CN110905612A - Low-loss prime motor and acting method - Google Patents
Low-loss prime motor and acting method Download PDFInfo
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- CN110905612A CN110905612A CN201911207014.XA CN201911207014A CN110905612A CN 110905612 A CN110905612 A CN 110905612A CN 201911207014 A CN201911207014 A CN 201911207014A CN 110905612 A CN110905612 A CN 110905612A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
Abstract
The invention belongs to a prime motor, in particular to a low-loss prime motor and a work doing method, wherein an evaporator, a machine body and an energy body are arranged on the machine body or the energy body, the outer wall of the energy body is connected with the inner wall of the machine body through a rolling body, the energy body and the machine body realize rolling displacement through the rolling body, a cavity is formed between the bottom of the energy body and the inner wall of the machine body, the evaporator continuously absorbs heat to evaporate liquid working medium to push the energy body to move upwards to do work until reaching an upper limit stroke, when the ambient temperature is lower than the evaporation temperature, the energy body downwards moves due to self weight to compress gaseous working medium to complete liquefaction, and the energy body is connected with the machine body through the rolling body in a rolling way, so that the friction resistance between the energy body and the inner wall of the machine body is greatly reduced, unnecessary energy loss is avoided, the.
Description
Technical Field
The invention belongs to a prime motor, and particularly relates to a low-loss prime motor and a work applying method.
Background
Prime mover refers to any machine that utilizes energy to produce motive power. Is the main source of the power needed in the modern production and living fields.
In the existing equipment for converting air heat energy into mechanical energy, working media with low evaporation temperature are generally utilized to absorb heat and expand to do work, but the working media are evaporated into gaseous state by utilizing liquid, other mechanical equipment is needed to complete the working, the gaseous state working media are changed into liquid state, other equipment is also needed to compress the gaseous state working media or improve exhaust pressure, the working pressure difference can be reduced, the working is reduced, for example, the gaseous state working media are compressed into liquid state by a compression machine, the two steps increase the manufacturing cost of the equipment, and a large amount of kinetic energy or electric energy is needed to be consumed, so that the problems of high cost, large energy damage and the like are caused.
At present, heat energy lower than 80 ℃ is basically difficult to utilize, waste heat is generated, cooling equipment is required to cool in many cases, double energy consumption is caused, low-temperature heat energy recovery through a screw expander is performed, machine equipment is expensive, efficiency and performance are poor, economic benefits are not achieved, and the heat energy recovery device is still in a laboratory after being developed for a long time.
At present, a sliding sealing structure similar to an energy body in a prime motor is generally used for sealing by a sealing element similar to a piston ring, however, the inner circular surface matched with the sealing element still needs to meet extremely high dimensional requirements, and the inner circular surface and the sealing element need extremely small matching tolerance, so that the equipment cost is greatly increased by adopting sliding sealing matching, and the phenomenon of failure or leakage can be faced over time.
Chinese patent application No. CN201510375201.4 entitled "method and apparatus for obtaining cold air and electric energy using low temperature medium" describes an apparatus for obtaining cold air and electric energy using low temperature medium, and its paragraph [0029] describes "refrigerant is condensed in a first condenser 13 and releases condensation heat to a heat exchange medium, the heat exchange medium absorbs the condensation heat, the refrigerant is condensed into liquid, and the liquid is decompressed by a first expansion mechanism 15 and evaporated in a first evaporator 16; … … when the refrigerant evaporates, the heat absorbed by the heat exchange medium expands to work the rotary plate type power machine 17, so that the rotary plate type power machine 17 operates to generate mechanical energy, the refrigerant after working is compressed into the first condenser 13 through the power generation gaseous working medium compressor 12 in a gaseous working medium state to realize circulation, and the expansion kinetic energy is continuously provided for the rotary plate type power machine 17. In the invention, the pressure is reduced by the expansion mechanism 15, the refrigerant is evaporated by the first evaporator 16, the refrigerant is evaporated and expanded to work the rotary plate type power machine 17, and then the refrigerant is compressed by the power generation gaseous working medium compressor 12 and returns to the first condenser 13 to realize circulation, in a circulation path of the working, the refrigerant is evaporated and liquefied by the expansion mechanism and the power generation gaseous working medium compressor 12 respectively, the cost is increased, a large amount of kinetic energy or electric energy is consumed, the energy is wasted, and the economic benefit cannot be generated.
Disclosure of Invention
The invention aims to solve the technical problem of providing a low-loss prime motor and a work doing method, wherein the prime motor outputs mechanical energy by utilizing heat generated by solar heat collection, a condenser of a large and medium central air conditioner, industrial waste flue gas water, a large engine and the like, and other auxiliary equipment is not needed in the whole work doing process and the liquefying process, so that unnecessary energy loss is avoided, the whole sealing effect is good, the structure is simple, the cost is low, the performance is stable, the efficiency is high, and the low-loss prime motor has positive economic value.
