CN212299166U

CN212299166U - Remote control system of electric heating heat preservation water pipe

Info

Publication number: CN212299166U
Application number: CN201922119169.XU
Authority: CN
Inventors: 郎金成
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2021-01-05
Anticipated expiration: 2029-11-25

Abstract

A remote control system of an electric heating heat-preservation water pipe solves the reliability problem of remote control of the electric heating heat-preservation water pipe, particularly when the electric heating heat-preservation water pipe is buried in a wall. The method specifically comprises the following steps: the control module is connected with the temperature sensor on the heat preservation water pipe, reads the temperature information of the heat preservation water pipe, and is connected with and controls the relay to carry out heating regulation and control on the electric heater in the constant temperature interval of the heat preservation water pipe; and the temperature control switch is connected, the information that the normally closed temperature control switch is opened when the system exceeds the maximum temperature limit value is read, the relay is controlled to power off the electric heater, the narrowband wireless communication base station is transmitted through the narrowband wireless communication module, an alarm is given to the mobile terminal of a user, and an instruction of the mobile terminal is obtained. The system also has a hidden box which is embedded in the wall together with the water pipe and is convenient for replacing the temperature sensor.

Description

Remote control system of electric heating heat preservation water pipe

Technical Field

The utility model relates to an electrical heating heat preservation water pipe technical field, concretely relates to remote control system of electrical heating heat preservation water pipe.

Background

In the water using occasions of families, offices and business departments, the traditional electric heating water pipe is used for preserving heat, so that the problems that water stops in the pipe and becomes cool when hot water is delivered, the water using feeling is poor, and the water is discharged to waste resources can be prevented; and can also prevent the water pipe from being frozen.

However, the new use scenario puts new requirements on the prior art:

firstly, present house adopts the fitment more, and for pleasing to the eye, most water pipe will bury in the wall, underground, consequently brings new problem: as the repair face is broken during fault maintenance and then restored, the process is complex and the effect is poor, the system is required to be more reliable; the embedded temperature sensor has short service life and is easy to break down, and compared with the service life of a heat-preservation hot water pipe of dozens of years, the embedded temperature sensor requires that the system can give an alarm in time when breaking down and is convenient to replace, namely the system has a means for maintaining high reliability;

secondly, with the development of society, the individualized use of hot water requires accurate and timely supply when in use, and simultaneously, the energy is saved to the utmost extent.

The existing control system design of the electric heating heat-preservation water pipe system does not have remote control and remote alarm for element faults; the design of replacing elements when the water pipe is buried in the wall and underground is not convenient; highly personalized use of hot water and high energy saving are not considered.

The utility model discloses, high reliability, high individuality and the high energy-conserving new requirement to the remote control system of heat preservation water pipe, rely on narrowband thing networking communication to have long-range, timely, reliable, low cost, the information propagation guarantee of popularization, reach the remote control system advantage that timely malfunction alerting handled, the supplementary software and hardware concrete measure of stopping the occurence of failure again to and the measure of conveniently changing vulnerable detecting element, the comprehensive technological advantage of component provides a good scheme of solving above-mentioned problem. Of course, the technology can also be applied to the working condition that the system is not buried on the wall or underground, and the system is more reliable, humanized and energy-saving under the common working condition, and can save a large amount of electric charges for users.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model discloses an electrical heating heat preservation water pipe remote control system adopts following technical scheme, and the system includes:

the electric heater arranged on the heat-insulation water pipe is tightly attached to the water pipe, so that the thermal resistance for compensating heat to the water pipe is reduced, the temperature sensor and the temperature control switch are arranged close to the heater, the heating temperature of the electric heater is accurately measured, and the system is prevented from being overheated;

the system controller is the core of the control system, is internally provided with a control module, a narrow-band Internet of things wireless communication module and a relay and is arranged in a box;

the control module is connected with a temperature sensor on the heat-preservation water pipe to acquire temperature information of the heat-preservation water pipe, and is connected with and controls the on and off of the relay according to a set heat-preservation regulation and control interval to control the on and off of the heater outside the heat-preservation water pipe so as to keep the temperature of the heat-preservation water pipe in a reasonable heat-preservation interval;

the control module is connected with a narrow-band Internet of things wireless communication module (short for narrow-band wireless communication module), the acquired temperature detection information of the temperature sensor is sent to a narrow-band Internet of things wireless communication base station through the narrow-band wireless communication module, and the narrow-band Internet of things wireless communication base station issues the information to the mobile terminal, so that a user can conveniently monitor the temperature detection information remotely;

the control module is also connected with a temperature control switch arranged outside the heat-preservation water pipe, the state of the temperature control switch is switched when the temperature control switch reaches the maximum temperature limit value of the system, namely the overheating temperature limit value of the system, if the state is switched from closed to open or from open to closed, the system is indicated to have a fault at the moment, after the system control module reads the information, the system control module combines the read temperature information of the temperature sensor to give a fault alarm to the mobile terminal and cut off the power supply to the electric heater until a user solves the problem through professionals to determine the safety.

The utility model discloses a narrowband thing networking remote communication route, it is big to have a wireless transmission scope, and the reliability is high, advantage that the expense is low. The user can conveniently carry out remote monitoring and alarming on the overheating fault of the heat preservation water pipe system, and the reliability of the system is greatly improved; the user can also carry out individualized control to the heat preservation water pipe system: for example, the heating function is turned off when hot water is not used for a long time, or the heating function is turned on before hot water is used for half an hour, so that personalized use and energy conservation are facilitated.

The utility model discloses a temperature detect switch comes to increase one safety screen for the safety of system. Because the life of the water pipe buried in the wall is as long as several decades, the life of the sensor is 10 years or less. When the sensor fails or fails, the system may overheat, which may cause the failure or even accident of the whole system, and becomes a hidden trouble of system reliability. The system solves this problem by adding hardware measures of the temperature controlled switch in combination with software. The conversion temperature of the temperature switch is the maximum temperature limit value of the system, the maximum temperature limit value is higher than the upper limit of the normal regulation and control interval of the system, for example, the normal temperature regulation and control interval of the system is 35-70 ℃, and the maximum safe temperature value can be set to be 90 ℃. When the temperature of the system is abnormally 90 ℃, the temperature switch is switched from the original state of normally closed to open, the control module senses the information and takes the measures of alarming and power-off, so that the overheat accident can be avoided.

The utility model discloses except addding temperature detect switch hardware, the diagnosis of "sensor trouble" or "other trouble of system" is made to the following step of system accessible to the operation is reported to the police and is taken for electric heater outage measure to mobile terminal:

the control module reads whether the original state of the temperature control switch is converted into a new state or not:

if yes, reading the temperature detection error of the temperature sensor, and judging whether the temperature detection error is within a reasonable tolerance range: if yes, the sensor has no problem, sends the problem to a narrow-band wireless communication base station, and gives an alarm for other system faults to the mobile terminal; if not, a system sensor fault alarm is given.

If not, reading the information whether the original state of the temperature control switch is converted into the new state or not next time, and repeating the steps for cyclic reading.

When the system control module reads that the temperature switch is converted from the original state to the new state information, the control module controls the relay to power off the electric heater.

The utility model discloses to temperature sensor inefficacy, the problem of convenient regular or irregular change, a specially designed magazine. When the sensor is in failure, the built-in temperature sensor and the built-in temperature control switch can be checked, maintained and replaced in time by opening the concealed box cover.

Furthermore, the heat-preservation water pipe system is provided with at least more than one group of electric heaters, and the electric heaters adopt resistance-type loads; in a residential water supply unit, a control system can control the heat preservation of one water supply pipeline system and can also control a plurality of pipelines from one water supply source in one residential unit.

Furthermore, the temperature control switch adopts a bimetallic strip type with less faults, long service life and low price, and is in a normally closed type, and the temperature switching parameter is selected by taking the maximum temperature limit value of the system as the temperature switching parameter.

Furthermore, the magazine is a square opening plastic or metal box, the magazine is installed underground in the wall along with the water pipe, the setting is in temperature sensor and temperature detect switch top, the magazine divide into lid and box body, open the box body bottom has the opening in can with the water pipe embedding box, make the magazine straddle on the heat preservation water pipe, the heat preservation or the protective layer of water pipe have an opening, the inside pastes water pipe department, be exactly temperature sensor and temperature detect switch, it is very convenient to change the component like this, the box mouth is sealed to the lid of the magazine, it is level with wall or ground.

Further, the system achieves the purpose of heat preservation through the following procedures: the mobile terminal remotely controls the control module, a heat preservation regulation and control interval is preset, the on and off of the relay are controlled accordingly, the on or off of the electric heater is carried out, and heat compensation of the water pipe is carried out, so that the heat preservation water pipe is in the heat preservation regulation and control interval. The temperature sensor outside the heat preservation water pipe detects the water pipe temperature, when the temperature is lower than the preset regulation and control interval lower limit, the control module controls the relay to be closed, the electric heater is heated after being powered on, the water supply pipe supplements heat, the water pipe is heated, when the temperature reaches the preset regulation and control interval upper limit, the control module controls the relay to be opened, the electric heater is powered off and stops heating, the temperature is reduced, when the regulation and control lower limit is reached, the control module starts to control the relay to be closed again, the electric heater is heated by electricity, and the water supply pipe supplements heat.

Furthermore, the controller is installed in a box, and the box is installed on the wall surface close to the heat preservation water pipe, so that the electric wires led out from the heat preservation water pipe are conveniently connected to the system controller box nearby. If the system is a system with one water supply source connected with a plurality of pipelines, the system controller box is arranged close to the water supply source end, the installation and wiring of wires from a main pipe to a branch pipe are facilitated, one water supply source is connected with one pipe, and the system controller box can be arranged close to the water supply source end or the use end.

Furthermore, the heat preservation regulation and control interval of the heat preservation water pipe is 35-70 ℃, the maximum temperature limit value used for overheat alarm is set within the range of 80-90 ℃, and the temperature detection of the temperature sensor is determined to be in fault, and the temperature value exceeds the maximum temperature limit value within the range of +/-5 ℃.

The remarkable effects are as follows: the utility model provides an electrical heating heat preservation water pipe remote control system through on the electrical heating heat preservation water line between water source to use terminal, sets up temperature remote control system, can guarantee to give the compensation to raceway energy loss, makes water supply terminal's leaving water temperature at comfortable within range. The software and hardware combination of the system can be realized, the instant temperature data and the fault alarm information of the water pipe are issued to the mobile terminal through the narrow-band wireless communication base station, the monitoring and the operation of a user are convenient, the operation reliability of the equipment is improved, and powerful measures are provided for avoiding overheating of the system. The cassette is convenient for replacement according to the service life of the sensor element and the occurrence of faults. The average failure recovery time of the whole life cycle can be shortened to below 20 percent of the original average failure recovery time. The system can also run in a state of taking water individuation and energy conservation into consideration, and the comprehensive energy conservation reaches more than 40 percent.

Drawings

FIG. 1 is a block diagram of the system of the present invention;

fig. 2 is a cassette diagram.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, a remote control system for an electrically heated insulated water pipe includes: the device comprises a heat preservation water pipe 1, a heat preservation protective layer opening 101, a heat preservation protective layer 102, a water pipe 103, a temperature sensor 2, a temperature control switch 3 and an electric heater 4; a system controller 5, a control module 501, a narrow-band wireless communication module 502 and a relay 503; a narrowband wireless communication base station 6 and a mobile terminal 7; cassette 8, box cover 801, box body 802 and gap 803.

Detailed Description

A remote control system of an electric heating heat preservation water pipe specifically comprises the following components:

the temperature sensor 2 and the temperature control switch 3 arranged on the water pipe 1 are connected with a control module 501 arranged in a system controller 5, the electric heater 4 on the water pipe 1 is connected with a relay 503 in the controller 5, the relay 503 is connected with the control module 501, a narrow-band wireless communication module 502 is further arranged in the system controller 5, and the control module 501 is wirelessly connected with a narrow-band wireless communication base station 6 through the narrow-band wireless communication module and is connected with a mobile terminal 7.

The temperature sensor 2 and the temperature control switch 3 are tightly attached to the water pipe 103 and arranged at a place close to the electric heater 4, so that the temperature change of the water pipe 103 can be accurately detected, and the system overheating caused by detection errors is avoided; the electric heater 4 is also arranged close to the water pipe 103 so as to reduce the thermal resistance when the water pipe 103 compensates the heat, and the water pipe 103 is arranged outside the electric heater 4 and is also provided with functional layers such as a heat preservation protective layer 102 and the like. At least one group of electric heaters 4 are arranged in one set of the heat-preservation water pipe 1 system.

The controller 5 is installed in a box installed on the wall surface near the thermal insulation water pipe 1. If the system is a system in which one water supply source is connected with a plurality of heat preservation water pipes 1, a box of a system controller 5 is arranged close to a water supply source end, one water supply source is connected with one heat preservation water pipe 1, and the box of the controller 5 can be arranged close to the water supply source end or a use end.

A control module 501 in the system control box 5 is connected with the temperature sensor 3 to acquire temperature information of the heat preservation water pipe 1, and controls the on and off of the relay 503 according to a temperature regulation and control interval preset by the mobile terminal 7 to control the on and off of the electric heater 4 arranged on the heat preservation water pipe 1, so that the purpose of regulating and controlling the temperature of the heat preservation water pipe 1 in a reasonable heat preservation interval is achieved; the temperature control switch 3 is connected, and the state conversion information of the temperature control switch 3 when the temperature control switch exceeds the maximum temperature limit value of the system is received, so that alarm judgment and power failure are carried out;

the control module 501 is also connected with a narrowband wireless communication module 502. The temperature information or alarm information acquired by the control module 201 is wirelessly transmitted to the mobile terminal 7, and the instruction of the mobile terminal 7 is transmitted back to the control module 501, so that the user can conveniently monitor the temperature information or alarm information remotely.

At least more than one group of electric heaters 4 are arranged in the system, and the electric heaters 4 are resistance-type loads; in a residential water supply unit, a controller 5 can control the electric heater 4 of one of the insulated water pipes 1, and can also control the electric heaters 4 of the pipelines of a plurality of insulated water pipes 1 from one water supply source.

The temperature switch 3 has few selected faults, long service life and low price; the temperature control switch is normally closed, and the state conversion temperature of the temperature control switch is the same as the maximum temperature limit value of the system.

The control module 501 has the following steps for alarming the element fault:

the control module 501 reads the information of whether the state of the temperature switch 3 is converted or not, i.e. the information of converting from the normally closed state to the open state:

if yes, reading the temperature value of the temperature sensor 2, and judging whether the temperature value exceeds the maximum temperature limit interval of the system: if yes, sending the data to a narrow-band wireless communication base station 6, and giving an alarm of 'sensor fault' to a mobile terminal 7 of a user; if not, alarming for other system faults.

If not, reading the information of whether the temperature switch 3 is turned on next time, and repeating the steps for cyclic reading.

When reading the opening information of the temperature control switch 3, the control module 5 closes the relay 4 and cuts off the power of the electric heater 4 until the user determines safety and determines power supply through the mobile terminal 7.

Aiming at the short service life or failure of the temperature sensor 2, the cassette 8 is specially arranged for regular or irregular replacement, the cassette 8 is a square opening plastic or metal box, the bottom of the box is provided with a groove 802 for embedding a water pipe into the box, the water pipe is embedded into the groove, and the heat-insulating protective layer 103 of the water pipe is provided with an opening heat-insulating protective layer 101 which can expose the temperature sensor 3 and the temperature switch 4; when the heat-insulating water pipe 1 is installed in a wall, the cassette 8 is mounted on the heat-insulating water pipe 1 in a straddling mode, the position is the place where the temperature switch 3 of the temperature sensor 2 is installed, the outside of the cassette is sealed by the cassette cover 801 and is level with the wall surface and the ground, and once the heat-insulating water pipe 1 fails, the cassette can be maintained by opening the cassette cover 801.

The remote control system achieves the purpose of regulation and control through the following temperature nodes: the temperature sensor 3 outside the heat-preservation water pipe is used for detecting the temperature information of the water pipe 1, when the temperature information is lower than the lower limit of the regulation and control interval, the control module 501 controls the electric heater 4 to start to supplement energy to the heat-preservation water pipe 1 through the relay 503, after the water is heated, when the temperature information outside the heat-preservation water pipe 1 is higher than the upper limit of the regulation and control interval, the control module 501 controls the electric heater to stop supplementing energy to the heat-preservation water pipe 1 through the relay 503, and the heat-preservation water pipe 1 is kept in the preset interval in a heat preservation; when the system fails and the temperature of the water pipe 1 reaches a set system maximum temperature limit value between 80 and 90 ℃, the state of the temperature control switch 4 is switched from off to on, and the system gives an alarm and turns off the power supply.

It is stated that: the above description is only an example of the present invention, and it is understood that the present invention can be modified and varied by those skilled in the art, and the present invention should be considered as the protection scope if the modifications and variations are within the scope of the present invention and the equivalent technology.

Claims

1. The utility model provides a remote control system of electrical heating heat preservation water pipe which characterized in that:

the system comprises a system controller (5), a built-in control module (501), a narrow-band wireless communication module (502) and a relay (503); the system controller (5) is composed of a narrow-band wireless communication base station (6) and a mobile terminal (7) which are connected in a wireless mode; the temperature sensor (2), the temperature control switch (3) and the electric heater (4) are arranged on the heat-preservation water pipe (1), and the cassette (8) for the temperature sensor (2) and the temperature control switch (3) is convenient to replace;

a control module (501) in the system controller (5) is connected with the temperature sensor (2) to read the temperature information of the heat preservation water pipe (1), and is connected with and controls the relay (503) to enable the electric heater (4) to carry out heat compensation on the heat preservation water pipe (1) in a temperature regulation and control interval; the temperature control switch (3) is connected, and after the state conversion information of the temperature control switch (3) is read, the command relay (503) is used for power-off protection of the electric heater (4); the control module (501) is connected with the narrow-band wireless communication module (502), transmits the temperature and alarm information to the mobile terminal (7) through the narrow-band wireless communication base station (6), acquires the instruction and transmits the instruction back to the control module (501).

2. The remote control system of the electric heating heat preservation water pipe of claim 1, characterized in that: and the state conversion temperature of the temperature control switch (3) is the same as the maximum temperature limit value of the system, and the state of the temperature control switch (3) is changed when the temperature of the heat preservation water pipe (1) reaches the maximum temperature limit value of the system.

3. The remote control system of the electric heating heat preservation water pipe of claim 1, characterized in that: in order to conveniently overhaul or replace the temperature sensor (2) and the temperature control switch (3), when the heat-preservation water pipe (1) is buried in a wall, the heat-preservation water pipe is buried with the hidden box (8); the cassette (8) is divided into a box cover (801) and a box body (802), a notch (803) at the bottom of the box body (802) straddles on the heat-preservation hot water pipe (1), the heat-preservation hot water pipe (1) is provided with a heat-preservation protective layer opening (101), a temperature sensor (2) and a temperature control switch (3) are arranged in the heat-preservation hot water pipe, and the box cover (801) is flush with the wall surface.

4. The remote control system of the electric heating heat preservation water pipe of claim 1, characterized in that: the electric heater (4) is at least more than one group of electric heating wires; the mobile terminal (7) remotely operates the control module (501), a heat preservation regulation and control interval is preset, and the on and off of the relay (503) are controlled according to the heat preservation regulation and control interval, so that the electric heater (4) is powered on or off to perform heat compensation, and the temperature of the heat preservation water pipe (1) is in the heat preservation regulation and control interval.

5. The remote control system of the electric heating heat preservation water pipe of claim 1, characterized in that: the system controller (5) is arranged in a box, and the box is arranged on the wall surface close to the heat preservation water pipe; if the system is a system with one water supply source connected with a plurality of water supply pipelines, the box is arranged close to the water supply source end, one water supply source is connected with one water supply pipeline, and the box is arranged at the water supply source end or the use end.

6. The remote control system for the electric heating heat preservation water pipe according to claim 1, 2 or 5, characterized in that: the heat preservation regulation and control interval of the heat preservation water pipe (1) is 35-70 ℃; the maximum temperature limit value of overheating alarm is 80-90 ℃; determining the error range of the fault of the temperature sensor (2) to be +/-5 ℃ exceeding the maximum temperature limit value; the temperature control switch (3) is normally closed.