32results about How to "Good constant temperature effect" patented technology

The invention relates to the field of temperature control, in particular to an automatic control method and system for a constant-temperature test room. The method comprises the following steps: acquiring real-time indoor operation monitoring parameters and external environment multi-dimensional data of a constant-temperature test room; performing indoor operation state analysis on the real-time indoor operation monitoring parameters, and constructing a laboratory dynamic state space model; carrying out multi-time-point environment temperature fluctuation calculation on the external environment multi-dimensional data, and carrying out nonlinear correlation learning to generate indoor state-environment nonlinear correlation characteristics; carrying out dynamic temperature evolution simulation on the laboratory dynamic state space model based on the indoor state-environment nonlinear correlation characteristics, and carrying out dynamic temperature evolution prediction to obtain temperature prediction values of a plurality of regions; constant-temperature deviation compensation calculation is carried out on the temperature prediction values of the multiple areas, then intelligent temperature control compensation is carried out, and an intelligent temperature control strategy is constructed; according to the invention, efficient and accurate constant-temperature automatic control is realized.

The invention relates to an intelligent photovoltaic curtain wall which has the function of adjusting light transmission intensity. The surface of the photovoltaic curtain wall is fully covered by the photovoltaic module, the supporting body is installed behind the photovoltaic battery module, and the photovoltaic module is fixed on the supporting body through the module fastener. Air hole channels are arranged among the photovoltaic modules to adjust temperature, and air holes can be connected with external constant-temperature systems such as a central air conditioner, so that the photovoltaic curtain wall has good constant-temperature capability. The photovoltaic cell is located between the guide rails, and the controller controls the driving motor to achieve movement of the cell position, so that the light transmission intensity is adjusted in good time. A mechanical arm and a control motor are arranged in the photovoltaic cell storage box and used for storage and output of photovoltaic cells, and the control motor receives instructions of the controller to operate. The controller is connected with the driving motor and the control motor through data lines, the shielding area ratio of the photovoltaic cell is automatically adjusted according to user requirements, and automatic adjustment of the light transmission intensity is achieved.

The present invention discloses a liquid fermentation tank integrating a columnar enhanced high-voltage electrostatic field generating device, comprising a fermentation tank body, a fermentation tank upper cover, a stirring device, a control device and an enhanced high-voltage electrostatic field generating device, the top of the fermentation tank body is connected to the bottom of the upper cover, the stirring device and the enhanced high-voltage electrostatic field generating device are both installed in the fermentation tank body, the control device is installed on the outside of the fermentation tank body, and the control device is connected to the enhanced high-voltage electrostatic field generating device. The present invention realizes the circulation of fermentation liquid in the high-voltage electrostatic field generating device, thereby improving the coverage and uniformity of the electric field treatment of the fermentation liquid, enhancing the influence of the electric field on the fermentation process, helping to inhibit the growth of harmful bacteria, helping to accumulate secondary metabolites of the main fermentation bacteria, and helping to inhibit or promote specific enzymatic release.

The utility model discloses a valve device and gas water heater, valve device includes valve body and valve core subassembly, and valve body is equipped with valve cavity and with the water inlet channel, first water outlet channel and second water outlet channel of valve cavity intercommunication, and first water outlet channel has with the first water pass -through of valve cavity intercommunication, and second water outlet channel has with the second water pass -through of valve cavity intercommunication, first water pass -through is located in the peripheral wall surface of valve cavity, valve core subassembly includes the rotation axle of rotation in the valve cavity and the first valve core and second valve core of fixedly being equipped with the rotation axle and being spaced, and first valve core is rotated with the peripheral wall surface of valve cavity and is shielded or open first water pass -through, is used for adjusting the on -off area of valve cavity and first water outlet channel, and second valve core rotates in the valve cavity to shield or open second water pass -through, is used for adjusting the on -off area of valve cavity and second water outlet channel. The utility model discloses technical scheme the utility model discloses technical scheme can reduce the fluctuation range of gas water heater water temperature, and promotes the constant temperature performance.

