CN212045268U - Precast beam sprays curing means and system - Google Patents
Precast beam sprays curing means and system Download PDFInfo
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- CN212045268U CN212045268U CN202020370863.9U CN202020370863U CN212045268U CN 212045268 U CN212045268 U CN 212045268U CN 202020370863 U CN202020370863 U CN 202020370863U CN 212045268 U CN212045268 U CN 212045268U
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Abstract
The utility model provides a precast beam spraying maintenance device and a system, wherein the system comprises a main control unit, a voltage conversion unit, a temperature sensor, a humidity sensor, a communication unit, a multi-path relay, a multi-path contactor and a multi-path nozzle; the voltage conversion unit is connected to the power supply unit and converts a power supply into two paths of power supply outputs, wherein one path of power supply is connected to the main control unit, and the other path of power supply is connected to the temperature sensor and the humidity sensor; the main control unit is connected with the temperature sensor, the humidity sensor and the relay and controls the relay according to the temperature data and the humidity data; the output end of the relay is connected to the control end of the contactor; the spray head is connected to a strong power supply unit through the contactor; the relays, the contactors and the spray heads are in one-to-one correspondence. The device can realize the automatic spray maintenance of precast beam.
Description
Technical Field
The utility model belongs to the technical field of the construction, in particular to precast beam sprays curing means and system thereof.
Background
At present, after the precast beam is poured in a beam yard, manual watering maintenance is mostly adopted, the precast beam is influenced by quality consciousness and working attitude of maintenance personnel, and the situations of missed maintenance in partial areas, insufficient maintenance time and the like often occur. On one hand, the precast box girder web plate which is not fully maintained may be inclined inwards, water is volatilized quickly, cracks are easy to generate, and further, the later engineering construction quality is hidden with great quality hidden troubles; on the other hand, the labor amount of manual maintenance workers is large, the personnel allocation is large, the maintenance efficiency is low, and the night maintenance is not in place.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's not enough, the embodiment of the utility model provides a precast beam sprays curing means can realize automatic control to multichannel maintenance passageway, according to planned automatic watering effect, according to frequency and the interval of environment humiture automatic control watering. The technical scheme is as follows:
a precast beam spraying maintenance device comprises a main control unit, a voltage conversion unit, a temperature sensor, a humidity sensor, a communication unit, a multi-path relay, a multi-path contactor and a multi-path sprayer;
the voltage conversion unit is connected to the power supply unit and converts a power supply into two paths of power supply outputs, wherein one path of power supply is connected to the main control unit, and the other path of power supply is connected to the temperature sensor and the humidity sensor;
the main control unit is connected with the temperature sensor, the humidity sensor and the relay and controls the relay according to the temperature data and the humidity data; the output end of the relay is connected to the control end of the contactor; the spray head is connected to a strong power supply unit through the contactor; the relays, the contactors and the spray heads correspond one to one; the communication unit is connected with the main control unit.
Optionally, the voltage conversion unit includes an isolation transformer, and two paths of power outputs are implemented by using a two-path switching power supply.
Optionally, the temperature sensor and the humidity sensor are connected with the main control unit through an RS485 bus, and data acquisition is performed in an MODbus data format.
Optionally, the communication unit includes an LTE communication module, and the LTE communication module is inserted into the main control unit in a slot form.
Optionally, the mobile terminal further comprises a touch display screen, and the touch display screen is connected to the main control unit through an RS232 serial bus.
Optionally, the main control unit includes a maintenance calculation setting module, a maintenance operation processing module, and a maintenance data reporting module.
Optionally, the relay, the contactor, and the nozzle are all 8 paths, the main control unit includes an NXP-LPC1768 main control chip, and the main control chip includes an EEPROM, a flash, an RTC processor, an acquisition input of 8 paths of analog quantities, a control output of 2 paths of analog quantities, an acquisition input of 8 paths of switching quantities, an acquisition output of 8 paths of switching quantities, an acquisition module of 2 paths of frequency signals, an RS232 serial interface, an RS485 serial interface, an RJ45 ethernet interface, and a limited communication interface of a USB3.0 serial communication bus.
A precast beam sprays maintenance system, includes foretell precast beam and sprays curing means and server, the server with precast beam sprays the communication unit of curing means and communicates.
The utility model provides a pair of precast beam sprays curing means, integrated temperature and humidity sensor to utilize relay and contactor to realize the shower nozzle and spray control according to humiture data, can realize that precast beam sprays the automatic control of maintenance, be favorable to improving precast beam quality and qualification rate.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic view of a precast beam spray curing device provided in an embodiment of the present application.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Most of the existing spraying maintenance systems depend on manual watering operation, maintenance standardization and refinement are difficult to achieve, and operation depends on experience and responsibility of constructors. A few of spraying maintenance control cabinets are provided, the starting and stopping functions can be controlled directly and simply, the functions of real-time online monitoring of the construction process, storage and tracing of construction historical data and the like are not provided, and the problem of high supervision difficulty of an engineering management unit is solved.
Based on this, the embodiment of the application provides a precast beam spraying maintenance device, as shown in fig. 1, which includes a main control unit 11, a voltage conversion unit 15, a temperature sensor 12, a humidity sensor 13, a communication unit 14, a multi-way relay KA, a multi-way contactor KM (such as KM 1-KM 8), and a multi-way nozzle P (such as P1-P8);
the voltage conversion unit 15 is connected to a power supply unit, and converts a power supply into two paths of power supply outputs, wherein one path of power supply is connected to the main control unit 15, and the other path of power supply is connected to the temperature sensor 12 and the humidity sensor 13; in a specific embodiment, the power supply unit is a mains supply 220V, the voltage conversion unit 15 converts the mains supply 220V into two paths of power outputs, specifically, the voltage conversion unit 15 may adopt an isolation transformer, the two paths of power outputs are realized by a two-path switch power supply, and the mains supply 220V is converted into a two-path isolated 24V direct current power supply to supply power to the precast beam spraying and curing device. The isolation transformer plays a role of a low-pass filter in a power supply system, can effectively isolate power supply disturbance in a construction operation environment, and protects the main control unit. The double-path switching power supply has a wide voltage input range of 110v-240v, and isolated double-path 24v direct current output, so that the power supply of the main control unit can be isolated from the power supply of the sensor circuit, and the sensor adoption accuracy is improved.
The main control unit 11 is connected with the temperature sensor 12, the humidity sensor 13 and the relay KA, and controls the relay according to the temperature data and the humidity data; the output end of the relay KA is connected to the control end of the contactor KM; the spray head is connected to a strong power supply unit through the contactor KM; the relays, the contactors and the spray heads are in one-to-one correspondence. The strong power supply unit provides power for the operation of the spray head and can be 380V alternating current. When the temperature data and the humidity data meet the spraying requirements, spraying operation is required, at the moment, the main control unit generates a control signal for controlling the relay KA to be closed according to the temperature data and the humidity data, and the relay is closed after receiving the control signal; the contactor is connected between the strong current power supply unit and the spray head, and when the contactor is closed, the strong current supplies power to the spray head to realize spraying operation; the operating condition of contactor is decided by the output signal of relay, and the relay plays the function of connecting mainboard and contactor through direction and the switching value output interface connection of main control unit, has strong and weak electric isolation effect, and through relay control contactor, realizes the on-off control effect of forceful electric power (for example 380V alternating current) side. Specifically, when the relay is closed, the relay outputs a signal to close the contactor, and the spray head performs spraying operation; otherwise, when the temperature and humidity data does not meet the spraying requirement, the main control unit controls the relay to be disconnected, the relay cannot output a signal for controlling the contactor to be closed to the contactor, the contactor is disconnected, and the spray head does not perform the spraying operation.
Further, in an embodiment, the temperature sensor and the humidity sensor are connected to the main control unit through an RS485 bus, and perform data acquisition in an MODbus data format. In addition, the communication unit can be set as an LTE communication module, and the LTE communication module is used as a 4G communication module and is inserted into the main control unit in a slot mode to realize 4G communication of the data network.
Further, in an embodiment, the precast beam spraying maintenance device further comprises a touch display screen, the touch display screen is connected to the main control unit through an RS232 serial bus, specifically, the touch display screen can be set to include a 10-inch man-machine interaction page, and is connected with the main control unit inside the machine case through the RS232 serial bus. The case is used for installing the precast beam spraying and maintaining device.
In a specific embodiment, the relay, the contactor and the nozzle are all 8 paths, the main control board card is designed by adopting a similar PLC, wherein the main MCU adopts an NXP-LPC1768 main control chip, and the main control chip comprises an EEPROM, a flash, an RTC processor, 8 paths of analog quantity acquisition input, 2 paths of analog quantity control output, 8 paths of switching quantity acquisition input, 8 paths of switching quantity acquisition output, 2 paths of frequency signal acquisition input acquisition modules, an RS232 serial interface, an RS485 serial interface, an RJ45 Ethernet interface and a limited communication interface of a USB3.0 serial communication bus. Specifically, the temperature and humidity sensor is connected with the main hole through an RS485 bus. Data communication is carried out on the bus in a ModBus protocol data format, and the temperature and the humidity of the current environment are acquired in real time. The RS485 bus type interface can be connected with 16 maximum temperature and humidity sensors according to requirements, so that the arrangement of a construction site is facilitated. The 8-path intermediate relay is connected with the switching value output interface and the contactor control interface of the mainboard, and the switching control of the water spraying port is realized. And when the switching value interface outputs a high level, the water spraying port is opened. And when the switching value interface outputs a low level, the water spraying port is closed. In the touch screen software system, the current temperature and humidity numerical values and the states of all water spraying ports can be displayed. The corresponding spraying time duration under different temperatures and humidities can be preset in a software system. The spraying maintenance operation is automatically operated according to the set time. The design of human-computer interaction display is realized by adopting a touch screen computer with a configuration framework. The design of the configuration software combines the functions of displaying monitoring data, issuing engineering management information on a web master station, displaying data of construction statistical analysis, inputting construction operation and the like. The device can continuously maintain the pre-supported beam for 24 hours according to a maintenance plan; the environmental temperature and humidity can be monitored in real time, and the maintenance watering interval frequency can be intelligently regulated and controlled according to the temperature and humidity level; support the maintenance operation of eight ways of passageways, independent each other is not influenced between the passageway. The recording parameters and the statistical parameters can be sent to the Internet of things platform through a 4G network (communication unit) in real time, and the functions of remote construction management supervision and historical data statistical storage are achieved. In addition, the device is small in size, the problem that most of cabs cannot be installed due to narrow space can be solved through the separation design of the display and the host, and meanwhile, the device is convenient for constructors to operate and visually displays all process parameter information of construction.
In the device, the main control unit comprises a maintenance calculation setting module, a maintenance operation processing module and a maintenance data reporting module. Namely, the device is divided into three structures of maintenance plan setting, maintenance operation processing and maintenance data reporting on the aspect of product function design. And the maintenance plan setting module is used for setting an expected maintenance scheme. The key point is that the maintenance requirement can be set according to the time interval of each day; including the spraying times in the period, the total spraying time in the period and the maximum allowable spraying interval time in the period. And the maintenance operation processing module starts the channel maintenance operation immediately after the maintenance plan is set, and the controller automatically enters a periodic maintenance stage. The maintenance beam is controlled regularly and quantitatively according to the set maintenance plan, and the main controller can finely adjust the maintenance operation according to the real-time temperature and humidity change of the environment, so that high temperature and high spraying frequency are realized; low humidity and high spraying frequency. The maintenance data reporting module is used for reporting the real-time maintenance state by taking fixed time as an interval, such as every minute, when the device is used for spraying maintenance operation. The data includes real-time temperature, real-time humidity, valve status for each channel. Uploading to the server through the 4G network. And the construction related units can be used as engineering maintenance tracing data for reference according to the data.
The device can realize spraying the maintenance in-process, realizes automatic control to multichannel maintenance passageway, according to planned automatic watering operation, according to frequency and the interval of environment humiture automatic control watering. The operation of maintenance personnel is reduced, the maintenance efficiency is improved, and the maintenance is refined. And a graphical construction interface can be provided on a touch display screen of the spraying maintenance device, and technological parameters such as real-time temperature, real-time humidity and maintenance state are displayed, so that a constructor can master the construction state in real time in the construction process.
Based on above-mentioned precast beam sprays curing means, this application embodiment still provides a precast beam sprays maintenance system, includes as above-mentioned precast beam and sprays curing means and server, the server with precast beam sprays curing means's communication unit and communicates, realizes functions such as data report, data are traceed back, maintenance plan setting. The system can monitor and record data in the maintenance process and can report the data to the network cloud platform at the same time. The construction operation data can be analyzed and counted. And judging whether the construction reaches the standard or not, and tracing the data storage. The communication between the device and the server adopts 4G communication, namely the 4G communication is utilized to realize the function of wireless communication between the precast beam spraying maintenance device and the server main station, specifically, Quectrl EC20 can be used as a core, and an LTE 3GPP Rel.11 technology is adopted, wherein the technology supports the maximum downlink rate of 150Mbps and the maximum uplink rate of 50 Mbps; and the module integrates a plurality of constellation GNSS receivers, and the requirements for quick and accurate positioning of the device under different environments can be met.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A precast beam spraying maintenance device is characterized by comprising a main control unit, a voltage conversion unit, a temperature sensor, a humidity sensor, a multi-path relay, a multi-path contactor and a multi-path sprayer;
the voltage conversion unit is connected to the power supply unit and converts a power supply into two paths of power supply outputs, wherein one path of power supply is connected to the main control unit, and the other path of power supply is connected to the temperature sensor and the humidity sensor;
the main control unit is connected with the temperature sensor, the humidity sensor and the relay and controls the relay according to the temperature data and the humidity data; the output end of the relay is connected to the control end of the contactor; the spray head is connected to a strong power supply unit through the contactor; the relays, the contactors and the spray heads correspond one to one; the communication unit is connected with the main control unit.
2. The precast beam spray maintenance device of claim 1, wherein the voltage conversion unit comprises an isolation transformer, and two-way power output is realized by a two-way switching power supply.
3. The precast beam spraying maintenance device of claim 1, wherein the temperature sensor and the humidity sensor are connected with the main control unit through an RS485 bus, and data acquisition is performed in an MODbus data format.
4. The precast beam spraying maintenance device according to claim 1, wherein the communication unit comprises an LTE communication module, and the LTE communication module is inserted into the main control unit in a slot form.
5. The precast beam spraying maintenance device of claim 1, further comprising a touch display screen, wherein the touch display screen is connected to the main control unit through an RS232 serial bus.
6. The precast beam spraying maintenance device of claim 5, wherein the main control unit comprises a maintenance calculation setting module, a maintenance work processing module and a maintenance data reporting module.
7. The precast beam spraying maintenance device according to any one of claims 1 to 5, wherein the relay, the contactor and the spray head are all 8 paths, the main control unit comprises an NXP-LPC1768 main control chip, and the main control chip comprises an EEPROM, a flash, an RTC processor, 8 paths of analog quantity acquisition input, 2 paths of analog quantity control output, 8 paths of switching quantity acquisition input, 8 paths of switching quantity acquisition output, 2 paths of frequency signal acquisition input acquisition modules, an RS232 serial interface, an RS485 serial interface, an RJ45 Ethernet interface and a limited communication interface of a USB3.0 serial communication bus.
8. A precast beam spray curing system comprising the precast beam spray curing device according to any one of claims 1 to 6 and a server, the server communicating with a communication unit of the precast beam spray curing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020370863.9U CN212045268U (en) | 2020-03-20 | 2020-03-20 | Precast beam sprays curing means and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020370863.9U CN212045268U (en) | 2020-03-20 | 2020-03-20 | Precast beam sprays curing means and system |
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| CN212045268U true CN212045268U (en) | 2020-12-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290678A (en) * | 2021-05-28 | 2021-08-24 | 中国建筑土木建设有限公司 | Intelligent spraying maintenance control method, device, equipment and medium |
| CN114189037A (en) * | 2021-10-29 | 2022-03-15 | 北京自动化控制设备研究所 | Power supply circuit for unattended track detection platform |
-
2020
- 2020-03-20 CN CN202020370863.9U patent/CN212045268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290678A (en) * | 2021-05-28 | 2021-08-24 | 中国建筑土木建设有限公司 | Intelligent spraying maintenance control method, device, equipment and medium |
| CN114189037A (en) * | 2021-10-29 | 2022-03-15 | 北京自动化控制设备研究所 | Power supply circuit for unattended track detection platform |
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