CN207370572U - A kind of back-heating type temperature controllable boiler - Google Patents
A kind of back-heating type temperature controllable boiler Download PDFInfo
- Publication number
- CN207370572U CN207370572U CN201720384029.3U CN201720384029U CN207370572U CN 207370572 U CN207370572 U CN 207370572U CN 201720384029 U CN201720384029 U CN 201720384029U CN 207370572 U CN207370572 U CN 207370572U
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- China
- Prior art keywords
- heat exchanger
- water
- boiler
- outlet
- circulatory mediator
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 238000009835 boiling Methods 0.000 claims abstract description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 238000005485 electric heating Methods 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 239000012153 distilled water Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001351 cycling effect Effects 0.000 claims 2
- 230000008676 import Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000003651 drinking water Substances 0.000 description 5
- 235000020188 drinking water Nutrition 0.000 description 5
- 238000012546 transfer Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model discloses a kind of back-heating type temperature controllable boilers, and including housing, boiling water box, boiler, heat exchanger, circulating box and cold water storage cistern are equipped in housing；Electric heating wire is equipped in boiling water box, boiling water box is interconnected with boiler；Heat exchanger is made of successively expansion flow tube, heat exchanger tube and header, multiple heat exchange copper tubes is equipped in heat exchanger tube, flow tube, other end connection header are expanded in one end connection of heat exchange copper tube, the end of header is equipped with faucet, and boiler connects the expansion flow tube of heat exchanger by pipeline；Heat exchanger tube further includes circulatory mediator entrance and circulatory mediator outlet, and circulatory mediator entrance connects the outlet of circulating box by pipeline；Cold water storage cistern box outer surface is wound with coil pipe, and the circulatory mediator outlet of the entrance connection heat exchanger tube of coil pipe, the outlet of coil pipe connects the entrance of circulating box by medium pump；Cold water storage cistern further includes inlet and outlet, and import is connected with outer cold water pipe road, and outlet connects the water inlet of boiling water box by water outlet pump.
Description
Technical field
The utility model is related to a kind of boiler more particularly to a kind of boilers for being capable of automatic temperature-control, belong to boiler
Technical field.
Background technology
At present, the boiler used in public place such as railway station, teaching building boiling water room, leaving water temperature 90-100
Degree, does not simply fail to drink immediately, and extremely be easy to cause unnecessary scald.It is deposited simultaneously during boiling water natural cooling
In substantial amounts of heat-energy losses, resource is virtually wasted, and the rate of natural cooling is slower, it is impossible to meet student and drink water in time
Demand.To solve the above-mentioned problems, occur some improved boilers on the market, cold water is directly mixed into drink with boiling water
With, but this method cost is higher, and bacterium is easily grown in cold water, user experience is bad.There is a kind of open to establish by cable on the market
Hydrophone makes cold water boiled during being flowed in heating pipe, but within the time for just starting water outlet, water temperature may
Preset temperature is not achieved just to flow out, while may still have boiling water from internal leakage in firm close, easily scalds.Therefore it is a kind of
The exploitation for being capable of the boiler of intelligent adjusting water outlet saliva temperature is necessary.
Utility model content
Purpose of utility model：The technical problem to be solved by the utility model is to provide one kind to be adjusted according to user demand
The back-heating type temperature controllable boiler of leaving water temperature, the boiler stable water outlet can efficiently use heat source and reach energy saving
Purpose.
The utility model also technical problems to be solved are to provide the control method of above-mentioned back-heating type temperature controllable boiler.
In order to solve the above technical problems, technical solution is used by the utility model：
A kind of back-heating type temperature controllable boiler is equipped with boiling water box, boiler including housing, in the housing, heat exchanger, follows
Ring case, cold water storage cistern and the control circuit board for controlling boiler output water temperature；
Wherein, electric heating wire is equipped in the boiling water box, the boiling water box is interconnected with boiler by valve；
The heat exchanger is made of successively expansion flow tube, heat exchanger tube and header, is equipped in the heat exchanger tube multiple only each other
Flow tube is expanded in vertical heat exchange copper tube, one end connection of the heat exchange copper tube, and other end connection header, the end of the header is set
There is faucet, the boiler connects the expansion flow tube of heat exchanger by pipeline；The heat exchanger tube further include circulatory mediator entrance and
Circulatory mediator exports, and the circulatory mediator entrance connects the outlet of circulating box by pipeline；
The cold water storage cistern box outer surface is wound with multi-turn circulatory mediator coil pipe, the entrance connection heat exchange of circulatory mediator coil pipe
The circulatory mediator outlet of pipe, the outlet of circulatory mediator coil pipe connect the entrance of circulating box by medium pump；The cold water storage cistern also wraps
Cooling water inlet and cooling water outlet are included, the cooling water inlet is connected with outer cold water pipe road, and the cooling water outlet is connected by water outlet pump
Connect the water inlet of boiling water box.
Further preferably, the heater strip for boiler heat preservation is equipped in the boiler.
Further preferably, multiple baffle plates are additionally provided in the heat exchanger tube；Baffle plate can slow down circulatory mediator and exchange heat
The flow distance of flowing velocity and increase circulatory mediator in heat exchanger tube in pipe, so that circulatory mediator and stream in heat exchange copper tube
Body reaches better heat transfer effect.
Further preferably, the circulatory mediator is distilled water.
Further preferably, solenoid valve is equipped in the header, hot water is flowed out through solenoid valve by faucet.
Further preferably, the heat exchanger is horizontal heat exchanger.
Further preferably, the boiling water box, boiler, circulating box and cold water storage cistern are equipped with water outlet, overflow port, discharge opening
And Water level signal control device for multi-functional.
Further preferably, control circuit board includes control chip and the detection module being connected with control chip, driving mould
Block, data processing module and display module；Wherein detection module goes out for detecting water temperature and heat exchange manifold end in boiler
Coolant-temperature gage；Drive module, for controlling the aperture of the start and stop of medium pump and dielectric valve, to realize the flow control of circulatory mediator；
Data processing module, for receiving data that user input data and detection module detect and handling it, Ran Houxiang
Control the signal after chip transmission process；Display module, for showing current leaving water temperature to user.
The regulation and control method of above-mentioned back-heating type temperature controllable boiler carries out boiler output water temperature using PID control method
Control.
The control method of above-mentioned back-heating type temperature controllable boiler, specifically comprises the following steps：
Step 1, demand temperature is inputted by input equipment when user uses, the data of input be sent into data processing module into
Row storage；
Step 2, after user determines input, detection module detection boiler temperature, and data processing module is sent into, with having carried
User's set water temperature of preceding storage is compared；
Step 3, if the two is equal or difference is in allowed band, data processing module is passed to control chip to drive module
It sends order and opens boiler outlet valve and heat exchange manifold outlet valve directly to user's water supply；If the two is unequal and poor
For value in allowed band, data processing module calculates required circulatory mediator stream under the conditions of boiler temperature and user's design temperature
Amount, and pass through and chip is controlled to send the medium valve opening for ordering driving corresponding discharge and medium revolution speed to drive module and beat
Open boiler outlet valve；
Step 4, detection module detects current heat exchange manifold exit water temperature and is sent into data processing module, with storing in advance
User's set water temperature be compared；
Step 5, if the two is equal or difference is in allowed band, data processing module is passed to control chip to drive module
It sends order and opens heat exchange manifold outlet valve to user's water supply；If the two is unequal and difference is in allowed band,
Then without action, continue heat exchange until the two is equal or difference is in allowed band, it can be compared under suitable circulatory mediator flow
Reach soon；
Step 6, user stops water outlet by input equipment, closes related valve and waits next user's operation.
