CN105891456B - Specimen holder locking system and method - Google Patents
Specimen holder locking system and method Download PDFInfo
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- CN105891456B CN105891456B CN201610346387.5A CN201610346387A CN105891456B CN 105891456 B CN105891456 B CN 105891456B CN 201610346387 A CN201610346387 A CN 201610346387A CN 105891456 B CN105891456 B CN 105891456B
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- specimen holder
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- automatic controller
- electromagnetic coil
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The application provides a kind of specimen holder locking system and method, system includes automatic controller for determining that specimen holder has been inserted into after the guide groove of substrate, locking signal is sent to driving device, and after determining that specimen holder is locked by photoelectric sensor, sends Locked Confirmation signal to driving device；Driving device is used to send the first current signal to electromagnetic coil, and when receiving Locked Confirmation signal, stops sending the first current signal to electromagnetic coil；Electromagnetic coil under the excitation of the first current signal for generating the magnetic force of first direction；The magnetic force that iron core positioned at electromagnetic coil center is used in a first direction drives lower drive lock pin to move to first direction, so that the second through-hole of lock pin insertion specimen holder.Using the embodiment of the present application, when driving device breaks down, the lock state of specimen holder is not influenced, after specimen holder locking, driving device stops to solenoid, so as to save electric energy, extends the service life of electromagnetic coil.
Description
Technical field
This application involves the field of medical instrument technology more particularly to a kind of specimen holder locking system and methods.
Background technique
In blood coagulation tester, it is common to use the specimen holder of drawing and pulling type is to hold sample, when specimen holder insertion blood coagulation test
When in instrument, need to lock the specimen holder.In the prior art, pass through unidirectional locked with electromagnet specimen holder, i.e. specimen holder
After in the substrate of insertion blood coagulation tester, automatic controller, which needs to control power module and provides to the unidirectional electromagnet, to be continued
Current signal lock specimen holder.However, when power module breaks down suddenly during providing current signal, specimen holder
It can not lock, also, can just specimen holder be made to lock if unidirectional electromagnet needs to be powered for a long time, can also waste electric energy, together
When, unidirectional electromagnet premature aging is also resulted in, the service life of unidirectional electromagnet is reduced, to increase the dimension of blood coagulation tester
Protect cost.
Summary of the invention
In view of this, the application provides a kind of specimen holder locking system and method, it may to solve existing lock mode
It will appear the problem of specimen holder can not lock.
According to the embodiment of the present application in a first aspect, provide a kind of specimen holder locking system, the system comprises: automatic control
Device, driving device, photoelectric sensor, electromagnetic coil, iron core, lock pin, specimen holder and substrate processed, the automatic controller point
It is not electrically connected with the driving device and the photoelectric sensor, the electromagnetic coil is electrically connected with the driving device, described
Iron core is located at the center of the electromagnetic coil, and one end of the iron core corresponds to the photoelectric sensor, the other end with it is described
One end of lock pin connects, and the other end of the lock pin is located in the first through hole of the substrate, the upper table of the substrate
Face is contacted with the specimen holder, and the substrate is provided with guide groove, and the specimen holder is provided with the second through-hole, second through-hole
It is corresponding with the position of the first through hole；Wherein,
The automatic controller, after determining that the specimen holder has been inserted into the guide groove of the substrate, to the drive
Dynamic device sends locking signal, and after determining that the specimen holder is locked by the photoelectric sensor, to the driving
Device sends Locked Confirmation signal；
The driving device is used to send the first current signal to the electromagnetic coil, and works as and receive the locking
When confirmation signal, stop sending the first current signal to the electromagnetic coil；
The electromagnetic coil, for generating the magnetic force of first direction under the excitation of first current signal；
The iron core, for driving the lock pin to move to first direction in the case where the magnetic force of the first direction drives,
So that the lock pin is inserted into second through-hole.
According to the second aspect of the embodiment of the present application, a kind of specimen holder locking means are provided, which comprises
After determining that specimen holder has been inserted into the guide groove of substrate by automatic controller, locking letter is sent to driving device
Number；
The driving device sends the first current signal to electromagnetic coil；
The electromagnetic coil generates the magnetic force of first direction under the excitation of first current signal；
Iron core positioned at the electromagnetic coil center drives lock pin to first in the case where the magnetic force of the first direction drives
Direction movement, so that in the second through-hole of lock pin insertion specimen holder；
After the automatic controller determines that the specimen holder is locked by photoelectric sensor, sent out to the driving device
Send Locked Confirmation signal；
The driving device stops sending the first electric current to the electromagnetic coil when receiving the Locked Confirmation signal
Signal.
