CN215003946U - Infrared flame detector - Google Patents

Infrared flame detector Download PDF

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Publication number
CN215003946U
CN215003946U CN202121115675.2U CN202121115675U CN215003946U CN 215003946 U CN215003946 U CN 215003946U CN 202121115675 U CN202121115675 U CN 202121115675U CN 215003946 U CN215003946 U CN 215003946U
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China
Prior art keywords
flame detector
infrared
circuit board
lamp
fixedly connected
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CN202121115675.2U
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Chinese (zh)
Inventor
任斌
李涛
于治军
姜华
李恩清
强乐乐
孙宁峰
吕颂华
曹玉辉
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China Petroleum and Chemical Corp
Sinopec Shengli Oilfield Co Offshore Oil Extraction Plant
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China Petroleum and Chemical Corp
Sinopec Shengli Oilfield Co Offshore Oil Extraction Plant
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Priority to CN202121115675.2U priority Critical patent/CN215003946U/en
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Abstract

The utility model relates to a detector technical field specifically is an infrared flame detector. An infrared flame detector comprises a fixture block, wherein a detection mechanism is detachably connected to the fixture block; the detection mechanism includes the shell of joint on the fixture block, the one end of shell is provided with the back lid, and the other end of shell is provided with the circuit board, the inside of shell is provided with a plurality of end to end's lithium cell, and the lithium cell is located between circuit board and the back lid, circuit board and lithium cell electric connection, the terminal surface fixedly connected with lamp stand of circuit board, and the output of circuit board and the socket electric connection of lamp stand, fixedly connected with lamp shade on the lamp stand, be provided with the infrared lamp in the lamp shade. The utility model has the advantages that: the infrared flame detector has the advantages of more convenient cleaning, more convenient detection and more accurate result on the window of the flame detector.

