CN208271284U - A kind of access control system - Google Patents

Abstract

The utility model discloses a kind of access control systems, belong to gate inhibition field；Solve the problems, such as that entrance guard forgets to close retractable door when leaving entrance guard room, its key points of the technical solution are that including detection the distance between remote controler and retractable door to export apart from detection signal apart from detection circuit, whether close and export the detection circuit of detectable signal for detecting the retractable door and be coupled to the alert circuit apart from detection circuit and the detection circuit and in response to distance detection signal and detectable signal to be reminded, when the detection circuit detect the retractable door open and the distance detected apart from detection circuit be greater than it is default apart from when, the alert circuit starting.The access control system of the utility model can remind entrance guard to close retractable door when leaving entrance guard room, and remote controler can also issue light when use in dark environment.

Description

A kind of access control system

Technical field

The utility model relates to gate inhibition, in particular to a kind of access control system.

Background technique

Gate inhibition is the important means that control is carried out to exit and entrance, it is developed on the basis of traditional door lock , most common in public arenas such as industrial and mining enterprises, universities and colleges of organ, public place of entertainment, hotels at present is exactly retractable door.

Retractable door is exactly that door body can stretch and move freely, controls a kind of door of interception and the clearance of pedestrian or vehicle.It stretches Mainly by door body, driving motor, slideway, control system are constituted contracting door.

Entrance guard room is generally fitted provided with beside retractable door, entrance guard passes through the opening and closing of remote control control retractable door.So And the entrance guard of some carelessnesses can forget to close retractable door when leaving entrance guard room, may generate some unsafe factors, institute There is certain room for improvement with existing retractable door.

Utility model content

The purpose of the utility model is to provide a kind of access control systems, can leave entrance guard room in entrance guard and forget to close retractable door When remind entrance guard close retractable door.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of access control system, including detection the distance between remote controler and retractable door with export distance detect signal away from From detection circuit, for detect the retractable door whether close and export the detection circuit of detectable signal and be coupled to it is described away from The alert circuit of signal and detectable signal to be reminded is detected from detection circuit and the detection circuit and in response to a distance from, when The detection circuit detect the retractable door open and the distance detected apart from detection circuit be greater than it is default away from From when, alert circuit starting.

Using the above scheme, the distance detection signal apart from detection circuit output is that high level and low level alternative expression are defeated Out, it when it is high level that detection circuit, which detects the distance detection signal that retractable door is not turned off and alert circuit receives, mentions Circuit of waking up issues prompt, so that entrance guard be reminded to close retractable door.

Include signal transmission circuit for emitting wireless signal apart from detection circuit and be coupled to preferably, described The signal transmission circuit and the signal receiving circuit that is used to receive apart from wireless signal and export distance detection signal.

Using the above scheme, signal transmission circuit and signal receiving circuit can be by emitting and receiving wireless signal detection To the distance between remote controler and retractable door, to enable signal receiving circuit according to receiving apart from the strong of wireless signal It is weak to determine whether output high level distance detection signal or it is low level distance detection signal.

Preferably, the detection circuit is the normally-closed contact of microswitch, the normally-closed contact of the microswitch and institute It states alert circuit electrical connection and is located at the side of the retractable door and wall opening and closing.

Using the above scheme, microswitch structure is simple and price is economical, additionally it is possible to by be electrically connected with alert circuit with Whether the current supply circuit of control alert circuit is connected, and when retractable door is in close state, the normally-closed contact of microswitch is contradicted Disconnect normally-closed contact to wall, the current supply circuit of alert circuit is not turned on, when retractable door in the open state, fine motion is opened The normally-closed contact of pass, which resets, is in closed state, this has the advantages of simple structure and easy realization.

Preferably, further including the noctilucence circuit that can carry out lamplight pointing to button when under dark surrounds.

Using the above scheme, be easier in dark environment since the button on remote controler is more, when night by Wrong button, and can effectively solve the problem that above situation by the way that noctilucence circuit is arranged on a remote control.

Preferably, the noctilucence circuit includes for detecting ambient lighting intensity with the illumination of output illumination detection signal Detection circuit is preset with illumination benchmark value signal and is coupled to the lighting detecting circuit and by illumination benchmark value signal and illumination Detection signal be compared with the voltage comparator circuit of output voltage comparison signal and be coupled to the voltage comparator circuit and It is controlled by voltage comparison signal to issue the illuminating circuit of light, when illumination detection signal is greater than illumination benchmark value signal, institute State noctilucence circuit start.

Using the above scheme, when being in dark surrounds at night, illumination detection signal will be greater than illumination benchmark value signal, Make the voltage comparison signal of voltage comparator circuit output high level to illuminating circuit, illuminating circuit receives the power generation pressure of high level Comparison signal starts to shine, this structure is simple, easy to use.

Preferably, sliding is connected with the slip lid for blocking the button on the remote controler on the remote controler.

Using the above scheme, slip lid can not need using when button on remote controler is effectively protected, reduce button The case where damage.

Preferably, the remote control face offers T-slot along the vertical direction, sliding is connected with cunning in the T-slot Block, the inner wall integrally connected of the one end of the sliding block far from the T-slot and the slip lid, the sliding block and the T-slot bottom The arc-shaped setting in side of wall contact, two ends of the T-slot are also provided with vertical with the T-slot and accommodate the cunning The first holding tank and the second holding tank of block, when opening the slip lid, the sliding block is moved to described from first holding tank In second holding tank.

Using the above scheme, by setting sliding block and T-slot, slip lid can be made to move on a remote control, and do not pass through First holding tank and the second holding tank are set, the position of sliding block on a remote control can be limited, sliding block is contacted with T-slot bottom wall Side be set as arc, sliding block can be made to facilitate disengaging the first holding tank and the second holding tank.

Preferably, the noctilucence circuit further includes that whether the slip lid is opened and output displacement detects signal for detecting Displacement detector and be respectively coupled to the voltage comparator circuit and institute's displacement sensing device and in response to voltage ratio Compared with signal and displacement detection signal with the logic gates of output logic gate signal, when slip lid opening and illumination detects signal When less than illumination benchmark value signal, the noctilucence circuit start.

Using the above scheme, the displacement signal for being able to detect that slip lid by the way that displacement detector is arranged, when slip lid is opened When remote controler be in use state and displacement detector output high level displacement detection signal, when slip lid close when remote controler In unused state and displacement detector exports low level displacement detection signal.

Preferably, institute's displacement sensing device includes the Hall element being mounted on the remote controler and is arranged in institute It states on the inner wall of slip lid and is located at and be equipped with the magnet at the mutual corresponding position of Hall element, the remote controler for accommodating The accommodating chamber of Hall element opens the slip lid to drive the magnet far from Hall element.

Using the above scheme, low level signal can be exported when sensing magnetic field due to Hall element, so on slip lid Magnet is set, and when slip lid is not switched on, Hall element is corresponding with the position of magnet, can export low level displacement detecting at this time Signal, Hall element follows slip lid far from magnet when opening slip lid, can make the displacement detecting letter of Hall element output high level Number.The sound construction of Hall element, small in size, light-weight, the service life is long and easy for installation, is very suitable to be mounted on remote controler On.

Preferably, the logic gates is first input end and the coupling of institute's displacement sensing device with door with door To receive displacement detection signal, couple with the second input terminal of door and the voltage comparator circuit to receive voltage comparison signal, With the output end output logic gate signal of door.

Using the above scheme, at night, only when remote controler need using when noctilucence circuit just start, so by setting It sets and door, only when displacement detection signal is high level and illumination detects when signal is greater than illumination benchmark value signal noctilucence circuit Starting.

In conclusion the utility model has the following beneficial effects:

Entrance guard can be reminded to close retractable door when leaving entrance guard room, and remote controler can also make in dark environment Used time issues light.

Detailed description of the invention

Fig. 1 is that the retractable door of access control system is remotely controlled schematic diagram；

Fig. 2 is the circuit diagram of prompting function in access control system；

Fig. 3 is the circuit diagram of noctilucence circuit；

Fig. 4 is the structural schematic diagram of slip lid and remote controler；

Fig. 5 is the circuit diagram that noctilucence circuit is opened and closed by slip lid.

In figure: 1, remote controler；2, retractable door；3, apart from detection circuit；31, signal transmission circuit；32, signal receives electricity Road；4, alert circuit；5, detection circuit；51, microswitch；6, noctilucence circuit；61, lighting detecting circuit；62, voltage is more electric Road；63, illuminating circuit；64, displacement detector；65, logic gates；7, slip lid；71, T-slot；72, sliding block；731, first Holding tank；732, the second holding tank；8, magnet；9, accommodating chamber.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Embodiment: a kind of access control system, as shown in Figure 1, it is flexible that entrance guard can be reminded to close when entrance guard leaves entrance guard room Door 2.

As shown in Fig. 2, access control system includes detection the distance between remote controler 1 and retractable door 2 to export distance detection letter Number apart from detection circuit 3, for detect retractable door 2 whether close and export detectable signal detection circuit 5 and coupling In the alert circuit apart from detection circuit 3 and detection circuit 5 and in response to distance detection signal and detectable signal to be reminded 4, when detection circuit 5 detect retractable door 2 open and apart from the distance that detection circuit 3 detects be greater than it is default apart from when, Alert circuit 4 starts.

Include signal transmission circuit 31 for emitting wireless signal apart from detection circuit 3 and is coupled to signal transmitting electricity Road 31 and the signal receiving circuit 32 that is used to receive apart from wireless signal and export distance detection signal.

In the present embodiment, signal transmission circuit 31 is that the RCM-1A type ultra-short wave radio that is mounted on remote controler 1 is distant Control modules A 1, the first pin of RCM-1A type ultra-short wave radio remote control module A1 and second pin respectively with the positive and negative anodes of power supply Coupling；Signal receiving circuit 32 is RCM-1B type ultrashort wave wireless remote control module A2, the RCM-1B type being mounted in retractable door 2 The third pin of ultrashort wave wireless remote control module A2 accesses VCC power supply, and the 4th pin is grounded, and the first pin is defeated as output end Distance detection signal, second pin are grounded after being serially connected with delay capacitor C1 out, and delay capacitor C1 can slow down RCM-1B type The change of ultrashort wave wireless remote control module A2 state, to enhance the anti-interference energy of RCM-1B type ultrashort wave wireless remote control module A2 Power.

RCM-1A type ultra-short wave radio remote control module A1 emits hyperfrequency modulated electromagnetic wave, by RCM- in effective range 1B type ultrashort wave wireless remote control module A2 is received, and exports the first pin of RCM-1B type ultrashort wave wireless remote control module A2 low The distance of level state detects signal, which can be divided into I type (10~15m), II type (20~30m) and III type 3 kinds of (35~45m), as RCM-1B type ultrashort wave wireless remote control module A2 and RCM-1A type ultra-short wave radio remote control module A1 Distance exceed effective range when, the distance that RCM-1B type ultrashort wave wireless remote control module A2 does not receive sufficient intensity is wireless Signal, so that the distance of the first pin output high level state of RCM-1B type ultrashort wave wireless remote control module A2 detects signal.

As shown in Figures 1 and 2, in the present embodiment, detection circuit 5 is to be electrically connected with alert circuit 4 and be located at retractable door 2 With the normally-closed contact SQ1 of the microswitch 51 of the side of wall opening and closing, when retractable door 2 is in close state, microswitch 51 Normally-closed contact SQ1 contradict to wall and disconnect normally-closed contact SQ1, the current supply circuit of alert circuit 4 is not turned on, and works as retractable door 2 in the open state, and the normally-closed contact SQ1 of microswitch 51, which resets, is in closed state, if at this moment examining apart from detection circuit 3 The distance measured be greater than it is default apart from when, alert circuit 4 start.

Alert circuit 4 includes NPN type triode Q1 and buzzer HA.The base stage of NPN triode Q1 is coupled to RCM-1B type The first pin of ultrashort wave wireless remote control module A2 to receive distance detection signal, open by collector and the fine motion of NPN triode Q1 The normally-closed contact SQ1 of pass 51 is coupled to the anode of VCC power supply after being serially connected, emitter is serially connected with buzzer HA and is followed by Ground.

Specific work process is as follows:

When entrance guard, which leaves entrance guard room, has but forgotten closing retractable door 2, the RCM-1A type being mounted on remote controler 1 at this time is ultrashort The hypertelorism of wave remote control module A1 and the RCM-1B type ultrashort wave wireless remote control module A2 being mounted in retractable door 2, So that RCM-1B type ultrashort wave wireless remote control module A2 receive it is weaker apart from wireless signal or even not receive distance wireless The distance of signal, the first pin output high level of RCM-1B type ultrashort wave wireless remote control module A2 detects signal to tri- pole NPN NPN triode Q1 is connected in pipe Q1, to connect the current supply circuit of buzzer HA, buzzer HA, which is issued, reminds sound to remind entrance guard Close retractable door 2.

After entrance guard closes retractable door 2, so that the normally-closed contact SQ1 for the microswitch 51 being mounted in retractable door 2 is disconnected, The current supply circuit of the normally-closed contact SQ1 cutting buzzer HA of microswitch 51, powers off buzzer HA, buzzer HA stops issuing Remind sound.

Since the button on remote controler 1 is more, night is in the environment of dark and is easy to push the wrong button, in order to avoid above-mentioned Situation is being additionally provided with the noctilucence circuit 6 that can carry out lamplight pointing to button when under dark surrounds on remote controler 1.

As shown in figure 3, noctilucence circuit 6 includes for detecting ambient lighting intensity with the illumination inspection of output illumination detection signal Slowdown monitoring circuit 61 is preset with illumination benchmark value signal and is coupled to lighting detecting circuit 61 and examines illumination benchmark value signal and illumination Survey signal be compared the voltage comparator circuit 62 with output voltage comparison signal and be coupled to voltage comparator circuit 62 and by The illuminating circuit 63 that light is issued in voltage comparison signal is controlled, when illumination detection signal is greater than illumination benchmark value signal, night Optical circuit 6 starts.

Lighting detecting circuit 61 is photo resistance RL and divider resistance R1, the one end photo resistance RL ground connection and the other end and divides Piezoresistance R1 accesses VCC power supply after being serially connected, the connecting node output illumination detection of photo resistance RL and divider resistance R1 are believed Number.

Voltage comparator circuit 62 includes voltage comparator A3 and is serially connected and connecting node is coupled to voltage comparator A3 Reversed access port with a reference value resistance R3 of output illumination benchmark value signal and a reference value resistance R4, voltage comparator A3's is same Phase input terminal is coupled to the connecting node of photo resistance RL Yu divider resistance R1, and output end is coupled to illuminating circuit 63 and output electricity Press comparison signal.

Illuminating circuit 63 includes NPN triode Q2, LED light EL and switch SA1, and the base stage of NPN triode Q2 is coupled to electricity It presses the output end of comparator A3 and is controlled by voltage comparison signal, the collector switch SA1 of NPN triode Q2 is serially connected rear coupling It is connected to VCC power supply, emitter is grounded after being serially connected with LED light EL.

Specific work process is as follows:

When light is gradually dimmed, the resistance value of photo resistance RL increases, so that illumination detection signal is greater than illumination base Quasi- value signal, make voltage comparator A3 output end export high level voltage comparison signal to NPN triode Q2 base stage, The base stage of NPN triode Q2 is connected after receiving the voltage comparison signal of high level, and LED light EL shines.

If not needing that remote controler 1 is made to shine, switch SA1 can be turned off, the current supply circuit of LED light EL is cut off.

As shown in figure 4, sliding and being connected with for hiding on remote controler 1 in order to which the button on protection remote control device 1 is not damaged The slip lid 7 for keeping off the button on remote controler 1, offers T-slot 71 on 1 surface of remote controler along the vertical direction, slides in T-slot 71 It is connected with sliding block 72, the inner wall integrally connected of the one end of sliding block 72 far from T-slot 71 and slip lid 7, sliding block 72 and 71 bottom wall of T-slot The arc-shaped setting in the side of contact is also provided with vertical with T-slot 71 and accommodating sliding block 72 the in two ends of T-slot 71 One holding tank 731 and the second holding tank 732, when opening slip lid 7, sliding block 72 is moved to the second receiving from the first holding tank 731 In slot 732.

Slip lid 7 is opened in dark environment at this time can just be opened using 1 noctilucence circuit 6 of remote controler.

As shown in figure 5, noctilucence circuit 6 further includes the position for whether opening simultaneously output displacement detection signal for detecting slip lid 7 It moves detection device 64 and is respectively coupled to voltage comparator circuit 62 with displacement detector 64 and in response to voltage comparison signal With displacement detection signal with the logic gates 65 of output logic gate signal.

Displacement detector 64 include the Hall element that is mounted on remote controler 1 and be arranged on the inner wall of slip lid 7 and Positioned at the magnet 8 at the mutual corresponding position of Hall element, remote controler 1 is equipped with accommodating chamber 9 for accommodating Hall element, Slip lid 7 is opened with drive magnet 8 far from Hall element.

Low level signal can be exported when sensing magnetic field due to Hall element, when slip lid 7 is not switched on Hall element with The position of magnet 8 corresponds to each other so that Hall element exports low level displacement detection signal, and Hall element is remote when opening slip lid 7 From 8 meeting of magnet so that the displacement detection signal of Hall element output high level.

Logic gates 65 be with door, couple with the first pin of door and Hall element to receive displacement detection signal, with The second pin of door and the output end of voltage comparator A3 are coupled to receive voltage comparison signal, and third pin is coupled to NPN tri- The base stage of pole pipe Q2 is with output logic gate signal.

Specific work process is as follows:

When using remote controler 1 in a dark environment, opens slip lid 7 and make Hall element far from magnet 8, Hall is first at this time Part exports the displacement detection signal of high level to the first pin with door, when displacement detection signal is high level and illumination detection letter When number being less than illumination benchmark value signal, make LED light with logic gate signal to the NPN triode of the third pin of door output high level The current supply circuit of EL is connected, so that LED light EL shines.

Claims (10)

1. a kind of access control system, it is characterized in that: including detection the distance between remote controler (1) and retractable door (2) to export distance The detection electricity of detection signal whether closed apart from detection circuit (3), for detecting the retractable door (2) and export detectable signal It road (5) and is coupled to described apart from detection circuit (3) and the detection circuit (5) and in response to distance detection signal and detection Alert circuit (4) of the signal to be reminded, when the detection circuit (5) detect the retractable door (2) open and it is described away from From detection circuit (3) detect with a distance from be greater than it is default apart from when, the alert circuit (4) starting.

2. a kind of access control system according to claim 1, it is characterized in that: it is described apart from detection circuit (3) include for sending out It penetrates the signal transmission circuit (31) of wireless signal and is coupled to the signal transmission circuit (31) and for reception apart from wireless Signal and the signal receiving circuit (32) for exporting distance detection signal.

3. a kind of access control system according to claim 1, it is characterized in that: the detection circuit (5) is microswitch (51) Normally-closed contact, the normally-closed contact of the microswitch (51) is electrically connected with the alert circuit (4) and is located at the retractable door (2) side being opened and closed with wall.

4. a kind of access control system according to claim 1, it is characterized in that: further including can be right when under dark surrounds The noctilucence circuit (6) of button progress lamplight pointing.

5. a kind of access control system according to claim 4, it is characterized in that: the noctilucence circuit (6) includes for detecting week It encloses intensity of illumination and detects the lighting detecting circuit (61) of signal with output illumination, is preset with illumination benchmark value signal and is coupled to institute It states lighting detecting circuit (61) and is compared illumination benchmark value signal with output voltage comparison signal with illumination detection signal Voltage comparator circuit (62) and be coupled to the voltage comparator circuit (62) and be controlled by voltage comparison signal to issue lamp The illuminating circuit (63) of light, when illumination detection signal is greater than illumination benchmark value signal, noctilucence circuit (6) starting.

6. a kind of access control system according to claim 5 is used for it is characterized in that: sliding to be connected on the remote controler (1) Block the slip lid (7) of the button on the remote controler (1).

7. a kind of access control system according to claim 6, it is characterized in that: the remote controler (1) surface is opened along the vertical direction Equipped with T-slot (71), sliding is connected with sliding block (72) in the T-slot (71), and the sliding block (72) is far from the T-slot (71) One end and the slip lid (7) inner wall integrally connected, the side that the sliding block (72) contacts with the T-slot (71) bottom wall is in Arc setting, two ends of the T-slot (71) are also provided with vertical with the T-slot (71) and accommodate the sliding block (72) The first holding tank (731) and the second holding tank (732), when opening the slip lid (7), the sliding block (72) from it is described first hold Slot (731) of receiving is moved in second holding tank (732).

8. a kind of access control system according to claim 6, it is characterized in that: the noctilucence circuit (6) further includes for detecting Whether the slip lid (7) opens and output displacement detects the displacement detector (64) of signal and is respectively coupled to the voltage Comparison circuit (62) is patrolled with institute's displacement sensing device (64) and in response to voltage comparison signal and displacement detection signal with exporting The logic gates (65) for collecting gate signal, when the slip lid (7) are opened and illumination detection signal is less than illumination benchmark value signal, Noctilucence circuit (6) starting.

9. a kind of access control system according to claim 8, it is characterized in that: institute's displacement sensing device (64) includes being mounted on Hall element and setting on the remote controler (1) is on the inner wall of the slip lid (7) and positioned at mutually right with Hall element Magnet (8) at the position answered, the remote controler (1) are equipped with the accommodating chamber (9) for accommodating Hall element, open the cunning Lid (7) is to drive the magnet (8) far from Hall element.

10. a kind of access control system according to claim 8, it is characterized in that: the logic gates (65) be with door, with door First input end and institute's displacement sensing device (64) couple the second input terminal and institute to receive displacement detection signal, with door State output end output logic gate signal of voltage comparator circuit (62) coupling to receive voltage comparison signal, with door.