16 results about "Electric bell" patented technology

The pressure relief device of the liquid carbon dioxide storage tank comprises a storage tank, the upper surface of the storage tank is fixedly connected with a valve body, the bottom of the inner side face of the valve body is connected with a valve element in a sliding mode, and the upper surface of the valve element is fixedly connected with a spring. According to the pressure relief device of the liquid carbon dioxide storage tank, three groups of pressure relief pipes, a connecting rod, a supporting arm, an induction button and an electric bell are arranged, so that the pressure relief speed of the device is increased, the device can realize graded pressure relief, and the safety of the device can be improved; when the storage tank is decompressed, the other end of the supporting arm presses the sensing buttons, so that the electric bell gives out warning sound to remind a worker that the storage tank is decompressed and is careful, the electric bell can be provided with three warning sounds corresponding to the three sets of sensing buttons, the device can give out different warning sounds according to different levels of pressure relief speeds, the effect is better, and use is convenient.

The utility model relates to a kind of coal gas blower speed measurement early warning device in the technical field of equipment monitoring, to solve the problem that speed measurement early warning device is poor in anti-interference, leading to inaccurate measurement, and there is no early warning and the measures of the stop of coal gas blower.The device converts the speed of gear into electrical signal by three speed probes, reduces the signal interference of environment using shielding layer and protection device box, improves the anti-interference of detection equipment, shielding layer is connected with transmitter and safety barrier in protection device through cable, multiple safety barriers are connected with PLC controller, flash alarm and bell, when detecting abnormal speed, flash alarm will emit light and bell will alarm, when PLC controller receives at least two probe over-limit signals and lasts 1-3 seconds, PLC controller will send interlock parking signal, control coal gas blower to stop running, meet the demand of safe and accurate monitoring, reduce economic loss.

The application relates to the technical field of intelligent compact shelves, and discloses an intelligent compact shelf with initiative safety protection, which comprises a compact shelf body, a control module, a display screen, a pulley, a guide rail and a floor. The control module is fixedly installed at the top of the compact shelf body, the display screen is arranged on the front of the compact shelf body, the pulley is movably installed at the bottom of the compact shelf body, the inside of the guide rail is slidably connected with the bottom of the pulley, and the top of the floor is inlaidly installed with the guide rail. Through the arrangement of the horizontal detection assembly, when the compact shelf body slightly inclines during the operation of the pulley on the guide rail, the balance cylinder at the bottom of the receiving frame will be inclined, the inclination of the balance cylinder will pull the lead, and the electric bell will ring to warn that the compact shelf has the risk of falling, so that the compact shelf can be detected at any time, the effect of immediate early warning is achieved, and the staff is reminded to timely eliminate the risk and prevent the risk from occurring.

The present invention introduces an automatic loading system capable of switching aggregate varieties and a method for using the system, including a loading system and a logistics system; the loading system includes a finished product stacking shed, a double-layer rod valve, an electric fan valve, a feeding belt, a loading channel, a material distribution belt, a material distribution trolley, a truck scale, and a control cabinet; the logistics system is arranged at the loading channel, and the logistics system includes a control box, a sound system, an electric bell, a camera, a gate, a license plate recognition all-in-one machine, an LED screen, a traffic light, a laser radar, and a grating. The automatic loading system capable of switching aggregate varieties of the present invention and a method for using the system can realize multiple operation modes such as on-site, central control, and fully automatic; it automatically switches aggregate varieties, has a wide range of applications, does not require the driver to move the vehicle, improves loading and shipping efficiency, and has a good market prospect.

The utility model belongs to railway signal system technical field discloses a 6502 electric concentration voice alarm system mainly used to solve the problem that the existing bell fault alarm mode cannot quickly distinguish fault types and has low fault processing efficiency. The utility model prestores a plurality of customized voice alarm data based on different fault types in the voice control module. When the specific alarm relay in the 6502 electric concentration console is excited, the corresponding control relay of the alarm relay can be triggered to be excited synchronously, and then the corresponding control port in the voice control module is connected, so that the corresponding alarm voice broadcast is carried out through the voice power amplifier module and the loudspeaker. Compared with the traditional bell alarm mode, the system does not need technical personnel to check the console indicator light on site, and the voice directly broadcast fault type can effectively improve the fault identification efficiency, and also enable the technical personnel to instantly identify the core problem in the multiple fault concurrent scene, and significantly improve the emergency disposal efficiency.

The utility model discloses a 3D printing platform stripping structure which comprises a printing platform and an inner groove, the printing platform is provided with a stripping assembly, the stripping assembly comprises a movable plate and a groove, the inner side of the inner groove is provided with a lifting assembly, the lifting assembly comprises a motor and a lead screw, the inner side of the groove is provided with a connecting assembly, and the connecting assembly is connected with the movable plate. The connecting assembly comprises a screw sleeve and a clamping groove, a locking assembly is installed on the inner side of the clamping groove, and the locking assembly comprises a clamping pin and a spring. According to the stripping structure of the 3D printing platform, the movable plates can move downwards one by one, the force applied to products by stripping operation is reduced, the products are prevented from being damaged due to too large stress, and the safety of the products is guaranteed; and when the downward pulling force of the clamping pin on the movable plate through the clamping opening under the elastic force of the spring is not enough to overcome the adhesive force of the movable plate and the product, the electric bell is turned on, so that personnel are reminded to assist in stripping, the working safety of stripping equipment is guaranteed, and the device is suitable for stripping operation of the 3D printing platform.

The utility model discloses an electrical automation equipment fault alarm device, relates to the electrical equipment field, and comprises a heat dissipation rack and a controller, the middle part of the heat dissipation rack is provided with a ventilation slot in a penetrating manner, the ventilation slot is internally provided with an exhaust fan used for heat dissipation, one side of the heat dissipation rack is provided with a vertical rod, and the vertical rod is provided with a through hole. And a positioning structure for adjusting the height position of the vertical rod is arranged on the side wall of the heat dissipation frame. A vertical rod is pulled up to drive an alarm bell to rise to a proper height, then a sound amplification cover is rotated to enable an opening of the sound amplification cover to face a personnel frequently-waiting area, after the internal temperature of the electrical equipment is increased to a heat dissipation preset value, a controller controls an exhaust fan to rotate to dissipate heat and drives hot air in the electrical equipment to be exhausted, and after the internal temperature is increased to an alarm preset value, the controller controls the exhaust fan to rotate to dissipate heat. The controller controls the alarm electric bell to give an alarm ringtone, the ringtone is spread towards a specified direction through the sound amplifying cover to give an alarm, effective heat dissipation can be achieved, directional high-pitch alarm can be achieved, and multifunctional use of the device is achieved.

1. The name of this design product: explosion-proof electric bell. 2. Purpose of this design product: used to sound an alarm in explosive environments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a marine alarm bell, and specifically relates to the technical field of marine alarm bells, the marine alarm bell comprises an external impact type electric bell assembly, the bottom end of the external impact type electric bell assembly is provided with a cast iron assembly, the cast iron assembly comprises knocking cast iron, and the center of the front surface of the knocking cast iron is rotatably inserted with a rotating shaft; the marine alarm bell can regularly clean a shell knocking cast iron by controlling the sleeving scraper to rotate, so that a rust layer is prevented from being formed on the outer surface of the knocking cast iron in a humid and salt mist environment on the sea, the situation that the outer surface of the knocking cast iron is corroded is further avoided, and when the knocking hammer strikes the knocking cast iron, the sound made by the knocking hammer is always clear, and the service life of the knocking hammer is prolonged. And meanwhile, when the sleeving scraping plate rotates, the conveying pipe and the atomization spray head can be driven to rotate, the atomization spray head is opened, the atomization spray head can spray an anti-rust agent to the outer surface of the knocking face of the cast iron assembly in an all-around mode when rotating, and knocking cast iron can adapt to the high-humidity and high-salt-mist environment.

1. The name of the design product: carbon dioxide indicating lamp bell. 2. The use of the design product: used as a carbon dioxide indicating lamp alarm bell device for ships. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a dry quenching circulating fan safety state monitoring and early warning device and an early warning method thereof, belongs to the field of dry quenching circulating fans, and is characterized in that a first vertical vibration speed sensor, a first horizontal vibration speed sensor and a first axial vibration speed sensor are arranged at a non-load end of the circulating fan and connected to a controller; a second vertical vibration speed sensor, a second horizontal vibration speed sensor and a second axial vibration speed sensor are arranged at a load end of the circulating fan and connected to the controller; the controller is connected with a flashing alarm, the input end of the flashing alarm is connected with a corresponding alarm loop of the controller, and the output end of the flashing alarm is connected with a bell, a confirmation button, a pilot lamp button and a test button respectively. The application adopts a multi-channel array combination structure to install the flashing alarm to form a light-emitting matrix alarm system, when a certain parameter exceeds a limit, a corresponding loop can send out flashing and audible alarms. Moreover, the application can provide alarms caused by simultaneous exceeding of several process parameters.

The utility model relates to the technical field of radiation dose, in particular to a radiation dose protection instrument with an alarm function, which comprises a frame body assembly, the frame body assembly comprises a shell, sound holes are respectively arranged on two sides of the shell, the sound holes are used for transmitting sound and preventing skid, one end of the outer surface of the shell is fixedly connected with a mounting seat, and the mounting seat is fixedly connected with the shell. A detection assembly is fixedly connected into the shell and comprises a knocking alarm which is used for reminding a user to pay attention, the installation base is in threaded connection with a Geiger pipe, the Geiger pipe is externally arranged and directly makes contact with air, and the other end of the installation base is electrically connected with a signal amplifier which is used for amplifying electric signals input by the Geiger pipe. According to the radiation dose protection instrument with the alarm function, the electric bell can give out loud and unique sound, compared with sound of a common buzzer and the like, the volume and the tone of the electric bell can more easily attract attention of people, a good warning effect can be achieved in a noisy environment, and the sound production structure of the electric bell is relatively simple and stable.

The utility model discloses a pendant type electric bell seismograph, which comprises a shell and an electric bell assembly, the top and the bottom of the shell are respectively covered with an upper cover and a lower cover, the top and the bottom of one side of the shell are respectively provided with a fixed support, and the top and the bottom of the interior of the shell are respectively provided with an upper insulating ring and a lower insulating ring. The two sides of the top of the upper insulating ring are both provided with first wiring piles, the middle position of the top of the lower insulating ring is provided with a conductor embedded part, one side of the top of the lower insulating ring is provided with a second wiring pile, and the top of the second wiring pile and the tops of the first wiring piles are jointly connected with an outgoing wire. The pendant type electric bell seismograph is small and exquisite in overall structure, suitable for household use and convenient to install, can be installed on a wall body and can also be buried underground for use, an integrated dual-purpose installation method is achieved, and convenience and flexibility of installation and use of the pendant type electric bell seismograph are improved.

1. Name of the product of this design: Electric bell. 2. Purpose of this design product: teaching aid for physics experiments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses an electronic fence acousto-optic voice alarm system in the field of safety protection. The electronic fence acousto-optic voice alarm system comprises an outer-layer alarm system and an inner-layer alarm system. And the outer layer alarm system comprises a plurality of groups of first infrared correlation alarms and second infrared correlation alarms which are configured in pairs, and infrared beams emitted by the first infrared correlation alarms and the second infrared correlation alarms are mutually correlated to form an electronic barrier. The electronic barriers are connected end to end to define an operation area, and an inner-layer alarm system is arranged in the center of the operation area. The inner layer alarm system comprises a control cabinet, an acousto-optic voice prompter and an electric bell. The acousto-optic voice prompter and the electric bell are both electrically connected with the control cabinet. According to the utility model, the outer-layer alarm system and the inner-layer alarm system are arranged, so that the alarm effect is improved, and the alarm information transmission efficiency is high.

The utility model relates to the technical field of clothes hanging, in particular to a clothes hanging rhythm balanced and synchronous production device which comprises a main track, a plurality of idler wheels are connected to the main track in a sliding mode, a movable frame is fixedly connected to the idler wheels, and a transfer frame used for transferring clothes is fixedly connected to the movable frame. A plurality of operation tables used for machining and a rhythm assembly used for prompting synchronous production are arranged on one side of the main track. According to the utility model, the beat assembly is arranged to standardize the processing task by setting reasonable standard time in the processing production, and the electric bell is started after the second reading device reaches the appointed time, so that the processing personnel is prompted to stop working and press the touch switch, and the conveying frame on the auxiliary track is started; the conveying frame conveys the processed clothes to the transferring frame on the main rail through the clothes bag, the transferring frame is driven by the moving frame to move on the main rail, and the clothes bag is transferred to the next processing point and moved to the operation table again through the conveying frame to be processed.