46results about How to "Increase usable space" patented technology

The invention discloses an cast-in-place reinforced concrete hollow heating and cooling floor, comprising floors which is made of reinforced concrete beams, ribs, plates and the cavity components in it, in the centre of cavity components is an insulation board separating the cavity into upper and lower cavity, the upper cavity is installed with heating pipe, both ends of the heating pipe are exposed to the stated cavity components, a number of heating pipe are connected through the first connecting pipe forming heating pipe group, the lower cavity is installed with cooling pipes , both ends of the cooling pipe are exposed to the stated cavity components, a number of cooling pipe are connected through the first connecting pipe forming cooling pipe group. The heating pipe group and the heat media supply system are connected, the heat media flows through the heating pipe to heat environmental space on the floor, the cooling pipe group and the cold media supply system are connected, the cold media flows through the cooling pipe group to supply cool to the environmental space on the floor. The invention is simple in structure, with good heating or cooling effect and low cost, and there may be helpful in expanding the applicable space.

The present invention relates to a cast-in-situ reinforced concrete hollow heating floor. It includes floor, said floor is formed from reinforced concrete and several hollow cavity members contained in the reinforced concrete, on said floor a ground surface decoration layer is set, in said hollow cavity member a heating pipe is set, two ends of said heating pipe are exposed from said hollow cavity member, several heating pipes are successively connected by means of connecting pipe to form heating pipe group. Said heating pipe group is connected with heat source supply system.

An embedded semiconductor chip structure and a method for fabricating the same are proposed. The structure comprises: a carrier board, therewith a plurality of through openings formed in the carrier board, and through trenches surrounding the through openings in the same; a plurality of semiconductor chips received in the through openings of the carrier board. Subsequently, cutting is processed via the through trenches. Thus, the space usage of the circuit board and the layout design are more efficient. Moreover, shaping time is also shortened.

The invention discloses a back frame for mounting a backlight, the backlight and a display device. The back frame comprises a frame body and a light source base; the frame body comprises a containing space for bearing a light guide plate; the light source base is detachably connected with the frame body, and a light source is placed on the light source base. The backlight comprises the back frame. The display device comprises the backlight. Since the light source base is detachably connected with the frame body, the light source placed on the light source base can be dismounted from the back frame, consequently, the light source can be replaced under the premise that a display panel is not dismounted, the internal environment of the backlight cannot be destroyed, the internal material of the backlight cannot be injured or damaged, as a result, the replacement cost is reduced, and resource waste is prevented.

The invention relates to a cold storage and refrigeration device and a drawer assembly thereof. The drawer assembly comprises a seal bucket with an opening in the front end, a tray and a drawer; the seal bucket comprises a bucket body and a bucket cover, the tray is arranged to be inserted into the bottom of the seal bucket through the opening in the front end in a push and pull manner, the draweris borne on the tray, and is arranged to be inserted into the seal bucket in a push and pull manner along with the tray, and the drawer is provided with a drawer body and a front end plate arranged on the front side of the drawer body. The tray is located on the head of the outer side of the seal bucket when the drawer is in the completely closed state, the head of the tray and the drawer are inair tight seal through a seal part, the head of the tray and the front end of a bottom plate of the seal bucket are in air tight seal through a seal part, the front end plate and the front end of thebucket cover of the seal bucket are in air tight seal through a seal part, and the bucket body and the bucket cover are in air tight seal through a seal part, so that when the drawer is in the complete closing state, a sealed storage space is formed in the drawer. Manufacturing, maintaining or replacing and the like of all parts is facilitated, seal with the good effect and the higher level can beformed in the drawer.

The invention discloses a running and parking integrated air conditioner and a control system thereof. The running and parking integrated air conditioner comprises a running compressor, a parking compressor, an air blower, a controller, a speed regulation module, a condenser, an expansion valve, an evaporator and an indoor temperature sensor. The running compressor is a power take-off compressor, the parking compressor is an electric compressor, the driving compressor and the parking compressor are communicated with the condenser through a one-way valve, the liquid outlet end of the condenser is communicated with the liquid inlet end of the expansion valve, the air outlet end of the expansion valve is communicated with the air inlet end of the evaporator, the running compressor and the parking compressor are communicated with the evaporator through a three-way connector, and the running and parking integrated air conditioner judges the refrigeration mode through the controller. The design not only can automatically judge the air-conditioning mode and realize the effect of economically operating the air conditioner, but also can reduce the space occupation of the air-conditioning system, improve the usable space of the cab and effectively improve the comfort of the driver.

The invention discloses a wind pipe device used for an air conditioning system of a boarding bridge. The boarding bridge comprises a plurality of passages including a fixed passage connected with a building, an inner passage and an outer passage used for connecting a ship body, wherein one end of the inner passage is connected to the other end of the fixed passage and is telescopically sleeved in the outer passage; each passage comprises a top plate, side plates connected to two sides of the top plate, and a bottom plate opposite to the top plate; and the wind pipe device is arranged on the top plate of the inner passage and comprises at least one row of wind pipe groups arranged along the length direction of the passage, and the wind pipe groups are provided with a plurality of air outlets opened towards the inside of the passage. The invention also discloses the air conditioning system provided with the wind pipe device, and the boarding bridge provided with the air conditioning system. According to the invention, the air-conditioning air supply inside the passages is more uniform, and the space for use in the passages of the boarding bridge is increased at the same time.

The invention discloses a solar heating house, comprising the main house body, solar collectors and thermal storage bins, the solar collector and thermal storage bins are circulatory connected; the floor of main house body is the hollow cast-in-place reinforced concrete floor, its cavity component is installed with heating pipes, which are connected forming the heating pipe group, and the group are circulatory connected with thermal storage bins; a circulating pump is set between the thermal storage bin and heating pipe group, the thermal storage bin is connected into the domestic consumption pipe through the third inlet pipe, heat the cold in thermal storage bins through solar collector, the hot water in thermal storage bins flows through the heating pipe group to radiant heat the internal space of the house body, flow into domestic consumption pipe by the third water inlet to supply hot water for living. As the heating pipe group is set in the floor of the main house, so that it has the advantages of big applicable space of the house, good floor loading effect and low cost with the solar heating house.

The invention belongs to the field of touring cars, and particularly relates to a space-expandable automatic escape touring car. The expandable comprises a touring car body, sliding rails, a bed board, an escape ramp, a temperature sensor, a smoke sensor, pulleys, a power mechanism and a control system. The escape ramp which can be folded at the bottom of a touring car body is arranged at the tail end of the bottom of the motor home body, the sliding rails in the vehicle advancing direction are arranged on the escape ramp and the upper surface of the bottom of the touring car body, the bed board is arranged on the sliding rails through the pulleys, and the temperature sensor and the smoke sensor are arranged in the touring car and used for monitoring the temperature in the touring car and monitoring whether smoke exists or not. The control system is used for receiving information of the temperature sensor and the smoke sensor, the control system is connected with the power mechanism, a vehicle door is opened, the escape ramp is put down according to the received information, an instruction is sent to the power mechanism, and the bed board is driven to move out of the vehicle through the sliding rails. The automatic escape touring car is novel in design, high in practicability, high in safety degree and high in intelligent degree; and the safety of the touring car is enhanced while the space of the touring car is expanded to the maximum extent.

The invention provides an irrigation system of a water planting device. The irrigation system of the water planting device comprises a plant growing tank and an irrigation device; the plant growing tank comprises a water tank and a planting disc placed above the water tank, wherein the water tank and the planting disc form plant root system growing space; the irrigation device comprises water pipes, spray heads and spray head connecting pipes, wherein the water pipes and the spray heads are connected through the spray head connecting pipes; the irrigation device is fixedly connected to the wall of the water tank and / or the planting disc. The irrigation system of the water planting device is arranged in an integrally-formed mode, the plant root system growing space can be greatly increased, in addition, a gas conveying pipeline or a liquid conveying pipeline are not needed to be arranged separately, so that the structure is simple, the pipeline distribution of the water pipes is reasonable, the manufacture is easy, and large-scale popularization and application can be achieved.

A convertible shipping container includes a first longitudinal edge and a second longitudinal edge that is diagonally opposed to the first longitudinal edge in a first configuration and a hinged longitudinal edge and a lockable longitudinal edge that is diagonally opposed to the hinged longitudinal edge in the first configuration. The first longitudinal edge and the second longitudinal edge each comprise 90° fixed edges, and the lockable longitudinal edge is configured to be unlocked and opened to thereby expand the convertible shipping container into a second configuration.

