Entrance control switch with dual-purpose electrical functions of push-button switch and rotary normally closed switch

Abstract

The invention discloses an entrance control switch with dual-purpose electrical functions of a push-button contact and a rotary normally closed contact. The entrance control switch comprises an indication board (20) in a signal output mode, a rotary push-button midbody (40) and a fixed terminal wiring board (60). Compared with the normally opened self-reset push-button switch or the normally closed switch both with a single electrical function in the current market of electrical switch products, the entrance control switch disclosed by the invention adopts an entrance control system with needs of two electrical functions of the push-button contact and the normally closed contact, a switch shell for mounting a push-button contact module or a normally closed contact module is omitted, a necessary device base for mounting a push-button switch or a normally closed switch is omitted, the energy conservation and the environmental protection in the using field of entrance switch products of the entrance control system are promoted, and the entrance control switch has certain economic benefits.

Description

technical field [0001] The invention relates to an access control switch, in particular to an access control switch with dual-purpose electrical functions of a push button switch and a rotary break switch. Background technique [0002] The normally open self-resetting button switch (national standard number: GB / T4728.7-2008-S00254, hereinafter referred to as the beginning of the button) and the normally closed dynamic break switch (national standard number: GB / T4728.7-2008) -S00229, hereinafter referred to as the dynamic break switch) and the electrical function of the manual rotary switch without automatic reset (national standard number: GB / T4728.7-2008-S00256, hereinafter referred to as the rotary break switch) are well known, but, with With the development and popularization of access control systems in the security industry, the electrical switches with the above three functions cannot alone meet the dual-use needs of indoor personnel for normal and emergency exits. Fo...

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Problems solved by technology

[0002] The normally open self-resetting button switch (national standard number: GB / T4728.7-2008-S00254, hereinafter referred to as the beginning of the button) and the normally closed dynamic break switch (national standard number: GB / T4728.7-2008) -S00229, hereinafter referred to as the dynamic break switch) and the electrical function of the manual rotary switch without automatic reset (national standard number: GB / T4728.7-2008-S00256, hereinafter referred to as the rotary break switch) are well known, but, with With the development and popularization of access control systems in the security industry, the electrical switches with the above three functions cannot alone meet the dual-use needs of indoor personnel for normal and emergency exits.

For example, when the access control controller is in normal working state, the indoor personnel can use the push button switch connected in parallel with the door opening signal receiving end of the access control controller to send a closing signal to the access control controller, and the access control controller will power off the electric lock, and the To achieve the goal of going out normally, but when the access control controller fails or encounters an emergency such as fire, the indoor personnel must break the glass sheet of the dynamic switch connected in series with the power supply line of the access control electric lock to forcibly cut off the power supply of the access control electric lock line, in order to achieve the goal of emergency exit

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