The invention comprises an evaporator, a machine body and an energy body, wherein the machine body or the energy body is provided with a rolling body, the outer wall of the energy body is connected with the inner wall of the machine body through the rolling body, the energy body and the machine body realize rolling displacement through the rolling body, a cavity is formed between the bottom of the energy body and the inner wall of the machine body, the evaporator continuously absorbs heat to evaporate liquid working medium to push the energy body to move upwards to do work until reaching an upper limit stroke, and when the ambient temperature is lower than the evaporation temperature, the energy body moves downwards due to self weight to compress gaseous working medium to complete liquefaction.
Furthermore, the bottom of the energy body is arranged in a sliding and sealing mode with the inner wall of the machine body, and the evaporator is communicated with the bottom of the cavity.
Furthermore, a telescopic inner container is arranged in the cavity, and the evaporator is communicated with the bottom of the inner container to form a completely closed cavity.
The invention also comprises a radiator for discharging the heat generated in the liquefaction stroke.
The invention also comprises a controller, an upper limit switch and a lower limit switch which are arranged on the energy body, and the controller is electrically connected with the upper limit switch, the lower limit switch and the radiator.
The invention also comprises a locking device for locking the energy body, and the controller is electrically connected with the locking device.
Furthermore, a temperature sensor is arranged in the evaporator and used for detecting whether the temperature of the evaporator reaches a working set value, and the controller is electrically connected with the temperature sensor.
The invention also comprises an ambient temperature sensor and/or a pressure sensor, wherein the pressure sensor is used for monitoring the pressure value in the inner container, and the ambient temperature sensor and/or the pressure sensor are electrically connected with the controller.
Furthermore, the evaporator is communicated with a liquid storage device through a pipeline I, an electromagnetic valve is arranged on the pipeline I, and the controller is electrically connected with the electromagnetic valve.
Furthermore, an upper liquid level sensor and a lower liquid level sensor are arranged in the liquid storage device, and the controller is electrically connected with the upper liquid level sensor and the lower liquid level sensor.
A method of doing work comprising the steps of:
the liquid working medium in the evaporator absorbs heat and evaporates to form a gaseous working medium which is communicated to the inner container, and the inner container is unfolded along the cavity to push the energy body to move upwards and apply work outwards until reaching an upper limit stroke; when the environment temperature is lower than the evaporation temperature, the energy body moves downwards due to self weight to compress the inner container, so that the gaseous working medium in the inner container is liquefied.
Further, the steps are specifically as follows:
step 1: the energy body is positioned at the bottom, when the temperature sensor detects that the temperature in the evaporator reaches the acting setting, the controller controls the electromagnetic valve to be opened, the liquid working medium in the liquid storage tank flows into the evaporator, the liquid working medium is evaporated and forms a gaseous working medium, the gaseous working medium is communicated into the cavity to push the energy body, and the energy body moves upwards along the inner wall of the machine body through the rolling body and acts outwards;
step 2: when the energy body moves upwards to the upper limit stroke, the upper limit switch is triggered, the controller receives a signal of the upper limit switch, the electromagnetic valve is controlled to be closed, and the locking device is controlled to lock the position of the energy body;
and step 3: when the environment temperature detected by the environment temperature sensor reaches the liquefaction line setting, the controller controls the radiator to work, the pressure of the gaseous working medium in the cavity is reduced, when the pressure detected by the pressure sensor is reduced to the setting value, the controller controls the locking device to unlock, and simultaneously controls the electromagnetic valve to open, the energy body moves downwards, and the liquefied gaseous working medium flows back to the liquid storage tank;
and 4, step 4: when the energy body moves downwards to the lower limit stroke, the lower limit switch is triggered, the controller receives a signal of the lower limit switch, the electromagnetic valve is controlled to be closed, and the radiator stops working;
and 5: and repeating the steps to perform the reciprocating working stroke and the liquefying stroke.
The invention has the advantages that the liquid working medium is evaporated by the evaporator, the volume expansion pushes the energy body to move upwards to do work, mechanical energy is output, when the ambient temperature is reduced to a preset value of the liquefaction stroke, the gaseous working medium is compressed by the self weight of the energy body to carry out the liquefaction stroke, other auxiliary equipment is not needed for the whole working stroke and the liquefaction stroke, the whole structure is simple, the cost is low, the performance is stable, the efficiency is high, and the positive economic value is realized; the energy body is connected with the machine body in a rolling way through the rolling body, so that the friction resistance between the energy body and the inner wall of the machine body is greatly reduced, and unnecessary energy loss is avoided.
Set up the inner bag, the cooperation of the body of cooperation energy and organism through the rolling element, liquid working medium evaporates into and gets into the telescopic inner bag behind the gaseous working medium in, the inner bag expands along the die cavity again and promotes the energy body and move up, under the prerequisite that need not to be with the energy body and organism sliding seal, very big improvement the leakproofness, reduction manufacturing cost.
The radiator is arranged to discharge heat generated by compressing the gaseous working medium in the liquefaction process, so that the pressure in the liner is further reduced, the gravitational potential energy of the energy body is greater than the energy required by liquefaction of the gaseous working medium in the liner, and the energy body can also do work outwards in the liquefaction process.
The liquid storage device is arranged, so that the output total amount of the evaporator and the working stroke of the energy body are increased, and the working efficiency is improved; a lock is provided to prevent the energy body from changing position and state due to external temperature changes.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Fig. 3 is a perspective view at B in fig. 1.
Figure 4 is a cross-sectional view 3/4 of the body and energy body portions of the invention.
FIG. 5 is a schematic view of the roller of the present invention.
FIG. 6 is a schematic view of the structure of the inner container of the present invention.
In the figure, 1 liquid conveying tank, 2 evaporator, 3 machine body, 301 clapboard, 4 energy body, 401 spacing rod, 402 spacing tooth, 403 roller mounting rack, 404 through hole, 5 radiator, 501 heat exchange tube, 6 cavity, 7 electromagnetic valve, 8 temperature sensor, 9 pressure sensor, 10 upper liquid level sensor, 11 lower liquid level sensor, 12 upper limit switch, 13 lower limit switch, 14 locking device, 15 pipeline I, 16 pipeline II, 17 controller, 18 environment temperature sensor, 19 inner container, 1901 inner container top cover, 20 rollers, 21 bearing.
Detailed Description
As shown in fig. 1-6, the invention includes an evaporator 2, a machine body 3 and an energy body 4, the machine body 3 or the energy body 4 is provided with a rolling element, the energy body 4 is slidably arranged in the machine body 3 through the rolling element, the surface contact between the energy body 4 and the machine body 3 is changed into point contact or line contact, the frictional resistance between the energy body 4 and the machine body 3 is greatly reduced, unnecessary energy loss is avoided, a cavity 6 is formed between the bottom of the energy body 4 and the inner wall of the machine body 3, the cavity 6 can be a sealed cavity 6, the bottom of the energy body 4 is provided with a sealing element, the energy body 4 is in sliding sealing fit with the inner wall of the machine body 3, the rolling element is arranged above the sealing element, the stability of the motion of the energy body 4 is improved, the liquid working medium enters the sealed cavity 6 after evaporation to push the energy body 4 to move upwards to do work, and an inner, the inner container 19 is connected with the evaporator 2 to form a closed cavity, the liquid working medium enters the cavity after being evaporated, the inner container 19 is unfolded to push the energy body 4 to move upwards to do work, specifically, the inner container 19 is of a telescopic structure, such as an air bag, the evaporated liquid working medium is conveyed into the inner container 19, the volume of the inner container 19 is expanded, and the inner container is unfolded along the cavity 6 to do work; because the sealed cavity 6 and the liner 19 are only sealed in different structures, the working process of the specific working principle of the prime mover is consistent, and the following specific embodiments are all explained by adopting the sealing structure of the liner 19. In the liquefaction process, the energy body 4 enables the inner container 19 to contract due to the dead weight, and meanwhile, the gaseous working medium is liquefied by the pressure of the energy body 4 and flows back to the evaporator 2 and the liquid storage tank 1. The inner container 19 is arranged, so that the sealing performance is greatly improved, and the energy body 4 and the machine body 3 do not need to be in sliding seal; the evaporator 2 is communicated with the bottom of the liner 19, the evaporator 2 continuously absorbs heat to evaporate liquid working medium to push the energy body 4 to move upwards to do work until reaching an upper limit stroke, and when the ambient temperature is lower than the evaporation temperature, the energy body 4 moves downwards due to self weight to compress gaseous working medium to complete liquefaction.
The rolling bodies can be balls, cylindrical rollers, tapered rollers, roller pins and other structures arranged on the machine body 3 or the energy body 4, as shown in fig. 3-5, in the present embodiment, the rolling elements are rollers 20, the energy bodies 4 are arranged in a barrel-like structure with openings, a roller mounting bracket 403 for mounting the roller 20 is arranged in the energy body 4, the roller 20 is arranged in the roller mounting bracket 403 through a bearing 21, a through hole 404 is arranged on the side wall of the energy body 4 at the position for mounting the roller 20, one side of the roller 20 passes through the through hole 404 to abut against the inner wall of the machine body 3, in the process of moving up or descending the energy body 4, the energy body 4 rolls on the inner wall of the machine body 3 through the roller 20, and by adopting the structure, the mounting structure of the roller 20 does not occupy the inner space of the machine body 3, so that the space utilization rate of the energy body 4 and the machine body 3 is ensured to the maximum extent, and the matching of the energy body 4 and the machine body 3 only has small clearance.
As shown in fig. 4, in this embodiment, 4 rollers 20 are arranged in an annular array along the axis of the energy body 4, so as to ensure that four sides of the energy body 4 can roll, and improve the motion stability of the energy body 4.
The rolling bodies can be arranged in multiple groups along the axial direction of the energy body 4, when the rolling bodies are arranged on the machine body 3, at least one group of rolling bodies is arranged at the opening position at the upper end of the machine body 3, so that the energy body 4 can be effectively matched in a rolling way when being positioned at the upper limit stroke; when the rolling bodies are arranged on the energy body 4, the energy body 4 is provided with a set of rolling bodies at least at the lower end position to ensure that an effective sliding fit is also achieved when the energy body 4 is at the upper limit stroke.
Specifically, the evaporator 2 is connected with the bottom of the inner container 19 through a pipeline II 16, the pipeline II 16 is arranged in an L shape, one end of the pipeline II is communicated with the bottom of the inner container 19, and the other end of the pipeline II is communicated with the top of the evaporator 2, so that the liquid working medium flows back into the evaporator 2 under the action of gravity when the gaseous working medium is liquefied in a liquefaction stroke; the energy body 4 is vertically arranged, so that the stability of the working stroke and the liquefaction stroke process is improved.
The invention also comprises a radiator 5, the radiator 5 being arranged to discharge heat generated by the liquefaction stroke.
As shown in fig. 2, 3 and 6, the radiator 5 is disposed on the energy body 4 and moves up and down together with the energy body 4, the heat exchange tube 501 of the radiator 5 penetrates through the machine body 3 and is disposed in the inner container 19, specifically, the inner container top cover 1901 of the inner container 19 is made of a material with high thermal conductivity, one end of the heat exchange tube 501 is communicated with the radiator 5, and the other end of the heat exchange tube is disposed in the inner container top cover 1901 and is used for discharging heat generated by compressing gaseous working media in the inner container 19 from the radiator 5 to the outside.
Specifically, when the ambient temperature drops and the liquefaction stroke is in process, the radiator 5 can be opened, the heat generated by the compressed gaseous working medium is discharged to the outside through the radiator 5, so that the energy required by liquefaction of the gaseous working medium in the inner container 19 is reduced, when the gravitational potential energy of the energy body 4 is greater than the energy required by liquefaction of the gaseous working medium in the inner container 19, the energy body 4 does work outwards during the liquefaction stroke, in addition, when the ambient temperature is relatively low, the gravitational potential energy of the energy body 4 is greater than the energy required by liquefaction of the gaseous working medium in the inner container 19, and the energy body 4 does work outwards during the liquefaction stroke.
The invention also comprises a controller 17, an upper limit switch 12 and a lower limit switch 13 which are arranged on the energy body 4, wherein the controller 17 is electrically connected with the upper limit switch 12, the lower limit switch 13 and the radiator 5.
The controller 17 is used for controlling the start and stop of the acting stroke and the liquefaction stroke, the upper limit switch 12 and the lower limit switch 13 correspond to the upper limit stroke and the lower limit stroke of the energy body 4, after the energy body 4 moves upwards to act to the upper limit stroke, the upper limit switch 12 is triggered, when the ambient temperature is reduced to a set value of the liquefaction stroke, the liquefaction stroke starts, the controller 17 controls the radiator 5 to start working, the heat generated by the liquefaction stroke is discharged, the energy required by the liquefaction of the gaseous working medium in the inner container 19 is reduced, and the energy body 4 acts outwards while the liquefaction stroke is performed; when the energy body 4 moves down to the lower limit stroke, the lower limit switch 13 is triggered, the controller 17 controls the liquefaction stroke to end, and the working stroke is started.
The invention also comprises a locking device 14 for locking the energy body 4, the controller 17 is electrically connected with the locking device 14, the locking device 14 is used for locking the energy body 4 after the power stroke or the liquefaction stroke is finished, the position of the energy body 4 is prevented from being changed by the change of the external environment temperature, and simultaneously, the invention can also be used for stopping the power stroke or the liquefaction stroke when the temperature of the evaporator 2 is lower than the set value of the power stroke or the external environment temperature is higher than the set value of the liquefaction stroke during the power stroke, the controller 17 controls the locking device 14 to lock the energy body 4, specifically, when the energy body 4 moves upwards to the upper limit stroke, the upper limit switch 12 is triggered, the upper limit switch 12 feeds back a signal to the controller 17, the locking device 14 is controlled to lock the energy body 4, in the power stroke, if the temperature sensor 8 detects that the temperature of the evaporator 2 is lower than the set value, the power stroke is ended in advance, the energy body 4 is locked by the locking device 14, and the position of the energy body 4 is prevented from being changed by the external temperature; when the energy body 4 moves downwards to the lower limit stroke, the lower limit switch 13 is triggered, the lower limit switch 13 feeds back signals to the controller 17, the locking device 14 is controlled to lock the energy body 4, in the liquefaction stroke process, if the environment temperature sensor 18 detects that the environment temperature is higher than a set value, the liquefaction stroke is finished in advance, the locking device 14 locks the energy body 4, and the situation that the position of the energy body 4 is changed by the external temperature is avoided.
Specifically, locking ware 14 can be for having the structure of the steerable fixture block that contracts, and energy body 4 bottom is sealed with organism 3 through the piston ring, and energy body 4 side is located piston ring upper end position and is provided with the tooth's socket with locking ware 14 complex, and this kind of structure, locking ware 14 set up at organism 3 top, and steerable locking ware 14 stretches out the tooth's socket of fixture block to organism 3, the locking of complete energy body 4.
In order to improve the sliding process of the energy body 4 in the machine body 3, a limiting rod 401 or a limiting cylinder located outside the machine body 3 is fixed at the end of the energy body 4, the locking device 14 locks the energy body 4 by locking the limiting rod 401 or the limiting cylinder, the limiting rod 401 can be a square plate or an arc plate, preferably a square plate, a limiting tooth 402 is arranged on the limiting rod 401, the locking device 14 is clamped to the limiting tooth 402 by extending out of a clamping block to lock the energy body 4, and in addition, the length of the limiting tooth or a tooth socket is not shorter than the stroke length of the energy body 4.
The tooth socket structure or the limiting rod 410 or the limiting cylinder and the locking device 14 are circumferentially and symmetrically distributed along the axis of the machine body 3 to prevent the locking device 14 from pushing the energy body 4 to deviate from the stroke direction, and in this embodiment, two groups of locking devices are preferably symmetrically arranged
The temperature sensor 8 is arranged in the evaporator 2, the temperature sensor 8 is used for detecting whether the temperature in the evaporator 2 reaches a working set value or not, the controller 17 is electrically connected with the temperature sensor 8, the working stroke is started after the controller 17 detects that the temperature in the evaporator 2 reaches the working stroke set value, and in the working stroke process, when the temperature sensor 8 detects that the temperature in the evaporator 2 is lower than the working stroke set value, the working stroke is ended in advance, and the locking device 14 locks the energy body 4.
The invention also comprises an environment temperature sensor 18 and/or a pressure sensor 9, the pressure sensor 9 is used for monitoring the pressure value in the inner container 19, the environment temperature sensor 18 and/or the pressure sensor 9 is electrically connected with a controller 17, because the inner container 19 is directly communicated with the evaporator 2, the pressure sensor 9 can be arranged in the evaporator 2, when the energy body 4 is positioned at the upper limit stroke position, the environment temperature sensor 18 detects the environment temperature in real time, when the environment temperature is lower than the evaporation temperature or lower than the liquefaction stroke set value, the pressure of the gaseous working medium in the inner container 19 is reduced along with the temperature reduction, the controller 17 controls the locking device 14 to release the locking, the energy body 4 moves downwards due to gravity, the gaseous working medium in the inner container 19 is compressed, the volume is reduced, the energy body 4 continuously moves downwards, the gaseous working medium is compressed and liquefied at the same time, the liquefaction stroke is completed, the pressure sensor 9 detects the pressure in, during the liquefaction stroke, when the ambient temperature is higher than the set liquefaction stroke value and/or the pressure in the inner container 19 is higher than the gravitational potential energy of the energy body 4, the liquefaction stroke is ended early, and the locker 14 locks the energy body 4.
When the temperature in the evaporator 2 is higher than the working stroke set value, the controller 17 controls the electromagnetic valve 7 to be opened, the liquid working medium in the liquid reservoir 1 continuously flows into the evaporator 2 to be evaporated, and the electromagnetic valve 7 is closed until the working stroke is finished; when the ambient temperature is lower than the set value of the liquefaction stroke, the controller 17 controls the electromagnetic valve 7 to be opened, the energy body 4 moves downwards to compress the gaseous working medium to liquefy the gaseous working medium, the liquid working medium flows into the liquid reservoir 1 again, the electromagnetic valve 7 is closed until the next working stroke begins,
in the process of a power stroke, when the temperature in the evaporator 2 is lower than a set value of the power stroke, the controller 17 controls the electromagnetic valve 7 to be closed, the evaporator 2 stops evaporating due to loss of the liquid working medium, the volume stops expanding, the energy body 4 stops moving upwards, the locking device 14 is controlled to lock the energy body 4, and the power stroke is ended in advance; during the liquefaction stroke, when the ambient temperature detected by the ambient temperature sensor 2 and/or the pressure sensor 9 is higher than the set liquefaction stroke value and/or the internal pressure of the inner container 19 is higher than the gravitational potential energy of the energy body 4, the controller 17 controls the electromagnetic valve 7 to be closed, the locking device 14 locks the energy body 4, and the liquefaction stroke is ended in advance.
An upper liquid level sensor 10 and a lower liquid level sensor 11 are arranged in the liquid storage device 1, the controller 17 is electrically connected with the upper liquid level sensor 10 and the lower liquid level sensor 11, when the liquid level of the liquid working medium triggers the upper liquid level sensor 10, the liquid level stroke is finished, the radiator 5 stops working, and the energy body 4 simultaneously triggers the lower limit switch 12; when the liquid level of the liquid working medium triggers the lower liquid level sensor 11, the working stroke is finished, the evaporator 2 stops working, and the energy body 4 simultaneously triggers the upper limit switch 11. The upper liquid level sensor 10 and the lower liquid level sensor 11 are arranged to play a control role when the upper limit switch 11 and the lower limit switch 11 are out of order.
A method of doing work comprising the steps of:
the liquid working medium in the evaporator 2 absorbs heat and evaporates to form a gaseous working medium which is communicated to the inner container 19, and the inner container 19 expands along the cavity 6 to push the energy body 4 to move upwards and apply work outwards until reaching an upper limit stroke; when the environment temperature is lower than the evaporation temperature, the energy body 4 moves downwards due to self weight to compress the inner container 19, so that the gaseous working medium in the inner container 19 is liquefied.
The method comprises the following specific steps:
step 1: the energy body 4 is positioned at the bottom of the inner wall of the machine body, when the temperature sensor 8 detects that the temperature in the evaporator 2 reaches the acting setting, the controller 17 controls the electromagnetic valve 7 to be opened, the liquid working medium in the liquid storage tank 1 flows into the evaporator 2, the liquid working medium is evaporated and forms a gaseous working medium to be communicated to the inner container 19, and the inner container 19 is unfolded along the cavity 6 to push the energy body 4 to move upwards and act outwards;
step 2: when the energy body 4 moves upwards to the upper limit stroke, the upper limit switch 12 is triggered, the controller 17 receives a signal of the upper limit switch 12, the electromagnetic valve 7 is controlled to be closed, and the locking device 14 is controlled to lock the position of the energy body 4;
and step 3: when the environment temperature detected by the environment temperature sensor 8 reaches the liquefaction line setting, the controller 17 controls the radiator 5 to work, the pressure of the gaseous working medium in the inner container 19 is reduced, when the pressure detected by the pressure sensor 9 is reduced to the set value, the controller 17 controls the locking device 14 to unlock, and simultaneously controls the electromagnetic valve 7 to open, the energy body 4 moves downwards, the inner container 19 is contracted along the cavity 6 by the gravity of the energy body, and the liquefied gaseous working medium flows back to the liquid storage tank 1;
and 4, step 4: when the energy body 4 moves downwards to the lower limit stroke, the lower limit switch 13 is triggered, and after the controller 17 receives a signal of the lower limit switch 13, the electromagnetic valve 7 is controlled to be closed, and the radiator 5 stops working;
and 5: and (4) repeating the step (1) so as to reciprocate the working stroke and the liquefaction stroke.
The specific working principle of the invention is as follows:
the working stroke is as follows: when the temperature of a heat source is high, for example, when the heat source is subjected to solar heat collection and air conditioning refrigeration, the cooling water temperature of a condenser, an engine and exhaust gas, industrial cooling water or industrial waste flue gas and other high-temperature environments are preferably higher than 60 degrees, when the heat dissipation temperature of a liquefaction stroke is relatively low, the acting temperature can be correspondingly reduced, the evaporator 2 absorbs external heat, when the temperature sensor 2 detects that the temperature in the evaporator 2 reaches a acting stroke set value, a signal is sent to the controller 17, the controller 17 controls the electromagnetic valve 7 to be opened, the locker 14 releases the locking of the energy body 4, the liquid working medium enters the evaporator 2 and is evaporated into a gaseous working medium together with the liquid working medium retained in the evaporator 2 to enter the inner container 19, the inner container 19 expands along the cavity 6 due to volume expansion to push the energy body 4 to move upwards, and simultaneously acts to output mechanical kinetic;
the liquid accumulator 1 continuously provides liquid working media for the evaporator 2, the liquid working media are continuously evaporated, the inner container 19 is continuously unfolded along the cavity 6 to push the energy body 4 to move upwards until the energy body 4 reaches the upper limit stroke, the upper limit switch 11 is triggered, the upper limit switch 11 sends a signal to the controller 17, the controller 17 controls the electromagnetic valve 7 to be closed, the locking device 14 locks the energy body 4, and the working stroke is finished.
In the working process, when the temperature of the heat source is lower than the set value of the working process, the temperature of the heat source is reduced, the evaporator 2 stops absorbing heat, the energy body 4 stops moving upwards and doing work outwards, the controller 17 controls the locking device 14 to lock the energy body 4, the working process is finished in advance, and after the temperature of the external environment is lower than the set value of the liquefaction process or the temperature of the heat source is higher than the set value of the working process, the liquefaction process or the working process is continued.
A liquefaction process: when the ambient temperature is reduced to the liquefaction stroke set value, for example, at night, the temperature is lower than 30 degrees, when the ambient temperature is detected by the ambient temperature sensor 18 to be reduced to the liquefaction stroke set value, a signal is sent to the controller 17, the controller 17 controls the electromagnetic valve 7 to be opened, the locking device 14 releases the locking of the energy body 4, the pressure of the gaseous working medium in the inner container 19 is reduced along with the temperature reduction, the energy body 4 moves downwards due to the self gravity, the inner container 19 contracts along the compression type cavity 6, the gaseous working medium in the inner container 19 is compressed, the volume is reduced, the gaseous working medium is liquefied and flows back to the evaporator 2 and the liquid storage device 1, and the liquefaction stroke is completed.
When the liquefaction stroke starts, the radiator 5 is started at the same time, high temperature generated by compressing the gaseous working medium in the inner container 19 is conveyed into the radiator 5 through the heat exchange tube 501 and is discharged to the outside, at the moment, the gravitational potential energy of the energy body 4 is larger than the energy required by the liquefaction of the gaseous working medium in the inner container 19, and the liquefaction stroke of the energy body 4 does work outwards at the same time.
In the process of the liquefaction stroke, when the environment temperature sensor 18 detects that the environment temperature is higher than the set value of the liquefaction stroke, the energy body 4 stops moving downwards, the environment temperature sensor 18 sends a signal to the controller 17, the controller 17 controls the electromagnetic valve 7 to be closed, the locking device 14 locks the energy body 4, the liquefaction stroke is ended in advance, and after the external environment temperature is lower than the set value of the liquefaction stroke or the heat source temperature is higher than the set value of the power stroke, the liquefaction stroke or the power stroke is continued.
The weight of the energy body 4 is adjustable according to the change of the environment temperature and the heat source temperature, and the energy body 4 can output mechanical energy outwards, and the mechanical energy is connected with a generator through a speed changer and converted into electric energy and the like.
Claims (10)
1. A low-loss prime mover is characterized by comprising an evaporator (2), an engine body (3) and an energy body (4), wherein rolling bodies are arranged on the engine body (3) or the energy body (4), the outer wall of the energy body (4) is connected with the inner wall of the engine body (3) through the rolling bodies, a cavity (6) is formed between the bottom of the energy body (4) and the inner wall of the engine body (3), the evaporator (2) continuously absorbs heat to evaporate liquid working media to push the energy body (4) to move upwards to do work until an upper limit stroke, and when the ambient temperature is lower than the evaporation temperature, the energy body (4) moves downwards due to the dead weight to compress gaseous working media to complete liquefaction.
2. A low-loss prime mover as claimed in claim 1, wherein the bottom of the energy body (4) is slidably and sealingly arranged with the inner wall of the body (3), and the evaporator (2) is in communication with the cavity (6).
3. A low-loss prime mover as claimed in claim 1, wherein a telescopic inner container (19) is provided in the cavity (6), the evaporator (2) being in communication with the inner container (19).
4. A low-loss prime mover according to claim 2 or claim 3, further comprising a radiator (5), the radiator (5) being arranged to dissipate heat generated during the liquefaction cycle.
5. A low-loss prime mover as claimed in claim 4, further comprising a controller (17), and an upper limit switch (12) and a lower limit switch (13) disposed on the energy mass (4), the controller (17) being electrically connected to the upper limit switch (12), the lower limit switch (13) and the heat sink (5).
6. A low-loss prime mover according to claim 5, further comprising an immobiliser (14) for immobilising the energy mass (4), the controller (17) being electrically connected to the immobiliser (14).
7. A low-loss prime mover according to claim 6, wherein a temperature sensor (8) is arranged in the evaporator (2), the temperature sensor (8) is used for detecting whether the temperature of the evaporator (2) reaches a set value for doing work, and the controller (17) is electrically connected with the temperature sensor (8).
8. A low-loss prime mover according to claim 6, further comprising an ambient temperature sensor (18) and/or a pressure sensor (9), the pressure sensor (9) being adapted to monitor the pressure in the cavity (6), the ambient temperature sensor (18) and/or the pressure sensor (9) being electrically connected to the controller (17).
9. A low-loss prime mover as claimed in claim 7 or 8, wherein the evaporator (2) is connected to the reservoir (1) via a pipe I (15), the pipe I (15) is provided with a solenoid valve (7), and the controller (17) is electrically connected to the solenoid valve (7).
10. A method of doing work, comprising the steps of:
step 1: the energy body (4) is positioned at the bottom, when the temperature sensor (8) detects that the temperature in the evaporator (2) reaches the acting setting, the controller (17) controls the electromagnetic valve (7) to be opened, the liquid working medium in the liquid storage tank (1) flows into the evaporator (2), the liquid working medium is evaporated and forms a gaseous working medium, the gaseous working medium is communicated into the cavity (6) to push the energy body (4), and the energy body (4) moves upwards along the inner wall of the machine body (3) through the rolling body and acts outwards;
step 2: when the energy body (4) moves upwards to an upper limit stroke, the upper limit switch (12) is triggered, the controller (17) receives a signal of the upper limit switch (12), controls the electromagnetic valve (7) to be closed, and controls the locking device (14) to lock the position of the energy body (4);
and step 3: when the ambient temperature sensor (8) detects that the ambient temperature reaches the liquefaction line setting, the controller (17) controls the radiator (5) to work, the pressure of the gaseous working medium in the cavity (6) is reduced, when the pressure detected by the pressure sensor (9) is reduced to the setting value, the controller (17) controls the locking device (14) to unlock, and simultaneously controls the electromagnetic valve (7) to open, the energy body (4) moves downwards, and the liquefied gaseous working medium flows back to the liquid storage tank (1);
and 4, step 4: when the energy body (4) moves downwards to a lower limit stroke, the lower limit switch (13) is triggered, the controller (17) receives a signal of the lower limit switch (13), the electromagnetic valve (7) is controlled to be closed, and the radiator (5) stops working;
and 5: and (4) repeating the step (1) so as to reciprocate the working stroke and the liquefaction stroke.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207014.XA CN110905612A (en) | 2019-11-29 | 2019-11-29 | Low-loss prime motor and acting method |
| PCT/CN2020/131902 WO2021104398A1 (en) | 2019-11-29 | 2020-11-26 | Prime mover, working method, and hydraulic turbine set |
| CN202011352924.XA CN112502798A (en) | 2019-11-29 | 2020-11-26 | Prime motor and work doing method |
| CN202011347271.6A CN112502797A (en) | 2019-11-29 | 2020-11-26 | Low-loss prime motor and acting method |
| CN202022786320.8U CN215109062U (en) | 2019-11-29 | 2020-11-26 | A prime mover |
| CN202022807982.9U CN215109063U (en) | 2019-11-29 | 2020-11-26 | Low-loss prime motor |
| CN202011347292.8A CN112459856B (en) | 2019-11-29 | 2020-11-26 | Prime mover, acting method and water turbine set |
| CN202022783184.7U CN215109061U (en) | 2019-11-29 | 2020-11-26 | Prime mover and water turbine set |
| PCT/CN2021/072572 WO2021104540A1 (en) | 2019-11-29 | 2021-01-18 | Prime mover and work-doing method and a water turbine group |
| EP21728140.1A EP4067631A4 (en) | 2019-11-29 | 2021-01-18 | Prime mover and work-doing method and a water turbine group |
| US17/781,230 US20220412229A1 (en) | 2019-11-29 | 2021-01-18 | Hydraulic turbine unit |
| JP2022532585A JP7301232B2 (en) | 2019-11-29 | 2021-01-18 | hydro turbine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207014.XA CN110905612A (en) | 2019-11-29 | 2019-11-29 | Low-loss prime motor and acting method |
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| Publication Number | Publication Date |
|---|---|
| CN110905612A true CN110905612A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911207014.XA Pending CN110905612A (en) | 2019-11-29 | 2019-11-29 | Low-loss prime motor and acting method |
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| Country | Link |
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| CN (1) | CN110905612A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021104398A1 (en) * | 2019-11-29 | 2021-06-03 | 钟学斌 | Prime mover, working method, and hydraulic turbine set |
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- 2019-11-29 CN CN201911207014.XA patent/CN110905612A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021104398A1 (en) * | 2019-11-29 | 2021-06-03 | 钟学斌 | Prime mover, working method, and hydraulic turbine set |
| WO2021104540A1 (en) * | 2019-11-29 | 2021-06-03 | 钟学斌 | Prime mover and work-doing method and a water turbine group |
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