CN114495442A - Alarm system for preventing lamp from falling - Google Patents

Alarm system for preventing lamp from falling Download PDF

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Publication number
CN114495442A
CN114495442A CN202011158945.8A CN202011158945A CN114495442A CN 114495442 A CN114495442 A CN 114495442A CN 202011158945 A CN202011158945 A CN 202011158945A CN 114495442 A CN114495442 A CN 114495442A
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China
Prior art keywords
lamp
signal
detection
analysis processing
fault
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CN202011158945.8A
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Chinese (zh)
Inventor
王永东
聂宗福
苑文波
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Guangdong Unilumin Energy Savings Technology Co ltd
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Guangdong Unilumin Energy Savings Technology Co ltd
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Priority to CN202011158945.8A priority Critical patent/CN114495442A/en
Publication of CN114495442A publication Critical patent/CN114495442A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses a lamp falling prevention alarm system, which comprises: the device comprises a lamp installation looseness detection device and a signal analysis processing device; wherein: the lamp is connected with the lamp post through a bolt; the lamp installation looseness detection device is arranged between the lamp and the lamp post; the lamp installation looseness detection device is used for detecting whether the lamp looses relative to the lamp post or not and transmitting the detection signal to the signal analysis processing device; and the signal analysis processing device is used for receiving the detection signal and judging whether the lamp has a loosening fault. By the embodiment of the invention, the problem of looseness and falling of the installation and fixation of the lamp can be effectively solved, and the overall safety use performance of the lamp is improved.

Description

Alarm system for preventing lamp from falling
Technical Field
The invention relates to the field of LED display, in particular to a lamp falling prevention alarm system.
Background
Among the prior art, LED (Light Emitting Diode) lamps and lanterns can appear fixing bolt not hard up problem along with live time's lapse after the installation, and lamps and lanterns will rock on the Light pole, and serious even drop, this brings very big potential safety hazard for the vehicle that is going past on the road surface. Meanwhile, the lamp body structural strength is weak due to human and external factors in the design, production and manufacturing processes, the lamp body is installed on the lamp post in a loose manner, and the lamp falling prevention alarm system is provided for preventing hidden dangers.
Disclosure of Invention
In view of this, the alarm system for preventing the lamp from falling provided by the embodiment of the invention can effectively solve the problem of loosening and falling of the lamp during installation and fixation, and effectively improve the overall safety use performance of the lamp.
The technical scheme adopted by the invention for solving the technical problems is as follows:
according to an aspect of an embodiment of the present invention, there is provided a lamp fall prevention alarm system, including: the device comprises a lamp installation looseness detection device and a signal analysis processing device; wherein:
the lamp is connected with the lamp post through a bolt; the lamp installation looseness detection device is arranged between the lamp and the lamp post;
the lamp installation looseness detection device is used for detecting whether the lamp looses relative to the lamp post or not and transmitting the detection signal to the signal analysis processing device;
and the signal analysis processing device is used for receiving the detection signal and judging whether the lamp has a loosening fault.
In one possible design, a connecting portion of the lamp and the lamp post is provided with a plurality of bolt fixing holes, the lamp is fixed to the lamp post through the bolt fixing holes by screws, and threaded holes for mounting the lamp mounting looseness detection device are formed between the bolt fixing holes.
In one possible design, the lamp installation looseness detection device detects an action pressure value of the lamp relative to the lamp post.
In one possible design, the lamp installation looseness detection device includes: the device comprises a shell, a detection probe, an elastic spring, a pressure detection sheet and a wiring terminal;
the housing has a hollow interior cavity;
the detection probe comprises a probe and a sliding block connected with the probe, and the sliding block can move along the inner part of the hollow inner cavity of the shell; the probe penetrates through one end of the shell and extends outwards;
the elastic spring is arranged in the hollow inner cavity of the shell, and two ends of the elastic spring are respectively fixedly connected with the sliding block and the pressure detection sheet;
the pressure detection sheet is arranged in the hollow inner cavity of the shell and used for detecting the pressure borne by the elastic spring and sending a detection signal of lamp installation looseness to the signal analysis processing device when detecting that the elastic spring bears the pressure;
the wiring terminal is installed outside the shell, one end of the wiring terminal is connected with the pressure detection sheet, and the other end of the wiring terminal is connected to a signal detection port of the signal analysis processing device.