Using the embodiment of the present application, the lock state of specimen holder is not influenced in the case of driving device breaks down, by
It does not need to continue to send the first current signal to electromagnetic coil under specimen holder lock state in driving device, so as to
Electric energy is saved, and the service life of electromagnetic coil can also be extended, reduces the maintenance cost of blood coagulation tester.
Detailed description of the invention
Figure 1A is a kind of the application cut-away section structure of specimen holder locking system shown according to an exemplary embodiment
Figure；
Figure 1B is the three-dimensional structure diagram of system shown in Figure 1A；
Fig. 1 C is the structure chart of the two-way Self-retaining electromagnet device in Figure 1A illustrated embodiment；
Fig. 1 D is specimen holder lock state cut-away section structure chart in Figure 1A illustrated embodiment；
Fig. 1 E is the connection relationship structure chart of the lock pin and iron core in Figure 1A illustrated embodiment；
Fig. 1 F is specimen holder unlocked state cut-away section structure chart in Figure 1A illustrated embodiment；
Fig. 2 is a kind of the application embodiment flow chart of specimen holder locking means shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the application range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
Figure 1A is a kind of the application cut-away section structure of specimen holder locking system shown according to an exemplary embodiment
Figure, Figure 1B are the three-dimensional structure diagram of system shown in Figure 1A, and Fig. 1 C is the two-way Self-retaining electromagnet dress in Figure 1A illustrated embodiment
The structure chart set, in conjunction with shown in Figure 1A, 1B and 1C, which may include: automatic controller 10, driving device 20, photoelectricity
Sensor 30, electromagnetic coil 401, iron core 402, lock pin 50, specimen holder 60 and substrate 70, automatic controller 10 can be distinguished
It being electrically connected with driving device 20 and photoelectric sensor 30, electromagnetic coil 401 can be electrically connected with driving device 20, and iron core 402
Photoelectric sensor 30 can be corresponded in the one end at the center of electromagnetic coil 401, and iron core 402, the other end can be with lock pin
The other end of 50 one end connection, lock pin 50 can be located in the first through hole of substrate 70, the upper surface of substrate 70 and sample
Frame 60 contacts, and substrate 70 is provided with guide groove, and specimen holder 60 is provided with the second through-hole, the position phase of the second through-hole and first through hole
It is corresponding.
Wherein, automatic controller 10 is determined for specimen holder 60 and has been inserted into after the guide groove of substrate 70, to driving
Device 20 sends locking signal, in addition, after automatic controller 10 determines that specimen holder 60 is locked by photoelectric sensor 30, it can
To send Locked Confirmation signal to driving device 20；
Driving device 20 can be used for sending the first current signal to electromagnetic coil 401, in addition, when driving device 20 receives
When to Locked Confirmation signal, stop sending the first current signal to electromagnetic coil 401；
Electromagnetic coil 401 can be used under the excitation of the first current signal, generate the magnetic force of first direction；
Iron core 402, which can be used for magnetic force in a first direction, to be driven down, and lock pin 50 is driven to move to first direction, so that
Lock pin 50 is inserted into the second through-hole.
In cross sectional portion shown in figure 1A, lock pin 50 during exercise, wears the first through hole of substrate 70 in order to prevent
Inner surface, the preferable axle sleeve of wear-resisting property can be set in first through hole.In order to make lock pin 50 be inserted into specimen holder 60
After in second through-hole, it can achieve the purpose that accurate lock specimen holder 60, it can be by adjusting lock pin 50 and the second through-hole
Size, such as: the outer diameter of lock pin 50 can be 5 millimeters, and the diameter of the second through-hole can be 6 millimeters, thus lock pin 50
It can be easily plugged into the second through-hole, correspondingly, the diameter of first through hole can be 7 millimeters, the thickness of axle sleeve can be 1 milli
Rice, the outer diameter of axle sleeve are 7 millimeters, and internal diameter is 5 millimeters, thus, lock pin 50 can be located in axle sleeve just.
It should be noted that electromagnetic coil 401 and iron core 402 are located at the two-way Self-retaining electromagnet device 40 in Figure 1A
In.
Further, two-way Self-retaining electromagnet device 40 can also include permanent magnet 403, driving device 20 stop to
After electromagnetic coil 401 sends the first current signal, permanent magnet 403 can keep the position of iron core 402 motionless, make specimen holder 60
It is constantly in lock state.
Based on foregoing description it is found that since automatic controller 10 is when determining that specimen holder 60 is locked, to driving device 20
Locked Confirmation signal is sent, driving device 20 stops sending the first current signal to electromagnetic coil 401 immediately, at this time specimen holder 60
It has been be locked that, even if the lock state of specimen holder 60 is nor affected in the case of driving device 20 breaks down, due to driving
Device 20 does not need to continue to send the first current signal to electromagnetic coil 401 under 60 lock state of specimen holder, so as to
To save electric energy, extends the service life of electromagnetic coil 401, reduce the maintenance cost of blood coagulation tester.
In one embodiment, Fig. 1 D is specimen holder lock state cut-away section structure chart in Figure 1A illustrated embodiment, is such as schemed
Shown in 1D, photoelectric sensor 30 may include photophore and light receiving device, wherein photophore can be used for emitting to penetrating light；It receives
Light device can be used for the magnetic force of iron core 402 in a first direction drive it is lower moved to first direction after, receive this to penetrating light simultaneously
The first level signal is generated, and the first level signal is sent to automatic controller 10, automatic controller 10 can be also used for root
Determine that specimen holder 60 is locked according to first level signal.
Wherein, photoelectric sensor 30 can detecte the variation of optical signal, i.e., iron core 402 is between photophore and light receiving device
When, being blocked to penetrating light between photophore and light receiving device, light receiving device is not received to penetrating light, and when iron core 402 is to the
After one direction moves from photoelectric sensor 30, lock pin 50 moves insertion the to first direction under the drive of iron core 402
In two through-holes, what photophore issued is not blocked to penetrating light, and light receiving device is received to light is penetrated, and generates the first level letter immediately
Number (high level), and it is sent to automatic controller 10, so that automatic controller 10 can determine sample according to first level signal
Product frame 60 is locked.Lock pin 50 is inserted into the depth of the second through-hole and iron core 402 does not block pair between photophore and light receiving device
When penetrating light and to penetrating at a distance from light and can be adjusted according to stroke of the iron core 402 in electromagnetic coil 401, such as: when
When stroke of the iron core 402 in electromagnetic coil 401 is 5 millimeters, lock pin 50 is inserted into the depth of the second through-hole (i.e. away from substrate 70
The distance of surface) can be 4 millimeters, at this point, iron core 402 away between photophore and light receiving device to penetrate light on can
Think 3 millimeters.
In one embodiment, which can also include baffle 80, and baffle 80 connect with substrate 70, is provided on baffle 80
Range sensor, range sensor are electrically connected with automatic controller 10；The range sensor can be used for being inserted into when specimen holder 60
In the guide groove of substrate 70, and when with baffle 80 at a distance of pre-determined distance, generates inductive signal and simultaneously feed back to automatic controller 10；From
Movement controller 10 can also determine that specimen holder 60 has been inserted into the guide groove of substrate 70 and has been inserted in place according to the inductive signal.
Wherein, pre-determined distance can be configured according to the detection range of range sensor, such as pre-determined distance can be 2
Centimetre.
In one embodiment, Fig. 1 E is the connection relationship structure chart of the lock pin and iron core in Figure 1A illustrated embodiment, such as
Shown in Fig. 1 E, lock pin 50 can be connect with iron core 402 by snap ring 90.
Specifically, snap ring 90 can be first caught in the buckle 501 of 50 one end of lock pin, then pass through 402 other end of iron core
Be threaded on iron core 402, thus, what iron core 402 and lock pin 50 can be firm links together, and iron core 402 is driving
Lock pin 50 during the motion, the phenomenon that being not in disconnection.
In one embodiment, for another example shown in Figure 1A and Fig. 1 C, which can also include bracket 100, and bracket 100 can be used
In the two-way Self-retaining electromagnet device 40 of fixation.
