CN205742364U - A kind of constant temperature and pressure water system - Google Patents
A kind of constant temperature and pressure water system Download PDFInfo
- Publication number
- CN205742364U CN205742364U CN201620422172.2U CN201620422172U CN205742364U CN 205742364 U CN205742364 U CN 205742364U CN 201620422172 U CN201620422172 U CN 201620422172U CN 205742364 U CN205742364 U CN 205742364U
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- CN
- China
- Prior art keywords
- water
- attemperater
- constant temperature
- plc
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
A kind of constant temperature and pressure water system, including inlet channel, attemperater and Cool-water Machine for Industry group, described inlet channel is connected with attemperater, is provided with water level switch in attemperater, also includes water supply line, circulating backwater pipeline, by-pass line and cyclic water outlet pipeline;Wherein, one end of water supply line is connected with the feed water inlet of attemperater, one end of circulating backwater pipeline exports with the circulating backwater of attemperater and is connected, the other end of circulating backwater pipeline is connected with the water inlet of Cool-water Machine for Industry group, one end of by-pass line is connected with the bypass outlet of attemperater, the other end of by-pass line is connected with the other end of water supply line, one end of cyclic water outlet pipeline is connected with the circulating backwater import of attemperater, the other end of cyclic water outlet pipeline is connected with the outlet of Cool-water Machine for Industry group, and water level switch connects with PLC.This utility model have easy and simple to handle, control sensitive, hydraulic pressure and the most relatively stable feature of water temperature.
Description
Technical field
This utility model relates to a kind of constant temperature and pressure water system.
Background technology
According to GB GB 25034-2010 " gas-heating water heater ", GB 6932-2001 " domestic gas
Fast water heater " test request, water heater, the performance test of wall-hung boiler need provide constant temperature supply continuously
Water, and in test process, hydraulic demand is stable, to ensure stablizing of discharge.If used certainly
Water, water temperature cannot meet the requirement of GB: the when of summer, water temperature is higher, exceeds the rule of GB
Definite value, the when of winter, water temperature ratio is relatively low, low target setting of going abroad.Further, running water pressure Reeb
Dynamic bigger, test process easily causes the fluctuation of discharge, affects test result.
It is cold that Chinese patent literature CN 203413834 U disclosed a kind of band on 01 29th, 2014
The constant temperature circulating water system of hot water impact test function, includes central control unit, the control of described central authorities
Unit processed is connected to cold water water system and hot water supply system.Described central control unit includes
Programmable logic controller (PLC) and converter, described programmable logic controller (PLC) is respectively connecting to cold water for water system
System and hot water supply system, the outfan of described programmable logic controller (PLC) is connected to converter (5)
Input, the outfan of described converter is respectively connecting to input and the hot water water supply of cold water water system
The input of system.Described cold water water system includes cold tanks, cold water effluent water pump, catalyst
With air cooling cold water air conditioning group, described programmable logic controller (PLC) passes through catalyst and air cooling cold water air conditioning
Group connects, and described air cooling cold water air conditioning group includes vaporizer, and described vaporizer is arranged at cold tanks
In, the outlet of described cold tanks connects with the water inlet of cold water effluent water pump;Described hot water is for water system
System includes hot water, hot water effluent's water pump, solid-state relay and heater, described FPGA
Controller is connected to heater by solid-state relay, and described heater is arranged in hot water, described
The outlet of hot water connects with the water inlet of hot water effluent's water pump;The outfan of described converter is respectively
It is connected to input and the input of hot water effluent's water pump of cold water effluent water pump.
Utility model content
The purpose of this utility model aim to provide a kind of easy and simple to handle, control sensitive constant temperature and pressure for water system
System, to overcome weak point of the prior art.
A kind of constant temperature and pressure water system designed by this purpose, including inlet channel, attemperater and work
Industry handpiece Water Chilling Units, described inlet channel is connected with attemperater, is provided with water level switch in attemperater,
Its architectural feature is also to include water supply line, circulating backwater pipeline, by-pass line and cyclic water outlet pipeline;
Wherein, one end of water supply line is connected with the feed water inlet of attemperater, one end of circulating backwater pipeline with
The circulating backwater outlet of attemperater is connected, the other end of circulating backwater pipeline and Cool-water Machine for Industry group
Water inlet is connected, and one end of by-pass line is connected with the bypass outlet of attemperater, by-pass line
The other end be connected with the other end of water supply line, one end of cyclic water outlet pipeline is followed with attemperater
Loopback water inlet is connected, and the other end of cyclic water outlet pipeline is connected with the outlet of Cool-water Machine for Industry group
Logical, water level switch connects with PLC.
