CN113156057B - Smoke detector calibration device - Google Patents
Smoke detector calibration device Download PDFInfo
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- CN113156057B CN113156057B CN202110243589.8A CN202110243589A CN113156057B CN 113156057 B CN113156057 B CN 113156057B CN 202110243589 A CN202110243589 A CN 202110243589A CN 113156057 B CN113156057 B CN 113156057B
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- 239000000779 smoke Substances 0.000 title claims abstract description 152
- 239000000523 sample Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 46
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 240000002836 Ipomoea tricolor Species 0.000 claims description 4
- 239000004509 smoke generator Substances 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
- G01N33/0008—Details concerning storage of calibration data, e.g. in EEPROM
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention relates to a smoke detector calibration device, which comprises a smoke box, a bearing plate and a calibration table, wherein the bearing plate and the calibration table are arranged on a supporting frame; a calibration bin with a downward opposite interface is arranged above the lifting plate, and a smoke filling and discharging system for filling or discharging smoke into or out of the calibration bin is arranged between the calibration bin and the smoke box; a movable tooling plate is arranged above the bearing plate, and the bearing plate is provided with a push-pull mechanism for pushing the tooling plate to the lifting plate or pulling the tooling plate back to the bearing plate; the tool plate is provided with a plurality of clamping seats with contacts, one end of the lifting plate is provided with a probe seat, the tool plate is provided with a probe hub matched with the probe seat, and the probe hub is electrically connected with the contacts; the probe seat, the lifting mechanism, the smoke filling and discharging system and the push-pull mechanism are electrically connected with a controller, and the controller is electrically connected with a computer. The invention can calibrate a plurality of smoke detectors simultaneously, and has the advantages of simple operation, high calibration efficiency and accurate calibration.
Description
Technical Field
The invention relates to the technical field of smoke detectors, in particular to a calibration device of a smoke detector.
Background
The fire is usually reflected in three forms of smoke, heat and light, and the substances are in a smoldering stage at the early stage of the fire due to low temperature, so that a large amount of smoke is generated, the smoke is one of important characteristics of the early fire, and a smoke detector is developed and researched by utilizing the characteristics.
The smoke detector is a device for converting the change of the smoke concentration of a detection part into an electric signal to realize the alarm purpose, so that the calibration of the smoke detector is particularly important. The existing smoke detector calibration has the problems of low calibration efficiency, complicated steps, uneven smoke concentration, low detection precision and the like.
Disclosure of Invention
The invention aims to provide a smoke detector calibration device which can calibrate a plurality of smoke detectors at the same time and has the advantages of simplicity and convenience in operation, high calibration efficiency and accuracy in calibration.
The aim of the invention is realized by the following technical scheme:
The utility model provides a smoke detector calibration device, includes the smoke box, the smoke box lower extreme is equipped with the base, be equipped with the support frame on the base, the support frame is equipped with loading board and calibration platform along length direction in proper order, the calibration platform includes adjacent and the mounting panel of fixing on the support frame with the loading board, the mounting panel edge is equipped with two at least vertical guide posts, the mounting panel top is equipped with the lifter plate of sliding connection on the guide post, the upper surface of lifter plate and loading board is located the coplanar, the mounting panel lower extreme is equipped with the elevating system that can drive the lifter plate and reciprocate; the upper end of the guide post is fixedly connected with a hollow calibration bin, the lower end of the calibration bin is provided with a butt joint communicated with a cavity of the calibration bin, the lifting plate is matched with the butt joint, and a smoke filling and discharging system for filling or discharging smoke into or out of the calibration bin is arranged between the calibration bin and the smoke box; a tool plate capable of horizontally moving is arranged above the bearing plate, and a push-pull mechanism for horizontally pushing the tool plate to the upper part of the lifting plate or pulling the tool plate back to the upper part of the bearing plate is arranged on the bearing plate; the automatic cigarette detection device is characterized in that a plurality of clamping bases used for placing a cigarette detector to be marked are arranged on the upper surface of the tool plate, contacts electrically connected with the cigarette detector to be marked are arranged on the clamping bases, a probe base is arranged at one end, far away from the bearing plate, of the lifting plate, a probe hub matched with the probe base is arranged on one side of the tool plate, the probe hub is electrically connected with a plurality of corresponding contacts, the probe base, the lifting mechanism, the smoke charging and discharging system and the push-pull mechanism are electrically connected with a controller respectively, and the controller is electrically connected with a computer.
The smoke detector calibration device comprises a lifting mechanism, wherein the lifting mechanism comprises a lifting cylinder fixedly connected below a mounting plate, a through hole is formed in the mounting plate, and a cylinder rod of the lifting cylinder vertically penetrates through the through hole and is fixedly connected with a lifting plate.
The smoke detector calibration device comprises a smoke inlet pipe and a smoke outlet pipe which are communicated between the smoke box and the calibration bin, wherein the smoke inlet pipe and the smoke outlet pipe on one side of the calibration bin are respectively connected with a smoke inlet stop valve and a smoke outlet stop valve, and the smoke outlet pipe is connected with an exhaust pump.
The smoke detector calibration device is characterized in that a pressure release valve and a pressure gauge which are communicated with the cavity of the calibration bin are arranged on the outer side of the calibration bin, and a flow meter is arranged on a smoke exhaust pipe between the exhaust pump and the smoke exhaust stop valve.
The smoke detector calibration device comprises a push-pull mechanism, wherein the push-pull mechanism comprises a linear air cylinder fixed at the center of the lower part of a bearing plate, a guide rod of the linear air cylinder is arranged along the length direction of a supporting frame, the center of the bearing plate is provided with a sliding groove along the length direction of the supporting frame, a floating block is fixed on a piston of the linear air cylinder, the floating block is embedded in the sliding groove, one end, opposite to a mounting plate, of the floating block is provided with a first electromagnetic chuck, one end, opposite to the first electromagnetic chuck, of the tooling plate is provided with a first iron bar, and the first electromagnetic chuck is matched with the first iron bar.
The smoke detector calibration device is characterized in that a second iron bar is arranged at one end, opposite to the first iron bar, of the tooling plate, and a second electromagnetic chuck matched with the second iron bar is arranged at one end, far away from the bearing plate, of the lifting plate.
The smoke detector calibration device is characterized in that the upper surfaces of the bearing plate and the lifting plate are respectively provided with a plurality of flying saucer universal wheels, two sides of the bearing plate and the lifting plate are respectively provided with a pair of parallel limiting wheel sets along the length direction of the supporting frame, each limiting wheel group comprises a plurality of vertically arranged guide wheels, and the distance between the two limiting wheel groups is matched with the width of the tooling plate.
According to the smoke detector calibration device, the annular groove is formed in the outer edge of the surface of the lifting plate, and the sealing ring is embedded in the annular groove.
The smoke detector calibration device is characterized in that the smoke box is provided with a flat square ring body with a hollow inner cavity, the smoke box is connected with a smoke generator for generating smoke, and the support frame penetrates through the middle of the smoke box and is fixed on the base.
In summary, the beneficial technical effects of the invention are as follows:
The invention can simultaneously place a plurality of smoke detectors to be marked on the tooling plate, push the tooling plate to the upper part of the lifting plate through the linear cylinder, synchronously lift or lower the lifting plate and the tooling plate through the lifting mechanism, push the tooling plate to the marking bin after the lifting plate is lifted, the lifting plate is connected with the butt joint of the calibration bin in a sealing way, smoke is filled into the calibration bin through the smoke filling and discharging system, and when the smoke in the cavity of the calibration bin reaches the required concentration, the computer control controller writes relevant data into the smoke detector to be calibrated. The system can write calibration data into a plurality of smoke detectors simultaneously, and has the characteristics of simplicity and convenience in operation, high calibration efficiency and accuracy in calibration.
Drawings
FIG. 1 is a schematic diagram of the front view of the present invention;
FIG. 2 is a schematic view of the structure of the removal tooling plate of the present invention;
FIG. 3 is a schematic rear view of the present invention;
FIG. 4 is a schematic view of the structure of the smoke removal box of the present invention;
FIG. 5 is a schematic view of the construction of the calibration bin of the present invention;
fig. 6 is a schematic structural view of the tool bar of the present invention.
The diagram is 1, a smoke box; 11. a base; 2. a support frame; 21. a carrying plate; 22. a calibration table; 221. a mounting plate; 2211. a guide post; 222. a lifting plate; 2221. a probe seat; 2222. a second electromagnetic chuck; 2223. an annular groove; 223. a lifting cylinder; 224. calibrating a bin; 2241. an interface; 2242. a pressure release valve; 2243. a pressure gauge; 2244. a flow meter; 3. a smoke charging and discharging system; 31. a smoke inlet pipe; 32. a smoke exhaust pipe; 33. a smoke inlet stop valve; 34. a smoke discharge stop valve; 35. an exhaust pump; 4. a tooling plate; 41. a clamping seat; 42. a probe hub; 43. a first iron bar; 44. a second iron bar; 5. a push-pull mechanism; 51. a straight line cylinder; 52. a chute; 53. a slider; 531. a first electromagnetic chuck; 6. flying saucer universal wheels; 7. a limiting wheel set; 71. a guide wheel; 8. and (5) a smoke detector for marking.
Detailed Description
The invention is described in further detail below with reference to fig. 1-6.
As shown in fig. 1-6, a calibration device for a smoke detector comprises a smoke box 1, wherein the smoke box 1 is a flat square ring body with a hollow inner cavity, a smoke generator (not shown in the figure) for generating smoke is connected to the smoke box 1, a base 11 is arranged at the lower end of the smoke box 1, a support frame 2 is fixedly connected to the base 11, the middle part of the smoke box 1 is penetrated by the support frame 2, and the length direction of the support frame 2 is parallel to the axis of a through hole in the center of the smoke box 1.
The support frame 2 is equipped with loading board 21 and marks platform 22 in proper order along length direction, marks platform 22 and is close to smoke box 1 one side, marks platform 22 and includes the mounting panel 221 adjacent and fixed on support frame 2 with loading board 21, and the mounting panel 221 edge is equipped with four vertical guide posts 2211, and mounting panel 221 top is equipped with elevating board 222 of sliding connection on guide posts 2211, and the upper surface of elevating board 222 and loading board 21 is located the coplanar, and the mounting panel 221 lower extreme is equipped with the elevating system that can drive elevating board 222 and reciprocate. The upper end of the guide pillar 2211 is fixedly connected with a hollow calibration bin 224, the lower end of the calibration bin 224 is provided with a butt joint 2241 communicated with a cavity of the calibration bin, the lifting plate 222 is matched with the butt joint 2241, and a smoke filling and discharging system 3 for filling or discharging smoke into or out of the calibration bin 224 is arranged between the calibration bin 224 and the smoke box 1.A horizontally movable tooling plate 4 is arranged above the bearing plate 21, and a push-pull mechanism 5 for horizontally pushing the tooling plate 4 to the upper part of the lifting plate 222 or pulling the tooling plate back to the upper part of the bearing plate 21 is arranged on the bearing plate 21. The upper surface of frock board 4 evenly is equipped with a plurality of cassette 41 that are used for placing waiting to mark smoke and feel detector 8, is equipped with the contact (not shown in the figure) that is connected with waiting to mark smoke and feel detector 8 on the cassette 41, and the one end that lifter plate 222 kept away from loading board 21 is equipped with probe seat 2221, and frock board 4 one side is equipped with the probe concentrator 42 with probe seat 2221 adaptation, and probe concentrator 42 is connected with a plurality of corresponding contact electricity, and probe concentrator 42 of this embodiment sets up three. The probe seat 2221, the lifting mechanism, the smoke charging and discharging system 3 and the push-pull mechanism 5 are respectively and electrically connected with a controller (not shown in the figure), and the controller is electrically connected with a computer. The controller is used for coordinating the work of the lifting mechanism, the smoke filling and discharging system 3 and the push-pull mechanism 5, and relevant data are written into the smoke detector 8 to be marked through the computer control controller.
The lifting mechanism of the present embodiment includes a lifting cylinder 223 fixedly connected below a mounting plate 221, a through hole (not shown in the figure) is provided on the mounting plate 221, and a cylinder rod of the lifting cylinder 223 vertically penetrates through the through hole and is fixedly connected with the lifting plate 222.
The smoke filling and discharging system 3 comprises a smoke inlet pipe 31 and a smoke outlet pipe 32 which are communicated between the smoke box 1 and the calibration bin 224, wherein the smoke inlet pipe 31 and the smoke outlet pipe 32 on one side of the calibration bin 224 are respectively connected with a smoke inlet stop valve 33 and a smoke outlet stop valve 34, and the smoke outlet pipe 32 is connected with an exhaust pump 35. The outside of the calibration bin 224 is provided with a pressure release valve 2242 and a pressure gauge 2243 which are communicated with the cavity of the calibration bin, a flow meter 2244 is arranged on the smoke exhaust pipe 32 between the exhaust pump 35 and the smoke exhaust stop valve 34, and the flow rate of smoke is controlled by the flow meter; the pressure gauge 2243 may display the pressure within the calibration chamber 224. The smoke inlet pipe 31, the smoke outlet pipe 32, the smoke inlet stop valve 33, the smoke outlet stop valve 34, the air suction pump 35 and the flowmeter 2244 of the present embodiment are all provided with three groups.
The push-pull mechanism 5 comprises a linear air cylinder 51 fixed in the center below the bearing plate 21, a guide rod of the linear air cylinder 51 is arranged along the length direction of the supporting frame 2, a sliding groove 52 is formed in the center of the bearing plate 21 along the length direction of the supporting frame 2, a floating block 53 is fixed on a piston of the linear air cylinder 51, the floating block 53 is embedded in the sliding groove 52, and the floating block 53 can move along the sliding groove 52. The end of the floating block 53 opposite to the mounting plate 221 is provided with a first electromagnetic chuck 531, the end of the tooling plate 4 opposite to the first electromagnetic chuck 531 is provided with a first iron bar 43, the first electromagnetic chuck 531 is matched with the first iron bar 43, and when the first electromagnetic chuck 531 is electrified, the first electromagnetic chuck 531 can be attracted with the first iron bar 43 on the tooling plate 4, so that the tooling plate 4 and the floating block 53 of the linear cylinder 51 can synchronously move. Position sensors are also installed at two ends of one side along the length direction of the linear cylinder 51, and the position sensors are used for detecting whether the stroke of the linear cylinder 51 is in place or not.
In order to avoid the shake of the tooling plate 4 on the lifting plate 222 when the tooling plate 4 moves above the lifting plate 222, a second iron bar 44 is arranged at one end of the tooling plate 4 opposite to the first iron bar 43, and a second electromagnetic chuck 2222 matched with the second iron bar 44 is arranged at one end of the lifting plate 222 away from the bearing plate 21. When the linear air cylinder 51 horizontally pushes the tool plate 4 to the position above the lifting plate 222, the second electromagnetic chuck 2222 is electrified, and the second electromagnetic chuck 2222 is attracted with the second iron bar 44, so that the tool plate 4 and the lifting plate 222 are firmly attracted together; at this time, the probe holder 2221 on the lifting plate 222 is inserted into the probe hub 42 on the tooling plate 4, so that the smoke detector 8 to be marked is electrically connected with the computer through the contact, the probe hub 42, the probe holder 2221 and the controller, and the transmission of related signals is realized.
In order to reduce the sliding resistance of the tooling plate 4 on the bearing plate 21 and the lifting plate 222 and ensure the consistency of the sliding direction of the tooling plate 4, a plurality of flying saucer universal wheels 6 which are uniformly distributed are respectively arranged on the upper surfaces of the bearing plate 21 and the lifting plate 222, a pair of parallel limiting wheel sets 7 are respectively arranged on two sides of the bearing plate 21 and the lifting plate 222 along the length direction of the supporting frame 2, each limiting wheel set 7 comprises a plurality of vertically arranged guide wheels 71, the distance between the two limiting wheel sets 7 is matched with the width of the tooling plate 4, and the tooling plate 4 is ensured to slide horizontally in the two limiting wheel sets 7.
In order to improve the sealing performance between the calibration bin 224 and the lifting plate 222, an annular groove 2223 is formed in the outer edge of the upper surface of the lifting plate 222, and a sealing ring is embedded in the annular groove 2223. When the lifting plate 222 is lifted upwards, the sealing ring abuts against and seals against the interface 2241 at the lower end of the calibration bin 224.
The working process of the invention is as follows: firstly, placing a plurality of smoke detectors 8 to be marked on a clamping seat 41 of a tool plate 4, electrifying a first electromagnetic chuck 531 to be attracted with a first iron bar 43 on the tool plate 4, horizontally pushing the tool plate 4 to the upper part of a lifting plate 222 through a linear cylinder 51, electrifying a second electromagnetic chuck 2222 to be attracted with a second iron bar 44 on the tool plate 4, and simultaneously plugging a probe seat 2221 on the lifting plate 222 with a probe concentrator 42 on the tool plate 4; the lifting cylinder 223 is started to synchronously push the lifting plate 222 and the tooling plate 4 upwards, the tooling plate 4 is pushed into the calibration bin 224, and the lifting plate 222 is in sealing connection with the butt joint 2241 of the calibration bin 224; the smoke generator is started to generate smoke, the smoke box 1 is fully filled with the smoke, the smoke inlet stop valve 33 is closed, the smoke discharge stop valve 34 is opened, the air suction pump 35 is started, when the specified negative pressure is reached in the calibration bin 224, the smoke inlet stop valve 33 is opened, the smoke discharge stop valve 34 is closed, the smoke in the smoke box 1 enters the calibration bin 224 under the action of the negative pressure, when the smoke concentration in the calibration bin 224 reaches the calibration requirement, the computer control controller writes in the voltage value of the smoke detector 8 to be calibrated, and the voltage value is the alarm value when the smoke detector is used and the smoke of harmful gas reaches a certain concentration. The device pumps the calibration bin 224 into a specified negative pressure, so that the concentration of smoke entering the calibration bin 224 can be kept consistent, and the replacement with air is reduced.
After the calibration work is finished, the smoke inlet stop valve 33 is closed, the smoke exhaust stop valve 34 is opened, the air suction pump 35 is started, the calibration bin 224 is pumped to a specified negative pressure, the smoke exhaust stop valve 34 is closed, the air suction pump 35 is closed, the pressure release valve 2242 is opened to enable the pressure in the calibration bin 224 to be normal pressure, then the lifting air cylinder 223 is controlled to move downwards, and the lifting plate 222 and the tooling plate 4 are synchronously lowered to the position above the mounting plate 221 through the lifting air cylinder 223; the second electromagnetic chuck 2222 is powered off, so that the second electromagnetic chuck 2222 is separated from the second iron bar 44, meanwhile, the probe seat 2221 on the lifting plate 222 is separated from the probe hub 42 on the tool plate 4, the linear air cylinder 51 is started, the floating block of the linear air cylinder 51 moves to the tool plate 4, the first electromagnetic chuck 531 is powered on and is attracted with the first iron bar 43, the floating block 53 of the linear air cylinder 51 moves in the direction away from the lifting plate 222, the floating block 53 horizontally pulls the tool plate 4 back to the upper side of the bearing plate 21, and the calibrated smoke detector is taken down, so that the calibration of the smoke detector is completed. The above process is repeated as such.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (8)
1. The smoke detector calibration device is characterized by comprising a smoke box, wherein the lower end of the smoke box is provided with a base, the base is provided with a support frame, the support frame is sequentially provided with a bearing plate and a calibration table along the length direction, the calibration table comprises a mounting plate which is adjacent to the bearing plate and fixed on the support frame, at least two vertical guide posts are arranged at the edge of the mounting plate, a lifting plate which is in sliding connection with the guide posts is arranged above the mounting plate, the lifting plate and the upper surface of the bearing plate are positioned on the same plane, and the lower end of the mounting plate is provided with a lifting mechanism which can drive the lifting plate to move up and down; the upper end of the guide post is fixedly connected with a hollow calibration bin, the lower end of the calibration bin is provided with a butt joint communicated with a cavity of the calibration bin, the lifting plate is matched with the butt joint, and a smoke filling and discharging system for filling or discharging smoke into or out of the calibration bin is arranged between the calibration bin and the smoke box; a tool plate capable of horizontally moving is arranged above the bearing plate, and a push-pull mechanism for horizontally pushing the tool plate to the upper part of the lifting plate or pulling the tool plate back to the upper part of the bearing plate is arranged on the bearing plate; the upper surface of the tooling plate is provided with a plurality of clamping seats for placing smoke detectors to be marked, the clamping seats are provided with contacts electrically connected with the smoke detectors to be marked, one end of the lifting plate, which is far away from the bearing plate, is provided with a probe seat, one side of the tooling plate is provided with a probe hub which is matched with the probe seat, the probe hub is electrically connected with a plurality of corresponding contacts, the probe seat, the lifting mechanism, the smoke charging and discharging system and the push-pull mechanism are respectively electrically connected with a controller, and the controller is electrically connected with a computer; the smoke box is a flat square ring body with a hollow inner cavity, the smoke box is connected with a smoke generator for generating smoke, the lower end of the smoke box is provided with a base, a support frame is fixedly connected to the base, the middle of the smoke box is penetrated by the support frame, and the length direction of the support frame is parallel to the axis of a through hole in the center of the smoke box.
2. The smoke detector calibration device according to claim 1, wherein the lifting mechanism comprises a lifting cylinder fixedly connected below a mounting plate, a through hole is formed in the mounting plate, and a cylinder rod of the lifting cylinder vertically penetrates through the through hole and is fixedly connected with the lifting plate.
3. The smoke detector calibration device according to claim 1, wherein the smoke filling and exhausting system comprises a smoke inlet pipe and a smoke exhaust pipe which are communicated between the smoke box and the calibration bin, the smoke inlet pipe and the smoke exhaust pipe on one side of the calibration bin are respectively connected with a smoke inlet stop valve and a smoke exhaust stop valve, and the smoke exhaust pipe is connected with an exhaust pump.
4. The smoke detector calibration device according to claim 3, wherein a pressure release valve and a pressure gauge which are communicated with the cavity of the calibration bin are arranged on the outer side of the calibration bin, and a flow meter is arranged on a smoke exhaust pipe between the exhaust pump and the smoke exhaust stop valve.
5. The smoke detector calibration device according to claim 1, wherein the push-pull mechanism comprises a linear cylinder fixed at the center below the bearing plate, a guide rod of the linear cylinder is arranged along the length direction of the supporting frame, a sliding groove is formed in the center of the bearing plate along the length direction of the supporting frame, a floating block is fixed on a piston of the linear cylinder and embedded in the sliding groove, a first electromagnetic chuck is arranged at one end of the floating block opposite to the mounting plate, a first iron bar is arranged at one end of the tooling plate opposite to the first electromagnetic chuck, and the first electromagnetic chuck is matched with the first iron bar.
6. The smoke detector calibration device according to claim 5, wherein a second iron bar is arranged at one end of the tooling plate opposite to the first iron bar, and a second electromagnetic chuck matched with the second iron bar is arranged at one end of the lifting plate far away from the bearing plate.
7. The smoke detector calibration device according to claim 1, wherein a plurality of flying saucer universal wheels are respectively arranged on the upper surfaces of the bearing plate and the lifting plate, a pair of parallel limiting wheel sets are respectively arranged on two sides of the bearing plate and the lifting plate along the length direction of the support frame, each limiting wheel set comprises a plurality of vertically arranged guide wheels, and the distance between two limiting wheel sets is matched with the width of the tooling plate.
8. The smoke detector calibration device according to claim 1, wherein an annular groove is formed in the outer edge of the upper surface of the lifting plate, and a sealing ring is embedded in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110243589.8A CN113156057B (en) | 2021-03-05 | 2021-03-05 | Smoke detector calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110243589.8A CN113156057B (en) | 2021-03-05 | 2021-03-05 | Smoke detector calibration device |
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| CN113156057A CN113156057A (en) | 2021-07-23 |
| CN113156057B true CN113156057B (en) | 2024-07-30 |
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| CN202110243589.8A Active CN113156057B (en) | 2021-03-05 | 2021-03-05 | Smoke detector calibration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214334874U (en) * | 2021-03-05 | 2021-10-01 | 北京元亨利业科技有限公司 | Smoke detector calibration device |
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| CN102136165B (en) * | 2010-12-23 | 2012-07-25 | 西安印钞有限公司 | System and method for detecting front and back face qualities of imprinted Renminbi (RMB) large-page product |
| KR101325761B1 (en) * | 2012-04-26 | 2013-11-08 | 기가비스주식회사 | Optical inspection device |
| CN109279347A (en) * | 2018-01-29 | 2019-01-29 | 广东利元亨智能装备有限公司 | A kind of intelligence smoke box detection device |
| CN210110019U (en) * | 2019-07-25 | 2020-02-21 | 深圳泽保智能科技有限公司 | Photoelectric smoke detector testing device |
| CN111504622B (en) * | 2020-04-23 | 2022-01-07 | 益阳市科惠汽配有限公司 | Automobile air conditioner compressor electric control valve calibration machine |
| CN112161903A (en) * | 2020-10-26 | 2021-01-01 | 深圳市泛海三江电子股份有限公司 | Smoke box capable of detecting smoke-sensitive fire detectors in batches and using method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214334874U (en) * | 2021-03-05 | 2021-10-01 | 北京元亨利业科技有限公司 | Smoke detector calibration device |
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