The course of work of the utility model back-heating type temperature controllable boiler is as follows：Under usual state, the inlet valve in system
It is in off state with outlet valve, boiler is used to store the boiling water after boiling water box heating；When user is needed with water and sets water outlet
After temperature, the flowing water Valve between boiler and heat exchanger is opened, boiling water is flowed out from boiler, and heat exchange is flowed into through expanding flow tube
Pipe, boiling water is in heat exchanger tube with flowing to faucet outflow through header after circulatory mediator heat exchange cooling；When boiling water flows into heat exchanger tube,
The dielectric valve between circulating box and heat exchanger tube is opened, circulatory mediator is flowed into heat exchanger tube and exchanged heat with boiling water, flowed out after heating；Heating
Circulatory mediator afterwards is flow in the coil pipe wound outside cold water box body, circulatory mediator to the cool water heating in cold water storage cistern simultaneously itself
Circulating box is back flowed back into after cooling；When water shortage in boiler, the inlet valve between cold water storage cistern and boiling water box, heating are opened
Cold water to be heated afterwards flows into boiling water box, and it is for use to flow into boiler after being heated in boiling water box.
Compared with prior art, technical solutions of the utility model have the advantage that for：
The utility model back-heating type temperature controllable boiler can pass through control according to user to the different demands of Drinking Water Temperature
The keying of circulatory mediator pump and the aperture of dielectric valve change the flow of circulatory mediator, so as to fulfill changing output of drinking water immediately
The purpose of temperature meets demand of drinking water at once, and the water temperature of its output and the error of set water temperature are no more than 5 DEG C；Simultaneously originally
Utility model back-heating type temperature controllable boiler stable water outlet, can efficiently use heat source achieve the purpose that it is energy saving.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model back-heating type temperature controllable boiler；
Fig. 2 is the schematic diagram of control circuit board in the utility model back-heating type temperature controllable boiler；
Fig. 3 is the control flow chart of control circuit board in the utility model back-heating type temperature controllable boiler.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with attached drawing, but the requires of the utility model is protected
Scope be not limited thereto.
As shown in Figure 1, the utility model back-heating type temperature controllable boiler, including housing 25, boiling water box is equipped in housing 25
1st, boiler 2, heat exchanger 3, circulating box 5, cold water storage cistern 4 and the control circuit board 26 for controlling boiler output water temperature；Its
In, electric heating wire 23 is equipped in boiling water box 1, boiling water box 1 is interconnected with boiler 2 by valve (solenoid valve)；Heat exchanger 3 according to
It is secondary to be made of expansion flow tube 8, heat exchanger tube 27 and header 9, multiple heat exchange copper tubes 19 independent of each other, heat exchange are equipped in heat exchanger tube 27
Flow tube 8, other end connection header 9 are expanded in one end connection of copper pipe 19, and the end of header 9 is equipped with faucet 6, faucet 6
Inner end and outer end are arcuate structure, and hot water is flowed out after the solenoid valve 10 in header 9 by faucet 6, and solenoid valve 10 is by controlling
System modulation processed realizes the drinking-water requirement of water required by user, required temperature；It is equipped with what is kept the temperature for boiler 2 in boiler 2
Heater strip 24, boiler 2 connect the expansion flow tube 8 of heat exchanger 3 by pipeline, connect and are equipped in the pipeline of boiler 2 and heat exchanger 3
Outlet valve (solenoid valve) I17；Heat exchanger tube 27 further includes circulatory mediator entrance and circulatory mediator outlet, and circulatory mediator entrance passes through pipe
Road connects the outlet of circulating box 5, and the pipeline for connecting heat exchanger tube 27 and circulating box 5 is equipped with outlet valve II (dielectric valve) 18；Cold water
4 box outer surface of case is wound with multi-turn circulatory mediator coil pipe, the circulatory mediator of the entrance connection heat exchanger tube 27 of circulatory mediator coil pipe
Outlet, the outlet of circulatory mediator coil pipe connect the entrance of circulating box 5 by medium pump 15；Cold water storage cistern 4 further include cooling water inlet and
Cooling water outlet, cooling water inlet are connected with outer cold water pipe road, and to make-up water source, cold water pipe road is equipped with intake pump 14 and water inlet
Valve I28, the cooling water outlet of cold water storage cistern 4 connect the water inlet of boiling water box 1 by water outlet pump 16 with inlet valve (solenoid valve) II11.It follows
Ring medium is generally distilled water.
Connection circulating box 5 is coated with outside the pipeline of heat exchanger tube 27 with outside the pipeline for connecting circulating box 5 and cold water storage cistern 4
There is thermal insulation material.Thermal insulation material is also coated with outside 4 babinet of cold water storage cistern.
Impurity blocks water outlet pump 16 in order to prevent, is set in the connecting line between 4 water outlet of cold water storage cistern and water outlet pump 16
Put strainer 22.Heating unit in boiling water box 1 is high-power electric heating wire 23, and electric heating wire 23 carries out the water of cold water storage cistern 4
Boil processing.The boiling water of boiling water box 1 is carried out at heat preservation containing small power electric heater strip 24, electric heating wire 24 in boiler 2
Reason.
Multiple baffle plates 20 are additionally provided in heat exchanger tube 27, baffle plate 20 can slow down stream of the circulatory mediator in heat exchanger tube 27
The flow distance of dynamic speed and increase circulatory mediator in heat exchanger tube 27, so that circulatory mediator is real with fluid in heat exchange copper tube 19
Existing maximum heat transfer effect.
It is surrounded around 4 babinet of cold water storage cistern by circulatory mediator spiral pipeline, so as to the heat for absorbing circulatory mediator from heat exchanger 3
The exchange of amount as far as possible, to realize the utilization of energy, sets more thin copper pipes to cold water storage cistern 4 in the circulatory mediator helical pipe
Beam increases heat transfer effect.
Circulating box 5 stores a certain amount of circulatory mediator, and 5 top of circulating box is equipped with case lid, convenient for Technical Maintenance Staff to following
The inspection of ring medium is replaced, and circulating box 5 plays the role of adjusting circulatory mediator flow and balances pipeline pressure difference.
The operation principle of the utility model back-heating type temperature controllable boiler：First by cold water storage in cold water storage cistern 4, it is necessary to when
Boiling water box 1 is evacuated to by water pump 16, cold water is sent in boiler 2 after 23 ebuillition of heated of electric heating wire and stores；During user's water
Leaving water temperature is set, outlet valve I17 is opened, and boiling water is exited into from boiler 2 in heat exchanger 3, and heat exchange is flowed into through expanding flow tube 8
Copper pipe 19, boiling water are flowed out with flowing to faucet 6 through header 9 after circulatory mediator heat exchange cooling；Boiling water passes through with circulatory mediator
Heat exchanger 3 exchanges heat, is flowed out after dropping to preference temperature through faucet 6, the circulatory mediator after heating flow to 4 outer disk of cold water storage cistern
Pipe tentatively heats the cold water to be heated in cold water storage cistern 4, closely around the coil pipe for heat exchange outside 4 babinet of cold water storage cistern.
Control system adjusts circulatory mediator flow in heat exchanger tube 27, so as to change heat exchange amount, makes boiling according to the different leaving water temperatures of input
Water is down to required temperature.The utility model back-heating type temperature controllable boiler had not only realized the cooling of boiling water, but also utilized the aobvious of boiling water
Heat tentatively heats cold water to be heated.
The adjusting method of the utility model control circuit board is adjusted using PID control circuit.
The utility model back-heating type temperature controllable boiler by a temperature of to different demands, circulatory mediator flow, flow velocity and
The designs such as fluid supply pipe distribution realize the temperature for changing output of drinking water immediately, meet user and drink water at once demand, and reduce
Heat-energy losses are effectively utilized the heat of boiling water cooling, energy saving.The present apparatus is simple in structure, and feasibility is high, suitable for various
Public place boiling water room.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of new embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to obvious changes or variations that the spirit of the utility model is extended out still in the scope of protection of the utility model
Among.
Claims (8)
1. a kind of back-heating type temperature controllable boiler, it is characterised in that：Be equipped with including housing, in the housing boiling water box, boiler,
Heat exchanger, circulating box, cold water storage cistern and the control circuit board for controlling boiler output water temperature；
Wherein, electric heating wire is equipped in the boiling water box, the boiling water box is interconnected with boiler by valve；
The heat exchanger is made of successively expansion flow tube, heat exchanger tube and header, is equipped in the heat exchanger tube multiple independent of each other
Flow tube is expanded in heat exchange copper tube, one end connection of the heat exchange copper tube, and other end connection header, the end of the header is equipped with out
Water nozzle, the boiler connect the expansion flow tube of heat exchanger by pipeline；The heat exchanger tube further includes circulatory mediator entrance and cycling
Media outlet, the circulatory mediator entrance connect the outlet of circulating box by pipeline；
The cold water storage cistern box outer surface is wound with multi-turn circulatory mediator coil pipe, the entrance connection heat exchanger tube of circulatory mediator coil pipe
Circulatory mediator exports, and the outlet of circulatory mediator coil pipe connects the entrance of circulating box by medium pump；The cold water storage cistern further includes cold
Water inlet and cooling water outlet, the cooling water inlet are connected with outer cold water pipe road, and the cooling water outlet is connected by water outlet pump to boil
The water inlet of water tank.
2. back-heating type temperature controllable boiler according to claim 1, it is characterised in that：It is equipped in the boiler for heat
The heater strip of water tank heat preserving.
3. back-heating type temperature controllable boiler according to claim 1, it is characterised in that：It is additionally provided in the heat exchanger tube multiple
Baffle plate.
4. back-heating type temperature controllable boiler according to claim 1, it is characterised in that：The circulatory mediator is distilled water.
5. back-heating type temperature controllable boiler according to claim 1, it is characterised in that：Electromagnetism is equipped in the header
Valve, hot water are flowed out through solenoid valve by faucet.
6. back-heating type temperature controllable boiler according to claim 1, it is characterised in that：The heat exchanger is horizontal heat exchange
Device.
7. back-heating type temperature controllable boiler according to claim 1, it is characterised in that：The boiling water box, boiler, cycling
Case and cold water storage cistern are equipped with water outlet, overflow port, discharge opening and Water level signal control device for multi-functional.
8. back-heating type temperature controllable boiler according to claim 1, it is characterised in that：Control circuit board includes control chip
And detection module, drive module, data processing module and the display module being connected with control chip；Wherein detection module is used for
Detect the leaving water temperature in water temperature and heat exchange manifold end header in boiler；Drive module, for controlling medium pump
Start and stop and the aperture of dielectric valve, to realize the flow control of circulatory mediator；Data processing module, for receiving user input data
The data that are detected with detection module are simultaneously handled it, then the signal after control chip transmission process；Display module,
For showing current leaving water temperature to user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720384029.3U CN207370572U (en) | 2017-04-13 | 2017-04-13 | A kind of back-heating type temperature controllable boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720384029.3U CN207370572U (en) | 2017-04-13 | 2017-04-13 | A kind of back-heating type temperature controllable boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207370572U true CN207370572U (en) | 2018-05-18 |
Family
ID=62297615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720384029.3U Expired - Fee Related CN207370572U (en) | 2017-04-13 | 2017-04-13 | A kind of back-heating type temperature controllable boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207370572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106880291A (en) * | 2017-04-13 | 2017-06-23 | 东南大学 | A kind of back-heating type temperature controllable boiler and its control method |
-
2017
- 2017-04-13 CN CN201720384029.3U patent/CN207370572U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106880291A (en) * | 2017-04-13 | 2017-06-23 | 东南大学 | A kind of back-heating type temperature controllable boiler and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |