CN104368403B - A kind of Biohazard Safety Equipment ultraviolet lamp linkage controller and its control method - Google Patents
A kind of Biohazard Safety Equipment ultraviolet lamp linkage controller and its control method Download PDFInfo
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- CN104368403B CN104368403B CN201310353539.0A CN201310353539A CN104368403B CN 104368403 B CN104368403 B CN 104368403B CN 201310353539 A CN201310353539 A CN 201310353539A CN 104368403 B CN104368403 B CN 104368403B
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- magnetic switch
- ultraviolet lamp
- cabinet door
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Abstract
A kind of Biohazard Safety Equipment ultraviolet lamp linkage controller and its control method, at least two spacing including being arranged in cabinet door and sliding rail are more than the magnetic switch of operating distance, the control circuit being opened and closed by at least two magnetic switch coordinated signals ultraviolet lamp being connect with magnetic switch, control circuit includes connecting the relay of ultraviolet violet light switch, the microcontroller being connect with relay, the input terminal of microcontroller is connect with the output end of an AND gate circuit, the input terminal of AND gate circuit is separately connected at least two magnetic switch, when at least two magnetic switch being arranged in cabinet door and doorframe corresponding tongue tube and permanent magnet position to it is corresponding when signal is sent to the AND gate circuit being connected, when AND gate circuit receives the signal that all magnetic switch are sent, signal is sent to microcontroller, microcontroller controls relay conducting, ultraviolet lamp is opened；If AND gate circuit does not receive the signal of any one magnetic switch transmission, microcontroller controls relay and disconnects, and ultraviolet lamp is closed.
Description
Technical field
The present invention relates to Biohazard Safety Equipment fields, and in particular to a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller and its control
Method processed.
Background technology
Biohazard Safety Equipment is that have infective experiment material for operation primary culture, bacterium strain and diagnostic sample etc.
It, can during so that it is avoided exposure to aforesaid operations for protecting operator, laboratory environment and experiment material when material
Can generate infectious aerosol and spatters and design.
Biohazard Safety Equipment is widely used in health care, disease prevention and control, food hygiene, bio-pharmaceuticals, environment prison
The fields such as survey and different kind organism laboratory, are the important foundations for ensureing bio-safety and Environmental security, belong to " people's livelihood " metering
Scope.Before 30 years, Biohazard Safety Equipment detection is carried out in foreign countries, at present the standard of Main Basiss European Union or the U.S..
At home, there is presently no unified Biohazard Safety Equipments to detect national standard, and Biohazard Safety Equipment detection method is very chaotic, existing
The standard of the Ministry of Construction, and have the standard of Bureau of Drugs Supervision, also use the company standard of EU criteria, Unite States Standard or each factory
's.
Chinese invention patent prospectus CN101125304A discloses a kind of outer rotor for biological experiment operating
Fan type fully ventilating biology safety cabinet.It include upper cabinet body part, purification workspace portion, operation console part, holder part and
Electrical control part, upper cabinet body are partially installed in holder part, and forward upper cabinet body part internal upper part is purification workspace portion
Point, lower part is operation console part, and electrical control part is located inside upper cabinet body part and purification workspace portion, the upper cabinet
Body portion top is provided with negative pressure packet portion rearward；The sealing of its blasting high-efficiency filter and exhaust-air filter is all made of two-sided pressure
Compact form seals, and intermediate exposed part is in a negative pressure region and zero-pressure region, it is ensured that the clean workspace of Biohazard Safety Equipment
Domain ne-leakage pollution and pollution air are not discharged to the outside；Buckle device, front and back seal cover board, high efficiency filter are compressed using filter
Device jacks up formula structure, so that structure design had both been taken into account complete machine leakproofness, operates steadily, and so that replacement is sent, air draft high efficiency particulate air filter
Easy, safety.
