CN113405307B - Circulating liquid separation control method and device - Google Patents
Circulating liquid separation control method and device Download PDFInfo
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- CN113405307B CN113405307B CN202010182242.2A CN202010182242A CN113405307B CN 113405307 B CN113405307 B CN 113405307B CN 202010182242 A CN202010182242 A CN 202010182242A CN 113405307 B CN113405307 B CN 113405307B
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- 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
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- 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
- F25D29/00—Arrangement or mounting of control or safety devices
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- 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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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Abstract
The invention belongs to the technical field of industrial circulating cooling, and particularly relates to a circulating liquid separation control method and device. The circulating liquid separating control method comprises the following steps: receiving a starting signal of equipment to be cooled, and controlling the liquid supply unit to be started; controlling the liquid outlet liquid separation block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch comprising opened equipment to be cooled; receiving a closing signal of the opened equipment to be cooled; determining a residual heat value of circulating liquid flowing out of the equipment to be cooled, which sends a closing signal, according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value; when the residual heat value of the circulating liquid flowing out of the equipment to be cooled sending the closing signal is smaller than the preset residual heat value, the liquid outlet liquid dividing block controls the liquid supply unit to stop outputting the circulating liquid to the equipment to be cooled sending the closing signal. The invention can realize that the liquid supply unit provides circulating liquid for a plurality of external devices, and improves the utilization rate of the liquid supply unit.
Description
Technical Field
The invention belongs to the technical field of industrial circulating cooling, and particularly relates to a circulating liquid separation control method and device.
Background
At present, in the process of providing circulating liquid (i.e. cooling liquid that can be recycled) to a device to be cooled, usually, one device to be cooled is butted with one liquid supply unit or each device to be cooled is directly butted with different liquid inlet and outlet ports of the liquid supply unit, and a monitoring box needs to be connected in series between the liquid supply unit and the device to be cooled to detect parameters (pressure, flow and the like) of the circulating liquid, so as to avoid damage to the device to be cooled caused by abnormality of the pressure, flow and the like of the circulating liquid. The disadvantages of the scheme are that: when a plurality of devices to be cooled need to be cooled by the provided circulating liquid, a plurality of monitoring boxes need to be connected externally at the moment, even a plurality of liquid supply units need to be arranged, and therefore the equipment cost is high. In addition, when the equipment to be cooled is abnormal, one equipment to be cooled and the liquid supply unit need to be closed, and the equipment to be cooled and the liquid supply unit cannot be closed simultaneously, so that safety risks are easily caused in emergency; and the condition that the heat productivity of the equipment to be cooled is increased due to aging cannot be found in time, so that great energy loss is caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problems of high cost, safety risk and the like when the conventional liquid supply unit cools equipment to be cooled are solved.
In order to solve the above problem, an embodiment of the present invention provides a circulating liquid separation control method, including the following steps:
receiving a starting signal of the equipment to be cooled, controlling the liquid supply unit to be started, and detecting whether the number of the currently started equipment to be cooled is more than or equal to two;
when the number of the currently opened devices to be cooled is larger than or equal to two, controlling a liquid outlet liquid distribution block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch of the opened devices to be cooled; each circulation branch comprises a liquid return sensor and one device to be cooled;
receiving a closing signal of the started equipment to be cooled, acquiring a liquid outlet temperature value of circulating liquid output from a liquid outlet of the liquid supply unit, which is measured by a liquid outlet sensor, and acquiring a liquid return temperature value and a liquid return flow value of the circulating liquid flowing out of the equipment to be cooled, which are measured by a liquid return sensor in the circulating branch to which the equipment to be cooled, which sends the closing signal, at the same time;
determining a residual heat value of the circulating liquid flowing out of the equipment to be cooled, which sends a closing signal, according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value;
and when the residual heat value of the circulating liquid flowing out of the equipment to be cooled sending the closing signal is smaller than a preset residual heat value, controlling the liquid supply unit to stop outputting the circulating liquid to the circulating branch to which the equipment to be cooled sending the closing signal belongs through the liquid outlet liquid dividing block.
Optionally, after detecting whether the number of currently turned on devices to be cooled is greater than or equal to two, the method further includes:
when the number of the currently started equipment to be cooled is one, controlling the liquid outlet liquid separation block to output the circulating liquid flowing out of the liquid outlet of the liquid supply unit to the started circulating branch of the equipment to be cooled.
Optionally, the controlling the liquid outlet and liquid distribution block to distribute the circulating liquid flowing out from the liquid outlet of the liquid supply unit to each opened circulating branch of the device to be cooled includes:
monitoring whether an emergency stop button arranged on the circulation branch is triggered or not;
when the emergency stop button is triggered, the liquid outlet liquid separation block controls the liquid supply unit to stop supplying circulating liquid to the external equipment to be cooled on the circulating branch circuit with the emergency button pressed down;
and when the emergency stop button is not triggered, controlling a liquid outlet liquid dividing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to the opened circulating branch of the equipment to be cooled.
Optionally, the liquid outlet sensor comprises a liquid outlet temperature sensor and a liquid outlet flow sensor;
the control goes out liquid divides the liquid piece and distributes the circulation liquid that flows out from the liquid outlet of liquid supply unit to each circulation branch road of the equipment of waiting to cool off that has opened, includes:
acquiring a liquid outlet temperature value of the circulating liquid output from the liquid outlet of the liquid supply unit, which is measured by the liquid outlet temperature sensor, and acquiring a liquid outlet pressure value of the circulating liquid output from the liquid outlet of the liquid supply unit, which is measured by the liquid outlet pressure sensor;
when the liquid outlet temperature value is higher than a preset temperature value or the liquid outlet pressure value is higher than a preset pressure value, controlling a liquid outlet liquid separation block to close a channel for distributing circulating liquid to the opened circulating branch of the equipment to be cooled by the liquid supply unit;
and when the liquid outlet temperature value is less than or equal to a preset temperature value and the liquid outlet pressure value is less than or equal to a preset pressure value, controlling a liquid outlet liquid distributing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each opened circulating branch of the equipment to be cooled.
