CN204549442U - A kind of automatic sprinkler - Google Patents
A kind of automatic sprinkler Download PDFInfo
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- CN204549442U CN204549442U CN201520221777.0U CN201520221777U CN204549442U CN 204549442 U CN204549442 U CN 204549442U CN 201520221777 U CN201520221777 U CN 201520221777U CN 204549442 U CN204549442 U CN 204549442U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 225
- 238000005507 spraying Methods 0.000 claims description 34
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 238000005259 measurement Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 16
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 10
- 230000033228 biological regulation Effects 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model embodiment discloses a kind of automatic sprinkler, comprise multiple sprinkler be communicated with water storage device, each sprinkler is provided with an electric control valve, this automatic sprinkler also comprises and sprinkler multiple temperature sensor one to one, after the observed reading of each temperature sensor is compared with the default comparative figure in comparator, generate the control signal of each sprinkler and send to the electric control valve of corresponding sprinkler, the electric control valve of each sprinkler adjusts the open amount of the electric control valve of corresponding sprinkler according to the control signal received.Utilize the automatic sprinkler that the utility model embodiment provides, automatically can be adjusted the aquifer yield of each sprinkler by the observed reading of temperature sensor, can realize not needing staff in high temperature production line monitoring field temperature and the aquifer yield of manual regulation sprinkler on the one hand; Automatically controlling separately of each sprinkler can be realized on the other hand, avoid causing unnecessary water resource waste.
Description
Technical Field
The utility model relates to the technical field of machinery, especially, relate to an automatic water jet equipment.
Background
When large-scale mechanical equipment operates, the temperature of the large-scale mechanical equipment is influenced by friction and external temperature, and the temperature of the large-scale mechanical equipment is usually higher, for example, a roller table which is used for conveying steel in the production of the steel has the surface temperature of hundreds of ℃ after long-time work. However, the long-term high temperature state of the mechanical equipment not only affects the service life of the equipment, but also jeopardizes the personal safety of workers.
Therefore, the existing large-scale mechanical equipment is generally equipped with a cooling system, and the cooling mode is mostly water cooling. For example, a water sprayer is arranged above the roller way at a certain distance, all the water sprayers take water from the water storage equipment through a main valve and spray the water outwards, and a worker controls the opening, closing and opening of the main valve according to the actual condition of the roller way, so that all the water sprayers are controlled to spray water simultaneously or stop spraying water simultaneously, and all the water sprayers are controlled to spray water outwards at the same water quantity.
The current cooling system needs the staff to monitor the real-time temperature of the roll table at any time, close the main valve when the roll table temperature is lower, open the main valve when the roll table temperature is higher, however, the roll table is a mechanical device with a larger length, the temperature of each part of the roll table can be inconsistent in the working process, for example, the temperature of the middle part of the roll table is higher, the roller table head needs to be cooled, the temperature of the roller table head is lower, the roller table does not need to be cooled, and for the purpose of cooling the roll table, the staff can open the main valve, make every sprinkler all spray water outwards, lead to unnecessary water waste, and for avoiding the condition of the above-mentioned water waste, the staff can adjust the main valve to make every sprinkler all spray water outwards with a smaller water quantity, but lead to the poorer cooling effect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an in provide an automatic water jet equipment to solve current cooling system and need the staff control, and, the lower problem of cooling efficiency.
In order to solve the technical problem, the embodiment of the utility model discloses following technical scheme:
an automatic water spraying device is communicated with a water storage device and comprises a plurality of water sprayers, and each water sprayer is provided with an independent electric control valve;
the automatic water spraying device also comprises a plurality of temperature sensors which correspond to each of the plurality of water sprayers one by one, and the temperature sensors are arranged at preset positions which can detect the temperature of an object to be cooled;
the automatic water spraying device further comprises a comparator, the input end of the comparator is electrically connected with the output end of each temperature sensor, and the output end of the comparator is electrically connected with the control ends of all the electric control valves;
the comparator respectively generates a control signal corresponding to each sprinkler according to a comparison result of the measurement value of each temperature sensor and a preset comparison value, and sends the control signal to the electric control valve of the corresponding sprinkler;
and each electric control valve adjusts the opening amount according to the received control signal so as to control the water yield of the corresponding water sprayer.
Optionally, the comparator comprises a temperature receiver, a temperature comparator, a signal generation circuit and a signal transmitter; wherein,
the input end of the temperature receiver is electrically connected with the output end of each temperature sensor respectively, and the measured value of each temperature sensor is received;
the input end of the temperature comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a preset comparison value respectively to obtain a comparison result;
the input end of the signal generating circuit is electrically connected with the output end of the temperature comparator so as to respectively generate a control signal of each sprinkler according to the comparison result;
the input end of the signal transmitter is electrically connected with the output end of the signal generating circuit, and the output end of the signal transmitter is respectively and electrically connected with the control end of the electric control valve of each sprinkler so as to transmit the control signal to the electric control valve of each sprinkler.
Optionally, the temperature comparator comprises a first comparator, a second comparator and a third comparator; wherein,
the input end of the first comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a first preset value and obtain a first comparison result;
the input end of the second comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a second preset value and obtain a second comparison result;
and the input end of the third comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a third preset value and obtain a third comparison result.