However, although above-mentioned Biohazard Safety Equipment in the prior art has air-exhausting function, during being use, it is only
It can be controlled according to the judgement of the working condition and off working state of system both states, and in the temporary open and close of staff
It can not achieve judgement control when cabinet door, causing Biohazard Safety Equipment, air draft works incessantly, causes electric power resource
Waste, is also unfavorable for energy conservation and environmental protection.
Existing Biohazard Safety Equipment is required to configuration ultraviolet lamp, it not only has certain illumination functions, main or tool
There are biocidal efficacies, helps to maintain experimental situation.Such as Chinese utility model patent specification（Authorization Notice No.：CN2684924Y）
Disclose a kind of Biohazard Safety Equipment with flow control and recirculating air filter service life supervision.It by bottom bracket, babinet,
Working chamber, glass door, front panel, wind turbine, discharge filter, door motor, recirculating air filter, lighting source, ultraviolet lamp, liquid
Tracheae pipeline joint, detachable prefilter, floor push interface, air flow channel, vacuum table, regulator composition, feature exist
In, cast out vacuum table, regulator, sensor is equipped on the inner wall of air flow channel, plate lower end is equipped with control panel in front,
Wiring board and corresponding software are equipped with behind control panel.
But the ultraviolet lamp of existing Biohazard Safety Equipment is required to be switched by manual operation, seldom exists according to life
The actual use situation of object safety cabinet, in particular according to cabinet door opening and closing the case where carry out automatically controlling.
The method automatically controlled mostly uses in ultraviolet lamp unlatching control and mostly uses the control of contact travel switch or single-point magnetic
Control switch control open, in practical operation often because travel switch for a long time use and fatigue causes poor contact or magnetic
Control position of the switch deviation is difficult to find that location point etc. is bad, causes control ultraviolet lamp to be turned on and off ultraviolet lamp exception, is being not required to
Also ultraviolet lamp is opened when wanting, and causes the injury to human body.In terms of single coordinated signals ultraviolet lamp, performance and safety all
Be difficult to realize 100% to user security.
The present invention proposes based on the above issues.
Invention content
Coordinated signals ultraviolet lamp unlatching can be carried out the object of the present invention is to provide a kind of by the opening and closing of cabinet door
With the ultraviolet lamp controller of the Biohazard Safety Equipment of closing.
It is a further object of the present invention to provide a kind of control methods for capableing of above controller.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of Biohazard Safety Equipment ultraviolet lamp coordinated signals
Device, it is characterised in that：Connect including at least two magnetic switch being arranged in cabinet door and sliding rail and with magnetic switch by
The control circuit of at least two magnetic switch coordinated signals ultraviolet lamp opening and closing.
The control circuit includes connecting the relay of ultraviolet violet light switch, the microcontroller being connect with relay, the monolithic
Machine is connected with an AND gate circuit, and two input terminals of the AND gate circuit are separately connected the first magnetic switch and the 4th magnetic control is opened
It closes.
The magnetic switch include be arranged cabinet door least significant end the 4th magnetic switch and be arranged the first of cabinet door side
Magnetic switch, any magnetic switch include permanent magnet and tongue tube two parts.
The tongue tube of 4th magnetic switch is arranged on the horizontal slide rail of cabinet door doorframe, the 4th magnetic switch
Permanent magnet is arranged on the lower edge position corresponding with tongue tube of cabinet door.
The tongue tube of first magnetic switch is arranged on the upright slide rail of cabinet door doorframe, first magnetic switch
Permanent magnet is arranged on the vertical lateral edges position corresponding with tongue tube of cabinet door.
When cabinet door declines, when the tongue tube and permanent magnet of the 4th magnetic switch are corresponding, the 4th magnetic switch is sent out
Signal is to AND gate circuit；When the tongue tube and permanent magnet of first magnetic switch are corresponding, the first magnetic switch sends signal
To AND gate circuit.
