17results about How to "Realize the alarm function" patented technology

The utility model provides a broken wire detection device of a multi-wire cutting machine, which relates to the technical field of multi-wire cutting machines and comprises a mounting frame, a sliding groove is formed in the front surface of the mounting frame, a sliding block is connected in the sliding groove in a sliding manner, a mounting seat is arranged on one side, far away from the sliding groove, of the sliding block, and a fixing plate is arranged on the front surface of the mounting frame and close to the left side. A telescopic rod is arranged between the fixing plate and the mounting base, the periphery of the telescopic rod is sleeved with a spring, a pressing block is mounted on the right side of the mounting base, a mounting plate is arranged at the position, close to the right side, of the front face of the mounting frame, and an alarm button is arranged on the side, corresponding to the pressing block, of the mounting plate; compared with an existing broken wire detection device of the multi-wire cutting machine, the broken wire detection device of the multi-wire cutting machine can directly give an alarm when the metal wire is broken, and the alarm speed and practicability of the broken wire detection device of the multi-wire cutting machine when the metal wire is broken are improved.

The utility model relates to a battery cell assembly and electronic equipment, the battery cell assembly comprises a battery cell shell, a battery cell and an early warning circuit, the early warning circuit is located in the battery cell shell, the battery cell shell is further provided with a battery cell accommodating cavity, the battery cell accommodating cavity is used for placing the battery cell, and the early warning circuit is used for being connected with the placed battery cell. The first connector is selectively in a first connection state or a second connection state; when the battery cell is placed in the battery cell containing cavity in the first direction, the battery cell is connected to the early warning circuit, the early warning circuit is in a first connection state, and an early warning prompt is given out. And when the battery cell is placed in the battery cell accommodating cavity along a second direction, the early warning circuit is in a second connection state and does not give out an early warning prompt, and the first direction is opposite to the second direction. According to the invention, automatic detection and alarm functions can be realized when the battery cell is reversely inserted, so that the safety and accuracy of battery cell installation are improved, the situation that normal operation of the electronic equipment is influenced or even the electronic equipment is damaged due to wrong installation of the battery cell can be effectively prevented, and meanwhile, the use safety of the electronic equipment can be improved.

The utility model discloses an embodiment of a kind of steel wire rope strand detection device, including strand receiving piece, guide piece, mounting seat, limit sheet, monitoring rod and strand detector.Strand receiving piece is used to contact and transmit the force generated when steel wire rope strand passes;Guide piece is fixedly connected with it and passes through mounting seat, and end connects limit sheet;Monitoring rod is arranged in parallel with guide piece on limit sheet;Strand detector is used to detect the position change of monitoring rod.The device monitors the state of lifting steel wire rope in real time, triggers alarm as soon as strand occurs, can effectively prevent steel wire rope fracture and stacker goods falling accident, guarantee safety production.

This utility model discloses a diaphragm rupture alarm device for a diaphragm metering pump, relating to the field of diaphragm rupture alarm technology. The device includes a pressure gauge connected to the first end of a tee via a first double-threaded nut. The second end of the tee is connected to a venting and draining assembly. The third end of the tee is connected to a valve guide sleeve via a second double-threaded nut. The valve guide sleeve has a valve ball guide hole that communicates with the interior of the tee. The valve guide sleeve is connected to an air / liquid inlet assembly, which is connected to the diaphragm metering pump. This invention solves the problem that existing pressure gauge-type alarm devices are inconvenient for implementing venting and draining functions.

The utility model discloses a novel electronic fence in the technical field of electronic fences, which comprises a support column, a first fixing frame and a second fixing frame, a PLC (programmable logic controller) is fixedly mounted on the inner side of a control box, the PLC is electrically connected with a current sensor, an alarm is fixedly mounted on the top of the control box, and the alarm is electrically connected with the PLC. The PLC controller is electrically connected with the alarm, and through the arrangement of the control box, the power supply, the current sensor, the PLC controller, the alarm, the tension sensor, the connecting line and the collision sensor, when a lawbreaker cuts off the high-voltage line, the current sensor transmits a signal to the interior of the PLC controller after automatically sensing, so that the lawbreaker can cut off the high-voltage line; then the alarm is started to realize an alarm function; when a lawbreaker climbs over the upper end of the device, the tension sensor can generate induction when the protective net is pulled, and the tension sensor transmits a signal to the PLC to automatically start the alarm as well.

The invention discloses a unit type curtain wall intelligent control system, and belongs to the field of control systems, the unit type curtain wall intelligent control system comprises a sensor module, a control module, an execution module, a user module and a power supply module, the sensor module comprises a temperature sensor, a humidity sensor, an illumination sensor, a wind speed sensor, a raindrop sensor and a glass fragment detector; the control module comprises a central controller, an algorithm module and a communication module, the execution module comprises a driving mechanism, a transmission mechanism and an execution mechanism, the user module comprises a touch screen, a remote controller and a mobile phone APP, and the power supply module comprises a main power supply and a standby power supply. According to the unit type curtain wall intelligent control system, through cooperative work of the sensor module, the control module, the execution module, the user module and the power supply module, intelligent control and management of the curtain wall are achieved, and the humidity, temperature, light, air quality and the like of the curtain wall can be monitored, regulated and controlled in real time through the intelligent control mode; and the energy-saving effect and the comfort degree of the curtain wall are improved.

The invention relates to the field of online monitoring instruments for insulation resistance of wind power generators, and discloses an online monitoring instrument for insulation resistance of wind power generators, comprising a first detection voltage output port and a second detection voltage output port respectively connected to a stator winding and a rotor winding of a generator, wherein the first detection voltage output port is connected to a first relay, and a normally open contact of the first relay is grounded. The scheme also provides an online detection method for insulation resistance of a wind power generator. The online monitoring instrument for insulation of a wind power generator of the invention is used in conjunction with a wind power generator, and can respectively detect three groups of insulation resistance value parameters, namely, insulation resistance value of a stator winding to ground, insulation resistance value of a rotor winding to ground, and insulation resistance value between a stator and a rotor.

The utility model belongs to the technical field of ultrafiltration energy-saving devices, and particularly relates to an ultrafiltration energy-saving device broken belt detection device which comprises a base, a sleeve is fixedly connected to the interior of the base, a sliding rod is slidably connected to the interior of the sleeve, a mounting plate is fixedly connected to the upper end of the sliding rod, a limiting ring is fixedly connected to the interior of the sleeve, and the limiting ring is fixedly connected to the interior of the base. The limiting ring is slidably connected with the sliding rod, a spring is arranged in the sleeve, the lower end of the base makes contact with an alarm, and a button is arranged at the upper end of the alarm. According to the utility model, the alarm function is realized by additionally arranging the alarm. Meanwhile, the guide wheel, the spring and other components are arranged, when the belt is broken, the spring can drive the guide wheel to trigger an alarm button, and the alarm rapidly gives an alarm. Therefore, the breakage condition of the belt can be perceived at the first time, and the problem that normal operation of the ultrafiltration energy-saving device is affected due to the fact that the driving belt is prone to breakage is effectively solved.

The utility model relates to the technical field of heat supply devices, and discloses a heat supply energy-saving multi-mode heat supply device which comprises a heat supply device body, a multi-channel valve is arranged in the heat supply device body, a first heat pipe is fixedly installed at one end of the multi-channel valve, and a second heat pipe is fixedly installed at the other end of the multi-channel valve. Connecting pipes are arranged on the two sides of the heat supply device. Through the arrangement of the multi-channel valve and the two groups of heat pipes in the heat supply device, a worker can respectively or simultaneously supply heat through the first heat pipe and the second heat pipe, so that the heat supply is energy-saving, and the steam can flow in the pipeline when the steam flows in the pipeline. The gas tightness between the circulating pipe and the connecting pipe is detected in real time by sealing the pipeline joint through the rubber protective sleeve, when the pipeline joint is abraded and leaks gas, the gas can enable the alarm to give out whistling sound through the alarm, the alarm function is achieved, and workers can be prevented from being scalded while maintenance is provided for the workers.

The utility model provides a bicycle tire pressure LED electronic monitor, which relates to the bicycle tire pressure monitoring technical field, and comprises a housing main body, a mounting cavity is arranged in the housing main body and close to the right side, a rubber diaphragm is arranged in the mounting cavity and close to the top, the bottom in the mounting cavity is in threaded connection with a second housing, and the second housing is in threaded connection with the mounting cavity. A sleeve shell is arranged at the position, close to the top, in the second shell, a limiting contact ring is arranged on the outer side of the sleeve shell, a conductive block is further arranged in the sleeve shell, limiting contact blocks are further arranged on the two sides of the conductive block, and when the tire pressure of a bicycle tire is insufficient, the conductive block can make contact with the limiting contact ring under the action of a compression spring, so that the conductive block is in contact with the limiting contact ring; and the lamp bead flickering structure can form a closed circuit with the conductive block, the limiting contact ring and the second shell, so that the lamp bead flickering structure can flicker to give an alarm after being electrified, the warning effect is further achieved, and the automatic monitoring and alarming functions are achieved.

The automatic conveying device comprises four sets of monitoring cameras and a deviation switch, the first set of monitoring cameras are installed above the head of a belt, the two sets of monitoring cameras in the middle are installed above the middle turning position of the belt, and the deviation switch is installed above the middle turning position of the belt. And the fourth group of monitoring cameras are arranged above the tail part of the belt. Two groups of the deviation switches are arranged on two sides of the unfolding section of the working surface of the machine head belt, and the other two groups of the deviation switches are arranged on two sides of the unfolding section of the non-working surface of the machine tail belt. The invention relates to the field of monitoring of tubular belt conveyors, in particular to equipment and a method applied to online fault monitoring of a tubular belt conveyor.

The utility model relates to a rail cab apron which comprises a main body frame, an anti-skid panel embedded in the main body frame and fixed bottom corners arranged at the four corners of the bottom of the main body frame. The main body frame is a rectangular frame formed by welding hollow profiles on four sides, and a supporting beam is arranged in the rectangular frame; a clamping groove is formed in the upper end of each fixed bottom corner, and the section bars at the four corners of the main body frame are clamped to the fixed bottom corners; a fixed connecting part is arranged at the outer end of the lower part of each fixed bottom corner, and the fixed connecting parts are connected with a rail steel rail through fasteners; lighting, alarming and protecting units are arranged on the peripheral side walls outside the main body frame; the rail cab apron solves the problem that a sight blind area is generated during operation of a traditional cab apron, the operation condition of personnel above the cab apron and the operation condition of personnel at the bottom of a pit can be visually observed, and potential safety hazards generated during cross operation are prevented; compared with an existing cab apron, the service life is prolonged, the operation safety coefficient is improved, the personnel operation risk is reduced, and the operation security function is fundamentally achieved.

The invention provides a self-powered building vibration sensing system based on a triboelectric nano-generator and a synaptic transistor. The self-powered building vibration sensing system comprises the triboelectric nano-generator, the organic field effect synaptic transistor and an LED lamp. The triboelectric nano-generator is of a sandwich structure and sequentially comprises a friction layer, an electrode and a packaging layer from top to bottom. The organic field effect synapse transistor is composed of a substrate with an insulating layer, an active layer and a top electrode from bottom to top. The LED lamp is connected with the source electrode and the drain electrode of the top electrode of the organic field effect synapse transistor; detecting a vibration signal generated by the building structure by using the triboelectric nano generator, and converting the vibration signal into an electric signal; a synapse transistor is used for processing the electric signal, simulating the function of a biological synapse, and processing and evaluating the vibration signal; the LED lamp generates a light signal when the output response of the synaptic device exceeds a preset threshold.

The utility model discloses a child monitoring bracelet with an alarm function, which comprises a child monitoring bracelet main body, a heart rate sensor is mounted in the child monitoring bracelet main body, and a single chip microcomputer is mounted in the child monitoring bracelet main body on one side of the heart rate sensor. A wireless transmitter is installed on one side of the top end of the child monitoring bracelet body, and a first connecting belt is installed on one side of the child monitoring bracelet body. Under the action of the two limiting sleeves, the two sides of the first connecting band and the two sides of the second connecting band can be limited with the two sides of the wrist, and due to the special structural characteristics of the limiting sleeves, the child monitoring bracelet body is prevented from deviating left and right on the wrist, so that the wearing stability of the child monitoring bracelet body is guaranteed, and the safety of the child monitoring bracelet body is improved. And under the action of the air bag, the situation that the inner side of the limiting sleeve can be attached to wrists with different thicknesses to be worn is avoided.

The invention discloses a hoisting system with a safety protection function, and relates to the technical field of cranes. A mechanical alarm mechanism and an electronic alarm mechanism are integrated, and accurate alarm of the goods falling position is achieved through the multi-layer force conduction design of beam frame detection, rack transmission, friction column permanent magnet capture and the like. The system has an independent power generation function and can still send out an alarm signal under the condition of no power support; meanwhile, sensitivity and safety are improved through slow pressure sensing and a dynamic isolation structure. The multi-point loudspeaker volume control technology provides accurate escape guidance for constructors, construction risks are reduced fundamentally, and remarkable practicability and innovative significance are achieved.

The utility model discloses a vending truck side door control system and a vending truck. Warning is conducted when a side door is not closed in place. The system comprises an automatic side door opening and closing mechanism which takes a first control unit as a core control unit, automatically controls opening and closing of a side door according to user operation, and further comprises a second control unit, a first alarm, a second alarm, a vehicle-mounted power supply and a side door state sensor, the side door state sensor is used for detecting whether the side door is closed in place, and the output end is connected with the input ends of the two control units; the output end of the first control unit is connected with a first alarm; the output end of the second control unit is connected with a second alarm; the power supply end of the first control unit is connected with the ignition switch, and is electrified and started only when the ignition switch is in an ACC gear or a LOCK gear; the power supply end of the second control unit is connected with a vehicle-mounted power supply; the enabling end of the second control unit is connected with the power supply end of the first control unit, and the second control unit is enabled only under the condition that the first control unit loses power.

The invention discloses a safety control device for nursing infusion, and relates to the technical field of medical instruments. Comprising a supporting cylinder, a cylinder cover is movably arranged on the top of the supporting cylinder, a containing groove is formed in the supporting cylinder, a large-diameter needle head is arranged in the containing groove, an infusion tube is arranged at the bottom of the large-diameter needle head, and the end, away from the large-diameter needle head, of the infusion tube penetrates through the interior of the supporting cylinder and extends to the bottom of the outer wall of the supporting cylinder. And a mounting seat is fixedly arranged on one side of the supporting cylinder. By arranging the audible and visual alarm, when the pressure is smaller than a certain set value, a gravity sensor can transmit a signal to the controller, the controller controls the electric push rod to push the extrusion plate to move, infusion is stopped, safety is enhanced, meanwhile, the audible and visual alarm is controlled to conduct flashing buzzing alarm, medical staff and patients pay attention, and the medical staff and the patients are prevented from being injured. The medical staff can be reminded to timely replace the infusion bottle, so that the alarm function is realized.