CN107998508A - Magnetic stimulator safety detection device - Google Patents

Magnetic stimulator safety detection device Download PDF

Info

Publication number
CN107998508A
CN107998508A CN201610946347.4A CN201610946347A CN107998508A CN 107998508 A CN107998508 A CN 107998508A CN 201610946347 A CN201610946347 A CN 201610946347A CN 107998508 A CN107998508 A CN 107998508A
Authority
CN
China
Prior art keywords
magnetic stimulator
detection
host
gas
detection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610946347.4A
Other languages
Chinese (zh)
Inventor
王旻
乌东东
李鼓雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MINDTOUCH HIGH TECHNOLOGY Co Ltd
Original Assignee
MINDTOUCH HIGH TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MINDTOUCH HIGH TECHNOLOGY Co Ltd filed Critical MINDTOUCH HIGH TECHNOLOGY Co Ltd
Priority to CN201610946347.4A priority Critical patent/CN107998508A/en
Publication of CN107998508A publication Critical patent/CN107998508A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00Magnetotherapy
    • A61N2/02Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00Magnetotherapy
    • A61N2/004Magnetotherapy specially adapted for a specific therapy
    • A61N2/006Magnetotherapy specially adapted for a specific therapy for magnetic stimulation of nerve tissue

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Neurology (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The present invention proposes a kind of magnetic stimulator anti-explosion detection device, by the way that pernicious gas or dust concentration sensing unit are arranged on inside magnetic stimulator, the monitoring to pernicious gas or dust concentration in magnetic stimulator use environment is realized, avoids the mechanical failure of sensing unit.Further, while accelerating the speed that pernicious gas or dust are spread to magnetic stimulator inside detection zone, also detection zone is cooled down as getter device using the fan inside magnetic stimulator.Meanwhile by being monitored to gas or the increased speed of dust concentration, overcome the systematic error that magnetic stimulator safety detection device monitors pernicious gas or dust concentration.