When the AND gate circuit receives the signal that the 4th magnetic switch and the first magnetic switch are sent simultaneously, sent out to microcontroller
The number of delivering letters, microcontroller control relay conducting, and the ultraviolet violet light switch being connected with relay is closed, and ultraviolet lamp lights.
The AND gate circuit does not receive one or two of the signal that the 4th magnetic switch and the first magnetic switch are sent
When, the signal that microcontroller sending filter disconnects, the ultraviolet violet light switch being connected with relay disconnects, and ultraviolet lamp extinguishes.
The magnetic switch further include combine be arranged in cabinet door and sliding rail be located at the second magnetic switch of cabinet door upper end and
The third magnetic switch of vertical side arbitrary height.
A kind of control method of Biohazard Safety Equipment ultraviolet lamp linkage controller, it is described to be arranged in cabinet door and doorframe at least
Two magnetic switch corresponding tongue tube and permanent magnet position to it is corresponding when to the AND gate circuit being connected send signal, when with
When gate circuit receives the signal that all magnetic switch are sent, phase microcontroller sends signal, microcontroller control and ultraviolet violet light switch phase
Relay conducting is connected, ultraviolet lamp is opened；If AND gate circuit does not receive the signal that any magnetic switch is sent, microcontroller control
The relay being connected with ultraviolet violet light switch disconnects, and ultraviolet lamp is closed.
Beneficial effects of the present invention are as follows：
The ultraviolet lamp linkage controller of the present invention more increases bio-safety cabinet door at 2 points using or polymarker method
The test point being closed completely, in this way under conditions of 2 points or polymarker, detection cabinet door whether completely close, it is complete in cabinet door
Ultraviolet lamp is opened in the case of contract fully, in such manner, it is possible to avoid in practical operation often because travel switch uses for a long time
And fatigue causes poor contact or magnetic switch position deviation to be difficult to find that location point etc. is bad, and control ultraviolet lamp is caused to open
Or ultraviolet lamp exception is closed, ultraviolet lamp is also opened when unwanted, causes the injury to human body.Single coordinated signals are purple
Outer lamp, be all difficult to realize in terms of performance and safety 100% to user security.
Description of the drawings
Fig. 1：The control circuit of the ultraviolet lamp coordinated signals of Biohazard Safety Equipment in the present invention
Specific implementation mode
A kind of ultraviolet lamp controller of Biohazard Safety Equipment of the present invention is described in detail below in conjunction with the accompanying drawings：
The present invention a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller, including be arranged in cabinet door and sliding rail at least two
A magnetic switch and the control being opened and closed by at least two magnetic switch coordinated signals ultraviolet lamp being connect with magnetic switch
Circuit.As shown in Figure 1, control circuit includes connecting the relay of ultraviolet violet light switch, the microcontroller being connect with relay, microcontroller
It is connected with an AND gate circuit, two input terminals of AND gate circuit are separately connected the first magnetic switch and the 4th magnetic switch.With door
Circuit, that is, input signal it is all 1 when, circuit is just connected, and signal is passed to next circuit by AND gate circuit output signal, in this way
If signal is 0 there are one in input signal, AND gate circuit does not have output signal.
Air line distance between magnetic switch will be more than the operating distance of magnetic switch, i.e. the tongue tube of magnetic switch and forever
The distance of reaction of magnet does not interfere with the judgement to cabinet door closed state in this way.
Magnetic switch include be arranged cabinet door least significant end the 4th magnetic switch and the first magnetic control in cabinet door side is set
Switch, any magnetic switch includes permanent magnet and tongue tube two parts.The tongue tube of 4th magnetic switch is arranged in cabinet door door
On the horizontal slide rail of frame, the permanent magnet of the 4th magnetic switch is arranged in the lower edge position corresponding with tongue tube of cabinet door
On.The tongue tube of first magnetic switch is arranged on the upright slide rail of cabinet door doorframe, and the permanent magnet of first magnetic switch is set
It sets on the vertical lateral edges position corresponding with tongue tube of cabinet door.
When cabinet door declines, when the tongue tube and permanent magnet of the 4th magnetic switch are corresponding, the 4th magnetic switch sends out signal
To AND gate circuit；When the tongue tube and permanent magnet of the first magnetic switch are corresponding, the first magnetic switch is sent a signal to and door electricity
Road.When AND gate circuit receives the signal that the 4th magnetic switch and the first magnetic switch are sent simultaneously, signal is sent to microcontroller, it is single
Piece machine controls relay conducting, and the ultraviolet violet light switch being connected with relay is closed, and ultraviolet lamp lights.AND gate circuit does not receive
When one or two of the signal that four magnetic switch and the first magnetic switch are sent, the letter of microcontroller sending filter disconnection
Number, the ultraviolet violet light switch being connected with relay disconnects, and ultraviolet lamp extinguishes.
The number of magnetic switch can be increased to four, in addition to the first magnetic switch and the 4th magnetic switch, further include
In conjunction with the third magnetic control positioned at the second magnetic switch of cabinet door upper end and vertical side arbitrary height being arranged in cabinet door and sliding rail
Switch.Second magnetic switch is the detection completely open state of cabinet door, and third magnetic switch is one to the first magnetic switch
Reinforce the effect of label.
In the circuit of Biohazard Safety Equipment, the switch of ultraviolet lamp is connected with a relay, the case where relay is connected
Under, ultraviolet violet light switch is closed, and ultraviolet lamp power supply is made to connect, and ultraviolet lamp is bright, carries out sterilization operation.Relay is connected with a microcontroller
It connects, the output pin of microcontroller is connected in the control circuit of relay, and relay is controlled by the output signal of microcontroller
Opening and closing.It is connected beneficial to an AND gate circuit at the input pin of microcontroller, is provided with 2K Ω's between microcontroller and AND gate circuit
Resistance, the in this way signal of control input microcontroller, make microcontroller not influence service life because the electric current in circuit is excessive.
The input terminal of AND gate circuit connects magnetic switch, and the principle of magnetic switch is when the permanent magnet and tongue tube of magnetic switch detect
Contact will have the circuit that an output signal is sent to connection when either closely located, in this way when cabinet door declines,
Match setting tongue tube and permanent magnet contact or detect it is close, can by magnetic switch send a signal A to door electricity
Road.
When the signal A1 and A4 that the first magnetic switch and the 4th magnetic switch are sent are 1, i.e. the first magnetic switch and
4th magnetic switch has output signal, and at this moment cabinet door completely closes, and AND gate circuit will have output signal value, output signal to pass
It is handed in microcontroller, microcontroller controls relay conducting, and the power switch of ultraviolet lamp is closed, and ultraviolet lamp lights.
If either one or two of magnetic switch not to AND gate circuit send signal, microcontroller do not receive with
In the case of the signal that gate circuit is sent, relay conducting cannot be controlled, i.e. ultraviolet lamp power supply disconnects, in this way, ultraviolet lamp is in
Closed state.
The controller of the present invention can also use four point positioning labelling method or multipoint positioning labelling method, be opened in the first magnetic control
A third magnetic switch is installed in the opposite cabinet door side closed, in such manner, it is possible to increase mark point, avoiding cabinet door from tilting, there are seams
Ultraviolet lamp is opened when gap, influences the life security of operator.
One the second magnetic switch is set in the top of cabinet door, this magnetic switch is in the completely open situation of cabinet door
Issue the number of delivering letters.
A kind of control method of Biohazard Safety Equipment ultraviolet lamp linkage controller, at least two be arranged in cabinet door and doorframe
Magnetic switch corresponding tongue tube and permanent magnet position to it is corresponding when to the AND gate circuit being connected send signal, when with door electricity
When road receives the signal that all magnetic switch are sent, phase microcontroller sends signal, and microcontroller control is connected with ultraviolet violet light switch
Relay is connected, and ultraviolet lamp is opened；If AND gate circuit does not receive the signal that any magnetic switch is sent, microcontroller control and purple
The relay that outer lamp switch is connected disconnects, and ultraviolet lamp is closed.
