CN115019491B - Automatic test board for fire-fighting fire sensor - Google Patents
Automatic test board for fire-fighting fire sensor Download PDFInfo
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- CN115019491B CN115019491B CN202210943643.4A CN202210943643A CN115019491B CN 115019491 B CN115019491 B CN 115019491B CN 202210943643 A CN202210943643 A CN 202210943643A CN 115019491 B CN115019491 B CN 115019491B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
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- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
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- Computer Security & Cryptography (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses an automatic test table of a fire-fighting fire sensor, which comprises a base, wherein a sliding track is arranged on the base, an instrument buckle fixing device is fixed on the end surface on the left side of the base, and a through hole is formed in the middle of the device and used for buckling an instrument to be tested; an instrument fixing platform is arranged above the right end of the sliding track and can move left and right along with the sliding track; the panel is vertically fixed on one side, close to the instrument buckle fixing device, of the instrument fixing platform and is used for matching and realizing the distance detection check of the instrument to be detected fixed on the instrument buckle fixing device; the right side of the instrument fixing platform is fixed with an annular lamp, the center of the instrument fixing platform is a rotatable disc for placing the instrument to be tested, and the response performance of the instrument to be tested is detected when the included angle between the axis of the instrument to be tested and the optical axis of the annular lamp is different. The invention can be used for testing fire alarms, ultrasonic range finders and the like, and the testing functions comprise distance detection, direction detection, threshold detection and the like.
Description
Technical Field
The invention relates to a sensor testing technology, in particular to an automatic test bench for a fire fighting fire sensor.
Background
The general industry and civilian use involve many applications of sensor detection, such as fire alarms, ultrasonic rangefinders, and the like. The measuring instruments are used with relevant technical standard specifications for detection. Before the special performance testing device is put on the market, the special performance is required to be tested to check whether the special performance meets the standard requirement.
In order to check whether the special performance of the instrument meets the standard requirements, research and development test systems are developed in various ways and are used for various performance requirements of various instruments. In order to complete related test contents and meet technical specifications, different test components need to be designed, a test device needs to be manually replaced, tests with different performances are carried out, the test time is slow, the test cost is high, and the test efficiency is reduced.
Therefore, the automatic test bench for the fire fighting fire sensor can be used for automatic tests of fire fighting fire sensors such as a fire alarm, an ultrasonic distance meter and the like, and the test functions comprise distance detection, direction detection, threshold value detection and the like.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the automatic test board for the fire fighting fire sensor, which can be used for testing a fire alarm, an ultrasonic range finder and the like, and has the testing functions of distance detection, direction detection, threshold value detection and the like.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
an automatic test table of a fire-fighting fire sensor comprises a base, an instrument buckle fixing device, a sliding track, an instrument fixing platform, a motor and a power supply;
a sliding track is arranged on the base and is driven by a motor;
the instrument buckle fixing device is fixed on the end face of the left side of the base through the vertical support, and a through hole is formed in the middle of the instrument buckle fixing device and used for fixing an instrument to be tested in a buckling mode;
an instrument fixing platform is arranged above the right end of the sliding rail and can move left and right along with the sliding rail;
the panel is vertically fixed on one side, close to the instrument buckle fixing device, of the instrument fixing platform and is used for matching and realizing the distance detection check of the instrument to be detected fixed on the instrument buckle fixing device;
the right side of the instrument fixing platform is fixed with an annular lamp through a horizontal support, the center of the instrument fixing platform is a rotatable disc for placing an instrument to be detected, and the response performance of the instrument to be detected is detected when the included angle between the axis of the instrument to be detected and the optical axis of the annular lamp is different;
the power supply provides power for the instrument to be tested and the motor.
Furthermore, the right side of the test board is provided with an analog signal, and the motor controls the sliding track to move leftwards so as to drive the instrument fixing platform and the instrument to be tested to move leftwards until the signal cannot be detected, so that the analog signal is used for verifying induction distance threshold detection.