Description

Infrared flame detector
Technical Field
The utility model relates to a detector technical field specifically is an infrared flame detector.
Background
The flame detector is also called a photosensitive fire detector, and can sense the optical characteristics of a fire, and in a specific detection area range, the flame detector can judge the fire condition and send out an alarm according to the illumination intensity and the flickering frequency of the flame during the combustion of the flame.
In order to ensure the normal alarm function of the infrared flame detector, whether the surface of a detector window is clean or not needs to be checked frequently, and the infrared flame detector needs to be wiped regularly. Unclean infrared flame detector window can influence infrared flame detector's sensitivity, can cause infrared flame detector not report to the police when taking place the condition of a fire in the serious occasion.
And, the detector must be tested after the installation is finished or after the maintenance of periodic maintenance every time, but current check out test set is when using, and is clean inconvenient, and the infrared emission light source that matches various infrared flame detectors can not general each other because wave band and scintillation frequency are different, and infrared emission light source camera lens and flame detector window angle centering are difficult, and infrared ray scattering rate is big, and most can not directly shoot into infrared flame detector window inside for the testing result is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide an infrared flame detector and solve current infrared flame detector when detecting, infrared flame detector window is not convenient for clean, detect inconvenient, the unsafe problem of result.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an infrared flame detector comprises a fixture block, wherein a detection mechanism is detachably connected to the fixture block;
the detection mechanism comprises a shell which is clamped on the fixture block, a rear cover is arranged at one end of the shell, a circuit board is arranged at the other end of the shell, a plurality of lithium batteries which are connected end to end are arranged in the shell, the lithium batteries are positioned between the circuit board and the rear cover, the circuit board is electrically connected with the lithium batteries, a lamp holder is fixedly connected with the end face of the circuit board, the output end of the circuit board is electrically connected with a socket of the lamp holder, a lampshade is fixedly connected on the lamp holder, an infrared lamp is arranged in the lampshade, the infrared lamp penetrates through the center of the lampshade and is inserted into the socket of the lamp holder, a radiation chamber is fixedly connected with one end of the shell close to the circuit board and is sleeved outside the lampshade, a plug board is arranged at one end of the radiation chamber far away from the circuit board, a light filter is inserted into the side wall of the plug board, and a light beam collimator is fixedly connected with the end face of the plug board close to the lampshade, and the beam collimator is positioned at the center of the radiation chamber and is arranged concentrically with the infrared lamp and the lampshade.
The utility model has the advantages that:
1. the infrared flame detector can detect an infrared flame detector with a wave band range of 2.5-6.0 mu m, an infrared lamp emits infrared light rays of the whole wave band, and a controller adjusts and displays different frequencies to simulate the flickering state of flame; the gold-plated coating of the lampshade can reflect and gather light rays to reduce absorption, irregularly scattered light rays are converted into flat infrared light beams after passing through the light beam collimator, the replaceable optical filters with various specifications in the plugboard filter redundant infrared light, the residual light rays directly enter the infrared sensor of the flame detector, and the alarm action of the infrared flame detector is accurately triggered by matching with a specific flicker frequency to detect whether a fire controller and a circuit alarm normally or not; the laser sighting device and the miniature camera head which are arranged at the front end can assist the emission window of the detector to aim at the detection window of the flame detector and transmit images to the display screen to check the working state of the detector and whether the window is clean; after the detector is arranged in the clamping block, the universal joint drives the clamping block to adjust the direction at will, so that the requirement of detecting the angle is met; the telescopic rod can be adjusted to any height, so that the danger of ascending of detection personnel is avoided; the internal power supply of the mobile motor drives the cleaning brush to rotate, the cleaning brush is supported by the telescopic rod and the universal joint, the high-altitude flame detector window is cleaned and maintained, the risk of ascending a height of personnel is avoided, and the cleaning is more convenient, the detection is more convenient, and the result is more accurate.
2. According to the infrared flame detector, the telescopic rod and the universal joint are adjusted to be proper in height and angle, and a detector window is cleaned by the aid of the cleaning brush; after the detection, adjusting the frequency of the controller according to the detection frequency and infrared band requirements of flame detectors of different models, replacing the optical filter in the fixture block and emitting infrared rays meeting the alarm requirement; utilize miniature camera head and laser sight supplementary, with infrared ray injection detector infrared sensor in triggering the warning, whether inspection detector pilot lamp state and fire alarm control system report to the police, record testing result, clean more convenient, detect more convenient, testing result is more accurate.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, can dismantle on the fixture block and be connected with clean mechanism, clean mechanism includes the mobile motor of joint on the fixture block, the output fixedly connected with holder of mobile motor, the cleaning brush of fixedly connected with on the holder, be provided with shift knob on the mobile motor.
Adopt above-mentioned further scheme's beneficial effect is that, the built-in power supply of mobile motor drives the cleaning brush rotation, cleans the maintenance to the flame detector window, avoids personnel's risk of ascending a height, and it is more convenient to clean.
Further, a controller is arranged on the side wall of the shell and electrically connected with the lithium battery and the circuit board.
The beneficial effect of adopting above-mentioned further scheme is that, the controller adjusts the scintillation state that shows different frequencies and simulate flame.
Furthermore, the side wall of the clamping block is fixedly connected with a universal joint.
The beneficial effect who adopts above-mentioned further scheme is that the universal joint drives the fixture block and adjusts the direction wantonly, satisfies the detection angle requirement.
Furthermore, the universal joint is far away from one end fixedly connected with telescopic link of fixture block.
Adopt above-mentioned further scheme's beneficial effect be, the adjustable arbitrary height of telescopic link avoids the measurement personnel danger of ascending a height.
Further, the handle position of telescopic link is provided with the display screen, and display screen and lithium cell electric connection.
The beneficial effect of adopting above-mentioned further scheme is that can transmit the image to the display screen and check whether detector operating condition and window are clean.
Furthermore, a protective cover is fixedly connected to one end, far away from the lampshade, of the inserting plate.
The beneficial effect of adopting the above-mentioned further scheme is, play the guard action.
Further, the radiation chamber is fixedly connected with the side wall of the shell through threads.
Adopt above-mentioned further scheme's beneficial effect be convenient for install the dismantlement to the radiation room.
Furthermore, a laser sighting device is embedded in the side wall of the inserting plate.
Adopt above-mentioned further scheme's beneficial effect be convenient for supplementary detector transmission window aim at flame detector and detect the window.
Further, the lateral wall of picture peg inlays and is equipped with miniature camera, and miniature camera and display screen wireless connection.
The beneficial effect of adopting above-mentioned further scheme is that can assist detector emission window to aim at flame detector and detect the window to transmit the image to the display screen.
Drawings
Fig. 1 is a schematic structural view of a detection mechanism in the present invention;
FIG. 2 is a schematic structural view of a cleaning mechanism of the present invention;
fig. 3 is a schematic perspective view of the housing of the present invention;
FIG. 4 is a schematic cross-sectional view of the housing of the present invention;
fig. 5 is a control diagram of the electronic component according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a shield; 2. an optical filter; 3. inserting plates; 4. a radiation chamber; 5. a beam collimator; 6. a lamp shade; 7. an infrared lamp; 8. a lamp socket; 9. a circuit board; 10. a housing; 11. a lithium battery; 12. a controller; 13. a rear cover; 14. a laser sight; 15. a miniature camera; 16. a clamping block; 17. a universal joint; 18. a telescopic rod; 19. a display screen; 20. a cleaning brush; 21. a holder; 22. a moving motor; 23. and a button is switched on and off.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The flame detector is also called a photosensitive fire detector, and can sense the optical characteristics of a fire, and in a specific detection area range, the flame detector can judge the fire condition and send out an alarm according to the illumination intensity and the flickering frequency of the flame during the combustion of the flame.
In order to ensure the normal alarm function of the infrared flame detector, whether the surface of a detector window is clean or not needs to be checked frequently, and the infrared flame detector needs to be wiped regularly. Unclean infrared flame detector window can influence infrared flame detector's sensitivity, can cause infrared flame detector not report to the police when taking place the condition of a fire in the serious occasion.
The inventor deeply inspects and researches the detection process of the current infrared flame detector detection equipment and finds that: the existing detection equipment is inconvenient to clean the window of the infrared flame detector when in use, simultaneously, infrared emission light sources matched with various infrared flame detectors cannot be mutually used due to different wave bands and flicker frequencies, an infrared emission light source lens and the window of the flame detector are difficult to align in angle, the scattering rate of infrared light is high, most of the infrared light cannot directly enter the window of the infrared flame detector, and the detection result is inaccurate.
The above problems have not been reported in the art, and the inventors have found the above problems and devised the present technical solution.
The present invention provides the following preferred embodiments
As shown in fig. 1, 3, 4 and 5, an infrared flame detector includes a fixture block 16, and a detection mechanism is detachably connected to the fixture block 16;
the detection mechanism comprises a shell 10 clamped on a clamping block 16, one end of the shell 10 is provided with a rear cover 13, the other end of the shell 10 is provided with a circuit board 9, the interior of the shell 10 is provided with a plurality of lithium batteries 11 which are connected end to end, the lithium batteries 11 are positioned between the circuit board 9 and the rear cover 13, the circuit board 9 is electrically connected with the lithium batteries 11, the end surface of the circuit board 9 is fixedly connected with a lamp holder 8, the output end of the circuit board 9 is electrically connected with a socket of the lamp holder 8, a lampshade 6 is fixedly connected on the lamp holder 8, an infrared lamp 7 is arranged in the lampshade 6, the infrared lamp 7 penetrates through the center of the lampshade 6 and is inserted into the socket of the lamp holder 8, the socket of the lamp holder 8 is connected with a plug snap spring of the infrared lamp 7, one end of the shell 10 close to the circuit board 9 is fixedly connected with a radiation chamber 4, the radiation chamber 4 is sleeved on the outer side of the lampshade 6, and one end of the radiation chamber 4 far away from the circuit board 9 is provided with a plug 3, the side wall of the plugboard 3 is inserted with the optical filter 2, the end face of the plugboard 3 close to the lampshade 6 is fixedly connected with the beam collimator 5, and the beam collimator 5 is positioned at the central position of the radiation chamber 4 and is arranged concentrically with the infrared lamp 7 and the lampshade 6.
In this embodiment, as shown in fig. 2, can dismantle on the fixture block 16 and be connected with cleaning mechanism, cleaning mechanism includes the mobile motor 22 of joint on fixture block 16, mobile motor 22's output fixedly connected with holder 21, fixedly connected with cleaning brush 20 on the holder 21, the last shift knob 23 that is provided with of mobile motor 22, mobile motor 22 built-in power drives cleaning brush 20 rotatory, cleans the maintenance to the flame detector window, avoids personnel to ascend a height the risk, and it is more convenient clean.
In this embodiment, as shown in fig. 1, 3, 4 and 5, a controller 12 is disposed on a side wall of the housing 10, the controller 12 is electrically connected to the lithium battery 11 and the circuit board 9, the controller 12 is of a model SDVC31-M, and the controller 12 adjusts and displays different frequencies to simulate a flickering state of flame.
In this embodiment, as shown in fig. 4 and 5, the side wall of the fixture block 16 is fixedly connected with the universal joint 17, and the universal joint 17 drives the fixture block 16 to adjust the direction at will, so as to meet the requirement of detecting the angle.
In this embodiment, as shown in fig. 1 and fig. 2, one end of the universal joint 17 far away from the fixture block 16 is fixedly connected with a telescopic rod 18, and the telescopic rod 18 can be adjusted to any height, so as to avoid the danger of ascending a height for the detection personnel.
In this embodiment, as shown in fig. 1 and 2, a display screen 19 is disposed at the handle of the telescopic rod 18, and the display screen 19 is electrically connected to the lithium battery 11, so that the image can be transmitted to the display screen 19 to check the working state of the detector and whether the window is clean.
In this embodiment, as shown in fig. 1, 3 and 4, a protective cover 1 is fixedly connected to an end of the inserting plate 3 away from the lamp shade 6, so as to perform a protective function.
In this embodiment, as shown in fig. 1, 3 and 4, the radiation chamber 4 is fixedly connected to the side wall of the housing 10 by a screw thread, so that the radiation chamber 4 can be easily mounted and dismounted.
In this embodiment, as shown in fig. 1 and 3, a laser sight 14 is embedded in a side wall of the insertion plate 3, so as to facilitate the emission window of the auxiliary detector to aim at the detection window of the flame detector.
In this embodiment, as shown in fig. 3, a micro camera 15 is embedded in the side wall of the insertion plate 3, and the micro camera 15 is wirelessly connected with the display screen 19, so that the emission window of the detector can be assisted to aim at the detection window of the flame detector, and an image is transmitted to the display screen 19.
The utility model discloses a concrete working process as follows:
firstly, a moving motor 22 of a cleaning mechanism is clamped and fixed on a clamping block 16, a telescopic rod 18 is adjusted to a proper height, a switch button 23 is pressed down, the moving motor 22 is started to drive a clamp 21 and a cleaning brush 20 to rotate, so that a flame detector window is cleaned, and the cleaning angle can be adjusted by adjusting a rotating universal joint 17;
after cleaning is finished, the movable motor 22 is detached, the shell 10 of the detection mechanism is clamped and fixed on the clamping block 16, an appropriate optical filter 2 is selected according to the infrared wave band monitored by the flame detector and plugged into the plugboard 3, the keys of the controller 12 are pressed according to the flame identification frequency, the screen is observed, and the flicker frequency of the infrared lamp 7 is set;
the controller 12 sectionally inputs the current of the lithium battery 11 to the circuit board 9 according to the set frequency, and transmits the current to the lamp holder 8 through the circuit board 9, and the lamp holder 8 supplies power to the infrared lamp 7;
a part of infrared light emitted by the infrared lamp 7 directly enters the beam collimator 5, a part of infrared light is reflected and gathered by the gold-plated coating of the lampshade 6 and then enters the beam collimator 5, a plurality of lenses inside the beam collimator 5 change scattered infrared light into straight light, the straight light is filtered by the optical filter 2, the infrared light which accords with the alarm wave band of the flame detector vertically enters an infrared sensor of the flame detector, the flame detector outputs an alarm signal after sensing a simulated flame signal, the operation indicator lamp changes from green to red, and the fire alarm controller receives the signal and sends out an alarm;
the miniature camera 15 transmits the field image to the display screen 19, and is matched with the laser sighting device 14 to ensure that infrared light accurately irradiates the infrared sensor.
