CN219349547U

CN219349547U - Entrance guard device for disinfection detection

Info

Publication number: CN219349547U
Application number: CN202320404693.5U
Authority: CN
Inventors: 吴深坚
Original assignee: Dearwater Mineral Water Co ltd
Current assignee: Dearwater Mineral Water Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-07-14
Anticipated expiration: 2033-03-06

Abstract

The utility model belongs to the technical field of access control devices, and particularly relates to an access control device for disinfection detection. Comprising the following steps: the door control device comprises an door control main body, wherein the surface of the door control main body is provided with a convex seat; the detection module is arranged in the access control main body, and the detection end of the detection module extends into the boss so as to detect the disinfection result of the hand; the control module is arranged in the entrance guard main body and is connected with the detection module; the pilot lamp is arranged in the entrance guard main body, and the pilot lamp is connected with the control module. The utility model has simple structure and convenient installation, can be arranged on one side of the air shower door, and can realize the disinfection and detection of the hands of the personnel entering the air shower through lower cost, thereby ensuring that the personnel entering the air shower can complete the hand disinfection work.

Description

Entrance guard device for disinfection detection

Technical Field

The utility model belongs to the technical field of access control devices, and particularly relates to an access control device for disinfection detection.

Background

Under the requirements of production quality management regulations, the food processing industry has strict control requirements on environmental suspended particles and microorganisms in production places and experimental places. For example, mineral water production must be realized by relying on a dust-free workshop, and not only the suspended dust in the air but also the number of living microorganisms must be controlled, so that a stable and reliable disinfection procedure is an important link for ensuring the production quality. At present, in order to prevent external personnel from bringing pollutants into a clean area, most enterprises adopt a method of arranging a wind shower between the clean area and a non-clean area to remove dust on the surfaces of the personnel so as to achieve the aim of purification. In addition, before entering the air shower, personnel also need to clean and disinfect hands according to the cleaning and disinfecting standard.

However, the existing gate inhibition system of the air shower for detecting the hand disinfection result of the personnel is lacking, the personnel entering the air shower cannot be guaranteed to finish the hand disinfection work, and when the personnel cleans hands but does not disinfect the hands, the personnel can still enter the air shower, so that the risk of bringing external bacteria microorganisms into a dust-free workshop exists, and the gate inhibition system has certain food safety hidden trouble.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the access control device for the disinfection detection, so as to solve the problem that the access control device of the air shower which is lack of detection of the hand disinfection result of the personnel in the prior art cannot ensure that the personnel entering the air shower has completed the hand disinfection work.

One aspect of the present utility model provides an access control device for disinfection detection, including:

the door control device comprises an door control main body, wherein the surface of the door control main body is provided with a convex seat;

the detection module is arranged in the entrance guard main body, and the detection end of the detection module extends into the boss so as to detect the alcohol content of the contact part;

the control module is arranged in the access control main body and is electrically connected with the detection module;

the pilot lamp is arranged in the entrance guard main body, and the pilot lamp is electrically connected with the control module.

In one preferable aspect of the utility model, the entrance guard main body includes:

a case body;

the box cover is detachably fixed on the box body, and the convex seat is arranged on the surface of the box cover;

a first accommodating cavity and a second accommodating cavity are formed in the box body through a partition plate; the control module is arranged in the first accommodating cavity, and the detection module is arranged in the second accommodating cavity.

In one preferred embodiment of the utility model, the boss is cylindrical, the end face of the boss has an opening in the axial direction, and the opening extends into the door control body.

In one preferable aspect of the utility model, the access control device further includes:

the protection block is arranged on the end face of the convex seat so as to protect the detection end of the detection module.

In one preferable mode of the utility model, the contact surface of the protection block is a smooth surface so as to prevent liquid from remaining on the surface of the protection block.

In one preferable scheme of the utility model, the detection module is an alcohol sensor for detecting the alcohol concentration in the air near the hand;

the detection module is provided with an anode wiring terminal, a cathode wiring terminal and a switching value output wiring terminal, and the anode wiring terminal and the cathode wiring terminal are connected with a power supply to realize the electrifying of the detection module; the switching value output terminal is connected with the control module to output an action signal.