Further, described inlet channel being provided with moisturizing electromagnetic valve, this moisturizing electromagnetic valve connects with PLC.
Further, described inlet channel is additionally provided with moisturizing ball valve, this moisturizing ball valve and moisturizing electromagnetic valve
In parallel.
Further, described circulating backwater pipeline is disposed with the second butterfly valve, circulating pump, temperature pick-up
Device, the first filter and the first butterfly valve;Circulating pump connects with PLC, and temperature transmitter connects with PLC.
Further, described cyclic water outlet pipeline is provided with the 3rd butterfly valve.
Further, described water supply line is disposed with the 4th butterfly valve, the second filter, feed pump,
Pressure transmitter and the 5th butterfly valve, feed pump is connected with PLC by converter, pressure transmitter and PLC
Connect.
Further, described constant temperature and pressure water system, also include pressurized tank, this pressurized tank is by bypass
Pipeline communication is between feed pump and pressure transmitter.
Further, one end of described by-pass line is connected with attemperater, and the other end of by-pass line is even
Leading between feed pump and pressure transmitter, pressurized tank connects with the middle part of by-pass line, on by-pass line
Being additionally provided with release valve ball, this release valve ball is arranged between attemperater and pressurized tank.
Further, described water supply line being additionally provided with accurate pointer gauge, this precision pointer gauge is positioned at water supply
Between pump and the 5th butterfly valve.
One end of water supply line in this utility model is connected with the feed water inlet of attemperater, circulating backwater
One end of pipeline exports with the circulating backwater of attemperater and is connected, the other end of circulating backwater pipeline and work
The water inlet of industry handpiece Water Chilling Units is connected, and one end of by-pass line is connected with the bypass outlet of attemperater
Logical, the other end of by-pass line is connected with the other end of water supply line, one end of cyclic water outlet pipeline and
The circulating backwater import of attemperater is connected, the other end of cyclic water outlet pipeline and Cool-water Machine for Industry group
Outlet is connected, and water level switch connects with PLC;Wherein, PLC is mainly responsible for collecting sensor collection
Data, control circulating pump, feed pump and the action of moisturizing electromagnetic valve;Touch screen connects with PLC,
Touch screen is as man machine interface, using the teaching of the invention it is possible to provide the function that parameter is arranged, data show in real time, industry cold water
Unit ensure that the operating mode of constant temperature.
Moisturizing electromagnetic valve it is provided with, this moisturizing electromagnetic valve and PLC phase on inlet channel in this utility model
Connect;Being additionally provided with moisturizing ball valve on described inlet channel, this moisturizing ball valve is in parallel with moisturizing electromagnetic valve;Logical
Cross unlatching moisturizing electromagnetic valve or moisturizing ball valve, moisturizing can be carried out to attemperater, and when moisturizing electromagnetism
When valve damages, the available manual moisturizing of moisturizing ball valve;Thus expand the scope of application of this product.
Feed pump in this utility model is connected with PLC by converter, and pressure transmitter connects with PLC;
After the water temperature in attemperater arrives design temperature, so that it may start feed pump and supply water to watering equipment.With
Family can set pressure of supply water on the touchscreen, thus automatic water pressure adjustment.Constant voltage of the present utility model supplies
Water principle is: feed pump is driven by converter, controls turning of water pump by changing the frequency of converter
Speed, reaches to regulate the purpose of pressure;Further, water supply line is equiped with pressure transmitter, passes through pressure
The signal that transmitter gathers can be with Real-time Feedback to PLC;And the signal that PLC feeds back according to pressure transmitter
The setting value of value and user carries out PID arithmetic, exports different frequency signals to converter such that it is able to
Control the rotating speed of water pump.
One end of by-pass line in this utility model is connected with attemperater, the other end of by-pass line
Being communicated between feed pump and pressure transmitter, pressurized tank connects with the middle part of by-pass line, by-pass line
On be additionally provided with release valve ball, this release valve ball is arranged between attemperater and pressurized tank;By arranging
Pressurized tank, can make pressure of supply water more stable.
In sum, this utility model have easy and simple to handle, control sensitive, be capable of automatically controlling confession
Coolant-temperature gage and the most relatively stable feature of pressure of supply water, hydraulic pressure and water temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
Fig. 2 is schematic perspective view of the present utility model.
Fig. 3 is control block diagram of the present utility model.
In figure: 1 is inlet channel, 2 is moisturizing electromagnetic valve, and 3 is moisturizing ball valve, and 4 is attemperater,
5 is water level switch, and 6 is circulating pump, and 7 is Cool-water Machine for Industry group, and 8 is feed pump, and 9 is water supply line,
9.1 is the 4th butterfly valve, and 9.2 is the second filter, and 9.3 is accurate pointer gauge, and 9.4 is pressure transmitter,
9.5 is the 5th butterfly valve, and 10 is circulating backwater pipeline, and 10.1 is temperature transmitter, and 10.2 is the first mistake
Filter, 10.3 is the first butterfly valve, and 10.4 is the second butterfly valve, and 11 is by-pass line, and 12 is release valve ball,
13 is pressurized tank, and 14 is cyclic water outlet pipeline, and 14.1 is the 3rd butterfly valve, and 20 is base plate, and 21 is electricity
Control case.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
Seeing Fig. 1-Fig. 3, this constant temperature and pressure water system, including inlet channel 1, attemperater 4 and
Cool-water Machine for Industry group 7, described inlet channel 1 is connected with attemperater 4, arranges in attemperater 4
There is water level switch 5, also include water supply line 9, circulating backwater pipeline 10, by-pass line 11 and circulation
Outlet conduit 14;Wherein, one end of water supply line 9 is connected with the feed water inlet of attemperater 4, follows
One end of loopback waterpipe 10 exports with the circulating backwater of attemperater 4 and is connected, circulating backwater pipeline
The other end of 10 is connected with the water inlet of Cool-water Machine for Industry group 7, one end of by-pass line 11 and insulation
The bypass outlet of water tank 4 is connected, the other end of by-pass line 11 and the other end of water supply line 9
Being connected, one end of cyclic water outlet pipeline 14 is connected with the circulating backwater import of attemperater 4, follows
The other end of ring outlet conduit 14 is connected with the outlet of Cool-water Machine for Industry group 7, water level switch 5 with
PLC connects.Water level switch 5 feeds back liquid level signal to PLC.
In the present embodiment, described inlet channel 1 is provided with moisturizing electromagnetic valve 2, this moisturizing electromagnetic valve
2 connect with PLC.
It is additionally provided with moisturizing ball valve 3, this moisturizing ball valve 3 and moisturizing electromagnetic valve 2 on described inlet channel 1
In parallel.
The second butterfly valve 10.4, circulating pump 6, temperature change it is disposed with on described circulating backwater pipeline 10
Send device the 10.1, first filter 10.2 and the first butterfly valve 10.3;Circulating pump 6 connects with PLC, temperature
Transmitter 10.1 connects with PLC.Temperature transmitter 10.1 feedback temperature signal is to PLC.
It is provided with the 3rd butterfly valve 14.1 on described cyclic water outlet pipeline 14.
Be disposed with on described water supply line 9 the 4th butterfly valve the 9.1, second filter 9.2, feed pump 8,
Pressure transmitter 9.4 and the 5th butterfly valve 9.5, feed pump 8 is connected with PLC by converter, and pressure becomes
Device 9.4 is sent to connect with PLC.Pressure transmitter 9.4 feedback pressure signal is to PLC.
Feed pump is driven by converter, controls the rotating speed of feed pump by changing the frequency of converter,
Reach to regulate the purpose of pressure.
In the present embodiment, PLC can control the work shape of feed pump 8, moisturizing electromagnetic valve 2, circulating pump 6
State.
Described constant temperature and pressure water system, also includes pressurized tank 13, and this pressurized tank 13 passes through bypass pipe
Road 11 is communicated between feed pump 8 and pressure transmitter 9.4.
Pressure transmitter can be with Real-time Feedback to PLC.Pressurized tank can make pressure of supply water more stable.
One end of described by-pass line 11 is connected with attemperater 4, and the other end of by-pass line 11 is even
Leading between feed pump 8 and pressure transmitter 9.4, pressurized tank 13 connects with the middle part of by-pass line 11,
Be additionally provided with release valve ball 12 on by-pass line 11, this release valve ball 12 be arranged on attemperater 4 with
Between pressurized tank 13.
Release valve ball plays the effect of protection feed pump 8.Release valve ball should slightly be opened a bit.Work as user
Watering equipment stopping water time, water supply line 9 does not has water to flow through.Now, without bypass,
Feed pump 8 the most always then does not has water to flow for a long time, thus can affect the life-span of feed pump 8.And increase
If after by-pass line 11, it is possible to ensure that water circulates, thus protect feed pump 8 always.
When the water in attemperater is reduced to low liquid level, feed pump is automatically stopped, and reports to the police, and protects water
Pump.
Being additionally provided with accurate pointer gauge 9.3 on described water supply line 9, this precision pointer gauge 9.3 is positioned at confession
Between water pump 8 and the 5th butterfly valve 9.5.
In the present embodiment, circulating backwater pipeline and water supply line all use heat-preservation cotton to wrap up, and prevent with outward
Boundary's heat exchange, saves the energy.
In the present embodiment, whole product is arranged on the base plate 20, and compact conformation was both easily installed,
It is easy to again fork truck dress imperial goods, transport;When being transported to job site, it is only necessary to connect inlet channel, confession
Waterpipe and power supply just can work.Further, the automatically controlled part of whole product, including PLC and touch screen
It is all disposed within electric cabinet 21, therefore, had both facilitated operation, and played again antitheft effect.
Before work, it is first turned on moisturizing electromagnetic valve to attemperater water filling;When moisturizing electromagnetic valve bad time, can
With the manual moisturizing of moisturizing ball valve.Attemperater is equipped with water level switch, when arriving predetermined high level, mends
Water solenoid valve is automatically switched off.Attemperater can be different with use selection of time continuously according to water supply flow
Capacity, to meet customer need.
During work, start circulating pump, start Cool-water Machine for Industry group and select refrigeration or heating mode, if
Fixed temperature.Water in circulating pump extraction attemperater, delivers to the cooling of Cool-water Machine for Industry group or heating, so
After return to attemperater.So circulation, until the water in attemperater arrives design temperature.When arrival sets
After fixed temperature, Cool-water Machine for Industry group is automatically stopped.When water temperature is beyond design temperature scope, industry cold water
Unit starts work automatically, until water temperature arrives design temperature.
After water temperature arrives design temperature, start feed pump, supply water to the watering equipment of user.User is permissible
Setting pressure of supply water in touch screen, this utility model can be with automatic water pressure adjustment
Of the present utility model ultimate principle and principal character and of the present utility model have more than been shown and described
Advantage.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, on
State and principle of the present utility model is simply described, new without departing from this practicality described in embodiment and description
On the premise of type spirit and scope, this utility model also has various changes and modifications, and these change and change
Enter in the range of both falling within claimed this utility model.This utility model claims scope by appended
Claims and equivalent thereof define.
Claims (9)
1. a constant temperature and pressure water system, including inlet channel (1), attemperater (4) and industry
Handpiece Water Chilling Units (7), described inlet channel (1) is connected with attemperater (4), attemperater (4)
Inside be provided with water level switch (5), it is characterized in that also including water supply line (9), circulating backwater pipeline (10),
By-pass line (11) and cyclic water outlet pipeline (14);Wherein,
One end of water supply line (9) is connected with the feed water inlet of attemperater (4),
One end of circulating backwater pipeline (10) exports with the circulating backwater of attemperater (4) and is connected, and follows
The other end of loopback waterpipe (10) is connected with the water inlet of Cool-water Machine for Industry group (7),
One end of by-pass line (11) is connected with the bypass outlet of attemperater (4), by-pass line
(11) the other end is connected with the other end of water supply line (9),
One end of cyclic water outlet pipeline (14) is connected with the circulating backwater import of attemperater (4), follows
The other end of ring outlet conduit (14) is connected with the outlet of Cool-water Machine for Industry group (7),
Water level switch (5) connects with PLC.
Constant temperature and pressure water system the most according to claim 1, is characterized in that described inlet channel
(1) being provided with moisturizing electromagnetic valve (2) on, this moisturizing electromagnetic valve (2) connects with PLC.
Constant temperature and pressure water system the most according to claim 2, is characterized in that described inlet channel
(1) being additionally provided with moisturizing ball valve (3) on, this moisturizing ball valve (3) is in parallel with moisturizing electromagnetic valve (2).
Constant temperature and pressure water system the most according to claim 1, is characterized in that described circulating backwater
Be disposed with on pipeline (10) the second butterfly valve (10.4), circulating pump (6), temperature transmitter (10.1),
First filter (10.2) and the first butterfly valve (10.3);Circulating pump (6) connects with PLC, and temperature becomes
Device (10.1) is sent to connect with PLC.
Constant temperature and pressure water system the most according to claim 1, is characterized in that described cyclic water outlet
The 3rd butterfly valve (14.1) it is provided with on pipeline (14).
6., according to the arbitrary described constant temperature and pressure water system of claim 1 to 5, it is characterized in that described
Be disposed with on water supply line (9) the 4th butterfly valve (9.1), the second filter (9.2), feed pump (8),
Pressure transmitter (9.4) and the 5th butterfly valve (9.5), feed pump (8) is connected with PLC by converter,
Pressure transmitter (9.4) connects with PLC.
Constant temperature and pressure water system the most according to claim 6, is characterized in that also including pressurized tank
(13), this pressurized tank (13) is communicated in feed pump (8) and pressure inverting by by-pass line (11)
Between device (9.4).
Constant temperature and pressure water system the most according to claim 7, is characterized in that described by-pass line
(11) one end is connected with attemperater (4), and the other end of by-pass line (11) is communicated in water supply
Between pump (8) and pressure transmitter (9.4), pressurized tank (13) and the middle part of by-pass line (11)
Connection, by-pass line (11) is additionally provided with release valve ball (12), and this release valve ball (12) is arranged on
Between attemperater (4) and pressurized tank (13).
Constant temperature and pressure water system the most according to claim 6, is characterized in that described water supply line
(9) being additionally provided with accurate pointer gauge (9.3) on, this precision pointer gauge (9.3) is positioned at feed pump (8)
And between the 5th butterfly valve (9.5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620422172.2U CN205742364U (en) | 2016-05-11 | 2016-05-11 | A kind of constant temperature and pressure water system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620422172.2U CN205742364U (en) | 2016-05-11 | 2016-05-11 | A kind of constant temperature and pressure water system |
Publications (1)
Publication Number | Publication Date |
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CN205742364U true CN205742364U (en) | 2016-11-30 |
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ID=57368973
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CN201620422172.2U Expired - Fee Related CN205742364U (en) | 2016-05-11 | 2016-05-11 | A kind of constant temperature and pressure water system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107476375A (en) * | 2017-08-01 | 2017-12-15 | 优晖科技(北京)有限公司 | Water heat accumulation constant temperature water supply system |
CN109596277A (en) * | 2019-01-17 | 2019-04-09 | 上海出入境检验检疫局工业品与原材料检测技术中心 | A kind of system for packing container constant temperature air seal test |
CN110715452A (en) * | 2018-07-13 | 2020-01-21 | 广州市中南机电工程有限公司 | Control system of full-function water heater |
CN110848790A (en) * | 2019-11-28 | 2020-02-28 | 清远众鑫热能热水设备有限公司 | Wireless remote variable-frequency constant-temperature and constant-pressure water supply system |
CN111636518A (en) * | 2020-06-11 | 2020-09-08 | 中国船舶科学研究中心 | Saturated diving living cabin domestic water supply system |
-
2016
- 2016-05-11 CN CN201620422172.2U patent/CN205742364U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107476375A (en) * | 2017-08-01 | 2017-12-15 | 优晖科技(北京)有限公司 | Water heat accumulation constant temperature water supply system |
CN110715452A (en) * | 2018-07-13 | 2020-01-21 | 广州市中南机电工程有限公司 | Control system of full-function water heater |
CN110715452B (en) * | 2018-07-13 | 2021-06-29 | 广州市中南机电工程有限公司 | Control system of full-function water heater |
CN109596277A (en) * | 2019-01-17 | 2019-04-09 | 上海出入境检验检疫局工业品与原材料检测技术中心 | A kind of system for packing container constant temperature air seal test |
CN109596277B (en) * | 2019-01-17 | 2023-12-15 | 上海海关工业品与原材料检测技术中心 | System for be used for packaging container constant temperature airtight test |
CN110848790A (en) * | 2019-11-28 | 2020-02-28 | 清远众鑫热能热水设备有限公司 | Wireless remote variable-frequency constant-temperature and constant-pressure water supply system |
CN111636518A (en) * | 2020-06-11 | 2020-09-08 | 中国船舶科学研究中心 | Saturated diving living cabin domestic water supply system |
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Legal Events
Date | Code | Title | Description |
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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: 20161130 Termination date: 20210511 |
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CF01 | Termination of patent right due to non-payment of annual fee |