In one embodiment, which can also include the test device connecting with automatic controller 10, wherein automatic control
Device 10 processed can be also used for after receiving the test confirmation signal for carrying out self-test device, send unlock letter to driving device 20
Number, and after determining that specimen holder 60 unlocked by photoelectric sensor 30, unlock confirmation signal is sent to driving device 20；It drives
Dynamic device 20 can be also used for sending the second current signal to electromagnetic coil 401, in addition, when driving device 20 receives unlock really
When recognizing signal, stop sending the second current signal to electromagnetic coil 401；Electromagnetic coil 401 can be also used for believing in the second electric current
Number excitation under, generate the magnetic force of second direction；Iron core 402 can be also used in the case where the magnetic force of second direction drives, and drive lock
Shotpin 50 is moved to second direction, so that lock pin 50 is detached from the second through-hole.
Wherein, the direction of the second current signal and the first current signal can on the contrary, therefore, what electromagnetic coil 401 generated
The magnetic force of second direction and the magnetic force of first direction are exactly the opposite, and iron core 402 can be in the magnetic force opposing force with first direction
It drives down, lock pin 50 is driven to move in the opposite direction to first party.
Further, then as shown in Figure 1 C, driving device 20 stop to electromagnetic coil 401 send the second current signal it
Afterwards, permanent magnet 403 keeps the position of iron core 402 motionless, and specimen holder 60 is made to be constantly in unlocked state.
Based on the above-mentioned process unlocked about specimen holder 60 it is found that since automatic controller 10 is by controlling driving device
20 send the second current signal to electromagnetic coil 401, so that after specimen holder 60 unlocks, and specimen holder 60 unlocks, driving dress
It sets 20 to stop sending the second current signal to electromagnetic coil 401 immediately, therefore, by the energization for giving 401 short time of electromagnetic coil
The unlock of specimen holder 60 can be realized, so as to avoid specimen holder 60 from unlocking the case where failing.And existing unlocking manner is:
In the locked state, automatic controller control power module stops providing current signal to unidirectional electromagnet specimen holder, unidirectional
The specimen holder unlock realized under the action of the spring force and gravity of electromagnet, since spring dynamics is smaller, often will cause
Specimen holder unlock failure, accidentally makes user think that blood coagulation tester breaks down.
In one embodiment, Fig. 1 F is specimen holder unlocked state cut-away section structure chart in Figure 1A illustrated embodiment, is such as schemed
Shown in 1F, light receiving device can be also used for iron core 402 the magnetic force of second direction drive it is lower moved to second direction after, receive not
To this to light is penetrated, second electrical level signal is generated, and the second electrical level signal is sent to automatic controller 10；Automatic controller
10 can be also used for determining that specimen holder 60 has unlocked according to the second electrical level signal.
Wherein it is determined that the detailed process that unlocks of specimen holder 60 as referring to figure 1E described in embodiment, repeats no more.Only work as iron
After core 402 moves insertion photoelectric sensor 30 to second direction, lock pin 50 is transported under the drive of iron core 402 to second direction
Dynamic to be detached from the second through-hole, what photophore issued is blocked by iron core 402 to penetrating light, and light receiving device is not received to light is penetrated, immediately
Generate second electrical level signal (low level), and be sent to automatic controller 10, thus automatic controller 10 can according to this second
Level signal determines that specimen holder 60 has unlocked.The distance and iron core of the disengaging of lock pin 50 upper surface of second through-hole away from substrate 70
402 block photophore between light receiving device to when penetrating light and this is to penetrate at a distance from light can be according to iron core 402 in electromagnetism
Stroke in coil 401 is adjusted, such as: when stroke of the iron core 402 in electromagnetic coil 401 is 5 millimeters, lock pin 50
It is detached from after the second through-hole, the distance (i.e. away from the distance below 70 upper surface of substrate) of the upper surface away from substrate 70 can be 1 milli
Rice, iron core 402 is away from can be 2 millimeters to the lower section for penetrating light between photophore and light receiving device.
As can be seen from the above embodiments, using technical solution provided by the present application, in the situation that driving device 20 breaks down
Under do not influence the lock state of specimen holder 60, since driving device 20 is not need to continue to electricity under 60 lock state of specimen holder
Magnetic coil 401 sends the first current signal, so as to save electric energy, and can also extend the use of electromagnetic coil 401
Service life reduces the maintenance cost of blood coagulation tester.
Fig. 2 is a kind of the application embodiment flow chart of specimen holder locking means shown according to an exemplary embodiment,
As shown in Fig. 2, the embodiment the following steps are included:
Step 201: after determining that specimen holder has been inserted into the guide groove of substrate by automatic controller, being sent to driving device
Locking signal.
Step 202: driving device sends the first current signal to electromagnetic coil.
Step 203: electromagnetic coil generates the magnetic force of first direction under the excitation of the first current signal.
Step 204: the iron core magnetic force in a first direction positioned at electromagnetic coil center drives down, drives lock pin to first
Direction movement, so that in the second through-hole of lock pin insertion specimen holder.
Step 205: after automatic controller determines that specimen holder is locked by photoelectric sensor, sending and lock to driving device
Determine confirmation signal.
Step 206: driving device stops sending the first electric current letter to electromagnetic coil when receiving Locked Confirmation signal
Number.
It may refer to the correlation of above-mentioned Figure 1A to Fig. 1 F illustrated embodiment for process described in step 201 to step 206
Description, repeats no more.
As can be seen from the above embodiments, using technical solution provided by the present application, in the case of driving device breaks down
The lock state for not influencing specimen holder, since driving device is not need to continue to send out to electromagnetic coil under specimen holder lock state
The first current signal is sent, so as to save electric energy, and the service life of electromagnetic coil can also be extended, reduce blood coagulation
The maintenance cost of tester.
Automatic controller in the embodiment of the present application can be realized according to the design requirement of actual circuit by hardware circuit.Institute
The technical staff in category field can be understood that, for convenience and simplicity of description, the tool of the embodiment of the method for foregoing description
Body running process, can be with reference to the corresponding process in aforementioned system embodiment, and details are not described herein.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-described embodiment can pass through program
Relevant hardware is instructed to complete, program above-mentioned can be stored in a computer readable storage medium, which is holding
When row, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic or disk etc.
The various media that can store program code.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of specimen holder locking system, which is characterized in that the system comprises: automatic controller, driving device, photoelectric sensing
Device, electromagnetic coil, iron core, lock pin, specimen holder and substrate, the automatic controller respectively with the driving device and described
Photoelectric sensor electrical connection, the electromagnetic coil are electrically connected with the driving device, and the iron core is located at the electromagnetic coil
Center, and one end of the iron core corresponds to the photoelectric sensor, and the other end is connect with one end of the lock pin, the lock
The other end of shotpin is located in the first through hole of the substrate, and the upper surface of the substrate is contacted with the specimen holder, the base
Plate is provided with guide groove, and the specimen holder is provided with the second through-hole, and second through-hole is opposite with the position of the first through hole
It answers；Wherein,
The automatic controller fills after determining that the specimen holder has been inserted into the guide groove of the substrate to the driving
Transmission locking signal is set, and after determining that the specimen holder is locked by the photoelectric sensor, to the driving device
Send Locked Confirmation signal；
The driving device is used to send the first current signal to the electromagnetic coil, and works as and receive the Locked Confirmation
When signal, stop sending the first current signal to the electromagnetic coil；
The electromagnetic coil, for generating the magnetic force of first direction under the excitation of first current signal；
The iron core, for driving the lock pin to move to first direction in the case where the magnetic force of the first direction drives, so that
The lock pin is inserted into second through-hole；
The system also includes: baffle；The baffle is connect with the substrate, and range sensor, institute are provided on the baffle
Range sensor is stated to be electrically connected with the automatic controller；Wherein,
The range sensor, for being inserted into the guide groove of the substrate when the specimen holder, with the baffle at a distance of default
Apart from when, generate inductive signal simultaneously feed back to the automatic controller；
The automatic controller is also used to determine that the specimen holder has been inserted into the guide groove of the substrate according to the inductive signal
And it is inserted in place.
2. system according to claim 1, which is characterized in that the photoelectric sensor includes photophore and light receiving device；Its
In,
The photophore, for emitting to penetrating light；
The light receiving device, for the iron core the magnetic force of the first direction drive it is lower moved to first direction after, receive
Described pair is penetrated light and generates the first level signal, and first level signal is sent to the automatic controller；
The automatic controller is also used to determine that the specimen holder is locked according to first level signal.
3. system according to claim 2, which is characterized in that the system also includes what is connect with the automatic controller
Test device；Wherein,
The automatic controller is also used to after receiving the test confirmation signal from the test device, to the drive
Dynamic device sends unlocking signal, and after determining that the specimen holder has unlocked by the photoelectric sensor, to the driving
Device sends unlock confirmation signal；
The driving device is also used to send the second current signal to the electromagnetic coil, and true when receiving the unlock
When recognizing signal, stop sending the second current signal to the electromagnetic coil；
The electromagnetic coil is also used under the excitation of second current signal, generates the magnetic force of second direction；
The iron core is also used in the case where the magnetic force of the second direction drives, and the lock pin is driven to move to second direction, with
The lock pin is set to be detached from second through-hole.
