136 results about "Electric bell" patented technology

The invention discloses a portable adhesive tape high-temperature permanent adhesion testing device. The device is characterized by consisting of a bracket, an electric heating phase change type constant-temperature test box group, a weight, a base, a button switch, an alarm light and an alarm electric bell. The device is simple in structure and convenient to operate, and the permanent adhesion of a pressure sensitive tape at different temperatures can be tested. The pressure sensitive tape has the practical application prospect in the aspects of production and detection. The invention also discloses a working principle of the portable adhesive tape high-temperature permanent adhesion testing device.

The invention provides a ground cover plant planting box with the automatic irrigation function, and belongs to the field of planting. The planting box comprises an electric bell and a box body, wherein a planting plate is arranged in the box body and provided with a plurality of planting grooves, an irrigation plate is arranged between the planting plate and the open end of the box body, and the positions, corresponding to the planting grooves, of the irrigation plate are provided with irrigation holes which penetrate through the two sides of the irrigation plate; a plurality of water pumps are arranged outside the box body; each water pump comprises a pump body, a water inlet and a water outlet, wherein the water inlet and the water outlet are communicated with the pump body; a water storage cavity is formed between the planting plate and the bottom of the box body, the water inlets of the water pumps are communicated with the water storage cavity, and the water outlets of the water pumps stretch into the portion between the open end of the box body and the irrigation plate; humidity sensors are arranged at the bottoms in a part of the planting grooves and connected with the water pumps through circuits; a water level sensor is fixedly connected with the bottom end on the inner wall of the water storage cavity and connected with the electric bell through a circuit. The planting box has the advantages of having the automatic irrigation function, saving labor and time and being convenient to carry and the like.

The invention provides a plant cultivation box and belongs to the field of plantation. The cultivation box comprises an electric bell and a box body. A planting plate is arranged in the box body. A plurality of planting grooves are formed in the planting plate. A watering plate is arranged between the planting plate and the open end of the box body. The portions, corresponding to the planting grooves, of the watering plate are provided with watering holes penetrating through the two sides of the watering plate. A plurality of water pumps are arranged outside the box body. Each water pump comprises a pump body, a water inlet and a water outlet, wherein the water inlet and the water outlet are communicated with the pump body. A water storing cavity is formed between the planting plate and the bottom of the box body. The water inlet of each water pump is communicated with the water storing cavity. The water outlet of each water pump extends to the portion between the open end of the box body and the watering plate. Humidity sensors are arranged in some planting grooves and on the bottoms of some planting grooves. The humidity sensors are connected with the water pumps through circuits. The bottom end of the inner wall of the water storing cavity is fixedly connected with a water level sensor connected with the electric bell through the circuits. The cultivation box has the advantages of having the automatic watering function, saving time and labor, and being convenient to carry.

The invention relates to a door control system, which comprises a theft-proof door, and an electric bell and an electronic code theft-proof lock which are arranged on the theft-proof door. The door control system also comprises a remote control terminal and a household computer containing a Bluetooth adapter; the remote control terminal is connected with the household computer through a wire or wireless network; the theft-proof door is provided with a singlechip and the Bluetooth adapter; and the Bluetooth adapter and the electric bell are electrically connected with the electric bell respectively. The door control system has the advantages that the system is convenient to use, monitors the theft-proof door in real time, and improves the safety performance of the theft-proof door.

The invention relates to a protective device for an on-line discharge capacity test of a storage battery and a testing method thereof. The protective device mainly consists of two high power diodes and an acoustooptical alarm circuit, wherein the two high power diodes are connected on an outlet fuse in parallel; the acoustooptical alarm circuit mainly comprises a comparator, a relay, an electric bell, an LED and the like. When being normal in a DC power supply system, the storage battery of a transformer substation is in a float charging state; and when a charging device stops working, the storage battery can automatically and continuously supply power for a DC load. Meanwhile, the invention discloses a method for on-line testing the discharge capacity of the storage battery by adopting the protective device. The invention is safe and reliable in the on-line monitoring function for the storage battery, thus avoiding the accident risk to some extent.

The invention provides an automatic monitoring and warming system for nuclear power plant concrete structure sediment, belonging to the technical field of the nuclear power plant infrastructure construction. The system comprises a plurality of monitor sensing devices and a warning control cabinet. Each monitor sensing device comprises a fixed part and a moving part, wherein the fixed part is a microstroke switch, and the moving part is a sinker bar mounted on the top plate of the gallery. The distance between the end part of the sinker bar and the contact of the microstroke switch is equal to the sediment warning value of the gallery top plate. The contact of the microstroke switch is serially connected with the coil of a corresponding intermediate relay and connected with a power circuit. The normally open contact of the intermediate relay is respectively connected with the electric bell and the corresponding signal lamps in serial and connected in the power circuit. In construction, when the sediment of any monitoring point reaches a set early warning value, the warning control cabinet will automatically displays the audible alarm, and the position of the monitor point which reaches the early warning value is indicated via the signal lamp, so that a construction commander can rapidly understand the monitor condition and start the corresponding handle plan, to ensure the construction safety.

An electrical back box of galvanized metal or plastic with a barrier mounted in its interior. This barrier is the support for a low voltage transformer and the means of separating the low and high voltage wiring chambers. Knockouts provide access into these tow chambers for the required electrical wires. Retainer slots located in the interior of the box at the mounting end and at the opposite end provide and insertion point for wire springs. These wire springs are attached to a chime or any type of equipment that may utilize this backbox. When thrust into the retention slots, these springs provide a pulling force that snug the equipment up to the opening of the box. When this back box and transformer are used only for a source of low voltage power then there are two different types of covers that will cover the opening either flush or surface mounted and these make it electrically safe. These covers are mounted by the same wire springs method and are of plastic. When a metal cover is required then it will be supplied with a means of bonding to the equipment ground in the box thus providing electrical fault protection. When different size transformers are needed they can be mounted to the removable barrier but will require the mounting hole in the barrier to be individually sized.

The invention relates to the technical field of medical instruments, in particular to an automatic alarming hepatobiliary surgery drainage device. The device comprises a fixing supporting structure, adrainage tube, a liquid accumulating barrel, a negative pressure generation device and an alarming component, wherein a supporting sleeve is arranged on a supporting cross rod; a drainage tube sleeveis arranged at the top end of a drainage tube telescopic supporting frame; a detention tube is connected with the drainage tube through a medical connector; the drainage tube passes the drainage tubesleeve; one end of a negative pressure tube is connected with the liquid accumulating barrel, and the other end is connected with a syringe through a negative pressure pipe connector; the alarming component comprises a floating block, a floating iron sheet, two fixed iron sheets, a battery and an electric bell; one fixed iron sheet is electrically connected with one pole of the battery; the otherfixed iron sheet is electrically connected with the electric bell; and the electric bell is electrically connected with the other pole of the battery. The device is reasonable in structural design, ensures that the position of the drainage tube can be adjusted and fixed at will and all components are convenient to disconnect and connect, can automatically give an alarm after being full of liquid,and is simple in structure, low in cost, convenient to operate, convenient and practical.

The invention discloses a smart home management system, and the system comprises a vibration sensor, a gate magnetic and window magnetic sensor, an infrared sensor, a smoke sensor, a temperature sensor, a smoke sensor, a flow sensor, a pressure sensor, a first signal processing circuit, a second signal processing circuit, a third signal processing circuit, a power carrier communication circuit, a microprocessor, a keyboard, a camera, a drive circuit, a relay, an electric bell, a display, a wireless communication module, a mobile terminal, a voice alarm circuit, and an Ethernet interface. The mobile terminal is provided with a smart home management APP. The interior of the mobile terminal is provided with a charging circuit, and the charging circuit comprises a first triode, a second triode, a third triode, a first operational amplifier, a second operational amplifier, a first voltage-stabilizing tube, a second diode, a third diode, a fourth diode, a fifth diode, first to tenth resistors, a first potentiometer, a second potentiometer, first to sixth electrolytic capacitors, a seventh capacitor, an eighth capacitor and a ninth capacitor. The system has many functions, can achieve the remote monitoring and querying of the home safety condition at any time and places, and improves the safety and reliability of the circuit.

The invention relates to the technical field of aluminum electrolysis and particularly relates to an automatic material blending control device for an aluminum electrolytic bath. The automatic material blending control device comprises a cart locating proximity switch, a main trolley locating proximity switch, a material blending locating proximity switch, a cart locating indicator, a main trolley locating indicator, a material blending locating indicator, an aviation plug, a cart locating indication lamp, a main trolley locating indication lamp, a material blending locating indication lamp, a first material level indication lamp, a second material level indication lamp, a first material level gage, a second material level gage and an electric bell. The automatic material blending control device for the aluminum electrolytic bath has the advantages that the problems of automatic multifunctional crane cart locating, automatic main trolley aluminum oxide silo locating, automatic material blending process control, automatic material level monitoring and the like are solved, so that an automatic multifunctional crane material blending control process for aluminum electrolysis is realized; the automaticity and reliability of locating are realized; the automatic material blending process control is realized; the automatic material level indication and alarming of a crane silo are realized; and the labor intensity of operating workers is reduced, and the production cost is lowered.

The invention discloses a smart home security and protection system, and the system comprises a vibration sensor, a gate magnetic and window magnetic sensor, an infrared sensor, a smoke sensor, a temperature sensor, a smoke sensor, a flow sensor, a pressure sensor, a first signal processing circuit, a second signal processing circuit, a third signal processing circuit, a power carrier communication circuit, a microprocessor, a keyboard, a camera, a drive circuit, a relay, an electric bell, a display, a wireless communication module, a mobile terminal, a voice alarm circuit, and an Ethernet interface. The mobile terminal is provided with a smart home security and protection APP. The drive circuit comprises a triode, a rectification diode, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first capacitor, a second capacitor, and a power supply. The system has many functions, can achieve the remote monitoring and querying of the home safety condition at any time and places, and improves the safety and reliability of the circuit.

The invention relates to an automatic emergency braking and warning device of an escalator and belongs to the technical field of lift braking. The automatic emergency braking and warning device comprises an automatic emergency braking device and a warning device. The automatic emergency braking device comprises a braking device power source, a braking device switch, a photosensitive resistor, a solenoid, an iron core, a laser light, and a transverter. The braking device power source, the braking device switch, the photosensitive resistor and the solenoid form a series circuit. The iron core islocated in the solenoid and the transverter is located under the iron core. The transverter is separated from the iron core during working and is in contact with the iron core during braking. The warning device comprises a warning light and an electric bell. The warning light is connected with the electric bell in series and is connected with the automatic emergency braking device in parallel. The automatic emergency braking and warning device of the escalator combines the principles of the photosensitive resistor and an electromagnet to conduct emergency braking on the escalator, is simple in structure, convenient to install, and has a wide application range; the condition that accidents happen to children at the two ends of the escalator is avoided, and the elevator can automatically brake and warn when accidents occur.

The invention discloses a gate tilt measurement and control system, which comprises a gate (1), a gate slot (2) adapted to the gate, a gate opening and closing device (3), a gate control circuit (4) and a computer remote monitoring system ( 5), the gate opening and closing device includes a steel wire rope (301) and a hoist (302). The electrical circuit of the measurement and control device (7). The computer remote monitoring system includes the first warning signal light, the second warning signal light and the alarm bell. , return circuit, power supply unit (8) and ground terminal. The invention adopts the gate inclination measurement and control system to monitor the inclination condition of the gate, and realizes alarming and effective control before the gate is stuck.

The invention provides an intelligent control system for the thermal keying installation of a large hydraulic generator rotor rim, capable of automatically executing the heating process stipulation and enabling the installation process of thermal keying to be fully automatic. The thermal keying installation of the large hydraulic generator rotor rim includes a heat retaining housing, a rim assembly, rim keys and a rotor ally arm component, wherein the heat retaining housing is connected with the rim assembly which is connected with the rim keys, and the rim keys are connected with the rotor ally arm component. The intelligent control system comprises an input system, a small DCS system, a hot-air fan, a water injection elctromagnetic valve and an electric bell, wherein the input system is connected with the small DCS system, and the small DCS system is connected with the hot-air fan, the water injection elctromagnetic valve and the electric bell. Under the control of the small DCS system, the intelligent control system automatically executes the rate of temperature increase and the interval increment stipulated by the heating process, thereby changing the current situation of the manual operation heating process and the hand measurement by adopting measuring devices, and enabling the process of thermal keying installation to be fully automatic.

The invention provides an exercise device for physical education of primary schools. The exercise device comprises a connecting rod, a T-shaped slider, a push rod, a contact switch, a storage batteryand an ejection rod, wherein the connecting rod is hinged at the right end of an exercise plate, the T-shaped slider is assembled in a press plate, the right end of the push rod is connected with theT-shaped slider, the upper end of the push rod extends to the upper end surface of the press plate, the contact switch is fixed in the exercise plate through screws and connected with an electric bellthrough a lead, the storage battery is assembled in the exercise plate on the right side of the contact switch through bolts, the storage battery is connected with the electric bell through a power line, and the ejection rod is fixed at the lower end of the T-shaped slider and arranged at the upper end of the contact switch. The exercise device is convenient to use and high in reliability, legs are convenient to fix, and whether actions are standard or not can be assisted in judgment.

The invention discloses a heating device with a protection system for transfusion and blood transfusion in operating room. The device comprises a base with a plurality of omni wheels at the bottom, asupport rod which is fixed to the center of the base top, a heating device with a box which is arranged at the other end of the support rod. The bottom of the box is provided with an electric heatingrod, the side wall of the box body is provided with a hook and the left side wall of the box is provided with a protection device. The protection device comprises an outer casing, wherein the upper left side wall of the outer casing is connected with an upper connecting rod and a lower connecting rod. The upper connecting rod is hinged with an upper metal sheet, and the lower connecting rod is hinged with a lower metal sheet. The outer wall of the right side of the outer casing is connected with a limit rod, wherein a spring is connected to the limiting rod and the first metal sheet is connected to the end of the spring. The left side of the first metal sheet is provided with an upper contact piece and a lower contact piece, wherein the upper contact piece is electrically connected with the power supply and the lower contact piece is electrically connected with the electric bell. An insulating rod is fixed to the center of the first metal sheet left center. When the temperature of transfusion or blood transfusion is too high, the heating device alarms and stops heating immediately, thereby protecting the patient from injury.

The invention provides an intelligent electric bell device. The intelligent electric bell device is wirelessly connected with at least two control terminals and comprises a doorbell switch, a detection module, a control module and a wireless communication module, wherein the detection module is electrically connected to the doorbell switch and is used for detecting pressing frequency or pressing time of the doorbell switch in the predetermined time; the control module is electrically connected with the detection module and is used for generating corresponding communication requests according to the pressing frequency or the pressing time in the predetermined time; the communication requests are in one-to-one-correspondence with the control terminals; the wireless communication module is electrically connected with the control module and is used for transmitting the corresponding communication requests; a call state is retained between the intelligent electric bell device and the corresponding control terminal after the corresponding control terminal responds. The intelligent electric bell device can be used for transmitting the communication requests to two or more different control terminals, so that the normal communication between a user and a visitor can be ensured.

The invention relates to an intelligent doorbell having a face reorganization function. The intelligent doorbell having the face reorganization function comprises a doorbell button, an electric bell, a power supply, a face recognizer, a DSP, a control system MCU and a voice broadcast device, wherein the face recognizer is arranged beside the doorbell button, the DSP is connected with the face recognizer and conducts digital processing on face information, the control system MCU communicates with the DSP, the voice broadcast device is connected with the MCU and is installed on the electric bell, and the power supply is connected with the face recognizer, the DSP, the MCU and the voice broadcast device through the doorbell button. The intelligent doorbell having the face reorganization function recognizes identities of people ringing the doorbell through a face recognition device, informs a householder of recognition results through voice broadcast, and solves the problem that an existing doorbell can not recognize identities of visitors nor accurately remind the householder.

The present invention discloses a wireless temperature measurement device. The wireless temperature measurement device comprises a base; a temperature sensor is arranged in the center hole of the base; and the side surfaces of the base are respectively provided with a plurality of strong suction cups. The wireless temperature measurement device is reasonably set, and therefore, technical defects of an existing wireless temperature measuring device can be eliminated, multi-point measurement can be realized, the wireless temperature measurement device can be moved flexibly according to actual situations, and the working efficiency of users can be effectively improved; the control circuit of the wireless temperature measurement device can accurately send measurement data to a monitoring department timely through a signal converter and an antenna, and therefore, the work efficiency of monitoring staffs can be greatly improved, and the economic benefits of the device can be increased; and a supporting rod, a rotating rod, a second power source, a spring, an electromagnet, an electric bell and other parts are adopted to form an alarm device, so that the attention of nearby maintenance personnel can be drawn timely, and therefore, the possibility of major power paralysis accidents can be decreased.

The invention discloses a monitoring and forecasting method for impending earthquake and impending earthquake alarm invented by the method. In the invention by monitoring the change of microwave energy generated in earth earthquake is forecasted. The impending earthquake alarm collects mass microwave energy generated in earth when earthquake comes by microwave resonator bodies (1 and 2). By making use of heating dehydration effect of microwave energy, water storing matter (12) at one end of scale (5) in the resonator body (2) is dehydrated so that weight is decreased. In this way, the other end of scale (5) goes down to turn the touching switch (9) connected with electric bell (7) on so that the electric bell (7) alarms. It can estimate earthquake magnitude according to monitoring the value of air thermo-hygrometer in the resonator body (2).

The invention discloses ICU (intensive care unit) equipment in the technical field of medical equipment. The ICU equipment comprises a bed board, wherein a shear opening is formed in the left side ofthe bed board, a combined mattress is fixed on the upper surface of the bed board and comprises a left cushion and a right cushion with the same thickness, the left cushion is rotationally connected to the left side of the upper surface of the bed board through a rotating shaft and a support seat, a forward and reverse rotation motor is powered on to cooperate with a travel switch to make a movement nut move leftwards and rightwards, a fixed pulley makes contacts with the slope and the bottom surface of an isosceles trapezoid block so as to drive a push column row to move up and down, the surface of an elastic cushion fluctuates to massage the body of a patient, a camera, a microwave emitter, a simulating microwave receiver and a monitor constitute a monitoring system, when a liquid medicine is almost used up, a U-shaped plate is turned over upwards to press against a button switch, and an electric bell is powered on to play an alarm role. The device is diversified in function and convenient to operate.