CN210082046U - Cooling device for hardening concrete - Google Patents
Cooling device for hardening concrete Download PDFInfo
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- CN210082046U CN210082046U CN201920697941.3U CN201920697941U CN210082046U CN 210082046 U CN210082046 U CN 210082046U CN 201920697941 U CN201920697941 U CN 201920697941U CN 210082046 U CN210082046 U CN 210082046U
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Abstract
The utility model discloses a cooling device for concrete hardening, which comprises a cooling water pipe, a water tank and a control circuit; the control circuit comprises a temperature sensor and a water pump; the cooling water pipe and the temperature sensor are both arranged on the concrete forming template; the inlet of the cooling water pipe, the water pump and the water tank are sequentially communicated through a pipeline, and the outlet of the cooling water pipe is communicated with the water tank through a pipeline; the control circuit is used for starting the water pump when the temperature of the temperature sensor is increased to a set value. By the structure, the heat dissipation water pipe arranged inside the steel formwork is utilized to perform circulating heat dissipation with the water cooling device passing through the external circulation, the temperature of the surface of the concrete is monitored in real time through the temperature sensor arranged inside the steel formwork, if the temperature of the surface of the concrete reaches the warning temperature, the water cooling device of the system automatically controls the external circulation to perform circulating heat dissipation, and after the temperature of the concrete is reduced, the system automatically stops.
Description
Technical Field
The utility model belongs to the technical field of the concrete shaping, especially, relate to a cooling device for concrete hardening.
Background
With the steady advance of economic construction in China, more and more concrete buildings are widely applied in the fields of water conservancy and civil engineering, but in the pouring process of concrete, temperature stress is an important factor influencing the pouring quality of the concrete, the concrete can emit a large amount of hydration heat during stirring and hardening, the temperature stress is generated inside the concrete to influence the product quality, and no effective method for controlling the heat dissipation of the concrete in the hardening process, particularly the hardening process after vertical mold pouring, exists at present.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a degree of automation height, can reduce the cooling device that is used for concrete hardening of the temperature stress after the concrete placement sclerosis.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a cooling device for concrete hardening comprises a cooling water pipe, a water tank and a control circuit; the control circuit comprises a temperature sensor and a water pump;
the cooling water pipe and the temperature sensor are both arranged on the concrete forming template; the inlet of the cooling water pipe, the water pump and the water tank are sequentially communicated through a pipeline, and the outlet of the cooling water pipe is communicated with the water tank through a pipeline;
the control circuit is used for starting the water pump when the temperature of the temperature sensor is increased to a set value.
By the structure, the heat dissipation water pipe arranged inside the steel formwork is utilized to perform circulating heat dissipation with the water cooling device passing through the external circulation, the temperature of the surface of the concrete is monitored in real time through the temperature sensor arranged inside the steel formwork, if the temperature of the surface of the concrete reaches the warning temperature, the water cooling device of the system automatically controls the external circulation to perform circulating heat dissipation, and after the temperature of the concrete is reduced, the system automatically stops.
As a further improvement of the above technical solution:
the temperature sensor is a thermistor.
In order to realize the automatic control of the opening or closing of the water pump according to the temperature change, the control circuit further comprises a voltmeter, and the voltmeter is used for detecting the voltage at the two ends of the thermistor; and when the voltmeter detects that the voltage at two ends of the thermistor exceeds a preset value, the rotating pointer rotates to be in contact with the metal piece, and the water pump is controlled to be started.
In order to realize the automatic control of the opening or closing of the water pump according to the temperature change, the control circuit further comprises a first power supply, a divider resistor and a second power supply;
the thermistor, the first power supply and the voltage dividing resistor are connected in series to form a first closed loop, and the thermistor is connected with the voltmeter in parallel;
the voltmeter, the second power supply and the motor of the water pump are connected in series to form a second closed loop; the voltmeter is connected into the second closed loop through a rotating pointer and a metal piece.
The resistance value of the thermistor rises due to temperature change, and in the first closed loop, the voltage at two ends of the thermistor also increases, so that the rotating pointer of the voltmeter deflects clockwise to be in contact with the metal piece, the second closed loop is conducted, and the water pump is started.
In order to control the high-power water pump to be started conveniently, the control circuit further comprises a relay, the rotary pointer and the metal piece are respectively connected with two ends of a coil of a control end of the relay, and two terminals of a controlled end of the relay are respectively connected with an input end and an output end of the motor; when the voltmeter detects that the voltage at two ends of the thermistor exceeds a preset value, the rotating pointer rotates to be in contact with the metal piece, and the relay is controlled to start the water pump.
The control circuit further comprises a first power supply, a divider resistor, a second power supply and a third power supply;
the thermistor, the first power supply and the voltage dividing resistor are connected in series to form a first closed loop, and the thermistor is connected with the voltmeter in parallel;
the voltmeter, the relay and the third power supply are connected in series to form a second closed loop; the relay, the second power supply and the water pump are connected in series to form a third closed loop.
The resistance value of the thermistor rises due to temperature change, and in the first closed loop, the voltage at two ends of the thermistor also increases, so that the rotating pointer of the voltmeter deflects clockwise to be in contact with the metal piece, the second closed loop is conducted, the relay is electrified, the movable contact at the control end of the relay is in contact with the static contact at the controlled end, the third closed loop is conducted, and the water pump is started.
The metal piece is an arc-shaped metal strip.
The cooling water pipe is embedded in the concrete forming template.
The number of the thermistors is multiple, and the plurality of thermistors are connected through a lead; and the plurality of thermistors are uniformly distributed on the periphery of the concrete forming template.
In order to ensure the cooling function of the cooling water pipe, the device also comprises a feed tank connected with the water tank.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses at the concrete pour steel form internally mounted go up condenser tube, through the temperature of the temperature sensor real-time supervision concrete of steel form internal surface, exceed alert temperature and then start cooling system and cool down, if cool down to the normal value then close cooling system. The cooling device is simple and effective, energy-saving and environment-friendly, and is easy to popularize in concrete construction engineering.
Drawings
Fig. 1 is a block diagram of a cooling device for hardening concrete according to an embodiment of the present invention (a part of a control circuit is omitted).
Fig. 2 is a schematic diagram of a control circuit in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a voltmeter in an embodiment of the present invention.
Illustration of the drawings: 1. a cooling water pipe; 2. a water tank; 3. a control circuit; 31. a thermistor; 32. A water pump; 33. a voltmeter; 331. rotating the pointer; 332. a metal member; 34. a relay; 35. a first power supply; 36. a voltage dividing resistor; 37. a second power supply; 38. a third power supply; 39. a wire; 4. a pipeline; 5. a feed tank; 6. forming a concrete template; 61. and connecting the holes.
Detailed Description
The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.
Example 1:
as shown in fig. 1, the cooling device for concrete hardening of the present embodiment includes a cooling water pipe 1, a water tank 2, a control circuit 3, and an ice cube feed tank 5. As shown in fig. 2, the control circuit includes a thermistor 31, a water pump 32, a voltmeter 33, a relay 34, a first power source 35, a voltage dividing resistor 36, a second power source 37, and a third power source 38.
The cooling water pipe 1 and the thermistor 31 are both arranged on the concrete forming template 6; the cooling water pipe 1 is embedded in the concrete forming template 6, a plurality of thermistors 31 are arranged, and the plurality of thermistors 31 are connected through a lead 39; the thermistors 31 are uniformly distributed around the concrete forming template 6, and the overall average value of the temperature of the whole concrete surface can be reasonably estimated. The inlet of the cooling water pipe 1, the water pump 32 and the water tank 2 are sequentially communicated through a pipeline 4, and the outlet of the cooling water pipe 1 is communicated with the water tank 2 through the pipeline 4; the feed tank 5 is connected to one side of the water tank 2, and ice blocks are filled in the feed tank 5.
The control circuit 3 is used for starting the water pump 32 when the resistance value of the thermistor 31 is increased to a set value, in the embodiment, the water pump 32 is provided with a motor, and the water pump 32 is connected into the control circuit through the motor.
The thermistor 31, the first power source 35 and the voltage dividing resistor 36 are connected in series to form a first closed loop, the thermistor 31 is connected in parallel with the voltmeter 33, and the voltmeter 33 is used for detecting the voltage at two ends of the thermistor 31.
The voltmeter 33, the relay 34 and the third power supply 38 are connected in series to form a second closed loop; the relay 34, the second power source 37, and the water pump 32 are connected in series to form a third closed loop.
As shown in fig. 3, a rotary pointer 331 and a metal member 332 are disposed in the voltmeter 33, and the metal member 332 is an arc-shaped metal strip. The rotary pointer 331 and the metal piece 332 are respectively connected with two ends of a coil at the control end of the relay 34, and two terminals at the controlled end of the relay 34 are respectively connected with the input end and the output end of the 32 motor; when the voltmeter 33 detects that the voltage across the thermistor 31 exceeds a preset value, the rotary pointer 331 rotates to contact with the metal member 332, and the relay 34 is controlled to turn on the water pump 32.
After concrete is poured in the vertical mold, the components are connected according to the diagram, when the temperature of the concrete reaches a preset critical temperature, the temperature around the temperature sensor rises, so that the resistance value of the thermistor 31 (the higher the temperature is, the higher the resistance value of the thermistor is) rises, the resistance value of the temperature sensor in the first closed loop is increased, the voltage at two ends of the temperature sensor is increased, the rotating pointer 331 of the voltmeter 33 deflects rightwards, the metal contact of the rotating pointer 331 is contacted with the arc-shaped metal strip, the second closed loop is connected, the moving contact and the static contact of the relay 34 are connected, the third closed loop is connected, the water pump 32 is started to continuously circulate cooling water, the cooling water is conveyed from the water tank 2 to the cooling water pipe 1 in the steel mold through the pipeline 4 to cool the concrete, and then is conveyed to the water tank 2 through the outlet of the cooling water pipe 1 to complete circulation, thereby completing the cooling function of the concrete. After the concrete temperature is reduced, the temperature around the temperature sensor is reduced, so that the resistance value of the thermistor 31 (the higher the temperature is, the larger the resistance value of the thermistor) is reduced, the voltage at the two ends of the temperature sensor is reduced, the rotating pointer 331 of the voltmeter 33 is deflected leftwards, the metal contact is separated from the arc-shaped metal strip, the third closed loop is disconnected, and the function of power failure and energy conservation after temperature reduction is completed.
The connecting holes 61 of the concrete forming template 6 play a role in connecting different templates; the concrete-forming formwork 6 is typically a steel formwork. The temperature sensor is arranged on the inner surface of the steel template and used for monitoring the temperature of the concrete in real time; the plurality of temperature sensors are connected through the lead 39, and the overall average value of the temperature of the whole concrete surface can be reasonably estimated; the temperature sensor after series connection is connected into the control circuit through an external lead 39. The feeding tank 5 has the function of adding ice blocks into the water tank 2 to reduce the water temperature; a first power supply 35 supplies power to the first closed loop; a second power supply 37 supplies power to the second closed loop; a third power supply 38 powers the third closed loop.
The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.
Claims (10)
1. A cooling device for concrete hardening, characterized by comprising a cooling water pipe (1), a water tank (2) and a control circuit (3); the control circuit (3) comprises a temperature sensor and a water pump (32);
the cooling water pipe (1) and the temperature sensor are both arranged on the concrete forming template (6); the inlet of the cooling water pipe (1), the water pump (32) and the water tank (2) are sequentially communicated through a pipeline (4), and the outlet of the cooling water pipe (1) is communicated with the water tank (2) through the pipeline (4);
the control circuit (3) is used for starting the water pump (32) when the temperature of the temperature sensor is increased to a set value.
2. A cooling device for concrete hardening according to claim 1, characterized in that said temperature sensor is a thermistor (31).
3. A cooling device for concrete hardening according to claim 2, characterized in that said control circuit (3) further comprises a voltmeter (33), said voltmeter (33) being adapted to detect the voltage across said thermistor (31); the voltage meter (33) is internally provided with a rotary pointer (331) and a metal piece (332), and when the voltage meter (33) detects that the voltage at two ends of the thermistor (31) exceeds a preset value, the rotary pointer (331) rotates to be in contact with the metal piece (332) to control the water pump (32) to be started.
4. A cooling device for concrete hardening according to claim 3, characterized in that said control circuit (3) further comprises a first power supply (35), a voltage-dividing resistor (36) and a second power supply (37);
the thermistor (31), a first power supply (35) and a voltage dividing resistor (36) are connected in series to form a first closed loop, and the thermistor (31) and the voltmeter (33) are connected in parallel;
the voltmeter (33), the second power supply (37) and the motor of the water pump (32) are connected in series to form a second closed loop; the voltmeter (33) is connected into the second closed loop through a rotating pointer (331) and a metal piece (332).
5. A cooling device for concrete hardening according to claim 3, characterized in that said control circuit (3) further comprises a relay (34), said rotary pointer (331) and said metal piece (332) being connected to the two ends of the coil of the control end of said relay (34), respectively, and the two terminals of the controlled end of said relay (34) being connected to the input and output ends of said motor (32), respectively; when the voltmeter (33) detects that the voltage at two ends of the thermistor (31) exceeds a preset value, the rotating pointer (331) rotates to be in contact with the metal piece (332), and the relay (34) is controlled to start the water pump (32).
6. Cooling device for concrete hardening according to claim 5, characterized in that said control circuit (3) further comprises a first power supply (35), a voltage-dividing resistor (36), a second power supply (37) and a third power supply (38);
the thermistor (31), a first power supply (35) and a voltage dividing resistor (36) are connected in series to form a first closed loop, and the thermistor (31) and the voltmeter (33) are connected in parallel;
the voltmeter (33), the relay (34) and the third power supply (38) are connected in series to form a second closed loop; the relay (34), the second power supply (37) and the water pump (32) are connected in series to form a third closed loop.
7. A cooling device for concrete hardening according to any of the claims from 3 to 6, characterized in that said metal piece (332) is an arc-shaped metal strip.
8. Cooling unit for concrete hardening according to any of the claims 1-6, characterized in that the cooling water pipes (1) are embedded in the concrete-forming formwork (6).
9. A cooling device for concrete hardening according to any one of claims 2-6, characterized in that said thermistor (31) is provided in plurality, a plurality of thermistors (31) being connected by a wire (39); the thermistors (31) are uniformly distributed around the concrete forming template (6).
10. A cooling device for concrete hardening according to any of the claims from 1 to 6, characterized in that it also comprises a feed tank (5) connected to the water tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697941.3U CN210082046U (en) | 2019-05-15 | 2019-05-15 | Cooling device for hardening concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697941.3U CN210082046U (en) | 2019-05-15 | 2019-05-15 | Cooling device for hardening concrete |
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| Publication Number | Publication Date |
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| CN210082046U true CN210082046U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920697941.3U Active CN210082046U (en) | 2019-05-15 | 2019-05-15 | Cooling device for hardening concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179406A (en) * | 2022-07-11 | 2022-10-14 | 南通米乐智能家居有限公司 | Intelligent drying equipment for manufacturing ceramic sanitary ware |
| CN117549777A (en) * | 2023-11-15 | 2024-02-13 | 安徽飞鱼物联技术有限公司 | Temperature-controllable safe type battery changing cabinet |
-
2019
- 2019-05-15 CN CN201920697941.3U patent/CN210082046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179406A (en) * | 2022-07-11 | 2022-10-14 | 南通米乐智能家居有限公司 | Intelligent drying equipment for manufacturing ceramic sanitary ware |
| CN117549777A (en) * | 2023-11-15 | 2024-02-13 | 安徽飞鱼物联技术有限公司 | Temperature-controllable safe type battery changing cabinet |
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