Further, instrument buckle fixing device opens closed operation through the bellied spanner in device upper portion, and the through-hole is open mode when the spanner is located upper portion, puts into instrument to be measured to the through-hole this moment, and then the through-hole is closed state when rotatory 90 degrees to device right side, can fix the instrument to be measured this moment.
Furthermore, the internal structure of the instrument buckle fixing device comprises a through hole, an inner ring and a circular ring which are sequentially designed, wherein 3 movable bolts are equidistantly designed on the inner ring and are used for connecting the triangular buckle plate; in an initial state, the other end of the triangular buckle plate is abutted against the edge of the circular ring;
spanner and the integrative design of ring drive the ring through the spanner and rotate to drive the triangle buckle and inwards draw in for the centre gripping instrument that awaits measuring, expand in the spliced pole that the triangle buckle other end is connected simultaneously, when the through-hole closure state, the other end butt of spliced pole is at the ring edge.
Furthermore, when the wrench is rotated to the upper position of the device, the circular ring rotates reversely to drive the connecting column to fold inwards, so that the triangular buckle plate is driven to unfold, and the instrument to be tested can be taken out when the through hole is opened.
Furthermore, the annular lamp is vertically fixed, and the horizontal midpoint of the annular lamp and the horizontal midpoint of the instrument fixing platform are on the same line; the instrument fixing platform is provided with a lifting platform, and then the instrument to be tested is fixed on the lifting platform, so that the instrument to be tested is located at the midpoint of the annular lamp in the vertical direction.
Furthermore, the rotatable disc is connected with the gear turntable below the rotatable disc through the central shaft, so that the rotatable disc and the gear turntable can integrally rotate by the same angle; the gear turntable is provided with a tooth every 15 degrees, and the angle switching of every 15 degrees is realized by the ball adjacent to one side.
Furthermore, the sliding rail is placed in the middle position above the base and is realized by adopting a screw rod sliding rail.
Furthermore, a power supply bracket is also arranged on the base and used for placing a power supply.
The automatic test table for the fire fighting fire sensor has the advantages that compared with the prior art, the automatic test table for the fire fighting fire sensor comprises a base, a sliding rail is arranged on the base, an instrument buckle fixing device is fixed on the end surface on the left side of the base, and a through hole is formed in the middle of the device and used for buckling an instrument to be tested; an instrument fixing platform is arranged above the right end of the sliding track and can move left and right along with the sliding track; the panel is vertically fixed on one side, close to the instrument buckle fixing device, of the instrument fixing platform and is used for matching and realizing the distance detection check of the instrument to be detected fixed on the instrument buckle fixing device; the right side of the instrument fixing platform is fixed with an annular lamp, the center of the instrument fixing platform is a rotatable disc for placing the instrument to be tested, and the response performance of the instrument to be tested is detected when the included angle between the axis of the instrument to be tested and the optical axis of the annular lamp is different. The invention can be used for testing fire alarms, ultrasonic range finders and the like, and the testing functions comprise distance detection, direction detection, threshold value detection and the like.
Drawings
FIG. 1 is a perspective view of an automatic test bed for a fire sensor according to the present invention;
FIG. 2 is a schematic view of an instrument snap fixture;
FIG. 3 is an internal schematic view of an instrument clasp attachment in an open state;
FIG. 4 is an internal schematic view of the instrument clasp securement device in a closed state;
FIG. 5 is a schematic view of an instrument holding platform;
FIG. 6 is a schematic view of the interior of the instrument holding platform;
FIG. 7 is a front view of an automatic test stand for fire sensors;
FIG. 8 is a top view of the fire sensor automatic test stand;
the device comprises a base 1, an instrument buckle fixing device 2, a sliding rail 3, an instrument fixing platform 4 and a motor 5;
a power supply bracket 1-1;
the locking device comprises a through hole 2-1, a wrench 2-2, a locking switch 2-3, a locking block 2-4, a circular ring 2-5, an inner ring 2-6, a triangular buckle plate 2-7 and a connecting column 2-8;
the LED lamp comprises a panel 4-1, an annular lamp 4-2, a rotatable disc 4-3, a gear turntable 4-4 and balls 4-5.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in FIG. 1, the automatic test bed of the fire sensor of the invention comprises a base 1, the base has a certain length, therefore, a sliding track 3 with a certain length can be arranged on the base 1; the left side one end of base 1 sets up instrument buckle fixing device 2, and right side one end sets up instrument fixed platform 4. The invention can be used for testing fire alarms, ultrasonic range finders and the like, and the testing functions comprise distance detection, direction detection, threshold value detection and the like.
As shown in fig. 2, the instrument fastener fixing device 2 is fixed on the end surface of one side of the base 1 through a vertical bracket, and the instrument fastener fixing device 2 is vertically fixed and can keep a certain distance from the base 1. The instrument buckle fixing device 2 can be used for fixing the ultrasonic distance measuring instrument so as to complete the calibration of the ultrasonic distance measuring instrument and can also be used for fixing and calibrating other related instruments.
The instrument buckle fixing device 2 is a square plate, a through hole 2-1 is formed in the middle of the instrument buckle fixing device and used for buckling and fixing an instrument, opening and closing operations are carried out through a wrench 2-2 protruding from the upper portion of the device, the wrench 2-2 is in an opening state when located on the upper portion, an instrument to be measured can be placed into the through hole, then the instrument to be measured is in a closing state when rotated by 90 degrees to the right side of the device, and the instrument to be measured can be fixed at the moment.
A locking switch 2-3 is further arranged at the lower right corner of the outer portion of the square plate of the instrument buckle fixing device 2, when the wrench 2-2 is located at the upper portion, the wrench is in an open state, meanwhile, the locking switch 2-3 is located at an upward locking state, a locking block 2-4 in the wrench is located at a vertical state and is matched with a gear on the outer side of the circular ring, rotation of the circular ring is prevented, and therefore the device is located at a locking state. Before the test is started, the external locking switch 2-3 needs to be rotated downwards, the internal locking block 2-4 rotates leftwards, the state of fit with the gear is opened, the circular ring can rotate freely, the instrument to be tested is placed into the through hole again at the moment, then the instrument to be tested is fixed in a closed state when the circular ring rotates 90 degrees to the right side of the device, then the locking switch 2-3 rotates upwards again, the locking block 2-4 rotates rightwards to return to a vertical state and fits with the gear on the circular ring again, the rotation of the circular ring is prevented, and therefore the device is in a locking state and the instrument to be tested is prevented from loosening.
As shown in fig. 3, in the open state of the device, the diameter of the through hole is completely opened, and the instrument to be measured can be placed into the through hole, for example, an ultrasonic distance measuring instrument, with the transmitting and receiving end of the ultrasonic distance measuring instrument facing inwards. The wrench 2-2 and the ring 2-5 are designed into a whole, and the wrench 2-2 can drive the ring 2-5 to rotate. The internal structure of the device comprises a through hole 2-1, an inner ring 2-6 and a circular ring 2-5 which are designed in sequence, wherein 3 movable bolts are designed on the inner ring 2-6 at equal distances and are used for connecting a triangular buckle plate 2-7. One end of the triangular buckle plate 2-7 is connected to the bolt of the inner ring 2-6 and can rotate freely, and the other end of the triangular buckle plate 2-7 is abutted against the edge of the circular ring 2-5 in an initial state.
As shown in figure 4, the triangular buckle plate 2-7 is driven to fold inwards along with the rotation of the circular ring 2-5 to clamp an instrument to be tested, meanwhile, the connecting column 2-8 connected to the other end of the triangular buckle plate 2-7 is unfolded until the device is in a closed state, and the other end of the connecting column 2-8 is abutted to the edge of the circular ring 2-5. And then, completing the fastening fixation of the instrument to be tested.
Similarly, the disassembly after the test is to rotate the wrench 2-2 by 90 degrees to return to the upper position of the device, at the moment, the ring 2-5 rotates reversely to drive the connecting column 2-8 to fold inwards, so that the triangular buckle plate 2-7 is driven to unfold, and the instrument to be tested can be taken out freely when the through hole is opened.
In this embodiment, put into the through-hole with ultrasonic distance meter transmission receiving terminal inwards during ultrasonic distance meter's check-up, start the instrument that awaits measuring after fixed, send ultrasonic detection signal and be used for measuring the distance, the transmission signal is received by ultrasonic distance meter again after the panel 4-1 reflection that sets up on the instrument fixed platform 4 in the place ahead, then can calculate this distance to compare with the actual distance that panel and instrument are apart from, accomplish ultrasonic distance meter's check-up.
The instrument fixing platform 4 can freely move back and forth on the sliding rail 3 and is controlled by a motor 5 fixed on the base 1 below the instrument fixing platform, the motor 5 is controlled by an upper computer, and then the upper computer controls the actual distance between a panel and the instrument.
As shown in fig. 5 and 7, a sliding rail 3 with a certain length can be arranged on the base 1, an instrument fixing platform 4 is arranged at one end of the right side of the base 1, specifically, the instrument fixing platform 4 is arranged above the right end of the sliding rail 3, and the instrument fixing platform 4 can move left and right along with the sliding rail 3.
The panel 4-1 is arranged on one side, close to the instrument buckle fixing device 2, of the instrument fixing platform 4 and used for checking distance measurement accuracy. The panel 4-1 is vertically fixed to the instrument holding platform 4.
An annular lamp 4-2 is fixed on the right side of the instrument fixing platform 4 through a horizontal support, a certain distance is kept between the annular lamp 4-2 and the platform, the annular lamp 4-2 is vertically fixed, and the horizontal midpoint of the annular lamp and the horizontal midpoint of the platform are on the same line.
The center of the instrument fixing platform 4 is a rotatable disc 4-3, and an instrument to be tested, such as a fire alarm, is placed on the rotatable disc 4-3, so that the instrument to be tested is positioned at the middle point of the annular lamp 4-2 in the vertical direction and can receive the light source from the center of the annular lamp. If necessary, a lifting platform can be added, and the using method comprises the steps of fixing the lifting platform on the instrument fixing platform 4 and fixing the instrument to be tested on the lifting platform.
As shown in figure 6, the rotatable disc 4-3 is rotated by the gear wheel 4-4 below the rotatable disc, and the center of the gear wheel 4-4 is fixed by a movable bolt and can rotate around a central point. The rotatable disc 4-3 is connected with the gear turntable 4-4 through a central shaft to integrally rotate by the same angle, so that the angle of the instrument to be measured is changed.
In the embodiment, the position detection of the fire alarm is verified, and the response performance of the instrument to be detected at different angles in the view cone angle is detected. The included angle between the axis of the instrument to be tested and the optical axis of the annular lamp 4-2 is made to be 0 degrees, then the rotatable disc 4-3 is manually pushed and rotated, the included angle between the axis of the instrument to be tested and the optical axis of the annular lamp 4-2 is made to be 15 degrees, 30 degrees, 45 degrees and 60 degrees in sequence, and the response performance of the instrument to be tested in different angles in the view cone angle is detected. Each rotation of 15 deg. is effected by means of a gear wheel 4-4 below the rotatable disc 4-3.
Specifically, the gear turntable 4-4 is provided with one tooth every 15 degrees, and the angle switching of every 15 degrees is realized with the ball 4-5 next to one side.
As shown in fig. 8, the sliding track 3 of the present invention is implemented by a screw slide rail, so as to realize the left and right movement of the instrument fixing platform 4 disposed thereon. The sliding rail 3 is placed in the middle position above the base 1.
The invention can also be used for realizing the check of threshold detection, for example, the fire alarm is arranged on the instrument fixing platform 4, a simulated fire light source signal is arranged at a certain distance on the right side of the test board, the upper computer controls the sliding track 3 to move leftwards so as to drive the instrument fixing platform arranged on the upper computer and the instrument to be detected to move leftwards until the fire alarm cannot detect the signal, the sensing distance threshold of the fire alarm can be detected, and the check of the sensing distance threshold detection is completed.
As shown in fig. 7, the base 1 is further provided with a power bracket 1-1 for accommodating a power supply, and the power supply provides power for the instrument to be tested and the motor 5. The four corners below the base 1 are also provided with wheels, which facilitates the movement of the device. Because the base has a certain length, 6 or 8 wheels are arranged below the base 1.
The automatic test table for the fire fighting fire sensor has the advantages that compared with the prior art, the automatic test table for the fire fighting fire sensor comprises a base, a sliding rail is arranged on the base, an instrument buckle fixing device is fixed on the end surface on the left side of the base, and a through hole is formed in the middle of the device and used for buckling an instrument to be tested; an instrument fixing platform is arranged above the right end of the sliding track and can move left and right along with the sliding track; the panel is vertically fixed on one side, close to the instrument buckle fixing device, of the instrument fixing platform and is used for matching and realizing the distance detection check of the instrument to be detected fixed on the instrument buckle fixing device; the instrument fixing platform is used for placing an instrument to be tested, and the response performance of the instrument to be tested is detected when the included angle between the axis of the instrument to be tested and the optical axis of the annular lamp is different in angle. The invention can be used for testing fire alarms, ultrasonic range finders and the like, and the checking function comprises distance detection, direction detection, threshold detection and the like.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for the purpose of limiting the scope of the present invention, and on the contrary, any modifications or modifications based on the spirit of the present invention should fall within the scope of the present invention.
Claims (9)
1. An automatic test board for a fire fighting fire sensor is characterized by comprising a base (1), an instrument buckle fixing device (2), a sliding track (3), an instrument fixing platform (4), a motor (5) and a power supply;
a sliding track (3) is arranged on the base (1) and is driven by a motor (5);
the instrument buckle fixing device (2) is fixed on the end face of the left side of the base (1) through a vertical support, and a through hole (2-1) is formed in the middle of the instrument buckle fixing device (2) and used for fixing an instrument to be tested in a buckling mode;
an instrument fixing platform (4) is arranged above the right end of the sliding track (3), and the instrument fixing platform (4) can move left and right along with the sliding track (3);
the panel (4-1) is vertically fixed on one side, close to the instrument buckle fixing device (2), of the instrument fixing platform (4) and is used for matching and realizing the distance detection check of the instrument to be detected fixed on the instrument buckle fixing device (2);
an annular lamp (4-2) is fixed on the right side of the instrument fixing platform (4) through a horizontal support, a rotatable disc (4-3) is arranged at the center of the instrument fixing platform (4) and used for placing an instrument to be tested, and the response performance of the instrument to be tested is detected when the included angle between the axis of the instrument to be tested and the optical axis of the annular lamp (4-2) is different;
the power supply provides power for the instrument to be tested and the motor (5).
2. The automatic test bench of fire-fighting fire sensor according to claim 1,
the right side of the test board is provided with an analog signal, and the motor controls the sliding rail (3) to move leftwards so as to drive the instrument fixing platform (4) and the instrument to be tested to move leftwards until the signal cannot be detected, so that the test board is used for verifying the detection of the induction distance threshold.
3. The automatic test bench of fire-fighting fire sensor according to claim 1,
instrument buckle fixing device (2) open closed operation through device bellied spanner in upper portion (2-2), and the through-hole is open state when spanner (2-2) are located upper portion, puts into the instrument to be measured to the through-hole this moment, and then the through-hole is closed state when rotatory 90 degrees to the device right side, can fix the instrument to be measured this moment.
4. The automatic test bench of fire fighting fire sensor according to claim 3,
the internal structure of the instrument buckle fixing device (2) comprises a through hole (2-1), an inner ring (2-6) and a circular ring (2-5) which are sequentially designed, wherein 3 movable bolts are equidistantly designed on the inner ring (2-6) and are used for connecting a triangular buckle plate (2-7); in an initial state, the other end of the triangular buckle plate (2-7) is abutted against the edge of the circular ring (2-5);
the wrench (2-2) and the circular ring (2-5) are integrally designed, the circular ring (2-5) is driven to rotate through the wrench (2-2), so that the triangular buckle plate (2-7) is driven to fold inwards to clamp an instrument to be tested, meanwhile, the connecting column (2-8) connected with the other end of the triangular buckle plate (2-7) is unfolded until the through hole is closed, and the other end of the connecting column (2-8) abuts against the edge of the circular ring (2-5).
