CN115263155A - One-way backflow prevention channel system and control method thereof - Google Patents
One-way backflow prevention channel system and control method thereof Download PDFInfo
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- CN115263155A CN115263155A CN202210936605.6A CN202210936605A CN115263155A CN 115263155 A CN115263155 A CN 115263155A CN 202210936605 A CN202210936605 A CN 202210936605A CN 115263155 A CN115263155 A CN 115263155A
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- 230000002265 prevention Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 9
- 241000287107 Passer Species 0.000 claims description 43
- 230000033001 locomotion Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 9
- 230000000151 anti-reflux effect Effects 0.000 claims description 3
- 239000005340 laminated glass Substances 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
- E05F2015/765—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects using optical sensors
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- General Physics & Mathematics (AREA)
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Abstract
The invention relates to the technical field of security protection, in particular to a high-protection door system suitable for an unattended environment, and specifically relates to a one-way backflow preventing channel system and a control method thereof. The one-way backflow-preventing channel system comprises a door body frame, an outer door, an inner door, a left sealing wall, a right sealing wall, a top sealing plate, a driving device, a control unit, an external infrared action sensor, an outer door active infrared sensor, an inner door active infrared sensor, an outer door infrared counting sensor, an inner door infrared counting sensor and an internal infrared grating sensor, can be used for realizing one-way backflow prevention with high security performance, preventing a person passing through from entering in the opposite direction, solving the problem of limiting the flow of the person in a specific place and meeting the security requirement of an environment without the attendance of an internal worker; the anti-collision door lock also has the functions of preventing articles from being left over, preventing reverse article transmission, preventing door opening and closing from collision, monitoring remote equipment, warning prompt, multiple anti-pinch protection and the like.
Description
The technical field is as follows:
the invention relates to the technical field of security protection, in particular to a high-protection door system suitable for an unattended environment, and specifically relates to a one-way backflow prevention channel system and a control method thereof.
The background art comprises the following steps:
interlocking door on the market at present, also called linkage door mainly comprises two doors, and the door body is equipped with the electric mortiser lock and reaches the interlocking function with the door magnetism, and two doors do not allow to open simultaneously in the normal use, just allow to open one back door behind only one current door closed, form the function of gang switch door. When a common interlocking door is used as a one-way backflow-preventing channel, one-way personnel flow control can be realized, for example, patent CN101525972A discloses an integrated forced linkage interlocking door which comprises an integrated door frame, an inner door, an outer door, an inner door lock and an inner door handle, wherein the inner door lock is installed on the inner door, the inner door handle, an outer door lock and an outer door handle, and a forced linkage interlocking device is arranged between the inner door and the outer door; and patent CN216477006U discloses an interlocking door with good air tightness, which comprises two door frame bodies, a first door body and a second door body, wherein the two door frame bodies are arranged in parallel front and back, the first door body and the second door body are respectively hinged to the inner cavities of the two door frame bodies through hinges, and a connecting mechanism is arranged between the two door frame bodies; the connecting mechanism comprises two first connecting rods and two second connecting rods, the two first connecting rods are symmetrically arranged at the top between the two door frame bodies, the two second connecting rods are symmetrically arranged at the bottom between the two door frame bodies, the corner of one side of the two door frame bodies opposite to each other is fixedly provided with a rod sleeve, two ends of the two first connecting rods and two ends of the two second connecting rods are respectively fixedly inserted into the rod sleeves at corresponding positions, and two ends of the two second connecting rods are respectively provided with a bending part; the lack of the object identification function of the interlocking doors for people passing through the door area to intentionally or unintentionally leave behind can only be applied to places generally requiring low security level. For places with high security level requirements, such as airports, high-speed rail stations and the like, in addition to limiting the unidirectional flow of personnel, the reverse direction transfer of articles also needs to be limited, and the traditional interlocking door cannot meet the high protection requirement.
The invention content is as follows:
aiming at the defects that an interlocking door in the prior art cannot meet the one-way backflow prevention passing requirement of high security performance and the like, the one-way backflow prevention channel system and the control method thereof are provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an one-way anti-reflux channel system, includes door body frame, outer door, interior door, left side sealed wall, right side sealed wall, top closing plate, drive arrangement and the control unit, its characterized in that: the one-way backflow-preventing channel system further comprises an external infrared action sensor, an external door active infrared sensor, an internal door active infrared sensor, an external door infrared counting sensor, an internal door infrared counting sensor and an internal infrared grating sensor, wherein the external door, the internal door, the left sealing wall, the right sealing wall and the top sealing plate are installed in the door body frame and enclose a closed one-way backflow-preventing channel, the external door and the internal door are used for opening or closing the one-way backflow-preventing channel, the driving device is used for driving the external door and the internal door to be opened or closed, and the control unit is used for collecting signals of the external infrared action sensor, the external door active infrared sensor, the internal door active infrared sensor, the external door infrared counting sensor, the internal door infrared counting sensor and the internal infrared grating sensor and controlling the external door and the internal door to form interlocking;
the external infrared action sensor is used for detecting whether passers enter an external door detection area positioned outside an external door or not and sending signals to the control unit, the external door infrared counting sensor is used for counting the number of the passers entering the one-way backflow-preventing channel through the external door, the external door active infrared sensor is used for detecting the positions of the passers and articles passing through the external door, the internal door infrared counting sensor is used for counting the number of the passers leaving the one-way backflow-preventing channel through the internal door, the internal door active infrared sensor is used for detecting the positions of the passers and articles passing through the internal door, and the internal infrared grating sensor is used for detecting the positions of the passers and articles in the one-way backflow-preventing channel; when the exit count is equal to the entry count, the inner door infrared count sensor sends a signal to the control unit, and the control unit controls the driving device to close the inner door.
Further, the outer door and the inner door are oppositely arranged on the front side and the rear side of the door body frame, the left sealing wall and the right sealing wall are oppositely arranged on the left side and the right side of the door body frame, the top sealing plate is arranged on the top of the door body frame, the driving device and the control unit are arranged above the top sealing plate, and the dustproof plate is further arranged above the driving device and the control unit.
Furthermore, the outer door and the inner door are side-hung glass doors, and the left sealing wall and the right sealing wall are tempered glass, hollow glass, laminated glass or vacuum glass.
Furthermore, the external infrared motion sensor is installed on the door body frame and located on the outer side of the outer door, the outer door infrared counting sensor is installed in the outer door, when the number of people entering and counting the number of people exceeding the set single pass is larger than the number of people entering and counting the single pass, the outer door infrared counting sensor sends a signal to the control unit, the inner door infrared counting sensor is installed in the inner door, the outer door active infrared sensor is installed on the top sealing plate and located on the inner side of the outer door, the number of the outer door active infrared sensors is at least three, the inner door active infrared sensor is installed on the top sealing plate and located on the inner side of the inner door, and the number of the inner door active infrared sensors is at least three.
Furthermore, the internal infrared grating sensor is arranged on the left side sealing wall or the right side sealing wall and is positioned in the one-way backflow-preventing channel, the distance between the internal infrared grating sensor and the bottom of the one-way backflow-preventing channel is at least 20mm, and the minimum point distance of the internal infrared grating sensor is 20mm.
Furthermore, one-way anti-backflow channel system still includes outer door identification device and interior door identification device, outer door identification device sets up the outside and/or the inboard of outer door, interior door identification device sets up the outside and/or the inboard of interior door, outer door identification device with interior door identification device chooses for use at least one of punching the card, password, fingerprint, face identification and wireless visual talkback.
Further, the one-way backflow-preventing channel system further comprises an alarm device with acousto-optic and voice prompt functions, a lighting lamp, a video monitoring camera, a pedestrian recourse button and/or an uninterruptible power supply, wherein the alarm device is selected from at least one of a field indicator lamp, a buzzer, a voice controller and a remote monitoring touch screen, and the lighting lamp is controlled by at least one of a local function panel switch, a timer, a light sensor, an infrared sensor and a remote monitoring touch screen.
The invention also provides a control method of the one-way backflow preventing channel system, which comprises the following steps:
step 100: setting the one-way backflow preventing channel system to be in an initial state, enabling the outer door and the inner door to be in a closed state, when a passer enters an outer door detection area, detecting the passer by the external infrared action sensor and sending a signal to the control unit, controlling the driving device to open the outer door by the control unit, enabling the passer to enter the one-way backflow preventing channel through the outer door, and enabling the inner door to be in the closed state;
step 101: the outer door infrared counting sensor counts the entrance of the passers entering the one-way backflow-preventing channel through the outer door, and when the entrance count exceeds the set number of single passers, the outer door infrared counting sensor sends a signal to the control unit, the control unit controls the driving device to close the outer door, and the inner door is in a closed state;
step 102: when the outer door is completely closed, the control unit controls the driving device to open the inner door, and a passerby in the one-way backflow-preventing channel leaves the one-way backflow-preventing channel through the inner door;
step 103: the inner door infrared counting sensor counts the leaving of the passerby who leaves the one-way backflow-preventing channel through the inner door, when the leaving count is equal to the entering count, the inner door infrared counting sensor sends a signal to the control unit, and the control unit controls the driving device to close the inner door.
Further, the control method further comprises a timing entering step and/or a timing leaving step;
the timing entering step: after the control unit controls the driving device to open the outer door in step 100, if a passer does not enter the one-way backflow preventing channel within a set time, the control unit controls the driving device to close the outer door;
the timing leaving step: in step 102, if the passer-by does not leave the one-way backflow prevention passage from the inner door within the set time, the outer door is not opened any more, and only after the passer-by leaves the one-way backflow prevention passage, the control unit can control the driving device to open the outer door.
Further, the control method also comprises a backflow prevention step, when the outer door is in a closed state, a passer-by cannot leave the one-way backflow prevention channel through the outer door; and/or when the inner door is in a closed state, a passerby cannot enter the one-way backflow preventing channel through the inner door.
According to the one-way backflow-preventing channel system and the control method thereof, the outer door and the inner door which are interlocked are combined with various sensors, so that one-way backflow-preventing passing with high security performance can be realized, a passer can be prevented from entering in the opposite direction, the problem of personnel flow limitation in a specific place can be solved, and the security requirement of an environment without an internal worker to watch is met; and the mutual cooperation of various sensors is utilized to realize the functions of single-pass people number limitation, total-pass people number recording, reverse intrusion identification and the like, and the functions of preventing article leaving, preventing reverse article transmission, preventing door opening and closing collision, monitoring remote equipment, warning prompt, multiple anti-pinch protection and the like are also realized.
Description of the drawings:
FIG. 1 is a schematic left side axial view of a one-way anti-backflow channel system according to the present invention;
FIG. 2 is a right side schematic view of the anti-backflow passage system of the present invention;
FIG. 3 is a schematic top view of the one-way anti-backflow channel system according to the present invention;
FIG. 4 is a schematic side view of a one-way backflow prevention passageway system according to the present invention;
FIG. 5 is a schematic side view of the one-way anti-backflow passage system of the present invention with an identification device installed thereon;
fig. 6 is a schematic flow chart of a control method of the one-way backflow prevention channel system according to the present invention.
The specific implementation mode is as follows:
the invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, the unidirectional backflow prevention channel system according to the present invention includes a door frame 1, an outer door 2, an inner door 3, a left sealing wall 4, a right sealing wall 5, a top sealing plate 6, a driving device 7, a control unit 8, an external infrared motion sensor 9, an outer door active infrared sensor 10, an inner door active infrared sensor 11, an outer door infrared counting sensor 12, an inner door infrared counting sensor 13 and an internal infrared grating sensor 14, wherein the outer door 2, the inner door 3, the left sealing wall 4, the right sealing wall 5 and the top sealing plate 6 are installed in the door frame 1 and enclose a closed unidirectional backflow prevention channel, the outer door 2 and the inner door 3 are configured to open or close the unidirectional backflow prevention channel, the driving device 7 is configured to drive the outer door 2 and the inner door 3 to open or close, the control unit 8 is configured to collect an external infrared motion sensor 9, an outer door active infrared sensor 10, an inner door active infrared sensor 11, an outer door infrared counting sensor 12, an inner door infrared counting sensor 13 and an internal infrared grating sensor 14 to form an interlocking control signal with the outer door 2 and the inner grating sensor 14; the interlocked outer door 2 and inner door 3 cannot be opened at the same time, and only when one of the outer door 2 and inner door 3 is ensured to be in a closed state, the other can be opened; the method specifically comprises the following steps: only ensure can open when outer door 2 closes interior door 3, and only ensure can open when interior door 3 closes outer door 2 makes outer door 2 with interior door 3 forms the interlocking each other to realize that the one-way anti-reflux of high security protection performance is current, can solve the personnel of specific place and flow the limited problem, satisfied the security protection demand that need not inside staff's on duty environment.
The outer door 2 and the inner door 3 are relatively installed on the front side and the rear side of the door frame 1, the left sealing wall 4 and the right sealing wall 5 are relatively installed on the left side and the right side of the door frame 1, the top sealing plate 6 is installed on the top of the door frame 1, the driving device 7 and the control unit 8 are installed above the top sealing plate 6, a dust-proof plate 17 is further installed above the driving device 7 and the control unit 8, and the dust-proof plate 17 is used for protecting the driving device 7 and the control unit 8.
The outer door 2 and the inner door 3 are preferably side-hung glass doors, the left sealing wall 4 and the right sealing wall 5 are preferably toughened glass, hollow glass, laminated glass or vacuum glass, and the external synchronous monitoring function can be provided while the safety protection is guaranteed.
Wherein, outside infrared motion sensor 9 is installed door body frame 1 is last and is located the outside of outer door 2, outside infrared motion sensor 9 is used for detecting whether passerby gets into the outer door detection zone that is located the outer door 2 outside, when passerby gets into the outer door detection zone time, outside infrared motion sensor 9 detects passerby and sends signal for control unit 8, control unit 8 control drive arrangement 7 is opened outer door 2, passerby passes through outer door 2 gets into one-way backflow channel is prevented, this moment inner door 3 is in the closed condition.
Wherein, outer door infrared count sensor 12 is installed in outer door 2, outer door infrared count sensor 12 is used for to passing through outer door 2 gets into the one-way passerby person who prevents the backward flow passageway gets into the count, when getting into the count and surpassing and set for single passerby, outer door infrared count sensor 12 send a signal for the control unit 8, the control unit 8 control drive arrangement 7 closes outer door 2, this moment inner door 3 is in the closed condition. The infrared counting sensor 12 of the outer door can select an infrared correlation sensor, and can realize the functions of single-pass people limitation, total-pass people recording, reverse intrusion identification and the like.
Wherein, outer door initiative infrared sensor 10 is installed on the top closing plate 6 and be located outer door 2's inboard, outer door initiative infrared sensor 10's quantity is three at least, outer door initiative infrared sensor 10 sets up directly over the outer door motion region of one-way anti-backflow passageway, outer door initiative infrared sensor 10 is used for detecting and passes through outer door 2's passerby and the position of article are in order to play the crashproof and the security performance of preventing pressing from both sides of switch door.
The inner door infrared counting sensor 13 is installed in the inner door 3, when the outer door 2 is closed, the control unit 8 controls the driving device 7 to open the inner door 3, a passer in the one-way backflow prevention passage leaves the one-way backflow prevention passage through the inner door 3, the inner door infrared counting sensor 13 is used for counting the leaving of the passer leaving the one-way backflow prevention passage through the inner door 3, when the leaving count is equal to the entering count, the inner door infrared counting sensor 13 sends a signal to the control unit 8, and the control unit 8 controls the driving device 7 to close the inner door 3. The infrared counting sensor 13 of the inner door can select an infrared correlation sensor, and can realize the functions of single passnumber limitation, total passnumber recording, reverse intrusion identification and the like.
Wherein, interior door initiative infrared sensor 11 is installed on the top closing plate 6 and be located the inboard of interior door 2, interior door initiative infrared sensor 11's quantity is three at least, interior door initiative infrared sensor 11 sets up directly over the one-way interior door motion district who prevents the backflow passageway, interior door initiative infrared sensor 11 is used for detecting and passes through the position of the passerby and article of interior door 3 is in order to play the crashproof and the security performance of preventing pressing from both sides of switch door.
Wherein, inside echelette grating sensor 14 is installed on left side sealing wall 4 or right side sealing wall 5 and is located in the one-way backflow channel of preventing, inside echelette grating sensor 14 distance the one-way backflow channel of preventing's bottom is 20mm at least, inside echelette grating sensor 14's minimum point is 20mm, inside echelette grating sensor 14 can effectively discern long, wide, the height is greater than 20mm object is in the one-way backflow channel of preventing position and passerby's position, inside echelette grating sensor 14 can realize function such as passing logic control, judgement article are left over, switch door anticollision prevent pressing from both sides and illegal destruction break into, especially prevent that anti-current direction transmission article from getting into security protection region. When the internal infrared grating sensor 14 detects that articles are left in the one-way backflow-preventing channel, a worker receives an alarm notification to process the articles, and meanwhile, the reverse article transmission of passers can be prevented. When the outer door 2 is closed, the outer door infrared counting sensor 12, the outer door active infrared sensor 10 and the inner infrared grating sensor 14 are jointly arranged in an outer door motion area of the one-way backflow-preventing channel to form multiple anti-pinch protection. In the closing process of the inner door 3, the inner door infrared counting sensor 13, the inner door active infrared sensor 11 and the inner infrared grating sensor 14 are jointly arranged in the inner door moving area of the one-way anti-backflow channel to form multiple anti-pinch protection.
As shown in fig. 5, the one-way backflow prevention channel system further includes an outer door identification device 15 and an inner door identification device 16, the outer door identification device 15 is disposed on the outer side and/or the inner side of the outer door 2, the inner door identification device 16 is disposed on the outer side and/or the inner side of the inner door 3, and the outer door identification device 15 and the inner door identification device 16 select at least one of card swiping, password, fingerprint, face recognition and wireless visual intercom. The passerby passes through outer door identification device 15's discernment and authorized after, outer door 2 is opened, and passerby gets into one-way backflow channel is prevented outer door 2 is closed the back, and passerby is in near of interior door 3 passes through interior door identification device 16's secondary discernment only can be opened after twice discernment is same people interior door 3 has ensured that no unauthorized person passes through the mode of trailing one-way backflow channel is prevented, is applicable to the occasion of the high security protection level that needs to passerby identification and authorization.
In order to realize alarm prompt for crowding, leaving articles, reversely intruding, illegally breaking, intruding, equipment power failure, seeking help for pedestrians and the like, guide the pedestrians to correctly use the equipment and prompt workers to eliminate abnormal situations on site, the one-way backflow preventing channel system further comprises an alarm device (not shown) with acousto-optic and voice prompt functions, wherein the alarm device is selected from at least one of an on-site indicator light, a buzzer, a voice controller and a remote monitoring touch screen. The alarm device also has an illegal intrusion alarm function, when illegal personnel forcibly enter the unidirectional backflow prevention channel system in a reverse direction in a closed state or in normal use through door prying, door smashing, door cutting and other modes, the alarm device is triggered to give an alarm, and meanwhile, the alarm device can also be linked with a security system of a client to give an alarm prompt.
In order to facilitate the passers-by to pass through the one-way backflow prevention channel at night or in the time period of dark light, the one-way backflow prevention channel system further comprises a lighting lamp (not shown), the lighting lamp is installed on the top sealing plate 6, and the lighting lamp is controlled through at least one of a local function panel switch, a timer, a light sensor, an infrared sensor and a remote monitoring touch screen.
In order to process abnormal conditions occurring in the unidirectional anti-backflow passage, the unidirectional anti-backflow passage system further comprises a video monitoring camera and/or a pedestrian call-for-help button (not shown), the video monitoring camera and the pedestrian call-for-help button are arranged in the unidirectional anti-backflow passage, when a passer encounters an emergency abnormal condition in the unidirectional anti-backflow passage, the passer can prompt a background worker through the pedestrian call-for-help button, the background worker can know field conditions and communicate the call-for-help worker through the video monitoring camera, and if necessary, the nearby worker is informed to the field to process the abnormal conditions.
In order to ensure the continuous uninterrupted normal operation of the one-way backflow-preventing channel system, the one-way backflow-preventing channel system also comprises an Uninterruptible Power Supply (UPS), when the mains supply is abnormally powered off, the one-way backflow-preventing channel system is automatically switched to the UPS for supplying power, and when the mains supply is recovered, the one-way backflow-preventing channel system is automatically switched back to the mains supply for supplying power and simultaneously charges the UPS.
According to the one-way backflow-preventing channel system, the outer door and the inner door which are interlocked are combined with various sensors, so that one-way backflow-preventing passing with high security performance can be realized, a passer can be prevented from entering in the opposite direction, the problem of personnel flow limitation in a specific place can be solved, and the security requirement of an environment without the need of internal staff to watch is met; and the functions of limiting the number of single passers, recording the total number of passers, identifying reverse break-in and the like are realized by utilizing the mutual cooperation of various sensors, and the functions of preventing articles from being left over, preventing reverse article transmission, preventing door opening and closing from being collided, monitoring remote equipment, warning and prompting, protecting multiple anti-pinch functions and the like are also realized.
As shown in fig. 6, the present invention further provides a control method of a one-way backflow prevention channel system, including the following steps:
step 100: the one-way backflow preventing channel system is set to be in an initial state, the outer door 2 and the inner door 3 are both in a closed state, when a passerby enters an outer door detection area, the external infrared action sensor 9 detects the passerby and sends a signal to the control unit 8, the control unit 8 controls the driving device 7 to open the outer door 2, the passerby enters the one-way backflow preventing channel through the outer door 2, and at the moment, the inner door 3 is in a closed state;
the outer door detection area is positioned outside the one-way backflow preventing channel and close to the outer door 2, the detection area of the external infrared motion sensor 9 at least covers the outer door detection area, and a passer-by person needs to enter the one-way backflow preventing channel through the outer door detection area and the outer door 2 in sequence;
in the process that a passer-by enters the one-way backflow preventing channel, the outer door active infrared sensor 10 detects the positions of the passer-by and articles passing through the outer door 2 so as to achieve the safety performance of door opening and closing collision prevention and clamping prevention;
the outer door active infrared sensor 10 is arranged right above an outer door movement area of the one-way anti-backflow passage, the outer door movement area is positioned inside the one-way anti-backflow passage and is close to the outer door 2, a detection area of the outer door active infrared sensor 10 at least covers the outer door movement area, and a passer-by person needs to go to the inner door 3 through the outer door 2 and the outer door movement area in sequence;
the control method of the one-way backflow-preventing channel system further comprises a timing entering step, when a passer enters an outer door detection area, the external infrared motion sensor 9 detects the passer and sends a signal to the control unit 8, the control unit 8 controls the driving device 7 to open the outer door 2, if the passer does not enter the one-way backflow-preventing channel within a set time, such as 10 seconds, 15 seconds, 20 seconds and the like, the control unit 8 controls the driving device 7 to close the outer door 2;
step 101: the outer door infrared counting sensor 12 counts the number of persons passing through the outer door 2 into the one-way backflow preventing channel, when the number of persons passing through the one-way backflow preventing channel exceeds the set number of persons passing through the one-way backflow preventing channel, the number of persons passing through the one-way backflow preventing channel can be 5 persons, 10 persons, 15 persons and the like for example, the outer door infrared counting sensor 12 sends a signal to the control unit 8, the control unit 8 controls the driving device 7 to close the outer door 2, and at the moment, the inner door 3 is in a closed state;
in the closing process of the outer door 2, the outer door infrared counting sensor 12, the outer door active infrared sensor 10 and the inner infrared grating sensor 14 are jointly arranged in an outer door motion region of the one-way backflow preventing channel to form multiple anti-pinch protection;
step 102: when the outer door 2 is completely closed, the control unit 8 controls the driving device 7 to open the inner door 3, and a passer in the one-way backflow preventing channel leaves the one-way backflow preventing channel through the inner door 3;
the passerby leaves the one-way backflow channel in-process of preventing, interior door initiative infrared sensor 11 detects and passes through the passerby of interior door 3 and the position of article are in order to play the switch door anticollision and the security performance of preventing pressing from both sides.
The inner door active infrared sensor 11 is arranged right above an inner door movement area of the one-way backflow preventing channel, the inner door movement area is positioned inside the one-way backflow preventing channel and close to the inner door 3, a detection area of the inner door active infrared sensor 11 at least covers the inner door movement area, and passengers need to sequentially pass through the inner door movement area and the inner door 3 to leave the one-way backflow preventing channel;
step 103: the inner door infrared counting sensor 13 counts the leaving of the passerby who leaves the one-way backflow-preventing passage through the inner door 3, when the leaving count is equal to the entering count, the inner door infrared counting sensor 13 sends a signal to the control unit 8, and the control unit 8 controls the driving device 7 to close the inner door 3;
when the inner door 3 is closed, the inner door infrared counting sensor 13, the inner door active infrared sensor 11 and the inner infrared grating sensor 14 are jointly arranged in an inner door motion area of the one-way anti-backflow channel to form multiple anti-pinch protection;
in step 2 and step 3, the internal infrared grating sensor 14 detects the positions of the passers and the articles in the one-way backflow-preventing channel, so that the functions of passing logic control, judging article leaving, door opening and closing anti-collision and anti-pinch, illegal damage and intrusion and the like are realized, and particularly, the articles are prevented from being transferred in the anti-passing direction to enter a security area.
The control method of the one-way backflow-preventing channel system further comprises a backflow-preventing step, when the outer door 2 is in a closed state, a passer-by cannot leave the one-way backflow-preventing channel through the outer door 2; and/or when the inner door 3 is in a closed state, a passerby cannot enter the one-way backflow preventing channel through the inner door 3;
the control method of the one-way backflow-preventing channel system further comprises a timing leaving step, if a passer does not leave the one-way backflow-preventing channel from the inner door 3 within a set time, wherein the set time can be 10 seconds, 15 seconds, 20 seconds and the like for example, the outer door 3 can not be opened any more, and only after the passer leaves the one-way backflow-preventing channel completely, the control unit 8 can control the driving device 7 to open the outer door 2;
the control method of the one-way backflow-preventing channel system further comprises a normally open step, when the flow of passers is particularly large or under special conditions, the control unit 8 controls the driving device 7 to open the outer door 2 and the inner door 3 at the same time, and the passing comfort is improved while the passing efficiency is improved.
The above description is provided for further details of the unidirectional backflow prevention channel system and the control method thereof, and does not limit the scope of the present invention, and various modifications and improvements made by those skilled in the art according to the technical solutions of the present invention without departing from the spirit of the present invention should be considered as falling within the protection scope of the present invention.
Claims (10)
1. The utility model provides an one-way anti-reflux channel system, includes door body frame, outer door, interior door, left side sealed wall, right side sealed wall, top closing plate, drive arrangement and the control unit, its characterized in that: the unidirectional backflow-preventing channel system further comprises an external infrared action sensor, an external door active infrared sensor, an internal door active infrared sensor, an external door infrared counting sensor, an internal door infrared counting sensor and an internal infrared grating sensor, wherein the external door, the internal door, the left sealing wall, the right sealing wall and the top sealing plate are installed in the door frame and enclose a closed unidirectional backflow-preventing channel, the external door and the internal door are used for opening or closing the unidirectional backflow-preventing channel, the driving device is used for driving the external door and the internal door to be opened or closed, and the control unit is used for collecting signals of the external infrared action sensor, the external door active infrared sensor, the internal door active infrared sensor, the external door infrared counting sensor, the internal door infrared counting sensor and the internal infrared grating sensor and controlling the external door and the internal door to form interlocking;
the external infrared motion sensor is used for detecting whether passers enter an external door detection area positioned on the outer side of an external door or not and sending signals to the control unit, the external door infrared counting sensor is used for counting the number of the passers entering the one-way backflow preventing channel through the external door, the external door active infrared sensor is used for detecting the positions of the passers and articles passing through the external door, the internal door infrared counting sensor is used for counting the number of the passers leaving the one-way backflow preventing channel through the internal door, the internal door active infrared sensor is used for detecting the positions of the passers and articles passing through the internal door, and the internal infrared grating sensor is used for detecting the positions of the passers and articles in the one-way backflow preventing channel; when the leaving count is equal to the entering count, the inner door infrared counting sensor sends a signal to the control unit, and the control unit controls the driving device to close the inner door.
2. The one-way backflow prevention channel system of claim 1, wherein: the outer door and the inner door are relatively installed on the front side and the rear side of the door body frame, the left side sealing wall and the right side sealing wall are relatively installed on the left side and the right side of the door body frame, the top sealing plate is installed on the top of the door body frame, the driving device and the control unit are installed above the top sealing plate, and the dust-proof plate is further installed above the driving device and the control unit.
3. The one-way backflow prevention channel system of claim 1, wherein: the outer door and the inner door are side-hung glass doors, and the left sealing wall and the right sealing wall are tempered glass, hollow glass, laminated glass or vacuum glass.
4. The one-way anti-backflow channel system of claim 1, wherein: the outer infrared motion sensor is installed on the door body frame and located on the outer side of the outer door, the outer door infrared counting sensor is installed in the outer door, when entering counting exceeds the number of single passing people, the outer door infrared counting sensor sends a signal to the control unit, the inner door infrared counting sensor is installed in the inner door, the outer door active infrared sensor is installed on the top sealing plate and located on the inner side of the outer door, the number of the outer door active infrared sensors is at least three, the inner door active infrared sensor is installed on the top sealing plate and located on the inner side of the inner door, and the number of the inner door active infrared sensors is at least three.
5. The one-way anti-backflow channel system of claim 1, wherein: the inner infrared grating sensor is arranged on the left side sealing wall or the right side sealing wall and is positioned in the one-way backflow-preventing channel, the distance between the inner infrared grating sensor and the bottom of the one-way backflow-preventing channel is at least 20mm, and the minimum point distance of the inner infrared grating sensor is 20mm.
6. The one-way backflow prevention channel system of claim 1, wherein: the one-way backflow preventing channel system further comprises an outer door identity recognition device and an inner door identity recognition device, the outer door identity recognition device is arranged on the outer side and/or the inner side of the outer door, the inner door identity recognition device is arranged on the outer side and/or the inner side of the inner door, and the outer door identity recognition device and the inner door identity recognition device select at least one of card swiping, passwords, fingerprints, face recognition and wireless visual intercom.
7. The one-way backflow prevention channel system of claim 1, wherein: the one-way backflow-preventing channel system further comprises an alarm device, a lighting lamp, a video monitoring camera, a pedestrian rescue button and/or an uninterruptible power supply, wherein the alarm device has acousto-optic and voice prompt functions, the alarm device is selected from at least one of a field indicator lamp, a buzzer, a voice controller and a remote monitoring touch screen, and the lighting lamp is controlled through at least one of a local function panel switch, a timer, a light sensor, an infrared sensor and a remote monitoring touch screen.
8. A control method of the one-way backflow prevention channel system according to any one of claims 1 to 7, comprising the steps of:
step 100: setting the one-way backflow preventing channel system to be in an initial state, enabling the outer door and the inner door to be in a closed state, when a passer enters an outer door detection area, detecting the passer by the external infrared action sensor and sending a signal to the control unit, controlling the driving device to open the outer door by the control unit, enabling the passer to enter the one-way backflow preventing channel through the outer door, and enabling the inner door to be in the closed state;
step 101: the outer door infrared counting sensor counts the entrance of the passers entering the one-way backflow preventing channel through the outer door, when the entrance count exceeds the set number of single passers, the outer door infrared counting sensor sends a signal to the control unit, the control unit controls the driving device to close the outer door, and at the moment, the inner door is in a closed state;
step 102: when the outer door is completely closed, the control unit controls the driving device to open the inner door, and a passerby in the one-way backflow-preventing channel leaves the one-way backflow-preventing channel through the inner door;
step 103: the inner door infrared counting sensor counts the leaving of the passerby who leaves the one-way backflow-preventing channel through the inner door, when the leaving count is equal to the entering count, the inner door infrared counting sensor sends a signal to the control unit, and the control unit controls the driving device to close the inner door.
9. The control method of the one-way backflow prevention channel system according to claim 8, characterized in that: the control method further comprises a timing entering step and/or a timing leaving step;
the timing entering step: after the control unit controls the driving device to open the outer door in step 100, if a passer does not enter the one-way backflow preventing channel within a set time, the control unit controls the driving device to close the outer door;
the timing leaving step: in step 102, if the passer does not leave the one-way backflow preventing passage from the inner door within the set time, the outer door is not opened any more, and the control unit can control the driving device to open the outer door only after the passer leaves the one-way backflow preventing passage completely.
10. The control method of a one-way backflow prevention channel system according to claim 8, characterized in that: the control method further comprises a backflow prevention step, when the outer door is in a closed state, a passer-by cannot leave the one-way backflow prevention channel through the outer door; and/or when the inner door is in a closed state, a passerby cannot enter the one-way backflow preventing channel through the inner door.
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