Description

Magnetic stimulator safety detection device
Technical field
The present invention relates to a kind of transcranial magnetic stimulation instrument, more particularly to a kind of anti-explosion detection device of transcranial magnetic stimulation instrument.
Background technology
Transcranial magnetic stimulation instrument is a kind of painless and noninvasive green treatment method, and the magnetic signal produced through cranium stimulation instrument can be with Cerebral nerve is stimulated through skull undampedly, the stimulation of brains, peripheral nerve muscle are not limited in practical application It is that one kind utilizes pulsed magnetic field action in central nervous system that this technologies of, which can equally be stimulated,(Mainly brain), change skin The film potential of layer nerve cell, is allowed to produce sensing electric current, intracerebral metabolism and neural electrical activity is influenced, so as to cause a series of lifes Manage the Neural stem cell technology of biochemical reaction.
Magnetic stimulator includes host and the handle being inserted on host, when magnetic stimulator works, the transformer meeting of host The high voltage direct current more than 1000V is produced, and is powered to handle, so that the coil in handle produces magnetic field.Magnetic stimulator is usual For hospital environment, and within the hospital there may be potential explosion environment, for example, fuel gas, height that alcohol volatilization produces Concentration oxygen and dust, are likely to form potential hidden peril of explosion in the use environment of magnetic stimulator, if Neural stem cell The high-voltage spark that instrument produces at work appears in such explosion environment, such as is plugged in the handle of stimulation instrument on host The electric spark of generation, is likely to cause explosion accident, causes the injures and deaths and property loss of personnel.In addition, if stimulation instrument Toxic gas caused by occurring pernicious gas, such as some malicious anaesthetic product and special drug container fragmentation in use environment is waved Hair, or oxygen in air and nitrogen generate harmful nitric oxide and nitrogen dioxide gas under the action of high-voltage spark (There are the N ≡ N keys that bond energy is very big, chemical property torpescence, no matter nitrogen all can not in air or in pure oxygen in N2 molecules Fire but N2 and O2 can direct chemical combination:N2+O2=(Spark discharge)2NO, and NO can be obtained with the further chemical combination of O2 in atmosphere NO2:2NO+O2=NO2, in addition:Since nitric oxide carries free radical, this makes its chemical property very active.When it and oxygen After solid/liquid/gas reactions, can be formed with corrosive gas --- nitrogen dioxide(NO2), nitrogen dioxide can be reacted with water generates nitric acid, Equation is:3NO2+H2O==2HNO3+NO), in the case of personnel are unwitting, continue to carry out medical behaviour in this toxic environment Make, then these toxic gases can damage personnel even death, and harmful acids of generation also can be to host inside Equipment causes to corrode.
The content of the invention
The present invention proposes a kind of magnetic stimulator safety detection device, and the magnetic stimulator safety detection device includes detection Mouth, sensing unit, suction unit, processing unit.The detection mouth is arranged on the magnetic stimulator host housing surface, the suction Gas unit and the sensing unit are arranged on inside magnetic stimulator host, and the suction unit is arranged on after the detection mouth, The air that the suction unit accelerates outside magnetic stimulator host is flowed into inside magnetic stimulator host by the detection mouth, described Sensing unit is used to detect the pernicious gas or dust concentration in magnetic stimulator host external environment condition, and detection signal is sent To processing unit.The pernicious gas or dust concentration value is calculated according to the detection signal in the processing unit.
Further, the pernicious gas or dust are toxic, corrosivity or explosive gas or dust, are specifically included Volatile organic matter, nitrogen oxides, oxygen etc..
Further, the magnetic stimulator anti-explosion detection device further includes gas-guide tube, and the gas-guide tube is used to pierce from magnetic Swash the air flowed into inside magnetic stimulator host by the detection mouth outside instrument host to be transported near sensing unit.
Further, there is detection zone, there is the detection zone seal casinghousing will detect inside the magnetic stimulator host Area is isolated with other spaces inside host so that the detection zone relative closure, the suction unit and sensing unit are set In detection zone.
Further, the suction unit is fan, and the fan is arranged on after the detection mouth, and the fan is used for Accelerate the air outside magnetic stimulator host to flow into inside magnetic stimulator host by the detection mouth.Preferably, the fan Rotating speed can control.
Further, the processing unit presets the gas or dust concentration threshold value, when the correlation being calculated passes When sensor parameter exceedes the concentration threshold, the processing unit sends alarm or prompting.
Further, the processing unit presets the gas or the increased rate-valve value of dust concentration, when the gas Or the increased speed of dust concentration has exceeded the rate-valve value, the processing unit sends alarm or prompting.
Further, the magnetic stimulator anti-explosion detection device further includes display unit, the calculating to the processing unit As a result shown.
Pernicious gas or dust concentration sensing unit are arranged on Neural stem cell by the magnetic stimulator anti-explosion detection device of the present invention Inside instrument, the monitoring to pernicious gas or dust concentration in magnetic stimulator use environment is realized, avoids the machine of sensing unit Tool damages.Further, pernicious gas or dust are accelerated and is pierced to magnetic as getter device using the fan inside magnetic stimulator While swashing the speed of detection zone diffusion inside instrument, also detection zone is cooled down.Meanwhile by gas or dust concentration Increased speed is monitored, and is overcome the system that magnetic stimulator safety detection device monitors pernicious gas or dust concentration and is missed Difference.