5. The automatic test bench of fire fighting fire sensor according to claim 4,
when the wrench (2-2) is rotated to the upper position of the device, the circular ring (2-5) rotates reversely to drive the connecting column (2-8) to fold inwards, so that the triangular buckle plate (2-7) is driven to unfold, and the instrument to be tested can be taken out when the through hole is opened.
6. The automatic test bench of fire-fighting fire sensor according to claim 1,
the annular lamp (4-2) is vertically fixed, and the horizontal midpoint of the annular lamp is in the same line with the horizontal midpoint of the instrument fixing platform; the instrument fixing platform (4) is provided with a lifting platform, and then the instrument to be tested is fixed on the lifting platform, so that the instrument to be tested is positioned at the midpoint of the annular lamp (4-2) in the vertical direction.
7. The automatic test bench of fire-fighting fire sensor according to claim 1,
the rotatable disc (4-3) is connected with the gear turntable (4-4) below the rotatable disc through a central shaft to realize the same integral rotation angle; the gear turntable (4-4) is provided with a tooth every 15 degrees, and the angle switching of every 15 degrees is realized with the ball (4-5) close to one side.
8. The automatic test bench of fire-fighting fire sensor according to claim 1,
the sliding rail (3) is placed in the middle position above the base (1) and is realized by a screw rod sliding rail.
9. The automatic test bench of fire-fighting fire sensor according to claim 1,
the base (1) is also provided with a power supply bracket (1-1) for placing a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210943643.4A CN115019491B (en) | 2022-08-08 | 2022-08-08 | Automatic test board for fire-fighting fire sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210943643.4A CN115019491B (en) | 2022-08-08 | 2022-08-08 | Automatic test board for fire-fighting fire sensor |
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| Publication Number | Publication Date |
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| CN115019491A CN115019491A (en) | 2022-09-06 |
| CN115019491B true CN115019491B (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210943643.4A Active CN115019491B (en) | 2022-08-08 | 2022-08-08 | Automatic test board for fire-fighting fire sensor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900774A (en) * | 2009-05-27 | 2010-12-01 | 北京中石伟业技术有限公司 | Product continuous and automatic testing equipment |
| CN207867686U (en) * | 2018-01-29 | 2018-09-14 | 广东利元亨智能装备股份有限公司 | A kind of smoke alarm detection device |
| JP2019168917A (en) * | 2018-03-23 | 2019-10-03 | ホーチキ株式会社 | Smoke detector test device |
| CN212966505U (en) * | 2020-10-12 | 2021-04-13 | 河北三鑫华瑞消防检测有限公司 | Function tester for photosensitive flame detector |
| CN216697510U (en) * | 2021-12-07 | 2022-06-07 | 立鑫消防检测(沈阳)有限公司 | Performance testing device for photosensitive flame detector |
-
2022
- 2022-08-08 CN CN202210943643.4A patent/CN115019491B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900774A (en) * | 2009-05-27 | 2010-12-01 | 北京中石伟业技术有限公司 | Product continuous and automatic testing equipment |
| CN207867686U (en) * | 2018-01-29 | 2018-09-14 | 广东利元亨智能装备股份有限公司 | A kind of smoke alarm detection device |
| JP2019168917A (en) * | 2018-03-23 | 2019-10-03 | ホーチキ株式会社 | Smoke detector test device |
| CN212966505U (en) * | 2020-10-12 | 2021-04-13 | 河北三鑫华瑞消防检测有限公司 | Function tester for photosensitive flame detector |
| CN216697510U (en) * | 2021-12-07 | 2022-06-07 | 立鑫消防检测(沈阳)有限公司 | Performance testing device for photosensitive flame detector |
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| Publication number | Publication date |
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| CN115019491A (en) | 2022-09-06 |
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