CN205481817U - Constant temperature water supply system based on PLC closed -loop control - Google Patents
Constant temperature water supply system based on PLC closed -loop control Download PDFInfo
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- CN205481817U CN205481817U CN201620105052.XU CN201620105052U CN205481817U CN 205481817 U CN205481817 U CN 205481817U CN 201620105052 U CN201620105052 U CN 201620105052U CN 205481817 U CN205481817 U CN 205481817U
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- water
- constant temperature
- water heater
- temperature
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Abstract
The utility model discloses a constant temperature water supply system based on PLC closed -loop control, including a plurality of water heaters, still include: a plurality of temperature sensor, it is located respectively in the water heater, the PLC controller, a plurality of temperature sensor and a plurality of level sensor are connected with the PLC controller respectively, and the heating wire and the water inlet valve of a plurality of water heaters are connected with the PLC controller respectively, are controlled intaking of a plurality of water heaters respectively and are heated by the PLC controller, and the touch -sensitive screen, this touch -sensitive screen is connected with the PLC controller for setting for the constant temperature default of every water heater respectively, controlling a plurality of water heaters respectively by the PLC controller and heat, when the temperature degree of a plurality of water heaters exceeded respective constant temperature default respectively, increase water inlet valve was controlled respectively to the PLC controller, when the temperature degree is less than respective constant temperature default respectively, reduce the water inlet valve. This system can many hot water appliance of simultaneous control, and to control hydrothermal temperature more stable.
Description
Technical field
This utility model relates to domestic hot water's technical field of electric appliances, particularly to one based on PLC closed loop control
The constant temperature water supply system of system.
Background technology
Nowadays growing along with science and technology, people are more and more higher for the requirement of life.In family life
Hot water is in great demand, washing one's face and rinsing one's mouth at ordinary times, cleans kitchen tools and drink and be required for hot water.Tradition
Water heater have electric heater, gas water heater and solar water heater etc., the water heater of this quasi-tradition
Pre-cooling the most before use, after waiting that hot water has instigated lamp bright, could use, this type of water heater
Water temperature also needs later stage Non-follow control water inlet to regulate, and temperature or high or low is brought to people's daily life
Certain inconvenience, and hot water amount is the most fairly limited.Particularly when people's many urgent needs hot water, traditional this heat
Water mode just seems inconvenient especially.
Chinese utility model patent CN104359227 discloses a kind of control based on PLC electric heater
System, this control system includes electric heater main body；PLC processor；Digital-to-analogue analog quantity converter；Temperature
Degree, liquid level sensor；Current transformer；Signal receiver and remote controller and display screen.And this PLC
Connect on processor and have alarm, display.The operation button of this system includes start-stop button, cuts out and press
Button, liquid level button, homoiothermic button.The feature of this system can control water outlet of water heater temperature to a certain extent
Degree, owing to this control system does not has feedback element, it is difficult to ensures leaving water temperature value, and does not make full use of
The control ability of PLC, individually controls water heater so that Financial cost is bigger.
The information being disclosed in this background section is merely intended to increase general background of the present utility model
Understand, and be not construed as recognizing or imply in any form that this information structure is for the general skill in this area
Prior art well known to art personnel.
Utility model content
The purpose of this utility model is to provide a kind of constant temperature water supply system based on PLC closed loop control, its
The temperature that can simultaneously control multiple stage hot water facility and control hot water is more stable.
For achieving the above object, this utility model provides a kind of constant temperature water supply based on PLC closed loop control
System, including multiple water heaters, also includes: multiple temperature sensors, and it is respectively arranged on a described heat
In hydrophone, for obtaining the coolant-temperature gage of multiple described water heater；Multiple liquid level sensors, it is respectively arranged on
In one described water heater, for obtaining the water liquid level of multiple described water heater；PLC, multiple
Described temperature sensor and multiple described liquid level sensor are connected with described PLC respectively, Duo Gere
The heating wire of hydrophone and water inlet valve are connected with described PLC respectively, by described PLC
Control water inlet and the heating of multiple described water heater respectively；And touch screen, this touch screen and described PLC
Controller connects, and for setting the constant temperature preset value of each described water heater respectively, described PLC controls
Device controls multiple described water heater respectively and heats, when the coolant-temperature gage of multiple described water heaters exceedes respectively
During respective constant temperature preset value, described PLC controls to enter described in the increase of multiple described water heater respectively
Mouth of a river valve；When the coolant-temperature gage of multiple described water heaters is respectively lower than respective constant temperature preset value, described
PLC controls multiple described water heater respectively and reduces described water inlet valve.
Preferably, in technique scheme, multiple described temperature sensors and multiple described liquid level sensor
It is connected with described PLC by digital to analog converter.
Preferably, in technique scheme, described touch screen is additionally operable to monitor water temperature and display water level in real time.
Preferably, in technique scheme, also include Digiplex and signal receiver, described signal
Receptor is connected with described PLC, described Digiplex and described signal receiver wireless connections,
This Digiplex is for setting the constant temperature preset value of each described water heater and opening described PLC
Control water inlet and the heating of multiple described water heater respectively.
Preferably, in technique scheme, also include alarm, this alarm and described PLC
Connecting, when the liquid level of described water heater is above or below safety level, described PLC controls institute
The water inlet valve stating water heater is closed or opens and report to the police.
Preferably, in technique scheme, described PLC by D/A converter module respectively with often
The water inlet valve of individual described water heater connects.
Compared with prior art, this utility model has the advantages that
This utility model utilizes the closed loop control of PLC, controls multiple electrical appliance the most respectively, carries
The high utilization rate of PLC, reduces cost to a certain extent.The hot water temperature of the most controlled water heater is begun
Maintain eventually about the temperature that user sets, and remaining difference is the least, and use of washing one's face and rinsing one's mouth can be met simultaneously, clean kitchen
Tool is used, the constant temperature supply of drinking hot water so that the service of domestic hot water's supply system is more personalized and automatic
Change.
Accompanying drawing explanation
Fig. 1 is the structural framing figure according to this utility model constant temperature water supply based on PLC closed loop control system.
Fig. 2 is the use state diagram according to this utility model constant temperature water supply based on PLC closed loop control system.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described in detail, but it should reason
Solve protection domain of the present utility model not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " bag
Include " or its conversion as " comprising " or " including " etc. will be understood to comprise stated element or
Ingredient, and do not get rid of other element or other ingredient.
As shown in Figure 1 to Figure 2, according to this utility model detailed description of the invention based on PLC closed loop control
Constant temperature water supply system, including multiple water heaters 2, multiple temperature sensor 3, multiple liquid level sensor 4,
PLC 1, touch screen 8 and alarm 11；Multiple temperature sensors 3 are respectively arranged on a heat
In hydrophone 2, for obtaining the coolant-temperature gage of multiple water heater 2 respectively；Multiple liquid level sensors 4 set respectively
In a water heater 2, for obtaining the water liquid level of multiple water heater 2 respectively；Multiple temperature sensors 3
It is connected with PLC 1 by digital to analog converter 7 respectively with multiple liquid level sensors 4, multiple hot water
Heating wire 5 and the water inlet valve 6 of device 2 are connected with PLC 1 respectively, in this embodiment,
PLC 1 is passed through the D/A converter module 7 water inlet valve 6 respectively with each water heater 2 and is connected,
Water inlet and the heating of multiple water heater 2 is controlled respectively by PLC 1；Touch screen 8 controls with PLC
Device 1 connects, and for setting the constant temperature preset value of each water heater 2, PLC 1 controls respectively
Multiple water heaters 2 heat, and preset when the coolant-temperature gage of multiple water heaters 2 exceedes respective constant temperature respectively
During value, PLC 1 controls multiple water heater 2 respectively and increases water inlet valve 6；When multiple hot water
When the coolant-temperature gage of device 2 is respectively lower than respective constant temperature preset value, PLC 1 controls multiple heat respectively
Hydrophone 2 reduces water inlet valve 6, and touch screen 8 is additionally operable to monitor water temperature and display water level in real time simultaneously.
With further reference to Fig. 1 and Fig. 2, for convenience of operation, Digiplex 10 can be introduced and signal receives
Device 9, signal receiver 9 is connected with PLC 1, Digiplex 10 and signal receiver 9 nothing
Line connects, and this Digiplex 10 is for setting the constant temperature preset value of each water heater 2 and opening PLC control
Device 1 processed controls water inlet and the heating of multiple water heater 2 respectively.Alarm 11 is connected with PLC 1,
When the liquid level of water heater 2 is above or below safety level, PLC 1 controls entering of water heater 2
Mouth of a river valve 6 closes or opens and reports to the police.
During use, with reference to Fig. 2, illustrating with 3 water heaters 2,3 water heaters 2 are divided into use of washing one's face and rinsing one's mouth
Water heater, cleaning kitchen tools water heater and drinking water heater, after water system energising, if water level is less than
During home, PLC 1 sends instruction, and alarm 11 is reported to the police, and controls entering of water heater 2
Mouth of a river valve 6 is opened and is added water, and is shown by the liquid level of touch screen 8 and can be directly viewable water level, then
Set water temperature to be kept to the heating wire 5 of different water heater 2 by touch screen 8 or Digiplex 10
Value so that PLC 1 controls water heater 2 and heats water to design temperature, further, at water
During use, PLC 1 is by comparing real time temperature and design temperature, and PLC 1 is defeated
Go out digital quantity operation result control water heater 2 water inlet valve 6 size, reasonable tuning parameter, can
Near design temperature and remaining difference is less to ensure water temperature, it is possible to achieve the function of the different constant supplies of water temperature.
To sum up, this utility model utilizes the closed loop control of PLC, controls multiple electricity consumption the most respectively
Device, improves the utilization rate of PLC, reduces cost to a certain extent.The hot water of the most controlled water heater
Temperature maintains about the temperature that user sets all the time, and remaining difference is the least, and can meet simultaneously use of washing one's face and rinsing one's mouth,
Cleaning kitchen tools are used, the constant temperature supply of drinking hot water so that the service of domestic hot water's supply system is more personalized
And automatization.
The aforementioned description to specific illustrative embodiment of the present utility model illustrates that and the mesh of illustration
's.These describe and are not wishing to be defined to this utility model disclosed precise forms, and it will be apparent that
According to above-mentioned teaching, can much change and change.Exemplary embodiment is selected and describes
Purpose be to explain certain principles of the present utility model and actual application thereof, so that the skill of this area
Art personnel be capable of and utilize various different exemplary of the present utility model and various not
Same selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (6)
1. a constant temperature water supply system based on PLC closed loop control, including multiple water heaters, its feature exists
In, also include:
Multiple temperature sensors, it is respectively arranged in a described water heater, is used for obtaining multiple described heat
The coolant-temperature gage of hydrophone；
Multiple liquid level sensors, it is respectively arranged in a described water heater, is used for obtaining multiple described heat
The water liquid level of hydrophone；
PLC, multiple described temperature sensors and multiple described liquid level sensor are respectively with described
PLC connect, the heating wire of multiple water heaters and water inlet valve respectively with described PLC
Connect, described PLC control water inlet and the heating of multiple described water heater respectively；And
Touch screen, this touch screen is connected with described PLC, for setting each described hot water respectively
The constant temperature preset value of device, is controlled multiple described water heater respectively by described PLC and heats, when
When the coolant-temperature gage of multiple described water heaters exceedes respective constant temperature preset value respectively, described PLC is divided
Do not control multiple described water heater and increase described water inlet valve；When the coolant-temperature gage of multiple described water heaters divides
Not Di Yu respective constant temperature preset value time, described PLC control respectively multiple described water heater reduce
Described water inlet valve.
Constant temperature water supply system based on PLC closed loop control the most according to claim 1, its feature exists
In, multiple described temperature sensors and multiple described liquid level sensor are by digital to analog converter and described PLC
Connect.
Constant temperature water supply system based on PLC closed loop control the most according to claim 1, its feature exists
In, described touch screen is additionally operable to monitor water temperature and display water level in real time.
Constant temperature water supply system based on PLC closed loop control the most according to claim 1, its feature exists
In, also including Digiplex and signal receiver, described signal receiver is with described PLC even
Connecing, described Digiplex and described signal receiver wireless connections, this Digiplex is used for setting often
The constant temperature preset value of individual described water heater is also opened described PLC and is controlled multiple described water heater respectively
Water inlet and heating.
Constant temperature water supply system based on PLC closed loop control the most according to claim 1, its feature exists
In, also including alarm, this alarm is connected with described PLC, when the liquid level of described water heater
During above or below safety level, described PLC controls the water inlet valve of described water heater and closes
Or open and report to the police.
Constant temperature water supply system based on PLC closed loop control the most according to claim 1, its feature exists
In, described PLC by D/A converter module respectively with the water inlet valve of each described water heater
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105052.XU CN205481817U (en) | 2016-02-02 | 2016-02-02 | Constant temperature water supply system based on PLC closed -loop control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105052.XU CN205481817U (en) | 2016-02-02 | 2016-02-02 | Constant temperature water supply system based on PLC closed -loop control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205481817U true CN205481817U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620105052.XU Expired - Fee Related CN205481817U (en) | 2016-02-02 | 2016-02-02 | Constant temperature water supply system based on PLC closed -loop control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205481817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571145A (en) * | 2016-02-02 | 2016-05-11 | 广西大学 | Constant-temperature water supply system based on PLC closed-loop control |
-
2016
- 2016-02-02 CN CN201620105052.XU patent/CN205481817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571145A (en) * | 2016-02-02 | 2016-05-11 | 广西大学 | Constant-temperature water supply system based on PLC closed-loop control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |