CN104014099B - A kind of smoke fire detector response lag on-line measuring device - Google Patents
A kind of smoke fire detector response lag on-line measuring device Download PDFInfo
- Publication number
- CN104014099B CN104014099B CN201410251098.8A CN201410251098A CN104014099B CN 104014099 B CN104014099 B CN 104014099B CN 201410251098 A CN201410251098 A CN 201410251098A CN 104014099 B CN104014099 B CN 104014099B
- Authority
- CN
- China
- Prior art keywords
- smoke
- box
- fire detector
- flue gas
- temperature
- 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.)
- Active
Links
Abstract
The present invention relates to a kind of portable smoke fire detector response lag on-line measuring device, including smoke box lifting jack, smoke box assembly and data input and output human-computer interface system, when smoke fire detector sends fire alarm signal, the known obscuration coefficient value of flue gas concentration is more than 0.05dBm with the response lag of the smoke fire detector‑1When, judge the smoke fire detector failure.The device is adapted to the portable smoke fire detector response lag detection means that general basic unit's verification unit uses, it need not load and unload the smoke fire detector in use, can to the smoke fire detector carry out with verification response lag, the problem of not only solving the verification in response lag use, security against fire is advantageously ensured that, has also broken the situation that the safe forcible inspection of item in public place is not examined.
Description
Technical field
The present invention relates to fire detector response lag on-line measuring device, and in particular to a kind of portable smoke is visited
Survey device response lag on-line measuring device.
Background technology
Smoke detector be using smog caused by fire occur produce light to absorb or the principle blocked and be made
A kind of detector.When a fire, smog enters the sensing chamber of detector, due to the effect of smoke particle, makes on detector
The light of light-emitting component transmitting produces scattering, and this scattering is received by the photo detector on detector, light-dependent current is produced, so as to real
Show and smoke signal is changed into electric signal, detector can judge that smoke density then sends alarm signal according to the size of electric signal
Number.Generally, the performance parameter of smoke detector will be tested and test one by one before dispatching from the factory, and detection device is typically adopted
With the standard fume box produced by NFA Quality of electronic products supervision centre punch one.But the smoke detection of installation between floors
Device use after a period of time may misalignment, it is necessary to periodic detection, and current standard fume box is only applicable to smoke detector
Verification before installation, Site Detection (i.e. on-line checking) can not be carried out to the smoke detector in use.Conventional method be by
Take fire department again after smoke detector dismounting in use and detected using standard fume box, and such detection method because
Not to be on-line checking, so accurate alignment can not be carried out to smoke detector, often there is the smoke detector inspection after dismounting
It is qualified to test, but the still phenomenon of failure in use after installing again.On the other hand, standard fume box volume structure is huge, operating process
It is complicated cumbersome, and testing cost is very high, and general basic unit's verification unit is difficult to carry out this work.
The content of the invention
For the drawbacks described above of prior art, to solve problems of the prior art, the present invention provides a kind of sense cigarette
Fire detector response lag on-line measuring device.The device volume is small, in light weight, easy to carry, and can be to making
Smoke fire detector in carries out on-line checking.
A kind of smoke fire detector response lag on-line measuring device includes smoke box lifting jack and smoke box assembly, the cigarette
Case lifting jack is located at the bottom of the smoke box assembly, including lifting frame, push rod, and elongating or shortening with push rod, lifting
Frame will rise or fall；Wherein described push rod is preferably electric pushrod；
The smoke box assembly quality is no more than 10kg, and volume is no more than 50cm × 50cm × 50cm, including standard smoke generator,
Winkler's foundation flue gas supply unit, on-line checking smoke box unit and flue gas purging four functional units of unit, wherein, the standard
Smoke generator balanced can produce smoke amount, and the particle diameter distribution of the smoke particle in flue gas forms standard fume in 0.5um~1.0um；Institute
Constant temperature standard fume supply unit is stated to be used to handle the flue gas by design temperature constant temperature or be transported to by setting heating rate
In the on-line checking smoke box；The on-line checking smoke box unit is used to be sent into smoke fire detector to go out dim light after testing
The demarcation flue gas of coefficient value, smoke fire detector sound and light alarm signal is received, test result is assigned for testing staff's analysis,
The known obscuration coefficient value of flue gas concentration and the smoke when the smoke fire detector sends fire alarm signal
The response lag of detector is more than 0.05dBm-1When, judge the smoke fire detector failure；The flue gas purging unit is used
The flue gas remained in the upper detection process of displacement, prepares for next detection process；There is opening at the top of the smoke box assembly,
The size of the opening can house smoke detector just；Sealing ring is preferably provided with the top of the smoke box assembly, its effect is
Make smoke-box closed, prevent in detection process flue gas from smoke box assembly tip-leakage.
Preferably, the on-line checking smoke box unit includes pickup video camera, air velocity transducer, temperature sensor, 850nm
Photometer measurement is popped one's head in；Pickup video camera, air velocity transducer and the temperature sensor are respectively intended to detect the acousto-optic in smoke-box
Signal, wind velocity signal and temperature signal；The 850nm photometer measurements are popped one's head in for detecting the flue gas concentration in smoke-box.
Preferably, the smoke fire detector response lag on-line measuring device includes data input output man-machine interface
System, to be interacted for data message occurs with the smoke box lifting jack and the smoke box assembly, the man-machine boundary can be passed through
Plane system is controlled to the smoke box lifting jack and the smoke box assembly.
In portable smoke fire detector response lag on-line measuring device of the present invention, in the online inspection
Survey in smoke box, the air-flow around the smoke fire detector is 0.2 ± 0.04m/s, and gas flow temperature should be 23 ± 5 DEG C, conveying
Liter cigarette speed to the on-line checking smoke box is 0.015dBm-1min-1≤Δm/Δt≤0.1dBm-1min-1。
In portable smoke fire detector response lag on-line measuring device of the present invention, the soot in flue gas
The particle diameter distribution of son is in 0.5um~1.0um.In portable smoke fire detector response lag on-line checking of the present invention
In device, optical measurement length is 0.114m (standard requirement is not more than 1.1m), and it can not receive the smoke particle of conveying flue gas
The angle of scattering of scattering is more than 3 ° of light.In the range of 800nm~950nm, its Effective Radiated Power should be greater than light beam wavelength
50%, wavelength is less than in the range of 800nm, and its Effective Radiated Power should be less than 10%, and higher than in the range of 1050nm, it has wavelength
Effect radiant power also should be less than 10%.Portable smoke fire detector response lag on-line measuring device inspection of the present invention
Surveying error is：Smoke density between 0~2dB/m, measurement error not should be greater than (m × 5%+0.02) dB/m.Every time before measurement,
The reading of measuring instrument must be compared with the reading (zero point) in pure air, and measured deviation not should be greater than 0.02dB/m.Implement
The portable smoke fire detector response lag on-line measuring device of the present invention, has the advantages that：Make without handling
Smoke fire detector in, you can carry out, with response lag is verified, solving threshold of response to the smoke fire detector
The problem of being verified in the use of value, advantageously ensures that security against fire；In addition, the on-line measuring device is in light weight, small volume, carry
It is convenient, and can be manipulated by client software, detection process is easily and fast.
Brief description of the drawings
The portable smoke fire detector response lag on-line measuring device structure charts of Fig. 1；
Fig. 2 smoke box assembly structure schematic diagrames；Fig. 2A smoke box assembly main view profiles；Fig. 2 B smoke box assembly left view profiles；
Fig. 2 C smoke box assembly top plan views；Fig. 3 combustion tube profiles.Figure number detail list：1. long leg；2. mainboard driving plate is led to
Interrogate line；3. short supporting leg；4. power outlet；5. Switching Power Supply；6. control cable aviation socket；7. driving plate is electric to aviation socket
Cable；8. hand-held touch control screen；9. switch board；10. mainboard；11. driving plate；12. lifting frame assembly；13. control cable；
14. electric linear push rod；15. smoke box assembly；16.20 type aviation plug；17. lifting arm connecting bolt；18. smoke box seat；19. hair
Chimney cable；20. combustion tube；21. blower fan assembly；22. smoke cylinder base；23. air inlet temperature sensor；24. heat is handed over
Change post；25. thermoelectric cooling module；26.CPU radiator fans；27. Cross Recess Head Screw-H types M3 × 8；28. blower fan air intake
Mouth temperature sensor data line；29. sound pick-up and camera data wire；30. pickup video camera；31.TEC1-12720 thermoelectrics
Refrigerating assembly service cable；32.775 serial CPU radiator fans service cable；33. fan house return air inlet temperature sensor data
Line；34. fan house return air inlet temperature sensor；35. fan house；36. pickup camera heat-insulating packing ring；37. survey smoke-box wind speed to pass
Sensor data wire；38. survey smoke-box return air inlet temperature sensor data line；39. survey smoke-box air velocity transducer；40. survey smoke-box return air
Mouth temperature sensor；41. survey smoke-box；42. thermal insulation layer；43. survey smoke-box return air uniform device；44. survey smoke-box sealing ring flange hinge
Bolt；45. survey smoke-box sealing ring flange hinge axis；46. survey smoke-box sealing ring；47. smoke box top dead centre limit sensors；48. cigarette
Case top dead centre limit sensors data wire；49. pickup video camera dust cover；50.850nm photometer measurement probe assembly transmitting
Head；51. survey smoke-box sealing ring flange；52. survey smoke-box sealing ring flange lock bolt；53. survey smoke-box air intake uniform device；
54.850nm photometer measurement probe transmitting end cable；55. survey smoke-box intake air temperature sensor；56. survey smoke-box air inlet temperature
Spend sensor data cable；57. survey smoke-box temperature sensor；58. survey smoke-box temperature sensor data line；59. electronic air quantity regulation
Valve cable；60. electric air volume adjusting valve assembly；61. fan house air outlet temperature sensor；62. fan house air outlet temperature
Sensor data cable；63. Cross Recess Head Screw-H types M4 × 12；64. smoke-box driving plate；65. smoke-box driving plate control line；
66. smoke-box driving plate power line；67. smoke-box driving plate power supply；68. fan power line；69. smoke-box driving plate power supply supply lines；
The dust cover 70.850nm photometer measurement is popped one's head in；71. Cross Recess Head Screw-H types M3 × 20；72.850nm photometer measurement is visited
Head receives end cable；The receiving terminal assembly 73.850nm photometer measurement is popped one's head in；74.850nm photometer measurement probe dust cover is close
Packing；75. heating wire lead-out wire；76. heating wire draws line terminals；77. ceramic insulator；78. smoke cover；79. combustion tube
Seat hook hole；80. positive electrode；81. heating wire；82. the standard column of smoke；83. the column of smoke protects air duct；84. it is grounded negative electrode.
