WO2022224690A1 - 温調装置 - Google Patents
温調装置 Download PDFInfo
- Publication number
- WO2022224690A1 WO2022224690A1 PCT/JP2022/013820 JP2022013820W WO2022224690A1 WO 2022224690 A1 WO2022224690 A1 WO 2022224690A1 JP 2022013820 W JP2022013820 W JP 2022013820W WO 2022224690 A1 WO2022224690 A1 WO 2022224690A1
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- Prior art keywords
- temperature
- unit
- target
- load
- circulating fluid
- Prior art date
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- 238000001816 cooling Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000007788 liquid Substances 0.000 claims description 29
- 230000001276 controlling effect Effects 0.000 description 10
- 230000002123 temporal effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
- G05D23/1904—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value variable in time
Definitions
- the present invention relates to a temperature control device for adjusting the temperature of a load to a target temperature by supplying temperature-controlled circulating fluid to the load.
- a temperature control device that adjusts the temperature of a load to a predetermined target temperature by supplying temperature-controlled circulating fluid to the load is already widely known, as disclosed in Patent Document 1, for example.
- a conventional temperature control device of this type usually includes a circulating fluid circuit that circulates the circulating fluid between the load and a temperature controller that controls the temperature of the circulating fluid in order to adjust the temperature of the load to the target temperature.
- the temperature control unit controls the temperature of the circulating fluid so that the temperature of the load can be adjusted to the target temperature as soon as possible. It is not possible to gradually change the temperature of the liquid) to the target temperature while adjusting the temperature. Therefore, in order to realize such temperature control of the load, for example, while resetting the set temperature of the temperature control device in a plurality of times at predetermined time intervals, the temperature of the load is gradually adjusted to the final target temperature. It was not possible to avoid complicating the temperature control work, such as changing the temperature.
- a technical object of the present invention is to provide a temperature control device capable of gradually changing the temperature of the load to the target temperature while adjusting the temperature even during the temperature control of the load to the target temperature. be.
- a temperature control device for adjusting a temperature of a load to a target temperature, wherein the temperature control device adjusts the temperature of the load after heat exchange with the load.
- a circulating fluid circuit for circulatingly sending the circulating fluid returned from a and a control unit for controlling outputs of the unit and the cooling unit, the control unit including a measurement input unit to which a measured temperature of the load is input, the target temperature as a target set temperature, and a temperature control unit.
- a setting input unit for inputting a target reaching time to the target set temperature from the start, an initial set temperature at the start of the temperature control, and the target set temperature and the target reaching time input from the setting input unit.
- the heating unit and the cooling unit so that the measured temperature of the load changes in accordance with the target temperature gradient determined by the computing unit.
- a control output section for controlling the output of the.
- a temperature control device for adjusting the temperature of a load to a target temperature, the temperature control device exchanging heat with the load.
- a circulating fluid circuit that circulates the circulating fluid that is later returned from the load to the load; and a heating unit and a cooling unit that are provided in the circulating fluid circuit and heat and cool the circulating fluid in the circulating fluid circuit.
- a control unit for controlling outputs of the heating unit and the cooling unit, and the control unit receives the measured temperature of the circulating fluid after heating and cooling or the circulating fluid before heating and cooling.
- an input unit a setting input unit for inputting a target set temperature of the circulating fluid corresponding to the target temperature and a target reaching time to the target set temperature from the start of temperature control, and an initial setting at the start of temperature control.
- a calculation unit for calculating a target temperature gradient until reaching the target setting temperature based on the temperature and the target setting temperature and the target reaching time input from the setting input unit; and the target calculated by the calculation unit and a control output unit for controlling the output of the heating unit and the cooling unit so that the measured temperature of the circulating fluid changes following the temperature gradient.
- the circulating fluid circuit includes a return passage for receiving circulating fluid returned from the load, and a circulating fluid temperature-controlled by the heating unit and the cooling unit to the load. a discharge channel for delivering the liquid to the discharge channel, a tank portion to which the return channel and the discharge channel are connected to store the circulating liquid, and a circulation pump for delivering the circulating liquid in the tank portion to the discharge channel.
- the cooling unit includes a facility water circuit in which facility water flows, and a heat exchanger for exchanging heat between the facility water flowing in the facility water circuit and the circulating fluid flowing in the circulating fluid circuit.
- the heating unit has a heater
- the facility water circuit has a flow rate control valve for adjusting the flow rate of the facility water flowing through the facility water circuit
- the control output unit comprises the heater and controlling the flow rate control valve to control the heating section and the cooling section.
- the calculation unit calculates the set temperature over time of the load from the target temperature gradient for each of a plurality of timings within the target reaching time, and calculates the set temperature over time and the measured input. may be compared with the measured temperature of the load input from the unit, and the control output unit may control the output of the heating unit and the cooling unit based on the comparison result between the set temperature over time and the measured temperature. good.
- the calculation unit calculates the set temperature over time of the circulating fluid from the target temperature gradient for each of a plurality of timings within the target reaching time, and calculates the set temperature over time and the measurement input unit. The input measured temperature of the circulating fluid may be compared, and the control output unit may control the output of the heating unit and the cooling unit based on the comparison result between the set temperature over time and the measured temperature. .
- a temperature control device capable of gradually changing the temperature of the load to the target temperature while adjusting the temperature even in the process of adjusting the temperature of the load to the target temperature.
- FIG. 1 is a schematic circuit diagram of a temperature control device according to one embodiment of the present invention
- FIG. FIG. 2 is a block diagram showing a control unit in FIG. 1
- FIG. FIG. 2 is a flowchart of control executed by a control unit in FIG. 1
- FIG. FIG. 2 is a graph showing an example of temporal changes in the set temperature over time until reaching the target time in the temperature control device of FIG. 1;
- This temperature control device 1 is particularly suitable for gradually changing the temperature of an object to be temperature controlled (load W such as a raw material liquid of beer) to a target temperature while adjusting the temperature (that is, controlling the temperature). is.
- load W such as a raw material liquid of beer
- the temperature control device 1 has a housing 10 that covers the outside of the device 1. Inside the housing 10, heat is returned from the load W after heat exchange with the load W. a circulating fluid circuit 2 for receiving the circulating fluid received and circulatingly sending the received circulating fluid again to the load W; It has a heating unit 3 and a cooling unit 4 for cooling, and a control unit 5 for controlling the outputs of the heating unit 3 and the cooling unit 4 .
- the circulating fluid circuit 2 includes a return passage 20 for receiving the circulating fluid returned from the load W after heat exchange with the load W, and a circulating fluid temperature-controlled by the heating unit 3 and the cooling unit 4.
- a discharge channel 21 for sending out to W a tank portion 22 disposed between the return channel 20 and the discharge channel 21 for storing the circulating liquid, and a circulation liquid stored in the tank portion 22. and a circulation pump 25 for sending the liquid to the discharge flow path 21 .
- the tank part 22 has a main tank 23 to which the return flow path 20 and the discharge flow path 21 are connected, and a sub-tank 24 connected to the upper part of the main tank 23 through a communication port 24a.
- a communication port 24a In the main tank 23, an inlet 23a for supplying the circulating liquid to the tank portion 22 and the amount of the circulating liquid stored in the main tank 23 are visually confirmed from the outside of the housing 10. It has a level gauge 23b capable of
- the heating unit 3 Inside the main tank 23, the heating unit 3, the circulation pump 25, and a level switch 23c for detecting the liquid level of the circulating liquid stored in the tank 23 are provided.
- the circulation pump an immersion type inverter pump is preferably used.
- the heating unit 3 has a heater 31 and a thermal fuse 32 electrically connected to the control unit 5, and these heater and thermal fuse are electrically connected to the control unit 5. .
- the thermal fuse 32 makes it possible, for example, to turn off the power of the temperature control device 1 when the temperature of the air in the main tank 23 exceeds a predetermined temperature. It's like One end of a drain pipe 14 is connected to the bottom of the tank portion 22, and the other end of the drain pipe 14 is provided with a drain port 15 that can be opened and closed. As a result, the circulating fluid in the tank 22 can be discharged to the outside when cleaning the tank 22 or the like.
- an immersion type internal pump 26 for pumping up the circulating liquid stored therein to the main tank 23 is provided.
- An inverter type pump is preferably used as the internal pump 26 , and the internal pump 26 is electrically connected to the control section 5 . In this way, the circulating fluid exceeding the maximum capacity of the main tank 23 can be discharged and stored in the sub-tank 24 through the communication hole 24a. is detected, the internal pump 26 can pump up the circulating liquid in the sub-tank 24 to replenish the main tank 23 .
- the return flow path 20 has a circulating fluid return port 20a opened in the housing 10 at one end, and the other end is connected to the main tank 23. Further, the return flow path 20 has an intermediate flow path between the one end and the other end. has a first heat exchange flow path 20b for exchanging heat between the circulating fluid flowing therein and the cooling section 4. As shown in FIG. Therefore, the circulating fluid received from the return port 20a can be returned to the main tank 23 after being cooled by the cooling unit 4 in the first heat exchange flow path 20b.
- the return channel 20 is provided with a first temperature sensor 20c for detecting the temperature of the circulating fluid received from the return port 20a between the circulating fluid return port 20a and the first heat exchange channel 20b.
- a second temperature sensor 20d is provided between the first heat exchange passage 20b and the main tank 23 to detect the temperature of the circulating fluid cooled by the cooling section. Both the first temperature sensor 20 c and the second temperature sensor 20 d are electrically connected to the control section 5 .
- the first temperature sensor 20c is used to control the outputs of the heating section 3 and the cooling section 4 based on the target set temperature Ta preset by the user in the control section 5, as will be described later. be able to.
- both sensors 20c and 20d for example, detect an abnormality in the temperature of the circulating fluid and stop the temperature control device 1, or detect a difference in the temperature of the circulating fluid detected by both sensors 20c and 20d. , to control the output of the cooling unit 4, and the like.
- the discharge passage 21 has one end with a circulating fluid discharge port 21 a opened in the housing 10 and the other end is connected to the circulation pump 25 . Therefore, the circulating fluid heated and cooled by the cooling part 4 of the return flow path 20 and the heating part 3 (heater 31) of the main tank 23 can be supplied to the circulating fluid discharge port 21a through the discharge flow path 21. It is possible.
- the discharge passage 21 is provided with a check valve 21b that prevents the circulating fluid from flowing back from the circulating fluid discharge port 21a side to the circulating pump 25 side.
- a pressure sensor 21c, a third temperature sensor 21d, and a flowmeter sensor 21e are provided in this order from the upstream side. These sensors 21 c , 21 d and 21 e are also electrically connected to the control section 5 .
- the pressure sensor 21c and the flow meter sensor 21e can, for example, control the rotation speed of the circulation pump 25 or control the pressure and flow rate of the circulating fluid according to the pressure and flow rate of the circulating fluid detected by them. can be detected and the temperature control device 1 can be stopped.
- the third temperature sensor 21d is used to control the outputs of the heating section 3 and the cooling section 4 based on a target set temperature Ta preset by the user in the control section 5. can be done.
- the third temperature sensor 21d for example, detects an abnormality in the temperature of the circulating fluid to stop the temperature control device 1, or detects the temperature of the circulating fluid detected by the first temperature sensor 20c or the second temperature sensor 20d. It can also be used to control the output of the heating section 3 and the cooling section 4 based on the difference between the temperatures of the heating section 3 and the cooling section 4.
- the cooling unit 4 includes a facility water circuit 40 through which facility water flows, and a heat exchanger that exchanges heat between the facility water flowing through the facility water circuit 40 and the circulating liquid flowing through the return flow path 20. 41.
- the facility water circuit 40 is connected to a second heat exchange flow path 42 provided in the heat exchanger 41 and one end of the second heat exchange flow path 42 to supply the facility water to the It is connected to the other end of the heat exchanger 41 and the second heat exchange flow path 42, and the heat exchanger 41 heats the heat exchanger 41 with the circulating fluid. and a facility water discharge path 44 for discharging from the heat exchanger 41 .
- the facility water circuit 40 has a flow rate control valve 45 for adjusting the flow rate of the facility water supplied to the second heat exchange passage 42 .
- the flow control valve 45 is electrically connected to the control unit 5, and by controlling the flow control valve 45 with the control unit 5, the facility water is supplied to the second heat exchange flow path 42. , that is, the output of the cooling unit 4 can be controlled.
- one end of the radiating water introduction path 43 is connected to the upstream end of the second heat exchange flow path 42, and the other end is connected to a radiating water supply port opened in the housing 10. 43a.
- the facility water introduction path 43 has the flow rate control valve 45 between the supply port 43 a and the second heat exchange flow path 42 .
- one end of the radiating water discharge path 44 is connected to the outlet side end of the second heat exchange flow path 42, and the other end has a radiating water discharge port 44a opened in the housing 10. is doing.
- the flow control valve 45 for example, a proportional valve or a solenoid valve can be used. By controlling the opening/closing time ratio of , the flow rate of the radiating water supplied to the second heat exchanger 42 , that is, the output of the cooling section 4 can be controlled.
- a bypass path 46 connects the facility water discharge path 44 to the facility water supply port 43a side of the flow rate control valve 45 in the facility water introduction path 43. It is A sluice valve 46a is provided in the bypass 46, and the sluice valve 46a can be closed or opened as required. For example, when discharging the facility water heated in the second heat exchange flow path 42 after lowering its temperature, or when suppressing the water hammer phenomenon in the flow control valve 45, the gate valve 46a is opened. can be kept
- a drain pan 11 for receiving leaked circulating fluid and facility water is arranged at the bottom of the housing 10 .
- the drain pan 11 is provided with a float-type water leakage sensor 12 electrically connected to the control unit 5, and an openable and closable drain port 13 for discharging liquid accumulated in the drain pan 11 to the outside. .
- the controller 5 can notify or turn off the power of the device 1.
- the control unit 5 includes a measurement input unit 50 to which the results of detection and detection by various sensors including the temperature sensors are input, and various temperature sensors including the target set temperature Ta described later.
- a setting input section 51 to which set values are input a calculation section 52 for performing predetermined calculations based on various data input from the measurement input section 50 and the setting input section 51, and calculation results of the calculation section 52.
- a control output unit 53 for outputting control signals to various controlled devices including the heater 31 of the heating unit 3 and the flow control valve 45 of the cooling unit 4 based on the above.
- the temperature control device 1 is used to adjust a liquid load (liquid such as a raw material liquid of beer in the tank 60) W to a target temperature.
- a liquid load liquid such as a raw material liquid of beer in the tank 60
- FIG. 4 the load W is adjusted to the target temperature based on the temperature of the load W measured by the load temperature sensor 64, and the temperature of the circulating fluid measured by the first temperature sensor 20c or the third temperature sensor 21d.
- the temperature of the load W is adjusted to the target temperature based on.
- the temperature of the load W substantially follows the regulated temperature of the circulating fluid.
- FIG. 4 the case where the load W is adjusted to a target temperature higher than the current temperature will be described as an example.
- the desired target temperature of the load W is set as the target set temperature Ta, and the desired arrival time to the target set temperature Ta is set as the target arrival time td.
- An initial set temperature T0 which is the set temperature at time ts, is input to the setting input section 51 of the control section 5 (S1). However, as the initial set temperature T0, the one that has been set before may be used so that the input here can be omitted.
- the calculation unit 52 of the control unit 5 calculates a target temperature change from the start of temperature control until the target reaching time td elapses.
- a gradient (target temperature gradient Sa) is calculated (S2).
- the time interval ⁇ t may be input from the setting input unit 51 in S1.
- the time interval ⁇ t does not necessarily have to be constant, and can be set in advance so as to vary according to the elapsed time. That is, the calculation unit 5 calculates the temporal set temperature Tn of the load W from the target temperature gradient Sa at each of a plurality of predetermined timings (elapsed time) within the target arrival time td.
- the measured temperature (measured temperature over time) Tm of the load W at the current elapsed time ( ⁇ t ⁇ n) is input to the measurement input unit 50 of the control unit 5 ( S4). Then, the calculation unit 5 compares the set temperature Tn over time with the measured temperature Tm over time (S5), and transmits the comparison result to the control output unit 53 of the control unit 5.
- the control output unit 53 determines that the output of the heating unit 3 defined by the output of the heater 31 is equal to the flow rate. Control is performed so that the output of the cooling unit 4 is greater than the output of the cooling unit 4 defined by the flow rate of the radiating water by the control valve 45 (S6).
- the output of the cooling unit 4 is controlled to be higher than the output of the heating unit 3 (S7).
- the output difference between the heating unit 3 and the cooling unit 4 in S6 and S7 can be determined, for example, based on the temperature difference between the set temperature Tn over time and the measured temperature Tm over time.
- the steps S3 to S7 are repeated until the elapsed time ( ⁇ t ⁇ n) from the temperature control start time ts reaches the target reaching time td (S8). Then, when the elapsed time ( ⁇ t ⁇ n) reaches the target reaching time td, the temperature control based on the target temperature gradient Sa is terminated, and after the control is terminated, the temperature of the load W is set to the target value.
- the temperature Ta is maintained (S9).
- the temperature of the load can be varied up to the target set temperature Ta while following the target temperature gradient Sa.
- the load W may be continuously temperature controlled.
- the temperature of the load W substantially follows the regulated temperature of the circulating fluid. Therefore, in this case also, it is possible to adjust the load W to the target temperature based on the flowchart of FIG. is. Therefore, here, the parts different from the above-described case of using the load temperature sensor 64 will be mainly described, and the common description will be omitted.
- step S1 the temperature of the circulating fluid corresponding to the desired target temperature of the load W is input to the setting input unit 51 as the target setting temperature Ta, and at the same time, the initial setting temperature T0 and the target reaching time are input. td is input to the setting input unit 51 .
- the initial setting temperature T0 as described above, the temperature that has been set before may continue to be used.
- the target temperature gradient Sa is calculated based on the initial set temperature T0, the target set temperature Ta, and the target reaching time td.
- step S3 when the temperature control of the circulating fluid to the target set temperature Ta is started, the initially set temperature T0, the target temperature gradient Sa, and the temperature control start time ts are determined at predetermined time intervals ⁇ t.
- the elapsed set temperature Tn is calculated based on the elapsed time ( ⁇ t ⁇ n) from .
- step S4 the first temperature sensor 20c or the third temperature sensor 21d of the circulating fluid circuit 2 supplies the measurement input unit 50 with the time-lapse measurement of the circulating fluid at the current elapsed time ( ⁇ t ⁇ n).
- a temperature Tm is entered.
- step S5 the set temperature over time Tn and the measured temperature over time Tm are compared.
- step S6 both are adjusted so that the output of the heating unit 3 is greater than the output of the cooling unit 4. Control.
- the output of the cooling unit 4 is controlled to be higher than the output of the heating unit 3 in step S7.
- the output difference between the heating unit 3 and the cooling unit 4 in S6 and S7 is, for example, the temperature difference between the set temperature Tn and the measured temperature Tm over time, as well as the temperature measured by the first temperature sensor 20c and the temperature measured by the first temperature sensor 20c. It can also be determined based on the difference from the temperature measured by the three-temperature sensor 21d.
- step S8 when the steps S3 to S7 are repeated until the elapsed time ( ⁇ t ⁇ n) from the temperature control start time ts reaches the target arrival time td, the temperature control is terminated in step S9, After the end of the control, the control shifts to the control for maintaining the temperature of the circulating fluid at the target set temperature Ta.
- the temperature control device 1 in adjusting the temperature of the load W to the target temperature desired by the user, the temperature of the load is gradually changed to the target temperature while controlling the temperature in the process. can be done.
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Abstract
Description
図3のフローチャートを用いて説明すると、まず、負荷Wの所望の目標温度を目標設定温度Taとして、また、目標設定温度Taまでの所望の到達時間を目標到達時間tdとして、さらに、温調開始時tsにおける設定温度であるところの初期設定温度T0を、前記制御部5の設定入力部51に入力する(S1)。ただし、前記初期設定温度T0としては、従前から設定されていたものを利用し、ここでの入力を省略できるようにしても良い。すると、前記制御部5の演算部52で、前記初期設定温度T0、前記目標設定温度Ta及び目標到達時間tdに基づいて、温調開始時から目標到達時間tdが経過するまでの温度変化の目標勾配(目標温度勾配Sa)が算出される(S2)。
上述のように、負荷Wの温度は、調節された循環液の温度に実質的に追従することから、この場合にも、図3のフローチャートに基づいて負荷Wを目標温度に調節することが可能である。そこで、ここでは、上述した負荷温度センサ64を用いる場合とは異なる部分について主に説明し、共通する説明については省略することとする。
2 循環液回路
20 戻り流路
20b 第1熱交換流路
20c 第1温度センサ
20d 第2温度センサ
21 吐出流路
21d 第3温度センサ
22 タンク部
23 メインタンク
25 循環ポンプ
3 加熱部
31 ヒータ
4 冷却部
40 放熱水回路
41 熱交換器
42 第2熱交換流路
43 放熱水導入路
44 放熱水排出路
45 流量制御弁
5 制御部
50 測定入力部
51 設定入力部
52 演算部
53 制御出力部
64 負荷温度センサ
W 負荷
Ta 目標設定温度
td 目標到達時間
ts 温調開始時
T0 初期設定温度
Δt 測定時間間隔
Sa 目標温度勾配
Tn 経時設定温度
Tm 経時測定温度
Claims (6)
- 負荷の温度を目標温度に調節するための温調装置であって、
前記温調装置は、負荷との熱交換後に該負荷から戻された循環液を該負荷に対して循環的に送り出す循環液回路と、前記循環液回路に設けられ、該循環液回路中の循環液を加熱冷却する加熱部及び冷却部と、前記加熱部及び冷却部の出力を制御する制御部と、を有しており、
上記制御部は、負荷の測定温度が入力される測定入力部と、目標設定温度としての前記目標温度、及び、温調開始時からの該目標設定温度への目標到達時間を入力する設定入力部と、前記温調開始時における初期設定温度、並びに、前記設定入力部から入力された前記目標設定温度及び目標到達時間に基づいて、その目標設定温度に達するまでの目標温度勾配を求める演算部と、前記演算部で求められた目標温度勾配に追従して前記負荷の測定温度が変化するように前記加熱部及び冷却部の出力を制御する制御出力部とを有している、
ことを特徴とする温調装置。 - 負荷の温度を目標温度に調節するための温調装置であって、
前記温調装置は、負荷との熱交換後に該負荷から戻された循環液を該負荷に対して循環的に送り出す循環液回路と、前記循環液回路に設けられ、該循環液回路中の循環液を加熱冷却する加熱部及び冷却部と、前記加熱部及び冷却部の出力を制御する制御部と、を有しており、
上記制御部は、前記加熱冷却後の循環液又は前記加熱冷却前の循環液の測定温度が入力される測定入力部と、前記目標温度に対応する循環液の目標設定温度、及び、温調開始時からの該目標設定温度への目標到達時間を入力する設定入力部と、前記温調開始時における初期設定温度、並びに、前記設定入力部から入力された前記目標設定温度及び目標到達時間に基づいて、その目標設定温度に達するまでの目標温度勾配を算出する演算部と、前記演算部で求められた目標温度勾配に追従して前記循環液の測定温度が変化するように前記加熱部及び冷却部の出力を制御する制御出力部とを有している、
ことを特徴とする温調装置。 - 前記循環液回路は、前記負荷から戻された循環液を受け入れる戻り流路と、前記加熱部及び冷却部により温度調節された循環液を前記負荷に対して送り出す吐出流路と、これら戻り流路及び吐出流路が接続されて前記循環液を貯留するタンク部と、前記タンク部内の循環液を前記吐出流路に送り出す循環ポンプとを有している。
ことを特徴とする請求項1又は2に記載の温調装置。 - 前記冷却部が、放熱水が流れる放熱水回路と、該放熱水回路を流れる放熱水と前記循環液回路を流れる循環液との間で熱交換させる熱交換器とを有しており、
前記加熱部がヒータを有しており、
前記放熱水回路が、該放熱水回路を流れる放熱水の流量を調節する流量制御弁を有しており、
前記制御出力部が、前記ヒータ及び前記流量制御弁を制御することにより前記加熱部及び前記冷却部の出力を制御する、
ことを特徴とする請求項1又は2に記載の温調装置。 - 前記演算部が、前記目標到達時間内における複数のタイミングの各々について、前記目標温度勾配から負荷の経時設定温度を算出すると共に、該経時設定温度と前記測定入力部から入力された負荷の測定温度とを比較し、
前記制御出力部が、前記経時設定温度と測定温度との比較結果に基づいて、前記加熱部及び冷却部の出力を制御する、
ことを特徴とする請求項1に記載の温調装置。 - 前記演算部が、前記目標到達時間内における複数のタイミングの各々について、前記目標温度勾配から循環液の経時設定温度を算出すると共に、該経時設定温度と前記測定入力部から入力された循環液の測定温度とを比較し、
前記制御出力部が、前記経時設定温度と測定温度との比較結果に基づいて、前記加熱部及び冷却部の出力を制御する、
ことを特徴とする請求項2に記載の温調装置。
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CN202280029424.3A CN117178152A (zh) | 2021-04-21 | 2022-03-24 | 调温装置 |
AU2022259887A AU2022259887A1 (en) | 2021-04-21 | 2022-03-24 | Temperature adjustment device |
MX2023012464A MX2023012464A (es) | 2021-04-21 | 2022-03-24 | Dispositivo de ajuste de temperatura. |
US18/555,298 US20240192711A1 (en) | 2021-04-21 | 2022-03-24 | Temperature adjustment device |
BR112023021724A BR112023021724A2 (pt) | 2021-04-21 | 2022-03-24 | Dispositivo de ajuste de temperatura |
EP22791467.8A EP4307074A1 (en) | 2021-04-21 | 2022-03-24 | Temperature adjustment device |
CA3215610A CA3215610A1 (en) | 2021-04-21 | 2022-03-24 | Temperature adjustment device |
KR1020237035450A KR20230173666A (ko) | 2021-04-21 | 2022-03-24 | 온도 조절 장치 |
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JP2691001B2 (ja) * | 1989-03-02 | 1997-12-17 | タバイエスペック株式会社 | 温湿度制御におけるヒータ出力適正化方法 |
JP2816054B2 (ja) * | 1992-06-25 | 1998-10-27 | 三洋電機株式会社 | 恒温庫の温度制御装置 |
JPH11294927A (ja) * | 1998-04-09 | 1999-10-29 | Ckd Corp | 液体温度制御装置、液体温度制御方法、加工システム、研削加工システム |
JP2007101006A (ja) | 2005-09-30 | 2007-04-19 | Smc Corp | 恒温液循環装置及び該装置における温度制御方法 |
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2021
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2022
- 2022-03-24 MX MX2023012464A patent/MX2023012464A/es unknown
- 2022-03-24 CA CA3215610A patent/CA3215610A1/en active Pending
- 2022-03-24 CN CN202280029424.3A patent/CN117178152A/zh active Pending
- 2022-03-24 AU AU2022259887A patent/AU2022259887A1/en active Pending
- 2022-03-24 KR KR1020237035450A patent/KR20230173666A/ko unknown
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- 2022-03-24 BR BR112023021724A patent/BR112023021724A2/pt unknown
- 2022-03-24 WO PCT/JP2022/013820 patent/WO2022224690A1/ja active Application Filing
- 2022-03-24 EP EP22791467.8A patent/EP4307074A1/en active Pending
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JP2691001B2 (ja) * | 1989-03-02 | 1997-12-17 | タバイエスペック株式会社 | 温湿度制御におけるヒータ出力適正化方法 |
JP2816054B2 (ja) * | 1992-06-25 | 1998-10-27 | 三洋電機株式会社 | 恒温庫の温度制御装置 |
JPH11294927A (ja) * | 1998-04-09 | 1999-10-29 | Ckd Corp | 液体温度制御装置、液体温度制御方法、加工システム、研削加工システム |
JP2007101006A (ja) | 2005-09-30 | 2007-04-19 | Smc Corp | 恒温液循環装置及び該装置における温度制御方法 |
JP2008292026A (ja) * | 2007-05-23 | 2008-12-04 | Ats Japan Corp | 恒温維持装置。 |
JP2019191841A (ja) * | 2018-04-24 | 2019-10-31 | サンデン・リテールシステム株式会社 | 温冷庫の温度制御装置 |
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JP2022166632A (ja) | 2022-11-02 |
BR112023021724A2 (pt) | 2023-12-19 |
KR20230173666A (ko) | 2023-12-27 |
EP4307074A1 (en) | 2024-01-17 |
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