infrared transmitting tube D1 is grounded.Preferably, may be used
To make waveform generator generate the square wave of preset frequency by the setting of the value to R1, R2, C1.
The embodiment of the present invention to signal receiving module without limitation, it is preferred that as shown in Fig. 2, the signal receiving module
It further include resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, capacitor C2, capacitor C3；The phase-locked loop circuit is CD4046
Phase-locked loop circuit is provided with the end COMPIN, the end VCOIN, the end SIGIN, the end CX1, the end CX2, the end INH, the end R1, the end PP, PC2OUT
End, the end VCOOUT；The signal amplifier is provided with non-inverting input terminal, inverting input terminal, output end；The first end and VCC of R6
End connection, the second end of R6 and the non-inverting input terminal of signal amplifier connect；The plus earth of infrared receiving tube D2, infrared receiver
The cathode of pipe D2 and the second end of R6 connect；The inverting input terminal of signal amplifier and the first end of R7 connect, signal amplifier
Output end and phase-locked loop circuit the end SIGIN connect；The second end of R7 is grounded；The first end of R8 and the reverse phase of signal amplifier
Input terminal connection, the second end of R8 and the end SIGIN of phase-locked loop circuit connect；The end COMPIN is connect with the end VCOOUT, the end VCOIN
Connect with the first end of C3, the connection of the first end of the end CX1 and C2, the second end of the end CX2 and C2 connect, the end INH ground connection, the end R1 with
The first end of R4 connects, and the end PP is connect with MCU module, the first end connection of the end PC2OUT and R5；The second end of R4 is grounded；R5's
Second end and the first end of C3 connect；The second end of C3 is grounded.Preferably, phaselocked loop can be kept electric by the setting to C2, R4
The reference frequency on road is the preset frequency, if phase-locked loop circuit compares the frequency and itself base of the infrared signal received
Quasi- frequency is consistent, can export trigger signal by the end PP.
In above-mentioned specific embodiment one, reaction cup detection jamproof system, corresponding, the application are provided
The application method of reaction cup detection jamproof system is also provided.Since embodiment of the method is substantially similar to system embodiment, so
Describe fairly simple, related place illustrates referring to the part of system embodiment.Embodiment of the method described below is only
It is schematical.
Specific embodiment two
As shown in figure 3, the embodiment of the invention provides the reaction cups in a kind of specific embodiment one to detect jamproof system
Application method, comprising:
Step of transmitting S101, waveform generator generate the square wave of preset frequency after being set, generated square wave driving is red
Outer transmitting tube D1 sends out the infrared signal of preset frequency；
Receiving step S102, infrared receiving tube D2 receive infrared signal and are sent to phase-locked loop circuit；
Step S103 is compared, phase-locked loop circuit compares the infrared signal frequency received and whether preset frequency is consistent,
Trigger signal is exported to MCU module if consistent；
Determination step S104, MCU module detect that trigger signal then determines to detect reaction cup.
Preferably, before the step of transmitting S101, it can also include: initial step, waveform generator is configured, make
Its square wave for generating preset frequency；Phase-locked loop circuit is configured, the reference frequency preset frequency for making it be used to compare.
In the embodiment of the present invention, transmitting and its frequency of received infrared signal can according to the demand in practical application into
Row is preset, and is allowed to meet currently used environment, is avoided the transmitting of infrared signal and is received the interference by ambient light, makes
At erroneous judgement, instrument normal use is influenced.
Preferably, the initial step, can be with specifically: the value of R1, R2, C1 of waveform generator is configured,
Waveform generator is set to generate the square wave of preset frequency；The value of C2, R4 of phase-locked loop circuit are configured, phase-locked loop circuit is made
Reference frequency for comparison is preset frequency.
Preferably, in the initial step, the value of R2 can be 2.88k Ω, and the value of R1 can be 68k Ω, C1's
Value can be 1nF；The value of C2 can be 20pF, and the value of R4 can be 20M Ω.
Preferably, the initial step can also include: to be configured to the value of R3, R6, R7, R8, R5, C3: R3's
Value is 200 Ω；The value of R6 is 10k Ω, and the value of R7 is 10k Ω, and the value of value Ei the 10k Ω, R5 of R8 are 10k Ω,
The value of C3 is 1nF.
Preferably, the receiving step S102, can be with specifically: infrared receiving tube D2 receives infrared signal simultaneously by letter
Number amplifier is sent to phase-locked loop circuit after amplifying.
The present invention is from using in purpose, and in efficiency, the viewpoints such as progressive and novelty are illustrated, the practical progress having
Property, oneself meets the function that Patent Law is emphasized and promotes and use important document, and more than the present invention explanation and attached drawing are only of the invention
Preferred embodiment and oneself, the present invention is not limited to this, therefore, it is all constructed with the present invention, device, wait the approximations, thunder such as levy
With, i.e., all according to equivalent replacement made by present patent application range or modification etc., the patent application that should all belong to of the invention is protected
Within the scope of shield.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Although present invention has been a degree of descriptions, it will be apparent that, in the item for not departing from the spirit and scope of the present invention
Under part, the appropriate variation of each condition can be carried out.It is appreciated that the present invention is not limited to the embodiments, and it is attributed to right and wants
The range asked comprising the equivalent replacement of each factor.It will be apparent to those skilled in the art that can as described above
Various other corresponding changes and deformation are made in technical solution and design, and all these change and deformation is all answered
Within this is belonged to the protection scope of the claims of the invention.
Claims (10)
1. a kind of reaction cup detects jamproof system, which is characterized in that including signal emission module, signal receiving module, MCU mould
Block, in which:
Signal emission module includes the waveform generator being linked in sequence, infrared transmitting tube；
Signal receiving module includes the infrared receiving tube being linked in sequence, phase-locked loop circuit；
Infrared receiving tube can receive the infrared signal of infrared transmitting tube transmitting；
Phase-locked loop circuit is connect with MCU module；
Waveform generator generates the square wave of preset frequency after being set, generated square wave driving infrared transmitting tube sends out pre-
Determine the infrared signal of frequency；
Infrared receiving tube receives infrared signal and is sent to phase-locked loop circuit, and phase-locked loop circuit compares the infrared light letter received
Whether number frequency and preset frequency are consistent, export trigger signal to MCU module if consistent；
MCU module detects that trigger signal then determines to detect reaction cup.
2. reaction cup according to claim 1 detects jamproof system, which is characterized in that the waveform generator includes
555 time base circuits, resistance R1, resistance R2, resistance R3, capacitor C1；
555 time base circuits are provided with the end VCC, the end GND, the end R, the end CV, the end TR, the end Q, the end DC, the end TH；The end VCC and power end connect
It connects, the end R is connect with the end VCC, the end CV ground connection, and the first end of the end TR and C1 connect, and the first end of the end Q and R3 connect, the end DC and R1
First end connection, the first end of TH and C1 connects；
The first end of R2 is connect with the end VCC, and the second end of R2 and the first end of R1 connect；
The second end of R1 and the first end of C1 connect；
The second end of C1 is grounded；
The second end of R3 and the anode of infrared transmitting tube connect；
The cathode of infrared transmitting tube is grounded.
3. reaction cup according to claim 1 or 2 detects jamproof system, which is characterized in that further include be set to it is infrared
Signal amplifier between reception pipe and phase-locked loop circuit；
Infrared receiving tube receives infrared signal and is sent to phase-locked loop circuit after signal amplifier amplifies.