Specific embodiment
Now with reference to accompanying drawing, the present invention is described in detail, in the following description, in order to provide to the complete of the present invention
Foliation solution, elaborate multiple concrete details.However, to those skilled in the art, can be without these
Implement the present invention in the case of some or all of detail.In addition, in order to avoid unnecessarily obscuring the present invention, not
Known processing step and/or structure are described in detail.Fig. 1 is that portable smoke fire detector response lag is examined online
Survey structure drawing of device.Support is provided with the bottom of the device, the right installation long leg 1 of support, short supporting leg 3, branch are installed in the left side
Frame is to support and control cabinet 9, lifting frame assembly 12 and smoke box assembly 15.Mainboard 10, driving plate 11, hand are provided with switch board 9
Hold formula touch control screen 8.The smoke fire detector response lag on-line measuring device includes data input and exports man-machine boundary
Plane system, can be by described man-machine to be interacted for data message occurs with the smoke box lifting jack and the smoke box assembly
Interface system is controlled to the smoke box lifting jack and the smoke box assembly.Wherein mainboard 10, driving plate 11 are driven by mainboard
Dynamic plate connection 2 connects, and a port of driving plate 11 is connected to the power outlet 4 controlled by Switching Power Supply 5, second port
Cable aviation socket 6 is connected to by driving plate to aviation socket cable 7.Control cable aviation socket 6 is arranged on power supply and inserted
4 upper ends of seat, while the control cable 13 connected with smoke box assembly 15 is also connected with aviation socket 6 in the control cable.It is passed the imperial examinations at the provincial level
Rise the top of frame assembly 12 and be provided with electric linear push rod 14, to adjust the height of lifting frame.Smoke box assembly quality is about 10kg, body
It is about 50cm × 50cm × 50cm to accumulate, and demarcation detecting system occurs for the flue gas in smoke box assembly by standard smoke generator, Winkler's foundation
Flue gas supply unit, on-line checking smoke box unit and flue gas purging unit composition.Its Plays smoke generator balanced can produce smoke
Amount, form code and provide to rise the standard fume of cigarette speed, that is, the liter cigarette speed for being transported to on-line checking smoke box is 0.015dBm- 1min-1≤Δm/Δt≤dBm-1min-1, the particle diameter of the smoke particle in flue gas should be distributed between 0.5um~1.0um, once plus
Enter more than smoke ball energy steady operation 15min, the flue gas is in particle diameter distribution, particle size, size composition, optical characteristics etc.
Should there are repeatability and stability, and GB4715-2005 can be met by monitoring obscuration coefficient value m and detection time ratio《Point
Type smoke fire detector》Carry out the stabilization of guarantee test cigarette in the range of the solid line of middle figure G.3, the maximum of its obscuration coefficient value is
2dBm-1；Constant temperature standard fume supply unit is used for the flue gas is by the processing of design temperature constant temperature or defeated by setting heating rate
It is sent in the on-line checking smoke box, i.e., the air-flow in on-line checking smoke box around smoke fire detector is 0.2 ± 0.04m/
S, gas flow temperature should be 23 ± 5 DEG C；On-line checking smoke box unit be used for by smoke fire detector load in its casing,
The demarcation flue gas for going out obscuration coefficient value after testing is sent into smoke fire detector by detection regulatory requirements, receives sense pyrotechnics
Fire detector sound and light alarm signal, and hand-held touch control screen is transferred data to, assign detection knot for testing staff's analysis
By the known obscuration coefficient value of flue gas concentration and the sense pyrotechnics when the smoke fire detector sends fire alarm signal
The response lag of fire detector is more than 0.05dBm-1When, judge the smoke fire detector failure；Flue gas purging unit is used for
The flue gas remained in the upper detection process of displacement, prepares for next detection process.The portable smoke fire detector of the present invention
Response lag on-line measuring device, comprises the following steps:1) client operation form is first opened；2) instrument is proofreaded before working first
Reading (zero point), the reading of measuring instrument is compared with the reading (zero point) in pure air, measured deviation not should be greater than
0.02dB/m；3) smoke fire detector is loaded into instrument detection station, clicks on lifting jack elevating control window manually, pin act
Rise device and rise or fall knob, observation shows video, by instrument and by inspection smoke fire detector contraposition；4) click on and send manually
After power-on command, host work program starts.The host computer system of the present invention, comprises the following steps：1) infrared emission tube is opened
DC1.5V supplying DCs solid-state relay is powered to infrared emission tube；Pickup video camera, temperature, air velocity transducer, photocell
The conveying of obscuration coefficient voltage signal is started working.2) AC220V blower fan supply and AC solid-state relays are opened, rotation speed of fan is adjusted
To 90% duty cycle, and the data judging that is returned in real time by air velocity transducer and wind speed regulation motor DC24V is powered straight
Stream reversing switch switches to acceleration or deceleration state, opens wind speed regulation motor DC24V supplying DC solid-state relays to wind speed
Regulation motor is powered, and untill the data that air velocity transducer returns in real time reach wind speed setting value, closes wind speed regulation motor
DC24V supplying DCs solid-state relay is stopped power supply to wind speed regulation motor, and blast velocity control is gone into controlled wind speed regulation electricity
Machine DC24V supplying DC solid-state relay dutycycles, in real time by setting value monitoring adjustment wind speed.3) partly led by design temperature control
Body cooling piece works, and the temperature data beamed back first by detection zone temperature sensor determines semiconductor chilling plate working condition for system
Cold or heating state, that is, instruct the work of semiconductor chilling plate supplying DC reversing switch；It is adjacent by measure semiconductor chilling plate again
The temperature data that temperature sensor is beamed back determines semiconductor chilling plate operative duty cycles, i.e., distinguishes by the temperature signal of real-time feedback
The respective operation range time of semiconductor chilling plate supplying DC solid-state relay is controlled, ensures work temperature of each region in setting
In the range of degree and temperature rate；Then the temperature beamed back by fan air inlet and any temperature sensor of detection zone temperature sensor
Degrees of data determines the dutycycle that semiconductor chilling plate each works, to ensure detection zone temperature in setting working range.Preferentially
Ground, semiconductor chilling plate have 4 pieces, can also increase block number to ensure the equilibrium of temperature.4) when detection zone wind speed, temperature reach setting
When value requires, igniting DC24V supplying DCs solid-state relay is opened to smoke post heating and gasifying smoke, sound is sent to by inspection equipment
Igniting DC24V supplying DC solid-state relays are closed during visual alarm, smoke post stops gasification smoke.5) pickup shooting is recorded
Machine receive by inspection smoke fire detector for the first time send sound and light alarm signal when fully synchronized data, including the time,
Detection zone temperature, wind speed, flue gas obscuration coefficient and by inspection equipment send sound and light alarm video store to accordingly by inspection equipment letter
Cease in storehouse.When smoke fire detector sends fire alarm signal, the known obscuration coefficient value of flue gas concentration is visited with smoke
The response lag for surveying device is more than 0.05dBm-1When, judge smoke fire detector failure.6) lifting jack declines automatically, opens displacement
Valve, blower fan suction fresh air simultaneously blows out the flue gas through constantly diluting from detection zone by inspection equipment installing port, until being set by inspection
Displacement valve is closed in standby stopping when sending sound and light alarm, lifting jack rises 50mm resets automatically, into second of detection process.It is excellent
Selection of land, lifting jack down position are 50mm.7) the sound 4) sent to 6) step, record second and third time by inspection equipment is repeated
Fully synchronized data during visual alarm, including the time, detection zone temperature, wind speed, flue gas obscuration coefficient and by inspection equipment hair
Go out sound and light alarm video to store to accordingly in by inspection facility information storehouse.8) lifting jack elevating control window is clicked on manually, is pinned
Lifting jack declines knob, by instrument with being separated by inspection equipment and dropping to instrument safety moving height, starts next by inspection equipment
Detection or shutdown.The portable smoke fire detector response lag on-line measuring device of the present invention also includes examining directional error
Survey：Smoke density between 0~2dB/m, measurement error not should be greater than (m × 5%+0.02) dB/m.Every time before measurement, measuring instrument
The reading of device must be compared with the reading (zero point) in pure air, and measured deviation not should be greater than 0.02dB/m.Smoke box lifting jack
It is made up of lifting frame assembly 12, electric linear push rod 14, smoke box top dead centre limit sensors 47 and control system.Open client
After operating window, pin lifting jack and rise or fall knob, electric linear push rod elongates or shortens, lifting frame will rise or under
Drop, control system lock to rise knob when instrument top dead center position sensor inputs top dead center position signal, make lifting frame not
It can continue to rise.Fig. 2 is smoke box assembly structure schematic diagram, and Fig. 2A is smoke box assembly main view profile, and Fig. 2 B are that smoke box assembly is left
Pseudosection, Fig. 2 C are smoke box assembly top plan view.Flue gas occurs demarcation detecting system and is arranged in smoke box assembly, reference chart
2A, smoke box assembly 15 is by blower fan assembly 21, smoke cylinder base 22, air inlet temperature sensor 23, heat exchange posts 24, thermoelectric
Refrigerating assembly 25, radiator fan 26, pickup video camera 30, fan house return air inlet temperature sensor 34, fan house 35, survey smoke-box wind
Fast sensor 39, smoke-box return air inlet temperature sensor 40 is surveyed, smoke-box 41, thermal insulation layer 42 is surveyed, surveys smoke-box return air uniform device 43, surveys cigarette
Room sealing ring 46, smoke box top dead centre limit sensors 47,850nm photometer measurements probe assembly emitting head 50, survey smoke-box air intake
Uniform device 53, survey smoke-box intake air temperature sensor 55, survey smoke-box temperature sensor 57, electric air volume adjusting valve assembly 60, wind
Machine room air outlet temperature sensor 61, smoke-box driving plate 64,850nm photometer measurements probe receiving terminal assembly 73 form.Wherein,
Lifting arm connecting bolt 17 installed in the bottom of smoke box assembly 15 is fixed on excessive heightening rod, aviation plug 16 and control cable 13
To connection.Wherein survey smoke-box 41 and be arranged on top, fan house 35 is arranged on middle part, and smoke box seat 18 is arranged on bottom, three's connection
The cabinet of smoke box assembly 15 is monolithically fabricated into one, remaining part, which is installed in, surveys smoke-box 41, fan house 35,18 corresponding work(of smoke box seat
In energy area.These parts composition standard smoke generator, Winkler's foundation flue gas supply unit, on-line checking smoke box unit and flue gas purging
Four functional units of unit.Wherein, the standard smoke generator balanced can produce smoke amount, the particle diameter distribution of the smoke particle in flue gas
In 0.5um~1.0um, form code and provide to rise the standard fume of cigarette speed；The constant temperature standard fume supply unit is used for will
The flue gas is handled by design temperature constant temperature or is transported to by setting heating rate in the on-line checking smoke box；The online inspection
Survey smoke box unit be used for by smoke fire detector load in its casing, by detection regulatory requirements to smoke detector
The demarcation flue gas for going out obscuration coefficient value after testing is sent into device, receives smoke fire detector sound and light alarm signal, and by number
According to hand-held touch control screen is sent to, test result is assigned for testing staff's analysis, when the smoke fire detector is sent
The known obscuration coefficient value of flue gas concentration and the response lag of the smoke fire detector are more than during fire alarm signal
0.05dBm-1When, judge the smoke fire detector failure；The flue gas purging unit is used to replace in a detection process
The flue gas of residual, prepared for next detection process.With reference to figure 2A and Fig. 3, standard smoke generator is by combustion tube 20 and smoke cylinder base
22 compositions, the bottom return air area edge of fan house 35 is arranged on, wherein combustion tube 20 draws line terminals 76, ceramic insulation by heating wire
Son 77, smoke cover 78, smoke cylinder base hook hole 79, positive electrode 80, heating wire 81, the standard column of smoke 82, the column of smoke protect air duct 83, connect
Ground negative electrode 84 forms.When smoke-box driving plate 64 is instructed by mainboard 10 draws the power supply of line terminals 76 to heating wire, heating wire 81
It is heated to form 400 DEG C~600 DEG C glowers, the standard column of smoke 82 gasifies smoke on this glower, when mainboard 10 is instructed to electric heating
When silk draws the power-off of line terminals 76, the temperature of heating wire 81 drops to rapidly less than 400 DEG C, and the standard column of smoke 82 stops gasification smoke.Its
In, the outside of the standard column of smoke 82 is cased with column of smoke shield air duct 83, and 82 one end of heating wire 81 in the standard column of smoke is connected to positive electrode
80, one end is connected to ground connection negative electrode 84；Heating wire lead-out wire 75 is connected to heating wire and draws line terminals 76, is drawn in heating wire
The upper end of line terminals 76 is provided with ceramic insulator 77.In more detail, smoke cover 78 and combustion tube are provided with the left side of combustion tube 20
Seat hook hole 79.It is connected in combustion tube 20 with combustion tube cable 19, is arranged on smoke box seat 18.With reference to figure 2 and Fig. 2A, temperature control
Standard fume supply unit is by the blower fan assembly 21 in the inner chamber air channel that survey smoke-box 41 and fan house 35 are formed, combustion tube
Seat 22, air inlet temperature sensor 23, heat exchange posts 24, thermoelectric cooling module 25, radiator fan 26, fan house return air
Mouthful temperature sensor 34, fan house 35, survey smoke-box air velocity transducer 39, survey smoke-box return air inlet temperature sensor 40, survey smoke-box 41,
Thermal insulation layer 42, smoke-box return air uniform device 43 is surveyed, smoke-box sealing ring 46 is surveyed, surveys smoke-box air intake uniform device 53, surveys smoke-box air inlet temperature
Spend sensor 55, survey smoke-box temperature sensor 57, electric air volume adjusting valve assembly 60, fan house air outlet temperature sensor 61,
Formed by inspection smoke fire detector and control system in smoke box seat 18, wherein, smoke-box sealing ring 46 is surveyed by being examined
Smoke fire detector external diameter specification is chosen, to prevent leak-stopping cigarette.Blower fan assembly 21 starts air-supply during work, when smoke-box driving plate 64
When instructing beginning constant temperature or heating and cooling by mainboard, fan house return air inlet temperature sensor 34, smoke-box intake air temperature sensor is surveyed
55th, its adjacent output temperature of thermoelectric cooling module 25 is fed back to mainboard 10, mainboard by fan house air outlet temperature sensor 61
10 instruction smoke-box driving plates 64 control the work of the non-overloading of thermoelectric cooling module 25, air inlet temperature sensor 23, survey cigarette
The temperature data that room temperature sensor 57 detects feeds back to mainboard 10 as design temperature, and mainboard 10 instructs smoke-box driving plate 64 to control
Thermoelectric cooling module 25 processed is heated or freezed, until reaching and maintaining instrument to be operated in design temperature.Survey smoke-box wind speed sensing
Air speed data is fed back to mainboard 10 by device 39, and mainboard 10 instructs electric air volume adjusting valve assembly 60 to adjust and surveys flue gas stream in smoke-box 41
Speed, setting flow velocity is operated in until reaching and maintaining to survey flue gas flow rate in smoke-box 41, wherein surveying smoke-box return air uniform device 43, surveying cigarette
Room air intake uniform device 53 is the uniformity device for surveying flue gas flow rate in smoke-box 41, it is ensured that the survey cloth wind of smoke-box 41 is consistent, flue gas dim light
Coefficient value is in the deviation range of permission.In the present invention, it is provided with smoke cylinder base 22 in the left side of blower fan assembly 21, it may be preferable that
The surface for the blower fan assembly 21 being connected with fan power line 68 is provided with air inlet temperature sensor 23, in smoke cylinder base 22
Top be provided with heat exchange posts 24；Thermoelectric cooling module 25, radiator fan 26 are sequentially provided with the left side of heat exchange posts 24, its
In, thermoelectric cooling module 25 may be connected to thermoelectric cooling module service cable 31, and radiator fan 26 may be connected to radiation air
Fan service cable 32.In more detail, air inlet temperature sensor 23 is connected to air inlet temperature sensor data line
28, both sides are provided with Cross Recess Head Screw-H types 27, and top is provided with the pickup being connected with sound pick-up and camera data wire 29 and taken the photograph
Camera 30, pickup camera heat-insulating packing ring 36 is provided with pickup video camera 30.Preferentially, in fan house 35 side be provided with
The fan house return air inlet temperature sensor 34 that fan house return air inlet temperature sensor data line 33 is connected；Opposite side is provided with connection
The fan house air outlet temperature sensor 61 of fan house air outlet temperature sensor data line 62.Preferentially, surveying outside smoke-box 41
Portion is provided with thermal insulation layer 42, and both ends are respectively equipped with the survey smoke-box return air inlet being connected with surveying smoke-box return air inlet temperature sensor data line 38
Temperature sensor 40 and the survey smoke-box intake air temperature sensor 55 being connected with surveying smoke-box intake air temperature sensor data cable 56；
Survey smoke-box return air uniform device 43 is provided with surveying the inside left of smoke-box 41, right side, which is provided with, surveys smoke-box air intake uniform device 53.Preferentially, exist
The both ends of fan house 35 are respectively equipped with the fan house return air inlet temperature being connected with fan house return air inlet temperature sensor data line 33 and passed
Sensor 34 and the fan house air outlet temperature sensor 61 being connected with fan house air outlet temperature sensor data line 62.Surveying cigarette
The upper end of room 41 is provided with multiple smoke box top dead centre limit sensors 47 being connected with smoke box top dead centre limit sensors data wire 48,
Provided with smoke-box sealing ring 46 is surveyed, it is provided with the top for surveying smoke-box 41 and surveys smoke-box sealing ring 46, is set surveying the left end of smoke-box sealing ring 46
Have and survey smoke-box sealing ring flange hinge axis 45 and survey smoke-box sealing ring flange hinge bolt 44, right-hand member, which is provided with, surveys smoke-box sealing ring method
Orchid 51 and survey smoke-box sealing ring flange lock bolt.Electric air volume adjusting valve assembly 60 connects electric air volume adjusting valve cable
59, Cross Recess Head Screw-H types M4 × 12 are housed in the lower section of electric air volume adjusting valve assembly 60.Filled surveying the right side of smoke-box 41
There is smoke-box driving plate 64, smoke-box driving plate power supply supply lines 69 is connected to smoke-box driving plate power supply 67, then by smoke-box driving plate
Power line 66 is connected to smoke-box driving plate 64, and smoke-box driving plate control line 65 picks out from smoke-box driving plate 64.With reference to figure 2A, 2B,
2C, on-line checking smoke box unit is by installed in the pickup video camera 30, survey smoke-box air velocity transducer 39,850nm surveyed on smoke-box 41
Photometer measurement probe assembly emitting head 50, survey smoke-box temperature sensor 57,850nm photometer measurements probe receiving terminal assembly 73
With the control system composition in smoke box seat 18.When pickup video camera 30 detects the acousto-optic that smoke fire detector sends
During alarm signal, mainboard 10 is sent data to, mainboard 10 locks 850nm photometer measurements probe receiving terminal assembly 73 and examined simultaneously
The synchronous period flue gas data of survey are the response of the smoke fire detector, and whether data storage simultaneously judges it in threshold value.
Preferentially, it is provided with survey smoke-box 41 and is connected with the survey smoke-box air velocity transducer 39 for surveying smoke-box air velocity transducer data wire 37, with
The connected 850nm photometer measurements probe assembly emitting head 50 of 850nm photometer measurements probe transmitting end cable 54, and with survey
The connected survey smoke-box temperature sensor 57 of smoke-box temperature sensor data line 58, wherein, in 850nm photometer measurements probe assembly
The outside of emitting head 50 is provided with 850nm photometer measurements probe dust cover 70, the top of 850nm photometer measurements probe dust cover 70
Provided with Cross Recess Head Screw 71；850nm photometer measurements probe receiving terminal assembly 73 is provided with the front end for surveying smoke-box 41,
850nm photometer measurements probe receiving terminal assembly 73 receives end cable 72 with 850nm photometer measurements probe and is connected, in 850nm
Photometer measurement probe receiving terminal assembly 73 is provided with the dust-proof hood seal gasket 74 of 850nm photometer measurements probe.Flue gas purging is single
Member by the control system in smoke box seat 18, on the suction side of fan house 35 input fresh air displacement valve,
The exhaust gases passes formed by survey smoke-box 41 and the inner chamber of fan house 35 form, and wherein exhaust gases passes are by the smoke box assembly 15 formed
Blower fan assembly 21, smoke cylinder base 22, survey smoke-box 41, survey smoke-box return air uniform device 43, survey smoke-box sealing ring 46, the survey smoke-box in air channel
Air intake uniform device 53, electric air volume adjusting valve assembly 60, by inspection smoke fire detector composition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (2)
1. a kind of smoke fire detector response lag on-line measuring device, including smoke box lifting jack, smoke box assembly and data are defeated
Enter to export human-computer interface system, it is characterised in that:The smoke box lifting jack is located at the bottom of the smoke box assembly, including lifting
Frame, push rod, top dead center position sensor and elongating or shortening with push rod, lifting frame will rise or fall；The smoke box
Include standard smoke generator, Winkler's foundation flue gas supply unit, on-line checking smoke box unit and flue gas purging unit four in assembly
Individual functional unit；The top of the smoke box assembly is provided with opening and sealing ring, and the size of the opening can house sense cigarette and visit just
Survey device；
The Winkler's foundation flue gas supply unit, it is total by the blower fan in the inner chamber air channel that survey smoke-box and fan house are formed
Into, smoke cylinder base, air inlet temperature sensor, heat exchange posts, thermoelectric cooling module, radiator fan, fan house return air
Mouth temperature sensor, fan house, smoke-box air velocity transducer is surveyed, smoke-box return air inlet temperature sensor is surveyed, surveys smoke-box, thermal insulation layer, survey
Smoke-box return air uniform device, smoke-box sealing ring is surveyed, smoke-box air intake uniform device is surveyed, surveys smoke-box intake air temperature sensor, surveys smoke-box temperature
Degree sensor, electric air volume adjusting valve assembly, fan house air outlet temperature sensor, smoke fire detector and it is arranged on by inspection
Control system composition in smoke box seat；Winkler's foundation flue gas supply unit is used to by design temperature constant temperature or press the flue gas
Setting heating rate is transported in the on-line checking smoke box；
The on-line checking smoke box unit, go out the demarcation of obscuration coefficient value after testing for being sent into smoke fire detector
Flue gas, smoke fire detector sound and light alarm signal is received, test result is assigned for testing staff's analysis, when the smoke
The known obscuration coefficient value of flue gas concentration and the threshold of response of the smoke fire detector when detector sends fire alarm signal
Value is more than 0.05dBm-1 When, judge the smoke fire detector failure；
The flue gas purges unit, for replacing the flue gas remained in a upper detection process, is prepared for next detection process；
The on-line checking smoke box unit includes pickup video camera, air velocity transducer, temperature sensor, photometer measurement probe；
Pickup video camera, air velocity transducer and the temperature sensor be respectively intended to detect smoke-box in sound and light signal, wind velocity signal and
Temperature signal；The photometer measurement is popped one's head in for detecting the flue gas concentration in smoke-box；
The data input output human-computer interface system occurs data message with smoke box lifting jack, smoke box assembly and interacted, the number
Client software is built-in with according to input and output human-computer interface system, the client software can show and store in smoke box assembly
The phonotape and videotape of smoke-box, temperature, wind speed, obscuration coefficient data；The client software also includes smoke box lifting jack control window, beats
After opening client operation form, pin lifting jack and rise or fall knob, push rod can be controlled to elongate or shorten, lifting frame is therewith
It will rise or fall.
2. a kind of smoke fire detector response lag on-line measuring device as claimed in claim 1, wherein, the sense pyrotechnics
Air-flow around fire detector is 0.2 ± 0.04m/s, and gas flow temperature should be 23 ± 5 DEG C, is transported to the on-line checking smoke box
It is 0.015dBm to rise cigarette speed-1 min -1 ≤ Δm/Δt ≤0.1dBm -1 min -1；
On-line checking comprises the following steps:
1）, first open client operation form；
2）, work first before proofread instrument readings, the reading of measuring instrument is compared with the reading in pure air, measurement is inclined
Difference not should be greater than 0.02dB/m；
3）, by smoke fire detector load instrument detection station, manually click on lifting jack elevating control window, pin lifting jack
Knob is risen or fallen, observation shows video, by instrument with being aligned by inspection smoke fire detector；
4）, manually click on send power-on command after, host work program start；
5）, to infrared emission tube power；Pickup video camera, temperature sensor, air velocity transducer, photocell obscuration coefficient voltage
Signal conveying is started working；
6）, open AC220V blower fan supply and AC solid-state relays, rotation speed of fan is adjusted to 90% duty cycle, and press wind speed
Wind speed regulation motor DC24V supplying DC reversing switches are simultaneously switched to acceleration or subtracted by data judging that sensor returns in real time
Fast state, open wind speed regulation motor DC24V supplying DCs solid-state relay and wind speed regulation motor is powered, sensed to wind speed
Untill the data that device returns in real time reach wind speed setting value, wind speed regulation motor DC24V power supplies, DC solid-state relay are closed
Wind speed regulation motor is stopped power supply, and blast velocity control is gone into controlled wind speed, regulation motor DC24V supplying DCs solid-state after
Electrical equipment dutycycle, in real time by setting value monitoring adjustment wind speed；
7）, by design temperature control semiconductor chilling plate work, the temperature data beamed back first by detection zone temperature sensor is true
Semiconductor chilling plate working condition is determined to freeze or heating state, that is, instructs semiconductor chilling plate supplying DC reversing switch work
Make；The temperature data beamed back again by the adjacent temperature sensor of measure semiconductor chilling plate determines semiconductor chilling plate work duty
Than controlling the respective operation range of semiconductor chilling plate supplying DC solid-state relay respectively by the temperature signal of real-time feedback
Time, ensure each region in the range of the operating temperature of setting and temperature rate；Then fan air inlet and detection zone temperature are pressed
The temperature data that the degree any temperature sensor of sensor is beamed back determines the dutycycle that semiconductor chilling plate each works, to ensure to examine
Area's temperature is surveyed in setting working range；
8）, when detection zone wind speed, temperature reach setting value requirement when, open igniting DC24V supplying DCs solid-state relay to hair
Column of smoke heating and gasifying smoke, to closing igniting DC24V supplying DC solid-state relays when being sent sound and light alarm signal by inspection equipment
Device, smoke post stop gasification smoke；
9）, record pickup video camera receive by inspection smoke fire detector for the first time send sound and light alarm signal when whole
Synchrodata, including the time, detection zone temperature, wind speed, flue gas obscuration coefficient and by inspection equipment send sound and light alarm video storage
To accordingly in by inspection facility information storehouse；The known dim light of flue gas concentration when smoke fire detector sends fire alarm signal
The response lag of coefficient value and smoke fire detector is more than 0.05dBm-1When, judge smoke fire detector failure；
10）, lifting jack decline automatically, open displacement valve, blower fan suction fresh air and from detection zone by inspection equipment installing port
The flue gas through constantly diluting is blown out, on by closing displacement valve when equipment stops sending sound and light alarm is examined, lifting jack is automatic
Rise and reset, into second of detection process；
11）, repeat step 8）- step 10）, record second and third time by inspection equipment send sound and light alarm signal when whole
Together
Step data, including time, detection zone temperature, wind speed, flue gas obscuration coefficient and sent sound and light alarm video by inspection equipment and deposited
Storage is to accordingly in by inspection facility information storehouse；
12）, manually click on lifting jack elevating control window, pin lifting jack decline knob, by instrument with by examine equipment separate simultaneously
Instrument safety moving height is dropped to, is started next by the detection of inspection equipment or shutdown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251098.8A CN104014099B (en) | 2014-01-17 | 2014-06-06 | A kind of smoke fire detector response lag on-line measuring device |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024275 | 2014-01-17 | ||
| CN2014100242759 | 2014-01-17 | ||
| CN201410024275.9 | 2014-01-17 | ||
| CN201410251098.8A CN104014099B (en) | 2014-01-17 | 2014-06-06 | A kind of smoke fire detector response lag on-line measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104014099A CN104014099A (en) | 2014-09-03 |
| CN104014099B true CN104014099B (en) | 2018-03-02 |
Family
ID=51309210
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251098.8A Active CN104014099B (en) | 2014-01-17 | 2014-06-06 | A kind of smoke fire detector response lag on-line measuring device |
| CN201410251100.1A Active CN103994986B (en) | 2014-01-17 | 2014-06-06 | Portable type device for detecting response threshold of smoke fire detector |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251100.1A Active CN103994986B (en) | 2014-01-17 | 2014-06-06 | Portable type device for detecting response threshold of smoke fire detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104014099B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014099B (en) * | 2014-01-17 | 2018-03-02 | 徐继承 | A kind of smoke fire detector response lag on-line measuring device |
| CN105136978B (en) * | 2015-07-14 | 2017-03-01 | 营口天成消防设备有限公司 | Demarcate smoke box |
| CN110243739B (en) * | 2019-06-21 | 2020-01-17 | 广东荣业消防工程有限公司 | Portable fire scene environment detection device |
| CN110751817B (en) * | 2019-10-23 | 2021-10-08 | 应急管理部沈阳消防研究所 | Device and method for testing response performance of fire detector in low-temperature environment |
| CN110780043B (en) * | 2019-11-21 | 2022-01-04 | 深圳市泛海三江电子股份有限公司 | Method for obtaining high-precision detector orientation test result |
| CN113450527B (en) * | 2020-03-27 | 2023-03-14 | 比亚迪股份有限公司 | Method, device and system for testing smoke perception function |
| CN114923510A (en) * | 2022-05-10 | 2022-08-19 | 中广核核电运营有限公司 | Threshold value inspection device and threshold value inspection method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101361104A (en) * | 2005-11-24 | 2009-02-04 | 萨塔有限公司 | Test equipment for testing hazard detectors |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105370A (en) * | 1988-04-14 | 1992-04-14 | Fike Corporation | Environmental detection system useful for fire detection and suppression |
| US5552765A (en) * | 1993-07-12 | 1996-09-03 | Detection Systems, Inc. | Smoke detector with individually stored range of acceptable sensitivity |
| GB0010558D0 (en) * | 2000-05-02 | 2000-06-21 | No Climb Prod Ltd | Ducted test tool |
| GB2409319B (en) * | 2003-12-16 | 2006-11-15 | Sata Ltd | Synthetic smoke generator and smoke detector tester using such a generator |
| GB0427229D0 (en) * | 2004-12-13 | 2005-01-12 | Sata Ltd | Synthetic smoke generator and smoke detector tester using such a generator |
| CN101923767B (en) * | 2010-07-30 | 2012-09-19 | 蚌埠依爱消防电子有限责任公司 | Smoke-sensitive fire detector auto-calibrating device |
| CN201988092U (en) * | 2011-01-06 | 2011-09-28 | 宝钢发展有限公司 | Visual dedicated multifunctional tool for fire fighting in ultrahigh space |
| CN102163364A (en) * | 2011-03-23 | 2011-08-24 | 长春理工大学 | Smoke detector sensitivity detecting device based on obscuration principle |
| CN202105358U (en) * | 2011-04-15 | 2012-01-11 | 苏州热工研究院有限公司 | Tester of smoke detector |
| CN201993877U (en) * | 2011-04-28 | 2011-09-28 | 四川汉宇航空科技有限公司 | Smog box for detecting smog detector |
| CN104014099B (en) * | 2014-01-17 | 2018-03-02 | 徐继承 | A kind of smoke fire detector response lag on-line measuring device |
-
2014
- 2014-06-06 CN CN201410251098.8A patent/CN104014099B/en active Active
- 2014-06-06 CN CN201410251100.1A patent/CN103994986B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101361104A (en) * | 2005-11-24 | 2009-02-04 | 萨塔有限公司 | Test equipment for testing hazard detectors |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103994986B (en) | 2017-01-18 |
| CN103994986A (en) | 2014-08-20 |
| CN104014099A (en) | 2014-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104014099B (en) | A kind of smoke fire detector response lag on-line measuring device | |
| CN105894936B (en) | A kind of underground coal mine exogenous fire small size simulated experiment platform | |
| CN111261011B (en) | Mine fire simulation experiment platform and experiment method | |
| CN104360419A (en) | Multi-parameter sensing module | |
| CN108039107A (en) | A kind of propagation of flame experimental system for simulating | |
| CN103292835A (en) | Comprehensive detection simulation experiment device for fire detection performance | |
| CN109375531A (en) | The intelligent storage control integration system of silo | |
| CN105928975A (en) | Variable-atmosphere pressure heat conductivity coefficient testing device based on transient plane source method | |
| CN110017864A (en) | A kind of fugitive dust monitor | |
| CN204228984U (en) | Multi-parameter sensing module | |
| CN109974197A (en) | A kind of building central air conditioner intelligent control system | |
| CN110068004A (en) | A kind of power boiler burning intelligence control system and application method | |
| CN206021744U (en) | A kind of underground coal mine exogenous fire small size simulated experiment platform | |
| CN114279917A (en) | Air quality monitoring equipment | |
| JP2003130752A (en) | Gas leakage detector | |
| CN206237507U (en) | Monitor in real time oxidation furnace | |
| CN206095442U (en) | Switching station temperature monitoring device | |
| CN205235248U (en) | Intelligent building fire control detection device | |
| WO2023179354A1 (en) | Leaf in-situ dark adaptation device and method for chlorophyll fluorescence monitoring | |
| CN203338503U (en) | Simulation experiment device for fire detection performance comprehensive detection | |
| CN204142664U (en) | A kind of miniature calorimeter | |
| CN208155002U (en) | System is dried automatically in a kind of vermicelli room | |
| CN107300572B (en) | System and method for testing critical thermal radiation flux of flooring material | |
| CN212085509U (en) | Automatic intelligent power distribution cabinet puts out a fire | |
| CN107589148A (en) | A kind of controlled atmosphere unstable state heat-pole method heat conduction coefficient tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |