CN111815882A - Alarm for outdoor power supply operation - Google Patents
Alarm for outdoor power supply operation Download PDFInfo
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- CN111815882A CN111815882A CN202010703430.5A CN202010703430A CN111815882A CN 111815882 A CN111815882 A CN 111815882A CN 202010703430 A CN202010703430 A CN 202010703430A CN 111815882 A CN111815882 A CN 111815882A
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- flexible
- flexible lead
- alarm
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- power supply
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/10—Mechanical actuation by pressure on floors, floor coverings, stair treads, counters, or tills
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
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- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
An alarm for outdoor power supply operation belongs to the field of operation protection. The ground foot intrusion detection device comprises a surface intrusion detection module, a ground foot intrusion detection module and an alarm, wherein the surface intrusion detection module and the ground foot intrusion module are coupled and connected with the alarm, so that the alarm can give an alarm after an intrusion detection surface is detected or a moving object of the ground foot intrusion detection module is pressed; the ground foot intrusion detection module comprises a pressure-sensitive linear array sensor. The alarm for outdoor power supply operation can detect moving objects on an intruding surface and give an early warning through the surface intrusion detection module, and can detect moving objects close to a ground intrusion detection line, such as snakes, through the ground intrusion detection module, so that intrusion detection is more comprehensive.
Description
Technical Field
The invention relates to the field of operation protection, in particular to an alarm for outdoor power supply operation.
Background
Outdoor hazards are high, such as insects and beasts. The attention of the outdoor power supply operators is mostly focused on construction or equipment maintenance, and the emergency can not be accurately found. Therefore, a safety tool is required to protect the work safety. In addition, the protection tool can also play a role in reminding external personnel of paying attention to safety.
Patent document CN210217330U describes a protective guard for electric power construction, which includes a telescopic belt warning strip, a telescopic rod, a threaded tightening ring, a support rod, a telescopic chain isolation belt, a device base and a solid support rod, wherein the telescopic belt warning strip is arranged at the upper end of the telescopic rod, the lower end of the telescopic rod is arranged in the upper end of the support rod, the threaded tightening ring is arranged at the connecting position of the telescopic rod and the support rod, the lower end of the support rod is provided with the telescopic chain isolation belt, the lower end of the telescopic chain isolation belt is connected with the upper end of the solid support rod, and the device; the device base is disc-shaped, and the lower end face of the device base is provided with anti-skid grains. The technical scheme is mainly used for playing a role in blocking. In practice, it is mainly used to prevent outside personnel from entering the work area.
Patent document CN108010240A describes an intelligent early warning device on duty, including a plurality of removal carriers and device on duty, all set up authentication module on every removal carrier, the device on duty includes the device on duty shell, the device on duty shell sets up infrared induction module, identification module, central processing module and alarm module, infrared induction module's output is connected with central processing module's first input electricity, central processing module's first output is connected with identification module's input electricity, identification module's output is connected with central processing module's second input electricity, central processing module's second output is connected with alarm module's input electricity, communicate through wireless communication protocol between identification module and the authentication module. The product using the technical scheme can give an alarm when a moving object not wearing the identity verification module approaches to the product, and reminds an operator to pay attention to the surrounding environment in time.
Disclosure of Invention
The invention aims to provide an alarm for outdoor power supply operation, which aims to solve the technical problem that the existing protective equipment has single detection on an invasion mode.
The technical scheme of the invention is as follows:
an alarm for outdoor power supply operation comprises a surface intrusion detection module, a ground foot intrusion detection module and an alarm, wherein the surface intrusion detection module and the ground foot intrusion module are coupled with the alarm, so that the alarm can give an alarm after an intrusion detection surface is detected or a moving object which is pressed against the ground foot intrusion module is detected; the ground foot intrusion detection module comprises a pressure-sensitive linear array sensor.
Preferably, the pressure-sensitive linear array sensor comprises a first flexible lead, a second flexible lead and an elastic support, the second flexible lead is arranged on the side of the first flexible lead in a surrounding manner and is arranged in the extending direction of the first flexible lead, two ends of the first flexible lead are respectively fixedly connected with two ends of the second flexible lead in an insulating manner, and the elastic support is used for elastically connecting the first flexible lead and the second flexible lead so as to enable an electrical gap to be formed between the first flexible lead and the second flexible lead.
Furthermore, the head end of the first flexible lead and the head end of the second flexible lead are used for connecting a direct current power supply, the head end of the first flexible lead and/or the head end of the second flexible lead are/is connected in series with a current limiting resistor, and the tail end of the first flexible lead is electrically connected with the tail end of the second flexible lead through a voltage dividing resistor; the elastic support is used for enabling the pressed part of the second flexible lead to be electrically connected with the first flexible lead.
Furthermore, the head end of the first flexible wire and the head end of the second flexible wire are used for connecting an alternating current power supply, and the head end of the first flexible wire and/or the head end of the second flexible wire are/is connected with a damping resistor in series; the elastic support is used for enabling the pressed part of the second flexible lead to be close to or electrically connected with the first flexible lead.
Furthermore, the number of the second flexible wires is multiple, the second flexible wires form a horizontal group of wires, and the second flexible wires in the horizontal group of wires are all parallel to the first flexible wires and are uniformly distributed on the circumference of the first flexible wires.
Furthermore, at least one second flexible conducting wire is arranged on the side of the first flexible conducting wire in a spiral mode around the first flexible conducting wire.
Preferably, the elastic support comprises a first guide tube, a second guide frame and a plurality of elastic connecting pieces, at least one second guide frame is arranged on the side of the first guide tube around the tube axis of the first guide tube and extends in the extending direction of the first guide tube, and the elastic connecting pieces are used for connecting the first guide tube and the second guide frame; one of the first flexible lead and the second flexible lead is movably arranged in the second guide frame in a penetrating way.
Further preferably, the cable further comprises an insulating sleeve, the head end of the first flexible lead and the head end of the second flexible lead are used for connecting an alternating current power supply, and the first flexible lead, the second flexible lead and the elastic support are all arranged in the insulating sleeve.
Further preferably, the first guide tube is an insulating sleeve, the head end of the first flexible lead and the head end of the second flexible lead are used for connecting a direct current power supply, and a window is formed in the insulating sleeve, so that a pressed part of the second flexible lead, which corresponds to the window, can be electrically connected with the first flexible lead.
The invention has the beneficial effects that:
1. in the prior art, the movable object entering the protection area from the ground is not detected in the operation protection, the flatness of the ground is poor in the outdoor operation, the alarm is possibly mistakenly reported due to the object protruding out of the ground, and the common surface intrusion detection module cannot detect the movable object entering the protection area from the ground. However, in outdoor operations, dangerous animals such as snakes may enter the protected area from the ground and may harm the personal safety of the operators. The alarm for outdoor power supply operation can detect moving objects on an intruding surface and give an early warning through the surface intrusion detection module, and can detect moving objects close to a ground intrusion detection line, such as snakes, through the ground intrusion detection module, so that intrusion detection is more comprehensive.
2. When the second flexible lead is pressed, the distance between the pressed part of the second flexible lead and the first lead is changed, so that piezoelectric induction is caused; when the pressure of the second flexible wire disappears, the two ends of the first flexible wire are respectively in insulation fixed connection with the two ends of the second flexible wire, and the elastic support resets to drive the second flexible wire to reset, so that the distance between the second flexible wire and the first flexible wire is restored to the original state. Thus, the pressure-sensitive linear array sensor of the present invention can detect the pressure applied thereto.
3. After the head end of the first flexible wire and the head end of the second flexible wire are connected with the direct current power supply, if the pressed part of the second flexible wire is electrically connected with the first flexible wire, the voltage dividing resistor is short-circuited, so that the current flowing through the current limiting resistor is changed, and whether the pressure is loaded on the second flexible wire can be indirectly found.
4. Theoretically, after the head end of the first flexible lead and the head end of the second flexible lead are connected with an alternating current power supply, the change of the circuit capacitance can be caused after the distance between the first flexible lead and the second flexible lead is changed, so that the storage capacity between the first flexible lead and the second flexible lead is changed, and whether the pressure is loaded on the second flexible lead or not can be indirectly found by detecting the storage capacity of the capacitance or the current or voltage fluctuation at a divider resistor.
5. The elastic bracket consisting of the first guide tube, the second guide frame and the plurality of elastic connecting pieces can reduce the fixing difficulty of the first lead and the second lead; when the flexible lead movably arranged in the second guide frame in a penetrating way is pressed, the flexible lead and the second guide frame at two sides of the pressed part of the flexible lead can relatively move except that the elastic connecting piece is easy to deform, so that the sensitivity of the pressure-sensitive linear array sensor to pressure is higher.
Drawings
Fig. 1 is a perspective view of an elastic support of a pressure-sensitive linear array sensor according to the present invention.
Fig. 2 is a front view of a pressure sensitive linear array sensor of the present invention;
fig. 3 is a right side view of fig. 2.
Reference number 10-first guide tube, 11-window, 12-elastic connector, 13-second guide frame.
Detailed Description
The present invention is described below in terms of embodiments in conjunction with the accompanying drawings to assist those skilled in the art in understanding and implementing the present invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.
Example 1: a pressure-sensitive linear array sensor comprises a first flexible lead, a second flexible lead and an elastic support.
The second flexible lead is arranged on the side of the first flexible lead in a surrounding mode and is arranged towards the extending direction of the first flexible lead. Specifically, the mode that the second flexible wire encircles first flexible wire setting and is in the side of first flexible wire has two kinds: the first feasible way is that the second flexible wires are provided with a plurality of second flexible wires, the second flexible wires are formed with horizontal group wires, and the second flexible wires in the horizontal group wires are all arranged in parallel to the first flexible wires and are uniformly distributed on the circumference of the first flexible wires. For example, the horizontally arranged group of conducting wires comprises three second flexible conducting wires, the cross sections of the three second flexible conducting wires and the cross section of the first flexible conducting wire are connected to form a triangle, and the cross section of the first flexible conducting wire is arranged in the triangle. The second feasible mode is that at least one second flexible conducting wire is arranged on the side of the first flexible conducting wire in a spiral mode around the first flexible conducting wire.
Wherein, the both ends of first flexible wire and the both ends of second flexible wire are insulating fixed connection respectively. The purpose of setting up like this is the relative length of fixed first flexible wire and second flexible wire, if second flexible wire and elastic support swing joint, can avoid the second flexible wire pressurized back, the relative length change back of second flexible wire and first flexible wire, and the elastic support can not drive the relative length of second flexible wire and first flexible wire and reset.
The elastic support is used for elastically connecting the first flexible lead and the second flexible lead so as to enable an electric gap to be formed between the first flexible lead and the second flexible lead. The mode of the elastic support connecting the first flexible lead and the second flexible lead can be a fixed connection, and can also be a mode of limiting the maximum distance and the minimum distance of the first flexible lead and the second flexible lead at the connecting point of the elastic support. Although the resilient mount may define a minimum distance between the first flexible conductor and the second flexible conductor, the compressed portion of the second flexible conductor may still be in proximity to the first flexible conductor as the resilient mount may deform, such as compress or bend under tension, and may also be in proximity to or conform to the first flexible conductor as the compressed portion of the second flexible conductor pulls on its adjacent two resilient mounts.
If the first end of the first flexible wire and the first end of the second flexible wire are connected with an alternating current power supply during use, the first end of the first flexible wire and/or the first end of the second flexible wire are/is connected with a damping resistor in series; the elastic support is used for enabling the pressed part of the second flexible lead to be close to or electrically connected with the first flexible lead. The position of the damping resistor at the head end of the first flexible lead or the head end of the second flexible lead does not affect the detection effect.
Preferably, referring to fig. 1 to 3, the elastic bracket includes a first guide tube 10, a second guide frame 13 and a plurality of elastic connecting members 12, at least one second guide frame 13 is disposed around the tube axis of the first guide tube 10 at the side of the first guide tube 10 and extends in the extending direction of the first guide tube 10, and the elastic connecting members 12 are used for connecting the first guide tube 10 and the second guide frame 13; one of the first flexible lead and the second flexible lead is movably inserted into the second guide frame 13, for example, the first flexible lead is inserted into the second guide frame 13, and the second flexible lead is inserted into the first guide tube 10. Of course, it is also possible to pass the second flexible wire through the second guide frame 13, and then pass the first flexible wire through the first guide tube 10.
Preferably, the pressure-sensitive linear array sensor further comprises an insulating sleeve, the head end of the first flexible wire and the head end of the second flexible wire are used for connecting an alternating current power supply, and the first flexible wire, the second flexible wire and the elastic support are all arranged in the insulating sleeve. The insulating sleeve is used for avoiding false detection caused by grounding of the first lead or the second lead.
Example 2: a pressure-sensitive linear array sensor comprises a first flexible lead, a second flexible lead and an elastic support.
The second flexible lead is arranged on the side of the first flexible lead in a surrounding mode and is arranged towards the extending direction of the first flexible lead. Specifically, the mode that the second flexible wire encircles first flexible wire setting and is in the side of first flexible wire has two kinds: the first feasible way is that the second flexible wires are provided with a plurality of second flexible wires, the second flexible wires are formed with horizontal group wires, and the second flexible wires in the horizontal group wires are all arranged in parallel to the first flexible wires and are uniformly distributed on the circumference of the first flexible wires. For example, the horizontally arranged group of conducting wires comprises three second flexible conducting wires, the cross sections of the three second flexible conducting wires and the cross section of the first flexible conducting wire are connected to form a triangle, and the cross section of the first flexible conducting wire is arranged in the triangle. The second feasible mode is that at least one second flexible conducting wire is arranged on the side of the first flexible conducting wire in a spiral mode around the first flexible conducting wire.
Wherein, the both ends of first flexible wire and the both ends of second flexible wire are insulating fixed connection respectively. The purpose of setting up like this is the relative length of fixed first flexible wire and second flexible wire, if second flexible wire and elastic support swing joint, can avoid the second flexible wire pressurized back, the relative length change back of second flexible wire and first flexible wire, and the elastic support can not drive the relative length of second flexible wire and first flexible wire and reset.
The elastic support is used for elastically connecting the first flexible lead and the second flexible lead so as to enable an electric gap to be formed between the first flexible lead and the second flexible lead. The mode of the elastic support connecting the first flexible lead and the second flexible lead can be a fixed connection, and can also be a mode of limiting the maximum distance and the minimum distance of the first flexible lead and the second flexible lead at the connecting point of the elastic support. Although the resilient mount may define a minimum distance between the first flexible conductor and the second flexible conductor, the compressed portion of the second flexible conductor may still be in proximity to the first flexible conductor as the resilient mount may deform, such as compress or bend under tension, and may also be in proximity to or conform to the first flexible conductor as the compressed portion of the second flexible conductor pulls on its adjacent two resilient mounts.
If the head end of the first flexible lead and the head end of the second flexible lead are connected with a direct current power supply in use, the head end of the first flexible lead and/or the head end of the second flexible lead are/is connected with a current limiting resistor in series, and the tail end of the first flexible lead is electrically connected with the tail end of the second flexible lead through a voltage dividing resistor; the elastic support is used for enabling the pressed part of the second flexible lead to be electrically connected with the first flexible lead. The position of the current-limiting resistor at the head end of the first flexible lead or the head end of the second flexible lead does not affect the detection effect.
Preferably, referring to fig. 1 to 3, the elastic bracket includes a first guide tube 10, a second guide frame 13 and a plurality of elastic connecting members 12, at least one second polarity guide frame 13 is disposed around the tube axis of the first guide tube 10 at the side of the first guide tube 10 and extends in the extending direction of the first guide tube 10, and the elastic connecting members 13 are used for connecting the first guide tube 10 and the second guide frame 13; one of the first flexible lead and the second flexible lead is movably arranged in the second guide frame in a penetrating way. For example, the first flexible wire is inserted into the second guide frame 13, and the second flexible wire is inserted into the first guide tube 10. Of course, it is also possible to pass the second flexible wire through the second guide frame 13, and then pass the first flexible wire through the first guide tube 10.
Further preferably, the first guide tube 10 is an insulating sleeve, the head end of the first flexible lead and the head end of the second flexible lead are used for connecting a direct current power supply, and a window 11 is formed in the insulating sleeve, so that a pressed portion of the second flexible lead corresponding to the window can be electrically connected with the first flexible lead.
Example 3: an alarm for outdoor power supply operation comprises a surface intrusion detection module, a ground foot intrusion detection module and an alarm, wherein the surface intrusion detection module and the ground foot intrusion module are coupled and connected with the alarm, so that the alarm can give an alarm after an intrusion detection surface or a moving object pressing the ground foot intrusion detection module is detected; the ground intrusion detection module includes the pressure-sensitive line sensor of embodiment 1 or embodiment 2.
In the invention, the pressure-sensitive linear array sensor is used for detecting moving objects which move close to the ground, so that the elastic support can meet the following requirements: when a moving object to be detected by the pressure-sensitive linear array sensor is pressed on the pressure-sensitive linear array sensor, the output signal of the pressure-sensitive linear array sensor can be obviously changed.
When the device is used, the intrusion detection surface of the surface intrusion detection module is enclosed to form a polygonal detection surface, the pressure-sensitive linear array sensor is placed on the ground and enclosed to form a polygon, and the polygonal detection surface and the polygon are combined to form a protection area.
In the prior art, the movable object entering the protection area from the ground is not detected in the operation protection, the flatness of the ground is poor in the outdoor operation, the alarm is possibly mistakenly reported due to the object protruding out of the ground, and the common surface intrusion detection module cannot detect the movable object entering the protection area from the ground. However, in outdoor operations, dangerous animals such as snakes may enter the protected area from the ground and may harm the personal safety of the operators. According to the alarm for outdoor power supply operation, disclosed by the invention, when the snake presses on the pressure-sensitive linear array sensor, the alarm can give an alarm through the ground foot intrusion detection module, so that the harm of risk factors of the kind can be reduced.
The invention is described in detail above with reference to the figures and examples. It should be understood that in practice it is not intended to be exhaustive of all possible embodiments, and the inventive concepts herein are presented by way of illustration. Without departing from the inventive concept of the present invention and without any creative effort, a person skilled in the art should, in all of the embodiments, make optional combinations of technical features and experimental changes of specific parameters, or make a routine replacement of the disclosed technical means by using the prior art in the technical field to form a specific implementation manner, which belongs to the content implicitly disclosed by the present invention.
Claims (9)
1. An alarm for outdoor power supply operation, includes face invasion detection module and alarm, its characterized in that: the ground foot intrusion detection module is coupled with the alarm, and the surface intrusion detection module and the ground foot intrusion module are coupled with the alarm, so that the alarm can give an alarm after an intrusion detection surface is detected or a moving object pressed against the ground foot intrusion module is detected; the ground foot intrusion detection module comprises a pressure-sensitive linear array sensor.
2. An alarm for outdoor power supply operation according to claim 1, wherein: the flexible cable comprises a first flexible lead, a second flexible lead and an elastic support, wherein the second flexible lead surrounds the first flexible lead and is arranged on the side of the first flexible lead and is arranged in the extending direction of the first flexible lead, two ends of the first flexible lead are respectively in insulation fixed connection with two ends of the second flexible lead, and the elastic support is used for elastically connecting the first flexible lead with the second flexible lead so as to enable an electric gap to be formed between the first flexible lead and the second flexible lead.
3. An alarm for outdoor power supply operation according to claim 2, wherein: the head end of the first flexible lead and the head end of the second flexible lead are used for connecting a direct-current power supply, the head end of the first flexible lead and/or the head end of the second flexible lead are/is connected with a current-limiting resistor in series, and the tail end of the first flexible lead is electrically connected with the tail end of the second flexible lead through a voltage-dividing resistor; the elastic support is used for enabling the pressed part of the second flexible lead to be electrically connected with the first flexible lead.
4. An alarm for outdoor power supply operation according to claim 2, wherein: the head end of the first flexible wire and the head end of the second flexible wire are used for connecting an alternating current power supply, and the head end of the first flexible wire and/or the head end of the second flexible wire are/is connected with a damping resistor in series; the elastic support is used for enabling the pressed part of the second flexible lead to be close to or electrically connected with the first flexible lead.
5. An alarm for outdoor power supply operation according to claim 2, wherein: the number of the second flexible wires is multiple, the second flexible wires form horizontally arranged group wires, and the second flexible wires in the horizontally arranged group wires are all parallel to the first flexible wires and are uniformly distributed on the periphery of the first flexible wires.
6. An alarm for outdoor power supply operation according to claim 2, wherein: the number of the second flexible conducting wires is at least one, and the at least one second flexible conducting wire spirally surrounds the first flexible conducting wire and is arranged on the side of the first flexible conducting wire.
7. An alarm for outdoor power supply operation according to claim 2, wherein: the elastic support comprises a first guide pipe, a second guide frame and a plurality of elastic connecting pieces, at least one second guide frame is arranged on the side of the first guide pipe in a surrounding mode around the pipe shaft of the first guide pipe and extends in the extending direction of the first guide pipe, and the elastic connecting pieces are used for connecting the first guide pipe and the second guide frame; one of the first flexible lead and the second flexible lead is movably arranged in the second guide frame in a penetrating way.
8. An outdoor power supply operation alarm according to claim 7, wherein: still include insulation support, the head end of first flexible wire and the head end of second flexible wire are used for connecting alternating current power supply, first flexible wire, second flexible wire and elastic support all sets up in the insulation support.
9. An outdoor power supply operation alarm according to claim 7, wherein: the first guide tube is an insulating sleeve, the head end of the first flexible lead and the head end of the second flexible lead are used for being connected with a direct current power supply, and a window is formed in the insulating sleeve, so that the pressed part, corresponding to the window, of the second flexible lead can be electrically connected with the first flexible lead.
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| CN202010703430.5A CN111815882B (en) | 2020-07-21 | 2020-07-21 | Alarm for outdoor power supply operation |
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| CN202010703430.5A CN111815882B (en) | 2020-07-21 | 2020-07-21 | Alarm for outdoor power supply operation |
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| CN111815882B (en) | 2021-08-20 |
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