Access control device

Abstract

The utility model provides an access control device. The access control device comprises a control piece and a door lock, the at least two opening and closing parts and the at least two protective doors are arranged in a one-to-one correspondence manner, and the control part is in signal connection with the at least two opening and closing parts, so that the opening and closing parts control the protective doors to have an opening state and a closing state; when the first protective door is in the open state, the control piece is in signal connection with the opening and closing piece corresponding to the second protective door so as to control the second protective door to be in the closed state, and when the second protective door is in the open state, the control piece is in signal connection with the opening and closing piece corresponding to the first protective door so as to control the first protective door to be in the closed state. Through the technical scheme provided by the invention, the problems that the pressure of the clean area and the pressure of the changing room are gradually reduced, dust enters the clean area and environmental pollution is caused when a worker opens the door of the changing room and the door for entering the clean area at the same time in the related technology can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of access control recognition, and particularly to an access control device. Background Art

[0002] When workers are operating in the workshop in the clean area, it is necessary to ensure that the workshop is in a sterile and dust-free environment. Therefore, workers need to change clothes in the dressing room, and the pressure in the dressing room should be greater than the external pressure, so as to avoid dust from entering.

[0003] However, when workers in the related art open the door of the dressing room and the door entering the clean area at the same time, the pressure in the clean area and the dressing room will gradually decrease, and then dust will enter the clean area, causing environmental pollution. Summary of the Utility Model

[0004] The utility model provides an access control device to solve the problem that when workers in the related art open the door of the dressing room and the door entering the clean area at the same time, the pressure in the clean area and the dressing room will gradually decrease, and then dust will enter the clean area, causing environmental pollution.

[0005] The utility model provides an access control device, which includes: a control member; at least two opening and closing members, and at least two opening and closing members are arranged in one-to-one correspondence with at least two protective doors. The control member is respectively signal-connected to at least two opening and closing members, so that the opening and closing members control the corresponding protective doors to have an open state and a closed state; wherein, when the first protective door is in the open state, it can connect the dressing room and the outside, and when the second protective door is in the open state, it can connect the clean area and the dressing room. When the first protective door is in the open state, the control member is signal-connected to the opening and closing member corresponding to the second protective door to control the second protective door to be in the closed state. When the second protective door is in the open state, the control member is signal-connected to the opening and closing member corresponding to the first protective door to control the first protective door to be in the closed state.

[0006] Further, the control member includes a control box and at least two interlock switches. The control box is respectively signal-connected to at least two interlock switches and at least two opening and closing members. When the first interlock switch is signal-connected to the control box to control the opening and closing member on the first protective door to keep the first protective door in the open state, the second interlock switch is signal-connected to the control box to control the opening and closing member on the second protective door to keep the second protective door in the closed state.

[0007] Further, a power supply and a solenoid valve are arranged in the control box. At least two interlock switches, at least two opening and closing members and the solenoid valve are respectively electrically connected to the power supply. The solenoid valve receives the opening and closing signals of the interlock switch to control the opening and closing member to be powered on or off.

[0008] Further, the interlock switch is provided with a display lamp for indicating whether the protective door is in the open state or the closed state.

[0009] Further, the opening and closing member includes an electromagnetic lock, and the protective door is provided with an iron block corresponding to the electromagnetic lock. The electromagnetic lock is electrically connected to the power supply and signal-connected to the electromagnetic valve, so that the electromagnetic lock can be magnetically coupled with the iron block.

[0010] Further, the access control device further includes a differential pressure gauge, which is arranged between the dressing room and the outside, and / or between the clean area and the dressing room.

[0011] Further, the differential pressure gauge includes a detection box, a first detection tube and a second detection tube. The first end of the first detection tube extends into the dressing room, the second end of the first detection tube extends into the detection box, the first end of the second detection tube extends into the detection box, and the second end of the second detection tube is connected to the outside. The detection box can obtain the flow rate difference between the first detection tube and the second detection tube.