The invention relates to the technical field of household appliances, in particular to a constant temperature device, and aims to solve the problem that an existing constant temperature device is poor in constant temperature effect. Therefore, the constant temperature device comprises a valve body, a valve sleeve, a valve element and a driving mechanism. The valve body is provided with a mounting cavity, a cold water runner, a hot water runner, a cold water inlet communicated with the cold water runner, a hot water inlet communicated with the hot water runner and a constant-temperature water outlet communicated with the mounting cavity; the valve sleeve is arranged in the mounting cavity, the valve element is arranged in the valve sleeve, the valve element is provided with a mixed water cavity, a first cold water opening and a first hot water opening, the first cold water opening and the first hot water opening are communicated with the mixed water cavity, and a second cold water opening and a second hot water opening are formed in the positions, corresponding to the cold water outlet and the hot water outlet, of the valve sleeve correspondingly. And the communication area of the first cold water port and the second cold water port and the communication area of the first hot water port and the second hot water port are adjusted. By accurately controlling the position of the valve element, the output water temperature is accurately adjusted.

The present invention provides a multifunctional electric heater, including: a first functional component, which includes a heating component; a second functional component, which includes an air purification component and an atomization component, the air purification component has an air inlet and an air outlet, and the atomization component has a mist outlet; wherein the air outlet corresponds to the heating component to drive the heated air near the heating component to diffuse in a direction away from the heating component, and the second functional component is a columnar structure as a whole, one end of which is the air purification component and the other end is the atomization component, and the air outlet and the mist outlet are close to the air outlet of the air purification component. Based on the technical solution of the present invention, the dry environment in winter can be improved, so that users can be more comfortable when using electric heaters; improve air quality, so that users can ensure warmth in winter without causing physical harm and influence due to the closed environment, increase the heat generation of the electric heater and the speed of heat diffusion, and improve the constant temperature effect.

The present invention discloses a gas chromatograph, comprising a housing, a carrier gas supply unit, a sampling unit, a separation unit and a liquid heating unit arranged in the housing. The separation unit comprises a substrate and a plurality of chromatographic column modules, and a plurality of mutually independent mounting cavities are formed on the substrate. A joint assembly is arranged on the side wall of each of the mounting cavities, and a heating layer is arranged on the substrate on one side of the plurality of mounting cavities, and a cavity for storing a heat-insulating liquid is formed in the heating layer, and the cavity comprises a plurality of sub-channels corresponding to each mounting cavity and being mutually independent, and the inlet and outlet of each of the sub-channels are respectively connected with the pipeline of the liquid heating unit and form a circulation loop. The structure can be used to facilitate the installation of the chromatographic column module, especially when the chromatographic column module needs to be replaced, which is conducive to improving the work efficiency, and because the heat-insulating liquid has a good constant temperature effect, the heat-insulating effect of the chromatographic column module can be guaranteed, which provides a guarantee for the experiment and ensures the accuracy of the temperature control of the chromatographic column module.

The utility model relates to the technical field of tea making machine accessories, and particularly discloses a tea making machine constant-temperature water outlet valve structure which comprises a tea making machine body, a valve body mechanism assembled on the tea making machine body, an adjusting mechanism assembled on the valve body mechanism and a locking mechanism assembled in the adjusting mechanism. The valve body mechanism comprises a shell fixedly installed in the tea making machine body, a water outlet chamber, a cold water chamber and a hot water chamber are formed in the shell, the cold water chamber is communicated with the water outlet chamber through a cold water outlet, and the hot water chamber is communicated with the water outlet chamber through a hot water outlet; the adjusting mechanism comprises a threaded rod rotationally installed between the cold water chamber and the hot water chamber. The size of the cold water outlet and the size of the hot water outlet can be conveniently adjusted, the mixing proportion of cold water and hot water can be accurately controlled, a thermosensitive element does not need to be used, and the constant temperature effect is effectively improved.

The invention relates to the technical field of graining treatment of flash non-woven fabrics, in particular to a graining pretreatment production line suitable for flash non-woven fabrics, which comprises two groups of support arms and two groups of C-shaped parts, and the two groups of C-shaped parts are respectively mounted on the outer side walls of the two groups of support arms; the device comprises two sets of C-shaped pieces, a driving device, a supporting device, a processing device, a discharging device, a supporting base, a plurality of sets of first air cylinders, four sets of clamping plates, a first graining roller and a plurality of sets of second graining rollers, the driving device is arranged on the supporting base and used for driving the two sets of supporting arms to move and adjust, and the multiple sets of first air cylinders are installed on the outer side walls of the two sets of C-shaped pieces correspondingly. The four clamping plates are oppositely installed at the moving ends of the first air cylinders correspondingly, and the first graining roller and the second graining rollers are rotationally installed on the supporting device. The convenience of stretching treatment before graining treatment of the flash non-woven fabric is improved, the working efficiency is improved, and the graining processing convenience of the flash non-woven fabric is improved.

The utility model discloses a valve device and gas water heater relates to water heater technical field. Among them, valve device includes valve body, fixed cover subassembly and valve core subassembly, and valve body is equipped with valve cavity and with valve cavity communication's water inlet channel, first water outlet channel, second water outlet channel and mounting port, and first water outlet channel has with valve cavity communication's first water pass -through, and second water outlet channel has with valve cavity communication's second water pass -through, valve body is equipped with with mounting port connection's first guide structure in the inner wall surface of valve cavity, fixed cover subassembly is installed in valve cavity through mounting port, and the outer wall surface of fixed cover subassembly is equipped with second guide structure, and second guide structure is limited with first guide structure and cooperates, valve core subassembly is installed in fixed cover subassembly, and can rotate in valve cavity to adjust the water flow of first water pass -through and second water pass -through. The utility model technical scheme can prevent fixed cover subassembly and valve body assembly deviation, guarantee valve device's assembly quality, promote assembly efficiency.

The invention discloses a constant temperature type heat exchanger, and relates to the field of heat exchangers, the constant temperature type heat exchanger comprises a device main body, a water inlet of the device main body is connected with a first water storage box, a water outlet of the device main body is connected with a second water storage box, a positioning block is fixed on the inner side of an L-shaped clamping block, and the positioning block is in sliding connection with a first positioning groove; a first telescopic groove is formed in the top of the L-shaped clamping block in a penetrating mode, a pull rod is slidably arranged in the first telescopic groove in a penetrating mode, and a clamping block is fixed to the bottom end of the pull rod. According to the constant-temperature type heat exchanger, the heat preservation cover and the heat preservation plate can reduce the temperature reduction efficiency of the heat exchanger through heat preservation materials of the heat preservation cover and the heat preservation plate, water in the first connecting pipe and water in the second connecting pipe do not exchange heat through the device body, and heat can be transferred to residual water in the device body; and when the guide cylinder is fixed, the flange can extend the length of the double-end connector, so that the double-end connector is convenient to assemble.

The utility model relates to the technical field of seat production, in particular to a seat cover hot press which comprises a base table, a hot press frame is arranged on the upper side of the base table, a pressing plate capable of moving up and down is arranged on the hot press frame, a base is detachably assembled on the base table, and a circuitous constant-temperature pipeline is arranged on a pressing plate lifting movement track below the pressing plate and in a constant-temperature cabin. The constant-temperature cabin is externally connected with a constant-temperature source, the hot-pressing frame is arranged to provide support for the pressing plate, the base is detachably assembled on the base table so that the use convenience of the base can be improved, and in order to ensure that the seat cover in the base can be better attached to sponge, the constant-temperature cabin is used for conducting constant-temperature treatment on the seat cover; the constant-temperature cabin is arranged in the seat cover and matched with the pressing plate to enable the attaching degree of the seat cover and the sponge to be higher, in order to improve the constant-temperature uniformity, the constant-temperature pipeline distributed in a circuitous mode is arranged in the constant-temperature cabin, the constant-temperature effect can be improved, and the uniformity of constant-temperature treatment can be improved.

The invention discloses a holly pollen low-temperature preservation device which comprises a shell, a pollen storage assembly is arranged in the shell, a plurality of blocking assemblies and rotating assemblies are arranged at the top of the shell, a refrigeration assembly is arranged on the inner side, close to the lower portion of the pollen storage assembly, of the shell, the pollen storage assembly comprises a containing shell, and a baffle is arranged on one side of the top of the containing shell; two handles are arranged on the outer wall of one side of the containing shell, sealing assemblies are arranged on the outer walls of the two sides of the end, close to the baffle, of the containing shell, a long plate is arranged on the inner wall of the containing shell, a plurality of rotating holes are formed in the long plate, a plurality of clamping bolts are arranged on the outer walls of the two sides of the containing shell, and a plurality of side openings are formed in the outer walls of the two sides of the containing shell. The hand grabbing disc is rotated to drive the top disc, the middle disc, the bottom disc and the ilex pollen sample pipe to rotate, and after the ilex pollen sample pipe rotates to the position under a pipe opening, pollen in the sample pipe is extracted in cooperation with an existing pollen pollinator, and the portability of operators is improved.

The invention discloses a valve device and a gas water heater, and relates to the technical field of water heaters. The valve device comprises a valve body and a valve element assembly, the valve body is provided with a valve cavity, a water inlet runner, a first water outlet runner and a second water outlet runner, the water inlet runner, the first water outlet runner and the second water outlet runner are communicated with the valve cavity, the first water outlet runner is provided with a first water passing opening communicated with the valve cavity, and the second water outlet runner is provided with a second water passing opening communicated with the valve cavity; the first water through hole is formed in the peripheral wall surface of the valve cavity; the valve element assembly comprises a rotating shaft rotationally arranged in the valve cavity, a first valve element and a second valve element, the first valve element and the second valve element are fixedly arranged on the rotating shaft in a spaced mode, and the first valve element is rotationally matched with the peripheral wall face of the valve cavity to shield or open the first water passing opening and used for adjusting the communication area of the valve cavity and the first water outlet runner. The second valve element rotates in the valve cavity to shield or open the second water passing opening and is used for adjusting the communication area of the valve cavity and the second water outlet flow channel. According to the technical scheme, the fluctuation amplitude of the outlet water temperature of the gas water heater can be reduced, and the constant-temperature performance is improved.

The utility model discloses a valve device and gas water heater relates to water heater technical field, wherein, valve device includes valve body and valve core subassembly, valve body is equipped with valve cavity and with the water inlet channel of valve cavity communication, first water outlet channel and second water outlet channel, and first water outlet channel has with the first water pass -through of valve cavity communication, and second water outlet channel has with the second water pass -through of valve cavity communication, valve core subassembly rotatablely is located in valve cavity, valve cavity includes the first valve core and second valve core of axial interval, and first valve core is equipped with overflow hole, and the first valve core rotation can change the conduction area of overflow hole and first water pass -through, and the conduction area is gradually changed design when first valve core rotates, and second valve core is used for shielding or open second water pass -through to adjust the conduction area of valve cavity and second water outlet channel. The utility model provides technical scheme can promote the regulation precision of water flow flow.

The utility model relates to the field of intelligent cabinets, and discloses a constant-temperature intelligent cabinet which comprises a main body, a storage box is clamped on one side of the main body, a second rotating shaft is rotatably arranged on the inner bottom surface of the main body, a cylindrical box is clamped on the outer surface of the second rotating shaft, and an inductor is fixedly arranged on the inner wall of one side of the main body. Two rotating columns are rotationally arranged on the inner walls of the two sides of the main body correspondingly, rotating plates are fixedly arranged on one sides of the two rotating columns correspondingly, four first rotating shafts are rotationally arranged on one sides of the two rotating plates correspondingly, connecting rods are fixedly arranged on one sides of the eight first rotating shafts correspondingly, and sliding boxes are fixedly arranged on the lower end faces of the four connecting rods correspondingly. According to the constant-temperature box, the storage box arranged on one side of the main body in a clamped mode can be used for containing objects which do not need to keep constant temperature, the space occupied by the objects in the constant-temperature box is reduced, and the second rotating shaft rotationally arranged on the inner bottom face of the main body is connected with the cylindrical box in a clamped mode in the using process, so that the cylindrical box can rotate.

The invention discloses a bypass flow control unit and a water heater, the bypass flow control unit is used for the water heater, the water heater is provided with a water inlet pipe and a water outlet pipe, and the bypass flow control unit comprises a first bypass channel used for communicating the water inlet pipe with the water outlet pipe; the second bypass channel is used for communicating the water inlet pipe with the water outlet pipe; and the bypass control valve is arranged on the first bypass channel, and the bypass control valve is used for regulating and controlling the water flow passing through the first bypass channel. According to the technical scheme, the constant-temperature performance of the water heater can be improved, and the service life is prolonged.

The utility model discloses a heating atomizer which comprises an equipment head, a temperature control screen is fixedly connected to the top of the equipment head, a protective shell is fixedly connected to the bottom of the equipment head, suction equipment is fixedly connected to the position, close to one side, of the equipment head, and a liquid storage chamber is movably connected to the bottom of the protective shell in a sleeved mode. A storage battery is fixedly connected to the inner side of the protective shell, a constant-temperature pipe is fixedly connected to the inner side of the equipment head, a liquid filtering ball is arranged at the position, close to the bottom, of the inner side of the liquid storage chamber, and a communicating pipe is fixedly connected to the top of the liquid filtering ball. The heating sleeve and the heat conduction pipe are arranged, so that the heating time is prolonged, the heating effect is guaranteed, the body feeling of a user during use is improved, and the irritation to the respiratory tract caused by the low temperature of liquid medicine when the external air temperature is low is reduced.

The utility model discloses a constant temperature distribution box relates to vegetables distribution technical field, aims at solving when distribution box is placed in outside environment, and the cold storage agent in the box can gradually melt, leads to heat to be unable to be delivered to the cold source depth efficiently, finally leads to the whole constant temperature performance to be not good, effective fresh -keeping time shortening's problem. Its technical scheme main points are: including the box with the side plate, the fixed connection with having a plurality of exhaust holes's fixed sheet of box inner wall, is installed between fixed sheet and the fan of box bottom. The utility model discloses a fan, gas pipe, the setting of heat conduction sheet, to this realizes the effect of the air in the box to carry out self -circulation, exports the hot gas in the box and converts into the cold gas again and then sends back to the box, realizes the temperature in the box always keeps low -temperature state, improves the constant temperature effect of distribution box, improves the fresh -keeping time of vegetables.

A material constant temperature device comprises an outer sleeve, an inner pipe is arranged in the outer sleeve, the inner pipe is provided with a material inlet and a material outlet, and the outer sleeve is provided with a hot water inlet and a hot water outlet. The hot water inlet is connected with an outlet of a tubular heat exchanger through a pipeline and further connected with a water source through a pipeline and a water supplementing valve, the hot water outlet is connected with an outlet of the tubular heat exchanger through a pipeline, and a temperature sensor and a water pump are arranged on the pipeline between the hot water outlet and the outlet of the tubular heat exchanger. A steam inlet of the tubular heat exchanger is connected with a steam source through a pipeline, a steam adjusting valve, a steam automatic stop valve and a manual stop valve. According to the material constant temperature device, the tubular heat exchanger is used as a heat exchange part, efficient heat exchange of materials is achieved through circulating flowing of hot water and steam, and energy consumption is reduced. And through linkage of the steam regulating valve and the temperature sensor, the steam opening degree is accurately controlled, and therefore accurate regulation and control over the hot water temperature are achieved.

The utility model discloses a hand-push type emulsified asphalt constant-temperature spreader, and relates to the technical field of pavement construction. The device comprises a trolley, a heat preservation box, a sealing top cover and a conveying pipe, the heat preservation box is fixed to the center of the top of the trolley, a containing opening is formed in the center of the top of the heat preservation box, a heating plate is fixed to the portion, below the containing opening, of the heat preservation box, the sealing top cover is arranged at the top end of the heat preservation box, and an inflation pump is fixed to the center of the top of the sealing top cover. The output end of the inflation pump communicates with the heat preservation box, and one side of the heat preservation box fixedly communicates with a conveying pipe. By arranging the trolley, the heat preservation box, the sealing top cover and the conveying pipe, the problems that a hand-push type emulsified asphalt spreader is not good enough in constant-temperature effect, pressure is continuously reduced in the asphalt spreading process, and the asphalt spreading uniformity is influenced are solved, and the hand-push type emulsified asphalt spreader has the advantages that the hand-push type emulsified asphalt spreader is good in constant-temperature effect and high in practicability. And the pressure uniformity of spreading is better.

The utility model belongs to the technical field of electric heating basins, and particularly relates to a novel plastic-wood electric heating basin which comprises a top assembly and a foot entering assembly arranged at the bottom of the top assembly and further comprises a stone fixing assembly arranged on the inner wall of the foot entering assembly. According to the novel plastic-wood electric heating basin, through combined application of accessories, a stone fixing assembly is arranged in the solid wood inner container, after a movable plate carrying a rubber block is unfolded, a medical stone plate and a selenium-rich stone plate can be fixed, and therefore the medical stone plate and the selenium-rich stone plate can be fixed; trace elements are gradually dissolved out during foot bath, the medical stone plate and the selenium-rich stone plate can be more flexibly combined in the basin body, later maintenance is easy, the foot inlet assembly formed by combining plastic and wood is not prone to water seepage, and the constant-temperature effect is better in cooperation with the constant-temperature assembly internally provided with a constant-temperature electric heating plate.

The application discloses a constant temperature control method of an intelligent electric appliance and the intelligent electric appliance. The constant temperature control method comprises the following steps: S1, obtaining water inflow M in a main channel; S2, if the water inflow M is 0, entering step S3; if the water inflow M is greater than 0, returning to step S1; S3, opening a bypass electromagnetic valve; obtaining water inflow temperature T in the main channel, judging whether the water inflow temperature T is greater than or equal to a preset temperature T0, if yes, opening a circulating water pump for a first preset time A1, if no, opening the circulating water pump for a second preset time A2; S4, obtaining water inflow M' in the main channel again; S5, if the water inflow M' is 0, returning to step S4, if the water inflow M' is greater than 0, entering step S6; S6, comparing the relationship between the water inflow M and the water inflow M', if M' is greater than M, closing the bypass electromagnetic valve; if M' is less than or equal to M, closing the bypass electromagnetic valve after a third preset time A3.

The utility model discloses a suit with rain-proof, constant-temperature and warm-keeping functions, and relates to the technical field of suits, the suit comprises a suit body, the suit body comprises a first jacket surface and a second jacket surface, the front side of the first jacket surface is fixedly provided with a base through press fit, and the front side of the base is provided with a fixing buckle; the anti-wrinkling mechanism is arranged between the rainproof layer and the constant-temperature layer, wrinkles and influence on the image can be avoided by utilizing the high resilience of reinforced cotton strips and polyester, and the rainproof layer is formed by combining rainproof silk, PU fabric and windproof cotton, so that the effects of keeping out wind, defending against cold, preventing rain and the like can be achieved at the same time, and the effects of keeping warm and locking temperature can be doubled; the constant-temperature layer is made of cashmere protein fiber materials, the skin-friendly layer is made of pure cotton fibers, the overall constant-temperature effect is improved, excessive loss of heat is avoided, and the overall skin-friendly effect is high.

The invention provides a photo-thermal reaction device, and relates to the technical field of photo-thermal catalysis. The device comprises light source assemblies, a heat collection tube, a reaction tube and a temperature probe, the light source assemblies are distributed on the outer side of the heat collection tube in the circumferential direction, the light source assemblies are provided with photo-thermal light sources and / or photo-reaction light sources capable of irradiating the heat collection tube in the axial direction of the heat collection tube, a main body of the reaction tube is placed in the heat collection tube, and the two ends of the reaction tube penetrate out of the ends of the heat collection tube; and the main body of the temperature probe is placed in the heat collecting tube. According to the photo-thermal reaction device, the all-round light source assembly is arranged on the outer side of the heat collecting pipe, high irradiation energy density and high irradiation uniformity can be provided for the heat collecting pipe, the constant-temperature effect of the constant-temperature area is improved, the light source assembly has rich combination forms, the photo-thermal reaction device can conduct photo-reaction, thermal reaction and photo-thermal integrated reaction, and the photo-thermal reaction efficiency is improved. And the reaction tube is matched in the heat collecting tube, so that the photochemical reaction system with high heat collecting efficiency is integrally formed.

The utility model discloses a valve device and gas water heater, wherein, the valve device includes valve body, shelter piece and valve core subassembly, and the valve body is equipped with the valve cavity and with the water inlet channel, first water outlet channel and second water outlet channel of valve cavity communication, and the first water outlet channel is communicated with the valve cavity through the first water pass-through, and the shelter piece is integrally formed in the valve body, and the shelter piece is equipped with the second water pass-through that communicates second water outlet channel and valve cavity, and the valve core subassembly rotatably is located in the valve cavity, and the valve core subassembly includes the first valve core and the second valve core of axial interval, and the first valve core rotates in the valve cavity to shelter or open the first water pass-through, is used for adjusting the conduction area of valve cavity and first water outlet channel, and the second valve core is rotated with shelter piece cooperation, to shelter or open the second water pass-through, is used for adjusting the conduction area of valve cavity and second water outlet channel. The utility model technical scheme can improve the water temperature fluctuation, promote the constant temperature performance, can reduce the assembly difficulty of valve device simultaneously, promotes the production efficiency.

The utility model belongs to valve technical field, specifically disclose a kind of water gas linkage valve and gas hot water equipment. Water gas linkage valve includes the gas valve body with gas inlet passage, the linkage valve body with outlet valve port and solenoid valve, gas inlet passage has inlet valve port, solenoid valve includes electromagnetic module, outer valve core subassembly and inner valve core subassembly, outer valve core subassembly has outer obturator, inner valve core subassembly has inner obturator, solenoid valve has the closing state that inner obturator and outer obturator both obturates inlet valve port and the opening state that inner obturator and outer obturator both open inlet valve port;Valve core has the sealing portion for obturating outlet valve port, the hardness of sealing portion is greater than the hardness of inner obturator and outer obturator.This utility model can improve the control accuracy and control sensitivity of valve core, improve the control accuracy of water gas linkage valve and gas hot water equipment, improve the thermostatic effect of gas hot water equipment.

Concrete curing equipment comprises a box body, the box body is of a box body structure with an open front side face, each side wall of the box body is of a hollow structure, and the hollow structures form a heat preservation cavity; the temperature and humidity adjusting assembly is mounted in the heat preservation cavity; the placing assembly is mounted in the inner cavity of the box body; the air outlet assembly is mounted on one side of the placement assembly; according to the technical scheme, the heat preservation cavity is formed in the side wall of the box body, so that the temperature in the box body is kept consistent as much as possible, the constant-temperature effect is better, the contact area between the concrete test block and air can be increased as much as possible through the placement assembly, and temperature transfer of all the surfaces of the concrete test block is kept uniform; meanwhile, by matching with the air outlet assembly, water vapor can be conveyed into the box body from various angles to regulate and control the temperature and humidity in the box body, so that the temperature transfer on the surface of the concrete test block is more uniform.

The utility model discloses a valve device and gas water heater relates to water heater technical field, wherein, valve device includes valve body and valve core subassembly, valve body is equipped with valve cavity and with valve cavity communication's water inlet flow channel, first water outlet flow channel and second water outlet flow channel, and first water outlet flow channel has with valve cavity communication's first water pass -through, and second water outlet flow channel has with valve cavity communication's second water pass -through, valve core subassembly rotatablely is located in valve cavity, valve core subassembly includes axially spaced first valve core and second valve core and is connected first valve core and second valve core's connecting structure, and connecting structure is located in the periphery of valve core subassembly rotation center, and first valve core is used for shielding or opening first water pass -through to adjust the conduction area of valve cavity and first water outlet flow channel, and second valve core is used for shielding or opening second water to adjust the conduction area of valve cavity and second water outlet flow channel, the utility model provides technical scheme can avoid in flow channel and produce turbulence, to reduce water flow resistance.

The present invention relates to an automatic adjustment method for a gas water heater. During the operation of the gas water heater, the theoretical proportional valve current Ic and the actual proportional valve current I of the current combustion stage s of the gas water heater are calculated, and the deviation coefficient Asj of I relative to Ic is calculated, where I=AsjIc; j is a natural number; when the deviation value |1-Asj|≥B, Asj is recorded, where B is a preset deviation threshold, 0<B<1; when the situation of |1-Asj|≥B continuously appears and satisfies the preset abnormal working condition, it is judged that the situation is caused by gas source parameter difference and / or component aging, and at this time, the calculation parameter of the theoretical proportional valve current Ic is corrected to C in the control system. The automatic adjustment method for the gas water heater can effectively discover abnormal working conditions that cannot be solved, such as gas source parameter difference and component aging, thereby avoiding repeated adjustment of the gas water heater due to abnormal working conditions, thereby improving the adjustment speed of the constant temperature of the outlet water.