CN211509033U

CN211509033U - System control switch and switch cluster of voting equipment

Info

Publication number: CN211509033U
Application number: CN201922089610.4U
Authority: CN
Inventors: 杨振华; 曹忻军; 陈洪顺; 曹庆; 周文名; 李猛
Original assignee: Beijing Philisense Electronics Co ltd
Current assignee: Beijing Philisense Electronics Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-09-15
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a voting equipment's system control switch and switch cluster, including magnet subassembly (1), hall sensor (3), the control module who is connected with hall sensor (3), a serial communication port, hall sensor (3) install on the inner wall of voting equipment shell (6), control module be connected with the control end of voting equipment power, magnet subassembly (1) be used for when being close to hall sensor (3), control hall sensor (3) signals of telecommunication. The utility model discloses a system control switch of voting equipment has separation magnet and hall sensor, can non-contact open and close electronic voting ware power, has simple structure, dustproof waterproof and safe and reliable's characteristics.

Description

System control switch and switch cluster of voting equipment

Technical Field

The utility model belongs to the technical field of electronic voting equipment, in particular to voting equipment's system control switch.

Background

The voting process of modern conference begins to develop towards intellectualization and digitization, and electronic voting equipment is also popularized in all large conferences at home and abroad. The control switch of the electronic voting equipment system in the market at present is generally a traditional mechanical non-sealing switch, the control switch of the system needs to be installed on the outer wall of the electronic voting equipment, and a hole needs to be formed in the outer shell of the electronic voting equipment, so that the switch can be connected with an internal control system to perform functions. However, the system switch can control the on-off of the system only when a hole is formed outside the voting equipment shell, so that the sealing performance of the voting equipment is reduced, the waterproof and dustproof performance is reduced, the key contact point is easy to be oxidized and failed, and the use requirement under the specific environment of high humidity, high salt, high dust and the like is difficult to meet. Meanwhile, the traditional mechanical switch can be manually and mistakenly operated during the conference, so that the voting equipment is shut down, the voting process of the conference is influenced, and the conference accident is caused.

Disclosure of Invention

The utility model aims at providing a voting equipment's system control switch has separation magnet and hall sensor, can non-contact open and close the system power of electronic voting ware, has simple structure, dustproof waterproof and safe and reliable's characteristics.

The utility model discloses a concrete technical scheme is a system control switch of voting equipment, including magnet subassembly, hall sensor, the control module who is connected with hall sensor, its characterized in that, hall sensor install on the inner wall of voting equipment shell, control module be connected with the control end of voting equipment power, the magnet subassembly be used for when being close to hall sensor, control hall sensor signals of telecommunication.

Furthermore, the control module comprises a differential amplifying circuit, a filter circuit and a control chip, wherein the differential amplifying circuit is connected with the Hall sensor and used for receiving the electric signal sent by the Hall sensor, the filter circuit is connected between the differential amplifying circuit and the control chip, and the control chip is connected with the control end of the power supply of the voting equipment.

Furthermore, the magnet assembly is a permanent magnet or an electromagnet.

Furthermore, the voting equipment shell is made of a plastic material.

Furthermore, switch position marks are printed on the surface of the outer wall corresponding to the inner wall of the voting equipment shell provided with the Hall sensor.

Furthermore, the switch position mark is printed by silk plate.

Furthermore, the system comprises a plurality of voting equipment system control switches, a switch cluster power supply switch and a switch cluster base, the magnet assembly is an electromagnet, the electromagnets of the plurality of voting equipment system control switches and the switch cluster power supply switch are connected in series and are installed on the switch cluster base, each electromagnet is correspondingly provided with one voting equipment, and the electromagnet is close to a Hall sensor installed on the corresponding voting equipment.

The utility model has the advantages that 1) compared with the traditional mechanical switch key, the voting equipment shell can not be perforated, and the voting equipment shell has better sealing performance and dustproof and waterproof performance; 2) compared with the traditional switch key, the oxidation failure of the key contact point is avoided; 3) compared with the traditional switch key, the condition that the user presses the system switch to close the voting equipment to influence the conference process in the conference voting process intentionally or unintentionally is avoided; 4) the box can be placed through special voting equipment, and a plurality of voting equipment are started at the same time, so that the conference preparation efficiency is greatly improved; 5) the external permanent magnet or electromagnet accessories are specially kept by the conference preparing personnel, so that the probability that the participant closes the voting equipment intentionally can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of a system control switch of the voting equipment of the present invention;

fig. 2 is a schematic connection diagram of a system control switch of the voting equipment of the present invention;

fig. 3 is a schematic diagram of a system control switch cluster of the voting device of the present invention.

The intelligent control system comprises a magnet assembly 1, a switch position identifier 2, a Hall sensor 3, a control module 4, a differential amplification circuit 41, a filter circuit 42, a control chip 43, a voting equipment power supply 5, a voting equipment shell 6, a switch cluster 7 and a switch cluster base 8.

Detailed Description

The following structural description and the accompanying drawings further describe the specific technical scheme of the invention.

As shown in fig. 1-2, the utility model discloses a system control switch of voting equipment, including magnet subassembly 1, hall sensor 3, the control module who is connected with hall sensor 3.

The sensor comprises a Hall sensor 3, a control module and a magnet assembly 1, wherein the Hall sensor 3 is arranged on the inner wall of a voting equipment shell 6, the control module is connected with a control end of a voting equipment power supply, and the magnet assembly 1 is used for controlling an electric signal emitted by the Hall sensor 3 when being close to the Hall sensor 3.

The hall sensor 3 is a magnetic field sensor made according to the hall effect. The Hall voltage changes along with the change of the magnetic field intensity, the magnetic field intensity is in direct proportion or inverse proportion to the Hall voltage, Hall sensors of different manufacturers and models have different definitions, and the Hall voltage value is very small and is usually only a few millivolts. There are a number of methods and circuit configurations for hall sensors used in control system power supplies or other devices known in the art.

The utility model discloses a specific embodiment is, control module include difference amplifier circuit 41, filter circuit 42 and control chip 43, difference amplifier circuit 41 be connected with hall sensor 3 and be used for receiving the signal of telecommunication that hall sensor 3 sent, filter circuit 42 connect between difference amplifier circuit 41 and control chip 43, control chip 43 be connected with the control end of voting equipment power.

The magnet assembly 1 is a permanent magnet or an electromagnet. The voting equipment housing 6 is made of plastic material. And a switch position mark 2 is printed on the surface of the outer wall corresponding to the inner wall of the voting equipment shell 6 provided with the Hall sensor 3. The switch position mark 2 is printed by silk plate.

When the magnet assembly 1 is close to the switch position mark 2 corresponding to the position of the Hall sensor 3 in the plastic shell, the Hall voltage of the Hall sensor 3 is increased or reduced to a normal voltage range, so as to control the power supply 5 of the voting equipment to be started or shut down; or the magnet assembly 1 is far away from the switch position mark 2, so that the Hall voltage of the Hall sensor 3 is increased or reduced to a normal voltage range, and the power supply 5 of the voting equipment is controlled to be turned on or turned off.

As shown in the attached drawing 3, the utility model discloses a voting equipment's system control switch can also make the switch cluster, it is a plurality of including voting equipment's system control switch, switch cluster's power switch 7 and switch cluster base 8, magnet subassembly 1 be the electro-magnet, a plurality of voting equipment's system control switch the electro-magnet with switch cluster's power switch 7 establish ties together, and install switch cluster base 8 on, every electro-magnet all corresponds voting equipment of installation, this electro-magnet is close to the hall sensor 3 of installing on corresponding voting equipment.

Although the present invention has been described in terms of the preferred embodiment, it is not intended that the invention be limited to the embodiment. Any equivalent changes or modifications made without departing from the spirit and scope of the present invention also belong to the protection scope of the present invention. The scope of the invention should therefore be determined with reference to the appended claims.

Claims

1. The utility model provides a system control switch of voting equipment, includes magnet subassembly (1), hall sensor (3), the control module who is connected with hall sensor (3), its characterized in that, hall sensor (3) install on the inner wall of voting equipment shell (6), control module be connected with the control end of voting equipment power, magnet subassembly (1) be used for when being close to hall sensor (3), control hall sensor (3) signals of telecommunication.

2. A system control switch for a voting device according to claim 1, wherein the control module comprises a differential amplifier circuit (41), a filter circuit (42) and a control chip (43), the differential amplifier circuit (41) being connected to the hall sensor (3) and being configured to receive the electrical signal emitted by the hall sensor (3), the filter circuit (42) being connected between the differential amplifier circuit (41) and the control chip (43), the control chip (43) being connected to the control terminal of the power supply of the voting device.

3. A voting equipment system control switch according to claim 2, wherein the magnet assembly (1) is a permanent magnet or an electromagnet.

4. A voting equipment system control switch according to claim 3, characterised in that the voting equipment casing (6) is made of plastic material.

5. A voting equipment system control switch according to claim 4, wherein the voting equipment housings (6) are mounted on the inner walls of the Hall sensors (3), and the corresponding voting equipment housings (6) have switch position markers (2) printed on the outer wall surfaces thereof.

6. A voting equipment system control switch according to claim 5, characterised in that the switch position markers (2) are silk-screened.

7. A system control switch cluster of voting equipment, which is characterized by comprising a plurality of system control switches of the voting equipment according to claim 1, a power supply switch (7) of the switch cluster and a switch cluster base (8), wherein the magnet assembly (1) is an electromagnet, the electromagnets of the system control switches of the voting equipment are connected with the power supply switch (7) of the switch cluster in series and are installed on the switch cluster base (8), each electromagnet is correspondingly provided with one voting equipment, and the electromagnet is close to a hall sensor (3) installed on the corresponding voting equipment.