CN216286349U - Wireless control device for water outlet temperature of water cooler in concrete construction period - Google Patents

Wireless control device for water outlet temperature of water cooler in concrete construction period Download PDF

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Publication number
CN216286349U
CN216286349U CN202123070628.3U CN202123070628U CN216286349U CN 216286349 U CN216286349 U CN 216286349U CN 202123070628 U CN202123070628 U CN 202123070628U CN 216286349 U CN216286349 U CN 216286349U
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China
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temperature
water
concrete
control device
wireless
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CN202123070628.3U
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李铭磊
成文
强晟
马仁吉
陆生华
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Nanjing Road And Bridge Engineering Co ltd
Hohai University HHU
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Nanjing Road And Bridge Engineering Co ltd
Hohai University HHU
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Abstract

The utility model discloses a wireless control device for the water outlet temperature of a water cooler in the concrete construction period, which comprises a concrete temperature detection device, a temperature control assembly, a wireless relay transmitting module, a wireless relay receiving module, a relay, a single chip microcomputer, a computer and a cloud end, wherein the wireless relay transmitting module is connected with the wireless relay receiving module; the concrete temperature detection device transmits data monitored by a concrete internal temperature probe to a cloud end in real time, the computer sorts the data of the cloud end and makes a judgment, and then sends a closing and starting signal of a circuit switch to the relay to control the closing time of a corresponding circuit in the relay and the wireless relay, and the signal reaches the single chip microcomputer in a mode of combining wired transmission and wireless transmission; the single chip microcomputer drives the electromagnet assembly to accurately and timely adjust the water outlet temperature on the cooling machine within the closing time, and the over-high or over-low temperature drop rate inside concrete is avoided. The utility model accurately controls the temperature of the water outlet of the water chiller to achieve the effect of controlling the concrete temperature reduction rate within a reasonable range.

Description

Wireless control device for water outlet temperature of water cooler in concrete construction period
Technical Field
The utility model relates to a large-volume concrete construction temperature control device, in particular to a wireless control device for the outlet water temperature of a water cooler in the concrete construction period.
Background
The control of the temperature and the crack of the mass concrete is one of the common problems in the field of hydraulic engineering, and the existing control method controls the temperature within a preset index range. As the large-volume concrete can generate a large amount of concrete hydration heat during pouring to cause the internal temperature to rise sharply, the concrete can generate large tensile stress and exceed the tensile strength in the subsequent temperature reduction process, and cracks are easy to generate if no measures are taken.
At present, a certain amount of cooling water pipes are usually paved in mass concrete to control the internal temperature of the concrete, and the temperature reduction rate of the concrete is in a reasonable range by controlling the flow and the temperature of the cooling water. Traditional manual control cooling water temperature is not only consuming time, extravagant manpower, material resources and can't carry out timely accurate adjustment to cooling water temperature, and current equipment has following shortcoming:
(1) the existing equipment has limited number of probes for monitoring water temperature and concrete internal temperature, and has less and incomplete monitoring data. In addition, the number of monitors and frequency are few, and only a typical part of a concrete structure and a few of limited data with certain representative water temperatures of an inlet and an outlet of a cooling water pipe can be acquired every day, namely the monitoring data is incomplete;
(2) the monitoring system is not automatic and real-time enough, the data volume measured every day is limited and cannot be fed back in time, the temperature control is a complex problem which relates to meteorology, hydrology, materials, construction, structures and the like and is across professions, when conditions change or problems occur and decision needs to be made, a timely and effective solution is difficult to be given in real time, and the adjustment is mostly manual rough adjustment, namely 'untimely';
(3) on-site data is generally provided by construction units, monitored data often needs to be manually acquired and post-processed, and the accuracy of the data and the mode of the processing method remain uncertain. Namely, the data monitoring deviation is large and the accuracy is not high. Simultaneously, because artificial control mode, construction quality often receives the quality of site engineering personnel to influence great, produces with the great deviation of design condition, leads to the "four big" problems of control by temperature change construction, promptly: the temperature difference is large, the cooling amplitude is large, the cooling rate is large, the temperature gradient is large, and finally concrete cracks are generated.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a wireless control device for the outlet water temperature of a water cooler in a concrete construction period, and further solves the technical problem that the outlet water temperature of the water cooler cannot be automatically adjusted at present.
The technical scheme is as follows: the wireless control device for the water outlet temperature of the water cooler is connected with the water cooler in the concrete construction period; a temperature sensor probe at the water outlet is arranged on the water cooling machine;
the wireless control device comprises a concrete temperature detection device, a temperature control assembly, a wireless relay transmitting module, a wireless relay receiving module, a relay, a single chip microcomputer, a computer and a cloud end; the probe of the temperature sensor at the water outlet is connected with a concrete temperature detection device;
the relay is connected with the wireless relay transmitting module through an electric wire, and the wireless relay receiving module is connected with the single chip microcomputer through an electric wire;
the temperature control assembly comprises an electromagnet assembly and a temperature adjusting button assembly; when the concrete temperature change rate exceeds a set value, the electromagnet assembly extrudes the temperature adjusting button assembly to adjust the water outlet temperature of the water cooler.
The electromagnet assembly comprises a first electromagnet, the temperature adjusting button assembly comprises a temperature increasing button, and the first electromagnet extrudes the temperature increasing button when the concrete temperature reduction rate exceeds a set value.
The electromagnet assembly comprises a second electromagnet, the temperature adjusting button assembly comprises a temperature reducing button, and the second electromagnet extrudes the temperature adjusting button assembly when the temperature rising rate of the concrete exceeds a set value.
And a concrete internal temperature probe is arranged on the concrete temperature detection device.
The concrete temperature detection device comprises an acquisition module and a transmitting module, wherein the acquisition module acquires temperature data of a temperature probe in the concrete and transmits the temperature data to the cloud end through the transmitting module.
The wireless relay receiving module receives the signal of the wireless relay transmitting module through the antenna.
The single chip microcomputer controls the electromagnet assembly to extrude the temperature adjusting button assembly under the action of the wireless relay receiving module.
The utility model also comprises a fixing piece and a tray, wherein the electromagnet assembly is fixed on the tray through the fixing piece, and the first electromagnet and the second electromagnet are both connected with the fixing piece.
The utility model also comprises a converter, and the relay is connected with the computer through the converter.
The water cooler is connected with a water outlet pipe, and a probe of a temperature sensor at the water outlet is positioned on the water outlet pipe.
The working principle is as follows: the concrete temperature detection device in the wireless control device for the water outlet temperature of the water chiller during the concrete construction period transmits data monitored by a temperature probe in the concrete to the cloud end in real time, the data led out from the cloud end is sorted by the computer, the computer sends a closing and starting signal of a circuit switch to the relay after judging, the closing time of a corresponding circuit in the relay and the wireless relay is controlled, and the signal finally reaches the singlechip in a mode of combining wired transmission and wireless transmission; the single chip microcomputer drives the electromagnet assembly to accurately and timely adjust the water outlet temperature on the cooling machine within the closing time, and therefore the over-high or over-low temperature drop rate inside concrete is avoided.
Compared with the prior art, the utility model can accurately control the temperature of the water outlet of the water cooler so as to achieve the technical effect of assisting in controlling the concrete temperature reduction rate to be in a required range.
Drawings
FIG. 1 is a schematic view of a wireless control device for controlling the water outlet temperature of a water chiller during concrete construction according to the present invention;
FIG. 2 is a schematic view of the electromagnet assembly partially connected to a water chiller apparatus;
FIG. 3 is a schematic view of the connection of the electromagnet assembly to the metal fixture;
fig. 4 is a schematic diagram illustrating a specific process of adjusting the outlet water temperature of the cooling machine by the wireless control device according to the present invention.
Detailed Description
Example (b):
as shown in figure 1, the wireless control device for the water outlet temperature of the water chiller in the concrete construction period is connected with the water chiller 12. The water cooler is provided with a water outlet temperature sensor probe 18.
This wireless control device includes concrete temperature-detecting device 2, computer 3, temperature control subassembly, relay 5, wireless relay emission module 6, wireless relay receiving module 8, singlechip 10, computer and high in the clouds. The concrete temperature detection device 2 is provided with a concrete internal temperature probe 1, and the concrete internal temperature probe 1 collects the temperature of the concrete and transmits the temperature to the concrete temperature detection device 2. Wherein this concrete temperature detection device 2 includes collection module and emission module, and collection module gathers the temperature data of concrete internal sensor probe 1 department regularly, and data are saved to the high in the clouds through emission module after gathering, and then look over or derive data at the computer. The relay 5 is connected with the computer 3, and then controls the wireless relay transmitting module 6. In the embodiment, the single chip microcomputer 10 is an STC single chip microcomputer, the relay 5 is an eight-open eight-close relay, the concrete internal temperature probe 1 is a probe of a ds18b20 type, and if the length of the electric wire of the probe does not meet the requirement, the probe is externally connected with the electric wire. The probe 18 of the temperature sensor at the water outlet adopts a probe of a model ds18b20, and a stainless steel pipe fitting is sleeved outside the probe and connected with a tee joint on a water pipe so as to be fixed. The relay 5 is connected with the computer through an rs232usb converter. The relay is provided with eight circuits, and each circuit is independent.
The temperature control assembly comprises an electromagnet assembly 13 and a temperature adjusting button assembly 14, and when the change rate of the concrete temperature exceeds a set value, the electromagnet assembly 13 extrudes the temperature adjusting button assembly 14 to adjust the outlet water temperature of the water cooler. The electromagnet assembly 13 includes a first electromagnet 13a and a second electromagnet 13 b.
The water cooler 12 is connected with a water outlet pipe 19, a water outlet temperature sensor probe 18 is arranged on the water outlet pipe 19, the water outlet temperature sensor probe 18 is used for measuring the water temperature, the actual temperature of the water is fed back and then transmitted to the concrete temperature detection device 2, and the computer 3 downloads data to judge the actual change of the water temperature and makes a subsequent adjustment instruction.
And the computer 3 downloads the data in the cloud to a local memory, and obtains a related calculation result and judgment after operation. Two ends of the rs282usb converter 4 are respectively connected with the computer 3 and the relay 5. The related calculation result and judgment obtained by the computer 3 are converted into a switching signal through the rs282usb converter 4 and transmitted to the relay 5, the relay controls the closing and opening of a corresponding circuit after receiving the signal, and the command is transmitted to the wireless relay transmitting module 6 through a wire.
The relay 5 is connected with the wireless relay transmitting module 6 through an electric wire 20, and the relay 5 controls the closing and the opening of a corresponding circuit of the wireless relay transmitting module 6. The wireless relay receiving module 8 is connected with the singlechip 10 through an electric wire.
If the corresponding circuit in the wireless relay transmitting module 6 is closed, the closing signal is sent to the remote wireless relay receiving module 8 through the antenna 7, and the corresponding circuit of the wireless relay receiving module is also closed. If after a short time a certain circuit of the transmitting module 6 goes from closed to open, the signal is interrupted. Namely, the open and close states of the circuits corresponding to the wireless relay transmitting module 6 and the wireless relay receiving module 8 are kept consistent. That is, the wireless relay receiving module 8 receives the signal of the wireless relay transmitting module 6 through the antenna and closes the corresponding circuit.
As shown in fig. 1 to 2, one end of the single chip microcomputer 10 is connected to the wireless relay receiving module 8 through an electric wire 20, and the other end is connected to the electromagnet assembly 13. If the circuit of the single chip microcomputer 10 connected to the wireless relay receiving module 8 is switched on, the single chip microcomputer 10 sends an instruction to the electromagnet assembly 13 corresponding to the circuit to enable the electromagnet assembly 13 to forwardly extrude the temperature adjusting button assembly 14 on the water cooler 12 at a fixed frequency. The temperature adjustment button assembly 14 includes a temperature up button 14a and a temperature down button 14 b.
As shown in fig. 2 and 3, the first electromagnet 13a is located on the side of the temperature-raising button 14a, and the second electromagnet 13b is located on the side of the temperature-lowering button 14 b. If the concrete temperature drop rate is too fast, the circuit connected with the first electromagnet 13a is switched on, and the first electromagnet 13a starts to squeeze the temperature-raising button 14a, in this embodiment, the frequency is once a second, until the temperature is adjusted to meet the requirement, and the circuit is switched off and stops working.
If the concrete temperature drop rate is slow, the circuit of the second electromagnet 13b is switched on, the second electromagnet 13b starts to squeeze the temperature-lowering button 14b once every second until the temperature is adjusted to meet the requirement, and the circuit is switched off and stops working.
Here, the time of each energization of the electromagnet assembly 13 cannot be too long, and the single chip microcomputer 10 controls the time of the energization of the electromagnet assembly 13, in this embodiment, the time of one energization is 1s, then the electromagnet assembly is turned off, then the electromagnet assembly is turned on and then turned off, and the above steps are repeated in a circulating manner. The contact time of the electromagnet assembly 13 with the temperature adjusting button assembly 14 is not less than 0.3s each time the temperature adjusting button assembly 14 is pressed forwards, otherwise, the temperature adjustment of the water cooling machine 12 is not carried out, and the operation of the electromagnet assembly 13 is invalid.
The specific working process of the utility model is as follows: inside temperature probe 1 of concrete uploads concrete temperature to concrete temperature detection device 2 back through the electric wire, and this detection device uploads the temperature to the high in the clouds and preserves through the wireless transmission mode, makes calculation and judgement after the computer downloads data, and the switching of the corresponding circuit of rethread wireless mode control distal end relay receiving module 8. If the concrete is in the temperature rise stage and the set temperature of the water outlet of the water cooler meets the specified temperature, no adjustment is made; and if the concrete is in the temperature rise stage but the temperature of the water outlet does not meet the specified temperature, adjusting the temperature to the specified temperature.
And if the concrete is in the temperature reduction stage, judging whether the temperature reduction rate meets the regulation or not by calculation. If the temperature drop rate meets the regulation, no adjustment is made, and if the temperature drop rate does not meet the regulation, the water outlet set temperature of the water chiller is adjusted to the temperature meeting the requirement by using the electromagnet assembly 13.
The data downloaded from the cloud and the calculated data, the judgment and the fed-back water temperature are recorded on a computer, so that an operator can master information in time to make adjustment.
As shown in fig. 3, the first electromagnet 13a and the second electromagnet 13b are connected to the metal fixture 11, in this embodiment, the stroke of the first electromagnet 13a and the second electromagnet 13b is 10mm, the instantaneous thrust is 20N, the voltage is 12V, and the first electromagnet 13a and the second electromagnet 13b are connected and fixed to the metal fixture 11 by glue. The lower end of the metal fixing piece 11 is connected with the metal tray 9 through an expansion bolt 21, and the metal tray 9 is supported and fixed through a metal tripod 15. In this embodiment, the metal fastener 11 is square, and the size of the metal fastener is 50mm by 50mm, and the thickness of the metal fastener is 1.8 mm.

Claims (10)

1. The utility model provides a wireless control device of concrete construction period cold water machine leaving water temperature which characterized in that: the wireless control device for the water outlet temperature of the water cooler in the concrete construction period is connected with the water cooler (12); a temperature sensor probe (18) at the water outlet is arranged on the water cooler (12);
the wireless control device comprises a concrete temperature detection device (2), a temperature control assembly, a wireless relay transmitting module (6), a wireless relay receiving module (8), a relay (5), a single chip microcomputer (10), a computer (3) and a cloud end; the probe (18) of the temperature sensor at the water outlet is connected with the concrete temperature detection device (2);
the relay (5) is connected with the wireless relay transmitting module (6) through an electric wire, and the wireless relay receiving module (8) is connected with the single chip microcomputer (10) through an electric wire;
the temperature control assembly comprises an electromagnet assembly (13) and a temperature adjusting button assembly (14); when the change rate of the concrete temperature exceeds a set value, the electromagnet assembly (13) extrudes the temperature adjusting button assembly (14) to adjust the outlet water temperature of the water cooler.
2. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: the electromagnet assembly (13) comprises a first electromagnet (13a), the temperature adjusting button assembly (14) comprises a temperature increasing button (14a), and the first electromagnet (13a) extrudes the temperature increasing button (14a) when the concrete temperature reduction rate exceeds a set value.
3. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: the electromagnet assembly (13) comprises a second electromagnet (13b), the temperature adjusting button assembly (14) comprises a temperature reducing button (14b), and the second electromagnet (13b) extrudes the temperature reducing button (14b) when the temperature rising rate of the concrete exceeds a set value.
4. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: and a concrete internal temperature probe (1) is arranged on the concrete temperature detection device (2).
5. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 4, wherein: the concrete temperature detection device (2) comprises an acquisition module and a transmitting module, wherein the acquisition module acquires temperature data of the concrete internal temperature probe (1) and transmits the temperature data to the cloud end through the transmitting module.
6. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: and the wireless relay receiving module (8) receives the signal of the wireless relay transmitting module (6) through an antenna.
7. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: the single chip microcomputer (10) controls the electromagnet assembly (13) to extrude the temperature adjusting button assembly (14) under the action of the wireless relay receiving module.
8. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: the electromagnetic component is characterized by further comprising a fixing piece (11) and a tray (9), wherein the electromagnet component (13) is fixed on the tray (9) through the fixing piece (11).
9. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: the intelligent control system also comprises a converter, and the relay (5) is connected with a computer through the converter.
10. The wireless control device for the outlet water temperature of the water chiller during the concrete construction period according to claim 1, wherein: the water cooler (12) is connected with a water outlet pipe (19), and a temperature sensor probe (18) at the water outlet is positioned on the water outlet pipe (19).
CN202123070628.3U 2021-12-08 2021-12-08 Wireless control device for water outlet temperature of water cooler in concrete construction period Active CN216286349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123070628.3U CN216286349U (en) 2021-12-08 2021-12-08 Wireless control device for water outlet temperature of water cooler in concrete construction period

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123070628.3U CN216286349U (en) 2021-12-08 2021-12-08 Wireless control device for water outlet temperature of water cooler in concrete construction period

Publications (1)

Publication Number Publication Date
CN216286349U true CN216286349U (en) 2022-04-12

Family

ID=81043974

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123070628.3U Active CN216286349U (en) 2021-12-08 2021-12-08 Wireless control device for water outlet temperature of water cooler in concrete construction period

Country Status (1)

Country Link
CN (1) CN216286349U (en)

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