The invention discloses a combined type teaching plate which comprises a writing device and a supporting device, wherein the writing device comprises a supporting plate and a base plate; clamping buckles are arranged at center positions of the upper, lower, left and right ends of the front end face of the supporting plate; a writing board is arranged on the front side face of the supporting plateand is clamped with the supporting plate through the clamping buckles; the supporting device comprises two cylindrical telescopic rods and two landing legs; the two telescopic rods are arranged on therear side face of the supporting plate; the two landing legs are arranged at the bottom ends of the two telescopic rods; and an angle adjusting device is arranged between the telescopic rods and thesupporting plate. The combined type teaching plate is simple in structure and convenient to mount and carry; and height and inclination angle of the teaching plate can be adjusted according to demandsof the actual situation, so that the combined type teaching plate is comfortable in writing, simple and convenient to move and deserves popularization.

The invention provides a straw-steel system prefabricated wall and a joint connecting method. For a long time, China steel structure is made of connecting steel plates, shaped steel and the like to form basic components, and then transported to a construction site to be installed and connected into an overall structure. Therefore, in the steel structure, connection occupies a very important position, and any steel structures can meet the connection problems. The straw-steel system prefabricated wall comprises a group of straw plates (1), the straw plates are connected to form an L-shaped wallor a T-shaped wall or a cross-shaped wall, C-shaped steel sleeves (2) sleeve the upper and lower faces of the straw plates, the positions of straw plate intersection with inflection points are weldedto the C-shaped steel sleeves through L-shaped steel (14), the positions of straw plate intersection without the inflection points are welded to the C-shaped steel sleeves through strip-shaped steel plates, and plastering layers (15), fireproof layers (16) and waterproof layers (17) are successively arranged on the outer surfaces of the straw plates, the C-shaped steel sleeves, the L-shaped steel,the strip-shaped steel plates and light steel plates. The joint connecting method is used for the prefabricated wall.

The invention discloses an air cooled refrigerator, relates to the technical field of refrigerators and aims to solve the problems that an air channel component of the air cooled refrigerator occupiesa large space of a storage chamber and the space utilization rate of the air cooled refrigerator is low. The air cooled refrigerator comprises a refrigerator body; a plurality of storage chambers areformed inside the refrigerator body; the first sidewall of one storage chamber is internally provided with a heat exchange chamber; an evaporator component is arranged inside the heat exchange chamber; the air cooled refrigerator further comprises a plurality of air channel components which correspond to the plurality of storage chambers one by one; the air channel components communicate with theheat exchange chamber and are used for sending air to the storage chambers; a part of at least one air channel component is arranged inside the heat exchange chamber; and the part, positioned insidethe heat exchange chamber, of the air channel component is arranged together with the evaporator component side by side in the extension direction of the first sidewall. The air cooled refrigerator disclosed by the invention is used for cold storage of objects.

The utility model aims to provide a multifunctional storage box structure suitable for an automobile central control armrest. The handrail inner plate is matched with the upper layer of the inner storage lattice through a shaft hole in the upper connecting rod, so that the upper connecting rod rotates; the lower connecting rod is matched with the central control storage box through a shaft hole; the two lower connecting rods are connected through a supporting rod; the lower layer of the inner storage case is connected with the supporting rod through a sliding groove, and the lower layer of the inner storage case can slide on the supporting rod to achieve the function of taking stored objects in the inner storage case. The central control storage box has the advantages that the space layout and the actual usable space of the central control storage box are expanded, and compared with other storage boxes, the central control storage box has obvious advantages in the aspects of layout, space and use convenience; and the requirement of a user on the storage property is met. The structure and the arrangement form can be widely applied to the arrangement of the storage box of the central control armrest.

The invention discloses a non-removable screwed fitting and a screwing method thereof. A screwing part in a round table shape and a connection part in a cylindrical shape are included, a thread is arranged at the outer edge of the connection part, a plurality of asymmetric screwing grooves are formed in the end face of one end, departing from the connection part, of the screwing part at intervals,and each asymmetric screwing groove is composed of a screwing stress perpendicular face, a screwing tool containing space and an anti-removable arc-shaped groove. The screwing stress perpendicular faces are used for bearing force in the screwing process so as to make the screwed fitting rotate, and the anti-removable arc-shaped grooves are used for unloading force so as to make the screwed fitting be non-removable. According to the non-removable screwed fitting and the screwing method thereof, the screwed fitting can be screwed firmly by bearing force through the screwing stress perpendicularfaces, and meanwhile, is not removable by unloading force through the anti-removable arc-shaped faces. In addition, the multiple asymmetric screwing grooves are not symmetrical to one another, the available space for each asymmetric screwing groove is enlarged, the screwing stress perpendicular faces are lengthened, the screwing tool containing spaces are widened, and the arc lengths of the anti-removable arc-shaped grooves are lengthened.

The invention discloses a lifesaving frame convenient to fold and store for an amphibious rescue boat, and relates to the technical field of lifesaving frames. The lifesaving frame convenient to fold and store of the amphibious rescue boat comprises a plastic plate, and a supporting plate is fixedly installed at the top of the plastic plate. The lifesaving frame convenient to fold and store of the amphibious rescue boat can be contracted and folded, so that the occupied volume of the lifesaving frame is reduced, the lifesaving frame is convenient to store, the usable space of the rescue boat is effectively increased, the distance between a foot placing plate and a head supporting plate can be adjusted respectively, corresponding adjustment can be conveniently made according to the body type of a rescued person, so that the rescued person can lie on the lifesaving frame more stably, the comfort degree of the rescued person using the lifesaving frame is relatively improved, the practicability of the lifesaving frame is remarkably enhanced, secondly, the rescued person with serious injury condition is conveniently limited and fixed, and the situation that the wounded condition is aggravated due to the fact that the rescued person moves disorderly due to pain is prevented.

The invention discloses a conference table based on the Internet of Things and relates to the field of conference tables. The conference table comprises a base, wherein a supporting frame is fixedly installed at the top of the base, a lifting frame is movably sleeved with the supporting frame, a table top is fixedly installed at the top of the lifting frame, and rotating mechanisms are fixedly installed on the two side faces, away from each other, of the table top; a support is fixedly installed at the top of the table top, a storage mechanism is fixedly installed at the top of the support, a servo motor is fixedly installed at the top of the table top, and the servo motor is located in the support. According to the conference table based on the Internet of Things, through the arrangement of the straight groove opening and the arc-shaped groove, the output shaft can drive the supporting mechanism to move while rotating, through the arrangement of the lifting mechanism, the height of the conference table can be adjusted, lifting and folding of the conference table are completed at the same time, time and labor are saved, and the space is saved; and the space utilization rate is improved.

A steam engine inner wall cleaning device belongs to the technical field of steam engine maintenance and comprises an annular cover, an inner gear ring is rotatably mounted in the annular cover, a mounting frame is fixedly mounted on the lower surface of the inner gear ring, and side dirt removing cutters are fixedly mounted on the left surface and the right surface of the mounting frame in an embedded mode and fixedly connected with the mounting frame through bolts. A sealing plate is fixedly installed on the upper surface of the annular cover, a motor is fixedly installed on the upper surface of the sealing plate, the output end of the motor is sleeved with a gear, the gear is in meshed connection with the inner gear ring, and a descaling liquid spraying device is arranged at the center of the lower surface of the sealing plate in a hoisting mode; the installation position of the whole driving mechanism is located above the inner cavity of the steam engine boiler, the occupied area of the installation space can be reduced, then the requirement for occupying the inner cavity of the boiler is lowered, and therefore the usable space of the inner cavity of the boiler is enlarged.

The utility model relates to the technical field of landscaping ladder devices used by multiple persons, in particular to a landscaping ladder capable of being used by multiple persons simultaneously, which comprises a bottom plate and an outer-layer fence, the outer-layer fence is connected with the bottom plate through a telescopic column, an inner-layer fence is arranged in the outer-layer fence, and an inclined ladder is connected at one end of the outer-layer fence and one end of the inner-layer fence. Supporting columns are connected to the lower portion of the bottom plate, a fixing bottom support is arranged below the supporting columns, the inner layer fence is provided with a connecting pipeline, the connecting pipeline is arranged on a round tray, meanwhile, a hydraulic box is arranged on the round tray, a circuit pipe is arranged beside the hydraulic box, a control panel is arranged on the circuit pipe, and hidden universal wheels are arranged at the lower end of the fixing bottom support. The ladder has the advantages that the inclined ladder is arranged on the structure of the ladder, the ladder is convenient to climb up and down, the hydraulic control lifting system is arranged on the bottom plate, the height of the ladder is more convenient to control, the hidden universal wheels are further designed below the fixed bottom support, and the ladder is simpler and quicker in the transportation aspect or other layers.

The invention relates to the technical field of semiconductors, and provides a vertical furnace tube wafer and boat high-efficiency conveying system and method, and the conveying method comprises the following steps: conveying a to-be-processed boat equipped with a to-be-processed wafer to a material preparation area outside a furnace tube; a post-process wafer boat containing the post-process wafer in the furnace tube is conveyed to a cooling area through a first conveying device according to a first conveying path, meanwhile, a to-be-processed wafer boat is conveyed into the furnace tube from a material preparation area through a second conveying device according to a second conveying path, and the first conveying path and the second conveying path are not crossed; and loading the post-process wafer in the cooled post-process wafer boat into an empty wafer box, changing the post-process wafer boat into an empty wafer boat, loading a to-be-processed wafer into the empty wafer boat from the wafer box to form a to-be-processed wafer boat, and conveying the to-be-processed wafer boat to a material preparation area to wait for the next process period of the furnace tube. The conveying method can limit the idle waiting time of the furnace tube and improve the production efficiency of the furnace tube.

The utility model discloses a fresh-keeping and transferring device for agricultural products. The fresh-keeping and transferring device comprises a vegetable basket, a flange part is arranged at the upper part of the vegetable basket and is of an outwards-turned structure; first draining holes are formed in the side wall and the bottom of the vegetable basket; first surrounding plates are arranged on the two sides of the vegetable basket in the width direction. Second surrounding plates are arranged at the two ends of the vegetable basket in the length direction. Plate passing grooves are formed in the positions, corresponding to the first surrounding plate and the second surrounding plate, of the flange part of the vegetable basket, and the first surrounding plate and the second surrounding plate are matched, so that stacked agricultural products can be protected and shielded, the usable space of the vegetable basket is increased, more agricultural products can be stacked freely, and the vegetable basket is convenient to use. The agricultural products stacked on the upper layer of the partition plate and the agricultural products stacked on the lower layer of the partition plate are isolated from each other, and the agricultural products stacked on the upper layer are supported by the partition plate and the supporting rods and cannot be extruded, so that the agricultural products are prevented from being extruded and damaged, and the freshness of the agricultural products is prevented from being reduced.

The invention discloses a fuel storage and conveying device of a new energy vehicle. The device comprises a vehicle body; a protection outer cover is arranged at the top of the vehicle body; a gas cylinder outer cover is arranged in the protection outer cover; a liquefied gas cylinder for storing liquefied gas is arranged in the gas cylinder outer cover; the liquefied gas cylinder communicates with an air temperature vaporizer through a supercharging adjusting valve; the air temperature vaporizer communicates with a buffer tank; the buffer tank communicates with a seamless steel pipe through aback pressure valve; the seamless steel pipe communicates with a gas conveying pipe through a pressure stabilizing valve; and the gas conveying pipe is connected with an engine. The device has the following beneficial effects: (1) heat in the vehicle can be absorbed by using liquefied gas, and noise of the engine is lowered to enable passengers to obtain cool experiences; (2) new energy is applied to relieve environmental pollution, and the liquefied gas is low in cost to facilitate adjustment of the energy industry structure; and (3) the usable space in the vehicle is enlarged, the appearance is beautiful, and meanwhile, the safety is high.

The invention discloses a life-saving frame for an amphibious rescue boat which is convenient to be folded and stored, and relates to the technical field of the life-saving frame. The amphibious rescue boat is a life-saving frame which is convenient to be folded and stored, and comprises a plastic plate, and a support plate is fixedly installed on the top of the plastic plate. The amphibious rescue boat is a life frame that is easy to fold and store. It can be folded and folded to make the size of the life frame smaller, which is convenient for storage and storage, effectively improves the usable space of the rescue boat, and can also place the footboard The distance from the headrest is adjusted separately, so that it can be adjusted according to the body shape of the rescued person, so that they can lie on the liferaft more stably, and relatively improve the comfort of the rescued person using the liferaft This significantly enhances the practicability of the life preserver, and secondly, it is convenient to limit and fix the rescued persons who are seriously injured, so as to prevent the rescued persons from aggravating their injuries due to turbulent movement due to pain.

The invention discloses a mold stripping and lifting tool device for a drum. The mold stripping and lifting tool device for the drum comprises a lifting arm, lock tongue fixing devices and a main body structure, wherein the lifting arm is a portal frame lifting arm; a lifting ring is arranged in the center of the upper part of the lifting arm; the lock tongue fixing devices are leftwards and rightwards symmetrically connected to the lower ends of two sides of the hoisting arm respectively; the lock tongue fixing device comprises a pedestal, a lock tongue, a restoring spring and a handle; the lower end of the lock tongue is rotatably connected to the pedestal; one end of the handle is fixedly connected with the lock tongue; the restoring spring is arranged between the sidewall of the lock tongue in the pedestal and the inner wall of the pedestal; the lock tongue is obliquely arranged under the effect of the restoring spring; a clamping port is formed at the upper end part of the lock tongue; the main body structure is annular; and the lock tongue fixing device is leftwards and rightwards symmetrically fixed and arranged at the circumference of the main body structure. By adopting the mold stripping and lifting tool device for the drum, the producing cost can be reduced, and the maximum usable space can be ensured as well; and the mold stripping and lifting tool device for the drum has the advantages of being simple and convenient to operate, and convenient to use.

The invention provides an air model coal plant structure, and belongs to the technical field of power plant civil engineering structures, the air model coal plant structure comprises a gravel layer, a wall body, an air inflation membrane assembly and a pressure stabilizing mechanism, and the air inflation membrane assembly comprises an air inflation membrane body and a steel cable net arranged on the outer wall of the air inflation membrane body. When encountering strong wind and typhoon, the inflatable membrane body transmits the borne load to the steel cable net, the stress of the steel cable net is distributed to the wall body, the bottom of the wall body is buried under the ground, and the gravel layer is pressed above the bottom surface of the periphery of the wall body, so that the safe support of the inflatable membrane body can be ensured. No column support is arranged in the gas model coal plant, so that the internal usable space is increased, a maintenance channel is safer, and process equipment and pipeline arrangement is smoother; beam column supporting is greatly saved, the wall body is adopted as a supporting structure of the pneumatic membrane body, and engineering investment is saved.

The invention provides a boost control chip which can be coupled with an inductor and an N-shaped transistor and comprises a first pin, a second pin and a third pin. The first pin is used for receiving an operation voltage and can be coupled with one end of the inductor; the second pin is used for receiving a first voltage and can be coupled with the other end of the inductor and the drain electrode of the N-shaped transistor; the third pin can be coupled with the grid electrode of the N-shaped transistor; and the source electrode of the N-shaped transistor is directly connected with a grounded voltage. The boost control chip provided by the invention can raise the low operation voltage and enhance the application space of circuits.

An oil-impregnated bearing and its oil-impregnated bearing fixing structure, a bearing body, a side and a shaft hole are formed between the top and the bottom of the bearing, the side extends universally toward the shaft hole to form a bearing part, and the bearing body set in the bearing hole of the shaft tube; a fixing part, the fixing part is set in the shaft tube and interferes with the bearing part, and the limiting part of the fixing part is set at the top position of the shaft tube, The fixing part of the fixing member is accommodated between the bearing body and the shaft cylinder and the bearing body is fixed to effectively increase the usable space of the bearing body, thereby improving the support of the bearing body to reduce friction and reduce abnormal noise The effect, and can increase the oil content of the bearing body and maintain lubrication.

The invention relates to a vehicle which comprises a low-voltage power supply assembly, a low-voltage power utilization assembly and at least one domain control assembly. The low-voltage power utilization assembly comprises at least two loads, the at least two loads comprise a plurality of first loads and a plurality of second loads, and the rated voltage of the first loads is higher than that of the second loads; the low-voltage power supply assembly is connected with at least part of the first loads and the domain control assembly and used for directly providing first voltage for the corresponding first loads. The domain control assembly is respectively connected with the low-voltage power supply assembly, at least part of the first load and at least part of the second load, and is used for controlling the low-voltage power supply assembly to provide a first voltage for the first load corresponding to the domain control assembly, converting the first voltage into a second voltage and providing the second voltage for the corresponding second load, the first voltage is greater than the second voltage. According to the vehicle, the 12V power supply system of the vehicle in the related technology can be improved.