61 results about "Manual fire alarm activation" patented technology

The invention relates to an emergency switch for an exercise apparatus having a housing, a safety plug and a microswitch. The safety plug passes through an insertion slot of the housing and is inwardly inserted to the inside of the housing for an electric connection by means of the contact of the distal end of an extension part of the safety plug to a contact key of the microswitch. Meanwhile, an electric disconnection is created when the safety plug is extracted. In addition, a cut-off button with a push rod is interposed between the safety plug and the microswitch. Besides, the cut-off button projects outwardly from the housing. When the cut-off button is pressed down, the push rod makes use of its slanting guide face to separate the safety plug from the contact key of the microswitch into a disconnection state.

The device has a microprocessor (822) controlling an electric drive to be protected into a safe condition during operation of an emergency switch, protective door switch and/or two-hand switch and during a faulty operation of the switching device or the electric drive. The microprocessor is implemented to determine whether a predetermined amplitude of an analog signal to be measured lies outside of a predetermined operating range. The microprocessor is a component of a safety device that is designed for multi-channel controlling of the electric drive. Independent claims are also included for the following: (1) a three phase power output stage for controlling a three phase motor (2) a reversal switching arrangement for a three phase power output stage (3) a measuring device for measuring a periodic analog signal (4) a safety-related device e.g. electric drive, comprising a measuring device (5) a method for measuring a periodic analog signal (6) a safety device for multi-channel controlling of a safety-related device.

The invention provides a stadium intelligent microscopic vehicle teaching device. According to the stadium intelligent microscopic vehicle teaching device, a vehicle body serves as a carrier, a vision sensor, a GPS and a laser radar are used for information collection and location, a power and steering driving system is used for performing the decision of a master processor, a feed-back system is used for feeding back current velocity information to a master controller, a man-machine interactive system is used for real-time online monitoring and managing current running status, a battery pack supplies power source, a communication device is used for monitoring and remotely managing the master controller, an emergency switch is used for emergency braking and stopping, the master processor is used for information fusion, scenario analysis and image processing and deciding and controlling the steering and power driving system, and meanwhile, an external emergency stopping instruction is prior received. The stadium intelligent microscopic vehicle teaching device is beneficial to teaching discussion study of unmanned vehicle technology, meanwhile, the national popularization of quality-oriented sport robot movement is facilitated, and the fusion of teaching and the quality-oriented sport is achieved.

The invention discloses an electric vehicle inter-vehicle direct current power transmission system, which comprises an electric power supply vehicle, an electric power receiving vehicle and a chargingcable, wherein the electric power supply vehicle comprises a man-machine interaction device, a discharge control device, a power battery, a discharge DC/DC, a discharge relay, a safety monitoring module, an auxiliary power relay, a storage battery, an output port and an emergency switch; the electric power receiving vehicle comprises a charging relay, a power battery, a charging controller and areceiving port; and the charging cable comprises a discharge connection port, a charging connection port and a transmission cable. According to the power transmission system, direct-current charging can be performed on different types of electric automobiles through the discharge DC/ DC; safety and energy monitoring is carried out on the whole power transmission process through the discharge control device, so that a safe and rapid electric vehicle inter-vehicle rescue is realized, and the problem of the residual mileage of the rescue vehicles and the rescued vehicles can be taken into consideration; the charging electric quantity can be coordinated; and convenience is brought to users.

Emergency lighting with a charging indicator circuitry comprises a power source module, a lighting circuit, a battery circuit, and an emergency switch circuit. The battery circuit includes charging indicator circuitry and a battery module; the power source module is connected with the battery module via the charging indicator circuitry. When the utility power is interrupted or a test switch is pressed, the light of the charging indicator circuitry goes out to indicate that the emergency lighting is in discharging status. When the utility power is supplied normally, if a battery within the battery module is in disconnected state, the light of the indicating circuitry goes out to indicate that the emergency lighting is in disconnected state. The charging indicator circuitry may be a simple light-emitting indicating circuit, has no need for much modification to the original circuit during manufacture and design, and may be simple and quickly-responsive.

The invention discloses a movable intelligent fire extinguishment and explosion suppression system for a gas station. The movable intelligent fire extinguishment and explosion suppression system comprises a crate, a fire extinguishment and explosion suppression system, a monitoring system and a power supply system, wherein the bottom of the crate is provided with universal wheels. The fire extinguishment and explosion suppression system, the monitoring system and the power supply system are fixedly arranged on the crate. The fire extinguishment and explosion suppression system comprises a controller, three flame detector sets, two explosion suppression device sets, an audible and visual alarm and an emergency switch. The power supply system comprises an explosion suppression and energy storage power box. The explosion suppression and energy storage power box is connected with the controller through a power control switch. The two power input ends of the explosion suppression and energy storage power box are provided with a solar cell panel and an external charging connector respectively. The power input end of the monitoring system is connected with the explosion suppression and energy storage power box. The movable intelligent fire extinguishment and explosion suppression system solves the problems that in the prior art, fire blankets and extinguishers are insufficient in number and unchangeable in placing position. The movable intelligent fire extinguishment and explosion suppression system is high in fire extinguishment efficiency.

A safety device for an aerial lift having a basket or cage with controls which permit an operator standing in the basket or cage to manoeuvre it. The safety device comprises a control module which is programmed to prevent movement of the basket or cage and activate an alarm by cutting electrical supply to a function enable switch and, if the electrical supply to the function enable switch cannot be cut, the control module is further programmed to prevent movement of the basket or cage and activate the alarm by operating an emergency switch to cut the electrical supply.

The invention discloses a high-voltage safety protection method and circuit of an electric vehicle as well as the corresponding electric vehicle. The high-voltage safety protection method of the electric vehicle comprises steps as follows: arranging a collision sensor and a manual emergency switch in a control circuit of the electric vehicle and executing following steps to provide high-voltage safety protection: S1, judging whether the collision sensor acts or not, if the collision sensor does not act, performing S2, and otherwise, performing S3; S2, judging whether the manual emergency switch acts or not, if the manual emergency switch acts, performing S4, and otherwise, performing S1; S3, opening a high-voltage loop and disabling a motor MCU (micro controller unit); S4, opening the high-voltage loop and disabling the motor MCU. With the adoption of the method and the circuit, the high-voltage loop can be opened quickly and automatically when the pure electric vehicle has an emergency, and harm caused by high voltage to human bodies and property is avoided.

The present invention discloses a power switch control circuit applied to a patrol robot. The second foot of a control interface P1 of a relay is grounded, the first foot of the control interface P1 of the relay is connected with the first foot of a switch interface P4; and the second foot and the third foot of the switch interface P4 are connected with a diode D3 through a resistor R3, and the fourth foot of the switch interface P4 is connected with a resistor R16 and is connected in series with a diode D4. The circuit is provided with emergency switch, starting switch, software control switch and switch state monitoring functions. The power switch control circuit applied to the patrol robot can normally control the power supply of the patrol robot, can control the on-off of the power supply through the software control port, can set the cut-off time at will, can notify a robot upper computer system of the switching state, and can turn off the power supply of the patrol robot in the emergency condition through the emergency switch so as to reach the purpose of the multiple insurance of the safe management of the robot.

The invention discloses a misoperation preventing device of an equipment emergency switch, relating to the field of power equipment. A technical problem that the easy misoperation of an equipment emergency switch causes a huge economic loss in the prior art is solved. The misoperation preventing device comprises an installation plate which is connected to the outer wall of equipment, the installation plate is connected with a protection cover, and the equipment emergency switch is in the protection cover. The misoperation preventing device is applied to the field of power equipment.

The invention provides a power-operated trolley, which comprises a frame, a steering axle, a storage battery box, an electronic control device, a driving motor, a steering device, a speed reduction box, a driving axle, a wheel assembly, an emergency braking device and a parking braking automatic control system, wherein the driving motor is provided with an electromagnetic brake, the driving axle is provided with a hydraulic brake, the emergency braking device comprises a fixing cross beam, a movable cross beam, emergency switches, springs and rotating handles, the number of the emergency switches, the springs and the rotating handles are respectively two, the two ends of the two rotating handles are respectively hinged to rotating handle hinges on the fixed cross beam and rotating handle hinges on the movable cross beam, and the connecting lines of four hinging points form a parallelogram. When the power-operated trolley is used for performing transporting operation with large carrying load, the energy consumption is low, the cost is low, driving braking and parking braking are effectively ensured through combined braking of hydraulic braking and electromagnetic braking, the safety performance is high, the specific parallelogram mechanism of the emergency braking device effectively ensures braking in emergency situations, and the safety of carried goods is effectively ensured.

The invention belongs to the technical field of heating equipment, and in particular relates to a novel heating device. The novel heating device is characterized in that the novel heating device comprises a base; a motor is arranged in the base; the motor is connected with a permanent magnet through a rotating shaft; a pressure sensor is arranged on the permanent magnet; a stage is arranged on the pressure sensor; an induction coil is arranged in the stage; a temperature sensor is arranged on the stage; a sealing chamber is arranged on the base; sliding doors are arranged on both sides of the sealing chamber; each sliding door is provided with a handle; a winding device is arranged at the top of the sealing chamber; a handle knob device is arranged on one side of the winding device; the winding device is connected with a stirring rotor through a nylon rope; the sealing chamber is made of transparent glass; the base is connected with a control panel through a connection rod; the control panel is provided with an operation lamp and a heating lamp; a display screen is arranged on the right side of the operation lamp; a power supply switch knob, a speed adjusting knob, a temperature adjusting knob and a timing knob are arranged on the right side of the display screen; and the base is provided with an alarm lamp and an emergency switch knob.

The invention relates to a vehicle safety automatic notification system including an anti-theft device, at least comprising: an emergency switch, a system accident sensing device or a vehicle accident sensing device, a control system, a control circuit, a GPS module, a wireless local area networks device Bluetooth module, and an intelligent cellphone of an owner is combined with the control system; and the control system is provided with an integrated circuit (IC), and the integrated circuit senses, calculates, analyzes and manages vehicle status measured by the emergency switch and the system accident sensing device or the vehicle accident sensing device, transmits the signal to the control circuit according to the program command, drives an engine circuit, a loudspeaker warning circuit, a GSM communication module, the GPS module and the wireless local area networks device Bluetooth module to operate via the control circuit, and sends the signal out via the intelligent cellphone or an intelligent mobile device of the vehicle user so as to notify traffic accidents or vehicle theft or vehicle running positions.

The invention relates to an emergency switch that includes a body (1) receiving a mobile member (3) capable of translation and capable, under the effect of an axial pressure through a mushroom member (2), of moving from an extended position into a retracted position, each of the positions being indexed by a blocking means capable of interaction with an extended position notch (33) and with a retracted position notch, the position change being managed by guide means, the body (1) fixedly including in the inside thereof a concentric bushing (4) in which the mobile member (3) is capable of axially moving and which comprises a portion of the guide means while the mobile member (3) comprises the other portion, wherein the blocking means is made in the shape of a piece of material (42) flexibly and elastically attached to the rest of the bushing (4) via a blade (43).

The present invention provides an apparatus and method for ensuring that a pass-by detector system is placed in “ready-to-alarm” mode when a subject carries a ferromagnetic threat, or an inanimate ferromagnetic object independent of a human subject passes within the physical zone designated for alarming to such a threat. A fail-safe alarm system consisting of dual detection systems solves the failure of motion-detection systems when confronted with non-heat producing ferromagnetic threat objects; and the failure of photo-beam detection systems when confronted with black, non-reflective clothing. Applications for the present invention include pre-MRI safety screening, as well as certain security protocols, such as banks, schools, prisons, and courthouses.

The invention relates to an accident emergency switch. The accident emergency switch is used for effectively solving the problem of inconvenience in exchanging a main board and rewiring a wire harness and also is capable of simply, conveniently and effectively solving the problem of manual automatic compatibility and accident autonomous emergency response of the vehicles at present. According to the technical scheme, the accident emergency switch comprises a switch shell and a control circuit arranged in the switch shell, wherein the control circuit comprises a silicon controlled rectifier, a universal crash sensor and a normally open switch; two pins of the normally open switch are respectively connected with an anode and a cathode of the silicon controlled rectifier; the two ends of the universal crash sensor are respectively connected with the anode and the cathode of the silicon controlled rectifier. According to the invention, the universal crash sensor, the silicon controlled rectifier and the normally open switch are smartly fused with each other, so that the full compatibility of manual, automatic and stable output and manual resetting can be achieved; the reliability of driving passive safety and auxiliary safety and the accident strain capacity can be extremely guaranteed and promoted; the happening of mass death and casualty accident can be effectively restrained; the social benefit is obvious; the accident emergency switch can efficiently, quickly, accurately, intelligently, stably and automatically dispose and respond to all the emergencies and can achieve multiple purposes.

The invention discloses a shared fitness chamber which comprises a chamber body, a chamber door, a fitness device, an emergency switch, a processor, a reminder and a determining key. The chamber dooris arranged on the chamber body, the fitness device is arranged in the chamber body, the emergency switch, the reminder and the determining key are in signal connection with the processor, the emergency switch is arranged on the outer side of the chamber body, and the reminder and the determining key are arranged on the inner side of the chamber body. After the locking time of the chamber door reaches first preset time, the processor transmits a first reminding signal, and the reminder executes the first reminding signal. When the emergency switch is compressed, the processor transmits a second reminding signal and transmits the second reminding signal every second preset time interval once if the determining key cannot be compressed by a body builder, and the chamber door is opened if theprocessor continuously and repeatedly transmits the second reminding signal and the determining key cannot be responded. The shared fitness chamber is high in safety, and the body builder can be timely rescued when the body of the body builder is abnormal.

The invention relates to the technical field of equipment used in medical Institutions, and specifically relates to a working method of an intelligent service terminal. The method comprises the following steps that S1, a baffle plate stretches out of the surface of an inclined surface platform when a press switch is pressed down; S2, a transmission mechanism drives a display screen at the top of a terminal body to reduce the brightness at first when the press switch is pressed down, and then drives the display screen to move towards a user; S3, a control module controls an air cylinder to start when the press switch is pressed down, and enables the air cylinder to drive the baffle plate to shrink in the inclined surface platform; S4, the control module controls the air cylinder to start when an emergency switch on a side surface of the terminal body during a button failure, and enables the air cylinder to drive the baffle plate to shrink in the inclined surface platform. The method can be used for the healthy people and the disabled on a wheelchair, and they can use it by themselves without a worker beside a terminal.