In one preferable scheme of the utility model, the access control device further comprises an intermediate relay, wherein the input end of the intermediate relay is connected with the control module, and the output end of the intermediate relay is connected with the door opening device so as to realize the connection between the control module and the door opening device.

In one preferable scheme of the utility model, the access control device is connected with a direct current power supply through a power supply line, and the voltage of the direct current power supply is 5V.

In one preferable aspect of the present utility model, the control module includes:

the delay component is electrically connected with the detection module;

and the collector electrode of the triode is electrically connected with the direct-current power supply, the base electrode of the triode is electrically connected with the delay component, and the emitter electrode of the triode is electrically connected with the intermediate relay.

In one preferred embodiment of the present utility model, the indicator lamp includes:

the first indicator lamp is connected with a power supply line of the access control device to display the power-on state of the access control device;

and the second indicator lamp is connected with the intermediate relay to display the door opening and closing state of the access control device.

The access control device for disinfection detection provided by the scheme of the utility model has the following beneficial effects:

the utility model provides an access control device for disinfection detection, which comprises an access control main body, a detection module arranged in the access control main body, and a detection end of the detection module extending into the boss so as to detect a disinfection result of a hand of a person who is about to enter a wind shower; when the detection module detects that the alcohol concentration reaches a preset condition, the control module arranged in the entrance guard main body can open the air shower door according to the detection result of the detection module.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an entrance guard device according to an embodiment of the present utility model;

FIG. 2 shows a schematic cross-sectional view in the direction A-A of FIG. 1;

FIG. 3 is a schematic view showing a structure of an access control body according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a box according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of the B-B direction of FIG. 4;

FIG. 6 shows a circuit diagram of one embodiment of the present utility model;

fig. 7 shows a circuit diagram of normally open contacts KA1-NO of the intermediate relay KA1 in fig. 6.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 and 2, one embodiment of the present utility model provides an access control device 100 for disinfection detection, including:

an entrance guard main body 110, wherein the surface of the entrance guard main body 110 is provided with a convex seat 111;

the detection module 120 is arranged in the door control main body 110, and the detection end of the detection module 120 extends into the boss 111 to detect the alcohol content of the hand so as to determine the disinfection result;

the control module 130 is arranged in the entrance guard main body 110, and the control module 130 is electrically connected with the detection module 120;

the indicator light 140 is disposed in the door control main body 110, and the indicator light 140 is electrically connected with the control module 130.

In one application scenario of the present embodiment, when the detection module 120 detects that the alcohol concentration reaches the predetermined condition, the control module 130 disposed in the door control main body 110 realizes the opening of the air shower door according to the detection result of the detection module 120.

Referring to fig. 2 and 3, in one preferred embodiment of the present utility model, the door control main body 110 includes:

a case 112;

the box cover 113 is detachably fixed on the box body 112, and the convex seat 111 is arranged on the surface of the box cover 113;

a first accommodating cavity 115 and a second accommodating cavity 116 are formed in the box body 112 through a partition 114; the control module 130 is disposed in the first accommodating cavity 115, and the detection module is disposed in the second accommodating cavity 116.

In one application scenario of the embodiment, the box body 112 and the box cover 113 are detachably fixed in a fastening manner, so that maintenance and replacement of internal parts are facilitated, and a first accommodating cavity 115 and a second accommodating cavity 116 which are mutually independent are formed in the box body 112 through a partition 114, and are mainly used for preventing water vapor from entering the first accommodating cavity 115 and avoiding wetting of the control module 130 on the premise of meeting detection requirements; the partition 114 is provided with a through hole (not shown) for connecting a power line and a signal line.

In one preferred embodiment of the present utility model, the boss 111 has a cylindrical shape, the end surface of the boss 111 has an opening in the axial direction, and the opening extends into the door guard body 110. In this embodiment, the boss 111 is provided with an opening extending into the door access main body 110, so as to semi-seal the detection module 120, and protect the detection module 120.

Referring to fig. 2, in one preferred embodiment of the present utility model, the access control device 100 further includes:

the protection block 150 is arranged on the end surface of the boss 111 to protect the detection end of the detection module 120;

wherein the protection block 150 is annular, and the radius of the inner ring of the protection block 150 is smaller than the radius of the detection end of the detection module 120; the outer ring radius of the protective block 150 is greater than the radius of the boss 111.

In one application scenario of the present embodiment, the protection block 150 is mainly used for fool-proof design, and since the detection module 120 is semi-closed and disposed in the boss 111, the protection block 150 is disposed;

specifically, through the annular arrangement of the contact surface of the protection block 150, since the radius of the inner ring of the protection block 150 is smaller than the radius of the detection end of the detection module 120, the radius of the outer ring of the protection block 150 is larger than the radius of the boss 111, after the protection block 150 is installed, the size of the end surface of the opening is reduced under the condition that the size of the contact area between the detection end of the detection module and the outside is not affected, so that the direct pressing of a fingertip to the detection end of the detection module 120 by a person in the use process is avoided, and the probability of faults of the detection end is reduced.

In one preferred embodiment of the present utility model, the contact surface of the protection block 150 is a smooth surface to prevent the liquid from remaining on the surface of the protection block 150.

In one application scenario of the present embodiment, the protection block 150 may be made of any one of a metal material, an alloy material or a ceramic material, so as to form a smooth contact surface on the surface of the protection block 150, prevent the liquid from remaining on the surface of the protection block 150, have better durability, are not easy to corrode in contact with alcohol, and have a certain aesthetic property.

In one preferred embodiment of the present utility model, the detection module 120 is an alcohol sensor to detect alcohol concentration in the air near the hand;

the detection module 120 is provided with a positive electrode terminal, a negative electrode terminal and a switching value output terminal, and the positive electrode terminal and the negative electrode terminal are connected with a power supply to realize the electrifying of the detection module 120; the switching value output terminal is connected with the control module 130 to output an action signal.

In one application scenario of the present implementation, the alcohol sensor employs an MQ3 sensor, which is a Metal Oxide Semiconductor (MOS) type sensor. Metal oxide sensors are also known as chemiresistors when exposed to alcohol because sensing is based on the change in resistance of the sensing material. Thus, by placing it in a simple voltage divider network, the alcohol concentration can be detected. The MQ3 alcohol sensor can operate at 5V dc voltage with power consumption of about 800mW.

Specifically, the alcohol remaining after the hand disinfection volatilizes into the air, and when the detection module 120 detects the alcohol concentration in the range of 25 to 500ppm, the alcohol disinfection of the hand can be considered to be realized.

In one preferred embodiment of the present utility model, the door control device 100 further includes an intermediate relay, an input end of the intermediate relay is connected to the control module 130, and an output end of the intermediate relay is connected to the door opening device, so as to connect the control module 130 to the door opening device.

The main uses of the intermediate relay are:

1. line switches (mainly contactors and circuit breakers) for controlling one or more large load currents (above 10A) through their normally open or normally closed contacts serve as a control signal transmission link between a control button or microswitch and the circuit switching element of the large load current, which is why it is called an intermediate relay;

2. the circuit or the electric equipment used for directly controlling the smaller current (below 10A or 5A) is such as lighting lamps, indicator lamps, electric bells, small-capacity electric furnaces, small-capacity motors, small fans and the like, and is equivalent to a contactor with small capacity.

In one application scenario of the embodiment of the present utility model, the intermediate relay is used for a signal transmission device between the access control device 100 and a door opening device of an air shower door, so as to control high-voltage equipment by using low-voltage equipment.

In one preferred embodiment of the present utility model, the door control device 100 is connected to a dc power supply through a power supply line, where the voltage of the dc power supply is 5V.

In one preferred embodiment of the present utility model, the control module 130 includes:

a delay component electrically connected to the detection module 120;

In one application scenario of the implementation, the delay component is used for delaying and controlling the door opening state of the access control device 100 to maintain a preset time, so that a person can conveniently have enough time to pass after opening the air shower door; and a triode, which is totally called a semiconductor triode, also called a bipolar transistor and a transistor triode, is a semiconductor device for controlling current, and has the function of amplifying a weak signal into an electric signal with a larger amplitude value.

Referring to fig. 4 and 5, in one preferred embodiment of the present utility model, the indicator light 140 includes:

the first indicator lamp 141 is connected to a power supply line of the entrance guard device to display an energized state of the entrance guard device 100;

a second indicator light 142 is connected to the intermediate relay to display the door opening/closing state of the door control device 100.

Referring to fig. 6, as one embodiment of the present utility model, the circuit principle is described as follows: the entrance guard controller is powered by direct current 5V, and a first resistor (R1) and a first indicator lamp 141 (LED 1) form an entrance guard controller power indicator lamp; the detection module is provided with 4 terminals, namely positive and negative terminals (+, -) connected with two ends of the power supply, a switching value output terminal (D0) for outputting low level 0V when the detection module detects alcohol, namely, the detection module acts, and an analog value output terminal (not shown); the RC delay circuit is composed of a potentiometer (RP), a second resistor (R2) and a first capacitor (C1), the connection point of the second resistor (R2) and the first capacitor (C1) is the output end of the RC delay circuit, and the output end is connected with the base electrode of a triode (VT 1) through a third resistor (R3). When the switching value output terminal (D0) acts, low level 0V is output, the second resistor (R2) and the first capacitor (C1) are connected with low level 0V, the triode (VT 1) is conducted, the intermediate relay (KA 1) acts, and the fourth resistor (R4) and the second indicator lamp 142 (LED 2) form an entrance guard controller door opening indicator lamp. When the switching value output terminal (D0) does not act, the positive electrode of the first capacitor (C1) slowly rises until the triode (VT 1) is cut off and the intermediate relay (KA 1) is disconnected;

specifically, referring to fig. 6 and 7, the door controller has 4 terminals, wherein (1) and (2) ends are controlled to be connected to a power supply, and (3) and (4) ends are connected to normally open contacts (KA 1-NO) of the intermediate relay, so that (3) and (4) ends are respectively connected to PUSH ends and GND ends of an electric control main board of the door opening device as output ends of door opening and closing signals, door opening of the door opening device is allowed when (3) and (4) are closed, and door opening of the door opening device is not allowed when (3) and (4) are opened.

As another embodiment of the present utility model, the door control device 100 may be integrally disposed on a handle of a shower door, the door control main body 110 is embedded in the handle, the detection end of the detection module 120 is slightly lower than the surface of the handle, the control module 130 in the door control main body 110 is disposed as in any one of the above embodiments, the protection block 150 is disposed on the end face of the detection end of the detection module 120, and the surface of the protection block 150 is flush with the surface of the handle, and the indication of opening of the shower door is implemented by combining an external device (such as a micro-horn, a buzzer, etc.) with an indicator lamp 140.

In one application scenario of the embodiment, when an operator applies the air shower door of the utility model, the operator presses the palm portion against the area where the detection module 120 is located, the alcohol concentration in the air near the detection end is improved due to volatilization of alcohol remained in the palm portion after disinfection, when the detection module 120 detects the alcohol concentration reaching the preset range, an action signal is sent to the control module, the control module carries out pressure boosting treatment on the action signal, the opening of the air shower door is controlled through the intermediate relay, and simultaneously, the external discharge device is combined with the indication lamp 140 to carry out prompt of opening of the air shower door, so that the operator is reminded of passing through the air shower door as soon as possible.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An access control device for disinfection detection, comprising:

2. The access control device for disinfection detection of claim 1, wherein said access control body comprises:

a case body;

3. An access device for disinfection detection as claimed in claim 1 or claim 2, wherein the boss is cylindrical, the end face of the boss has an aperture in the axial direction, and the aperture extends into the access body.

4. The access device for disinfection detection of claim 3, wherein said access device further comprises:

5. The entrance guard device for disinfection detection of claim 4, wherein the contact surface of the protective block is a smooth surface to prevent liquid from remaining on the surface of the protective block.

6. The entrance guard apparatus for sterilization detection according to claim 5, wherein the detection module is an alcohol sensor to detect alcohol concentration of a hand;

7. The entrance guard device for disinfection detection of claim 6, further comprising an intermediate relay, wherein an input end of the intermediate relay is connected with the control module, and an output end of the intermediate relay is connected with the door opening device to realize connection of the control module with the door opening device.

8. The entrance guard device for disinfection detection of claim 7, wherein said entrance guard device is connected to a dc power supply through a power supply line, said dc power supply having a voltage of 5V.

9. The access control device for disinfection detection of claim 8, wherein said control module comprises:

the delay component is electrically connected with the detection module;

10. The access control device for disinfection detection of claim 9, wherein said indicator light comprises: