CN113112750A - Safe distance alarm device with adjustable detection range - Google Patents
Safe distance alarm device with adjustable detection range Download PDFInfo
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- CN113112750A CN113112750A CN202110423890.7A CN202110423890A CN113112750A CN 113112750 A CN113112750 A CN 113112750A CN 202110423890 A CN202110423890 A CN 202110423890A CN 113112750 A CN113112750 A CN 113112750A
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 20
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Business, Economics & Management (AREA)
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- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the technical field of alarm equipment and discloses a safe distance alarm device with an adjustable detection range. This detection range adjustable safe distance alarm device includes shell, infrared detector, roll adjustment board and alarm, set up flutedly on the shell, infrared detector sets up the tank bottom of recess, infrared detector includes lens, the roll adjustment board is followed but the groove depth direction reciprocating motion of recess sets up in the recess, the light trap has been seted up on the roll adjustment board, and the infrared light of human transmission can pass through the light trap reachs infrared detector, alarm set up on the shell, infrared detector with the alarm electricity is connected. The detection range of the safe distance alarm device with the adjustable detection range is adjustable, the safe distance alarm device can adapt to different application scenes, and can warn operators and guarantee the safety of the operators.
Description
Technical Field
The invention relates to the technical field of alarm equipment, in particular to a safe distance alarm device with an adjustable detection range.
Background
In the power failure construction operation in the transformer substation, the operation area can be divided in a fence mode and the like, so that operation constructors and tools thereof are isolated from the live equipment, and the safety of the operation area is ensured. However, the general height of the fence does not exceed 1 meter, and when a constructor works above the equipment, the limit of the fence on the operation range is easily ignored, and the over-range operation is carried out. Some operation areas are adjacent to charged bodies, for example, one side of a bus disconnecting link is charged and the other side of the bus disconnecting link is not charged, and if an operator is unfamiliar with the charging condition, the operator is very easy to get an electric shock and personal accidents in an over-range operation. At present, the types of alarms on the market are various, such as infrared detectors, microwave detectors, ultrasonic detectors and the like, but the alarms have a common problem that the detection range can not be adjusted.
Disclosure of Invention
Based on the above, the invention aims to provide a safe distance alarm device with an adjustable detection range, wherein the detection range is adjustable, the safe distance alarm device can adapt to different application scenes, and can warn operators and ensure the safety of the operators.
In order to achieve the purpose, the invention adopts the following technical scheme:
a detection range adjustable safety distance alarm device comprises:
the shell is provided with a groove;
the infrared detector is arranged at the bottom of the groove and comprises a lens;
the distance adjusting plate can be arranged in the groove in a reciprocating mode along the groove depth direction of the groove, a light hole is formed in the distance adjusting plate, and infrared light emitted by a human body can reach the infrared detector through the light hole;
and the alarm is arranged on the shell, and the infrared detector is electrically connected with the alarm.
As a preferred scheme of the safe distance alarm device with adjustable detection range, the safe distance alarm device further comprises:
and the part of the driving mechanism is arranged in the groove, and the driving mechanism is in transmission connection with the distance adjusting plate so as to drive the distance adjusting plate to move.
As a preferred scheme of the safe distance alarm device with the adjustable detection range, two driving mechanisms are arranged and are respectively and correspondingly connected to the two opposite sides of the distance adjusting plate.
As a preferable aspect of the safety distance warning device with an adjustable detection range, the driving mechanism includes:
a drive member;
the transmission assembly is arranged in the groove, the driving piece is connected to the transmission assembly in a driving mode, and the transmission assembly is connected with the distance adjusting plate.
As a detection range adjustable safe distance alarm device's preferred scheme, transmission assembly includes the action wheel, follows driving wheel and conveyer belt, follow driving wheel with the action wheel is followed the groove depth direction interval of recess sets up, the conveyer belt is around locating the action wheel with follow the driving wheel, the action wheel with the driving piece is connected, the roll adjustment board with the conveyer belt is connected.
As a preferred scheme of the safety distance alarm device with the adjustable detection range, the infrared detector comprises an infrared wide-angle detector and an infrared curtain detector, and the infrared wide-angle detector and the infrared curtain detector are both electrically connected with the alarm device.
As a preferable scheme of the safety distance alarm device with the adjustable detection range, the shape of the light hole is consistent with that of a lens of the infrared detector.
As a preferred scheme of the safe distance alarm device with adjustable detection range, the safe distance alarm device further comprises:
and the visible light emitter is arranged in the center of the surface of the lens of the infrared detector and can emit visible light towards the outside of the groove.
As a preferred scheme of the safe distance alarm device with adjustable detection range, the safe distance alarm device further comprises:
the telescopic rod is connected to the outer side wall of the outer shell and the base respectively.
As a preferred scheme of the safe distance alarm device with the adjustable detection range, the base is made of a strong magnetic material.
The invention has the beneficial effects that:
the invention provides a safe distance alarm device with an adjustable detection range, which comprises a shell, an infrared detector, a distance adjusting plate and an alarm, wherein the shell is fixed at a device needing to be provided with a safe distance alarm, the position of the distance adjusting plate is adjusted, when the distance adjusting plate is close to the infrared detector, namely a light transmitting hole is close to the infrared detector, the infrared detector receives infrared light emitted by a human body through the light transmitting hole in a larger range; when the distance adjusting plate is far away from the infrared detector, namely the light transmission hole is far away from the infrared detector, the range of infrared light emitted by the human body and received by the infrared detector through the light transmission hole is small. Therefore, the distance between the distance adjusting plate and the infrared detector can be adjusted according to different safety distances required by equipment with different voltage grades in the transformer substation, and the size of the detection range can be changed. When an operator enters a detection range, the safe distance between the operator and the charged equipment is not enough, the infrared detector detects an infrared signal and transmits the signal to the alarm, and the alarm starts to send an alarm prompt to remind the operator to return to the safe operation range. The detection range of the safe distance alarm device with the adjustable detection range is convenient to adjust, can adapt to different application scenes, and can warn operators to ensure the safety of the operators.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a safety distance alarm device with an adjustable detection range according to an embodiment of the present invention at a viewing angle;
fig. 2 is a schematic structural diagram of a safety distance alarm device with an adjustable detection range according to an embodiment of the present invention at another viewing angle.
In the figure:
1. a housing; 2. an infrared detector; 3. a distance adjusting plate; 31. a light-transmitting hole; 4. an alarm device;
5. a drive mechanism; 51. a driving wheel; 52. a driven wheel; 53. a conveyor belt;
6. a visible light emitter; 7. a base; 8. a telescopic rod; 9. a control panel; 10. a charging port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
As shown in fig. 1 and fig. 2, the present embodiment provides a detection range adjustable safety distance alarm device, the detection range adjustable safety distance alarm device includes a housing 1, an infrared detector 2, a distance adjusting plate 3 and an alarm 4, a groove is formed on the housing 1, the infrared detector 2 is disposed at the bottom of the groove, preferably, at the center of the bottom of the groove, the infrared detector 2 includes a lens, the distance adjusting plate 3 is disposed in the groove along the depth direction of the groove, the distance adjusting plate 3 is made of a light-tight material, a light-transmitting hole 31 is formed on the distance adjusting plate 3, infrared light emitted by a human body can reach the infrared detector 2 through the light-transmitting hole 31, the alarm 4 is disposed on the housing 1, and the infrared detector 2 is electrically connected with the alarm 4. Fixing the shell 1 at a position where a safe distance alarm device needs to be installed, adjusting the position of the distance adjusting plate 3, and when the distance adjusting plate 3 is close to the infrared detector 2, namely the light transmission hole 31 is close to the infrared detector 2, the range of infrared light emitted by a human body and received by the infrared detector 2 through the light transmission hole 31 is large; when the distance adjusting plate 3 is far away from the infrared detector 2, that is, the light transmission hole 31 is far away from the infrared detector 2, the range of the infrared light emitted by the human body, which is received by the infrared detector 2 through the light transmission hole 31, is small. Therefore, the distance between the distance adjusting plate 3 and the infrared detector 2 can be adjusted according to different safety distances of equipment with different voltage grades in the transformer substation, so that the size of a detection range can be changed. When an operator enters a detection range, the safe distance between the operator and the charged equipment is not enough, the infrared detector 2 detects an infrared signal and transmits the signal to the alarm 4, and the alarm 4 starts to send an alarm prompt to remind the operator to return to the safe operation range. The detection range of the safe distance alarm device with the adjustable detection range is convenient to adjust, can adapt to different application scenes, and can warn operators to ensure the safety of the operators.
Preferably, the alarm 4 is an acousto-optic alarm, which can emit a prompt sound and a prompt light when receiving a signal.
In this embodiment, the appearance of shell 1 is the rectangle, and the recess also is the rectangle, and processing is convenient, is convenient for install the spare part. Of course, in other embodiments, the shapes of the housing 1 and the groove may be other shapes, such as a sphere, etc., which are not described in detail herein. Preferably, the shape of the distance adjusting plate 3 is consistent with that of the groove, the side edge of the distance adjusting plate 3 is attached to the wall of the groove, and infrared light emitted by a human body can only be collected to the infrared detector 2 from the light-transmitting hole 31. The shape of the distance adjusting plate 3 is consistent with that of the groove, so that infrared light is prevented from entering from the positions except the light-transmitting holes 31 to influence the detection effect.
Specifically, the infrared detector 2 uses a pyroelectric infrared sensor as a receiving element, a lens is arranged on the surface of the detector, and infrared light emitted by a human body is collected to the pyroelectric infrared sensor through the lens and is converted into an electric signal by the pyroelectric infrared sensor. Preferably, the infrared detector 2 comprises an infrared wide-angle detector and an infrared curtain detector, and both the infrared wide-angle detector and the infrared curtain detector are electrically connected with the alarm 4. The wide-angle lens and the curtain lens are integrated, the double sensors are adopted to collect signals, the detection range of the wide-angle lens is large, the precision of the curtain lens is high, the wide-angle lens and the curtain lens are combined, the precision of the infrared detector 2 can be improved, and missing report and misinformation are prevented.
Preferably, the shape of the light transmission hole 31 is in conformity with the lens shape of the infrared detector 2. Illustratively, the distance adjusting plate 3 is provided with a square light hole 31.
In order to conveniently judge whether the detection range is adjusted in place, the safety distance alarm device with the adjustable detection range further comprises a visible light emitter 6, the visible light emitter 6 is arranged in the center of the surface of the lens of the infrared detector 2, and the visible light emitter 6 can emit visible light towards the outside of the groove. The visible light emitter 6 is arranged in the center of the surface of the lens, so that the range of visible light emitted by the visible light emitter 6 is consistent with the range detected by the infrared detector 2, an installer can conveniently judge whether the detection range is adjusted in place, the detection range can be adjusted according to the range of the visible light, time is saved, and the adjustment accuracy of the detection range is improved.
Furthermore, this safe distance alarm device of detection range adjustable still includes base 7 and telescopic link 8, and the both ends of telescopic link 8 are connected respectively in the lateral wall of base 7 and shell 1. The detection position can be finely adjusted by adjusting the length of the telescopic rod 8. Preferably, the base 7 is made of a strong magnetic material. Because the transformer substation equipment framework is made of metal materials, the strong magnetic base 7 can enable the safe distance alarm device with the adjustable detection range to be firmly adsorbed on the equipment strut, so that the safety distance alarm device is convenient and quick to assemble and disassemble and is convenient for installation personnel to arrange; and the installation angle of the base 7 can be conveniently adjusted, thereby adjusting the detection direction. The detection range adjustable safe distance alarm device that this embodiment provided's detection direction and detection area are all convenient adjustable, to the electrical equipment of different voltage classes and different mounted position, can both adjust suitable detection range fast.
The position of the distance adjusting plate 3 of the safety distance alarm device with the adjustable detection range can be adjusted manually or electrically. For using manpower sparingly, accurate regulation detection distance, this detection range adjustable safe distance alarm device still includes actuating mechanism 5, and actuating mechanism 5 part sets up in the recess, and actuating mechanism 5 transmission is connected in roll adjustment board 3 and is removed with drive roll adjustment board 3. Preferably, in order to keep the distance adjusting plate 3 stable during the movement, two driving mechanisms 5 are provided, and the two driving mechanisms 5 are respectively connected to two opposite sides of the distance adjusting plate 3 in a transmission manner. The driving mechanisms 5 on the two sides drive the distance adjusting plates 3 to move simultaneously, so that the distance adjusting plates 3 are not inclined when moving, stable and smooth in distance adjustment.
Further, this detection range adjustable safe distance alarm device still includes controller, battery and control panel 9 through circuit connection, still is provided with the holding tank on the shell 1, and controller and battery all set up in the holding tank, and control panel 9 sets up in the notch department of holding tank, and the battery provides the electric energy for this detection range adjustable safe distance alarm device, controls the position of roll adjustment board 3 through control panel 9. Specifically, the housing 1 is further provided with a charging port 10, and the battery is charged through the charging port 10. It should be noted that, in this embodiment, the controller may be a centralized or distributed controller, for example, the controller may be a single-chip microcomputer or may be formed by a plurality of distributed single-chip microcomputers, and a control program may be run in the single-chip microcomputers to control the driving mechanism 5 to implement its functions.
More precisely, the driving mechanism 5 comprises a driving member (not shown in the figure) and a transmission assembly, the transmission assembly is arranged in the groove, the driving member is connected with the transmission assembly in a driving manner, and the transmission assembly is connected with the distance adjusting plate 3. Specifically, the transmission assembly comprises a driving wheel 51, a driven wheel 52 and a conveyor belt 53, the driven wheel 52 and the driving wheel 51 are arranged at intervals along the groove depth direction of the groove, the conveyor belt 53 is wound on the driving wheel 51 and the driven wheel 52, the driving wheel 51 is connected with the driving part, and the distance adjusting plate 3 is connected with the conveyor belt 53. Specifically, holding tank and recess intercommunication, the driving piece setting is in the holding tank to be connected with action wheel 51 through the pivot, the driving piece setting avoids the driving piece to obstruct the removal of roll adjustment board 3 in the holding tank. More specifically, one side of the distance adjusting plate 3 is provided with a notch, and one side of the notch is fixedly connected with the conveyor belt 53. The driving piece drives the driving wheel 51 to rotate, and the conveyor belt 53 rotates along with the driving wheel, so that the distance adjusting plate 3 is driven to move; the driving piece can also drive the driving wheel 51 to rotate reversely, and the rotating direction of the conveyor belt 53 is changed, so that the distance adjusting plate 3 is driven to move towards the opposite direction, and the distance adjusting plate 3 is close to or far away from the infrared detector 2. Of course, in other embodiments, the transmission assembly may also be a ball screw mechanism, the screw of the ball screw is disposed along the depth direction of the groove, the driving member is drivingly connected to the ball screw, and the distance adjusting plate 3 is connected to the nut of the ball screw. The driving piece drives the rolling screw rod to rotate, so that the nut moves linearly along the screw rod, and the distance adjusting plate 3 is driven to move along the groove depth direction of the groove.
Preferably, the driving member provided in this embodiment is a driving motor.
Example two
The difference between this embodiment and the first embodiment is that the driving mechanism 5 comprises a driving unit and a guiding component, the driving unit is connected with the guiding component in a driving way, and the moving end of the guiding component is connected with the distance adjusting plate 3. Specifically, the direction subassembly includes slide rail and slider, and the slide rail sets up in the recess along the groove depth direction of recess, slider sliding connection in slider, and the drive unit drive is connected in the slider, and roll adjustment board 3 is connected with the slider. The driving unit drives the sliding block to move along the sliding rail, so that the distance adjusting plate 3 is driven to move along the groove depth direction of the groove, and the distance adjusting plate 3 is close to or far away from the infrared detector 2. Of course, in other embodiments, the guiding component may also be a guiding block and a guiding rod, the guiding rod is disposed along the depth direction of the groove, the guiding block is slidably sleeved on the guiding rod and connected with the driving unit, and the distance adjusting plate 3 is connected with the guiding block. The driving unit drives the guide block to move on the guide rod, so that the distance adjusting plate 3 is driven to move along the groove depth direction of the groove.
Preferably, the driving unit provided by the present embodiment is a driving cylinder.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A safe distance alarm device with adjustable detection range is characterized by comprising:
the device comprises a shell (1), wherein a groove is formed in the shell (1);
the infrared detector (2) is arranged at the bottom of the groove, and the infrared detector (2) comprises a lens;
the distance adjusting plate (3) can be arranged in the groove in a reciprocating mode along the groove depth direction of the groove, a light hole (31) is formed in the distance adjusting plate (3), and infrared light emitted by a human body can reach the infrared detector (2) through the light hole (31);
and the alarm (4) is arranged on the shell (1), and the infrared detector (2) is electrically connected with the alarm (4).
2. The adjustable detection range safety distance warning device according to claim 1, further comprising:
and the driving mechanism (5) is partially arranged in the groove, and the driving mechanism (5) is in transmission connection with the distance adjusting plate (3) to drive the distance adjusting plate (3) to move.
3. The safety distance alarm device with the adjustable detection range according to claim 2, wherein two driving mechanisms (5) are provided, and the two driving mechanisms (5) are respectively and correspondingly connected to two opposite sides of the distance adjusting plate (3).
4. The adjustable detection range safety distance warning device according to claim 2, wherein the driving mechanism (5) comprises:
a drive member;
the transmission assembly is arranged in the groove, the driving piece is connected to the transmission assembly in a driving mode, and the transmission assembly is connected with the distance adjusting plate (3).
5. The safety distance alarm device with the adjustable detection range according to claim 4, wherein the transmission assembly comprises a driving wheel (51), a driven wheel (52) and a transmission belt (51), the driven wheel (52) and the driving wheel (51) are arranged at intervals along the groove depth direction of the groove, the transmission belt (51) is wound on the driving wheel (51) and the driven wheel (52), the driving wheel (51) is connected with the driving member, and the distance adjusting plate (3) is connected with the transmission belt (53).
6. The adjustable detection range safety distance warning device according to claim 1, wherein the infrared detector (2) comprises an infrared wide-angle detector and an infrared curtain detector, and the infrared wide-angle detector and the infrared curtain detector are both electrically connected with the warning device (4).
7. The adjustable detection range safety distance warning device according to claim 1, wherein the shape of the light-transmitting hole (31) is identical to the shape of the lens of the infrared detector (2).
8. The adjustable detection range safety distance warning device according to claim 1, further comprising:
a visible light emitter (6) disposed in the center of the lens surface of the infrared detector (2), the visible light emitter (6) being capable of emitting visible light out of the recess.
9. The adjustable detection range safety distance warning device according to claim 1, further comprising:
the telescopic rod comprises a base (7) and a telescopic rod (8), wherein two ends of the telescopic rod (8) are respectively connected to the base (7) and the outer side wall of the shell (1).
10. The adjustable detection range safety distance warning device according to claim 9, characterized in that the base (7) is made of a strong magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423890.7A CN113112750A (en) | 2021-04-20 | 2021-04-20 | Safe distance alarm device with adjustable detection range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423890.7A CN113112750A (en) | 2021-04-20 | 2021-04-20 | Safe distance alarm device with adjustable detection range |
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| Publication Number | Publication Date |
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| CN113112750A true CN113112750A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110423890.7A Pending CN113112750A (en) | 2021-04-20 | 2021-04-20 | Safe distance alarm device with adjustable detection range |
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| CN (1) | CN113112750A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808352A (en) * | 2021-09-14 | 2021-12-17 | 南京冠安科技有限公司 | Basic micro-vibration control perception alarm system |
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Application publication date: 20210713 |