69results about How to "Avoid dry burn situations" patented technology

The invention discloses a heating assembly for an electronic cigarette. The heating assembly comprises a liquid guide ceramic body, a heating wire and a fixed seat, wherein an accommodating cavity is formed in the fixed seat, the liquid guide ceramic body is fixed in the accommodating cavity, an inlet and an outlet which are communicated with the accommodating cavity are formed in the both ends of the fixed seat, a cigarette liquid inlet communicated with the accommodating cavity is opened in the sidewall of the fixed seat, a fixing hole penetrates in the liquid guide ceramic body, an orifice at one end of the fixing hole is opposite to the inlet, and an orifice at the other end of the fixing hole is opposite to the outlet; and the heating wire is fixed in the fixing hole, in contact with the wall of the fixing hole, and electrically connected with the fixed seat. The heating assembly disclosed by the invention is high in atomization efficiency and reliability, and moreover, the generated cigarette smoke is good in taste.

The invention provides an electronic cigarette and a control method thereof. The method comprises that after that the electronic cigarette is switched on, a magnetic induction circuit starts working;when the liquid level of cigarette liquid stored in a liquid storage cavity of the electronic cigarette is higher than or equivalent to the predetermined liquid level, a floating body in the liquid storage cavity floats to a first position, in the first position, a magnetic induction switch assembly is conducted under effect of a magnet in the floating body, and the electronic cigarette controls an atomizing assembly to work when receiving a smoking signal; and when the liquid level of cigarette liquid stored in the liquid storage cavity of the electronic cigarette is lower than the predetermined liquid level, the height of the floating body in the liquid storage cavity is lower than a first height, the magnetic induction switch assembly is disconnected, and prompt information is emitted.Thus, the electronic cigarette is prevented from dry burning when there is too little cigarette liquid or completely no cigarette liquid, and the user and equipment safety is protected.

The invention provides a small water temperature control system. The small water temperature control system comprises a hot water tank, a cold water tank and a warm water tank. The hot water tank is provided with a heater, the cold water tank is provided with a cooler, the warm water tank is provided with a stirrer, and the hot water tank is provided with a water inflow pipe, connected with the cold water tank through a first water outflow pipe and connected with the warm water tank through a second water outflow pipe. A first temperature sensor and a first liquid level sensor are installed in the hot water tank. A second temperature sensor and a second liquid level sensor are installed in the cold water tank. The warm water tank is connected with a fourth water outflow pipe leading to a water receiving opening and connected with a water drainage pipe, and a third liquid level sensor and a third temperature sensor are installed in the warm water tank. According to the system, tap water is boiled and then mixed, warm water with the set temperature value can be quickly generated, the warm water volume can be monitored and prompted through liquid level detection, the volume of the drained warm water can be prompted, and therefore the concentration of made milk powder is proper.

The invention discloses a steam wrinkle removal machine which comprises a frame, a fan and a water tank. The fan and the water tank are arranged on the frame, an air inlet is arranged in the top of the fan, an air outlet and a press roll are arranged in the bottom of the air inlet, and the press roll is arranged right under the air outlet; the steam wrinkle removal machine further comprises a digital display thermostat arranged on the frame; air incoming from the air inlet and water in the water tank are subjected to heat treatment of a heating strip, and then heated air and steam are mixed; the mixed air is sent to the air outlet under the action of the fan. Leather to be subjected to wrinkle removal treatment is arranged under the press roll at the position of the air outlet, and the wrinkled leather surface is subjected to rapid leveling treatment under coordinate operation of the mixed air and the press roll; the digital display thermostat is arranged on the frame, the temperature of a thermal fuse can be accurately regulated, stability in the temperature is guaranteed, and the wrinkle removal process can be performed rapidly.

The invention discloses a high-strength oil seal. The high-strength oil seal comprises a rubber part, a framework, a seal lip and a dustproof lip. An oil incoming side of the seal lip is provided with a seal lip opening in an internal spiral structure, the dustproof lip is also in an internal spiral structure, the internal spiral structure of the seal lip opening and the internal spiral structure of the dustproof lip are opposite in expansion direction, and the expansion direction of the internal spiral structure of the dustproof lip is identical to the rotation direction of a sealed shaft from the oil incoming direction. Due to the spiral structures of the seal lip opening and the dustproof lip, effectiveness in pumping of oil and dust is achieved, the seal lip opening pumps oil into a lubricating oil tank under the action of mechanical force generated by shaft rotation, and the dustproof lip pumps dust out, so that excellent sealing effects can be achieved. The spiral structures enable high automatic compensation ability under the condition of low specific pressure, arrangement of sufficient oil films is not needed, and accordingly the problem of leakage of lubricating oil due to overlarge oil films is avoided, the condition of 'dry heating' is avoided as well, and service life of the oil seal is prolonged.

The invention discloses an alcohol lamp with a view window. The alcohol lamp with the view window comprises a bottle body and a bottle cap. The bottle body is made of metal materials, the view window is arranged at one side of the bottle body, the view window is made of transparent materials, scale marks are arranged on the view window, a bottle mouth is formed in the top of the bottle body, a wick is arranged inside the bottle mouth, and a circular hole is formed in the bottom of the wick. The alcohol lamp with the view window can be applied to laboratories, articles to be tested can be heated conveniently, and the size of the flame of the alcohol lamp can be adjusted freely according to different actual needs in the heating process. Due to the fact that the view window is arranged on the bottle body, the amount of alcohol inside the alcohol lamp can be learnt conveniently in real time in use, and thus the situation of dry burning can be avoided. Furthermore, a sealing gasket is arranged in the bottle mouth, the sealing performance of the alcohol lamp is improved, and the alcohol lamp is novel in design and beneficial to popularization and application.

The invention discloses a machine for removing wrinkles of a vamp by using steam. The machine comprises a rack, a fan, a water tank, a supporting frame and a digital display temperature regulator, wherein the fan and the water tank are arranged on the rack; an air inlet is formed in the top of the fan; the bottom of the fan is provided with an air outlet and a pressing roll; the pressing roll is placed right below the air outlet; the supporting frame is fixed on the rack; an opening of the supporting frame faces the lower portion of the pressing roll; an air pressure switch is arranged at a position of the air outlet; a water level alarm is arranged in the water tank; and the digital display temperature regulator is arranged on the rack. After air entering the machine via the air inlet and water in the water tank are heated by a heating air, heated air is mixed with water vapor; and the mixed air is fed to the air outlet under the effect of the fan. Leather of which wrinkles are required to be removed is placed under the pressing roll at the position of the air outlet, the mixed air is used with the pressing roll, and a leather surface with the wrinkles is smoothed quickly.

The invention provides a cold and hot water ready-to-drink type purified water dispenser, and belongs to the technical field of purified water machines. The cold and hot water ready-to-drink type purified water dispenser comprises a water purifying device, a sterilizer, a filter element module, a booster pump and a pure water tank are arranged from bottom to top on the water purifying device, and a tap water pipe is connected to the lower end of the water purifying device; a water discharging end of the filter element module is provided with a water quality sensor; the lower end of the pure water tank is connected to the upper end of a water drinking control device through a purified water pipe, wherein the water drinking control device comprises a mixed cavity, the purified water pipe is divided into a cold water pipe and a hot water pipe after entering the water drinking control device, the hot water pipe is provided with a flow sensor and an electric heating device, and the cold water pipe and the hot water pipe are connected to the upper end of the mixed cavity through electromagnetic valves; a temperature sensor is arranged inside the mixed cavity, a backflow pipe is arranged at the bottom of the mixed cavity, and a water drinking head is arranged at the lower end of the side wall of the mixed cavity; the backflow pipe is connected to the booster pump; the surface of the water drinking control device is provided with a touch control display screen and a warning device; liquid level sensors are arranged in the pure water tank and the mixed cavity; the electromagnetic valves are arranged on the tap water pipe and the backflow pipe. According to the cold and hot water ready-to-drink type purified water dispenser, a ready-to-drink purpose of purified cold and hot water is achieved, and great convenience is brought to everyday water drinking of people.

The invention relates to a silence hot water pot. The silence hot water pot comprises a pot body, wherein the inner wall of the pot body is coated with a layer of hydrophobic coating; the hydrophobic coating is prepared from the following raw materials in parts by weight: 23 to 24 parts of N-methyl pyrrolidone, 21 to 24 parts of methylbenzene, 13 to 24 parts of titanium oxide, 12 to 16 parts of butanone, 4 to 8 parts of dimethylformamide, 2 to 6 parts of cyclohexanone, 0.5 to 1.5 parts of diacetone alcohol and 0.1 to 0.5 part of carbon black. According to the silence hot water pot disclosed by the invention, the inner wall of the pot body is coated with the layer of hydrophobic coating, so that the conditions that bubbles are attached to the inner wall of a pot container in the heating process of water, and noises are generated due to breaking of the bubbles after expansion are avoided, and a silence effect is realized.

An electric water heater with instant water heating and water storage functions is composed of an electric heater, a water cavity, and a water inlet cavity under said water cavity. Said water inlet cavity has a floating drum in it. Said electric heater is fixed in the water cavity above the floating drum. A cover of floating drum is fixed above the electric heater. It features that the volume of heated cavity is variable.

The invention discloses a capillary-conduit electronic cigarette atomizer. The capillary-conduit electronic cigarette atomizer comprises an oil storage bottle (7), an oil guide screen (5), and a heating wire (2), wherein the oil guide screen (5) comprises a sieve plate (12), a capillary conduit (4) penetrating through the sieve plate (12) and extending away from the oil storage bottle (7) is arranged on the sieve plate (12), third oil guide cotton (11) is accommodated in the capillary conduit (4), one end of the oil guide cotton (11) is in contact with tobacco tar in the oil storage bottle (7), and an oil injection hole (10) is formed in the side wall of the sieve plate (12); the heating wire (2) is fixed at one end, away from the sieve plate (12), of the capillary conduit (4) in a spiralstructure, and second oil guide cotton (9) is accommodated in a spiral cavity of the heating wire (2); and the oil guide screen (5) is in sealing connection with the oil storage bottle (7) through a silicone sealing plug (6). The electronic cigarette atomizer disclosed by the invention not only can reduce the risk of oil leakage, but also can prevent dry burning of the internal heating wire.

The invention provides a multi-layer compound-bottom aluminum pot, comprising a pot body, wherein the bottom part of the pot body is connected with a plurality of metal materials to form the compound pot bottom by extrusion; the plurality of metal materials are as follows: a high heat-conductive layer, a double-direction connection sheet, aluminum alloy and magnetic steel; the high heat-conductive layer is melted to cover the double-direction connection sheet; the highly heat-conductive layer has good and uniform heat conduction performance; the aluminum alloy is compounded with the magnetic steel to form a metal plate with a flat surface; the magnetic steel compound bottom can be used for all kinds of stoves; as the surface of the compound metal plate is flat, the compound metal plate can be used for avoiding scratching the surface of an induction stove when the compound metal plate is used on the induction stove; convex holes at the front side of the double-direction connection sheet face the pot bottom and concave holes at the back side of the double-direction connection sheet face the compound metal plate, so that the pot bottom and the metal plate are extruded to form the compound-bottom aluminum pot by the double-direction connection sheet via the high-strength extrusion process at normal temperature; the compound pot bottom is formed by direct extrusion at normal temperature. When the multi-layer compound-bottom aluminum pot provided by the invention is used, the phenomena of deformation and falling of the compound bottom of the aluminum pot caused by the heat expansion can be effectively avoided. The high-strength extrusion process is simple and convenient, does not cause environmental pollution and noise pollution in the production.

The invention discloses a pump of a washing device. The pump comprises a pump body; a pump cavity for containing liquid is formed in the pump body through a first pump shell and a second pump shell which are buckled; the pump body is provided with a liquid inlet and a liquid outlet which communicate with the pump cavity; the pump cavity is internally provided with an impeller which is connected with a motor; the pump further comprises a heating assembly which extends from the outside of the pump body into the pump cavity and heats the liquid in the pump cavity; a first pressure switch is disposed on the pump body and is connected with the heating assembly; the impeller divides the pump cavity into a first cavity body close to the liquid inlet and a second cavity body far away from the liquid inlet; the heating assembly is disposed in the second cavity body; and circulating holes are formed in an impeller body and make the liquid in the second cavity body flow back into the impeller andflow out from the liquid outlet. By means of the pump of the washing device, the size of the pump body is reduced; by improving the structure of the impeller, the condition of the flowing range in the pump cavity is improved; and by means of the structural change of the heating assembly, the thermal field in the pump cavity is more uniform.

The invention discloses a dry heating-resistant electric kettle and belongs to the technical field of small household electrical appliances. The electric kettle comprises a kettle body and a kettle cover; the kettle body comprises an inner kettle body and an outer shell body, a handle and a spout are arranged on the outer periphery surface of the outer shell body, and a steam switch is arranged on the handle; the kettle cover is hinged to the top of the handle, and the kettle cover is connected to the top of the inner kettle body in a clamping mode; an electric appliance mounting base is arranged on the bottoms of the outer shell body and the inner kettle body; a heating device is arranged in the electric appliance mounting base, and a coupler is arranged on the bottom of the electric appliance mounting base; a control plate is arranged in the electric appliance mounting base, and the control plate comprises a control module, a power module and a relay; an approaching sensor which is used for detecting whether the kettle cover is completely lidded or not is arranged on the upper end surface of the outer shell body, a temperature sensor which is used for detecting the water temperature of the kettle is arranged on the inner side of the inner kettle body, and the kettle automatically stops heating after water boils for a certain period of time.

The invention provides a gas humidification bottle capable of automatically supplementing water. The gas humidification bottle comprises a sealed water storage tank, a multi-path valve block, a heating water box and a pressure balance pipe, wherein the sealed water storage tank, the multi-path valve block and the heating water box are connected into a whole from top to bottom in sequence; the pressure balance pipe is penetrated in the multi-path valve block, the first end of the pressure balance pipe extends into the inner cavity of the sealed water storage tank and is exposed out of the highest water surface of the sealed water storage tank, and the second end of the pressure balance pipe extends into the inner cavity of the heating water box for balancing air pressure in the sealed water storage cavity and the air pressure in the heating water box; the second end of the pressure balance pipe is exposed out of the water surface of the heating water box; and water in the sealed water storage tank automatically supplements water to the heating water box through the water supplementing channel of the multi-path valve block, and otherwise, the water in the sealed water storage tank stops supplementing water into the heating water box through the water supplementing channel of the multi-path valve block under a negative pressure function. The pressure balance pipe is arranged, a pressure difference of two ends of the pressure balance pipe automatically realizes on and off of the water supplementing channel so as to realize automatic water supplementation of the heating water box, and a structure is simple and convenient.

The invention discloses a washing machine with a steam function and a washing method thereof. The washing machine comprises an inner barrel, an outer barrel, a heater, a water level sensor, a water inlet valve and a water discharge valve, wherein an air chamber is arranged in the center on one side of the bottom of the outer barrel, the air chamber is connected with the water level sensor througha connecting pipe, and the heater is obliquely installed on the bottom of the outer barrel downwards. The heater is provided with a temperature sensor for detecting water temperature, an outer barrelwater groove is formed in the bottom of the outer barrel, the heater is connected with the outer barrel water groove, and a cold side is formed on the front section of the heating pipe of the heater.By obliquely arranging the heater downwards, water in the outer barrel water groove can be heated to generate steam, the steam enters the inner barrel through through holes in the inner barrel, and bacteria and wrinkles on clothes are removed through the steam; the front end of the heating pipe of the heater can be made to form the cold side, the situation that the heater is boiled dry is avoided,the service life of the heater is prolonged, and the safety of the heater is improved.

The invention discloses an empty boiling prevention heating pot and belongs to the technical field of small home appliances. The empty boiling prevention heating pot comprises a pot body and a pot lid. The pot body comprises an inner pot body, an outer shell and an electrical appliance installation seat. The electrical appliance installation seat is provided with a heating device, a coupler and a control panel. The control panel comprises a control module, a power module and a relay. A plurality of first grooves are formed in the upper end face of the outer shell. Electromagnets are arranged in the first grooves. A plurality of second grooves corresponding to the first grooves are formed in the lower end face of the pot lid. Iron blocks are embedded in the second grooves. A liquid level sensor is arranged on the inner side of the bottom of the inner pot body. The electromagnets attract the iron blocks on the pot lid after being electrified, and accordingly, the pot lid completely covers the pot body; and in addition, when the control module detects that the liquid level in the inner pot body is too low through the liquid level sensor, the control module controls the relay to disconnect the heating device from the coupler, and the problem that empty boiling of an existing heating pot happens, and accordingly, risks are caused is solved.

The invention discloses a pump of a washing device. The pump comprises a pump body, a temperature switch, a heating assembly and a circulating hole; the pump body forms a pump cavity for containing liquid through a first pump shell and a second pump shell which are buckled; a liquid inlet and a liquid outlet which communicate with the pump cavity are formed in the pump body; an impeller connectedwith a motor is arranged in the pump cavity; the temperature switch is arranged on the pump body and is used for monitoring the temperature of the liquid in the pump cavity; the heating assembly extends into the pump cavity from the outside of the pump body and is used for heating the liquid in the pump cavity; the impeller divides the pump cavity into a first cavity close to the liquid inlet anda second cavity away from the liquid inlet; the heating assembly is arranged in the second cavity; and the circulating hole is formed in an impeller body, enables the liquid in the second cavity to flow back to the impeller and enables the liquid to flow out of the liquid outlet. According to the pump of the washing device, the size of the pump body is reduced, meanwhile, the flowing area condition in the pump cavity is improved by improving the structure of the impeller, and a thermal field in the pump cavity becomes uniform through the structural change of the heating assembly.

The invention discloses an anti-dry burning environment regulator comprising an air conditioning shell, wherein an air outlet is arranged on the shell; a water storage tank is arranged in the shell; a water inlet is arranged on the water storage tank; the water storage tank is connected with a steam generator; the steam generator is provided with a steam outlet; the steam outlet is located under the air outlet; the anti-dry burning environment regulator is provided with an PLC (programmable logic controller); a water-level probe is arranged in the water storage tank; the water-level probe and the steam generator are connected with the PLC; the water-level probe collects water-level data in the water storage tank and transmits the water-level data to the PLC; the PLC controls the working state of the steam generator according to the water-level data. The regulator has the advantages of preventing dry burning of the steam generator.

The invention discloses a water heater capable of preventing dry heating. The water heater comprises a water heater body (1), wherein the upper end of the water heater body (1) is connected with a water storage tank (2). The water heater is characterized in that the outlet end of the water storage tank (2) is connected with the upper end of a water feeding pipe (3); an infrared detector (10) is mounted above the side wall of a heating water cavity (8); the infrared detector (10) is connected with an electromagnetic driver through a cable; and the electromagnetic driver is connected with a driving switch on a right a water feeding valve (5). According to the water heater capable of preventing the dry heating, a low-water-level water replenishing control device consisting of the infrared detector is mounted above the side wall of the heating water cavity, so that a water level in the heating water cavity can be detected, the heating water cavity can be replenished with water in time in case of the low water level, the phenomenon of dry heating is avoided, and the safety is improved.

The invention discloses a heating type water storage structure for a humidifier and the humidifier comprising the heating type water storage structure. The heating type water storage structure comprises a cold water tank, a water heating tank and a liquid level switch water tank, wherein the cold water tank, the water heating tank and the liquid level switch water tank communicate with one another through a water supply channel, after flowing out from the cold water tank, water flows into the water heating tank and the liquid level switch water tank along the water supply channel, and the water firstly flows into the water heating tank before flowing into the liquid level switch water tank. According to the heating type water storage structure, the cold water tank, the water heating tank and the liquid level switch water tank communicate with one another through the water supply channel, the water firstly flows into the water heating tank before flowing into the liquid level switch water tank, and therefore when the water in the liquid level switch water tank triggers a switch, a certain amount of water already exists in the water heating tank, and the condition that heating elements are dry-burned is avoided.

The invention discloses a pump of a washing device. The pump comprises a pump body, the pump is provided with a pump cavity for containing liquid through a first pump shell and a second pump shell which are buckled, a liquid inlet and a liquid outlet communicating with the pump cavity are formed in the pump body, an impeller connected with a motor is arranged in the pump cavity, a liquid outlet, asecond pressure switch for inducing liquid flowing through the liquid outlet, a heating assembly extending towards the interior of the pump cavity from the outer portion of the pump body and capableof heating the liquid in the pump cavity are further included, the impeller divides the pump cavity into a first cavity close to the liquid inlet and a second cavity away from the liquid inlet, and the heating assembly is arranged in the second cavity. A circular hole which is formed in the impeller body and enables the liquid in the second cavity to flow back to the impeller and flow out of the liquid outlet is included. According to the pump of the washing device, the size of the pump body is reduced, the impeller structure is improved, the flow area condition in the pump cavity is improved,and through structure changes of the heating assembly, a hot field in the pump cavity becomes more uniform.

The invention discloses a steam sterilization cabinet and a control method thereof. The steam sterilization cabinet includes a main control panel, a steam system and a water box assembly. A steam generating system is used for generating steam, and the water box assembly supplies water to the steam system; the water box assembly includes a water storage box and a liquid level detector having a function of continuously detecting a change in liquid level. According to the technical scheme, the liquid level in the water storage box can be continuously detected through the liquid level detector sothat the main control panel of the steam disinfection cabinet can receive current information about water, which can be supplied to the steam generating system, in the water storage box in real time,correspondingly whether or not the water in the current water storage box can meet the work demand of the steam generating system can be accurately determined on the basis of the current work or the upcoming work of the steam generating system, and therefore accurate water supply of the water box assembly to the steam generating system is achieved, the condition of dry burning of the steam generating system is avoided, and the working safety of the steam sterilization cabinet is improved.

The invention discloses a pump of a washing device. The pump comprises a pump body, wherein the pump body forms a pump cavity for containing liquids through a first pump shell and a second pump shell;the first pump shell and the second pump shell are buckled; the pump body is provided with a liquid inlet and a liquid outlet, wherein the liquid inlet and the liquid outlet communicate with the pumpcavity; and an impeller connected with a motor is arranged in the pump cavity. The pump also comprises a heating component, a pressure induction part and circulation holes, wherein the heating component extends into the pump cavity from the outside of the pump body and heats the liquids in the pump cavity; the pressure induction part is arranged on the pump body and induces a liquid level in thepump cavity; the impeller divides the pump cavity into a first cavity near the liquid inlet, and a second cavity far away from the liquid inlet; the heating component is arranged in the second cavity;and the circulation holes are arranged on an impeller body to enable the liquids in the second cavity to flow back to the impeller and flow out of the liquid outlet. The invention provides the pump of the washing device, the volume of the pump body is reduced the washing containing space of the washing device is improved, a drainage basin situation in the pump cavity is improved, and a heat fieldin the pump cavity is even through the structural change of the heating component.

The invention discloses a pump of a washing device. The pump comprises a pump body, a pump cavity for containing liquid is formed in the pump body, a liquid inlet and a liquid outlet communicating with the pump cavity are formed in the pump body, an impeller connected with a motor is arranged in the pump cavity, a heating assembly extending towards the interior of the pump cavity from the outer portion of the pump body and capable of heating the liquid in the pump cavity, a temperature switch for monitoring the temperature of liquid in the pump cavity and a pressure induction part for inducingthe liquid level in the pump cavity are further included, the impeller divides the pump cavity into a first cavity close to the liquid inlet and a second cavity away from the liquid inlet, and the heating assembly is arranged in the second cavity. According to the pump of the washing device, the size of the pump body is reduced, meanwhile, through improving of the structure of the impeller, the flow area condition in the pump cavity is improved, the flow is more uniform, meanwhile, through structure changes of the heating assembly, a hot field in the pump cavity becomes more uniform, and problems caused by heat coupling can be solved.

The invention provides a novel heating device of a washing machine. The novel heating device comprises a mounting frame, a water level control mechanism and a heating mechanism. The water level control mechanism comprises conductive blocks, a ball float and two current conducting plates. The two current conducting plates are mounted in the mounting frame and arranged in parallel, a moving channel is formed between the two current conducting plates, the conductive blocks are movably mounted in the mounting frame, the ball float is connected to the conductive blocks and used for driving the conductive blocks, the ball float drives the conductive blocks to move in to / out from the moving channel, and when the conductive blocks are in the moving channel, the conductive blocks are pressed against the two current conducting plates. The heating mechanism comprises an electric heating tube and a plurality of heat conductive cylinders, the electric heating tube is mounted on the mounting frame, two ends of the electric heating tube are respectively connected to the two conductive blocks, the electric heating tube comprises vertical portions being perpendicular to the horizontal plane, the heat conductive cylinders are truncated cones, the vertical portions are sleeved by the heat conductive cylinders, and inner walls of the heat conductive cylinders are connected to outer walls of the vertical portions via connecting members. According to the novel heating device of the washing machine, the electric heating tube can be prevented from heating in case of no water, and the temperature of water in the washing machine can be made uniform.

The invention discloses a pump of a washing device. The pump comprises a pump body; the pump body forms a pump cavity for accommodating liquid through buckling of a first pump shell and a second pumpshell; the pump body is provided with a liquid inlet and a liquid outlet communicating with the pump cavity; and an impeller connected with a motor is arranged in the pump cavity. The pump further comprises a heating module, a temperature switch arranged on the pump body for monitoring the temperature of the liquid in the pump cavity, and a pressure induction part arranged on the pump body for inducing the liquid level in the pump cavity; the pump cavity is divided into a first cavity near the liquid inlet and a second cavity far from the liquid inlet by the impeller; a heating module is arranged in the second cavity; and a circulating hole is formed in an impeller main body for enabling the liquid in the second cavity to flow back to the impeller and flow out from the liquid outlet. The pump of the washing device reduces the size of the pump body, meanwhile, improves the flow area condition in the pump cavity through the structure improvement of the impeller, and prevents the problemcaused by thermal coupling through the structure change of the heating module.

The invention discloses a battery pack heater for a new energy vehicle, which comprises a cooling liquid channel, a heating source and a swing mechanism, wherein the channel is formed by a shell, theheating source is located in the middle outside the channel, two ports of the channel are respectively a cooling liquid inlet and a cooling liquid outlet, the swing mechanism is positioned in the inlet, the swing mechanism comprises a valve plate and a limiting block, the valve plate is rotatably fixed above the inner wall of the inlet, the limiting block is fixed on the inner wall of the inlet and located below the valve plate to prevent the valve plate from turning to the outside of the inlet, the valve plate is provided with magnetic steel, a corresponding Hall sensor is arranged outside the channel, and a bypass liquid path is reserved between the swing mechanism and the inner wall of the inlet. The lightweight swing mechanism is arranged at the cooling liquid inlet to detect the flowof the cooling liquid, so that the control system can monitor the flow of the cooling liquid more accurately, and thus a failure protection program is triggered.