CN213182446U - Automatic control device of cooling circulation device system - Google Patents
Automatic control device of cooling circulation device system Download PDFInfo
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- CN213182446U CN213182446U CN202021665550.2U CN202021665550U CN213182446U CN 213182446 U CN213182446 U CN 213182446U CN 202021665550 U CN202021665550 U CN 202021665550U CN 213182446 U CN213182446 U CN 213182446U
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Abstract
The utility model discloses an automatic control device of cooling circulation device system, comprising a water tank, the delivery port of water tank left end is connected with first outlet pipe, the left end of first outlet pipe is connected with pressure water pump, pressure water pump's upper end is connected with the second outlet pipe, the upper end of second outlet pipe is connected with first temperature control module, the upper end of first temperature control module is connected with the third outlet pipe, the right-hand member of third outlet pipe is connected with the cold rolling mill cooling pump, the right-hand member of cold rolling mill cooling pump is connected with first inlet tube, the lower extreme of first inlet tube is connected with second temperature control module, the utility model provides a cooling water circulation control system of automatic control device of cooling circulation device system satisfies the technical index requirement, and the temperature control range is 10 ~ 25 ℃, adjusts step-by-step to 1 ℃, and the temperature control error is less than 1 ℃, the water level can be monitored, and the refrigerating power can reach 100W.
Description
Technical Field
The utility model relates to a cooling circulation device technical field, the concrete field is an automatic control device of cooling circulation device system.
Background
Along with the continuous promotion of degree of automation and to equipment safety requirement in the aluminum processing trade, whether safe, the steady operation becomes the problem that can not neglect in the aluminum processing trade of cold rolling mill drive cabinet. At present, cold rolling mill drive cabinet receives the installation space restriction, can't carry out good heat dissipation, generally adopt recirculated cooling water with system temperature control in the regulation scope, make it can stable work under the settlement temperature, but most temperature control system on the market at present can not accurate control temperature, refrigeration power is not up to standard, thereby lead to abnormal condition such as this cooling pump motor stall, if the cooling pump suddenly stops to operate in rolling mill working process, will cause the rolling mill scram, serious consequences such as waste material appear causing even.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic control device of cooling circulation device system to solve the control temperature that most temperature control system can not be accurate on the existing market who proposes in the above-mentioned background art, refrigeration power is not up to standard, thereby leads to abnormal conditions such as this cooling pump motor bring to rest, if the cooling pump bring to rest suddenly in the rolling mill working process, will cause the rolling mill scram, appear even and cause the problem of serious consequence such as waste material.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic control device of a cooling circulation device system comprises a water tank, wherein a water outlet at the left end of the water tank is connected with a first water outlet pipe, the left end of the first water outlet pipe is connected with a pressure water pump, the upper end of the pressure water pump is connected with a second water outlet pipe, the upper end of the second water outlet pipe is connected with a first temperature control module, the upper end of the first temperature control module is connected with a third water outlet pipe, the right end of the third water outlet pipe is connected with a cold rolling mill cooling pump, the right end of the cold rolling mill cooling pump is connected with a first water inlet pipe, the lower end of the first water inlet pipe is connected with a second temperature control module, the lower end of the second temperature control module is connected with a second water inlet pipe, the lower end of the second water inlet pipe is connected with a water inlet at the upper end of the water tank, the input ends of the first temperature control module and the second temperature, a plurality of control buttons are arranged on the lower side of the front end surface of the control device, a microprocessor is arranged in the control device, the output end of the microprocessor is unidirectionally and electrically connected with the input end of the LED nixie tube, the input end of the microprocessor is unidirectionally and electrically connected with the output end of the keyboard, the output end of the microprocessor is unidirectionally and electrically connected with the input end of the voltage division module, the output end of the voltage division module is unidirectionally and electrically connected with the input end of the comparator driving module, the output end of the comparator driving module is unidirectionally and electrically connected with the input end of the semiconductor refrigerator, the output end of the semiconductor refrigerator is unidirectionally and electrically connected with the input end of the thermistor, the output end of the thermistor is unidirectionally and electrically connected with the input end of the comparator driving module and the input end of the analog-to-digital converter, and the output end of the analog-to-digital converter is unidirectionally and electrically connected with the input end of the microprocessor.
Preferably, the first temperature control module and the second temperature control module are both composed of the semiconductor refrigerator, a water pipe and a radiating fin.
Preferably, the microprocessor is an ATC series single chip microcomputer.
Preferably, the LED nixie tube is implemented by using a MAX display driver, and drives the LED nixie tube to display.
Preferably, the comparator driving module is formed by a four-voltage comparator LM.
Preferably, the thermistor is a high-precision thermistor with a resistance of ten kilo-ohms.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of automatic control device's of cooling cycle device system cooling water circulation control system satisfies the technical index requirement, and temperature control range is 10 ~ 25 ℃, adjusts step-by-step 1 ℃, and temperature control error is less than 1 ℃, can monitor the surface of water height, and refrigeration power can reach 100W.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the system of the present invention.