To sum up: the utility model has the advantages that the infrared flame detector with the wave band range of 2.5-6.0 μm can be detected, the infrared lamp 7 emits infrared light of the whole wave band, and the controller 12 adjusts and displays different frequencies to simulate the flickering state of flame; the gold-plated coating of the lampshade 6 can reflect and gather light rays to reduce absorption, irregularly scattered light rays are converted into straight infrared light beams after passing through the light beam collimator, the replaceable optical filters 2 with various specifications in the plugboard 3 filter redundant infrared light, the residual light rays directly enter the infrared sensor of the flame detector, and the infrared flame detector is triggered to alarm accurately by matching with specific flicker frequency, so that whether a fire controller and a circuit alarm normally is detected; the laser sighting device 14 and the miniature camera 15 which are arranged at the front end can assist the emission window of the detector to aim at the detection window of the flame detector and transmit images to the display screen 19 to check the working state of the detector and whether the window is clean; after the detector is arranged in the fixture block 16, the universal joint 17 drives the fixture block 16 to adjust the direction at will, so that the requirement of detecting the angle is met; the telescopic rod 18 can be adjusted to any height, so that the danger of ascending of detection personnel is avoided; the built-in power supply of the mobile motor 22 drives the cleaning brush 20 to rotate, and the cleaning brush is supported by the telescopic rod 18 and the universal joint 17, so that the windows of the high-altitude flame detectors are cleaned and maintained, the ascending risk of personnel is avoided, the cleaning is more convenient, the detection is more convenient, and the result is more accurate.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The infrared flame detector comprises a clamping block (16), and is characterized in that a detection mechanism is detachably connected to the clamping block (16);
the detection mechanism comprises a shell (10) clamped on a clamping block (16), a rear cover (13) is arranged at one end of the shell (10), a circuit board (9) is arranged at the other end of the shell (10), a plurality of lithium batteries (11) connected end to end are arranged inside the shell (10), the lithium batteries (11) are located between the circuit board (9) and the rear cover (13), the circuit board (9) is electrically connected with the lithium batteries (11), a lamp holder (8) is fixedly connected to the end face of the circuit board (9), the output end of the circuit board (9) is electrically connected with a socket of the lamp holder (8), a lamp shade (6) is fixedly connected to the lamp holder (8), an infrared lamp (7) is arranged in the lamp shade (6), the infrared lamp (7) penetrates through the center of the lamp shade (6) and is inserted into the socket of the lamp holder (8), a radiation chamber (4) is fixedly connected to one end, close to the circuit board (9), of the shell (10), and radiation room (4) cover is established in the outside of lamp shade (6), the one end of keeping away from circuit board (9) in radiation room (4) is provided with picture peg (3), the lateral wall of picture peg (3) is inserted and is equipped with light filter (2), terminal surface fixed connection that picture peg (3) are close to lamp shade (6) has beam collimator (5), and beam collimator (5) are located the central point of radiation room (4) and set up with heart with infrared lamp (7) and lamp shade (6).
2. The infrared flame detector as claimed in claim 1, wherein a cleaning mechanism is detachably connected to the fixture block (16), the cleaning mechanism includes a moving motor (22) clamped to the fixture block (16), a holder (21) is fixedly connected to an output end of the moving motor (22), a cleaning brush (20) is fixedly connected to the holder (21), and a switch button (23) is arranged on the moving motor (22).
3. The infrared flame detector as claimed in claim 1, wherein a controller (12) is disposed on a side wall of the housing (10), and the controller (12) is electrically connected to the lithium battery (11) and the circuit board (9).
4. The infrared flame detector as claimed in claim 1, wherein a universal joint (17) is fixedly connected to a side wall of the fixture block (16).
5. The infrared flame detector as claimed in claim 4, wherein an end of the universal joint (17) far away from the fixture block (16) is fixedly connected with a telescopic rod (18).
6. The infrared flame detector as claimed in claim 5, wherein a display screen (19) is arranged at the handle position of the telescopic rod (18), and the display screen (19) is electrically connected with the lithium battery (11).
7. The infrared flame detector as claimed in claim 1, wherein a shield (1) is fixedly connected to an end of the plug board (3) remote from the lamp housing (6).
8. An infrared flame detector as claimed in claim 1, characterised in that the radiation chamber (4) is fixedly connected to the side wall of the housing (10) by means of a screw thread.
9. The infrared flame detector as claimed in claim 1, characterized in that the side wall of the insert plate (3) is embedded with a laser sight (14).
10. The infrared flame detector as claimed in claim 1, wherein a micro camera (15) is embedded in the side wall of the plug board (3), and the micro camera (15) is wirelessly connected with the display screen (19).
CN202121115675.2U 2021-05-24 2021-05-24 Infrared flame detector Active CN215003946U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121115675.2U CN215003946U (en) 2021-05-24 2021-05-24 Infrared flame detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121115675.2U CN215003946U (en) 2021-05-24 2021-05-24 Infrared flame detector

Publications (1)

Publication Number Publication Date
CN215003946U true CN215003946U (en) 2021-12-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121115675.2U Active CN215003946U (en) 2021-05-24 2021-05-24 Infrared flame detector

Country Status (1)

Country Link
CN (1) CN215003946U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117589292A (en) * 2024-01-18 2024-02-23 太原晋贵信息技术服务中心 Two-in-one flame detector for double-red-one-purple fire explosion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117589292A (en) * 2024-01-18 2024-02-23 太原晋贵信息技术服务中心 Two-in-one flame detector for double-red-one-purple fire explosion
CN117589292B (en) * 2024-01-18 2024-04-26 太原晋贵信息技术服务中心 Two-in-one flame detector for double-red-one-purple fire explosion

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