CN113238591A - Liquid conveying temperature control equipment - Google Patents
Liquid conveying temperature control equipment Download PDFInfo
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- CN113238591A CN113238591A CN202110788097.7A CN202110788097A CN113238591A CN 113238591 A CN113238591 A CN 113238591A CN 202110788097 A CN202110788097 A CN 202110788097A CN 113238591 A CN113238591 A CN 113238591A
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- G05D23/19—Control of temperature characterised by the use of electric means
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Abstract
The invention relates to a liquid conveying temperature control device which comprises a liquid storage tank, a liquid bag, a conveying pipeline, a return pipe, a temperature control plate, a head end thermometer, a tail end thermometer, a speed regulator, a return cabin, a check valve, a return valve, a temperature controller, an environmental thermometer and a central control module. According to the invention, the external environment temperature is detected, whether the temperature control plate is started or not is judged according to the external environment temperature, and when the external temperature is similar to the liquid output temperature, the temperature control plate is not started, so that the energy is saved; when starting the control temperature board, according to external environment temperature, adjust control temperature board start temperature, the temperature is the optimum temperature when guaranteeing liquid output, quality when having ensured liquid output, simultaneously, according to pipeline length, adjust the temperature of control temperature board, prevent that external temperature from leading to the fact the influence to pipeline to the liquid temperature of external output not in the optimum scope to pipeline internal temperature, the output temperature of reasonable control liquid, the liquid temperature of having ensured output is in the optimum scope.
Description
Technical Field
The invention relates to the technical field of temperature regulation, in particular to liquid conveying temperature control equipment.
Background
In chemical experiments, plant cultivation, nutrient solution supplementation and other environments requiring liquid transportation, the temperature of liquid needs to be strictly controlled, and when the temperature of the liquid does not meet the required temperature, the ideal effect required by liquid transportation cannot be achieved, for example, in the chemical experiments, if the temperature of the dropped liquid does not meet the required temperature, the experimental data is inaccurate, and if the temperature of the dropped liquid does not meet the required temperature, dangerous reactions occur; during plant cultivation, inaccurate liquid temperature can cause plants to grow slowly and even die; when nutrient solution is supplemented, and nutrient substances and nutrient components have different activities in different temperature ranges, inaccurate nutrient solution temperature can cause the reduction of drug effect.
Therefore, when carrying out above-mentioned liquid and carrying, often need accurate temperature regulation, however, current control by temperature change adjusting device often needs the manual work to adjust and intervenes, can not adjust according to the environment independently, adjusts inefficiency, and the error is big.
Disclosure of Invention
Therefore, the invention provides liquid conveying temperature control equipment, which is used for solving the problems that in the prior art, the liquid temperature control equipment cannot be automatically adjusted according to the environment, the adjusting efficiency is low, and the error is large. To achieve the above object, the present invention provides a liquid delivery temperature control apparatus comprising,
the liquid storage box is used for placing a liquid bag filled with liquid to be conveyed, and a temperature control plate used for adjusting the temperature of the liquid in the liquid bag is arranged in the liquid storage box;
the conveying pipeline is connected with the liquid bag and is used for conveying liquid;
the head end thermometer is arranged on the conveying pipeline and is positioned at one end close to the liquid storage tank;
the tail end thermometer is arranged on the conveying pipeline and is positioned at one end far away from the liquid storage tank;
a flow stop valve disposed at a distal end of the delivery conduit;
a governor provided on the delivery pipe;
the temperature controller is arranged on the conveying pipeline and is positioned between the speed regulator and the end thermometer;
the two ends of the return pipe are connected with the conveying pipeline, one end of the return pipe is arranged between the terminal thermometer and the flow stopping valve, the other end of the return pipe is arranged between the speed regulator and the temperature controller, and the return pipe is provided with a return valve and a return bin;
an environmental thermometer provided on the liquid storage tank to detect an environmental temperature;
the central control module is arranged in the liquid storage tank, is respectively connected with the temperature control plate, the head end thermometer, the tail end thermometer, the speed regulator, the backflow bin, the flow stopping valve, the backflow valve and the temperature controller, and is used for adjusting the working states of all the components;
before the liquid is conveyed by the liquid conveying temperature control equipment, the liquid bag is firstly placed in the liquid storage tank and is connected with the conveying pipeline, and after the connection is finished, the central control module controls the temperature control plate to carry out temperature regulation;
when the temperature control plate is used for adjusting the temperature of the liquid in the liquid bag, the environment thermometer detects the environment temperature of the temperature control equipment, the central control module determines the preset starting temperature of the temperature control plate according to the environment temperature, meanwhile, the length of the conveying pipeline is conveyed to the central control module, and the central control module adjusts the preset starting temperature according to the length of the conveying pipeline;
the central control module is internally provided with the starting range value of the temperature control plate, compares the preset starting temperature, limits the starting temperature of the temperature control plate when the preset starting temperature exceeds the range, and starts the temperature controller to regulate the temperature of the liquid.
Further, when the temperature control board is used to adjust the temperature of the liquid in the liquid bag, a liquid output standard temperature value Wz is set in the central control module, the environmental thermometer detects an external temperature Q of an environment where the temperature control device is located, the central control module calculates an absolute value Wp, Wp = | -Wz-Q |, of a difference between the liquid output standard temperature value Wz and the external temperature Q, a standard value Wpz of a temperature difference is set in the central control module, and the central control module compares the Wp with the standard value Wpz of the temperature difference:
when Wp is less than or equal to Wpz, the temperature control plate is not started, and the temperature of the liquid bag is not adjusted;
when Wp is greater than Wpz, the central control module controls the temperature control plate to start so as to adjust the temperature of the liquid bag, and the starting temperature of the temperature control plate is V.
Further, when the temperature control board is started, the central control module compares the liquid output standard temperature value Wz with the external temperature Q,
when Wz is larger than Q, the central control module judges that the external environment temperature is too low, the central control module controls the temperature control board to start a heating function, the preset starting temperature Vy of the temperature control board is a heating temperature, Vy = (Wz-Q). times.v 1+ Wz, wherein v1 is a temperature difference heating temperature adjusting parameter for the temperature control board;
when Wz is less than Q, the central control module judges that the external environment temperature is too high, the central control module controls the temperature control board to start a refrigeration function, the preset starting temperature Vy of the temperature control board is the refrigeration temperature, Vy = Wz- (Wz-Q) x v2, wherein v2 is a temperature difference parameter for adjusting the refrigeration temperature of the temperature control board.
Further, inputting the length L of the conveying pipeline into the central control module, setting the length Lz of the standard conveying pipeline of the conveying pipeline in the central control module, calculating the length L of the conveying pipeline by the central control module and comparing the length L of the conveying pipeline with the length Lz of the standard conveying pipeline,
when L is less than or equal to Lz, the central control module judges that the length of the conveying pipeline is within the length range of the standard conveying pipeline, and the central control module does not adjust the temperature of the temperature control plate according to the length of the conveying pipeline;
and when L is larger than Lz, the central control module judges that the length of the conveying pipeline is not within the length range of the standard conveying pipeline, and adjusts the temperature of the temperature control plate according to the length of the conveying pipeline.
Further, when the temperature of the temperature control plate is adjusted according to the length of the conveying pipeline and Wz is larger than Q, the central control module adjusts the starting temperature to Vy ', Vy' = Vy + (L-Lz). times.d 1, wherein d1 is a first adjusting parameter of the length of the conveying pipeline on the temperature control plate;
when the temperature of the temperature control plate is adjusted according to the length of the conveying pipeline and Wz is less than Q, the central control module adjusts the starting temperature to Vy ', Vy' = Vy- (L-Lz). times.d 2, wherein d2 is a second adjusting parameter of the length of the conveying pipeline to the temperature control plate.
Further, a temperature control board highest temperature parameter V1 and a temperature control board lowest temperature parameter V2 are also provided in the central control module, and the central control module compares the preset starting temperature Vy' with the temperature control board highest temperature parameter V1 and the temperature control board lowest temperature parameter V2:
when Vy 'is less than or equal to V2, the central control module judges that the preset starting temperature Vy' is too low, and the central control module judges that the lowest temperature parameter V2 of the temperature control plate is the starting temperature V of the temperature control plate;
when V2 is more than Vy ' and less than or equal to V1, the central control module judges that the preset starting temperature Vy ' is in a reasonable range, and the central control module judges that the preset starting temperature Vy ' is the starting temperature V of the temperature control board;
and when Vy 'is more than V1, the central control module judges that the preset starting temperature Vy' is too high, and the central control module judges that the temperature control board highest temperature parameter V1 is the temperature control board starting temperature V.
Further, when the starting temperature of the temperature control plate is V2, the central control module judges that the temperature of the liquid during output is higher than the optimal output temperature of the liquid, and the central control module controls the temperature controller to start, so that the liquid in the conveying pipeline is cooled;
when the starting temperature of the temperature control plate is V1, the central control module judges that the temperature is lower than the optimal output temperature of the liquid when the liquid is output, and the central control module controls the temperature controller to start to heat the liquid in the conveying pipeline.
Further, when the starting temperature of the temperature control plate is V2, the head end thermometer is started, detects the temperature E1 when the liquid enters the conveying pipeline and transmits the detection result to the central control module, the central control module calculates the starting temperature F of the temperature controller according to Ep1, wherein F = Wz-Ep1 × E1, and E1 is the adjusting parameter of the temperature E1 on the starting temperature of the temperature controller, and the difference Ep1, Ep1= E1-Wz of the E1 and the standard temperature value Wz of the liquid output is obtained;
when the starting temperature of the temperature control plate is V1, the head end thermometer is started, the temperature E2 when liquid enters the conveying pipeline is detected, the detection result is transmitted to the central control module, the central control module calculates the difference Ep2 between E2 and a liquid output standard temperature value Wz, Ep2= Wz-E2, the central control module calculates the starting temperature F of the temperature controller according to Ep2, F = Wz + Ep2 × E2, and E2 is a parameter for adjusting the starting temperature of the temperature controller by the temperature E2.
Furthermore, the temperature controller is a water circulation temperature control system, and the temperature controller comprises a circulation cavity, a water temperature controller, an inflow pipeline, an outflow pipeline, a piston and a pressure spring, wherein the circulation cavity is sleeved on the conveying pipeline, circulating water flows out of the water temperature controller, enters the circulation cavity through the inflow pipeline, and flows back to the water temperature controller through the outflow pipeline; when the flow rate is low, the pressure spring is externally released, and the volume of the circulation cavity is reduced;
when the starting temperature of the temperature control plate is V2, the central control module controls the water flow rate of the inflow pipeline to be P, P = Pb + Ep1 × P1, Pb is the basic water flow rate of the input pipeline, and P1 is a water flow rate adjusting parameter of the temperature difference Ep 1;
when the starting temperature of the temperature control plate is V1, the central control module controls the water flow rate of the inflow pipeline to be P, P = Pb + Ep2 × P2, and P2 is a temperature difference Ep2 to water flow rate adjusting parameter.
Further, after the liquid flows through the temperature controller, the terminal thermometer detects the temperature of the liquid and transmits the detection result to the central control module, the central control module calculates a difference Hp between the temperature H and the liquid output standard temperature value Wz, Hp = | -H-Wz |, and the central control module compares Hp with a standard value Wpz of the temperature difference:
when Hp is less than or equal to Wpz, the central control module judges that the temperature of the liquid is the optimal temperature at the moment, the central control module controls the stop valve to be opened, and the liquid flows out at the optimal temperature;
when Hp is larger than Wpz, the central control module controls the stop valve to close, liquid flows back from the return pipe, the return bin is internally provided with a temperature control device which adjusts the temperature of the liquid, and the return bin returns the adjusted liquid to the conveying pipeline;
the end thermometer detects the temperature H 'of the liquid flowing out of the return bin and passing through the end, the central control module calculates the difference Hp', Hp '= | H' -Wz | between the temperature H 'and the liquid output standard temperature value Wz, and the central control module compares the Hp' with the standard value Wpz of the temperature difference:
when Hp' is less than or equal to Wpz, the central control module judges that the temperature of the liquid is the optimal temperature at the moment, the central control module controls the stop valve to be opened, and the liquid flows out at the optimal temperature;
when Hp' > Wpz, the central control module determines that the current environment is not suitable for liquid outflow and keeps the check valve closed.
Compared with the prior art, the liquid temperature control device has the advantages that when the temperature control plate is used for adjusting the temperature of liquid in the liquid bag, the liquid output standard temperature value Wz is arranged in the central control module, when temperature control equipment is used for controlling the temperature, the external environment temperature is detected, whether the temperature control plate is started or not is judged according to the external environment temperature, and when the external temperature is similar to the liquid output temperature, the temperature control plate is not started, so that energy is saved.
Particularly, when the temperature control plate is started, the central control module compares a liquid output standard temperature value Wz with an external temperature Q, when Wz is larger than Q, the central control module judges that the external environment temperature is too low, and controls the temperature control plate to start a heating function; when Wz is less than Q, the central control module judges that the external environment temperature is too high, the central control module controls the temperature control plate to start a refrigeration function, and when the temperature control plate is started, the starting temperature of the temperature control plate is adjusted according to the external environment temperature, so that the temperature is ensured to be the optimal temperature when liquid is output, and the temperature of the output liquid is ensured to be in the optimal range.
And further, inputting the length L of the conveying pipeline into the central control module, wherein the length Lz of the standard conveying pipeline of the conveying pipeline is arranged in the central control module, the central control module calculates the length L of the conveying pipeline to be compared with the length Lz of the standard conveying pipeline, when L is larger than Lz, the central control module judges that the length of the conveying pipeline is not within the length range of the standard conveying pipeline, and adjusts the temperature of the temperature control plate according to the length of the conveying pipeline. According to pipeline length, adjust the temperature of control by temperature change board, prevent that the ambient temperature is right the pipeline internal temperature causes the influence to lead to pipeline to be not in the optimum scope to the liquid temperature of external output, rationally controlled the output temperature of liquid, ensured the liquid temperature of output at the optimum scope.
In particular, when the temperature control plate is adjusted according to the length of the conveying pipeline and Wz is greater than Q, the central control module adjusts the starting temperature to Vy ', Vy' = Vy + (L-Lz) x d 1; when the temperature of the temperature control plate is adjusted according to the length of the conveying pipeline and Wz is less than Q, the central control module adjusts the starting temperature to Vy ', Vy' = Vy- (L-Lz) × d2, and the preset starting temperature of the temperature control plate is adjusted according to the length of the conveying pipeline, so that the liquid temperature in the conveying pipeline is prevented from being influenced by the external temperature due to the overlong conveying pipeline, and the temperature of the liquid is ensured to be in the optimal temperature range during output.
Further, a temperature control plate highest temperature parameter V1 and a temperature control plate lowest temperature parameter V2 are further arranged in the central control module, the central control module compares the preset starting temperature Vy' with the temperature control plate highest temperature parameter V1 and the temperature control plate lowest temperature parameter V2, and the temperature of the liquid is guaranteed to be within a reasonable range and the temperature of the output liquid is guaranteed to be within an optimal range by setting the temperature control plate highest temperature and the temperature control plate lowest temperature.
Particularly, when the central control module controls the temperature control board to be started at the temperature of V2 or V1, the temperature control board does not adjust the output of the liquid enough, and the central control module starts the temperature controller to adjust the temperature of the liquid for the second time, so that the liquid is ensured to be output in the optimal temperature range.
Particularly, when the starting temperature of the temperature control plate is V2, the head end thermometer is started, the temperature E1 when the liquid enters the conveying pipeline is detected, the detection result is transmitted to the central control module, the central control module adjusts the starting temperature of the temperature control instrument according to the difference Ep1 between the E1 and the liquid output standard temperature value Wz, and the liquid is ensured to be output in the optimal temperature range.
Furthermore, the flow velocity of the inflow pipeline changes along with the temperature of the temperature controller during starting, when the flow velocity is high, the pressure spring contracts under the impact force of water flow, and the volume of the circulation cavity is increased; when the flow rate is low, the pressure spring is outwards released, and the volume of the circulation cavity is reduced. The water flow speed is adjusted according to the temperature, and then the cavity volume of the circulating cavity is adjusted, so that the temperature control effect is guaranteed, and the liquid is output in the optimal temperature range.
Especially, when the temperature difference is large, the water flow speed is increased, so that the volume of the circulating cavity is increased, the temperature control effect is further ensured, and the liquid is output in the optimal temperature range.
Further, after the liquid flows through the temperature controller, the terminal thermometer detects the temperature of the liquid and transmits a detection result to the central control module, the central control module calculates a difference value Hp between the temperature H and a liquid output standard temperature value Wz, when the Hp is greater than Wpz, the central control module controls the stop valve to be closed, the liquid flows back from the return pipe, the return cabin is internally provided with temperature control equipment, the temperature control equipment adjusts the temperature of the liquid, and the return cabin returns the adjusted liquid to the conveying pipeline; by arranging the backflow channel, the liquid is in the optimal temperature range when flowing out.
Drawings
FIG. 1 is a schematic structural view of a liquid-conveying temperature control apparatus according to the present invention;
fig. 2 is a schematic structural diagram of the temperature controller according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the structural schematic diagram of the liquid conveying temperature control device of the present invention is shown, and the present invention discloses a liquid conveying temperature control device, which includes a liquid storage tank 1, a liquid bag 2, a conveying pipeline 3, a return pipe 4, a temperature control plate 5, a head end thermometer 6, a tail end thermometer 7, a speed regulator 8, a return cabin 9, a stop valve 10, a return valve 11, a temperature controller 12, an environmental thermometer 13, and a central control module 14;
the liquid storage tank 1 is used for placing a liquid bag 2 filled with liquid to be conveyed, and a temperature control plate 5 used for adjusting the temperature of the liquid in the liquid bag 2 is arranged in the liquid storage tank 1;
a delivery pipe 3 connected to the liquid bag 2 for delivering liquid;
a head end thermometer 6 which is arranged on the conveying pipeline 3 and is positioned at one end close to the liquid storage tank 1;
a terminal thermometer 7 arranged on the delivery pipe 3 and located at an end remote from the reservoir 1;
a flow stop valve 10 arranged at the end of the delivery duct 3;
a speed regulator 8 provided on the conveyance pipe 3;
a temperature controller 12 provided on the conveying pipe 3 between the speed regulator 8 and the end thermometer 7;
a return pipe 4, both ends of which are connected with the conveying pipeline 3, wherein one end of the return pipe 4 is arranged between the terminal thermometer 7 and the check valve 10, the other end is arranged between the speed regulator 8 and the temperature controller 12, and the return pipe 4 is provided with a return valve 11 and a return bin 9;
an environmental thermometer 13 provided on the liquid storage tank 1 to detect an environmental temperature;
the central control module 14 is arranged in the liquid storage tank 1, and is respectively connected with the temperature control plate 5, the head end thermometer 6, the tail end thermometer 7, the speed regulator 8, the backflow bin 9, the check valve 10, the backflow valve 11 and the temperature controller 12, so as to adjust the working states of all the components;
before the liquid conveying temperature control equipment is used for conveying liquid, the liquid bag 2 is firstly placed into the liquid storage tank 1, the liquid bag 2 is connected with the conveying pipeline 3, and after the connection is completed, the central control module 14 controls the temperature control plate 5 to regulate the temperature;
when the temperature control board 5 is used to adjust the temperature of the liquid in the liquid bag 2, a liquid output standard temperature value Wz is set in the central control module 14, the environmental thermometer 13 detects an external temperature Q of an environment where the temperature control device is located, the central control module 14 calculates an absolute value Wp, Wp = | -Wz-Q |, of a difference between the liquid output standard temperature value Wz and the external temperature Q, a standard value Wpz of a temperature difference is set in the central control module 14, and the central control module 14 compares Wp with a standard value Wpz of the temperature difference:
when Wp is less than or equal to Wpz, the temperature control plate 5 is not started, and the temperature of the liquid bag 2 is not adjusted;
when Wp is greater than Wpz, the central control module 14 controls the temperature control board 5 to start so as to regulate the temperature of the liquid bag 2, and the starting temperature of the temperature control board 5 is V.
In the present embodiment, Wz =35 ℃, Wpz =3 ℃.
When the temperature control device is used for temperature control, the external environment temperature is detected, whether the temperature control plate 5 is started or not is judged according to the external environment temperature, and when the external temperature is similar to the liquid output temperature, the temperature control plate 5 is not started, so that the energy is saved.
When the temperature control plate 5 is started, the central control module 14 compares the liquid output standard temperature value Wz with the external temperature Q,
when Wz is greater than Q, the central control module 14 determines that the external environment temperature is too low, the central control module 14 controls the temperature control board 5 to start a heating function, a preset starting temperature Vy of the temperature control board 5 is a heating temperature, Vy = (Wz-Q) × v1+ Wz, wherein v1 is a parameter for adjusting the heating temperature of the temperature control board 5 by using a temperature difference;
when Wz is less than Q, the central control module 14 determines that the external environment temperature is too high, the central control module 14 controls the temperature control board 5 to start the refrigeration function, the preset starting temperature Vy of the temperature control board 5 is the refrigeration temperature, Vy = Wz- (Wz-Q) × v2, wherein v2 is a parameter for adjusting the refrigeration temperature of the temperature control board 5 by using the temperature difference.
In the present embodiment, v1=0.6 and v2= 0.6.
When the temperature control plate 5 is started, the starting temperature of the temperature control plate 5 is adjusted according to the external environment temperature, the temperature is ensured to be the optimal temperature when liquid is output, and the quality of the liquid when the liquid is output is ensured.
Inputting the length L of the conveying pipeline 3 into the central control module 14, setting the length Lz of the standard conveying pipeline 3 of the conveying pipeline 3 in the central control module 14, calculating the length L of the conveying pipeline 3 by the central control module 14 and comparing the length Lz of the standard conveying pipeline 3,
when L is less than or equal to Lz, the central control module 14 judges that the length of the conveying pipeline 3 is within the length range of the standard conveying pipeline 3, and the central control module 14 does not adjust the temperature of the temperature control plate 5 according to the length of the conveying pipeline 3;
when L is larger than Lz, the central control module 14 judges that the length of the conveying pipeline 3 is not within the length range of the standard conveying pipeline 3, and the central control module 14 adjusts the temperature of the temperature control plate 5 according to the length of the conveying pipeline 3.
In the present embodiment, Lz =3m, and Δ Lz =0.5 m.
According to the length of the conveying pipeline 3, the temperature of the temperature control plate 5 is adjusted, the external temperature is prevented from being influenced by the temperature in the conveying pipeline 3, so that the liquid temperature output to the outside by the conveying pipeline 3 is not in the optimal range, the output temperature of the liquid is reasonably controlled, and the output liquid temperature is ensured to be in the optimal range.
When the temperature of the temperature control plate 5 is adjusted according to the length of the conveying pipeline 3 and Wz is larger than Q, the central control module 14 adjusts the starting temperature to Vy ', Vy' = Vy + (L-Lz) × d1, wherein d1 is a first adjusting parameter of the length of the conveying pipeline 3 on the temperature control plate 5;
when the temperature of the temperature control plate 5 is adjusted by the length of the conveying pipeline 3 and Wz is less than Q, the central control module 14 adjusts the starting temperature to Vy ', Vy' = Vy- (L-Lz) × d2, wherein d2 is a second adjusting parameter of the length of the conveying pipeline 3 to the temperature control plate 5.
The starting temperature of the preset temperature control plate 5 is adjusted according to the length of the conveying pipeline 3, the condition that the conveying pipeline 3 is too long and the external temperature affects the temperature of the liquid in the conveying pipeline 3 is avoided, and the temperature of the liquid is ensured to be in the optimal temperature range when the liquid is output.
The central control module 14 is further provided with a maximum temperature parameter V1 of the thermal control board 5 and a minimum temperature parameter V2 of the thermal control board 5, and the central control module 14 compares the preset starting temperature Vy' with the maximum temperature parameter V1 of the thermal control board 5 and the minimum temperature parameter V2 of the thermal control board 5:
when Vy 'is less than or equal to V2, the central control module 14 judges that the preset starting temperature Vy' is too low, and the central control module 14 judges that the lowest temperature parameter V2 of the temperature control plate 5 is the starting temperature V of the temperature control plate 5;
when V2 is greater than Vy ' and less than or equal to V1, the central control module 14 judges that the preset starting temperature Vy ' is within a reasonable range, and the central control module 14 judges that the preset starting temperature Vy ' is the starting temperature V of the temperature control panel 5;
when Vy 'is greater than V1, the central control module 14 determines that the preset starting temperature Vy' is too high, and the central control module 14 determines that the highest temperature parameter V1 of the thermal control board 5 is the starting temperature V of the thermal control board 5.
In this example, V1=42 ℃, V2=27 ℃.
The highest temperature and the lowest temperature controlled by the temperature control plate 5 are set, so that the temperature of the liquid is guaranteed within a reasonable range, and the quality of the liquid during output is guaranteed.
When the starting temperature of the temperature control plate 5 is V2, the central control module 14 determines that the temperature of the liquid output is higher than the optimal output temperature of the liquid, and the central control module 14 controls the temperature controller 12 to start, so as to cool the liquid in the conveying pipeline 3;
when the starting temperature of the temperature control plate 5 is V1, the central control module 14 determines that the temperature is lower than the optimal output temperature of the liquid when the liquid is output, and the central control module 14 controls the temperature controller 12 to start, so as to heat the liquid in the conveying pipeline 3.
When the central control module 14 controls the temperature control panel 5 to start at the temperature of V2 or V1, the temperature control panel 5 does not adjust the output of the liquid enough, and the central control module 14 starts the temperature controller 12 to adjust the temperature of the liquid for the second time, so as to ensure that the liquid is output in the optimal temperature range.
When the starting temperature of the temperature control plate 5 is V2, the head end thermometer 6 is started, detects the temperature E1 when the liquid enters the conveying pipeline 3 and transmits the detection result to the central control module 14, the central control module 14 calculates the difference value Ep1, Ep1= E1-Wz between E1 and the liquid output standard temperature value Wz, the central control module 14 calculates the starting temperature F of the temperature controller 12 according to Ep1, F = Wz-Ep1 × E1, wherein E1 is a starting temperature adjusting parameter of the temperature E1 to the temperature controller 12;
when the starting temperature of the temperature control plate 5 is V1, the head end thermometer 6 is started, detects the temperature E2 when the liquid enters the conveying pipeline 3 and transmits the detection result to the central control module 14, the central control module 14 calculates the difference value Ep2, Ep2= Wz-E2 between E2 and the liquid output standard temperature value Wz, the central control module 14 calculates the starting temperature F of the temperature controller 12 according to Ep2, F = Wz + Ep2 × E2, wherein E2 is a starting temperature adjusting parameter of the temperature E2 on the temperature controller 12.
The start temperature of the temperature controller 12 is adjusted according to the temperature difference to ensure that the liquid is output in an optimal temperature range.
Referring to fig. 2, a schematic structural diagram of the temperature controller according to the present invention is shown, where the temperature controller 12 is a water circulation temperature control system, and the temperature controller 12 includes a circulation cavity 121, a water temperature controller 122, an inflow pipe 123, an outflow pipe 124, a piston 125, and a pressure spring 126, where the circulation cavity 121 is sleeved on the delivery pipe 3, circulating water flows out of the water temperature controller 122 and enters the circulation cavity 121 through the inflow pipe 123, and flows back to the water temperature controller 122 through the outflow pipe 124, the outflow pipe 124 is connected to the piston 125, when the temperature controller 12 works, a flow rate of the inflow pipe 123 changes with a temperature at which the temperature controller 12 is started, and when the flow rate is high, the pressure spring 126 contracts under an impact force of water flow, and a volume of the circulation cavity 121 increases; when the flow rate is slow, the pressure spring 126 is released, and the volume of the circulation cavity 121 is reduced.
The water flow speed is adjusted according to the temperature, and then the cavity volume of the circulation cavity 121 is adjusted, so that the temperature control effect is guaranteed, and the liquid is output in the optimal temperature range.
When the starting temperature of the temperature control plate 5 is V2, the central control module 14 controls the water flow rate of the inflow pipe 123 to be P, P = Pb + Ep1 × P1, Pb is the base water flow rate of the input pipe, and P1 is a temperature difference Ep1 to water flow rate adjustment parameter;
when the starting temperature of the thermal control plate 5 is V1, the central control module 14 controls the water flow rate of the inflow pipe 123 to be P, P = Pb + Ep2 × P2, and P2 is a temperature difference Ep2 to water flow rate adjustment parameter.
When the temperature difference is large, the water flow speed is increased to increase the volume of the circulation cavity 121, so that the temperature control effect is ensured, and the liquid is output in the optimal temperature range.
When the liquid flows through the temperature controller 12, the terminal thermometer 7 detects the temperature of the liquid and transmits the detection result to the central control module 14, the central control module 14 calculates a difference Hp between the temperature H and the liquid output standard temperature value Wz, Hp = | -H-Wz |, and the central control module 14 compares Hp with a standard value Wpz of the temperature difference:
when Hp is less than or equal to Wpz, the central control module 14 determines that the temperature of the liquid is the optimal temperature at the moment, the central control module 14 controls the check valve 10 to be opened, and the liquid flows out at the optimal temperature;
when Hp is greater than Wpz, the central control module 14 controls the stop valve 10 to close, liquid flows back from the return pipe 4, the return bin 9 is internally provided with a temperature control device which adjusts the temperature of the liquid, and the return bin 9 feeds back the adjusted liquid to the conveying pipeline 3;
the end thermometer 7 detects the temperature H 'of the liquid flowing out of the return bin 9 and passing through the end, the central control module 14 calculates the difference Hp', Hp '= | H' -Wz | between the temperature H 'and the liquid output standard temperature value Wz, and the central control module 14 compares Hp' with the standard value Wpz of the temperature difference:
when Hp' is less than or equal to Wpz, the central control module 14 judges that the temperature of the liquid is the optimal temperature at the moment, the central control module 14 controls the check valve 10 to be opened, and the liquid flows out at the optimal temperature;
when Hp' > Wpz, the central control module 14 determines that the current environment is not suitable for liquid outflow, keeping the check valve 10 closed.
By arranging the backflow channel, the liquid is in the optimal temperature range when flowing out.
When the liquid conveying temperature control equipment is used for controlling the temperature, the temperature of the liquid in the liquid bag 2 is controlled in advance, so that the temperature is Wz when the liquid bag 2 is placed into the liquid storage box 1.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A liquid delivery temperature control apparatus, comprising,
the liquid storage box is used for placing a liquid bag filled with liquid to be conveyed, and a temperature control plate used for adjusting the temperature of the liquid in the liquid bag is arranged in the liquid storage box;
the conveying pipeline is connected with the liquid bag and is used for conveying liquid;
the head end thermometer is arranged on the conveying pipeline and is positioned at one end close to the liquid storage tank;
the tail end thermometer is arranged on the conveying pipeline and is positioned at one end far away from the liquid storage tank;
a flow stop valve disposed at a distal end of the delivery conduit;
a governor provided on the delivery pipe;
the temperature controller is arranged on the conveying pipeline and is positioned between the speed regulator and the end thermometer;
the two ends of the return pipe are connected with the conveying pipeline, one end of the return pipe is arranged between the terminal thermometer and the flow stopping valve, the other end of the return pipe is arranged between the speed regulator and the temperature controller, and the return pipe is provided with a return valve and a return bin;
an environmental thermometer provided on the liquid storage tank to detect an environmental temperature;
the central control module is arranged in the liquid storage tank, is respectively connected with the temperature control plate, the head end thermometer, the tail end thermometer, the speed regulator, the backflow bin, the flow stopping valve, the backflow valve and the temperature controller, and is used for adjusting the working states of all the components;
before the liquid is conveyed by the liquid conveying temperature control equipment, the liquid bag is firstly placed in the liquid storage tank and is connected with the conveying pipeline, and after the connection is finished, the central control module controls the temperature control plate to carry out temperature regulation;
when the temperature control plate is used for adjusting the temperature of the liquid in the liquid bag, the environment thermometer detects the environment temperature of the temperature control equipment, the central control module determines the preset starting temperature of the temperature control plate according to the environment temperature, meanwhile, the length of the conveying pipeline is conveyed to the central control module, and the central control module adjusts the preset starting temperature according to the length of the conveying pipeline;
the central control module is internally provided with the starting range value of the temperature control plate, compares the preset starting temperature, limits the starting temperature of the temperature control plate when the preset starting temperature exceeds the range, and starts the temperature controller to regulate the temperature of the liquid.
2. The liquid delivery temperature control device of claim 1, wherein when the temperature control board is used to adjust the temperature of the liquid in the liquid bag, the central control module has a liquid output standard temperature value Wz, the environmental thermometer detects an external temperature Q of an environment where the temperature control device is located, the central control module calculates an absolute value Wp of a difference between the liquid output standard temperature value Wz and the external temperature Q, Wp = | -Wz-Q |, and a standard value Wpz of a temperature difference is set in the central control module, and the central control module compares Wp with a standard value Wpz of the temperature difference:
when Wp is less than or equal to Wpz, the temperature control plate is not started, and the temperature of the liquid bag is not adjusted;
when Wp is greater than Wpz, the central control module controls the temperature control plate to start so as to adjust the temperature of the liquid bag, and the starting temperature of the temperature control plate is V.
3. The liquid delivery temperature control device of claim 2, wherein the central control module compares the liquid output standard temperature value Wz with an outside temperature Q when the temperature control board is activated,
when Wz is larger than Q, the central control module judges that the external environment temperature is too low, the central control module controls the temperature control board to start a heating function, the preset starting temperature Vy of the temperature control board is a heating temperature, Vy = (Wz-Q). times.v 1+ Wz, wherein v1 is a temperature difference heating temperature adjusting parameter for the temperature control board;
when Wz is less than Q, the central control module judges that the external environment temperature is too high, the central control module controls the temperature control board to start a refrigeration function, the preset starting temperature Vy of the temperature control board is the refrigeration temperature, Vy = Wz- (Wz-Q) x v2, wherein v2 is a temperature difference parameter for adjusting the refrigeration temperature of the temperature control board.
4. The liquid delivery temperature control device according to claim 3, wherein the length L of the delivery pipe is inputted into the central control module, the central control module is provided with a standard delivery pipe length Lz of the delivery pipe, the central control module calculates the length L of the delivery pipe to compare with the standard delivery pipe length Lz,
when L is less than or equal to Lz, the central control module judges that the length of the conveying pipeline is within the length range of the standard conveying pipeline, and the central control module does not adjust the temperature of the temperature control plate according to the length of the conveying pipeline;
and when L is larger than Lz, the central control module judges that the length of the conveying pipeline is not within the length range of the standard conveying pipeline, and adjusts the temperature of the temperature control plate according to the length of the conveying pipeline.
5. The liquid delivery temperature control device of claim 4, wherein when the temperature control plate is temperature regulated by delivery conduit length and Wz > Q, the central control module regulates the start temperature to Vy ', Vy' = Vy + (L-Lz) x d1, where d1 is a delivery conduit length to temperature control plate first regulation parameter;
when the temperature of the temperature control plate is adjusted according to the length of the conveying pipeline and Wz is less than Q, the central control module adjusts the starting temperature to Vy ', Vy' = Vy- (L-Lz). times.d 2, wherein d2 is a second adjusting parameter of the length of the conveying pipeline to the temperature control plate.
6. The liquid delivery temperature control device of claim 5, wherein the central control module further comprises a thermal control board maximum temperature parameter V1 and a thermal control board minimum temperature parameter V2, and the central control module compares the preset activation temperature Vy' with the thermal control board maximum temperature parameter V1 and the thermal control board minimum temperature parameter V2:
when Vy 'is less than or equal to V2, the central control module judges that the preset starting temperature Vy' is too low, and the central control module judges that the lowest temperature parameter V2 of the temperature control plate is the starting temperature V of the temperature control plate;
when V2 is more than Vy ' and less than or equal to V1, the central control module judges that the preset starting temperature Vy ' is in a reasonable range, and the central control module judges that the preset starting temperature Vy ' is the starting temperature V of the temperature control board;
and when Vy 'is more than V1, the central control module judges that the preset starting temperature Vy' is too high, and the central control module judges that the temperature control board highest temperature parameter V1 is the temperature control board starting temperature V.
7. The liquid conveying temperature control device according to claim 6, wherein when the temperature control board starting temperature is V2, the central control module determines that the temperature of the liquid during the liquid output is higher than the optimal liquid output temperature, and the central control module controls the temperature controller to start to cool the liquid in the conveying pipeline;
when the starting temperature of the temperature control plate is V1, the central control module judges that the temperature is lower than the optimal output temperature of the liquid when the liquid is output, and the central control module controls the temperature controller to start to heat the liquid in the conveying pipeline.
8. The liquid delivery thermostat of claim 7 wherein the head end thermometer is activated when the thermostat board activation temperature is V2, senses the temperature of the liquid as it enters the delivery conduit E1 and communicates the sensing result to the central control module, which calculates the thermostat activation temperature F from Ep1, F = Wz-Ep1 × E1 by the difference between E1 and the liquid output standard temperature value Wz Ep1, Ep1= E1-Wz, wherein E1 is the temperature E1 versus thermostat activation temperature adjustment parameter;
when the starting temperature of the temperature control plate is V1, the head end thermometer is started, the temperature E2 when liquid enters the conveying pipeline is detected, the detection result is transmitted to the central control module, the central control module calculates the difference Ep2 between E2 and a liquid output standard temperature value Wz, Ep2= Wz-E2, the central control module calculates the starting temperature F of the temperature controller according to Ep2, F = Wz + Ep2 × E2, and E2 is a parameter for adjusting the starting temperature of the temperature controller by the temperature E2.
9. The liquid delivery temperature control device according to claim 8, wherein the temperature controller is a water circulation temperature control system, and the temperature controller comprises a circulation chamber, a water temperature controller, an inflow pipe, an outflow pipe, a piston and a pressure spring, wherein the circulation chamber is sleeved on the delivery pipe, circulating water flows out of the water temperature controller, enters the circulation chamber through the inflow pipe, and flows back to the water temperature controller through the outflow pipe, the outflow pipe is connected with the piston, when the temperature controller works, the flow rate of the inflow pipe changes with the temperature of the temperature controller, when the flow rate is high, the pressure spring contracts under the impact force of water flow, and the volume of the circulation chamber increases; when the flow rate is low, the pressure spring is externally released, and the volume of the circulation cavity is reduced;
when the starting temperature of the temperature control plate is V2, the central control module controls the water flow rate of the inflow pipeline to be P, P = Pb + Ep1 × P1, Pb is the basic water flow rate of the input pipeline, and P1 is a water flow rate adjusting parameter of the temperature difference Ep 1;
when the starting temperature of the temperature control plate is V1, the central control module controls the water flow rate of the inflow pipeline to be P, P = Pb + Ep2 × P2, and P2 is a temperature difference Ep2 to water flow rate adjusting parameter.
10. The fluid delivery temperature control apparatus of claim 9, wherein the end thermometer detects the temperature of the fluid after the fluid has flowed through the temperature controller and transmits the detection result to the central control module, the central control module calculates a difference Hp between the temperature H and a standard temperature value Wz of the fluid output, Hp = | -H-Wz |, and the central control module compares Hp with a standard value Wpz of the temperature difference:
when Hp is less than or equal to Wpz, the central control module judges that the temperature of the liquid is the optimal temperature at the moment, the central control module controls the stop valve to be opened, and the liquid flows out at the optimal temperature;
when Hp is larger than Wpz, the central control module controls the stop valve to close, liquid flows back from the return pipe, the return bin is internally provided with a temperature control device which adjusts the temperature of the liquid, and the return bin returns the adjusted liquid to the conveying pipeline;
the end thermometer detects the temperature H 'of the liquid flowing out of the return bin and passing through the end, the central control module calculates the difference Hp', Hp '= | H' -Wz | between the temperature H 'and the liquid output standard temperature value Wz, and the central control module compares the Hp' with the standard value Wpz of the temperature difference:
when Hp' is less than or equal to Wpz, the central control module judges that the temperature of the liquid is the optimal temperature at the moment, the central control module controls the stop valve to be opened, and the liquid flows out at the optimal temperature;
when Hp' > Wpz, the central control module determines that the current environment is not suitable for liquid outflow and keeps the check valve closed.
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