4. system according to claim 3, which is characterized in that
The light receiving device, be also used to the iron core the magnetic force of the second direction drive it is lower moved to second direction after, connect
It can not receive described pair and penetrate light, generate second electrical level signal, and the second electrical level signal is sent to the automatic controller；
The automatic controller is also used to determine that the specimen holder has unlocked according to the second electrical level signal.
5. a kind of specimen holder locking means that can be realized any system of Claims 1 to 4, which is characterized in that the side
Method includes:
After determining that specimen holder has been inserted into the guide groove of substrate by automatic controller, locking signal is sent to driving device；
The driving device sends the first current signal to electromagnetic coil；
The electromagnetic coil generates the magnetic force of first direction under the excitation of first current signal；
Iron core positioned at the electromagnetic coil center drives lock pin to first direction in the case where the magnetic force of the first direction drives
Movement, so that in the second through-hole of lock pin insertion specimen holder；
After the automatic controller determines that the specimen holder is locked by photoelectric sensor, sends and lock to the driving device
Determine confirmation signal；
The driving device stops sending the first electric current letter to the electromagnetic coil when receiving the Locked Confirmation signal
Number.
6. according to the method described in claim 5, it is characterized in that, the photoelectric sensor includes photophore and light receiving device, institute
It states automatic controller and determines that the specimen holder is locked by photoelectric sensor, comprising:
The iron core the magnetic force of the first direction drive it is lower moved to first direction after, the receiver receives described
Photophore emit to penetrating light and generate the first level signal, and first level signal is sent to described automatic
Controller；
The automatic controller determines that the specimen holder is locked according to first level signal.
7. according to the method described in claim 5, it is characterized in that, one end of the substrate is provided with baffle, on the baffle
It is provided with range sensor, it is described to determine that specimen holder has been inserted into the guide groove of substrate by automatic controller, comprising:
In the guide groove that the specimen holder is inserted into the substrate, when with the baffle at a distance of pre-determined distance, the Distance-sensing
Device generates inductive signal and feeds back to the automatic controller；
The automatic controller determines that the specimen holder has been inserted into the guide groove of the substrate and insertion according to the inductive signal
In place.
8. according to the method described in claim 6, it is characterized in that, the method also includes:
The automatic controller sends to the driving device and solves after receiving the test confirmation signal for carrying out self-test device
Lock signal；
The driving device sends the second current signal to the electromagnetic coil；
The electromagnetic coil generates the magnetic force of second direction under the excitation of second current signal；
The iron core drives the lock pin to move to second direction in the case where the magnetic force of the second direction drives, so that described
Lock pin is detached from second through-hole；
After the automatic controller determines that the specimen holder has unlocked by the photoelectric sensor, sent out to the driving device
Send unlock confirmation signal；
The driving device stops sending the second electric current letter to the electromagnetic coil when receiving the unlock confirmation signal
Number.
9. according to the method described in claim 8, it is characterized in that, the automatic controller is determined by the photoelectric sensor
The specimen holder has unlocked, comprising:
The iron core the magnetic force of the second direction drive it is lower moved to second direction after, what the photophore emitted
It is blocked to light is penetrated by the iron core；
The receiver does not receive described pair and penetrates light and generate second electrical level signal, and the second electrical level signal is sent
To the automatic controller；
The automatic controller determines that the specimen holder has unlocked according to the second electrical level signal.
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| CN201610346387.5A CN105891456B (en) | 2016-05-23 | 2016-05-23 | Specimen holder locking system and method |
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| CN108408260B (en) * | 2018-03-19 | 2020-04-10 | 中国科学院物理研究所 | Sample storage locking device |
| CN108873099A (en) * | 2018-08-03 | 2018-11-23 | 广州市安屯尼电子科技有限公司 | A kind of locking detection structure, detection method, mobile power source charging module and mobile power source in place |
| CN109077765A (en) * | 2018-09-12 | 2018-12-25 | 苏州法兰克曼医疗器械有限公司 | A kind of surgical instruments with locked control mechanism |
| CN113053698B (en) * | 2021-04-09 | 2022-02-11 | 燕山大学 | Energy-saving electric locking system based on electric push rod and used for narrow and small space work |
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| CN105891456A (en) | 2016-08-24 |
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