4. reaction cup according to claim 3 detects jamproof system, which is characterized in that the signal receiving module also wraps
Include resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, capacitor C2, capacitor C3；
The phase-locked loop circuit is CD4046 phase-locked loop circuit, is provided with the end COMPIN, the end VCOIN, the end SIGIN, the end CX1, CX2
End, the end INH, the end R1, the end PP, the end PC2OUT, the end VCOOUT；
The signal amplifier is provided with non-inverting input terminal, inverting input terminal, output end；
The first end of R6 is connect with the end VCC, and the second end of R6 and the non-inverting input terminal of signal amplifier connect；
The plus earth of infrared receiving tube, the cathode of infrared receiving tube and the second end of R6 connect；
The inverting input terminal of signal amplifier and the first end of R7 connect, the output end of signal amplifier and phase-locked loop circuit
The connection of the end SIGIN；
The second end of R7 is grounded；
The first end of R8 and the inverting input terminal of signal amplifier connect, and the second end of R8 and the end SIGIN of phase-locked loop circuit connect
It connects；
The end COMPIN is connect with the end VCOOUT, the first end connection of the end VCOIN and C3, and the first end of the end CX1 and C2 connect, CX2
End is connect with the second end of C2, the end INH ground connection, and the first end of the end R1 and R4 connect, and the end PP is connect with MCU module, the end PC2OUT
It is connect with the first end of R5；
The second end of R4 is grounded；
The second end of R5 and the first end of C3 connect；
The second end of C3 is grounded.
5. a kind of application method of the described in any item reaction cup detection jamproof systems of claim 1-4, which is characterized in that packet
It includes:
Step of transmitting, waveform generator generate the square wave of preset frequency after being set, generated square wave drives infrared transmitting tube
Send out the infrared signal of preset frequency；
Receiving step, infrared receiving tube receive infrared signal and are sent to phase-locked loop circuit；
Step is compared, phase-locked loop circuit compares the infrared signal frequency received and whether preset frequency is consistent, if unanimously
Trigger signal is then exported to MCU module；
Determination step, MCU module detect that trigger signal then determines to detect reaction cup.
6. the application method of reaction cup detection jamproof system according to claim 5, which is characterized in that the transmitting step
Before rapid, further includes:
Initial step is configured waveform generator, it is made to generate the square wave of preset frequency；Phase-locked loop circuit is set
It sets, the reference frequency preset frequency for making it be used to compare.
7. the application method of reaction cup detection jamproof system according to claim 6, which is characterized in that the initial step
Suddenly, specifically:
The value of R1, R2, C1 of waveform generator are configured, waveform generator is made to generate the square wave of preset frequency；
The value of C2, R4 of phase-locked loop circuit are configured, make phase-locked loop circuit for comparison reference frequency make a reservation for frequently
Rate.
8. the application method of reaction cup detection jamproof system according to claim 7, which is characterized in that the initial step
In rapid, the value of R2 is 2.88k Ω, and the value of R1 is 68k Ω, and the value of C1 is 1nF；The value of C2 is 20pF, the value of R4
For 20M Ω.
9. the application method of reaction cup detection jamproof system according to claim 8, which is characterized in that the initial step
Suddenly, further includes:
The value of R3, R6, R7, R8, R5, C3 are configured:
The value of R3 is 200 Ω；
The value of R6 is 10k Ω, and the value of R7 is 10k Ω, and the value of value Ei the 10k Ω, R5 of R8 are 10k Ω, the value of C3
For 1nF.
10. according to the application method of the described in any item reaction cup detection jamproof systems of claim 5-9, which is characterized in that
The receiving step, specifically:
Infrared receiving tube receives infrared signal and is sent to phase-locked loop circuit after signal amplifier amplifies.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112213977A (en) * | 2020-10-10 | 2021-01-12 | 东莞永冠电子科技有限公司 | Anti-interference infrared induction circuit |
| CN115657151A (en) * | 2022-12-22 | 2023-01-31 | 钛玛科（北京）工业科技有限公司 | Infrared correlation detection circuit and infrared sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112213977A (en) * | 2020-10-10 | 2021-01-12 | 东莞永冠电子科技有限公司 | Anti-interference infrared induction circuit |
| CN115657151A (en) * | 2022-12-22 | 2023-01-31 | 钛玛科（北京）工业科技有限公司 | Infrared correlation detection circuit and infrared sensor |
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Application publication date: 20190409 |