190 results about "Heat detection" patented technology

An over heating detection circuit and an interrupter circuit are disclosed for interrupting electrical power from a power source receptacle to a load upon the detection of an over heating condition of an electrical plug. A heat sensitive device monitors the temperature of the electrical plug. The over heating detection circuit is connected to the heat sensitive device for detecting an over heated condition in the electrical plug. The interruption circuit includes a disconnect switch connected to the over heating detection circuit for disconnecting electrical power upon the detection of the over heated condition in the electrical plug.

A method for synchronizing ovulation in sows and gilts by a single injection of hormones is disclosed. A hormone, gonadotropin releasing hormone (GnRH), luteinizing hormone (LH), follicle stimulating hormone (FSH), human chorionic gonadotropin (hCG), analogues, derivatives, agonists or combinations thereof is administered to an open sow post weaning at a specific time to stimulate ovulation of mature responsive follicles. The sow is then bred, without heat detection, at a specific subsequent timed interval after injection with hormone, with one or two artificial or natural breedings. In gilts, the hormone is injected at a timed interval from onset of estrus or at a specific timed interval following Prostaglandin F2a for those gilts which have been held in a state of pseudopregnancy.

The invention discloses a system for preventing automobile end collision in a foggy day. The system performs heat detection on a vehicle ahead by utilizing infrared ray with infrared wavelength of 8-14mum and stronger rain and fog penetrability so as to see clearly the forward vehicle which cannot be seen or seen clearly by eyes, thus the system is particularly applicable to distance measurement of the vehicle ahead in a foggy day. In addition, the system judges the distance between the current vehicle and the vehicle ahead on the basis of distance L' when the two vehicles stop completely, namely, on the basis of the actually calculated distance between the current vehicle and the vehicle ahead and in consideration of the speeds of the current vehicle and the vehicle ahead, the complete brake distances of the current vehicle and the vehicle ahead as well as running distance within response time of a driver are calculated for judging the distance between the current vehicle and the vehicle ahead, thus obtaining more accurate normal distance or warning alarms with different urgency degrees, and avoiding automobile end collision accidents in a foggy day.

The present invention is related to an array device for monitoring the effect of a physical or chemical stimulus on multiple small samples, said array device comprising a supporting substrate at least two array elements that are separated from each other by a isolation zone, said array elements comprising:.A receiving zone arranged to provide a contact between said one of said samples and said physical or chemical stimulus, said receiving zone having a cross-section smaller than 10 mm..A heat detection means arranged to perform a measurement of heat between said receiving zone and a reference, and said isolation zone being formed by at least part of said supporting substrate characterised in that said supporting substrate has sufficient strength to support said array device and said isolation zone is arranged to thermally isolate said array elements.

Methods and compositions for synchronizing the time of insemination in swine are described. More particularly, methods are described for synchronizing the time of insemination by administration of a composition comprising a hormone, wherein the swine is inseminated only one time after administration of the hormone, and wherein there is no heat detection.

A method for breeding, especially a method for breeding dairy cattle without use of heat detection prior to insemination.

A method for synchronizing ovulation in sows and gilts by a single injection of hormones is disclosed. A hormone, gonadotropin releasing hormone (GnRH), luteinizing hormone (LH), follicle stimulating hormone (FSH), human chorionic gonadotropin (hCG), analogues, derivatives, agonists or combinations thereof is administered to an open sow post weaning at a specific time to stimulate ovulation of mature responsive follicles. The sow is then bred, without heat detection, at a specific subsequent timed interval after injection with hormone, with one or two artificial or natural breedings. In gilts, the hormone is injected at a timed interval from onset of estrus or at a specific timed interval following Prostaglandin F2a for those gilts which have been held in a state of pseudopregnancy.

The invention discloses an intelligent vacuum electric kettle. The intelligent vacuum electric kettle comprises a vacuum kettle body, a base, a cover and a handle, wherein the cover and the handle are connected together; a heating detection fixing unit extends from the cover into the vacuum kettle body, and a plurality of heaters are arranged around the outer surface of the heating detection fixing unit and connected with a power controlling device through a master control circuit board; the vacuum kettle body is arranged on the base, and a power coupling device is arranged between the base and the lower portion of the handle and connected with the power controlling device; the heating detection fixing unit is provided with a water level detector, a temperature sensor and a TDS (total dissolved solids) water quality detector, which are connected with the master control circuit board. The intelligent vacuum electric kettle can effectively achieve heat preservation and isolation and reduce noise, determine whether contained water is tap water or purified water and further control boiling time to eliminate chlorine content in the tap water.

The invention provides an efficient heat detection and synchronous fertilization method of replacement gilts and multiparous sows. The method has the advantages that mating of the multiparous sows and that of the added replacement gilts can be synchronized to allow batch management for sow's production; utilization and mating productivity of sows can also be increased; non-productive days for sows are fewer; work efficiency of mating staff can be improved; the purpose of all in and all out is easily obtainable, and sows can be imparted same reproductive statuses, health statuses and immune statuses.

Disclosed herein is a receptacle for selectively conducting electric power. The receptacle contains a switch that is normally open to prevent the occurrence of electric shock. An optical prong detector is provided to determine whether both the hot and neutral prongs of a plug have been inserted into the receptacle. The receptacle provides conductance upon determination of insertion of a plug into the receptacle. Additional features include GFI detection, current detection heat detection warning lights, and an audible alarm. The receptacle includes communication abilities with remote devices to transmit data indicative of the state of the device.

The invention relates to a temperature control switch detection automatic device and a detection method thereof. The device comprises a heating detection unit, a cooling detection unit and a reclaiming sorting unit. A control unit is respectively connected with the heating detection unit, the cooling detection unit and the reclaiming sorting unit. The control unit respectively controls the working states of the heating detection unit, the cooling detection unit and the reclaiming sorting unit. The control unit controls the heating detection unit to come into a detection state, and the control unit collects the heating detection result of the heating detection unit. The control unit controls the cooling detection unit to come into a detection state, and the control unit collects the cooling detection result of the cooling detection unit. The control unit carries out unified treatment comparing on the heating detection result and the cooling detection result. The control unit controls the reclaiming sorting unit to act, so as to carry out reclaiming sorting.

Disclosed herein is a device for monitoring the condition of a branch circuit. A device contains a switch that is normally open to prevent the occurrence of electric shock. An optical prong detector is provided to determine weather both the hot and neutral prongs of a plug have been inserted into the receptacle. The receptacle provides conductance upon determination of insertion of a plug into the receptacle. Additional features include GFI detection, current detection heat detection warning lights and an audible alarm. The receptacle includes communication abilities with remote devices to transmit data indicative of the state of the device.

The invention discloses an air conditioner heat exchange amount detection method. The air conditioner heat exchange amount detection method comprises the following steps: acquiring environment temperature of the environment where an indoor unit of the air conditioner is arranged; acquiring the operating point of the air conditioner according to the environment temperature; acquiring the current revolving speed of a compressor of the air conditioner; calculating the heat exchange amount of the air conditioner according to the calculation parameters corresponding to the operating point and the current revolving speed of the compressor. The invention further discloses an air conditioner heat exchange amount detection device. The air conditioner heat exchange amount detection method and the air conditioner heat exchange amount detection device disclosed by the invention can reduce the heat exchange amount testing cost of the air conditioner.

A heat detection system includes a temperature sensor configured for mounting in a grill interior area for determining a temperature. A transmitter is positioned outside the interior area and electrically connected to the temperature sensor to transmit a signal indicative of the temperature. A receiver is remote from the transmitter and configured to receive the temperature signal. A processor is connected to the receiver for evaluating the temperature signal. A timer and alarm are connected to the processor. The system includes programming that causes the processor to determine if the evaluated temperature exceeds a predetermined temperature, to actuate the timer if the evaluated temperature exceeds the predetermined temperature, and to actuate the alarm if the timer has expired. The system also includes programming to determine if the evaluated temperature has increased over a previously evaluated temperature more than a predetermined amount in less than a predetermined amount of time.

The invention discloses a switch power supply detection system circuit which is characterized by comprising a power supply conversion circuit, a voltage detection circuit, a current detection circuit, an over-heat detection circuit, a communication circuit, an address selection circuit, a control circuit, a relay control circuit and a launch and control unit, wherein the power supply conversion circuit is used for converting voltage of a detected power supply into expected voltage. By adopting the switch power supply detection system circuit, the problems that in the prior art, a voltage signal to be detected can be interfered and a detection system can be interfered by a communication digital signal in the process that a switch power supply is detected, and moreover the detection system can be damaged once the voltage of the detected power supply is too high are solved, by virtue of voltage isolation and communication isolation, the anti-interference property of a system is improved, and the security of the detection system is improved through steps of pressure separation, isolation and amplification of a voltage signal to be detected and current signal value reduction.

The present invention provides a tin selenide thin film transverse thermoelectric effect-based light and heat detector. The detector comprises a detecting element, metal electrodes and a metal lead; the detecting element comprises an oxide single-crystal substrate and a tin selenide single-crystal thin film which is deposited on the oxide single-crystal substrate and is obtained through c-axis inclined growth; and the two metal electrodes are symmetrically arranged on the upper surface of the tin selenide single-crystal thin film, wherein the metal electrodes are connected with the input end of a voltmeter through metal conductors. According to the tin selenide thin film transverse thermoelectric effect-based light and heat detector of the invention, a binary material, that is, tin selenide, is deposited on the substrate through a pulsed laser deposition technology, so that the tin selenide single-crystal thin film formed through c-axis inclined growth is obtained; and the light and heat detector is fabricated through using the lateral thermoelectric effect of the tin selenide single-crystal thin film. The detecting element of the detector has the advantages of simple structure, noneed for cooling and pressure biasing components, simple preparation process and low cost. The light and heat detector is wide in response band, is high in detection sensitivity, has excellent detecting performance under continuous light irradiation, and can achieve simultaneous light and heat detection.

A system for wireless heat detection is disclosed. The system includes one or more heat sensors that convert sensed heat energy into electrical power for transmitting an alarm signals. A remote system may trigger an alarm based on the received alarm signals. The heat sensors may be placed at discrete locations within an interior of a building to monitor a condition of the infrastructure of the building. The remote system can include a communications module for receiving the signal and transmitting an alarm signal to an associated fire panel. The fire panel may analyze the signal, as well as signals generated from adjacent sensors, to determine whether a fire condition exists within a building. Appropriate notification devices may then be activated based on the determination. Other embodiments are disclosed and claimed.

The invention discloses an active energy-saving management method. The active energy-saving management method is characterized in that an intelligent residential heating coordinator integrating a heat detection function, a data transmission function, an automatic temperature adjustment function and a remote control function is installed at the tail end of a home-entry pipeline of a heating system, and heat data are calculated by detecting the water inlet flow and the difference value between the water inlet temperature and the water outlet temperature of each home heating pipeline; wireless temperature sensor sets are arranged in all rooms, and effective transmission of internal and external network control information and energy consumption data is conducted in a wireless remote communication way, so that the functions of automatically collecting the heat data and achieving remote meter reading are achieved; and indoor temperature data are obtained in real time through a temporary-displaying type wireless sensor network, temperature information is transmitted through an indoor wireless data network, the opening degrees of all valves are automatically controlled through the intelligent residential heating coordinator, and the indoor temperature is adjusted. The energy-saving effect is achieved, and the requirement of a resident for comfort is better met.

The invention provides a nitrogen oxygen sensor heating detection apparatus and a control method thereof. The apparatus comprises a heating detection module, a voltage conversion module and a single chip microcomputer. The heating detection module is used for heating the thermal resistor of a nitrogen oxygen sensor heating layer Pt and monitoring the resistance value of the Pt thermal resistor in real time; the heating detection module comprises a first switch K1, a second switch K2, a constant current source, a first resistor R1 and a second resistor R2; the single chip microcomputer is used for obtaining temperatures of an nitrogen oxygen sensor, and controlling opening and closing of the first switch K1 or the second switch K2 so as to keep the working temperatures of the nitrogen oxygen sensor between 600 DEG C and 800 DEG C. According to the invention, a heating portion and a detection portion are separate, which guarantees that the nitrogen oxygen sensor is not in a heating state in measurement, thereby accurately measuring a specific temperature of the nitrogen oxygen sensor in some state. A tri-linear Pt thermal resistance measurement method is employed, thereby reducing influence of a Pt heat resistance heating lead to measurement results, and obtaining more accurate measurement results.

The invention relates to an electric heating device and a fault detection method and a control device thereof; the electric heating device comprises an electric heating loop composed of three heatingpipes which are connected in a star shape, a current detection module, heating detection modules, a temperature detection module and a processing module, wherein one ends of the three heating pipes are connected to a common end in a star shape, and the other ends are electrically connected with U, V and W three-phase access ends of an alternating current power supply through relays, and the commonend is electrically connected with an N end through a fourth relay; the current detection module comprises a current detection element which is coupled between the common end and the N end; the threegroups of heating detection modules are used for carrying out fault detection on heating tubes and relays connected with the heating tubes, and the heating detection modules output detection voltagesignals of different voltage grades under different working modes and different fault conditions; and the temperature detection module is used for detecting the heating temperature of the electric heating loop. According to the electric heating device, the fault component can be quickly and accurately judged, an alarm signal is sent to a user in time, timely maintenance is facilitated, and higherloss of a customer caused by the situation that the fault maintenance is not timely carried out can be avoided.