The ultraviolet lamp linkage controller of the present invention more increases bio-safety cabinet door at 2 points using or polymarker method
The test point being closed completely, in this way under conditions of 2 points or polymarker, detection cabinet door whether completely close, it is complete in cabinet door
Ultraviolet lamp is opened in the case of contract fully, in such manner, it is possible to avoid in practical operation often because travel switch uses for a long time
And fatigue causes poor contact or magnetic switch position deviation to be difficult to find that location point etc. is bad, and control ultraviolet lamp is caused to open
Or ultraviolet lamp exception is closed, ultraviolet lamp is also opened when unwanted, causes the injury to human body.Single coordinated signals are purple
Outer lamp, be all difficult to realize in terms of performance and safety 100% to user security.
Embodiment in above-described embodiment is only that the preferred embodiment of the present invention is described, not to the present invention
Conception and scope be defined, under the premise of not departing from design philosophy of the present invention, professional and technical personnel in the art to this
The various changes and modifications that the technical solution of invention is made, all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller, it is characterised in that：Including being arranged in cabinet door and sliding rail at least
Two spacing are more than the magnetic switch of operating distance, and connect with magnetic switch by least two magnetic switch linkage
The control circuit of ultraviolet lamp opening and closing is controlled, the control circuit includes connecting the relay of ultraviolet violet light switch, is connect with relay
Microcontroller, the input terminal of the microcontroller connect with the output end of an AND gate circuit, the input terminal difference of the AND gate circuit
Connect at least two magnetic switch.
2. a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller according to claim 1, it is characterised in that：The magnetic control is opened
Close include at least be arranged cabinet door lowermost end the 4th magnetic switch and the first magnetic switch in cabinet door side, the magnetic are set
Control switch includes permanent magnet and tongue tube two parts.
3. a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller according to claim 2, it is characterised in that：4th magnetic
The tongue tube of control switch is arranged on the horizontal slide rail of cabinet door doorframe, and the permanent magnet of the 4th magnetic switch is arranged in cabinet door
On lower edge position corresponding with tongue tube；The upright slide rail in cabinet door doorframe is arranged in the tongue tube of first magnetic switch
On, the permanent magnet of first magnetic switch is arranged on the vertical lateral edges position corresponding with tongue tube of cabinet door.
4. a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller according to claim 3, it is characterised in that：Cabinet door declines
When, when the tongue tube and permanent magnet of the 4th magnetic switch are corresponding, the 4th magnetic switch sends a signal to AND gate circuit；When
The tongue tube and permanent magnet of first magnetic switch are corresponding, and the first magnetic switch sends a signal to AND gate circuit.
5. a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller according to claim 2, it is characterised in that：The magnetic control is opened
Pass further includes combining what is be arranged in cabinet door and sliding rail to be located at the second magnetic switch of cabinet door upper end and vertical side arbitrary height
Third magnetic switch.
6. a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller according to claim 4, it is characterised in that：It is described electric with door
When road receives the signal of magnetic switch transmission simultaneously, signal is sent to microcontroller, microcontroller controls relay conducting, with relay
The ultraviolet violet light switch being connected is closed, and ultraviolet lamp lights.
7. a kind of Biohazard Safety Equipment ultraviolet lamp linkage controller according to claim 4, it is characterised in that：It is described electric with door
When road does not receive one or two of magnetic switch or three or four signals, the signal that microcontroller sending filter disconnects,
The ultraviolet violet light switch being connected with relay disconnects, and ultraviolet lamp extinguishes.
8. such as a kind of control method of Biohazard Safety Equipment ultraviolet lamp linkage controller in claim 1-7, it is characterised in that：Institute
State be arranged cabinet door and at least two magnetic switch on doorframe corresponding tongue tube and permanent magnet position to it is corresponding when to being connected
The AND gate circuit connect sends signal, and when AND gate circuit receives the signal that all magnetic switch are sent, phase microcontroller sends signal,
Microcontroller controls the contact relay that is connected with ultraviolet violet light switch and is connected, and ultraviolet lamp is opened；If AND gate circuit do not receive any one or
The signal that two or 3 or 4 magnetic switch are sent, then the relay disconnection that microcontroller control is connected with ultraviolet violet light switch,
Ultraviolet lamp is closed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353539.0A CN104368403B (en) | 2013-08-14 | 2013-08-14 | A kind of Biohazard Safety Equipment ultraviolet lamp linkage controller and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353539.0A CN104368403B (en) | 2013-08-14 | 2013-08-14 | A kind of Biohazard Safety Equipment ultraviolet lamp linkage controller and its control method |
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| CN104368403A CN104368403A (en) | 2015-02-25 |
| CN104368403B true CN104368403B (en) | 2018-10-30 |
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| CN201310353539.0A Active CN104368403B (en) | 2013-08-14 | 2013-08-14 | A kind of Biohazard Safety Equipment ultraviolet lamp linkage controller and its control method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104923320B (en) * | 2015-05-21 | 2017-01-11 | 蚌埠市瑞风净化设备工程有限责任公司 | Intelligent biological safety cabinet |
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| CN201356269Y (en) * | 2008-12-24 | 2009-12-09 | 王建钧 | Cabinet with the functions of automatic circulating ventilation and bacteriostasis |
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| CN2034378U (en) * | 1987-11-13 | 1989-03-22 | 霍清明 | Tableware and food disinfecting cupboard with ultraviolet ray |
| US5216782A (en) * | 1991-03-08 | 1993-06-08 | Classic Modular Systems, Inc. | Sash counterbalance leveling device |
| CN2185309Y (en) * | 1993-12-06 | 1994-12-14 | 深圳求是科技开发有限公司 | Full-automatic controller for sliding door opening machine |
| CN2249019Y (en) * | 1995-09-28 | 1997-03-12 | 陆景浩 | Multi-purpose domestic table-ware cabinet |
| CN2647315Y (en) * | 2003-08-14 | 2004-10-13 | 中国石化胜利油田有限公司地球物理勘探开发公司物探仪器管理中心 | Ultraviolet sterilizing lamp automatic controller |
| CN100492226C (en) * | 2005-04-28 | 2009-05-27 | 上海理工大学 | Biological safety cabinet controller |
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| JP2011043307A (en) * | 2009-08-24 | 2011-03-03 | Toshiba Corp | Refrigerator |
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| CN201356269Y (en) * | 2008-12-24 | 2009-12-09 | 王建钧 | Cabinet with the functions of automatic circulating ventilation and bacteriostasis |
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Address after: 266102 Haier Industrial Park, 1 Haier Road, Laoshan District, Qingdao, Shandong. Applicant after: haier group corporation Applicant after: Qingdao Haier Bio Medical Limited by Share Ltd Address before: 266102 Haier Industrial Park, 1 Haier Road, Laoshan District, Qingdao, Shandong. Applicant before: haier group corporation Applicant before: Haier Medical and Laboratory Products Co., Ltd. |
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Effective date of registration: 20190124 Address after: 266555 Haier Industrial Park, Qingdao Economic Development Zone, Shandong Province Patentee after: Qingdao Haier Bio Medical Limited by Share Ltd Address before: 266102 Haier Industrial Park, 1 Haier Road, Laoshan District, Qingdao, Shandong. Co-patentee before: Qingdao Haier Bio Medical Limited by Share Ltd Patentee before: haier group corporation |