In the figure: the device comprises a water tank 1, a first water outlet pipe 2, a pressure water pump 3, a second water outlet pipe 4, a first temperature control module 5, a third water outlet pipe 6, a cold rolling mill cooling pump 7, a first water inlet pipe 8, a second temperature control module 9, a second water inlet pipe 10, a control device 11, a display screen 12, an operation button 13, a microprocessor 14, an LED nixie tube 15, a keyboard 16, a voltage division module 17, a comparator driving module 18, a semiconductor refrigerator 19, a thermistor 20 and an analog-to-digital converter 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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, 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 belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an automatic control device of cooling cycle device system, including water tank 1, the delivery port of 1 left end of water tank is connected with first outlet pipe 2, the left end of first outlet pipe 2 is connected with pressure water pump 3, pressure water pump 3's upper end is connected with second outlet pipe 4, the upper end of second outlet pipe 4 is connected with first temperature control module 5, the upper end of first temperature control module 5 is connected with third outlet pipe 6, the right-hand member of third outlet pipe 6 is connected with cold rolling mill cooling pump 7, the right-hand member of cold rolling mill cooling pump 7 is connected with first inlet tube 8, the lower extreme of first inlet tube 8 is connected with second temperature control module 9, the effect of first temperature control module 5 and second temperature control module 9 is with the temperature regulation of water to the temperature range that sets up. Since the specific heat of water is large and the temperature change time is long, temperature control is performed at both the inlet and outlet of the cold rolling mill cooling pump 7. The water temperature entering the water tank 1 is regulated, so that the pressure of the circuit for regulating the temperature can be reduced, and the water temperature in the water tank 1 cannot rise too high; meanwhile, the water temperature of the convection water outlet tank 1 is adjusted to ensure that the water outlet temperature is within the precision range of the set temperature, the lower end of a second temperature control module 9 is connected with a second water inlet pipe 10, the lower end of the second water inlet pipe 10 is connected with a water inlet at the upper end of the water tank 1, the input ends of a first temperature control module 5 and the second temperature control module 9 are both connected with the output end of a control device 11, the upper side of the front end surface of the control device 11 is provided with a display screen 12, the lower side of the front end surface of the control device 11 is provided with a plurality of control buttons 13, a microprocessor 14 is arranged in the control device 11, the microprocessor 14 converts the input set temperature value into a voltage value through a voltage division module 17 according to the temperature/voltage conversion relation and transmits the voltage value to a comparator driving module 18 as a control signal, and the comparator driving module, the output control signal controls the current and direction flowing through the semiconductor refrigerator 19, meanwhile, the analog-to-digital converter 21 samples the voltage on the thermistor 20 in real time, and the microprocessor 14 obtains the detected temperature value through the temperature/voltage conversion relation and displays the temperature value on the LED nixie tube 15. The whole system is a closed-loop feedback control system, the output end of the microprocessor 14 is unidirectionally and electrically connected to the input end of the LED nixie tube 15, the input end of the microprocessor 14 is unidirectionally and electrically connected to the output end of the keyboard 16, the output end of the microprocessor 14 is unidirectionally and electrically connected to the input end of the voltage dividing module 17, the output end of the voltage dividing module 17 is unidirectionally and electrically connected to the input end of the comparator driving module 18, the output end of the comparator driving module 18 is unidirectionally and electrically connected to the input end of the semiconductor refrigerator 19, the comparator driving module 18 is formed by adopting a four-voltage comparator. Semiconductor cooler 19 is an element that uses the thermoelectric effect of semiconductor materials to achieve cooling, and the temperature and the cold of the surface of semiconductor cooler 19 can be adjusted by changing the magnitude and direction of the current flowing through semiconductor cooler 19. The output end of the semiconductor refrigerator 19 is unidirectionally electrically connected to the input end of the thermistor 20, the controller drives the semiconductor refrigerator 19 in a pulse width modulation manner, the change of the magnitude of the current flowing through the semiconductor refrigerator 19 is the same as the change trend of the voltage across the thermistor 20, the output end of the thermistor 20 is unidirectionally electrically connected to the input end of the comparator driving module 18 and the input end of the analog-to-digital converter 21, and the output end of the analog-to-digital converter 21 is unidirectionally electrically connected to the input end of the microprocessor 14.
Specifically, the first temperature control module 5 and the second temperature control module 9 are each composed of a semiconductor refrigerator 19, a water pipe, and a heat sink.
Specifically, the microprocessor 14 is an AT89C2051 series single chip microcomputer.
Specifically, the LED nixie tube 15 is implemented by using a MAX7219 display driver, and drives the 6-bit LED nixie tube 15 to display.
Specifically, the comparator driving module 18 is configured by using a four-voltage comparator LM 339.
Specifically, the thermistor 20 is a high-precision thermistor having a resistance of ten kilo-ohms.
The working principle is as follows: when the utility model is used, the pressure water pump 3 pumps out the water in the water tank 1, and when the water flows through the first temperature control module 5 at the water outlet, the control device 11 controls the semiconductor refrigerator 19 in the first temperature control module 5 to adjust the water outlet temperature to the set temperature range; after the water with the adjusted temperature flows through the cooling pump 7 of the cold rolling mill, the water temperature rises due to the absorption of the heat of the cooling pump 7 of the cold rolling mill; when the water returning to the water tank 1 flows through the second temperature control module 9 at the water inlet, the control device 11 controls the semiconductor refrigerator 19 in the second temperature control module 9 to adjust the water inlet temperature, so that the temperature of the water entering the water tank 1 is reduced, and the temperature value is set.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An automatic control device of a cooling cycle device system, comprising a water tank (1), characterized in that: the water outlet of the left end of the water tank (1) is connected with a first water outlet pipe (2), the left end of the first water outlet pipe (2) is connected with a pressure water pump (3), the upper end of the pressure water pump (3) is connected with a second water outlet pipe (4), the upper end of the second water outlet pipe (4) is connected with a first temperature control module (5), the upper end of the first temperature control module (5) is connected with a third water outlet pipe (6), the right end of the third water outlet pipe (6) is connected with a cold rolling mill cooling pump (7), the right end of the cold rolling mill cooling pump (7) is connected with a first water inlet pipe (8), the lower end of the first water inlet pipe (8) is connected with a second temperature control module (9), the lower end of the second temperature control module (9) is connected with a second water inlet pipe (10), the lower end of the second water inlet pipe (10) is, the input ends of the first temperature control module (5) and the second temperature control module (9) are connected to the output end of a control device (11), the upper side of the front end face of the control device (11) is provided with a display screen (12), the lower side of the front end face of the control device (11) is provided with a plurality of control buttons (13), a microprocessor (14) is arranged inside the control device (11), the output end of the microprocessor (14) is unidirectionally and electrically connected to the input end of an LED nixie tube (15), the input end of the microprocessor (14) is unidirectionally and electrically connected to the output end of a keyboard (16), the output end of the microprocessor (14) is unidirectionally and electrically connected to the input end of a voltage division module (17), the output end of the voltage division module (17) is unidirectionally and electrically connected to the input end of a comparator driving module (18), the output end of the comparator driving module (18) is, the output end of the semiconductor refrigerator (19) is unidirectionally and electrically connected with the input end of the thermistor (20), the output end of the thermistor (20) is unidirectionally and electrically connected with the input end of the comparator driving module (18) and the input end of the analog-to-digital converter (21), and the output end of the analog-to-digital converter (21) is unidirectionally and electrically connected with the input end of the microprocessor (14).
2. The automatic control device of a cooling cycle device system according to claim 1, characterized in that: the first temperature control module (5) and the second temperature control module (9) are composed of the semiconductor refrigerator (19), a water pipe and a radiating fin.
3. The automatic control device of a cooling cycle device system according to claim 1, characterized in that: the microprocessor (14) is an AT89C2051 series single chip microcomputer.
4. The automatic control device of a cooling cycle device system according to claim 1, characterized in that: the LED nixie tube (15) is realized by adopting a piece of MAX7219 display driver, and 6 bits are driven to be displayed by the LED nixie tube (15).
5. The automatic control device of a cooling cycle device system according to claim 1, characterized in that: the comparator driving module (18) is formed by a four-voltage comparator LM 339.
6. The automatic control device of a cooling cycle device system according to claim 1, characterized in that: the thermistor (20) is a high-precision thermistor with a resistance of ten kilo-ohms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021665550.2U CN213182446U (en) | 2020-08-12 | 2020-08-12 | Automatic control device of cooling circulation device system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021665550.2U CN213182446U (en) | 2020-08-12 | 2020-08-12 | Automatic control device of cooling circulation device system |
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| CN213182446U true CN213182446U (en) | 2021-05-11 |
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| CN202021665550.2U Active CN213182446U (en) | 2020-08-12 | 2020-08-12 | Automatic control device of cooling circulation device system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325936A (en) * | 2021-06-24 | 2021-08-31 | 新疆农业大学 | Quick cold type heat sink of CPU frost |
| CN114235681A (en) * | 2021-12-22 | 2022-03-25 | 天信管业科技集团有限公司 | Peeling stretcher for testing peeling strength of 3PE outer anticorrosive coating of steel pipe |
| CN115167565A (en) * | 2022-07-18 | 2022-10-11 | 潍柴动力股份有限公司 | Temperature control device, method and equipment |
-
2020
- 2020-08-12 CN CN202021665550.2U patent/CN213182446U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325936A (en) * | 2021-06-24 | 2021-08-31 | 新疆农业大学 | Quick cold type heat sink of CPU frost |
| CN113325936B (en) * | 2021-06-24 | 2022-11-08 | 新疆农业大学 | Quick cold type heat sink of CPU frost |
| CN114235681A (en) * | 2021-12-22 | 2022-03-25 | 天信管业科技集团有限公司 | Peeling stretcher for testing peeling strength of 3PE outer anticorrosive coating of steel pipe |
| CN114235681B (en) * | 2021-12-22 | 2024-02-02 | 天信管业科技集团有限公司 | Peeling and stretching machine for testing peeling strength of 3PE outer anti-corrosion layer of steel pipe |
| CN115167565A (en) * | 2022-07-18 | 2022-10-11 | 潍柴动力股份有限公司 | Temperature control device, method and equipment |
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