The invention also provides a circulating liquid separating control device, which comprises: the liquid supply unit, the liquid outlet sensor, the liquid outlet liquid separation block, the control panel and at least two circulation branches; each circulation branch comprises a liquid return sensor and one device to be cooled; the liquid outlet sensor is connected between a liquid outlet of the liquid supply unit and the liquid outlet liquid dividing block, and the equipment to be cooled is connected between the liquid outlet liquid dividing block and the liquid return sensor; one end of the liquid return sensor, which is far away from the equipment to be cooled, is connected with a liquid inlet of the liquid supply unit; the control panel is in communication connection with the liquid supply unit, the liquid outlet liquid separation block, the liquid outlet sensor, the liquid return sensor and the equipment to be cooled;
the control panel is used for:
receiving a starting signal of the equipment to be cooled, controlling the liquid supply unit to be started, and detecting whether the number of the currently started equipment to be cooled is more than or equal to two;
when the number of the currently started equipment to be cooled is larger than or equal to two, controlling a liquid outlet liquid separation block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch of the started equipment to be cooled; each circulation branch comprises a liquid return sensor and one piece of equipment to be cooled;
receiving a closing signal of the started equipment to be cooled, acquiring a liquid outlet temperature value of circulating liquid output from a liquid outlet of the liquid supply unit, which is measured by a liquid outlet sensor, and acquiring a liquid return temperature value and a liquid return flow value of the circulating liquid flowing out of the equipment to be cooled, which are measured by a liquid return sensor in the circulating branch to which the equipment to be cooled, which sends the closing signal, at the same time;
determining a residual heat value of the circulating liquid flowing out of the equipment to be cooled, which sends a closing signal, according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value;
and when the residual heat value of the circulating liquid flowing out of the equipment to be cooled sending the closing signal is smaller than a preset residual heat value, controlling the liquid supply unit to stop outputting the circulating liquid to the circulating branch to which the equipment to be cooled sending the closing signal belongs through the liquid outlet liquid dividing block.
Optionally, the liquid outlet sensor includes a liquid outlet temperature sensor for detecting the liquid outlet temperature value of the circulating liquid output from the liquid outlet of the liquid supply unit, and a liquid outlet pressure sensor for detecting the liquid outlet pressure value of the circulating liquid output from the liquid outlet of the liquid supply unit;
when the liquid outlet temperature value measured by the liquid outlet temperature sensor is higher than a preset temperature value or the liquid outlet pressure value measured by the liquid outlet pressure sensor is higher than a preset pressure value, controlling a liquid outlet liquid distribution block to close a channel for distributing circulating liquid to the opened circulating branch of the equipment to be cooled by the liquid supply unit; and when the liquid outlet temperature value is less than or equal to a preset temperature value and the liquid outlet pressure value is less than or equal to a preset pressure value, controlling a liquid outlet liquid dividing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch containing the started equipment to be cooled.
Optionally, the liquid return sensor includes a liquid return flow sensor for detecting a flow value of the circulating liquid in the circulating branch to which the device to be cooled belongs, and a liquid return temperature sensor for detecting a temperature value of the circulating liquid in the circulating branch to which the device to be cooled belongs.
Optionally, the circulating liquid separating control device further comprises a liquid return separating block and a liquid return pressure sensor; the liquid return pressure sensor is connected between the liquid return liquid separation block and a liquid inlet of the liquid supply unit; and one end of the liquid return and separation block, which is far away from the liquid return pressure sensor, is connected with the liquid return sensor.
Optionally, the liquid outlet and distribution block comprises an electromagnetic blocking valve which is arranged in the circulation branch and is in communication connection with the control panel.
Optionally, the circulating liquid-separating control device further comprises a touch screen in communication connection with the control board.
According to the method and the device for controlling the circulating liquid, the liquid outlet liquid separating block is arranged between the liquid outlet of the liquid supply unit and the equipment to be cooled, and the liquid supply unit can provide the circulating liquid for a plurality of external equipment through the liquid outlet liquid separating block, so that the utilization rate of the liquid supply unit is improved, and the cost of cooling the external equipment is reduced. In addition, through the calculation of the residual heat value of the circulating liquid flowing out of the circulating branch of the equipment to be cooled, when the calculated residual heat value is smaller than the preset residual heat value, the circulation between the equipment to be cooled and the liquid supply unit corresponding to the circulating branch can be timely closed, so that the liquid supply efficiency of the liquid supply unit is improved, and the resource waste caused when the liquid supply unit supplies the circulating liquid to the equipment to be cooled is avoided. The aging degree of the equipment to be cooled of the circulation branch can be obtained by calculating the residual heat value before the equipment to be cooled is shut down, so that the safety risk caused by too large aging degree of the equipment to be cooled and the waste of resources caused by too large aging degree but incapability of being replaced in time of the equipment to be cooled are avoided.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a flowchart of a method for controlling liquid separation of a circulating liquid according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a circulating liquid-separating control device according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a liquid supply unit; 2. a liquid outlet sensor; 21. a liquid outlet temperature sensor; 22. a liquid outlet pressure sensor; 3. discharging liquid and separating liquid blocks; 4. a liquid return sensor; 41. a return liquid temperature sensor; 42. a return liquid flow sensor; 43. a return pressure sensor; 5. a control panel; 6. a circulation branch; 7. returning liquid and separating liquid blocks; 8. a touch screen; 9. the equipment to be cooled.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
As shown in fig. 1, the present invention provides a method for controlling the liquid separation of a circulating liquid, comprising the following steps:
s100, receiving a starting signal of the equipment to be cooled, controlling the liquid supply unit to be started, and detecting whether the number of the currently started equipment to be cooled is more than or equal to two; for example, the number of the devices to be cooled 9 is 2, 5, 8, etc., that is, the liquid supply unit 1 can simultaneously supply the circulating liquid to 2, 5, 8, etc. devices to be cooled 9. Here, it is determined whether the number of currently-turned-on devices to be cooled 9 is greater than or equal to two, that is, although the number of the devices to be cooled 9 is greater than or equal to two, when the start signal of the devices to be cooled 9 is received, only one device to be cooled 9 may be currently turned on, and at this time, the circulating liquid does not need to be distributed, but a passage between the liquid supply unit 1 and the circulating branch 6 where only the turned-on device to be cooled 9 is located is directly opened, so that the turned-on device to be cooled 9 is supplied with liquid and cooled. However, if the number of currently opened devices to be cooled 9 is greater than or equal to two, the circulating liquid output by the liquid supply unit 1 needs to be distributed to each circulating branch 6 containing the opened devices to be cooled 9 through the liquid outlet liquid distribution block 3.
S200, when the number of the currently started equipment to be cooled is larger than or equal to two, controlling a liquid outlet liquid separation block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch of the started equipment to be cooled; each circulation branch comprises a liquid return sensor and the equipment to be cooled; it can be understood that the liquid outlet and separation block 3 is connected to a pipeline between the liquid outlet of the liquid supply unit 1 and the devices to be cooled 9, and the liquid supply unit 1 can supply cooling liquid to a plurality of devices to be cooled 9 at the same time, so that the operation efficiency of the liquid supply unit 1 is improved, and the cost of circulating liquid required by the devices to be cooled 9 is reduced.
Preferably, the liquid outlet sensor 2 includes a liquid outlet temperature sensor 21 for detecting the liquid outlet temperature value of the circulating liquid output from the liquid outlet of the liquid supply unit 1, and a liquid outlet pressure sensor 22 for detecting the liquid outlet pressure value of the circulating liquid output from the liquid outlet of the liquid supply unit 1. Further, the liquid return sensor 4 includes a liquid return flow sensor 42 for detecting a flow value of the circulating liquid in the circulating branch 6 to which the device to be cooled 9 belongs, and a liquid return temperature sensor 41 for detecting a temperature value of the circulating liquid in the circulating branch 6 to which the device to be cooled 9 belongs.
S300, receiving a closing signal of the started equipment to be cooled, acquiring a liquid outlet temperature value of circulating liquid output from a liquid outlet of the liquid supply unit, which is measured by a liquid outlet sensor, and simultaneously acquiring a liquid return temperature value and a liquid return flow value of the circulating liquid flowing out of the equipment to be cooled, which are measured by a liquid return sensor in a circulating branch to which the equipment to be cooled, which sends the closing signal, belongs; it can be understood that, when the device to be cooled 9 is turned on, the liquid supply unit 1 continuously supplies the circulating liquid to the device to be cooled 9 in operation, and when the device to be cooled 9 is turned off, the liquid supply unit 1 also continuously supplies the circulating liquid to the device to be cooled so as to reduce the residual heat of the device to be cooled 9.
S400, determining a residual heat value of circulating liquid flowing out of the equipment to be cooled and sending a closing signal according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value;
specifically, in the process that the device to be cooled 9 is closed and the liquid supply unit 1 continuously supplies the circulating liquid to the device to be cooled 9, a calculation formula of a residual heat value of the circulating liquid flowing out of the device to be cooled 9 is as follows:
W＝cρQ△t＝4.2×10 3 J/kg*K×1000kg/m 3 ×Q△t
wherein W is power (W); c specific heat of the circulating liquid is normal (when the circulating liquid is water, c is 4.2X 10) 3 J/kg × K); rho is the density of the circulating liquid, and the unit of rho is kg/m 3 (when the circulating liquid is water, the density of the water is 1000kg/m 3 ) (ii) a Q is the branch flow value (in m) 3 S), that is, the branch flow value is the flow value of the circulating branch 6 flowing out of the equipment to be cooled 9 measured by the return flow sensor 42; Δ t is a temperature difference (unit is K), and the temperature difference = the liquid return temperature value-the liquid outlet temperature value, that is, the temperature difference is obtained by subtracting the temperature value measured by the liquid outlet temperature sensor 21 from the temperature value measured by the liquid return temperature sensor 41.
S500, when the residual heat value of the circulating liquid flowing out of the equipment to be cooled sending the closing signal is smaller than a preset residual heat value, controlling the liquid supply unit to stop outputting the circulating liquid to the circulating branch to which the equipment to be cooled sending the closing signal belongs through the liquid outlet liquid dividing block. It can be understood that, when the residual heat value is smaller than a preset residual heat value (the preset residual heat value can be set as a residual heat value which can make the temperature in the equipment to be cooled 9 within a safety range according to requirements), the liquid supply unit 1 stops supplying the circulating liquid to the equipment to be cooled 9 in the circulating branch 6 of which the circulating liquid is reduced to the preset residual heat value, and at this time, the temperature value in the equipment to be cooled 9 is reduced to the safety range.
In addition, before the device 9 to be cooled is stopped, that is, in the process of operating the device 9 to be cooled, the liquid supply unit 1 always supplies the circulating liquid to the device 9 to be cooled, so as to achieve the effect of cooling the device 9 to be cooled, and by calculating the residual heat value of the circulating liquid on the circulating branch 6 before the device 9 to be cooled is stopped (similarly, the above-mentioned calculation formula of the residual heat value is also applied here), the aging degree of the device 9 to be cooled corresponding to the circulating branch 6 can be obtained, that is, the larger the residual heat value is, the higher the aging degree of the corresponding device 9 to be cooled is, so that the waste of resources caused by the too large aging degree of the device 9 to be cooled can be prevented, at this time, because the device 9 to be cooled is not found in time due to aging, the liquid supply unit 1 also supplies the circulating liquid to the device 1 to be cooled with the large aging degree according to a normal program, which causes waste, and the aged device itself wastes more energy.
According to the control method of the circulating liquid provided by the invention, the liquid outlet liquid separating block 3 is arranged between the liquid outlet of the liquid supply unit 1 and the equipment to be cooled 9, and the liquid supply unit 1 can supply the circulating liquid to a plurality of pieces of external equipment through the liquid outlet liquid separating block 3, so that the utilization rate of the liquid supply unit 1 is improved, and the cost of the external equipment during cooling is reduced. In addition, through the calculation of the residual heat value of the circulating liquid flowing out of the circulating branch 6 of the device to be cooled 9, when the calculated residual heat value is smaller than the preset residual heat value, the circulation between the device to be cooled 9 and the liquid supply unit 1 corresponding to the circulating branch 6 can be closed in time, so that the liquid supply efficiency of the liquid supply unit 1 is improved, and the waste of resources when the liquid supply unit 1 supplies the circulating liquid to the device to be cooled 9 is avoided. By calculating the residual heat value before the equipment to be cooled 9 is shut down, the aging degree of the equipment to be cooled 9 of the circulation branch 6 can be obtained, so that the safety risk and the resource waste caused by the fact that the equipment to be cooled 9 is too large in aging degree and cannot be found in time are avoided.
In an embodiment, after detecting whether the number of currently-turned-on devices to be cooled 9 is greater than or equal to two, the method further includes:
when the number of the currently opened devices to be cooled 9 is one, controlling the liquid outlet liquid separation block 3 to output the circulating liquid flowing out from the liquid outlet of the liquid supply unit 1 to the circulating branch 6 of the opened devices to be cooled 9. It can be understood that, when only one device to be cooled 9 is turned on, the liquid supply unit 1 may directly turn on only to supply the circulating liquid to the turned-on device to be cooled 9, and cool the turned-on device to be cooled 9, so as to ensure the normal operation of the device to be cooled 9.
In an embodiment, the control liquid outlet and distribution block distributes the circulating liquid flowing out from the liquid outlet of the liquid supply unit to each opened circulating branch of the device to be cooled, and the control liquid outlet and distribution block includes:
monitoring whether an emergency stop button arranged on the circulating branch is triggered; the emergency stop button is a control switch for controlling on-off between the equipment to be cooled on the circulating branch and the liquid supply unit; it is understood that the emergency stop buttons may be control switches which are pressed by an operator in an emergency situation of the external device, and the device 9 to be cooled on each circulation branch 6 corresponds to one emergency stop button.
When the emergency stop button is monitored to be triggered, the liquid outlet liquid distribution block controls the liquid supply unit to stop supplying circulating liquid to the external equipment to be cooled on the circulating branch circuit with the emergency button pressed down; it is understood that the liquid supply unit 1 supplies the circulating liquid to the equipment to be cooled 9 on the plurality of circulating branches 6 in a sub-module manner, so that the supply of the circulating liquid on each circulating branch can be independently turned on or off at any time according to requirements, and the turning-on and turning-off processes can also be synchronously performed.
And when the emergency stop button is not triggered, controlling a liquid outlet liquid dividing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to the opened circulating branch of the equipment to be cooled. As can be appreciated, the emergency stop button can improve the safety of the liquid supply unit 1 when supplying the circulating liquid to the equipment to be cooled 9; and the problem that the conduction of the liquid supply unit 1 and the circulation branch 6 cannot be closed in time when the equipment to be cooled 9 breaks down is avoided, so that the resource waste is caused.
In one embodiment, after it is monitored that the emergency stop button is not triggered, the method further includes:
monitoring whether the liquid supply unit 1 is in an automatic control mode or not through monitoring equipment; wherein, the automatic control mode refers to that the liquid supply unit 1 automatically supplies circulating liquid to the external equipment; it will be appreciated that the automatic control mode may be an automatic control signal triggered by an automatic control button communicatively connected to the liquid supply unit 1.
And when the liquid supply unit 1 is monitored to be in the automatic control mode, controlling the liquid outlet liquid separation block 3 to distribute the circulating liquid flowing out of the liquid outlet of the liquid supply unit 1 to each opened circulating branch 6 of the equipment to be cooled 9. Understandably, when the liquid supply unit 1 is in the automatic control mode, the liquid supply unit 1 automatically supplies circulating liquid to the circulating branch 6 of the started equipment to be cooled 9, so as to achieve the effect of cooling the started equipment to be cooled 9; further, the liquid supply unit 1 may also be in a manual control mode (that is, not in an automatic control mode), in the manual control mode, the control board directly sends a manual operation prompt to an operator, and at this time, the operator may manually start to provide the circulating liquid to the device to be cooled 9 according to the manual operation prompt, so that the probability of failure when the liquid supply unit 1 provides the circulating liquid to the device to be cooled 9 is reduced.
In one embodiment, as shown in fig. 2, the tapping sensor 2 comprises a tapping temperature sensor 21 and a tapping pressure sensor 22; it can be understood that the liquid outlet temperature sensor 21 and the liquid outlet pressure sensor 22 are installed on a pipeline between the liquid outlet of the liquid supply unit 1 and the liquid outlet liquid-separating block 3.
The control liquid outlet and liquid separating block 3 distributes the circulating liquid flowing out from the liquid outlet of the liquid supply unit 1 to each circulating branch 6 containing the opened equipment to be cooled 9, and the control liquid outlet and liquid separating block comprises the following components:
acquiring a liquid outlet temperature value of the circulating liquid output from the liquid outlet of the liquid supply unit, which is measured by the liquid outlet temperature sensor, and acquiring a liquid outlet pressure value of the circulating liquid output from the liquid outlet of the liquid supply unit, which is measured by the liquid outlet pressure sensor;
when the liquid outlet temperature value is higher than a preset temperature value or the liquid outlet pressure value is higher than a preset pressure value, controlling a liquid outlet liquid separation block to close a channel for distributing circulating liquid to the opened circulating branch of the equipment to be cooled by the liquid supply unit; it can be understood that, as long as one of the pressure value and the temperature value of the circulating liquid output by the liquid supply unit 1 does not reach the standard, the liquid supply unit 1 stops supplying the circulating liquid to all the equipment to be cooled 9.
And when the liquid outlet temperature value is less than or equal to a preset temperature value and the liquid outlet pressure value is less than or equal to a preset pressure value, controlling a liquid outlet liquid dividing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch containing the started equipment to be cooled. It can be understood that the liquid supply and supply unit 1 will supply the circulating liquid to the started equipment to be cooled 9 only when the temperature value and the pressure value of the circulating liquid output by the liquid supply unit 1 reach the standard. Thereby ensuring the normal operation of the equipment to be cooled 9 and avoiding the damage of the equipment to be cooled 9 caused by the substandard (such as over-high temperature or pressure) of the circulating liquid flowing into the equipment to be cooled 9.
As shown in fig. 2, the present invention also provides a circulating liquid distribution control device, including: the liquid supply device comprises a liquid supply unit 1, a liquid outlet sensor 2, a liquid outlet liquid separation block 3, a control panel 5 and at least two circulation branches 6; each circulation branch 6 comprises a liquid return sensor 4 and one piece of equipment to be cooled 9; the liquid outlet sensor 2 is connected between a liquid outlet of the liquid supply unit 1 and the liquid outlet liquid separation block 3, and the device to be cooled 9 is connected between the liquid outlet liquid separation block 3 and the liquid return sensor 4; one end of the liquid return sensor 4, which is far away from the equipment to be cooled 9, is connected with a liquid inlet of the liquid supply unit 1; the control panel 5 is in communication connection with the liquid supply unit 1, the liquid outlet liquid separation block 3, the liquid outlet sensor 2, the liquid return sensor 4 and the equipment to be cooled 9; it can be understood that the liquid supply unit 1 is connected with the liquid outlet and liquid distribution block 3 through a pipeline with a large diameter, the liquid outlet and liquid distribution block 3 is connected with the device to be cooled 9 through a pipeline with a small diameter, the device to be cooled 9 is connected with the liquid supply unit 1 through a pipeline with a small diameter, the liquid outlet sensor 2 comprises a liquid outlet pressure sensor 22, a liquid outlet temperature sensor 21 and the like and is installed on a pipeline between the liquid supply unit 1 and the liquid outlet and liquid distribution block 3, and the liquid return sensor 4 comprises a liquid return flow sensor 42, a liquid return temperature sensor 41 and the like and is installed on a pipeline between the device to be cooled 9 and a liquid inlet of the liquid supply unit 1.
The control board 5 is used for:
receiving a starting signal of the equipment to be cooled 9, controlling the liquid supply unit 1 to be started, and detecting whether the number of the currently started equipment to be cooled 9 is more than or equal to two;
when the number of the currently started equipment to be cooled 9 is greater than or equal to two, controlling the liquid outlet liquid separation block 3 to distribute the circulating liquid flowing out of the liquid outlet of the liquid supply unit 1 to each circulating branch 6 of the started equipment to be cooled 9; each circulation branch 6 comprises a liquid return sensor 4 and one device to be cooled 9;
receiving a closing signal of the started equipment to be cooled 9, acquiring a liquid outlet temperature value of circulating liquid output from a liquid outlet of the liquid supply unit 1, which is measured by a liquid outlet sensor 2, and acquiring a liquid return temperature value and a liquid return flow value of the circulating liquid flowing out of the equipment to be cooled 9, which are measured by a liquid return sensor 4 in a circulating branch 6 to which the equipment to be cooled 9 which sends the closing signal belongs;
determining the residual heat value of the circulating liquid flowing out of the equipment to be cooled 9 which sends a closing signal according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value;
when the residual heat value of the circulating liquid flowing out of the equipment to be cooled 9 sending the closing signal is smaller than the preset residual heat value, the liquid outlet liquid separation block 3 controls the liquid supply unit 1 to stop outputting the circulating liquid to the circulating branch 6 to which the equipment to be cooled 9 sending the closing signal belongs.
It is understood that, regarding the specific definition of the control board 5, reference may be made to the above definition of the circulating liquid control method, and the description thereof is omitted. The control board 5 described above may be implemented by software, hardware, and a combination thereof. The control board 5 may be embedded in or independent of a processor in the computer device, or may be stored in the form of software in a memory of the computer device. And it is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of each functional unit or module is merely used as an example, and in practical applications, the above functions may be distributed to different functional units or modules as needed, that is, the internal structure of the apparatus may be divided into different functional units or modules to complete all or part of the above described functions.
In the invention, the liquid outlet and liquid separating block 3 can distribute the circulating liquid output by the liquid supply unit 1 to a plurality of circulating branches 6, the equipment to be cooled 9 is connected to the circulating branches, and each circulating branch can be connected with one equipment to be cooled 9, so that the liquid supply unit 1 can provide the circulating liquid for a plurality of equipment to be cooled 9 at the same time, the utilization rate of the liquid supply unit 1 is improved, and the cost of cooling the equipment to be cooled 9 is reduced. In addition, the liquid outlet sensor 2 is installed on a pipeline of the liquid supply unit 1 for outputting the circulating liquid, the liquid return sensor 4 is installed on a pipeline of a circulating branch 6 of the device 9 to be cooled for outputting the circulating liquid, the performance (including aging degree and the like) of the device 9 to be cooled can be deduced by measuring the parameter value of the circulating liquid through the liquid outlet sensor 2 and the liquid return sensor 4 and combining the calculation of the residual heat value of the circulating liquid in the circulating branch 6 corresponding to the device 9 to be cooled mentioned above, the control board 5 is in communication connection with the liquid supply unit 1, the liquid outlet sensor 2, the liquid return sensor 4 and the external device, and the start and stop of the device 9 to be cooled and the liquid supply unit 1 can be controlled according to the parameter values measured by the liquid outlet sensor 2 and the liquid return sensor 4, so that the safety of the circulating liquid dividing control device is improved.
In an embodiment, as shown in fig. 2, the liquid outlet sensor 2 includes a liquid outlet temperature sensor 21 for detecting the liquid outlet temperature value of the circulating liquid output from the liquid outlet of the liquid supply unit 1, and a liquid outlet pressure sensor 22 for detecting the liquid outlet pressure value of the circulating liquid output from the liquid outlet of the liquid supply unit 1; it can be understood that the liquid outlet temperature sensor 21 and the liquid outlet pressure sensor 22 are both installed on a pipeline between the liquid outlet of the liquid supply unit 1 and the liquid outlet liquid separation block 3.
When the liquid outlet temperature value measured by the liquid outlet temperature sensor 21 is higher than a preset temperature value or the liquid outlet pressure value measured by the liquid outlet pressure sensor 22 is higher than a preset pressure value, controlling the liquid outlet liquid distribution block 3 to close a channel for distributing the circulating liquid to the circulating branch 6 containing the started equipment to be cooled 9 by the liquid supply unit 1; and when the liquid outlet temperature value is less than or equal to a preset temperature value and the liquid outlet pressure value is less than or equal to a preset pressure value, controlling the liquid outlet liquid distributing block 3 to distribute the circulating liquid flowing out of the liquid outlet of the liquid supply unit 1 to each opened circulating branch 6 of the equipment to be cooled 9. It can be understood that the liquid supply and supply unit 1 will supply the circulating liquid to the started equipment to be cooled 9 only when the temperature value and the pressure value of the circulating liquid output by the liquid supply unit 1 reach the standard. Therefore, the normal operation of the equipment to be cooled 9 is ensured, the damage to the equipment to be cooled 9 caused by the failure of the circulating liquid flowing into the equipment to be cooled 9 to reach the standard is avoided, and the service life of the circulating liquid separating device is prolonged.
In an embodiment, as shown in fig. 2, the liquid return sensor 4 includes a liquid return flow sensor 42 for detecting a flow value of the circulating liquid in the circulating branch 6 of the device to be cooled 8, and a liquid return temperature sensor 41 for detecting a temperature value of the circulating liquid in the circulating branch 6 of the device to be cooled 9. It is understood that the liquid return flow sensor 42 and the liquid return temperature sensor 41 are both installed on the pipe of the circulation branch 6 of the device to be cooled 9, and the liquid return flow sensor 42 and the liquid return temperature sensor 41 are installed on the pipe of each circulation branch 6.
And the control board 5 determines the residual heat value of the circulating liquid flowing out of the equipment to be cooled 9 according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value. It is understood that the degree of ageing of the device to be cooled 9 can be deduced by calculation of the residual heat value between the stops of the device to be cooled 9; in addition, the on-off of the liquid supply unit 1 to the equipment to be cooled 9 of the circulating wheel can be closed in time through the calculation of the residual heat value after the equipment to be cooled 9 is shut down; the specific calculations and inferences are set forth above and mentioned and will not be repeated here.
In an embodiment, as shown in fig. 2, the circulating liquid-separating control device further includes a liquid-returning and liquid-separating block 7 and a liquid-returning pressure sensor 43; the liquid return pressure sensor 43 is connected between the liquid return liquid separation block 7 and the liquid inlet of the liquid supply unit 1; and one end of the liquid return and separation block 7, which is far away from the liquid return pressure sensor 43, is connected with the liquid return sensor 4. It can be understood that the circulating liquids flowing out of the devices to be cooled 9 can be collected together through the liquid return and separation block 7 and then flow into the liquid inlet of the liquid supply unit 1, which facilitates management of the circulating liquids. The liquid return pressure sensor 43 is mounted on a pipeline between the liquid return liquid separation block 7 and the liquid inlet of the liquid supply unit 1 and is used for observing the pressure value of the circulating liquid flowing into the liquid supply unit 1.
In one embodiment, as shown in fig. 2, the liquid outlet and dispensing block 3 comprises an electromagnetic blocking valve disposed in the circulation branch 6 and communicatively connected to the control board 5. It can be understood that the electromagnetic blocking valve is a part of the liquid outlet and distribution block, the design of the electromagnetic blocking valve can facilitate the control panel 5 to control the conduction between the equipment to be cooled 9 on each circulation branch 6 and the liquid supply unit 1, and the control panel 5 can realize that the liquid supply unit 1 stops supplying the circulation liquid to the equipment to be cooled 9 of the circulation branch 6 and continuously supplies the circulation liquid to the equipment to be cooled 9 corresponding to the circulation branch 6 which is not blocked by the electromagnetic valve only by controlling the electromagnetic blocking valve to block the circulation branch pipeline.
In an embodiment, as shown in fig. 2, the circulating liquid-separating control device further includes a touch screen 8 communicatively connected to the control board 5. As can be understood, an operator can start and stop the device to be cooled 9, start and stop the liquid supply unit 1, and turn on and off the circulation branch 6 by the liquid outlet liquid distributing block through operation of the touch screen 8 (that is, a first start and stop button for controlling opening and closing of the device to be cooled 9, a second start and stop button for controlling opening and closing of the liquid supply unit 1, and an emergency stop button for controlling turning on and off of the circulation branch 6 by the liquid outlet liquid distributing block 3 are arranged in a preset area on the touch screen 8); the design of the touch screen 8 can facilitate the operation of an operator on the circulating liquid separating control device, and the working efficiency of the operator is improved.
In an embodiment, an emergency brake button for controlling the liquid supply unit 1 to stop supplying the circulating liquid to the device to be cooled 9 and an automatic control button for controlling the liquid supply unit 1 to automatically supply the circulating liquid to the liquid supply unit 1 are disposed on the touch screen 8. Understandably, in emergency situations such as overhigh temperature and overlarge pressure of the circulating liquid output by the liquid supply unit 1, an operator can emergently close the liquid supply unit 1 through the emergency brake button on the touch screen 8; when the automatic control button is pressed, the liquid supply unit 1 is in an automatic control mode, and the liquid outlet liquid separation block 3 is controlled to automatically supply circulating liquid to the opened circulating branch 6 of the equipment to be cooled 9, so that the effect of cooling the opened equipment to be cooled 9 is achieved, the parameter values of the circulating liquid before entering the external equipment and after flowing out of the external equipment are detected in real time, and the working efficiency is improved; preferably, a manual control button is further arranged on the touch screen 8, when the manual control button is pressed, the liquid supply unit 1 is in a manual control mode, and an operator can provide circulating liquid for the external equipment according to actual requirements. The design of the touch screen 8 can facilitate the operation of an operator when the liquid supply unit 1 supplies liquid, and the emergency brake button and the manual control button can improve the safety of the circulating liquid distribution control device.
Claims (10)
1. A circulating liquid separation control method is characterized by comprising the following steps:
receiving a starting signal of the equipment to be cooled, controlling the liquid supply unit to be started, and detecting whether the number of the currently started equipment to be cooled is more than or equal to two;
when the number of the currently started equipment to be cooled is larger than or equal to two, controlling a liquid outlet liquid separation block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch of the started equipment to be cooled; each circulation branch comprises a liquid return sensor and one device to be cooled;
receiving a closing signal of the started equipment to be cooled, acquiring a liquid outlet temperature value of circulating liquid output from a liquid outlet of the liquid supply unit, which is measured by a liquid outlet sensor, and acquiring a liquid return temperature value and a liquid return flow value of the circulating liquid flowing out of the equipment to be cooled, which are measured by a liquid return sensor in the circulating branch to which the equipment to be cooled, which sends the closing signal, at the same time;
determining a residual heat value of circulating liquid flowing out of the equipment to be cooled, which sends a closing signal, according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value;
when the residual heat value of the circulating liquid flowing out of the equipment to be cooled sending the closing signal is smaller than a preset residual heat value, controlling the liquid supply unit to stop outputting the circulating liquid to the circulating branch to which the equipment to be cooled sending the closing signal belongs through the liquid outlet liquid dividing block;
determining the aging degree of the equipment to be cooled according to the residual heat value of the circulating liquid flowing out of the equipment to be cooled before the closing signal is sent, wherein the aging degree is positively correlated with the residual heat value;
and when the aging degree reaches a preset value, controlling the liquid supply unit to stop outputting the circulating liquid to the circulating branch to which the equipment to be cooled belongs and sending a closing signal through the liquid outlet liquid separation block.
2. The circulating liquid distribution control method according to claim 1, wherein after detecting whether the number of currently activated devices to be cooled is greater than or equal to two, the method further comprises:
when the number of the currently started equipment to be cooled is one, controlling the liquid outlet liquid separation block to output the circulating liquid flowing out of the liquid outlet of the liquid supply unit to the started circulating branch of the equipment to be cooled.
3. The liquid separation control method of the circulating liquid according to claim 1, wherein the controlling of the liquid separation block distributes the circulating liquid flowing out from the liquid outlet of the liquid supply unit to each circulating branch including the opened device to be cooled, includes:
monitoring whether an emergency stop button arranged on the circulation branch is triggered or not;
when the emergency stop button is triggered, the liquid outlet liquid separation block controls the liquid supply unit to stop supplying circulating liquid to the equipment to be cooled on the circulating branch with the emergency button pressed down;
and when the emergency stop button is not triggered, controlling a liquid outlet liquid dividing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to the circulating branch containing the started equipment to be cooled.
4. The circulating liquid separation control method according to claim 1, wherein the liquid outlet sensor includes a liquid outlet temperature sensor and a liquid outlet pressure sensor;
the control liquid outlet liquid separation block distributes circulating liquid flowing out of a liquid outlet of the liquid supply unit to each opened circulating branch of the device to be cooled, and the control liquid outlet liquid separation block comprises:
acquiring a liquid outlet temperature value of the circulating liquid output from the liquid outlet of the liquid supply unit, which is measured by the liquid outlet temperature sensor, and acquiring a liquid outlet pressure value of the circulating liquid output from the liquid outlet of the liquid supply unit, which is measured by the liquid outlet pressure sensor;
when the liquid outlet temperature value is higher than a preset temperature value or the liquid outlet pressure value is higher than a preset pressure value, controlling a liquid outlet liquid separation block to close a channel for distributing circulating liquid to a circulating branch containing the started equipment to be cooled by the liquid supply unit;
and when the liquid outlet temperature value is less than or equal to a preset temperature value and the liquid outlet pressure value is less than or equal to a preset pressure value, controlling a liquid outlet liquid distributing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each opened circulating branch of the equipment to be cooled.
5. A circulating liquid separating control device is characterized by comprising: the liquid supply unit, the liquid outlet sensor, the liquid outlet liquid separation block, the control panel and at least two circulation branches; each circulation branch comprises a liquid return sensor and equipment to be cooled; the liquid outlet sensor is connected between a liquid outlet of the liquid supply unit and the liquid outlet liquid dividing block, and the equipment to be cooled is connected between the liquid outlet liquid dividing block and the liquid return sensor; one end of the liquid return sensor, which is far away from the equipment to be cooled, is connected with a liquid inlet of the liquid supply unit; the control panel is in communication connection with the liquid supply unit, the liquid outlet liquid separation block, the liquid outlet sensor, the liquid return sensor and the equipment to be cooled;
the control panel is used for:
receiving a starting signal of the equipment to be cooled, controlling the liquid supply unit to be started, and detecting whether the number of the currently started equipment to be cooled is more than or equal to two;
when the number of the currently started equipment to be cooled is larger than or equal to two, controlling a liquid outlet liquid separation block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each circulating branch of the started equipment to be cooled; each circulation branch comprises a liquid return sensor and one piece of equipment to be cooled;
receiving a closing signal of the started equipment to be cooled, acquiring a liquid outlet temperature value of circulating liquid output from a liquid outlet of the liquid supply unit, which is measured by a liquid outlet sensor, and acquiring a liquid return temperature value and a liquid return flow value of the circulating liquid flowing out of the equipment to be cooled, which are measured by a liquid return sensor in a circulating branch to which the equipment to be cooled, which sends the closing signal, at the same time;
determining a residual heat value of circulating liquid flowing out of the equipment to be cooled, which sends a closing signal, according to the liquid outlet temperature value, the liquid return temperature value and the liquid return flow value;
when the residual heat value of the circulating liquid flowing out of the equipment to be cooled sending the closing signal is smaller than a preset residual heat value, the liquid outlet liquid dividing block controls the liquid supply unit to stop outputting the circulating liquid to the circulating branch to which the equipment to be cooled sending the closing signal belongs;
determining the aging degree of the equipment to be cooled according to the residual heat value of the circulating liquid flowing out of the equipment to be cooled before the closing signal is sent, wherein the aging degree is positively correlated with the residual heat value;
and when the aging degree reaches a preset value, controlling the liquid supply unit to stop outputting the circulating liquid to the circulating branch to which the equipment to be cooled belongs and sending a closing signal through the liquid outlet liquid separation block.
6. The device for controlling liquid separation of circulating liquid according to claim 5, wherein the liquid outlet sensor includes a liquid outlet temperature sensor for detecting the liquid outlet temperature value of the circulating liquid output from the liquid outlet of the liquid supply unit, and a liquid outlet pressure sensor for detecting the liquid outlet pressure value of the circulating liquid output from the liquid outlet of the liquid supply unit;
when the liquid outlet temperature value measured by the liquid outlet temperature sensor is higher than a preset temperature value or the liquid outlet pressure value measured by the liquid outlet pressure sensor is higher than a preset pressure value, controlling a liquid outlet liquid distribution block to close a channel for distributing circulating liquid to a circulating branch containing the started equipment to be cooled by the liquid supply unit; and when the liquid outlet temperature value is less than or equal to a preset temperature value and the liquid outlet pressure value is less than or equal to a preset pressure value, controlling a liquid outlet liquid distributing block to distribute circulating liquid flowing out of a liquid outlet of the liquid supply unit to each opened circulating branch of the equipment to be cooled.
7. The device for controlling liquid separation of circulating liquid according to claim 6, wherein the liquid return sensor includes a liquid return flow sensor for detecting a flow value of the circulating liquid in the circulation branch to which the device to be cooled belongs, and a liquid return temperature sensor for detecting a temperature value of the circulating liquid in the circulation branch to which the device to be cooled belongs.
8. The circulating liquid separating control device according to claim 5, further comprising a liquid return separating block and a liquid return pressure sensor; the liquid return pressure sensor is connected between the liquid return liquid separation block and a liquid inlet of the liquid supply unit; one end of the liquid return and liquid separation block, which is far away from the liquid return pressure sensor, is connected with the liquid return sensor.
9. The apparatus for controlling liquid-liquid separation of circulation according to claim 5, wherein said liquid-liquid separation block comprises an electromagnetic blocking valve disposed in said circulation branch and communicatively connected to said control board.
10. The circulating liquid separating control device according to claim 5, further comprising a touch screen in communication connection with the control board.
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| CN202010182242.2A CN113405307B (en) | 2020-03-16 | 2020-03-16 | Circulating liquid separation control method and device |
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