[0012] Further, a display screen for displaying the differential pressure is arranged on the detection box.

[0013] Further, the access control device further includes a face recognition device. The power supply is electrically connected to the face recognition device, and the face recognition device is signal-connected to the electromagnetic valve.

[0014] Further, the access control device further includes a doorbell, and the power supply is electrically connected to the doorbell.

[0015] Applying the technical solution of the present utility model, the access control device includes a control member and at least two opening and closing members. The at least two opening and closing members are arranged in one-to-one correspondence with at least two protective doors, and the control member is respectively signal-connected to the at least two opening and closing members, so that the opening and closing members can control the corresponding protective doors to switch between the open state and the closed state. Specifically, when the first protective door is in the open state, it can connect the dressing room and the outside. When the second protective door is in the open state, it can connect the clean area and the dressing room. The control member controls the at least two opening and closing members respectively. When the control member controls the first opening and closing member to receive a signal, and then controls the corresponding protective door to be in the open state, the control member controls the second opening and closing member to receive a signal, and then controls the corresponding protective door to be in the closed state. When the control member controls the second opening and closing member to receive a signal, and then controls the corresponding protective door to be in the open state, the control member controls the first opening and closing member to receive a signal, and then controls the corresponding protective door to be in the closed state. So, under the action of the control member and the at least two opening and closing members, it can be ensured that when the first protective door is in the open state, the second protective door is always in the closed state, or when the second protective door is in the open state, the first protective door is always in the closed state. This can prevent the clean area from being connected to the dressing room after the dressing room is connected to the outside, thereby avoiding the reduction of the pressure in the clean area, which may cause dust to enter the clean area and cause environmental pollution, and ensuring the stable pressure in the clean area. In this way, under the action of the control member and the at least two opening and closing members, it is ensured that only one of the protective doors can be in the open state, and the other protective doors are always in the closed state, avoiding the reduction of pressure caused by multiple protective doors being opened simultaneously, and thus causing environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The schematic diagrams in the specification forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1 Shows a schematic diagram of the access control device provided by an embodiment of the present utility model;

[0018] Figure 2 Shows Figure 1 A partial enlarged view at A in;

[0019] Figure 3 Shows Figure 1 A partial enlarged view at B in.

[0020] Among them, the above-mentioned drawings include the following reference numerals:

[0021] 10. Control member; 11. Control box; 12. Interlock switch;

[0022] 20. Opening and closing member; 21. Electromagnetic lock;

[0023] 30. Protection door; 31. Iron block;

[0024] 40. Differential pressure gauge;

[0025] 50. Face recognition device;

[0026] 60. Doorbell. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way constitutes a limitation on the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] As Figures 1 to 3 shown, the embodiment of the present invention provides an access control device. The access control device includes a control member 10 and at least two opening and closing members 20. The at least two opening and closing members 20 and at least two protection doors 30 are arranged in one-to-one correspondence. The control member 10 is respectively signal-connected to the at least two opening and closing members 20 so that the opening and closing members 20 control the corresponding protection doors 30 to have an open state and a closed state. Among them, when the first protection door 30 is in the open state, it can connect the dressing room and the outside. When the second protection door 30 is in the open state, it can connect the clean area and the dressing room. When the first protection door 30 is in the open state, the control member 10 is signal-connected to the opening and closing member 20 corresponding to the second protection door 30 to control the second protection door 30 to be in the closed state. When the second protection door 30 is in the open state, the control member 10 is signal-connected to the opening and closing member 20 corresponding to the first protection door 30 to control the first protection door 30 to be in the closed state.

