CN215376393U

CN215376393U - Signal generator for access control system

Info

Publication number: CN215376393U
Application number: CN202121382338.XU
Authority: CN
Inventors: 陈祥彪; 崔俊; 龙华伟
Original assignee: Hangzhou Moredian Technology Co ltd
Current assignee: Hangzhou Moredian Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-31
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a signal generator for an access control system, which is arranged outside and/or inside a door and comprises a shell and a main board, wherein the main board is arranged in the shell and is used for transmitting a signal which sends information of the signal generator; but the source of signal and signal generator's information is made clear to the entrance guard's equipment of received signal, set up two signal generator respectively in and outdoors, send signal to entrance guard's equipment simultaneously, to the entrance guard's equipment of same position, because different signal generator are different to entrance guard's equipment's distance, so its signal strength who sends is also different, size through comparison signal strength, the signal generator's that the signal that combines great intensity corresponds information, can judge that this entrance guard's equipment is in the door or outdoors, thereby judge personnel's business turn over direction, saved and arranged the special messenger's management or set up extra entrance guard and manage respectively and get into and go out, the manpower is saved, and the cost is saved.

Description

Signal generator for access control system

Technical Field

The utility model relates to the field of access control management, in particular to a signal generator for an access control system.

Background

The existing access control management is usually carried out through special person registration and post-stop management or intelligent access control equipment management, and the former consumes manpower and has low passing efficiency; the latter often needs to set up two intelligent entrance guard equipment respectively managers go out and get into if need judge personnel's business turn over direction, or sets up entrance guard module respectively at the both ends of an equipment, and the total cost of equipment is higher like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that the existing access control system cannot judge the direction of personnel or has high cost, and provides a signal generator for the access control system.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a signal generator for an access control system is arranged outside and/or inside a door and comprises a shell and a main board, wherein the main board is arranged in the shell and is used for transmitting a signal with information of the signal generator;

the casing includes main part and base, the main part with base fixed connection forms the installation the chamber that holds of mainboard, the mainboard is located the main part with between the base, and with main part fixed connection.

Preferably, the main board includes a control chip and a transmitting circuit for transmitting broadcast data, the transmitting circuit is electrically connected to the control chip, and the transmitting circuit includes an antenna and a resistance-capacitance sensor for adjusting transmission efficiency.

Preferably, the control chip has a TX/RX communication test point for testing the transmission circuit.

Preferably, the edge of the base is uniformly provided with at least four mounting holes, and the base is fixedly mounted with the main body through the mounting holes;

the base further comprises a gasket, and the gasket is fixed to the bottom of the base and correspondingly shields the mounting hole.

Preferably, the gasket is fixedly bonded with the base; the gasket or the base is adhered to a wall to fix the signal generator to a door or a wall.

Preferably, a battery jar is arranged in the middle of the main body, a first accommodating groove and a second accommodating groove are respectively arranged on two sides of the battery jar, a first limiting plate, a second limiting plate and a third limiting plate are sequentially arranged in the first accommodating groove from left to right in a direction perpendicular to the battery jar, and a limiting notch with a width corresponding to the thickness of the second limiting plate is formed in the edge of the main board;

the mainboard is arranged in the first accommodating groove, the limiting notch is connected with the second limiting plate in a clamped mode, the mainboard is slightly pushed to the bottom face of the mainboard, the first limiting plate, the second limiting plate and the third limiting plate are abutted, and then the mainboard is fixed in the mainboard.

Preferably, be equipped with the guiding hole in the second holding tank, the base corresponds the position and is equipped with the guide post that the guiding hole size corresponds.

Preferably, the main board further comprises a power module for supplying power to the control chip, a download module for downloading the program of the control chip, and a power supply conversion module;

the power supply module and the power supply conversion module are respectively connected with the control chip;

the downloading module comprises an ESD (electro-static discharge) antistatic module;

the power supply conversion module converts the internal power supply into a power supply for use of an internal circuit of the corresponding mainboard.

Preferably, the main board further comprises a clock module, a filtering voltage stabilizing module and a reset module which are all connected with the control chip.

Compared with the prior art, the utility model has the beneficial effects that:

the signal generator that provides among the above-mentioned technical scheme, signal generator's information and the signal relevance of its transmission, the signal source and the signal generator's of signal source can be made clear to the entrance guard equipment that makes the received signal, set up two signal generator respectively inside and outside the door, send the signal to entrance guard equipment simultaneously, to the entrance guard equipment of same position, because different signal generator are different to the distance of entrance guard equipment, so its signal intensity that sends is also different, through the size of comparison signal intensity, combine the signal generator's that the signal of great intensity corresponds information, can judge this entrance guard equipment and be in the door or outside the door, thereby judge personnel's business turn over direction, saved and arranged the special messenger to manage or set up extra entrance guard and manage respectively and get into and go out, the manpower has been saved, the cost is practiced thrift.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic flow chart of a signal generator for an access control system according to an embodiment of the present invention.

Fig. 2 is an exploded view of the mechanism of the signal generator shown in fig. 1.

Fig. 3 is a schematic diagram of the main body and the main board of the signal generator shown in fig. 2.

Fig. 4 is a schematic view of a base structure of the signal generator shown in fig. 2.

Fig. 5 is a circuit diagram of the main board of the signal generator shown in fig. 1.

Fig. 6 is a schematic diagram of a transmitting circuit of the main board of the signal generator shown in fig. 5.

Fig. 7 is a circuit diagram of a power module and a download module of the motherboard of the signal generator shown in fig. 5.

Fig. 8 is a schematic circuit diagram of a power supply conversion module of the main board of the signal generator shown in fig. 5.

Description of reference numerals:

1. a signal generator; 11. A housing; 111. A main body;

1111. a battery case; 1112. A first accommodating groove; 1113. A second accommodating groove;

1114. a first limit plate; 1115. A second limiting plate; 1116. A third limiting plate;

1117. a guide hole; 112. A base; 1121. Mounting holes;

1122. a gasket; 1123. A guide post; 12. A main board;

121. a control chip; 1211. A TX/RX communication test point; 122. A transmitting circuit;

1221. an antenna; 1222. A capacitance-resistance device; 123. A limiting notch;

124. a power supply module; 125. A downloading module; 1251. An ESD anti-static module;

126. a power supply conversion module; 127. A clock module; 128. A filtering and voltage stabilizing module;

129. and a reset module.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a signal generator for an access control system, which is arranged outside and/or inside a door as shown in figure 2, wherein the signal generator 1 comprises a shell 11 and a main board 12, and the main board 12 is arranged in the shell 11 and used for sending a signal carrying information of the signal generator 1; the housing 11 includes a main body 111 and a base 112, the main body 111 is fixedly connected to the base 112 to form an accommodating cavity for installing the main board 12, and the main board 12 is located between the main body 111 and the base 112 and fixedly connected to the main body 111.

Based on the above embodiment, the information of the signal generator 1 is associated with the signal sent by the signal generator, so that the access control device receiving the signal can determine the source of the signal and the information of the signal generator 1; as shown in the attached figure 1, two signal generators 1 are respectively arranged in a door and outside the door, and simultaneously send signals to the access control equipment, for the access control equipment at the same position, because the distances from different signal generators 1 to the access control equipment are different, the signal intensities sent by the signal generators are also different, and the access control equipment can be judged to be positioned in the door or outside the door by comparing the signal intensities and combining the information of the signal generator 1 corresponding to the signal with larger intensity, so that the access direction of personnel is judged, the arrangement of special personnel management or the arrangement of extra access control to respectively manage the access and the outgoing is omitted, the labor is saved, and the cost is saved; meanwhile, the main board 12 is arranged in the shell 11, so that the main board 12 is isolated from the external environment, and the main board 12 is prevented from being exposed to the influence of dust and water vapor, and the service life of the main board is further influenced.

Specifically, the access control device can be an access control card, a work card and the like carried by a worker to manage the entrance and exit of the worker; the system can also be used for managing the import and export of the valuable company property for information cards, registration cards and the like installed on the valuable company property.

Specifically, as shown in fig. 2, 5 and 6, the main board 12 includes a control chip 121 and a transmitting circuit 122 for transmitting broadcast data, the transmitting circuit 122 is electrically connected to the control chip 121 to control the transmitting circuit 122 to transmit a signal to the door access device, and meanwhile, the transmitting circuit 122 includes an antenna 1221 and a resistive-capacitive sensor 1222 for adjusting the transmitting efficiency, in a specific application scenario, the transmitting efficiency of the transmitting circuit 122 can be adjusted according to the traffic volume of the employee, so as to maintain a high traffic efficiency and prevent the employee from being detained or missing.

Specifically, as shown in fig. 5, the control chip 121 has a TX/RX communication test point 1211 for detecting whether the transmitting circuit 122 can work normally, so as to facilitate timely maintenance and replacement when the transmitting circuit is damaged.

Specifically, as shown in fig. 2, at least four mounting holes 1121 are uniformly formed in the edge of the base 112, the base 112 is fixedly mounted on the main body 111 through the mounting holes 1121, the base 112 further includes a gasket 1122, the gasket 1122 is fixed at the bottom of the base 112 and correspondingly shields the mounting holes 1121, so that the flatness of the bottom surface of the base 112 is ensured, and the subsequent mounting is facilitated, for example, in the screw mounting process, a screw head is exposed outside the base 112, so that the bottom surface is uneven and cannot be mounted; more specifically, the washer 1122 may be made of a softer rubber or resin material.

Specifically, the gasket 1122 is adhesively fixed to the base 112; the gasket 1122 or the base 112 is adhered to the wall to fix the signal generator 1 to the door or the wall, and the nail-free installation is labor-saving and quick without damaging the wall surface.

Specifically, as shown in fig. 2 and 3, a battery slot 1111 for installing a battery for supplying power to the motherboard 12 is arranged in the middle of the inside of the main body 111, so that the power supply using the built-in battery is wider than the power supply using the built-in battery, and is not limited by the socket position; a first accommodating groove 1112 and a second accommodating groove 1113 are respectively arranged at two sides of the battery groove 1111, a first limiting plate 1114, a second limiting plate 1115 and a third limiting plate 1116 are sequentially arranged in the first accommodating groove 1112 from left to right in a direction perpendicular to the battery groove 1111, and a limiting notch 123 with a width corresponding to the thickness of the second limiting plate 1115 is formed at the edge of the mainboard 12; arrange mainboard 12 in first holding tank 1112, spacing breach 123 and second limiting plate 1115 joint play the effect of preinstallation, lightly push mainboard 12 to mainboard 12 bottom surface and first limiting plate 1114, second limiting plate 1115 and third limiting plate 1116 counterbalance back, fix mainboard 12 in main part 111.

Specifically, as shown in fig. 3 and 4, a guiding hole 1117 is formed in the second accommodating groove 1113, a guiding post 1123 corresponding to the size of the guiding hole 1117 is formed in a corresponding position of the base 112, and before the base 112 is fixed to the bottom of the main body 111, the guiding post 1123 of the base 112 is inserted into the guiding hole 1117 of the second accommodating groove 1113, so that the base 112 and the main body 111 are preliminarily fixed, and a pre-installation effect is achieved.

Specifically, as shown in fig. 2, fig. 5, fig. 7 and fig. 8, the main board 12 further includes a power module 124 for supplying power to the control chip 121, a downloading module 125 for downloading a program of the control chip 121, and a power conversion module 126 for converting the internal power supply to be used by the internal circuit of the corresponding main board 12; the download module 125 further comprises an ESD protection module 1251 for preventing static electricity from interfering with the download process and the motherboard 12, thereby reducing the service life of the motherboard 12.

Preferably, as shown in fig. 2 and fig. 5, the main board 12 further includes a clock module 127 for sending a clock signal and controlling the modules of the circuit to operate synchronously; a filtering voltage stabilizing module 128 for eliminating certain power supply harmonic waves and keeping the voltage stable; and a reset module 129 for resetting the circuit as a whole.

To sum up, a specific workflow of a signal generator for an access control system is: install signal generator 1 in the door respectively with outdoors, send the signal that has carried signal generator 1 information to entrance guard's equipment simultaneously, the entrance guard's equipment of same position receives the signal that comes from the different intensity that two signal generator 1 sent and compares its size, combines the signal generator 1's that the signal of great intensity corresponds information, judges entrance guard's equipment and is in the door or outdoors to judge the discrepancy condition of staff or public and private property.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A signal generator for an access control system is characterized in that the signal generator is arranged outside and/or inside a door, and comprises a shell and a main board, wherein the main board is arranged in the shell and is used for transmitting a signal with information of the signal generator;

2. The signal generator for an access control system of claim 1, wherein: the main board comprises a control chip and a transmitting circuit used for transmitting broadcast data, the transmitting circuit is electrically connected with the control chip, and the transmitting circuit comprises an antenna and a resistance-capacitance sensor used for adjusting the transmitting efficiency.

3. The signal generator for an access control system of claim 2, wherein: the control chip is provided with a TX/RX communication test point for testing the transmitting circuit.

4. The signal generator for an access control system of claim 1, wherein: the edge of the base is uniformly provided with at least four mounting holes, and the base is fixedly mounted with the main body through the mounting holes;

5. The signal generator for an access control system of claim 4, wherein the gasket is adhesively secured to the base; the gasket or the base is adhered to a wall to fix the signal generator to a door or a wall.

6. The signal generator for an access control system of claim 1, wherein: a battery jar is arranged in the middle of the main body, a first accommodating tank and a second accommodating tank are respectively arranged on two sides of the battery jar, a first limiting plate, a second limiting plate and a third limiting plate are sequentially arranged in the first accommodating tank from left to right in a direction perpendicular to the battery jar, and a limiting notch with a width corresponding to the thickness of the second limiting plate is formed in the edge of the main board;

7. The signal generator for an access control system of claim 6, wherein: be equipped with the guiding hole in the second holding tank, the base corresponds the position and is equipped with the guide post that the guiding hole size corresponds.

8. The signal generator for an access control system of claim 2, wherein: the mainboard further comprises a power supply module for supplying power to the control chip, a downloading module for downloading the control chip program and a power supply conversion module;

9. The signal generator for an access control system of claim 2, wherein: the mainboard further comprises a clock module, a filtering voltage stabilizing module and a resetting module which are all connected with the control chip.