Optionally, an input end of the signal generating circuit is electrically connected to an output end of the first comparator, an output end of the second comparator and an output end of the third comparator, respectively;
the signal generating circuit comprises an opening signal generating circuit, a closing signal generating circuit, a first water regulating signal generating circuit, a second water regulating signal generating circuit and a holding signal generating circuit; wherein,
the input end of the opening signal generating circuit is electrically connected with the output end of the first comparator, and the output end of the opening signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is greater than a first preset value, a valve opening control signal is generated and is transmitted to the electric control valve of the sprinkler corresponding to the temperature sensor through the signal transmitter;
the input end of the closing signal generating circuit is electrically connected with the output end of the second comparator, and the output end of the closing signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is smaller than a second preset value, a valve closing control signal is generated and is transmitted to the electric control valve of the sprinkler corresponding to the temperature sensor through the signal transmitter;
the input end of the first water regulating signal generating circuit is respectively and electrically connected with the output end of the first comparator and the output end of the third comparator, the output end of the first water regulating signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is greater than a first preset value and less than a third preset value, a first water quantity regulating signal is generated and is transmitted to the electric control valve of the water sprayer corresponding to the temperature sensor through the signal transmitter, and the first water quantity regulating signal corresponds to a first preset opening amount of the electric control valve of the water sprayer;
the input end of the second water regulating signal generating circuit is electrically connected with the output end of the third comparator, the output end of the second water regulating signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measurement value of the temperature sensor is greater than a third preset value, a second water quantity regulating signal is generated and is transmitted to the electric control valve of the water sprayer corresponding to the temperature sensor through the signal transmitter, and the second water quantity regulating signal corresponds to a second preset opening amount of the electric control valve of the water sprayer;
the input end of the holding signal generating circuit is electrically connected with the output end of the third comparator, and the output end of the holding signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is equal to a third preset value, a water quantity holding control signal is generated and is transmitted to the electric control valve of the sprinkler corresponding to the temperature sensor through the signal transmitter;
the first preset value is larger than the second preset value; the third preset value is greater than the first preset value;
the first preset opening amount is smaller than the second preset opening amount.
Optionally, the automatic water spraying device further comprises an electric main valve arranged in the channel between all the water sprayers and the water storage device;
the signal generating circuit comprises a main valve opening signal generating circuit;
the input end of the main valve opening signal generating circuit is electrically connected with the output end of the first comparator, and the output end of the main valve opening signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of any one temperature sensor is greater than a first preset value, a main valve opening control signal is generated and is transmitted to the electric main valve through the signal transmitter;
the temperature comparator further comprises a fourth comparator, wherein the input end of the fourth comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a fourth preset value and obtain a fourth comparison result;
the signal generating circuit comprises a main valve closing signal generating circuit;
the input end of the main valve closing signal generating circuit is electrically connected with the output end of the fourth comparator, and the output end of the main valve closing signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of each temperature sensor is smaller than a fourth preset value, a main valve closing control signal is generated and is transmitted to the electric main valve through the signal transmitter.
Optionally, the temperature comparator further comprises a memory and an interval comparator;
the memory comprises a preset adjustment interval table, the preset adjustment interval table comprises a plurality of preset adjustment intervals, and any one preset adjustment interval is in a range larger than the first preset value;
the input end of the interval comparator is electrically connected with the output end of the temperature receiver and the output end of the memory respectively so as to compare the measured value of each temperature sensor with all preset adjustment intervals and obtain an interval comparison result;
the signal generation circuit further comprises an interval signal generation circuit;
the input end of the interval signal generating circuit is electrically connected with the output end of the interval comparator, and the output end of the interval signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor belongs to any preset adjusting interval, a preset water quantity adjusting signal is generated and is transmitted to the electric control valve of the water sprayer corresponding to the temperature sensor through the signal transmitter;
and the preset water quantity adjusting signals correspond to the preset adjusting intervals one by one.
Optionally, the comparator further comprises a comparison value setter;
the output end of the comparison value setter is electrically connected with the input end of the temperature comparator so as to set the first preset value, the second preset value, the third preset value, the fourth preset value and each preset adjusting interval.
Optionally, the automatic water spraying device comprises a manual control circuit;
the manual control circuit comprises a plurality of electric knobs in one-to-one correspondence with each of the plurality of electric control valves;
the output end of each electric knob is electrically connected with the input end of the signal generating circuit;
the signal generating circuit generates a control signal when the electric knob rotates to a preset gear, and the control signal is sent to the electric control valve corresponding to the electric knob through the signal transmitter, wherein the control signal is one of a valve opening control signal, a valve closing control signal and a preset water quantity adjusting signal;
each electric knob comprises a plurality of gears, and each gear corresponds to different control signals.
Optionally, the comparator further includes a self-test signal generator and a self-test result obtainer;
the output end of the self-checking signal generator is electrically connected with the input end of the signal generating circuit of the comparator, so that when the self-checking signal generator is started, the signal generating circuit is controlled to generate a self-checking signal, the self-checking signal is respectively sent to each electric control valve through the signal transmitter, and the self-checking signal comprises a valve opening control signal, a valve closing control signal and a preset water quantity adjusting signal;
the self-checking result acquirer is respectively electrically connected with the signal generating circuit and each electric control valve so as to judge whether each electric control valve executes an action corresponding to the received self-checking signal;
and if each electric control valve executes the action corresponding to the received self-checking signal, determining that the self-checking is successful.
Optionally, the comparator is a programmable logic controller.
According to the technical solution provided by the utility model, the embodiment of the utility model provides an automatic water spraying device, including a plurality of water sprayers with the water storage device intercommunication, every water sprayer is provided with an electric control valve, this automatic water spraying device still include with a plurality of temperature sensor of water sprayer one-to-one, after the comparison of the preset comparative value in every temperature sensor's measured value and comparator, the electric control valve who generates the control signal of every water sprayer and send for the water sprayer that corresponds, the electric control valve of every water sprayer corresponds the water yield of water sprayer according to received control signal adjustment.
By utilizing the automatic water spraying device provided by the embodiment of the utility model, the water yield of each water sprayer can be automatically adjusted through the measured value of the temperature sensor, on one hand, the workers are not required to monitor the field temperature on the high-temperature production line and manually adjust the water yield of the water sprayer, the workers are prevented from being burnt by high-temperature mechanical equipment, and the personnel on the production line are saved; on the other hand, the independent automatic control of each water sprayer can be realized, and unnecessary water resource waste caused by the fact that all the water sprayers need to spray water with the same water yield at the same time is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of an automatic water spraying device provided by an embodiment of the present invention.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work shall belong to the protection scope of the present invention.
Fig. 1 is the embodiment of the utility model provides an automatic water spraying device's that provides structural schematic diagram, this automatic water spraying device and water storage device 1 intercommunication, and through outwards spraying water in order to reduce the temperature of high temperature object, as shown in fig. 1, automatic water spraying device includes a plurality of water sprayers 4 with water storage device 1 intercommunication, the quantity of water sprayers 4 is decided according to the practical application environment, every water sprayer 4 all is provided with an independent electric control valve 3, when electric control valve 3 closed, water sprayer 4 does not outwards spray water, when electric control valve 3 was opened with the maximum, water sprayer 4 outwards sprays water with the maximum, and, the volume of opening of adjustment electric control valve 3 can directly adjust the water yield of water sprayer 4.
The automatic water spraying device further comprises a plurality of temperature sensors 5 corresponding to each of the plurality of water sprayers 4 one to one, namely, the number of the temperature sensors 5 is the same as that of the water sprayers 4, each water sprayer 4 is matched with one independent temperature sensor 5, namely, the temperature sensor 5 detects the temperature of a certain part of an object to be cooled, and the corresponding water sprayer 4 is responsible for spraying water to the certain part of the object to be cooled.
The temperature sensor 5 is arranged at a preset position capable of detecting the temperature of an object to be cooled, for example, in a steel production line, when a steel billet of the conveying roller way 7 needs to be cooled, the plurality of temperature sensors 5 are arranged on one side of the conveying roller way 7 at intervals of 3 meters, so that each temperature sensor 5 can detect the temperature of the steel billet at the position where the temperature sensor is arranged, and a water sprayer 4 capable of spraying water to the steel billet below is correspondingly arranged above the installation position of each temperature sensor 5.
The automatic sprinkler device further comprises a comparator 6 electrically connected with the control end of the electric control valve 3 of each sprinkler 4, and the input end of the comparator 6 is also electrically connected with the output end of each temperature sensor 5, in an embodiment of the present invention, the comparator 6 may be a programmable logic controller.
The comparator 6 compares the measured value of each temperature sensor 5 with a preset comparison value and obtains a comparison result, and a description of the obtained comparison result will be specifically set forth in the following embodiments. The comparator 6 correspondingly generates a control signal corresponding to each sprinkler 4 according to the comparison result, and sends the control signal of each sprinkler 4 to the electric control valve 3 of the corresponding sprinkler 4, and the electric control valve 3 of each sprinkler 4 adjusts the opening amount of the electric control valve 3 of the corresponding sprinkler 4 according to the received control signal, thereby adjusting the water output amount of the sprinkler 4.
For example, if the measured value of a certain temperature sensor 5 is too high and exceeds the opening value of the preset comparison values, the comparator 6 generates a control signal for controlling the opening of the sprinkler 4 and sends the control signal to the electrically controlled valve 3 of the corresponding sprinkler 4, and the electrically controlled valve 3 is opened according to the control signal, so that the sprinkler 4 can spray water outwards.
The embodiment automatically and intelligently adjusts the water yield of the water sprayer 4 in a segmented manner by measuring the temperature of the object to be cooled and comparing the measured temperature with a preset comparison value, thereby achieving the purposes of separating from manual monitoring and effectively utilizing water resources to finish cooling work.
In another embodiment of the present invention, the comparator 6 in the above embodiments includes a temperature receiver, a temperature comparator, a signal generation circuit, and a signal transmitter. Wherein the input end of the temperature receiver is respectively electrically connected with the output end of each temperature sensor 5 and receives the measured value of each temperature sensor 5, thereby obtaining the temperature of the object to be cooled.
The input end of the temperature comparator is electrically connected with the output end of the temperature receiver, the measured value of each temperature sensor 5 can be obtained through the temperature receiver, and the preset comparison value is stored in the temperature comparator. In the present embodiment, the preset comparison values include a first preset value, a second preset value, and a third preset value, the measurement value of each temperature sensor 5 is compared with all the preset comparison values, and the comparison result is obtained.
In the present embodiment, the automatic water spraying apparatus includes three water sprayers 4, each water sprayer 4 is provided with one electrically controlled valve 3, and includes three temperature sensors 5 corresponding to the positions of the water sprayers 4 one to one. As shown in fig. 1, three water sprayers 4 are respectively a water sprayer 4A, a water sprayer 4B and a water sprayer 4C; the three temperature sensors 5 are a temperature sensor 5A, a temperature sensor 5B, and a temperature sensor 5C, respectively.
The input end of the signal generating circuit is electrically connected with the output end of the temperature comparator, and the control signal of each water sprayer can be respectively generated according to the comparison result of the temperature comparator
The input end of the signal transmitter is electrically connected with the output end of the signal generating circuit, the output end of the signal transmitter is respectively and electrically connected with the control end of the electric control valve of each sprinkler, and the control signal generated by the signal generating circuit can be sent to the electric control valve of each sprinkler.
In another embodiment of the present invention, the temperature comparator comprises a first comparator, a second comparator, and a third comparator, wherein,
the input of the first comparator is electrically connected to the output of the temperature receiver to compare the measured value of the temperature sensor 5 with a first preset value and obtain a first comparison result. For example, the measured value of a certain temperature sensor 5 is 550, and the first preset value is 500, it can be known that the measured value of the certain temperature sensor 5 is greater than the first preset value as a result of the comparison.
The input of the second comparator is electrically connected to the output of the temperature receiver to compare the measured value of the temperature sensor 5 with a second preset value and obtain a second comparison result. For example, the measured value of a certain temperature sensor 5 is 400, and the second preset value is 450, and it can be known that the measured value of the certain temperature sensor 5 is smaller than the second preset value as a result of the comparison.
The input of the third comparator is electrically connected to the output of the temperature receiver to compare the measured value of the temperature sensor 5 with a third preset value and obtain a third comparison result. For example, the measured value of a certain temperature sensor 5 is 750, and the third preset value is 650, and it can be known that the measured value of the certain temperature sensor 5 is greater than the third preset value as a result of the comparison.
In another embodiment of the present invention, the input terminal of the signal generating circuit in the above-mentioned embodiment is electrically connected to the output terminal of the first comparator, the output terminal of the second comparator and the output terminal of the third comparator in the above-mentioned embodiment, respectively.
In this embodiment, the signal generating circuit includes an on signal generating circuit, an off signal generating circuit, a first water regulating signal generating circuit, a second water regulating signal generating circuit, and a hold signal generating circuit; wherein,
the input end of the starting signal generating circuit is electrically connected with the output end of the first comparator, and the output end of the starting signal generating circuit is electrically connected with the input end of the signal transmitter. When the measured value of a certain temperature sensor 5 is greater than the first preset value, a valve opening control signal is generated and sent to the electric control valve 3 of the water sprayer 4 corresponding to the temperature sensor 5 through a signal transmitter, and the electric control valve 3 is opened immediately after receiving the valve opening control signal, so that the corresponding water sprayer 4 starts to spray water outwards.
In the present embodiment, the first preset value is 500 degrees, when the measurement value of the temperature sensor 5B is greater than 500 degrees, the opening signal generating circuit generates a valve opening control signal and sends the signal to the electrically controlled valve 3 of the sprinkler 4B corresponding to the temperature sensor 5B through the signal transmitter, and after receiving the signal, the electrically controlled valve 3 immediately opens by a preset opening amount, for example, by 30% opening amount.
The input end of the closing signal generating circuit is electrically connected with the output end of the second comparator, and the output end of the closing signal generating circuit is electrically connected with the input end of the signal transmitter. When the measured value of a certain temperature sensor 5 is smaller than the second preset value, the closing signal generating circuit generates a valve closing control signal, and sends the valve closing control signal to the electric control valve 3 of the water sprayer 4 corresponding to the temperature sensor 5 through the signal transmitter, and the electric control valve 3 is immediately closed after receiving the valve closing control signal, so that the corresponding water sprayer 4 stops spraying water outwards.
In this embodiment, the second preset value is 450 degrees, when the measurement value of the temperature sensor 5A is smaller than 450 degrees, the close signal generating circuit generates a valve close control signal, and sends the signal to the electric control valve 3 of the sprinkler 4A corresponding to the temperature sensor 5A through the signal transmitter, and the electric control valve 3 is closed immediately after receiving the signal.
The input end of the first water regulating signal generating circuit is electrically connected with the output end of the first comparator and the output end of the third comparator respectively, and the output end of the first water regulating signal generating circuit is electrically connected with the input end of the signal transmitter. When the measured value of a certain temperature sensor 5 is greater than the first preset value and less than the third preset value, the first water regulation signal generation circuit generates a first water regulation signal and sends the first water regulation signal to the electric control valve 3 of the sprinkler 4 corresponding to the temperature sensor 5 through the signal transmitter, and the first water regulation signal corresponds to the first preset opening amount of the electric control valve 3 of the sprinkler 4.
After receiving the first water amount adjustment signal, the electric control valve 3 immediately sprays water outwards with a first preset opening amount, or the electric control valve 3 gradually changes the opening amount until the opening amount is consistent with the first preset opening amount.
In this embodiment, the third preset value is 650 degrees, when the measurement value of the temperature sensor 5C is 550 degrees, the first water regulation signal generation circuit generates a first water quantity regulation signal and sends the signal to the electric control valve 3 of the sprinkler 4C corresponding to the temperature sensor 5C through the signal transmitter, and after receiving the signal, the electric control valve 3 is opened by a corresponding first preset opening amount, for example, 40% opening amount, or the electric control valve 3 gradually changes the opening amount until the opening amount reaches 40%.
The input end of the second water regulating signal generating circuit is electrically connected with the output end of the third comparator, and the output end of the second water regulating signal generating circuit is electrically connected with the input end of the signal transmitter. When the measured value of a certain temperature sensor 5 is greater than a third preset value, the second water regulation signal generation circuit generates a second water quantity regulation signal and sends the second water quantity regulation signal to the electric control valve 3 of the water sprayer 4 corresponding to the temperature sensor 5 through the signal transmitter, and the second water quantity regulation signal corresponds to a second preset opening amount of the electric control valve 3 of the water sprayer 4.
After receiving the second water amount adjustment signal, the electric control valve 3 immediately sprays water outwards with a second preset opening amount, or the electric control valve 3 gradually changes the opening amount until the opening amount is consistent with the second preset opening amount.
In this embodiment, the third preset value is 650 degrees, when the measurement value of the temperature sensor 5A is 700 degrees, the second water regulation signal generation circuit generates a second water regulation signal and sends the signal to the electrically controlled valve 3 of the sprinkler 4A corresponding to the temperature sensor 5A through the signal transmitter, and after receiving the signal, the electrically controlled valve 3 is opened by a corresponding second preset opening amount, for example, an opening amount of 100%, or the electrically controlled valve 3 gradually changes the opening amount until the opening amount reaches 100%.
An input terminal of the hold signal generation circuit is electrically connected to an output terminal of the third comparator, and an output terminal of the hold signal generation circuit is electrically connected to an input terminal of the signal transmitter. When the measured value of a certain temperature sensor 5 is equal to a third preset value, the holding signal generating circuit generates a water quantity holding control signal and sends the signal to the electric control valve 3 of the water sprayer 4 corresponding to the temperature sensor 5 through the signal transmitter, so that the opening amount of the electric control valve 3 is kept unchanged.
In this embodiment, the third preset value is 650 degrees, when the measurement value of the temperature sensor 5A is 650 degrees, the retention signal generation circuit generates a water quantity retention control signal and sends the signal to the electrically controlled valve 3 of the sprinkler 4A corresponding to the temperature sensor 5A through the signal transmitter, and the electrically controlled valve 3 maintains the current opening amount after receiving the signal.
The first preset value in the above embodiment is greater than the second preset value, and the third preset value is greater than the first preset value. In addition, the first preset opening amount is smaller than the second preset opening amount. And enabling the water sprayer 4 to start spraying water when the temperature of the object to be detected rises to reach a first preset value, increasing the water yield of the water sprayer 4 when the temperature of the object to be detected continues rising, greatly increasing the water yield of the water sprayer 4 when the temperature of the object to be detected continues rising to reach a higher temperature, and keeping the water yield of the water sprayer 4 when the temperature of the object to be detected falls back to a specific temperature. By utilizing the automatic water spraying device, the water sprayer 4 can automatically adjust the water yield of the water sprayer 4 according to the actual temperature change of the object to be detected, and the water resource is effectively utilized.
In another embodiment of the present invention, the automatic water spraying device further includes an electric main valve 2 disposed in the channel between all the sprinklers and the water storage device, as shown in fig. 1, the electric main valve 2 is disposed in the communication pipeline between the water storage device 1 and all the sprinklers 4, and the water storage device 1 cannot supply water to the sprinklers 4 when the electric main valve 2 is closed, and the water storage device 1 cannot supply water to the sprinklers 4 when the electric main valve 2 is opened.
The signal generating circuit comprises a main valve opening signal generating circuit, the input end of the main valve opening signal generating circuit is electrically connected with the output end of the first comparator, and the output end of the main valve opening signal generating circuit is electrically connected with the input end of the signal transmitter. The main valve opening signal generating circuit can generate a main valve opening control signal when the measured value of any one of the temperature sensors 5 is larger than a first preset value, and the main valve opening control signal is sent to the electric main valve 2 through the signal transmitter, so that the electric main valve 2 is opened. For example, the electrically operated main valve 2 may be opened by an opening amount of 100% after receiving the main valve opening control signal.
The temperature comparator also comprises a fourth comparator, the input end of the fourth comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor 5 with a fourth preset value and obtain a fourth comparison result;
the signal generating circuit comprises a main valve closing signal generating circuit, the input end of the main valve closing signal generating circuit is electrically connected with the output end of the fourth comparator, and the output end of the main valve closing signal generating circuit is electrically connected with the input end of the signal transmitter. And when the measured values of all the temperature sensors 5 are smaller than the fourth preset value, the main valve closing signal generating circuit generates a main valve closing control signal and sends the main valve closing control signal to the electric main valve 2 through the signal transmitter so as to close the electric main valve 2.
In a specific embodiment of the present embodiment, the first preset value is 500 degrees, the fourth preset value is 400 degrees, when the measurement value of any one of the temperature sensors 5 is greater than 500 degrees, the electric main valve 2 is opened, and when the measurement values of all the temperature sensors 5 are less than 400 degrees, the electric main valve 2 is closed.
In another embodiment of the present invention, the temperature comparator in the above embodiments further includes a memory and an interval comparator, wherein the memory includes a preset adjustment interval table, the preset adjustment interval table includes a plurality of preset adjustment intervals, and any one of the preset adjustment intervals is within a range larger than the first preset value.
For example, the first preset value is 500 degrees, the third preset value is 650 degrees, the range may be a set of values between 500 and 650, a set of values greater than 650, and a set of values greater than 500, and certainly, the temperature of the object to be measured may not be infinite in practical applications, and the measured value of the temperature sensor 5 may not be infinite, so in an embodiment of the present invention, an upper limit of 800 degrees is assumed for the temperature of the object to be measured, that is, the range may be [500,650] or [500,800 ].
Each preset adjustment interval is a sub-range of the above-mentioned range, for example, the [500,650] is divided into 3 preset adjustment intervals [500,550], [550,600] and [600,650], each preset adjustment interval corresponds to the opening amount of one electrically controlled valve 3, for example, the [500,550] corresponds to the opening amount of 35%, the [550,600] corresponds to the opening amount of 40%, and the [600,650] corresponds to the opening amount of 45%.
The input end of the interval comparator is electrically connected with the output end of the temperature receiver and the output end of the memory respectively, so that the measured value of each temperature sensor 5 is compared with all preset adjusting intervals, and an interval comparison result is obtained. For example, the measurement value of a certain temperature sensor 5 is 580 degrees, and it is determined that the measurement value belongs to the preset adjustment interval of [550,600 ].
The signal generating circuit comprises an interval signal generating circuit, wherein the input end of the interval signal generating circuit is electrically connected with the output end of the interval comparator, and the output end of the interval signal generating circuit is electrically connected with the input end of the signal transmitter. When the measured value of a certain temperature sensor 5 belongs to any one preset adjustment interval, a preset water quantity adjustment signal is generated and sent to the electric control valve 3 of the water sprayer 4 corresponding to the temperature sensor 5 through a signal transmitter, wherein the preset water quantity adjustment signal corresponds to the preset adjustment interval one to one, and each preset water quantity adjustment signal contains the opening amount of the electric control valve 3 corresponding to the corresponding preset adjustment interval.
For example, when the measured value of a certain temperature sensor 5 is 580 degrees, the interval signal generating circuit generates a preset water amount adjusting signal containing information on the 34% opening amount of the electrically controlled valve, and after the signal is sent to the electrically controlled valve 3 of the sprinkler 4 through the signal transmitter, the electrically controlled valve 3 is opened by the 40% opening amount.
The significance of this embodiment is: the opening amount of the electrically controlled valve 3 of the sprinkler 4 can be gradually increased as the measurement value of the temperature sensor 5 increases, or gradually decreased as the measurement value of the temperature sensor 5 decreases.
In another embodiment of the present invention, the automatic water spraying device further includes a comparison value setter electrically connected to the temperature comparator, and the comparison value setter can set a first preset value, a second preset value, a third preset value, a fourth preset value and each preset adjustment interval. For example, the first preset value may be set to 400 degrees, the second preset value may be set to 500 degrees, and so on.
In another embodiment of the present invention, the automatic water spraying device includes a manual control circuit, the manual control circuit includes a plurality of electric knobs corresponding to each of the electric control valves 3 of the plurality of water sprayers 4, and an output end of each electric knob is electrically connected to an input end of the signal generating circuit.
The signal generating circuit generates a control signal when the electric knob rotates to a preset gear, and the control signal is sent to the electric control valve 3 of the water sprayer 4 corresponding to the electric knob through the signal transmitter, wherein the control signal is one of a valve opening control signal, a valve closing control signal and a preset water quantity adjusting signal.
Each electric knob is provided with a plurality of preset gears, each preset gear corresponds to one control signal, and different preset gears correspond to different control signals. That is, each electric knob controls the electric control valve 3 of one water sprayer 4, and when the electric knob is rotated, different gears can be selected, and the electric control valve 3 is adjusted to be opened at different opening amounts, so that the water yield of the water sprayer 4 is controlled.
In the present embodiment, the manual control is realized by the electric knob by manually adjusting the water output of the sprinkler 4 through the manual control circuit, when a trouble occurs in automatically adjusting the water output of the sprinkler 4, or when it is necessary to urgently increase the water output of the sprinkler 4 or stop the sprinkler 4 from spraying water on site, and the manual control is prioritized over the automatic control, and the signal transmitter preferentially transmits the control signal generated by the electric knob.
In another embodiment of the present invention, the comparator 6 in the above embodiments further includes a self-test signal generator and a self-test result obtainer.
The self-checking signal generator may be a button, and is electrically connected to an input end of the signal generating circuit of the comparator 6, and when the self-checking signal generator is started, the control signal generating circuit generates a self-checking signal, and the self-checking signal is sent to the electric control valve 3 of each sprinkler 4 through the signal transmitter, wherein the self-checking signal includes a valve opening control signal, a valve closing control signal, and a preset water amount adjusting signal.
The self-checking result acquirer is respectively electrically connected with the signal generating circuit and the electric control valve 3 of each sprinkler 4 and is used for judging whether the electric control valve 3 of each sprinkler 4 executes the action corresponding to the received self-checking signal. For example, the self-test signal generator control signal generating circuit sequentially sends a valve opening control signal, a valve closing control signal and a preset water amount adjusting signal to the electric control valve 3 of each sprinkler 4, and the self-test result acquirer respectively judges whether the electric control valve 3 of each sprinkler 4 correspondingly performs opening, closing and adjusting actions.
If the electrically controlled valve 3 of each sprinkler 4 performs an action corresponding to the received self-test signal, it is determined that the self-test is successful.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automatic water spraying device is communicated with a water storage device and is characterized in that the automatic water spraying device comprises a plurality of water sprayers, and each water sprayer is provided with an independent electric control valve;
the automatic water spraying device also comprises a plurality of temperature sensors which correspond to each of the plurality of water sprayers one by one, and the temperature sensors are arranged at preset positions which can detect the temperature of an object to be cooled;
the automatic water spraying device further comprises a comparator, the input end of the comparator is electrically connected with the output end of each temperature sensor, and the output end of the comparator is electrically connected with the control ends of all the electric control valves;
the comparator respectively generates a control signal corresponding to each sprinkler according to a comparison result of the measurement value of each temperature sensor and a preset comparison value, and sends the control signal to the electric control valve of the corresponding sprinkler;
and each electric control valve adjusts the opening amount according to the received control signal so as to control the water yield of the corresponding water sprayer.
2. The automatic water spray device of claim 1 wherein said comparator comprises a temperature receiver, a temperature comparator, a signal generation circuit and a signal transmitter; wherein,
the input end of the temperature receiver is electrically connected with the output end of each temperature sensor respectively, and the measured value of each temperature sensor is received;
the input end of the temperature comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a preset comparison value respectively to obtain a comparison result;
the input end of the signal generating circuit is electrically connected with the output end of the temperature comparator so as to respectively generate a control signal of each sprinkler according to the comparison result;
the input end of the signal transmitter is electrically connected with the output end of the signal generating circuit, and the output end of the signal transmitter is respectively and electrically connected with the control end of the electric control valve of each sprinkler so as to transmit the control signal to the electric control valve of each sprinkler.
3. The automatic water spray device of claim 2 wherein said temperature comparator comprises a first comparator, a second comparator and a third comparator; wherein,
the input end of the first comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a first preset value and obtain a first comparison result;
the input end of the second comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a second preset value and obtain a second comparison result;
and the input end of the third comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a third preset value and obtain a third comparison result.
4. The automatic water spraying device according to claim 3, wherein the input terminal of the signal generating circuit is electrically connected with the output terminal of the first comparator, the output terminal of the second comparator and the output terminal of the third comparator, respectively;
the signal generating circuit comprises an opening signal generating circuit, a closing signal generating circuit, a first water regulating signal generating circuit, a second water regulating signal generating circuit and a holding signal generating circuit; wherein,
the input end of the opening signal generating circuit is electrically connected with the output end of the first comparator, and the output end of the opening signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is greater than a first preset value, a valve opening control signal is generated and is transmitted to the electric control valve of the sprinkler corresponding to the temperature sensor through the signal transmitter;
the input end of the closing signal generating circuit is electrically connected with the output end of the second comparator, and the output end of the closing signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is smaller than a second preset value, a valve closing control signal is generated and is transmitted to the electric control valve of the sprinkler corresponding to the temperature sensor through the signal transmitter;
the input end of the first water regulating signal generating circuit is respectively and electrically connected with the output end of the first comparator and the output end of the third comparator, the output end of the first water regulating signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is greater than a first preset value and less than a third preset value, a first water quantity regulating signal is generated and is transmitted to the electric control valve of the water sprayer corresponding to the temperature sensor through the signal transmitter, and the first water quantity regulating signal corresponds to a first preset opening amount of the electric control valve of the water sprayer;
the input end of the second water regulating signal generating circuit is electrically connected with the output end of the third comparator, the output end of the second water regulating signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measurement value of the temperature sensor is greater than a third preset value, a second water quantity regulating signal is generated and is transmitted to the electric control valve of the water sprayer corresponding to the temperature sensor through the signal transmitter, and the second water quantity regulating signal corresponds to a second preset opening amount of the electric control valve of the water sprayer;
the input end of the holding signal generating circuit is electrically connected with the output end of the third comparator, and the output end of the holding signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor is equal to a third preset value, a water quantity holding control signal is generated and is transmitted to the electric control valve of the sprinkler corresponding to the temperature sensor through the signal transmitter;
the first preset value is larger than the second preset value; the third preset value is greater than the first preset value;
the first preset opening amount is smaller than the second preset opening amount.
5. The automatic water sprayer of claim 3 further comprising an electrically operated main valve disposed in the passage between all of the sprayers and the water storage means;
the signal generating circuit comprises a main valve opening signal generating circuit;
the input end of the main valve opening signal generating circuit is electrically connected with the output end of the first comparator, and the output end of the main valve opening signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of any one temperature sensor is greater than a first preset value, a main valve opening control signal is generated and is transmitted to the electric main valve through the signal transmitter;
the temperature comparator further comprises a fourth comparator, wherein the input end of the fourth comparator is electrically connected with the output end of the temperature receiver so as to compare the measured value of each temperature sensor with a fourth preset value and obtain a fourth comparison result;
the signal generating circuit comprises a main valve closing signal generating circuit;
the input end of the main valve closing signal generating circuit is electrically connected with the output end of the fourth comparator, and the output end of the main valve closing signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of each temperature sensor is smaller than a fourth preset value, a main valve closing control signal is generated and is transmitted to the electric main valve through the signal transmitter.
6. The automatic water spray device of claim 5 wherein said temperature comparator further comprises a memory and an interval comparator;
the memory comprises a preset adjustment interval table, the preset adjustment interval table comprises a plurality of preset adjustment intervals, and any one preset adjustment interval is in a range larger than the first preset value;
the input end of the interval comparator is electrically connected with the output end of the temperature receiver and the output end of the memory respectively so as to compare the measured value of each temperature sensor with all preset adjustment intervals and obtain an interval comparison result;
the signal generation circuit further comprises an interval signal generation circuit;
the input end of the interval signal generating circuit is electrically connected with the output end of the interval comparator, and the output end of the interval signal generating circuit is electrically connected with the input end of the signal transmitter, so that when the measured value of the temperature sensor belongs to any preset adjusting interval, a preset water quantity adjusting signal is generated and is transmitted to the electric control valve of the water sprayer corresponding to the temperature sensor through the signal transmitter;
and the preset water quantity adjusting signals correspond to the preset adjusting intervals one by one.
7. The automatic water jet device of claim 6, wherein the comparator further comprises a comparison value setter;
the output end of the comparison value setter is electrically connected with the input end of the temperature comparator so as to set the first preset value, the second preset value, the third preset value, the fourth preset value and each preset adjusting interval.
8. The automatic water spraying device of claim 6, wherein the automatic water spraying device includes a manual control circuit;
the manual control circuit comprises a plurality of electric knobs in one-to-one correspondence with each of the plurality of electric control valves;
the output end of each electric knob is electrically connected with the input end of the signal generating circuit;
the signal generating circuit generates a control signal when the electric knob rotates to a preset gear, and the control signal is sent to the electric control valve corresponding to the electric knob through the signal transmitter, wherein the control signal is one of a valve opening control signal, a valve closing control signal and a preset water quantity adjusting signal;
each electric knob comprises a plurality of gears, and each gear corresponds to different control signals.
9. The automatic water spraying device according to claim 2, wherein the comparator further comprises a self-test signal generator and a self-test result obtainer;
the output end of the self-checking signal generator is electrically connected with the input end of the signal generating circuit of the comparator, so that when the self-checking signal generator is started, the signal generating circuit is controlled to generate a self-checking signal, the self-checking signal is respectively sent to each electric control valve through the signal transmitter, and the self-checking signal comprises a valve opening control signal, a valve closing control signal and a preset water quantity adjusting signal;
the self-checking result acquirer is respectively electrically connected with the signal generating circuit and each electric control valve so as to judge whether each electric control valve executes an action corresponding to the received self-checking signal;
and if each electric control valve executes the action corresponding to the received self-checking signal, determining that the self-checking is successful.
10. The automatic water spray device of claim 1 wherein said comparator is a programmable logic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221777.0U CN204549442U (en) | 2015-04-14 | 2015-04-14 | A kind of automatic sprinkler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221777.0U CN204549442U (en) | 2015-04-14 | 2015-04-14 | A kind of automatic sprinkler |
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| CN204549442U true CN204549442U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520221777.0U Withdrawn - After Issue CN204549442U (en) | 2015-04-14 | 2015-04-14 | A kind of automatic sprinkler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841704A (en) * | 2015-04-14 | 2015-08-19 | 莱芜钢铁集团电子有限公司 | Cooling device |
| CN108775967A (en) * | 2018-07-18 | 2018-11-09 | 电子科技大学 | A kind of digital temperature sensor |
| CN109019084A (en) * | 2018-07-10 | 2018-12-18 | 山东钢铁股份有限公司 | Belt high temperature-proof spray system and method |
-
2015
- 2015-04-14 CN CN201520221777.0U patent/CN204549442U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841704A (en) * | 2015-04-14 | 2015-08-19 | 莱芜钢铁集团电子有限公司 | Cooling device |
| CN104841704B (en) * | 2015-04-14 | 2017-01-04 | 莱芜钢铁集团电子有限公司 | A kind of chiller |
| CN109019084A (en) * | 2018-07-10 | 2018-12-18 | 山东钢铁股份有限公司 | Belt high temperature-proof spray system and method |
| CN108775967A (en) * | 2018-07-18 | 2018-11-09 | 电子科技大学 | A kind of digital temperature sensor |
| CN108775967B (en) * | 2018-07-18 | 2020-07-28 | 电子科技大学 | Digital temperature sensor |
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