CN104841704A - Cooling device - Google Patents
Cooling device Download PDFInfo
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- CN104841704A CN104841704A CN201510173818.8A CN201510173818A CN104841704A CN 104841704 A CN104841704 A CN 104841704A CN 201510173818 A CN201510173818 A CN 201510173818A CN 104841704 A CN104841704 A CN 104841704A
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Abstract
The embodiment of the invention discloses a cooling device which comprises a plurality of water sprayers communicated with a water storage device. Each water sprayer is provided with an electric control valve. The cooling device further comprises a plurality of temperature sensors in one-to-one correspondence to the water sprayers. After measuring values of the temperature sensors are compared with the preset comparison value in a comparator, control signals of the water sprayers are generated and sent to the electric control valves of the corresponding water sprayers, and the electric control valve of each water sprayer adjusts the opening amount of the electric control valve of the corresponding water sprayer according to the received control signal. According to the cooling device, the water outlet amount of the water sprayers can be automatically adjusted according to the measuring values of the temperature sensors, on one hand, working personnel do not need to monitor field temperatures on a high-temperature production line or manually adjust the water outlet amount of the water sprayers, and on the other hand, the water sprayers can be automatically controlled independently, and unnecessary water resource waste is avoided.
Description
Technical field
The present invention relates to field of mechanical technique, particularly relate to a kind of cooling device.
Background technology
In the running, by the impact of frictional force and ambient temperature, himself temperature is usually higher for heavy mechanical equipment, and such as, steel are responsible for the roll roller-way transporting steel in producing, and through working for a long time, surface temperature can reach hundreds of degree Celsius.But plant equipment hot soak condition not only affects the service life of equipment, also endanger the personal safety of staff.
Therefore, existing heavy mechanical equipment is generally equipped with cooling system, and its type of cooling mostly is water cooling.Such as, above roller-way, a water jet is set at interval of a segment distance, all water jets are all fetched water by a total valve and are outwards sprayed from water storage apparatus, staff controls the unlatching of total valve, closedown and open amount according to the actual conditions of roller-way, thus control all water jets and spray water simultaneously or stop water spray simultaneously, and control all water jets with the identical water yield simultaneously outwards water spray.
Existing cooling system needs staff to monitor the real time temperature of roller-way at any time, total valve is closed when roller-way temperature is lower, total valve is opened when roller-way temperature is higher, but, roller-way is the plant equipment that length is larger, its various piece temperature is in the course of the work possible and inconsistent, such as, the temperature of roller way middle part is higher, need cooling, the temperature of roller-way head is lower, do not need cooling, and be the object reaching cooling roller bed, staff can open total valve, each water jet is all outwards sprayed water, cause unnecessary water resource waste, and be the situation avoiding above-mentioned water resource waste, staff can adjust total valve makes each water jet all outwards spray water with the less water yield, but the roller way middle part cooling effect causing temperature higher is poor.
Summary of the invention
Provide a kind of cooling device in the embodiment of the present invention, need staff to monitor to solve existing cooling system, and, the problem that cooling effectiveness is lower.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
A kind of cooling device, be communicated with water storage device, described device comprises multiple water jet, and each water jet is provided with an independently electric control valve;
Described device also comprises and the multiple temperature sensor one to one of each in multiple water jet, and described temperature sensor is arranged on the predeterminated position that can detect object temperature to be cooled;
Described device also comprises comparator, and the input of described comparator is electrically connected with the output of each described temperature sensor respectively, and the output of described comparator is electrically connected with the control end of all described electric control valves;
The measured value of described comparator according to each described temperature sensor and the comparative result of default fiducial value, generate the control signal corresponding with each water jet respectively, and send to the described electric control valve of corresponding water jet;
Each described electric control valve adjusts open amount according to the described control signal received, to control the water yield of corresponding water jet.
Alternatively, described comparator comprises temperature receptacle, temperature comparator, signal generating circuit and sender unit; Wherein,
The input of described temperature receptacle is electrically connected with the output of each described temperature sensor respectively, and receives the measured value of each described temperature sensor;
The input of described temperature comparator is electrically connected with the output of described temperature receptacle, to be compared with default fiducial value respectively by the measured value of each described temperature sensor, obtains comparative result;
The input of described signal generating circuit is electrically connected with the output of described temperature comparator, to generate the control signal of each water jet respectively according to described comparative result;
The input of described sender unit is electrically connected with the output of described signal generating circuit, and the output of described sender unit is electrically connected with the control end of the electric control valve of each water jet respectively, described control signal to be sent to the electric control valve of each water jet.
Alternatively, described temperature comparator comprises the first comparator, the second comparator and the 3rd comparator; Wherein,
The input of described first comparator is electrically connected with the output of described temperature receptacle, all to be compared with the first preset value by the measured value of temperature sensor described in each, and obtains the first comparative result;
The input of described second comparator is electrically connected with the output of described temperature receptacle, all to be compared with the second preset value by the measured value of temperature sensor described in each, and obtains the second comparative result;
The input of described 3rd comparator is electrically connected with the output of described temperature receptacle, all to be compared with the 3rd preset value by the measured value of temperature sensor described in each, and obtains the 3rd comparative result.
Alternatively, the input of described signal generating circuit is electrically connected with the output of the output of described first comparator, the output of the second comparator and the 3rd comparator respectively;
Described signal generating circuit comprises start signal generative circuit, shutdown signal generative circuit, the first water transfer signal generating circuit, the second water transfer signal generating circuit and inhibit signal generative circuit; Wherein,
The input of described start signal generative circuit is electrically connected with the output of described first comparator, and the output of described start signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor is greater than the first preset value, generate a valve opening control signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
The input of described shutdown signal generative circuit is electrically connected with the output of described second comparator, and the output of described shutdown signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor is less than the second preset value, generate a valve closing control signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
The input of described first water transfer signal generating circuit is electrically connected with the output of described first comparator and the output of described 3rd comparator respectively, and the output of described first water transfer signal generating circuit is electrically connected with the input of described sender unit, during to be greater than the first preset value at the measured value of described temperature sensor and to be less than the 3rd preset value, generate the first runoff investigation signal, and the described electric control valve of the water jet corresponding with described temperature sensor is sent to by described sender unit, described first runoff investigation signal is corresponding with the first default open amount of the electric control valve of described water jet,
The input of described second water transfer signal generating circuit is electrically connected with the output of described 3rd comparator, and the output of described second water transfer signal generating circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor is greater than the 3rd preset value, generate the second runoff investigation signal, and the described electric control valve of the water jet corresponding with described temperature sensor is sent to by described sender unit, described second runoff investigation signal is corresponding with the second default open amount of the electric control valve of described water jet;
The input of described inhibit signal generative circuit is electrically connected with the output of described 3rd comparator, and the output of described inhibit signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor equals the 3rd preset value, generate a water quantity holding control signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
Described first preset value is greater than described second preset value; Described 3rd preset value is greater than described first preset value;
Described first presets open amount is less than the described second default open amount.
Alternatively, described device also comprises the electronic total valve in a passage being arranged between all water jets and water storage device;
Described signal generating circuit comprises main valve start signal generative circuit;
The input of described main valve start signal generative circuit is electrically connected with the output of described first comparator, and the output of described main valve start signal generative circuit is electrically connected with the input of described sender unit, when being greater than the first preset value with the measured value of temperature sensor described in any one, generate a total valve and open control signal, and send to described electronic total valve by described sender unit;
Described temperature comparator also comprises the 4th comparator, and the input of described 4th comparator is electrically connected with the output of described temperature receptacle, all to be compared with the 4th preset value by the measured value of temperature sensor described in each, and obtains the 4th comparative result;
Described signal generating circuit comprises main valve shutdown signal generative circuit;
The input of described main valve shutdown signal generative circuit is electrically connected with the output of described 4th comparator, the output of described main valve shutdown signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of each described temperature sensor is all less than the 4th preset value, generate a total valve closing control signal, and send to described electronic total valve by described sender unit.
Alternatively, described temperature comparator also comprises memory and an interval comparator;
Described memory comprises one and presets adjustment interval table, and it is interval that described default adjustment interval table comprises multiple default adjustment, and it is interval all within the scope being greater than described first preset value that any one presets adjustment;
The input of described interval comparator is electrically connected with the output of described temperature receptacle and the output of described memory respectively, all to be compared with all default adjustment intervals by the measured value of temperature sensor described in each, and obtains interval comparative result;
Described signal generating circuit also comprises wayside signaling generative circuit;
The input of described wayside signaling generative circuit is electrically connected with the output of described interval comparator, the output of described wayside signaling generative circuit is electrically connected with the input of described sender unit, during to belong to any one default adjustment interval at the measured value of described temperature sensor, generate a said preset amount of water conditioning signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
Described said preset amount of water conditioning signal and the interval one_to_one corresponding of described default adjustment.
Alternatively, described comparator also comprises fiducial value and arranges device;
The output that described fiducial value arranges device is electrically connected with the input of described temperature comparator, interval to arrange described first preset value, the second preset value, the 3rd preset value, the 4th preset value and each described default adjustment.
Alternatively, described device comprises manual control circuit;
Described manual control circuit comprises and the multiple electronic knob one to one of each in multiple described electric control valve;
Described in each, the output of electronic knob is all electrically connected with the input of described signal generating circuit;
Described signal generating circuit is when described electronic knob rotates to preset gear, generate a described control signal, and by the described electric control valve that described sender unit sends to described electronic knob corresponding, described control signal is one in valve opening control signal, valve closing control signal and said preset amount of water conditioning signal;
Each described electronic knob includes multiple gear, the described control signal that each gear is corresponding different.
Alternatively, described comparator also comprises self-test signal maker and self-detection result getter;
The output of described self-test signal maker is electrically connected with the input of the signal generating circuit of described comparator, self-test signal is generated to control signal generating circuit when described self-test signal maker is activated, and sending to each described electric control valve respectively by described sender unit, described self-test signal comprises valve opening control signal, valve closing control signal and said preset amount of water conditioning signal;
Described self-detection result getter respectively with signal generating circuit, and described in each electric control valve electrical connection, to judge whether each described electric control valve performs the action corresponding with the described self-test signal received;
If each described electric control valve all perform the action corresponding with the described self-test signal received, determine self-inspection success.
Alternatively, described comparator is programmable logic controller (PLC).
From above technical scheme, the cooling device that the embodiment of the present invention provides, comprise multiple water jet be communicated with water storage device, each water jet is provided with an electric control valve, this cooling device also comprises and water jet multiple temperature sensor one to one, after the measured value of each temperature sensor is compared with the default fiducial value in comparator, generate the control signal of each water jet and send to the electric control valve of corresponding water jet, the electric control valve of each water jet adjusts the water yield of corresponding water jet according to the control signal received.
Utilize the cooling device that the embodiment of the present invention provides, automatically the water yield of each water jet can be adjusted by the measured value of temperature sensor, do not need staff in high temperature production line monitoring field temperature and the water yield of manual adjustments water jet on the one hand, staff is avoided to be burnt by high-temperature mechanical equipment, and, save the staffing on production line; Automatically controlling separately of each water jet can be realized on the other hand, avoid all water jets must spray water with identical water yield at synchronization, cause unnecessary water resource waste.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of cooling device that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
The structural representation of a kind of cooling device that Fig. 1 provides for the embodiment of the present invention, this device is communicated with water storage device 1, and by outwards spraying water with the temperature reducing high temp objects, as shown in Figure 1, cooling device comprises multiple water jet 4 be communicated with water storage device 1, the quantity of water jet 4 is depending on actual application environment, each water jet 4 is provided with an independently electric control valve 3, when electric control valve 3 is closed, water jet 4 is not outwards sprayed water, when electric control valve 3 is opened with maximum, water jet 4 is outwards sprayed water with maximum, and, the open amount of adjustment electric control valve 3 directly can adjust the water yield of water jet 4.
Cooling device also comprises and the multiple temperature sensor 5 one to one of each in multiple water jet 4, namely, the quantity of temperature sensor 5 is consistent with the quantity of water jet 4, each water jet 4 and one independently temperature sensor 5 match, namely, temperature sensor 5 detects the temperature of object a part to be cooled, and corresponding water jet 4 is responsible for spraying water to this position of object to be cooled.
Temperature sensor 5 is arranged on the predeterminated position that can detect object temperature to be cooled, such as, in steel production line, when needing the steel billet cooling transmission roller channel 7, multiple temperature sensor 5 is arranged on the side of transmission roller channel 7 with the spacing arranging every 3 meters, makes each temperature sensor 5 temperature of its position place steel billet can be detected, and, above each temperature sensor 5 installation place, all corresponding be provided with one can the water jet 4 of steel billet water spray downwards.
The comparator 6 be electrically connected with the control end of the electric control valve 3 of each water jet 4 is also comprised in cooling device, and, the input of this comparator 6 is also electrically connected with the output of each temperature sensor 5 respectively, in one particular embodiment of the present invention, comparator 6 can be programmable logic controller (PLC).
The measured value of each temperature sensor 5 and default fiducial value compare by comparator 6, and obtain comparative result, will specifically set forth in the following embodiments the explanation obtaining comparative result.Comparator 6 generates the control signal corresponding with each water jet 4 accordingly according to comparative result, and the control signal of each water jet 4 is sent to the electric control valve 3 of corresponding water jet 4, the electric control valve 3 of each water jet 4 is according to the control signal received, adjust the open amount of the electric control valve 3 of corresponding water jet 4, and then the water yield of adjustment water jet 4.
Such as, the measured value of certain temperature sensor 5 is too high, exceed the unlatching value in default fiducial value, then comparator 6 generates the control signal that a control water jet 4 is opened, and send to the electric control valve 3 of corresponding water jet 4, electric control valve 3 is opened according to this control signal, and water jet 4 can outwards be sprayed water.
The present embodiment, by measuring the temperature of object to be cooled, and compared with the fiducial value preset, automatically, the water yield of the adjustment of segmentation intelligently water jet 4, thus reaches disengaging manual monitoring, and, effectively utilize water resource to complete the object of cooling work.
In another embodiment of the present invention, the comparator 6 in above-described embodiment comprises temperature receptacle, temperature comparator, signal generating circuit and sender unit.Wherein, the input of temperature receptacle is electrically connected with the output of each temperature sensor 5 respectively, and receives the measured value of each temperature sensor 5, knows the temperature of object to be cooled thus.
The input of temperature comparator is electrically connected with the output of temperature receptacle, can be obtained the measured value of each temperature sensor 5 by temperature receptacle, and, in temperature comparator, store default fiducial value.In the present embodiment, default fiducial value comprises the first preset value, the second preset value and the 3rd preset value, the measured value of each temperature sensor 5 and all default fiducial values is compared, and obtains comparative result.
In the present embodiment, cooling device comprises three water jets 4, and each water jet 4 is provided with an electric control valve 3, and comprise three with the setting position temperature sensor 5 one to one of water jet 4.As shown in Figure 1, wherein, three water jets 4 are respectively water jet 4A, water jet 4B and water jet 4C; Three temperature sensors 5 are respectively temperature sensor 5A, temperature sensor 5B and temperature sensor 5C.
The input of signal generating circuit is electrically connected with the output of temperature comparator, can generate the control signal of each water jet according to the comparative result of temperature comparator respectively
The input of sender unit is electrically connected with the output of signal generating circuit, and the output of sender unit is electrically connected with the control end of the electric control valve of each water jet respectively, the control signal that signal generating circuit generates can be sent to the electric control valve of each water jet.
In another embodiment of the present invention, temperature comparator comprises the first comparator, the second comparator and the 3rd comparator, wherein,
The input of the first comparator is electrically connected with the output of temperature receptacle, to be compared with the first preset value by the measured value of temperature sensor 5, and obtains the first comparative result.Such as, the measured value of certain temperature sensor 5 is the 550, first preset value is 500, and known comparative result is that the measured value of this temperature sensor 5 is greater than the first preset value.
The input of the second comparator is electrically connected with the output of temperature receptacle, to be compared with the second preset value by the measured value of temperature sensor 5, and obtains the second comparative result.Such as, the measured value of certain temperature sensor 5 is the 400, second preset value is 450, and known comparative result is that the measured value of this temperature sensor 5 is less than the second preset value.
The input of the 3rd comparator is electrically connected with the output of temperature receptacle, to be compared with the 3rd preset value by the measured value of temperature sensor 5, and obtains the 3rd comparative result.Such as, the measured value of certain temperature sensor 5 is the 750, three preset value is 650, and known comparative result is that the measured value of this temperature sensor 5 is greater than the 3rd preset value.
In another embodiment of the present invention, the input of the signal generating circuit in above-described embodiment is electrically connected with the output of the output of the first comparator in above-described embodiment, the output of the second comparator and the 3rd comparator respectively.
In the present embodiment, signal generating circuit comprises start signal generative circuit, shutdown signal generative circuit, the first water transfer signal generating circuit, the second water transfer signal generating circuit and inhibit signal generative circuit; Wherein,
The input of start signal generative circuit is electrically connected with the output of the first comparator, and the output of start signal generative circuit is electrically connected with the input of sender unit.When the measured value of certain temperature sensor 5 is greater than the first preset value, generate a valve opening control signal, this valve opening control signal is passed through sender unit, send to the electric control valve 3 of the water jet 4 corresponding with this temperature sensor 5, this electric control valve 3 is after receiving this valve opening control signal, open immediately, make the water jet 4 of this correspondence start outside water spray.
In the present embodiment, first preset value is 500 degree, when the measured value of temperature sensor 5B is greater than 500 degree, start signal generative circuit generates valve opening control signal, and the electric control valve 3 of the water jet 4B sending to temperature sensor 5B corresponding by sender unit this signal, after electric control valve 3 receives this signal, open with a default open amount immediately, as, the open amount with 30% is opened.
The input of shutdown signal generative circuit is electrically connected with the output of the second comparator, and the output of shutdown signal generative circuit is electrically connected with the input of sender unit.When the measured value of certain temperature sensor 5 is less than the second preset value, shutdown signal generative circuit generates a valve closing control signal, and by sender unit, this valve closing control signal is sent to the electric control valve 3 of the water jet 4 corresponding with this temperature sensor 5, this electric control valve 3 is after receiving this valve closing control signal, close immediately, make corresponding water jet 4 stop outside water spray.
In the present embodiment, second preset value is 450 degree, when the measured value of temperature sensor 5A is less than 450 degree, shutdown signal generative circuit generates valve closing control signal, and this signal is passed through sender unit, the electric control valve 3 of the water jet 4A sending to temperature sensor 5A corresponding, electric control valve 3 is closed after receiving this signal immediately.
The input of the first water transfer signal generating circuit is electrically connected with the output of the first comparator and the output of the 3rd comparator respectively, and the output of the first water transfer signal generating circuit is electrically connected with the input of sender unit.When the measured value of certain temperature sensor 5 is greater than the first preset value and is less than the 3rd preset value, first water transfer signal generating circuit generates a first runoff investigation signal, and this first runoff investigation signal being sent to the electric control valve 3 of the water jet 4 corresponding with temperature sensor 5 by sender unit, this first runoff investigation signal is corresponding with the first default open amount of the electric control valve 3 of water jet 4.
Electric control valve 3 is after receiving the first runoff investigation signal, and preset open amount with first immediately and outwards spray water, or electric control valve 3 changes open amount gradually, until open amount is consistent with the first default open amount.
In the present embodiment, 3rd preset value is 650 degree, when the measured value of temperature sensor 5C is 550 degree, first water transfer signal generating circuit generates the first runoff investigation signal, and the electric control valve 3 of the water jet 4C sending to temperature sensor 5C corresponding by sender unit this signal, after this electric control valve 3 receives this signal, preset open amount with corresponding first immediately to open, as, the open amount of 40%, or this electric control valve 3 changes open amount gradually, until open amount reaches 40%.
The input of the second water transfer signal generating circuit is electrically connected with the output of the 3rd comparator, and the output of the second water transfer signal generating circuit is electrically connected with the input of sender unit.When the measured value of certain temperature sensor 5 is greater than the 3rd preset value, second water transfer signal generating circuit generates a second runoff investigation signal, and this second runoff investigation signal is passed through sender unit, send to the electric control valve 3 of the water jet 4 corresponding with temperature sensor 5, this second runoff investigation signal is corresponding with the second default open amount of the electric control valve 3 of water jet 4.
Electric control valve 3 is after receiving the second runoff investigation signal, and preset open amount with second immediately and outwards spray water, or electric control valve 3 changes open amount gradually, until open amount is consistent with the second default open amount.
In the present embodiment, 3rd preset value is 650 degree, when the measured value of temperature sensor 5A is 700 degree, second water transfer signal generating circuit generates the second runoff investigation signal, and the electric control valve 3 of the water jet 4A sending to temperature sensor 5A corresponding by sender unit this signal, after this electric control valve 3 receives this signal, preset open amount with corresponding second immediately to open, as, the open amount of 100%, or this electric control valve 3 changes open amount gradually, until open amount reaches 100%.
The input of inhibit signal generative circuit is electrically connected with the output of the 3rd comparator, and the output of inhibit signal generative circuit is electrically connected with the input of sender unit.When the measured value of certain temperature sensor 5 equals the 3rd preset value, inhibit signal generative circuit generates a water quantity holding control signal, and this signal is sent to the electric control valve 3 of the water jet 4 corresponding with temperature sensor 5 by sender unit, the open amount of electric control valve 3 is remained unchanged.
In the present embodiment, 3rd preset value is 650 degree, when the measured value of temperature sensor 5A is 650 degree, inhibit signal generative circuit generates water quantity holding control signal, and the electric control valve 3 of the water jet 4A sending to temperature sensor 5A corresponding by sender unit this signal, this electric control valve 3 keeps current open amount after receiving this signal.
The first preset value in above-described embodiment is greater than the second preset value, and the 3rd preset value is greater than the first preset value.In addition, the first default open amount is less than the second default open amount.Make the rising of the temperature of object under test reach the first preset value water jet 4 in season and start water spray, the water yield of water jet 4 is increased when the temperature of object under test continues to raise, if when the constant temperature of object under test raises and reaches higher temperature, increase considerably the water yield of water jet 4, and when the temperature drops back of object under test is to specified temp, keep the water yield of water jet 4.Utilize said apparatus that water jet 4 can be made according to the actual temperature change of object under test, automatically can to adjust the water yield of water jet 4, effectively utilize water resource.
In another embodiment of the present invention, cooling device also comprises the electronic total valve 2 in a passage being arranged between all water jets and water storage device, as shown in Figure 1, this electronic total valve 2 is arranged in the connecting pipe between water storage device 1 and all water jets 4, and, when electronic total valve 2 is closed, water storage device 1 can not supply water to water jet 4, and when electronic total valve 2 is opened, water storage device 1 could supply water to water jet 4.
Signal generating circuit comprises main valve start signal generative circuit, and the input of main valve start signal generative circuit is electrically connected with the output of the first comparator, and the output of main valve start signal generative circuit is electrically connected with the input of sender unit.Main valve start signal generative circuit can when the measured value of any one temperature sensor 5 be greater than the first preset value, and generate a total valve and open control signal, and send to electronic total valve 2 by sender unit, electronic total valve 2 is opened.Such as, electronic total valve 2, after receiving total valve and opening control signal, can be opened with the open amount of 100%.
Temperature comparator also comprises the 4th comparator, and the input of the 4th comparator is electrically connected with the output of temperature receptacle, all to be compared with the 4th preset value by the measured value of each temperature sensor 5, and obtains the 4th comparative result;
Signal generating circuit comprises main valve shutdown signal generative circuit, and the input of main valve shutdown signal generative circuit is electrically connected with the output of the 4th comparator, and the output of main valve shutdown signal generative circuit is electrically connected with the input of sender unit.Main valve shutdown signal generative circuit, when the measured value of all temperature sensors 5 is all less than the 4th preset value, generates a total valve closing control signal, and sends to electronic total valve 2 by sender unit, and electronic total valve 2 is closed.
In a specific embodiment of the present embodiment, the first preset value is 500 degree, and the 4th preset value is 400 degree, when the measured value of any one temperature sensor 5 is greater than 500 degree, electronic total valve 2 is opened, and when the measured value of all temperature sensors 5 is all less than 400 degree, electronic total valve 2 is closed.
In another embodiment of the present invention, temperature comparator in above-described embodiment also comprises memory and an interval comparator, wherein, memory comprises presets adjustment interval table, preset adjustment interval table and comprise multiple default adjustment interval, further, any one presets adjustment interval all within the scope being greater than the first preset value.
Such as, first preset value is 500 degree, 3rd preset value is 650 degree, scope can be the set of the numerical value composition between 500 and 650, the set that also can form for the numerical value being greater than 650, the set that also can form for the numerical value being greater than 500, certainly, in practical application, the temperature of object under test can not be infinitely great, the measured value of temperature sensor 5 also can not be infinitely great, therefore, in a specific embodiment of the present invention, for object under test temperature supposes a higher limit 800 degree, namely, above-mentioned scope can be [500, 650] or [500, 800] or [500, 800].
Each default adjustment interval is a subrange in above-mentioned scope, such as, by [500,650] be divided into 3 and preset adjustment interval [500,550], [550,600] and [600,650], the open amount of the interval corresponding electric control valve 3 of each default adjustment, such as [500,550] open amount of corresponding 35%, the open amount of [550,600] corresponding 40%, the open amount of [600,650] corresponding 45%.
The input of interval comparator is electrically connected with the output of temperature receptacle and the output of memory respectively, all to be compared with all default adjustment intervals by the measured value of each temperature sensor 5, and obtains interval comparative result.Such as, the measured value of certain temperature sensor 5 is 580 degree, determines that the default adjustment that this measured value belongs to [550,600] is interval.
Signal generating circuit comprises wayside signaling generative circuit, and the input of wayside signaling generative circuit is electrically connected with the output of interval comparator, and the output of wayside signaling generative circuit is electrically connected with the input of sender unit.When the measured value of certain temperature sensor 5 belongs to any one default adjustment interval, generate a said preset amount of water conditioning signal, and this signal is sent to the electric control valve 3 of the water jet 4 of this temperature sensor 5 correspondence by sender unit, wherein, said preset amount of water conditioning signal adjusts interval one_to_one corresponding with default, all comprises corresponding electric control valve 3 open amount corresponding to default adjustment interval in each said preset amount of water conditioning signal.
Such as, when the measured value of certain temperature sensor 5 is 580 degree, wayside signaling generative circuit generates a said preset amount of water conditioning signal, the information of electric control valve 34% open amount is comprised in this signal, after the electric control valve 3 this signal being sent to water jet 4 by sender unit, electric control valve 3 is opened according to the open amount of 40%.
The meaning of the present embodiment is: electric control valve 3 open amount of water jet 4, can increase gradually along with the increase of temperature sensor 5 measured value, or, reduce gradually along with the reduction of temperature sensor 5 measured value.
In another embodiment of the present invention, above-mentioned cooling device also comprises a fiducial value be electrically connected with said temperature comparator and arranges device, arranges device can arrange the first preset value, the second preset value, the 3rd preset value, the 4th preset value and each default adjustment interval by this fiducial value.Such as, the first preset value can be set to 400 degree, the second preset value be set to 500 degree etc.
In another embodiment of the present invention, above-mentioned cooling device comprises manual control circuit, manual control circuit comprises and the multiple electronic knob one to one of each in the electric control valve 3 of multiple water jet 4, and the output of each electronic knob is all electrically connected with the input of signal generating circuit.
Signal generating circuit is when electronic knob rotates to preset gear, generate a control signal and the electric control valve 3 of the water jet 4 sending to electronic knob corresponding by sender unit, wherein, control signal is in valve opening control signal, valve closing control signal and said preset amount of water conditioning signal.
Each electronic knob all has multiple preset gear, all corresponding control signal of each preset gear, the control signal that different preset gear is corresponding different.That is, each electronic knob controls the electric control valve 3 of a water jet 4, during rotary electric knob, can select different gears, regulates electric control valve 3 to open with different open amounts, thus controls the water yield of water jet 4.
The present embodiment realizes the water yield of manually control circuit manual adjustments water jet 4 by electronic knob, break down when automatically regulating the water yield of water jet 4, on-the-spot need urgent increase water jet 4 water yield or make water jet 4 stop water spray time, realize Non-follow control, and, Non-follow control will have precedence over automatic control, and sender unit preferentially sends the control signal utilizing electronic knob to generate.
In another embodiment of the present invention, the comparator 6 in above-described embodiment also comprises self-test signal maker and self-detection result getter.
Wherein, self-test signal maker can be a button, it is electrically connected with the input of the signal generating circuit of comparator 6, self-test signal maker controls signal generating circuit and generates self-test signal when being activated, and the electric control valve 3 of each water jet 4 is sent to respectively by sender unit, wherein, self-test signal comprises valve opening control signal, valve closing control signal and said preset amount of water conditioning signal.
Self-detection result getter is electrically connected with the electric control valve 3 of signal generating circuit and each water jet 4 respectively, for judging whether the electric control valve 3 of each water jet 4 performs the action corresponding with the self-test signal received.Such as, self-test signal maker control signal generative circuit sends valve opening control signal, valve closing control signal and said preset amount of water conditioning signal successively to the electric control valve 3 of each water jet 4, and self-detection result getter judges the whether corresponding action performing unlatching, closedown and adjust of the electric control valve 3 of each water jet 4 respectively.
If the electric control valve 3 of each water jet 4 all perform the action corresponding with the self-test signal received, determine self-inspection success.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a cooling device, is communicated with water storage device, it is characterized in that, described device comprises multiple water jet, and each water jet is provided with an independently electric control valve;
Described device also comprises and the multiple temperature sensor one to one of each in multiple water jet, and described temperature sensor is arranged on the predeterminated position that can detect object temperature to be cooled;
Described device also comprises comparator, and the input of described comparator is electrically connected with the output of each described temperature sensor respectively, and the output of described comparator is electrically connected with the control end of all described electric control valves;
The measured value of described comparator according to each described temperature sensor and the comparative result of default fiducial value, generate the control signal corresponding with each water jet respectively, and send to the described electric control valve of corresponding water jet;
Each described electric control valve adjusts open amount according to the described control signal received, to control the water yield of corresponding water jet.
2. device according to claim 1, is characterized in that, described comparator comprises temperature receptacle, temperature comparator, signal generating circuit and sender unit; Wherein,
The input of described temperature receptacle is electrically connected with the output of each described temperature sensor respectively, and receives the measured value of each described temperature sensor;
The input of described temperature comparator is electrically connected with the output of described temperature receptacle, to be compared with default fiducial value respectively by the measured value of each described temperature sensor, obtains comparative result;
The input of described signal generating circuit is electrically connected with the output of described temperature comparator, to generate the control signal of each water jet respectively according to described comparative result;
The input of described sender unit is electrically connected with the output of described signal generating circuit, and the output of described sender unit is electrically connected with the control end of the electric control valve of each water jet respectively, described control signal to be sent to the electric control valve of each water jet.
3. device according to claim 2, is characterized in that, described temperature comparator comprises the first comparator, the second comparator and the 3rd comparator; Wherein,
The input of described first comparator is electrically connected with the output of described temperature receptacle, all to be compared with the first preset value by the measured value of temperature sensor described in each, and obtains the first comparative result;
The input of described second comparator is electrically connected with the output of described temperature receptacle, all to be compared with the second preset value by the measured value of temperature sensor described in each, and obtains the second comparative result;
The input of described 3rd comparator is electrically connected with the output of described temperature receptacle, all to be compared with the 3rd preset value by the measured value of temperature sensor described in each, and obtains the 3rd comparative result.
4. device according to claim 3, is characterized in that, the input of described signal generating circuit is electrically connected with the output of the output of described first comparator, the output of the second comparator and the 3rd comparator respectively;
Described signal generating circuit comprises start signal generative circuit, shutdown signal generative circuit, the first water transfer signal generating circuit, the second water transfer signal generating circuit and inhibit signal generative circuit; Wherein,
The input of described start signal generative circuit is electrically connected with the output of described first comparator, and the output of described start signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor is greater than the first preset value, generate a valve opening control signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
The input of described shutdown signal generative circuit is electrically connected with the output of described second comparator, and the output of described shutdown signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor is less than the second preset value, generate a valve closing control signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
The input of described first water transfer signal generating circuit is electrically connected with the output of described first comparator and the output of described 3rd comparator respectively, and the output of described first water transfer signal generating circuit is electrically connected with the input of described sender unit, during to be greater than the first preset value at the measured value of described temperature sensor and to be less than the 3rd preset value, generate the first runoff investigation signal, and the described electric control valve of the water jet corresponding with described temperature sensor is sent to by described sender unit, described first runoff investigation signal is corresponding with the first default open amount of the electric control valve of described water jet,
The input of described second water transfer signal generating circuit is electrically connected with the output of described 3rd comparator, and the output of described second water transfer signal generating circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor is greater than the 3rd preset value, generate the second runoff investigation signal, and the described electric control valve of the water jet corresponding with described temperature sensor is sent to by described sender unit, described second runoff investigation signal is corresponding with the second default open amount of the electric control valve of described water jet;
The input of described inhibit signal generative circuit is electrically connected with the output of described 3rd comparator, and the output of described inhibit signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of described temperature sensor equals the 3rd preset value, generate a water quantity holding control signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
Described first preset value is greater than described second preset value; Described 3rd preset value is greater than described first preset value;
Described first presets open amount is less than the described second default open amount.
5. device according to claim 3, is characterized in that, described device also comprises the electronic total valve in a passage being arranged between all water jets and water storage device;
Described signal generating circuit comprises main valve start signal generative circuit;
The input of described main valve start signal generative circuit is electrically connected with the output of described first comparator, and the output of described main valve start signal generative circuit is electrically connected with the input of described sender unit, when being greater than the first preset value with the measured value of temperature sensor described in any one, generate a total valve and open control signal, and send to described electronic total valve by described sender unit;
Described temperature comparator also comprises the 4th comparator, and the input of described 4th comparator is electrically connected with the output of described temperature receptacle, all to be compared with the 4th preset value by the measured value of temperature sensor described in each, and obtains the 4th comparative result;
Described signal generating circuit comprises main valve shutdown signal generative circuit;
The input of described main valve shutdown signal generative circuit is electrically connected with the output of described 4th comparator, the output of described main valve shutdown signal generative circuit is electrically connected with the input of described sender unit, with when the measured value of each described temperature sensor is all less than the 4th preset value, generate a total valve closing control signal, and send to described electronic total valve by described sender unit.
6. device according to claim 5, is characterized in that, described temperature comparator also comprises memory and an interval comparator;
Described memory comprises one and presets adjustment interval table, and it is interval that described default adjustment interval table comprises multiple default adjustment, and it is interval all within the scope being greater than described first preset value that any one presets adjustment;
The input of described interval comparator is electrically connected with the output of described temperature receptacle and the output of described memory respectively, all to be compared with all default adjustment intervals by the measured value of temperature sensor described in each, and obtains interval comparative result;
Described signal generating circuit also comprises wayside signaling generative circuit;
The input of described wayside signaling generative circuit is electrically connected with the output of described interval comparator, the output of described wayside signaling generative circuit is electrically connected with the input of described sender unit, during to belong to any one default adjustment interval at the measured value of described temperature sensor, generate a said preset amount of water conditioning signal, and sent to the described electric control valve of the water jet corresponding with described temperature sensor by described sender unit;
Described said preset amount of water conditioning signal and the interval one_to_one corresponding of described default adjustment.
7. device according to claim 6, is characterized in that, described comparator also comprises fiducial value and arranges device;
The output that described fiducial value arranges device is electrically connected with the input of described temperature comparator, interval to arrange described first preset value, the second preset value, the 3rd preset value, the 4th preset value and each described default adjustment.
8. device according to claim 6, is characterized in that, described device comprises manual control circuit;
Described manual control circuit comprises and the multiple electronic knob one to one of each in multiple described electric control valve;
Described in each, the output of electronic knob is all electrically connected with the input of described signal generating circuit;
Described signal generating circuit is when described electronic knob rotates to preset gear, generate a described control signal, and by the described electric control valve that described sender unit sends to described electronic knob corresponding, described control signal is one in valve opening control signal, valve closing control signal and said preset amount of water conditioning signal;
Each described electronic knob includes multiple gear, the described control signal that each gear is corresponding different.
9. device according to claim 2, is characterized in that, described comparator also comprises self-test signal maker and self-detection result getter;
The output of described self-test signal maker is electrically connected with the input of the signal generating circuit of described comparator, self-test signal is generated to control described signal generating circuit when described self-test signal maker is activated, and sending to each described electric control valve respectively by described sender unit, described self-test signal comprises valve opening control signal, valve closing control signal and said preset amount of water conditioning signal;
Described self-detection result getter respectively with signal generating circuit, and described in each electric control valve electrical connection, to judge whether each described electric control valve performs the action corresponding with the described self-test signal received;
If each described electric control valve all perform the action corresponding with the described self-test signal received, determine self-inspection success.
10. device according to claim 1, is characterized in that, described comparator is programmable logic controller (PLC).
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