Brief description of the drawings
Fig. 1 is magnetic stimulator rearview of the present invention;
Fig. 2 is magnetic stimulator sectional view of the present invention;
Wherein, detection hole 1, gas-guide tube 2, fan 3, gas sensor 4, exhaust outlet 5, magnetic stimulator host 6.
Embodiment
The present invention is further described with reference to specific embodiment.
In one embodiment, magnetic stimulator anti-explosion detection device of the invention includes sensing unit, suction unit, processing Unit.The sensing unit is arranged on inside host, dense for detecting pernicious gas in magnetic stimulator internal and external environment or dust Degree, and detection signal is sent to processing unit.The processing unit according to it is described detection signal be calculated pernicious gas or Dust concentration value.The processing unit can be the host-processor of magnetic stimulator, or compact processor, such as monolithic Machine, DSP or MCU units.The data processing module of part intelligence sensor directly can be handled to obtain to detection signal Detection parameters information, therefore processing unit can also be the data processing module of sensor.
Due to pernicious gas or dust concentration of the sensing unit for detecting host external environment condition, if sensing unit set Put in the outer surface of host housing, testing result is more accurate, and also faster, but sensing unit is arranged on outside host detection speed Easily by mechanical failure during shell outer surface, therefore sensing unit is arranged on inside host by the present invention, but is provided in host Internal sensing unit is when detecting the pernicious gas or dust concentration of host external environment condition, due to harmful gas in external environment condition Body or dust concentration cannot be soon diffused into inside equipment, and magnetic stimulator is at work, and host internal temperature is generally high In ambient temperature, therefore host air pressure inside is slightly above ambient air pressure, and sensing unit is arranged on inside host, therefore Outside air is difficult the sensor reached by way of natural diffuseness inside magnetic stimulator, therefore causes detection sensitivity to decline And the result of detection is not allowed.The magnetic stimulator of the present invention includes suction unit, and its role is to accelerate outside magnetic stimulator host The air in portion is to magnetic stimulator host diffusion inside.
In one embodiment, in one embodiment, detection mouth is provided with host housing, is preferably detection hole or inspection Joint measurement, by taking detection hole as an example, in the detection hole that the suction unit is set, for the air outside magnetic stimulator to be sucked detection In hole, sensing unit is arranged in host housing.The timeliness of detection is not only increased using suction unit, may filter out Air agitation(Such as air-conditioner wind, people walks about, thing moves)The measurement brought is inaccurate, improves the accuracy of detection.The air-breathing Unit can be air pump, fan or other air extractors.The suction unit preferably uses fan, and the fan can be with Cooling fan is used for using host inside.
In the current fan solution for needing to cool down equipment inside, in order to be produced as early as possible inside equipment Heat remover apparatus outside, fan is generally arranged near thermovent, if the direction of fan exhaust is to speed up device external Air by thermovent toward equipment diffusion inside, then the dust in extraneous air can be taken to inside equipment, not only heat dissipation effect Rate is low, and reduces the performance of equipment, therefore the direction of its fan exhaust that existing electric appliance is set is to accelerate inside equipment Relatively warm air is discharged to device external from thermovent.And the sensing unit of the present invention needs the dust concentration outside detection device, because This changes the installation site of the radiator fan and direction of rotation so that the discharge directions of the fan are arranged to accelerate outside equipment Air by detection mouth flow into equipment inside.
Referring to Fig. 2, the inside of the magnetic stimulator 6 has a detection zone, the detection zone have seal casinghousing by detection zone and Other spaces are isolated inside host so that the detection zone relative closure, the detection zone have exhaust outlet 5, fan 3, pass Sensor 4, the magnetic stimulator host housing are equipped with detection hole 1, the air outside the magnetic stimulator host from detection hole 1 into Enter inside the magnetic stimulator, and the battery limits are entered by a gas-guide tube 2, the fan 3 is arranged on the gas-guide tube 2 Near at detection zone cage connection, the spin even faster host extraneous air of fan 3 enters detection by detection hole 1, gas-guide tube 2 Area, and flowed out from exhaust outlet 5 outside stimulation instrument host.The detection zone of the relative closure can be prevented effectively from 1 He of detection hole The air that gas-guide tube 2 enters detection zone does not diffuse into other spaces inside stimulation instrument.
In other alternate embodiments, after fan can also be arranged on detection hole, or it is arranged in the middle part of gas-guide tube, It will be understood by those skilled in the art that these alternate embodiments are possible to be arranged to add by the discharge directions of fan Air outside fast equipment flows into the technique effect inside equipment by detection mouth.The effect of gas-guide tube is self-defined to detect Position of the area inside host so that possess more freedom during global design inside magnetic stimulator host.Simpler In embodiment, gas-guide tube can be omitted, and fan is arranged on inside the host after detection hole, and the air outside host can be direct Detection zone is flowed into from detection hole or reaches sensing unit.Therefore, include after suction unit being arranged on detection mouth by suction unit (Such as fan)It is arranged near detection mouth, can also be arranged near the middle part or end of extra gas-guide tube, this area skill Art personnel are appreciated that air pump or vacuum plant can also reach the identical technique effect of fan, realize and accelerate outside equipment Air flows into the purpose inside equipment by detection mouth.
Further, the power setting of the fan is so that the air-flow near sensing unit is in suitable speed, such as Fruit air-flow is too slow, air diffusion velocity deficiency, the sensitivity deficiency of detection, if air-flow is too strong, the result and equipment of detection Outer pernicious gas or dust concentration actual value deviation are larger, be easy to cause wrong report.In one embodiment, the power of suction unit It can adjust, in favor of adjusting the flow velocity of air, such as the rotating speed of fan is controlled.
In one embodiment, the stimulation instrument further includes display unit, such as liquid crystal display, at display unit displaying Pernicious gas or dust concentration value is calculated according to the detection signal in reason unit.
In one embodiment, the processing unit presets associated gas or dust concentration threshold value, when the phase being calculated Close sensor parameters and exceed threshold concentration, then issue the user with alarm or prompting.Information warning can use screen display, sound Prompting, optical cue, indicator light prompting.
In one embodiment, the screen display is that gas concentration or dust concentration is aobvious on magnetic stimulator host Show and text importing is carried out on device.
In one embodiment, the auditory tone cues is voice prompt or alarm song prompting.
In one embodiment, the optical cue is alarming lamp prompt.
Under many circumstances, the gas or dust concentration value for being arranged on the measurement of the sensor inside equipment are treated with device external Surveying real gas or dust concentration value, there are error.The power of adjustment suction unit can reduce mistake to a certain extent Difference, but can not fully overcome error.In addition, in actual operation, the setting of threshold value is very difficult, easily production Raw frequently wrong report or device external gas or the exceeded undetected situation of dust concentration, and gas or dust concentration value Detection also suffer from the environmental parameters such as air flow rate, air pressure, temperature, humidity change influence.For example, device external Dust concentration remain unchanged, but the change of humidity may cause the detection signal of sensing unit and processing unit calculates Concentration parameter changes;And for example, the volatile organic matter concentration of device external remains unchanged, but the temperature inside equipment Small change occurs for the concentration parameter that detection signal and the processing unit that change will also result in sensing unit calculate.It is such because Cause the possible amplitude of the change of the parameter value detected smaller for the change of environmental parameter, but if real gas to be measured Or dust concentration value may just be reported by mistake in Near Threshold because of small change value, or even in Near Threshold fluctuation Continual wrong report will occur, and at this moment real gas or dust concentration value do not occur significantly to increase(It is construed to The events such as generation medicine, oxygen leakage do not occur).In other situations, there may be detection for the sensor of use Explosion accident may occur more than 3.5% for inaccurate situation, such as the aerial content of gaseous alcohol, but due to sensing The systematic error of the intrinsic error of device or detection device, the gaseous alcohol that the corresponding sensor in equipment inside detects is in air In content may all the time lower than actual value 50%, in this case, when the aerial content of gaseous alcohol alreadys exceed During default danger threshold, the parameter value that corresponding sensor detects is still within safe range, the side of such predetermined threshold value Monitoring of the formula to alcohol concentration just loses effect.
In one embodiment, the processing unit monitors sensitive parameter by the default increased rate-valve value of parameter to be measured Increase, specifically, the rate-valve value be parameter values for detection change derivative value.When the sensitive parameter value of device external occurs During significant changes, for example, the overturning of alcohol container causes the leakage of a large amount of alcohol, the gaseous alcohol content in air significantly increases Add, be used to detecting the absolute dense of although gaseous alcohol that the sensor of alcohol concentration outside stimulation instrument detects inside magnetic stimulator Angle value does not have the concentration threshold scope for reaching dangerous, but can detect that the aerial concentration value of gaseous alcohol is increased There is the growth of phase step type in speed, therefore processing unit may determine that the thing that may have occurred alcohol leakage outside magnetic stimulator Part, the increased speed of alcohol concentration is shown on a display screen, if the increased speed of gas alcohol concentration has exceeded speed threshold It is worth scope, then issues the user with alarm or prompting.
In one embodiment, the sensing unit includes gas organic concentration sensor, can be to be waved in detection gas The concentration of hair property organic matter, the organic concentration sensor can effectively detect alcohol gas in air.Specifically, can adopt Measured with the sensor of the model MS1100 of ogamtech companies of South Korea.
In one embodiment, sensing unit includes oxygen concentration sensor, can with detection gas due to oxygen in ward The concentration rise of oxygen caused by gas leakage.Specifically, the biography of the model O2-A2 of Alphasense companies of Britain can be used Sensor measures.
In one embodiment, the sensing unit includes sensor of dust concentration, and the concentration sensor can detect The concentration of solid dust in gas.Specifically, the sensor of the model HK-5003 of akala science and technology can be used to measure.
In one embodiment, the sensing unit includes nox concentration sensor, nox concentration sensor Can be with nitrogen dioxide, nitric oxide production concentration in detection gas.Specifically, can using Britain CITY model 3ND and The gas sensor of 3NF/F measures.
It these are only the preferred embodiments of the disclosure, but protection scope of the present invention is not limited thereto, it is any Those familiar with the art the invention discloses technical scope in, it is contemplated that change or replacement should all cover this Within the protection domain of invention.

Claims (10)

  1. A kind of 1. magnetic stimulator safety detection device, it is characterised in that the magnetic stimulator safety detection device include detection mouth, Sensing unit, suction unit, processing unit, the detection mouth are arranged on the magnetic stimulator host housing surface, the air-breathing Unit and the sensing unit are arranged on inside magnetic stimulator host, and the suction unit is arranged on after the detection mouth, institute State the air that suction unit is accelerated outside magnetic stimulator host to flow into inside magnetic stimulator host by the detection mouth, the biography Sense unit is used to detect the pernicious gas or dust concentration in magnetic stimulator host external environment condition, and detection signal is sent to The pernicious gas or dust concentration value is calculated according to the detection signal in processing unit, the processing unit.
  2. 2. magnetic stimulator safety detection device as claimed in claim 1, it is characterised in that the pernicious gas or dust are to have Toxicity, corrosivity or volatile gas or dust.
  3. 3. magnetic stimulator safety detection device as claimed in claim 1, it is characterised in that the explosion-proof detection dress of magnetic stimulator Put and further include gas-guide tube, the gas-guide tube is used to that magnetic stimulator master will to be flowed into by the detection mouth outside magnetic stimulator host Air inside machine is transported near sensing unit.
  4. 4. magnetic stimulator safety detection device as claimed in claim 1, it is characterised in that tool inside the magnetic stimulator host There is detection zone, there is the detection zone seal casinghousing to isolate detection zone and other spaces inside host so that the detection Area's relative closure, the suction unit and sensing unit are arranged in detection zone.
  5. 5. magnetic stimulator safety detection device as claimed in claim 1, it is characterised in that the suction unit is fan, institute State fan to be arranged on after the detection mouth, the air that the fan is used to accelerate outside magnetic stimulator host passes through the detection Mouth is flowed into inside magnetic stimulator host.
  6. 6. magnetic stimulator safety detection device as claimed in claim 5, it is characterised in that the rotating speed of the fan is adjustable.
  7. 7. magnetic stimulator safety detection device as claimed in claim 1, it is characterised in that the processing unit presets the gas Body or dust concentration threshold value, when the related sensor parameter being calculated exceedes the concentration threshold, the processing unit hair Go out alarm or prompting.
  8. 8. magnetic stimulator safety detection device as claimed in claim 1, it is characterised in that the processing unit presets the gas Body or the increased rate-valve value of dust concentration, when the gas or the increased speed of dust concentration have exceeded the rate-valve value, The processing unit sends alarm or prompting.
  9. 9. magnetic stimulator safety detection device as claimed in claim 1, it is characterised in that the explosion-proof detection dress of magnetic stimulator Put and further include display unit, the result of calculation of the processing unit is shown.
  10. 10. a kind of magnetic stimulator, it is characterised in that it includes the safety detection device described in any of the above-described claim.
CN201610946347.4A 2016-11-02 2016-11-02 Magnetic stimulator safety detection device Pending CN107998508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610946347.4A CN107998508A (en) 2016-11-02 2016-11-02 Magnetic stimulator safety detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610946347.4A CN107998508A (en) 2016-11-02 2016-11-02 Magnetic stimulator safety detection device

Publications (1)

Publication Number Publication Date
CN107998508A true CN107998508A (en) 2018-05-08

Family

ID=62048054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610946347.4A Pending CN107998508A (en) 2016-11-02 2016-11-02 Magnetic stimulator safety detection device

Country Status (1)

Country Link
CN (1) CN107998508A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101039416B1 (en) * 2009-12-18 2011-06-07 대아산업주식회사 Portable type gas warning apparatus
US20130318917A1 (en) * 2011-03-16 2013-12-05 Norden Machinery Ab Method and arrangement for leak detection
CN206518776U (en) * 2016-11-02 2017-09-26 北京脑泰科技发展有限公司 Magnetic stimulator safety detection device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101039416B1 (en) * 2009-12-18 2011-06-07 대아산업주식회사 Portable type gas warning apparatus
US20130318917A1 (en) * 2011-03-16 2013-12-05 Norden Machinery Ab Method and arrangement for leak detection
CN206518776U (en) * 2016-11-02 2017-09-26 北京脑泰科技发展有限公司 Magnetic stimulator safety detection device

Similar Documents

Publication Publication Date Title
ES2803448T3 (en) Procedure for detecting an electrical malfunction, device for the implementation of such procedure and electrical enclosure equipped with such device
RU2017113542A (en) SYSTEMS AND METHODS OF NITROGEN OXIDE SYNTHESIS
ES2262881T3 (en) PROCEDURE AND DEVICE FOR MEASURING OXYGEN CONTENT IN A CLOSED OBJECTIVE SPACE.
US20160022950A1 (en) Personal use oxygen concentrator with integrated fire safety
CN206518776U (en) Magnetic stimulator safety detection device
CN104217518A (en) Intelligent fire alarm and operating method thereof
US20060110142A1 (en) Portable carbon monoxide generation apparatus for testin co sensors, detectors and alarms
CN210145337U (en) Device for detecting service life of canister in real time, canister and gas mask
CN107998508A (en) Magnetic stimulator safety detection device
CN107907632A (en) A kind of kitchen flue gas detection device
CN103645245B (en) Ultrasonic oxygen concentration detects display device continuously
CN106781206A (en) A kind of intelligent distribution box flue gas monitoring warning device
CN203882423U (en) Anti-poison anti-harm gas alarm detecting operating console
KR20160007444A (en) Sleep safety device for automobiles
CN205486677U (en) Combustible gas leakage alarm device based on AT89S52 singlechip
CN205788621U (en) A kind of combined pyralarm
CN112999480A (en) Abnormal state monitoring device applied to respiratory internal medicine breathing machine
JP2004171166A (en) Environmental air meter
CN207833309U (en) A kind of chemical laboratory environmental monitoring installation
CN105288809A (en) Pneumatic respirator with safety monitor function based on Internet of Things
CN109816948A (en) A kind of intelligent alarm equipment
CN202961638U (en) Explosion-proof fire truck temperature monitoring station
CN207366282U (en) A kind of toxic gas pollution monitor
CN212208496U (en) Temperature-sensing smoke-sensing type detection device for fire detection
CN205484288U (en) A integral type oxygen concentration monitor for ward nursing usefulness

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination