98results about How to "Achieve air circulation" patented technology

The invention discloses a horizontal air cooling refrigerator with an air curtain function. The horizontal air cooling refrigerator comprises a horizontal cabinet body and a door body; the horizontal cabinet body is provided with an evaporation cavity; a fan and an evaporator are arranged in the evaporation cavity; an end exhaust way and an air return way are arranged at one end part of the horizontal cabinet body up and down; side exhaust ways are respectively arranged on two side walls of the horizontal cabinet body; the end exhaust way and the side exhaust ways respectively communicate with an exhaust port of the evaporation cavity; the air return way communicates with an intake port of the evaporation cavity; separation plates are horizontally arranged in the side exhaust ways for dividing the side exhaust ways into upper air ways and lower air ways; air doors are arranged on intake sides of the upper air ways; the upper air ways are provided with first exhaust ports inclined for upwards exhausting; second exhaust ports are formed in the lower air ways; and the exhausting directions of the second exhaust ports and the exhausting direction of the exhaust port of the end exhaust way are arranged in a staggered manner. The horizontal air cooling refrigerator realizes uniform cold distribution, and improves the refrigeration effect.

The invention discloses a multi-element ecological breeding system and method. A scientific control method is added for flushing excrement and feed residues generated in animal breeding with water, and then fertilizer water is generated, can be directly utilized for irrigating root systems in plant planting or can irrigate the root systems after being fermented through EM bacteria and has various rich nutrients needed by plants. The EM bacteria effectively restrain growth of harmful bacteria, breeding of beneficial bacteria is facilitated, the content of pathogenic bacteria is reduced, the water quality of water bodies is improved, and the fertilizer water rich in microorganism and bacterium can increase the action speed of the EM bacteria; the water fermented through the EM bacteria becomes clean water after repeated filtering and is used for irrigating leaf surfaces of the plants and keeping the leaf surfaces of the plants clean, so that the condition of the plants is improved. In addition, air circulation is achieved in a feeding region and a planting region, rich oxygen in the planting region can be conveyed into the feeding region, animal activity is improved, and carbon dioxide generated by an animal is conveyed into the planting region to be easily absorbed and utilized by the plants at daytime.

The invention discloses an indoor air ventilation device based on the Coanda Effect. The indoor air ventilation device comprises a Coanda airfoil-shaped panel, an arc-shaped shield plate, a bottom plate, side plates, an air inlet barrel, an annular frame and a variable frequency fan, wherein the Coanda airfoil-shaped panel, the arc-shaped shield plate and the side plates are arranged on the bottom plate; the arc-shaped shield plate is arranged on the upper end, on which a flow guidance head provided with a smooth curve surface is arranged, of the Coanda airfoil-shaped panel; the two side plates are separately arranged on the two sides of the Coanda airfoil-shaped panel and the arc-shaped shield plate; an air inlet cavity is formed by the Coanda airfoil-shaped panel, the arc-shaped shield plate, the side plates and the bottom plate; a strip-shaped air outlet is formed between the arc-shaped flow guidance head of the Coanda airfoil-shaped panel and the arc-shaped shield plate; the air inlet barrel is arranged on the bottom plate, and is communicated with the air inlet cavity; the assembly height of the air inlet barrel is lower than that of the strip-shaped air outlet, so that noise which is generated when air flow flows out of the air inlet cavity is reduced; the annular frame is arranged in a barrel hole at one end of the air inlet barrel; and the variable frequency fan is arranged in the barrel hole of the air inlet barrel, and is fixed on the annular frame through screws.

The invention discloses integral-type underground high-voltage transformation equipment, comprising a box body and high-voltage transformation equipment arranged in the box body, wherein, the box body arranged in a overall cement pond, the top of the cement pond is covered by a precast cement slab which is provided with a lifting groove, the box body is of an all-welded closed structure, the side wall of the box body is provided with an incoming cable and an outgoing cable, the joint of the incoming cable and the outgoing cable and the box body is sealed through sealing parts, the top of the box body is provided with an air inlet pipe and an air outlet pipe in a sealing way, the parts of the air inlet pipe and the air outlet pipe which enter the box body have altitude difference, a waterproof cap is arranged above the air inlet pipe and the air outlet pipe, and an antenna is arranged above the waterproof cap; the advantages of the invention are as follows: the invention with simple structure, good sealing and cooling effect not only can be used underground or underwater, such as rivers, lakes, ponding and other complex environments, but also can be used for remotely controlling the transformation equipment in the box body through the antenna, and does not occupy ground resources.

The invention provides a ventilation and heat dissipation device for a mask. The ventilation and heat dissipation device comprises a shell base, a shell upper cover covering the shell base, a micro heat dissipation fan, a direct-current power source, a temperature measurement sensor and a control module; wherein the micro heat dissipation fan, the direct-current power source, the temperature measurement sensor and the control module are installed in the shell base; the shell base is fixedly connected with the mask through a detachable locking structure; the direct-current power supply is usedfor supplying power to the micro heat dissipation fan; the micro heat dissipation fan is used for supplying air to the inner side of the mask; the temperature measurement sensor is installed in the center of the miniature heat dissipation fan and used for monitoring the temperature of the inner side of the mask and uploading the temperature to the control module. The control module generates a control instruction according to the temperature monitored by the temperature measurement sensor to adjust the air volume fed into the inner side of the mask by the micro heat dissipation fan in real time. The universality and interchangeability matched with the mask can be improved, the economic cost is reduced, the temperature between the mask and the face can be monitored in real time, the temperature between the mask and the face is adjusted, and a wearer wears the mask comfortably.

The invention provides an air purifier which can adjust an effective purification space, safely humidifies the environment, and can achieve circulation of internal and external air. The air purifier comprises a purifier body and a filter mechanism arranged inside the purifier body, wherein the purifier body comprises a plurality of respectively independent sub purifiers, and indoor first air inlets, indoor second air inlets, indoor air outlets and outdoor outlets which are formed in the sub purifiers; humidification devices used for evaporating moisture are arranged in the positions, at the indoor air outlets, inside the sub purifiers; branched exhaust pipe components are connected at the outdoor outlets; and the exhaust pipe components are connected with a main pipe which is at least partially arranged outdoors. According to the air purifier provided by the invention, the circulation of indoor and outdoor air can be achieved, water is prevented from being decomposed into aerosol to be inhaled into human bodies through the adoption of steam humidifies, a humidification effect is achieved, and the air purifier is safe and harmless.

The invention relates to a high-field asymmetry ion mobility spectrometer (FAIMS) for realizing trace substance full spectrum scanning. The high-field asymmetry ion mobility spectrometer comprises a circular ion mobility tube and a measuring and controlling system, wherein the circular ion mobility tube consists of two substrates which are provided with an injection port, a gas port, an ion source, a separation electrode, a detection electrode, a discharging electrode and a traction electrode, are closely combined with an inner supporting beam and an outer supporting beam, and form an annular airflow passage; and the measuring and controlling system comprises a separation circuit, a detection circuit, an ion wind circuit and a total controlling system. Trace substances to be measured are gasified in the injection port, and are motivated by an air channel system consisting of the discharging electrode, the traction electrode and the ion wind circuit so as to circularly move in the annular airflow passage; and the trace substances become an ion group under the function of the ion source, and are separated by the separation electrode and detected by the detection electrode to obtain a complete spectrum diagram. By the FAIMS with the structure, the trace substances are circularly detected; the complete spectrum diagram is obtained; and high-integration, high-stability and separated using accuracy requirements of the FAIMS are met.

The invention discloses an air purifier which is capable of adjusting an effective purification space and internal and external air circulation and is convenient to install. The air purifier comprises a purifier body and a filtering mechanism arranged in the purifier body. The purifier body comprises a plurality of sub-purifiers independent to one another, first indoor air inlets, second indoor air inlets, indoor air outlets and outdoor ports, wherein the first indoor air inlets, the second indoor air inlets, the indoor air outlets and the outdoor ports are arranged on the sub-purifiers. Branch-shaped exhaust pipe assemblies are connected to the outdoor ports, collected in a branch shape and connected with at least a part of main pipes arranged outside a room. According to the air purifier, indoor and outdoor air circulation can be achieved, a plurality of air inlet pipes and a plurality of air outlet pipes can be installed only by drilling a through hole in the wall surface, the air inlet pipes and the air outlet pipes are designed in a branch shape and arranged in a sleeving mode, and the situation that the beautiful appearance is affected due to the fact that multiple holes are drilled in the wall surface is avoided. The air purifier provided by the invention is formed by combining the multiple independent sub-purifiers, and one or some of the sub-purifiers can be selected to be started according to the size of the purification space.

The invention belongs to the field of household appliances, and relates to an air circulating device, an air purifier and an air humidifier. The air circulating device comprises a support seat, a fan,a centrifugal wind wheel, a volute and a driving mechanism, wherein an air hole is formed in the support seat; the volute is rotatably connected with the support seat, a through hole which communicates with the air hole is formed in one end, which is close to the support seat, of the volute, and an air outlet is formed in the side surface of the volute; a mounting part is arranged in the air hole, and a plurality of connecting ribs are connected between the mounting part and the inner side wall of the air hole; the fan is fixedly arranged on the mounting part, a main shaft of the fan passes through the through hole and extends into the volute, the centrifugal wind wheel is fixedly connected to the main shaft of the fan, and the centrifugal wind wheel is located in the volute; and the driving mechanism is connected with the volute and is used for rotating the volute. When the volute rotates, the fan is kept fixed all the time, and therefore, the problem of wrapping connection is avoided, so that the integral structure is simplified, and the production and manufacturing cost is reduced.

The invention discloses a protective cover capable of automatically cooling a motor at a high temperature. A base is included, the motor can be placed on an upper end surface of the base, overturningcavities with openings far away from a symmetric center are symmetrically arranged on a front end and a rear end in the upper end surface of the base, an overturning plate for protecting a front side,a rear side and an upper side of the motor is rotatably arranged between a left wall and a right wall of each overturning cavity, and a left baffle and a right baffle are fixedly arranged on a left end surface and a right end surface of the overturning plate. The front, back, left and right sides and the upper side of the motor are sealed through the overturning plates which are symmetrically arranged front and back, the left baffle and the right baffle so that the motor is protected; and meanwhile, a clamping block abuts against an output shaft of the motor, parts of power of the output shaft is output, and after the temperature of the motor rises, an arranged temperature sensing device conveys the parts of power to a fan device so that air circulation is achieved, and the motor is cooled.

The invention relates to the technical field of greenhouse engineering and discloses a heat storage and heating system and method for greenhouses. The heat storage and heating system for the greenhouses comprises the multi-span greenhouse, an energy storage tank, a heat dissipation device, one or more solar greenhouses and one or more air source heat pump systems. The solar greenhouses are connected to the first heat exchange side of the energy storage tank through the air source heat pump systems, the second heat exchange side of the energy storage tank is connected to the heat dissipation device, and the heat dissipation device is installed in the multi-span greenhouse. According to the heat storage heating system for the greenhouses, through a series of means such as transfer, storage and heat dissipation, the multi-span greenhouse is heated and warmed through heat stored by the solar greenhouses, which helps to increase the utilization rate of heat energy of the solar greenhouses and reduce energy consumption of traditional energy such as fossil energy and electric energy for heating the multi-span greenhouse. The overall system is simple, high in heat exchange efficiency and low in operation energy consumption and construction cost.

The invention discloses an intelligent human body nursing instrument, comprising a toilet wastewater collector, a slop pail, a purified water pail, an intake pump and a host. The efficient intelligent human body nursing instrument is characterized by further comprising a vacuum processing system and a cooling system coupled with the host, wherein the vacuum processing system comprises a vacuum pump, a negative pressure pipe and a positive pressure pipe, the negative pressure pipe is connected with the slop pail and is used for sucking water in the toilet wastewater collector, the positive pressure pipe is connected with the toilet wastewater collector and is used for blowing air into the toilet wastewater collector, the negative pressure pipe is connected to an air suction port of the vacuum pump, the positive pressure pipe is connected to an exhaust port of the vacuum pump, and the positive pressure pipe and the negative pressure pipe form air current circulation; the cooling system comprises a cooling liquid pool for storing cooling liquid, a cooling pipe covering a cooling water pump in the circumferential direction and the cooling water pump for leading the cooling liquid to circularly flow in the cooling pipe. According to the efficient intelligent human body nursing instrument disclosed by the invention, significant improvement is performed on the dynamic structure, air circulation in the nursing instrument is realized, and zero-emission, high efficiency, health and non-pollution are achieved.

The invention discloses a control system for delivery of a diesel engine cylinder head and a control method of the control system. The control system comprises a box body, wherein a feed port and a discharge port are formed in side walls of the left side and the right side of the box body respectively, supporting plates are fixedly connected onto the front wall and the rear wall of an inner cavityof the box body respectively, a feed sloping plate is fixedly connected to the position, close to the left side, of the top of the supporting plates, the top of the feed sloping plate is fixedly connected with the bottom of an inner cavity of the feed port and extends out of the box body, a discharge sloping plate is fixedly connected to the position, close to the right side, of the bottom of thesupporting plates, the bottom of the discharge sloping plate is fixedly connected with the bottom of an inner cavity of the discharge port, a straight plate is arranged between the two supporting plates, connecting pieces are fixedly connected to the positions, close to the left and right sides, of the bottom of the straight plate respectively, and front walls of the connecting pieces are movablyconnected with vertical plates through rotating shafts and bearings. By means of a series of structures, the control system has the characteristics of high delivery efficiency and high cooling efficiency.

The invention provides an extraction device for biopharmacy, and relates to the technical field of medicine processing equipment, wherein the extraction device comprises a first conveying belt, a second conveying belt and a liquid containing pool; a pressing section is arranged between the feeding faces of the first conveying belt and the second conveying belt, the first conveying belt and the second conveying belt of the pressing section are immersed below the liquid level in the liquid containing pool, an extrusion assembly for locally extruding medicinal materials between the first conveying belt and the second conveying belt is arranged in the liquid containing pool, and the extrusion assembly can move back and forth in the feeding direction. An air outlet for introducing pressure airinto the medicinal materials is further formed in the liquid containing tank; a heating assembly is arranged at the bottom of the liquid containing pool, a cleaning mechanism is further arranged at adischarging port and the discharging port comprises an axis roller, and bristles making contact with the feeding faces of the conveying belts are arranged on the outer surface of the roller. Accordingto the extraction device, the medicinal materials can be continuously conveyed to pass through a soaking pool, the medicinal materials are kneaded in the conveying process, effective components in the medicinal materials are effectively released, and extraction of biopharmacy is facilitated through heating and decocting.

The invention discloses an intelligent air purification and oxygen supplementing method. According to the method, carbon dioxide and harmful gas in air are captured and absorbed through a liquid saltelectrolyte, and are converted into harmless products and oxygen through electrolysis. The invention further discloses an intelligent air purification and oxygen supplementing device. The intelligentair purification and oxygen supplementing device comprises an automatic control system and an air purification and oxygen supplementing electrolytic tank, wherein the automatic control system comprises a computer, a direct-current power supply and a fan; and the computer is electrically connected with the direct-current power supply and the fan. The intelligent air purification and oxygen supplementing method has the beneficial effects that carbon dioxide entering the electrolyte can be electrolyzed into oxygen by the device, so that air circulation is realized, and the harmful gas can be captured and absorbed and harmless; and the intelligent air purification and oxygen supplementing method can be used for air purification and oxygen supplementing of an underwater naval vessel closed cabin, an underwater detector closed cabin, an amphibious armored closed cabin, a spacecraft closed cabin, an outer star base, a public place and a residential room.

The invention discloses a laminated packaging structure for mounting multiple circuit boards, and belongs to the field of printed circuit boards. The laminated packaging structure for mounting the multiple circuit boards comprises a mounting plate, a plurality of uniformly distributed printed circuit board bodies are arranged on the mounting plate, two pairs of buffer frame plates are connected between every two adjacent printed circuit board bodies. Each buffer frame plate comprises L-shaped frame plates, a buffer strip is connected between the pair of L-shaped frame plates, and a supporting plate matched with the buffer strip is connected to the L-shaped frame plates in a sliding mode. The bottom end of the printed circuit board body is fixedly connected with the supporting plates, and a plurality of guide pipes matched with the buffer strip are fixedly connected to the L-shaped frame plates. A series connection frame comprises a plurality of segment columns. An arc-shaped frame is connected between the two segment columns at the top end. Therefore, a plurality of circuit boards can be mounted in a laminated manner, the occupied space of the circuit boards on a plane is reduced, the circuit boards can be effectively and comprehensively protected after the circuit boards are mounted in the laminated manner, and meanwhile, the heat dissipation of the circuit boards is facilitated.

The invention discloses automatic fire extinguishing and water soaking preventing equipment for a big data center machine room. The equipment comprises a guide rail, wherein a driving device is fixedly mounted at the bottom of the guide rail, mounting plates are fixedly mounted on the two sides of the top end of the driving device, mounting screws are in threaded connection with the two ends of each mounting plate, and a fixing frame is fixedly mounted in the middle of the top of the driving device; and a first containing bin is arranged on the left side in the fixing frame, a fire extinguishing dry powder storage device is slidably mounted at the upper end in the first containing bin, a second containing bin is arranged on the right side in the fixing frame, an air blowing device is fixedly mounted at the upper end in the second containing bin, an alarm device is fixedly mounted at the position, at the top of the guide rail, of the right side of the fixing frame, and an energy storagedevice is fixedly mounted at the position, at the top of the driving device, of the left side of the fixing frame. The equipment can operate in a full-automatic mode, the interior of the machine roomcan be well cooled, meanwhile, fire can be extinguished in time when the fire occurs, the practicability is high, the application prospect is wide, and the equipment is worthy of application and popularization.

The invention discloses a thermal expansion cooling fission type mining machinery crushing device. Comprising a cutting type ore crushing main body, a multi-dimensional transverse staggered type crushing device, an intermediate combined type condensate stirring and silencing device, an airflow circulating type ultrasonic stirring and dust removing device, a thermal expansion instant condensation type wrapping type feeding device and an anti-blocking flapping type discharging device. The invention belongs to the technical field of thermal expansion cooling fission type mining machinery crushing devices, and particularly relates to a thermal expansion cooling fission type mining machinery crushing device. The invention provides mining machinery crushing equipment, in order to further simplify the structure and improve the practicability and generalizability, the invention creatively provides an intermediary combination type condensate stirring silencer and an airflow circulation type ultrasonic stirring dust removal device on the basis of the versatility and intermediary principle, condensate is used as an intermediary, and the practicability and the generalizability are improved. Noise reduction treatment can be conducted on noise generated in the crushing process, and adsorption treatment can be conducted on dust generated in the crushing process.

The invention discloses a Western medicine storage cabinet which comprises a cabinet body. The cabinet body comprises a front cabinet and a rear cabinet, a first board is fixedly connected between thefront cabinet and the rear cabinet, a supporting plate is fixedly connected between the first board and the rear side wall of the rear cabinet, an exhaust fan is fixedly connected on the supporting plate, and one end of an air incoming pipe of the exhaust fan penetrates the first board while an air outlet of the same penetrates the upper end of the rear cabinet to be communicated with a pipeline;an air outlet of a dehumidifying pipe penetrates the inner side of the upper end of the front cabinet, a first sponge and a filter net are fixed inside the dehumidifying pipe, a dehumidifying pad isput on a second board, a second sponge is arranged inside the dehumidifying pad, a second quicklime storage box is put inside the second sponge, a first groove is formed in the dehumidifying pad, a through hole is formed in the bottom of the first groove, and a second sponge is fixedly put below the through hole. The Western medicine storage cabinet is simple in structure, safe and reliable and has market value.

The invention discloses an odor-resistant closestool which comprises a closestool body, a closestool cover, a suction port located at the upper end of the interior of the closestool body, and a suction fan used for removing odor through the suction port, wherein at least one through hole is formed in the closestool cover, and blocking covers used for opening and closing the through holes are arranged on the closestool cover. According to the odor-resistant closestool, the through holes are formed in the closestool cover, the blocking covers used for opening and closing the through holes are arranged on the closestool cover, the closestool cover can be put down and the through holes can be opened when odor removal is conducted, and in this way, odor in the closestool body can be prevented from diffusing to a washroom, air circulation can be achieved between the through holes and the suction port during odor removal, and then odor in the closestool body can be removed smoothly and quickly through the suction fan.

The invention discloses submersible or buried box type high-voltage power transformer equipment, which comprises a box body and high-voltage power transformer equipment built in the box body, wherein the box body has an all-welded closed structure; the side wall of the box body is provided with an inlet cable and an outlet cable; connecting parts of the inlet cable and the outlet cable and the box body are sealed by seals; an air inlet pipe and an air outlet pipe penetrate the top of the box body in a sealing way; the parts of the air inlet pipe and the air outlet pipe extending into the box body have an altitude difference; a waterproof cap is arranged above the air inlet pipe and the air outlet pipe; and an antenna is erected above the waterproof cap. The box type power transformer equipment has simple structure and good sealing and cooling effects, does not occupy ground resources, can be widely applied to underground or underwater of various complex environments such as rivers, lakes, pits and the like, and can realize the remote control of the power transformer equipment in the box body through the antenna.

The invention discloses an air circulating dust-removing system for an industrial workshop. The air circulating dust-removing system comprises an air exhausting device (1), a first frame body (2), a water pumping device (3), an air spraying device (4), a first pipeline device (5), a first filtering device (6), a second pipeline device (7), an exhausting device (8) and a second filtering device (9), wherein the air exhausting device (1) comprises an air exhausting pipe (11), a first fan (12), a first valve (13) and a first supporting rod (14); the first frame body (2) is provided with a first through hole (21), a second through hole (22), a third through hole (23), a fourth through hole (4), a first pipeline (25), a second valve, a first inclined plate and a fifth through hole; and the water pumping device comprises a water pumping pipe, a first water pump and a third valve. The aie circulating dust-removing system disclosed by the invention has the advantages that smoke dust in a power plant workshop can be suctioned and then is fully contacted with purified water sprayed, so that a large amount of impurities in the smoke dust are removed.

The invention relates to the technical field of greenhouse dendrobium planting, and discloses movable culture equipment in a dendrobium planting process. The movable culture equipment comprises a bottom plate and an outer box body fixed to the top of the bottom plate, wherein width variable wheels are arranged at the bottom of the bottom plate, four supporting pieces distributed in a rectangular shape are further fixed to the bottom of the bottom plate, a blowing part is arranged at the top end of the left side of the top of the outer box body, a material mixing box is fixedly installed on the inner bottom wall of the outer box body, a liquid adding pipe communicates between the top of the material mixing box and the top of the outer box body, a motor is fixedly installed on the top of the outer box body, an output shaft of the motor penetrates through the top of the outer box body and is fixedly provided with a rotating rod, a U-shaped frame is fixed to the middle of the rotating rod, a connecting rope is arranged on the U-shaped frame through a rotating ring, and one end of the connecting rope is arranged on the blowing part. The movable culture equipment in the dendrobium planting process solves the problems that manual humidification for traditional greenhouse dendrobium cultivation is time-consuming, labor-consuming and high in labor intensity, and when an existing humidifier is used, the humidification range is small, humidification is not uniform and the same efficiency is low.

The invention relates to a heat exchanger for equipment, which belongs to the technical field of heat exchange; the fan is arranged at one end inside the front cover; the other end of the front cover is provided with a cold air outlet; There is an air purification structure; the air purification structure is vertically arranged in the middle of the front cover, and several aluminum heat dissipation plates are parallel to the air purification structure; and the ends of the several aluminum heat dissipation plates are perpendicular to the air purification structure Side; the plurality of aluminum heat dissipation plates cooperate with the semiconductor refrigerator on the main body mounting plate; the semiconductor refrigerator is equipped with a temperature control; it realizes the internal air circulation of the electric box, does not need to absorb external air, and achieves a constant temperature Confined space, effectively prolonging the service life of electric box components; it uses semiconductor refrigeration, only needs to be powered on to work, does not need to be equipped with a water cooler, can reduce costs, and is easy to install. When installing, only need to pass through the four gourd holes on the side Just fix it with screws.

The invention belongs to the technical field of pets, and particularly relates to a novel pet cage. The novel pet cage comprises a cage body, wherein a fixing table is fixedly connected into the cagebody, a motor body is fixedly connected into the cage body, a driving wheel is fixedly connected to the surface of an output shaft of the motor body, a conveying disc is fixedly connected to the surface of the output shaft of the motor body, a chain is arranged on the surface of the conveying disc, a second connecting piece is fixedly connected to the interior of the cage body, a conveying belt body is movably connected to the surface of the second connecting piece, a movable bin is formed in the cage body, a first connecting piece is fixedly connected to the interior of the movable bin, and aconveying shaft is arranged on the surface of the first connecting piece. According to the novel pet cage, by arranging the conveying belt body with a certain inclination angle, pet urine can be drained to an excrement collecting device along with gravity, then the conveying belt body is started, and when the conveying belt body is started, a pet is reminded to stand on the conveying belt body towalk through repeated temporary starting and stopping of the motor body.

The invention relates to an indoor environment monitoring apparatus and monitoring system, and a monitoring method thereof. With the environment monitoring apparatus, the indoor temperature and humidity, the light intensity, and contents of the CO2, formaldehyde and volatile organic compounds and the like can be monitored. In addition, one or more environment monitoring apparatuses form an environment monitoring system based on networking. With a corresponding monitoring method, continuous and long-time monitoring of an environment inside corresponding space can be realized, thereby obtaining a space environment model. The monitoring system can feed back the monitoring environment data to an HVAC system or an illumination control system, thereby realizing automatic controlling of the indoor temperature, humidity, air cleanness, air circulation, and light intensity.

The invention discloses a photovoltaic inverter electric cabinet which comprises a main cabinet body; the inner of the main cabinet body is provided with a photovoltaic inverter and an electric cabinet; the inner of the main cabinet body is covered with insulation rock wool; The main cabinet body is provided with a wire entrance hole and a man hole; the side wall of the main cabinet body is provided with an exhausting fan which is used for exhausting hot air from the box; the outer part of the exhausting fan is provided with a wall-mounted rain cover; the outer wall of the main cabinet body is provided with a shutter. The provided photovoltaic inverter electric cabinet has reasonable structure; the effective operation space of the electric cabinet can be met; the temperature inside the cabinet is controllable.

The invention discloses a forward flow type smoke purification system. The forward flow type smoke purification system comprises an air blower and n groups of pipelines which are arranged on two sidesof the inside of a plant, n is greater than or equal to 1, each group of pipelines comprise an air supply pipeline and an air suction pipeline which are oppositely arranged on two sides of the plant,an air inlet of the air blower is arranged outside the plant, each air supply pipeline communicates with an air outlet of the air blower, each air suction pipeline communicates with a suction fan, and a dust remover is further arranged between each air suction pipeline and the suction fan in a communicating manner; m rows of vertical columns can be arranged in the plant, m is greater than or equal to 1, workshop units are formed on the left side and the right side of each row of vertical columns, and an air suction pipeline a and an air supply pipeline a are respectively fixed on the two sides of each vertical column. According to the purification flow field of the forward flow type smoke purification system, purification treatment is realized through the forward air flow in a two-dimensional plane space or a three-dimensional space. According to the invention, indoor and outdoor air circulation is realized, air flow delivery of a plurality of unit workshops is realized through the forward air flow, the purification effect is improved, the energy consumption is reduced, and finally, purified gas can be discharged at high altitude in an organized manner.