[0029] Applying the access control device provided in this embodiment, the access control device includes a control member 10 and at least two opening and closing members 20. The at least two opening and closing members 20 are provided in one-to-one correspondence with at least two protective doors 30, and the control member 10 is respectively in signal connection with the at least two opening and closing members 20, so that the opening and closing members 20 can control the corresponding protective doors 30 to switch between the open state and the closed state. Specifically, when the first protective door 30 is in the open state, it can connect the dressing room and the outside world. When the second protective door 30 is in the open state, it can connect the clean area and the dressing room. The control member 10 controls the at least two opening and closing members 20 respectively. When the control member 10 controls the first opening and closing member 20 to receive a signal, and then controls the corresponding protective door 30 to be in the open state, the control member 10 controls the second opening and closing member 20 to receive a signal, and then controls the corresponding protective door 30 to be in the closed state. When the control member 10 controls the second opening and closing member 20 to receive a signal, and then controls the corresponding protective door 30 to be in the open state, the control member 10 controls the first opening and closing member 20 to receive a signal, and then controls the corresponding protective door 30 to be in the closed state. So, under the action of the control member 10 and the at least two opening and closing members 20, it can be ensured that when the first protective door 30 is in the open state, the second protective door 30 is always in the closed state, or when the second protective door 30 is in the open state, the first protective door 30 is always in the closed state. This can prevent the clean area from being connected to the dressing room after the dressing room is connected to the outside world, thereby avoiding the reduction of the pressure in the clean area, resulting in dust entering the clean area and causing environmental pollution, and ensuring the stable pressure in the clean area. In this way, under the action of the control member 10 and the at least two opening and closing members 20, it is ensured that only one of the protective doors 30 can be in the open state, and the other protective doors 30 are always in the closed state, avoiding the reduction of pressure caused by multiple protective doors 30 being opened simultaneously, and thus causing environmental pollution.

[0030] Such as Figures 1 to 3As shown in the figure, the control member 10 includes a control box 11 and at least two interlock switches 12. The control box 11 is respectively signal-connected to at least two interlock switches 12 and at least two opening and closing members 20. When the first interlock switch 12 is signal-connected to the control box 11 to control the opening and closing member 20 on the first protective door 30 to keep the first protective door 30 in an open state, the second interlock switch 12 is signal-connected to the control box 11 to control the opening and closing member 20 on the second protective door 30 to keep the second protective door 30 in a closed state. With the above structure, by setting the control box 11 and at least two interlock switches 12, an interlock switch 12 is correspondingly arranged on each protective door 30. The control box 11 can be respectively signal-connected to at least two interlock switches 12 and at least two opening and closing members 20, so that the control box 11 can control the switching of the protective door between the open state and the closed state. Moreover, by arranging the interlock switch 12 on the protective door 30, when the first protective door 30 is in the open state, the interlock switch 12 on the first protective door 30 sends a signal to the control box 11, and the control box 11 controls the interlock switch 12 on the second protective door 30, so that the second protective door 30 is always in the closed state under the control of the interlock switch 12. Or when the second protective door 30 is in a certain state, the interlock switch 12 on the second protective door 30 sends a signal to the control box 11, and the control box 11 controls the interlock switch 12 on the first protective door 30, so that the first protective door 30 is always in the closed state under the control of the interlock switch 12. Under the action of the interlock switch 12, only one of the protective doors 30 can be opened, thus preventing the clean area, the dressing room and the outside from being connected and causing the pressure to drop, avoiding environmental pollution to the clean area, and improving the reliability and practicability of the access control device.

[0031] In this embodiment, a power supply and a solenoid valve are arranged in the control box 11. At least two interlock switches 12, at least two opening and closing members 20 and the solenoid valve are respectively electrically connected to the power supply. The solenoid valve receives the opening and closing signals of the interlock switch 12 to control the energization or de-energization of the opening and closing member 20. With the control box 11 having the above structure, by electrically connecting the power supply to at least two interlock switches 12, at least two opening and closing members 20 and the solenoid valve respectively, electric energy is provided, so that the solenoid valve can receive the opening and closing signals of the interlock switch 12, and the opening and closing member 20 on the corresponding protective door 30 is controlled to switch between the open state and the closed state through the opening and closing signals received by the solenoid valve, ensuring the reliability of the control method.

[0032] In this embodiment, the interlock switch 12 is provided with a display lamp for indicating whether the protective door 30 is in the open state or the closed state. With the above structure, by arranging the display lamp on the interlock switch 12, it can be shown whether the protective door 30 is in the open state or the closed state through the display lamp, which is convenient for observation and judgment.

[0033] As Figure 1 and Figure 2 shown, the opening and closing member 20 includes an electromagnetic lock 21, and an iron block 31 corresponding to the electromagnetic lock 21 is provided on the protective door 30. The electromagnetic lock 21 is electrically connected to a power supply, and the electromagnetic lock 21 is signal - connected to a solenoid valve so that the electromagnetic lock 21 can be magnetically engaged with the iron block 31. For the opening and closing member 20 having the above - mentioned structure, the solenoid valve is signal - connected to the electromagnetic lock 21, and the electromagnetic lock can control the electromagnetic lock 21 to be energized or de - energized with the power supply. When one of the protective doors 30 is opened, the corresponding interlock switch 12 transmits the opening signal to the solenoid valve, and the solenoid valve controls the electromagnetic lock 21 on the corresponding protective door 30 to be de - energized, so that the electromagnetic lock 21 is not magnetically engaged with the iron block 31 on the protective door 30, which facilitates the opening. Then, the interlock switch 12 on the other protective door 30 transmits the closing signal to the solenoid valve, and the solenoid valve controls the electromagnetic lock 21 on the corresponding protective door 30 to be energized, so that the electromagnetic lock 21 is magnetically engaged with the iron block 31 on the corresponding protective door 30, ensuring that the other protective door remains closed all the time, making the control method simple.

[0034] As Figure 1 shown, the access control device further includes a differential pressure gauge 40. The differential pressure gauge 40 is provided between the dressing room and the outside, and / or the differential pressure gauge 40 is provided between the clean area and the dressing room. With the above - mentioned structure, by providing the differential pressure gauge 40 between the dressing room and the outside and / or between the clean area and the dressing room, it is convenient to detect whether the pressure difference meets the requirements, and thus the pressure of the clean area and / or the dressing room can be detected.

[0035] In this embodiment, the differential pressure gauge 40 includes a detection box, a first detection tube, and a second detection tube. The first end of the first detection tube extends into the dressing room, the second end of the first detection tube extends into the detection box, the first end of the second detection tube extends into the detection box, and the second end of the second detection tube is communicated with the outside. The detection box can obtain the flow velocity difference between the first detection tube and the second detection tube. With the above - mentioned structure, by extending the first end of the first detection tube into the dressing room, the second end of the first detection tube into the detection box, the first end of the second detection tube into the detection box, and the second end of the second detection tube being communicated with the outside, the pressure between the outside and the dressing room can be detected by using the detection box, the first detection tube, and the second detection tube. Then, the pressure value in the dressing room can be obtained through the pressure difference between the first detection tube and the second detection tube, ensuring the accuracy of the detection value.

[0036] In this embodiment, a display screen for displaying the differential pressure is provided on the detection box. With the above - mentioned structure, it is convenient to observe the pressure difference on the detection box by using the display screen.

[0037] As Figure 1 and Figure 3As shown, the access control device further includes a face recognition device 50. The power supply is electrically connected to the face recognition device 50, and the face recognition device 50 is signal-connected to the solenoid valve. With the above structure, by setting the face recognition device 50, it is convenient to improve the automation degree of the access control device, and it can also be signal-connected to the solenoid valve to control the opening of the protective door 30.

[0038] As Figure 1 and Figure 3 shown, the access control device further includes a doorbell 60. The power supply is electrically connected to the doorbell 60. With the above structure, by setting the doorbell 60, it can play a reminder role.

[0039] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0040] Unless otherwise specifically stated, the relative arrangements, numerical expressions, and numerical values of the components and steps described in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the said technologies, methods, and devices should be regarded as part of the specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0041] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal", and "top, bottom" are usually based on the orientation or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Without contrary instructions, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the protection scope of the present invention; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0042] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper", etc. can be used here to describe the spatial positional relationship of a device or feature shown in the figure with other devices or features. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figure. For example, if the device in the drawing is inverted, a device described as "above" or "over" other devices or structures will then be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations of the spatial relative descriptions used here will be made.

[0043] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of differentiating the corresponding components. Without additional statement, the above terms have no special meaning, and thus should not be construed as limiting the protection scope of the present utility model.

[0044] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An access control device, characterized in that, The access control device includes: a control member (10); at least two opening and closing members (20), where at least two of the opening and closing members (20) are provided in one-to-one correspondence with at least two protective doors (30), and the control member (10) is respectively signal-connected to at least two of the opening and closing members (20) so that the opening and closing members (20) control the corresponding protective doors (30) to have an open state and a closed state; wherein, when the first protective door (30) is in the open state, it can connect the dressing room and the outside, and when the second protective door (30) is in the open state, it can connect the clean area and the dressing room. When the first protective door (30) is in the open state, the control member (10) is signal-connected to the opening and closing member (20) corresponding to the second protective door (30) to control the second protective door (30) to be in the closed state. When the second protective door (30) is in the open state, the control member (10) is signal-connected to the opening and closing member (20) corresponding to the first protective door (30) to control the first protective door (30) to be in the closed state.

2. The access control device according to claim 1, wherein, The control member (10) includes a control box (11) and at least two interlock switches (12). The control box (11) is respectively signal-connected to at least two of the interlock switches (12) and at least two of the opening and closing members (20). When the first interlock switch (12) is signal-connected to the control box (11) to control the opening and closing member (20) on the first protective door (30) to keep the first protective door (30) in the open state, the second interlock switch (12) is signal-connected to the control box (11) to control the opening and closing member (20) on the second protective door (30) to keep the second protective door (30) in the closed state.

3. The access control device according to claim 2, wherein A power supply and a solenoid valve are arranged in the control box (11). At least two of the interlock switches (12), at least two of the opening and closing members (20), and the solenoid valve are respectively electrically connected to the power supply. The solenoid valve receives the opening and closing signals of the interlock switch (12) to control the opening and closing member (20) to be powered on or off.

4. The access control device according to claim 2, characterized in that, The interlock switch (12) is provided with a display lamp for indicating whether the protective door (30) is in the open state or the closed state.

5. The access control device according to claim 3, characterized in that, The opening and closing member (20) includes an electromagnetic lock (21). A iron block (31) corresponding to the electromagnetic lock (21) is provided on the protective door (30). The electromagnetic lock (21) is electrically connected to the power supply and signal-connected to the solenoid valve so that the electromagnetic lock (21) can be magnetically coupled with the iron block (31).

6. The access control device according to any one of claims 1 to 5, characterized in that, The access control device further includes a differential pressure gauge (40). The differential pressure gauge (40) is arranged between the dressing room and the outside, and / or the differential pressure gauge (40) is arranged between the clean area and the dressing room.

7. The access control device according to claim 6, characterized in that, The differential pressure gauge (40) includes a detection box, a first detection tube, and a second detection tube. The first end of the first detection tube extends into the dressing room, the second end of the first detection tube extends into the detection box, the first end of the second detection tube extends into the detection box, the second end of the second detection tube is connected to the outside, and the detection box can obtain the flow velocity difference between the first detection tube and the second detection tube.

8. The access control device according to claim 7, characterized in that, A display screen for displaying the differential pressure is provided on the detection box.

9. The access control device according to claim 3, wherein, The access control device further includes a face recognition device (50). The power supply is electrically connected to the face recognition device (50), and the face recognition device (50) is signal-connected to the solenoid valve.

10. The access control device according to claim 3, wherein, The access control device further includes a doorbell (60). The power supply is electrically connected to the doorbell (60).

Images