In one possible design, the lamp installation looseness detecting device further includes: and the water retaining cap is arranged on one side of the wiring terminal and is used for preventing water from entering the hollow inner cavity of the shell.
In one possible design, the lamp installation looseness detecting device further includes: a threaded hole mounted on an outer surface of the housing for preventing water from entering the hollow interior of the housing.
In one possible design, the lamp installation looseness detecting device further includes: and the fixed block is fixedly arranged in the hollow inner cavity of the shell and is respectively in contact connection with the elastic spring and the pressure detection sheet.
In a possible design, the signal analyzing and processing device analyzes the received detection signal, determines that the detection signal is a loose fault if the detection signal value reaches a threshold value, and superimposes the detection signal and a control address code to form a fault signal.
In one possible design, the signal analyzing and processing device includes: the device comprises a first AC output port, a second AC output port, an AC input port, a signal detection port, a signal processing and analyzing unit and a communication module; wherein:
the first AC output port and the second AC output port are respectively connected with the first LED driver and the second LED driver;
the signal detection port is connected to a wiring terminal of the lamp installation looseness detection device;
the AC input port is connected with a power supply input bus of the whole lamp;
and the signal processing and analyzing unit is used for receiving the detection signal, forming a fault signal after the detection signal is superposed with the control address code, and controlling the second LED driver to work so that the second LED driver drives the second LED light source to light a red fault lamp.
In one possible design, the signal analyzing and processing device includes: and the communication module is used for sending the fault signal to a control master station.
Compared with the prior art, the lamp falling prevention alarm system provided by the embodiment of the invention comprises: the device comprises a lamp installation looseness detection device and a signal analysis processing device; wherein: the lamp is connected with the lamp post through a bolt; the lamp installation looseness detection device is arranged between the lamp and the lamp post; the lamp installation looseness detection device is used for detecting whether the lamp looses relative to the lamp post or not and transmitting the detection signal to the signal analysis processing device; and the signal analysis processing device is used for receiving the detection signal and judging whether the lamp has a loosening fault. According to the embodiment of the invention, the lamp installation looseness detection device is arranged between the lamp and the lamp post to detect whether the lamp looses relative to the lamp post, and the detection signal is transmitted to the signal analysis processing device, so that the signal analysis processing device receives the detection signal and judges whether the lamp has a looseness fault, and therefore, the lamp falling prevention alarm system has an intelligent monitoring function, the problem of looseness and falling of the installation and fixation of the lamp can be effectively solved, the overall safety use performance of the lamp can be effectively improved, and the secondary damage caused by the installation looseness is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a lamp falling prevention alarm system provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a lamp fall prevention alarm system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a lamp according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a lamp according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In one embodiment, as shown in fig. 1, the present invention provides a light fixture fall prevention warning system, the system comprising: a lamp installation looseness detection device 30 and a signal analysis processing device 50; wherein:
the lamp 60 is connected with the lamp post 80 through a bolt; the lamp installation looseness detection device 30 is arranged between the lamp 60 and the lamp post 80;
the lamp installation looseness detecting device 30 is configured to detect whether the lamp 60 looses relative to the lamp post 80, and transmit the detection signal to the signal analysis processing device 50;
the signal analyzing and processing device 50 is configured to receive the detection signal and determine whether the lamp 60 has a loosening fault.
In this embodiment, a lamp installation looseness detection device is arranged between a lamp and a lamp post to detect whether the lamp looses relative to the lamp post, and the detection signal is transmitted to the signal analysis processing device, so that the signal analysis processing device receives the detection signal and judges whether the lamp has a looseness fault, and therefore the lamp falling prevention alarm system has an intelligent monitoring function, can effectively solve the problem of looseness and falling of installation fixation of the lamp, can effectively improve the overall safety use performance of the lamp, and reduces secondary damage caused by installation looseness.
In one embodiment, the light fixture installation looseness detection device 30 detects an applied pressure value of the light fixture 60 relative to the light pole 80.
In one embodiment, as shown in fig. 2 to 4, the system further includes: a first LED light source 11 and a first LED driver 21 for driving the same, a second LED light source 12 and a second light source driver 22 for driving the same. Wherein:
the first LED light source 11, the first LED driver 21, the second LED light source 12, the second LED driver 22 and the signal analyzing and processing device 50 are installed and fixed inside the lamp 60.
In one embodiment, as shown in fig. 3 and 4, the connection portion of the lamp 60 and the lamp post 80 is provided with a plurality of bolt fixing holes 61, the lamp 60 is fixed to the lamp post 80 through the bolt fixing holes 61 using screws, and a screw hole 62 for installing the loose installation detection device 30 of the lamp 60 is provided between the bolt fixing holes 61. The signal analyzing and processing device 50 receives the detection signal sent by the lamp installation looseness detection device 30, analyzes the received detection signal, determines that a looseness fault exists if the detection signal value reaches a threshold value, superimposes the detection signal with a control address code to form a fault signal, controls the second LED driver 22 to work, and enables the second LED driver 22 to drive the second LED light source 12 to light a red fault lamp.
In this embodiment, a lamp installation looseness detection device is arranged to detect whether the screw installation of the lamp in the bolt fixing hole is loosened, and a looseness detection signal of the screw installation is sent to the signal analysis processing device, so that the signal analysis processing device superposes the detection signal and a control address code to form a fault signal, controls the second LED driver to work, and enables the second LED driver to drive the second LED light source to light a red fault lamp, so that the lamp falling prevention alarm system has intelligent monitoring and alarm functions, can effectively solve the problem of loosening and falling of the lamp installation fixation, can effectively improve the overall safety use performance of the lamp, and reduces secondary damage caused by the installation looseness; this system still possesses intelligent trouble and reports for repairment the function simultaneously, when detecting lamps and lanterns not hard up, can show trouble type and fault location on appointed APP to send maintenance information for the maintainer who corresponds, can realize the trouble and report for repairment the zero time difference, the lamps and lanterns after the installation appear the trouble back system that detects in the system and still can give red light early warning, can give the lamp better and pass through the vehicle and do in advance and dodge the early warning, also remind the inspection personnel once more simultaneously, lamps and lanterns need to be overhauld.
Preferably, the first LED light source 11 is an illumination lamp, and the second LED light source 12 is a red fault lamp.
In one embodiment, as shown in fig. 3, the lamp 60 is provided with a threaded hole 62 between the bolt fixing holes 61 for installing the loosening detection device 30, and includes: the threaded holes 62 are T-shaped threaded holes, and the T-shaped threaded holes are formed in the middle of the plurality of bolt fixing holes 61 and used for installing the single lamp looseness detection device 30.
In one embodiment, as shown in fig. 4, the lamp 60 is provided with a threaded hole 62 between the bolt fixing holes 61 for installing the loosening detection device 30, and includes: threaded holes 62 are formed between every two bolt fixing holes 61, the threaded holes 62 are respectively marked as E \ W \ S \ N between every two bolt fixing holes 61, and one lamp installation looseness detection device 30 is installed in each threaded hole 62.
In one embodiment, the light fixture installation looseness detection device 30 is installed in the threaded hole 62 of the light fixture 60, and comprises: the device comprises a shell 31, a detection probe 32, an elastic spring 33, a pressure detection sheet 34 and a wiring terminal 35.
The housing 31 has a hollow interior.
The detection probe 32 is used for detecting whether the screw of the lamp mounted in the bolt fixing hole 61 is loosened, the detection probe 32 comprises a probe 321 and a sliding block 322 connected with the probe 321, and the sliding block 322 is arranged in the hollow inner cavity of the shell 31 and can move along the hollow inner cavity of the shell 31; the probe 321 extends through the housing 31 toward one end of the housing 31.
Preferably, the probe 321 and the slider 322 are combined into a T shape.
The elastic spring 33 is installed inside the hollow inner cavity of the housing 31, and two ends of the elastic spring 33 are respectively fixedly connected with the sliding block 322 and the pressure detection piece 34.
The pressure detecting plate 34 is installed inside the hollow inner cavity of the housing 31, and is configured to detect a pressure applied to the elastic spring 33, and send a detection signal indicating that the lamp is not installed properly to the signal analyzing and processing device 50 when detecting that the elastic spring 33 is under a pressure.
Preferably, the pressure detecting sheet 34 is a DF9-40@10KG flexible film pressure sensor with a measuring range of 0-10 KG.
The connection terminal 35 is mounted outside the other end of the housing 31, one end of the connection terminal is connected to the pressure detection piece 34, and the other end of the connection terminal is connected to the signal detection port 54 of the signal analysis processing device 50.
When the probe 321 of the detection probe 32 detects that the screw installed in the bolt fixing hole 61 is loose, the slider 322 moves inwards in the hollow inner cavity of the housing 21 to generate a pressure, so that the elastic spring 33 is compressed, and the pressure detection sheet detects that the elastic spring 33 is stressed, and sends a detection signal of lamp installation looseness to the signal analysis processing device 50.
Preferably, the light fixture installation looseness detecting device 30 further includes: and the water retaining cap 36 is arranged on one side of the wiring terminal 35 and used for preventing water from entering the hollow inner cavity of the shell 31.
Preferably, the light fixture installation looseness detecting device 30 further includes: a screw hole 37, the screw hole 37 being installed at an outer surface of the housing 31 for preventing water from entering the hollow inner cavity of the housing 31.
Preferably, the light fitting installation looseness detecting device 30 further includes: and the fixed block 38 is fixedly installed in the hollow inner cavity of the shell 31, is positioned between the elastic spring 33 and the pressure detection sheet 34, and is respectively in contact connection with the elastic spring 33 and the pressure detection sheet 34.
In one embodiment, as shown in fig. 1, the signal analysis processing device 50 includes: a first AC output port 51 and a second AC output port 52, an AC input port 53, a signal detection port 54, a signal processing and analyzing unit 55, and a communication module (not shown). Wherein:
the first AC output port 51 and the second AC output port 52 are connected to the first LED driver 21 and the second LED driver 22, respectively.
The signal detection port 54 is connected to the connection terminal 35 of the lamp mounting looseness detection device 30.
The AC input port 53 is connected to the power input bus of the entire light fixture.
The signal processing and analyzing unit 55 is configured to receive the detection signal sent by the lamp installation looseness detecting device 30, superimpose the detection signal with a control address code to form a fault signal, control the second LED driver 22 to operate, and enable the second LED driver 22 to drive the second LED light source 12 to light a red fault lamp; and meanwhile, the fault signal is sent to a control master station through the communication module.
In this embodiment, the system is when detecting the mounting screw of lamps and lanterns not hard up, signal processing analysis unit control second LED driver work, and drive lamps and lanterns change the mode of lighting, send red fault lamp and give the passing vehicle and indicate the early warning, also remind the inspection personnel once more simultaneously, this lamps and lanterns need overhaul.
Further, after the control master station obtains a corresponding fault signal, the control master station transmits the fault signal to the server in a communication mode, and after the server obtains the fault signal, the server displays a fault at a corresponding installation position of the software map, or displays a fault type and a fault position on a specified APP, and transmits fault information to lamp maintenance personnel in a short message mode through a network.
When the lamp falling prevention alarm system is assembled, the first LED light source 11 and the first LED driver 21 thereof, the second LED light source 12 and the second LED driver 22 thereof are fixedly installed, the signal line of the signal detection port 54 on the signal analysis processing device 50 is LED out of the lamp body, after the lamp 60 is fixed to the lamp post through the bolt fixing hole 61 by using a screw, the lamp mounting looseness detection device 30 is installed in the threaded hole 62 of the lamp 60 in the following manner:
the first method is as follows: the lamp fitting looseness detection device 30 is fitted into the T-shaped threaded hole 62 of the lamp 60 with the fitting torque set in (6-12) N × M by a torque wrench, and the connection terminal 31 is connected to the signal lead of the signal detection port 54 of the signal analysis processing device 50. This approach is suitable for installation of a single fixture installation looseness detection device 30. As shown in fig. 2.
The second method comprises the following steps: the plurality of lamp mounting looseness detecting devices 30 are mounted in the E \ W \ S \ N bit threaded holes 62 of the lamps 60 by a torque wrench, the mounting torque thereof is set in (6-12) N × M, and all the connection terminals 31 are connected to the signal leads of the signal detection ports 54 of the signal analysis processing device 50, respectively. This is suitable for installation of a plurality of lamp installation looseness detection devices 30. As shown in fig. 3.
The structure of the lamp installation looseness detection device 30 adopts a variable installation height, the detection force of the probe 32 is adjustable and can be set in a unified mode, and later-stage data collection and correction of a system are facilitated, so that installation requirements of different lamp pole sizes and lamp wall thicknesses can be met, the first AC output port 51 of the signal analysis processing device 50 controls the working states of the first LED driver 21 and the first LED light source 11, and the second AC output port 52 controls the working states of the second LED driver 22 and the second LED light source 12.
After the lamp falling prevention alarm system is assembled, after the system is electrified for the first time:
(1) if the mode I is adopted, a database management and control mode is adopted, and the mode comprises the following steps: when the lamp installation looseness detection device 30 is installed by using the uniform fixed torque value (6-12) N × M, a pressure constant value (9-16) ± 1N force (as shown in table 1 below) is formed. The associated pressure data (shown in table 2) is generated when screws No. 1-4 are loosened, respectively. When the system detects the pressure value change, fault prompt content can be given according to the values in the data table 1 and the data table 2.
TABLE 1
Figure BDA0002743700020000091
TABLE 2
Figure BDA0002743700020000092
The lamp installation looseness detection device 30 can periodically collect fixed pressure state data of the lamp according to a preset collection period (for example, 30 seconds), a pressure reading instruction is sent to the lamp installation looseness detection device 30 through a server end in the preset collection period, after reading is completed, the system can automatically store the data into the signal analysis processing device 50, the data are fed back to the server end through a communication module (for example, a GPRS communication control master station), meanwhile, original installation data are formed at the server end, when new reading data are formed at the later stage, the system can automatically replace the original storage data and form historical data records, and later-stage data query is facilitated.
When the lamp is fixedly loosened during installation, the lamp installation looseness detection device 30 collects a pressure change value in a collection period and transmits the pressure change value to the signal analysis processing device 50, the signal analysis processing device 50 receives the pressure change value and compares the pressure change value with an initial value collected during initial electrification of the system, if the pressure change value is smaller than the initial value, the system can automatically judge the looseness position of a lamp fixing screw according to the contents of a table 1 and a table 2, after the signal analysis processing device 50 analyzes a looseness fault, fault information and an address code of the signal analysis processing device 50 are superposed and transmitted to a GPRS communication control master station, when the GPRS communication control master station receives the fault signal, the fault information is displayed through a server end, maintenance information is transmitted to maintenance personnel through a network, and meanwhile, the signal analysis processing device 50 controls the output of the first LED driver 21 and the output of the second LED driver 22 according to the fault type Voltage frequency to realize the color mixing of the lamp, and only the first LED driver 21 outputs when no fault exists, so as to be used for road illumination.
(2) If the second mode is adopted, the lamp automatically takes the numerical values in the table 3 as the initial values of screw fixation.
TABLE 3
Figure BDA0002743700020000101
After the No. 1 screw is loosened, the N-bit and W-bit monitoring values are smaller than the corresponding numerical values in the table 3, the system can judge that the No. 1 screw is loosened, and the system gives an orange early warning prompt.
After the No. 2 screw is loosened, the monitoring values of the N position and the E position are smaller than the corresponding numerical values in the table 3, the system can judge that the No. 2 screw is loosened, and the system gives an orange early warning prompt and so on.
When the 1/2 screw loosens, the E/N/W bit monitoring value will be less than the corresponding numerical value in table 3, the system will judge that 1/2 screw loosens, and the system gives a yellow early warning prompt.
When the 2/3 screw loosens, the E/N/W bit monitoring value will be less than the corresponding numerical value in table 3, the system will judge that 2/3 screw loosens, the system gives yellow early warning suggestion, and so on.
When the 1/2/3 screw is loosened, the E/N/W/S bit monitoring value is smaller than the corresponding numerical value in the table 3, the system judges that the number of the loosened screws is larger than or equal to 3, the system gives a red early warning prompt, and the like, and only the first light source driver 1 outputs the signals for road lighting when no fault exists.
After the failed lamp is maintained, the lamp installation looseness detection device 30 can automatically detect the lamp state, compare the detection value with the system initial value for judgment, and after the fault is completely eliminated, the server end can automatically return to the normal state, and meanwhile, the fault indicator lamp removes the prompt.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A light fall prevention alarm system, the system comprising: the device comprises a lamp installation looseness detection device and a signal analysis processing device; wherein:
the lamp is connected with the lamp post through a bolt; the lamp installation looseness detection device is arranged between the lamp and the lamp post;
the lamp installation looseness detection device is used for detecting whether the lamp looses relative to the lamp post or not and transmitting the detection signal to the signal analysis processing device;
and the signal analysis processing device is used for receiving the detection signal and judging whether the lamp has a loosening fault.
2. The system of claim 1, wherein the connection portion of the lamp and the lamp post is provided with a plurality of bolt fixing holes, the lamp is fixed to the lamp post through the bolt fixing holes by screws, and a threaded hole for installing the lamp installation looseness detection means is provided between the bolt fixing holes.
3. The system of claim 1, wherein the light fixture installation looseness detection device detects an applied pressure value of the light fixture relative to the light pole.
4. The system of claim 1, wherein the fixture installation looseness detection device comprises: the device comprises a shell, a detection probe, an elastic spring, a pressure detection sheet and a wiring terminal;
the housing has a hollow interior cavity;
the detection probe comprises a probe and a sliding block connected with the probe, and the sliding block can move along the inner part of the hollow inner cavity of the shell; the probe penetrates through one end of the shell and extends outwards;
the elastic spring is arranged in the hollow inner cavity of the shell, and two ends of the elastic spring are respectively fixedly connected with the sliding block and the pressure detection sheet;
the pressure detection sheet is arranged in the hollow inner cavity of the shell and used for detecting the pressure borne by the elastic spring and sending a detection signal of lamp installation looseness to the signal analysis processing device when detecting that the elastic spring bears the pressure;
the wiring terminal is installed outside the shell, one end of the wiring terminal is connected with the pressure detection sheet, and the other end of the wiring terminal is connected to a signal detection port of the signal analysis processing device.
5. The system of claim 4, wherein the fixture installation looseness detection device further comprises: and the water retaining cap is arranged on one side of the wiring terminal and is used for preventing water from entering the hollow inner cavity of the shell.
6. The system of claim 4, wherein the fixture installation looseness detection device further comprises: a threaded hole mounted on an outer surface of the housing for preventing water from entering the hollow interior of the housing.
7. The system of claim 4, wherein the fixture installation looseness detection device further comprises: and the fixed block is fixedly arranged in the hollow inner cavity of the shell and is respectively in contact connection with the elastic spring and the pressure detection sheet.
8. The system of claim 4, wherein the signal analysis processing device analyzes the received detection signal, determines a loosening fault if the detection signal value reaches a threshold value, and superimposes the detection signal with a control address code to form a fault signal.
9. The system of claim 4, wherein the signal analysis processing means comprises: the device comprises a first AC output port, a second AC output port, an AC input port, a signal detection port, a signal processing and analyzing unit and a communication module; wherein:
the first AC output port and the second AC output port are respectively connected with the first LED driver and the second LED driver;
the signal detection port is connected to a wiring terminal of the lamp installation looseness detection device;
the AC input port is connected with a power supply input bus of the whole lamp;
and the signal processing and analyzing unit is used for receiving the detection signal, forming a fault signal after the detection signal is superposed with the control address code, and controlling the second LED driver to work so that the second LED driver drives the second LED light source to light a red fault lamp.
10. The system of claim 9, wherein the signal analysis processing means comprises: and the communication module is used for sending the fault signal to a control master station.
CN202011158945.8A 2020-10-26 2020-10-26 Alarm system for preventing lamp from falling Pending CN114495442A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033463A (en) * 2014-06-19 2014-09-10 宁波浩渤工贸有限公司 Bolt with looseness alarm function
CN209560668U (en) * 2017-09-04 2019-10-29 郭子涵 A kind of anti-loose anti-theft electronics nut and system
CN210050697U (en) * 2019-04-30 2020-02-11 深圳雷曼创先照明科技有限公司 Novel anti-falling LED street lamp
CN210511542U (en) * 2019-08-07 2020-05-12 珠海市金瀚灯饰有限公司 360 lamps and lanterns connection structure and outdoor lamp that degree was adjusted

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033463A (en) * 2014-06-19 2014-09-10 宁波浩渤工贸有限公司 Bolt with looseness alarm function
CN209560668U (en) * 2017-09-04 2019-10-29 郭子涵 A kind of anti-loose anti-theft electronics nut and system
CN210050697U (en) * 2019-04-30 2020-02-11 深圳雷曼创先照明科技有限公司 Novel anti-falling LED street lamp
CN210511542U (en) * 2019-08-07 2020-05-12 珠海市金瀚灯饰有限公司 360 lamps and lanterns connection structure and outdoor lamp that degree was adjusted

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