CN100441961C

CN100441961C - Heating plant control device

Info

Publication number: CN100441961C
Application number: CNB038259117A
Authority: CN
Inventors: U·贝尔托洛提
Original assignee: IVAR SpA
Current assignee: IVAR SRL; IVAR SpA
Priority date: 2003-02-04
Filing date: 2003-02-04
Publication date: 2008-12-10
Anticipated expiration: 2023-02-04
Also published as: PT1590607T; CN1738994A; HUE030743T2; ES2606777T3; EP1590607A1; EP1590607B1; WO2004070280A1; AU2003215889A1

Abstract

The present invention relates to a regulating device (1) for a heating system, which comprises a first body (14) and a second body (18), wherein the first body (14) is used for defining at least one first path (15) used for the fluid and a second path (16) used for the fluid, the first path at least extends from a first inlet (15a) to a first outlet (15b), the second path at least extends from a second inlet (16a) to a second outlet (16b), the second body (18) is used for defining at least one third path (19) used for the fluid, and the path at least extends from a third inlet (19a) connected with the first outlet (15b) to a third outlet (19b). The path is provided with a recycle opening (17) so as to mix the fluid flowing in the second path (16) with the fluid flowing in the first path (15), the first inlet (15a) and the second outlet (16b) are connected with a boiler or a heating circuit (2) with high temperature water, and the second inlet (16a) and the third outlet (19b) are operatively connected with a heating circuit (3) with low temperature water.

Description

The adjusting device that is used for heating system

Technical field

The present invention relates to be used for the adjusting device of heating system.The invention particularly relates to and in dwelling house, commercial building or other building, be used to regulate the normally device that flows of the fluid of hot water.

Background technology

Know that the heating system that is used for building mainly is divided into high-temperature systems and cryogenic system.High-temperature systems is made up of the heating element that is commonly referred to radiator and many house steward and conduits that boiler is linked to each other with heating element in boiler, a series of each room that is arranged in building substantially.On the other hand, cryogenic system is then removed beyond the boiler, be conduit and be placed on heating element below the room floor usually by many its forms, and at least one pair of forms the house steward that heating element is connected on the boiler.The operation about 80 degree of first kind system water, second type systematic then must be with the temperature operations about 40 degree, and this is because higher temperature may be damaged the floor.In addition, know that some hybrid system is arranged, it comprises a high-temperature circuit and a low-temperature circuit, and they connect each other rightly.

Known some device has been arranged, their allow to be adjusted in flowing of the hot water that circulates in the cryogenic system by appropriate mode, when they directly link to each other with boiler in said system, or they be the part of hybrid system thereby be connected to one itself during again with high-temperature systems that boiler links to each other, can use.

Said apparatus makes it to regulate temperature in low-temperature circuit, and comprises a large amount of parts.Adjusting device generally comprises and one is used for inlet, that (for example from boiler) inlet, of high-temperature water is used for the hot water of low-temperature circuit and is used for water from low-temperature circuit and returns the outlet that is used to lead to the water of boiler with.Said apparatus can comprise that the temperature-sensing valve, of inlet of a control high-temperature water is used for the outlet discharge orifice of the pump of recirculated water, one or more water and one or more pressure-reducing valves, this discharge orifice is arranged in the downstream part of conduit, so that at system closing, when preparing maintenance, this system of emptying, this pressure-reducing valve is arranged in the top of conduit, so that discharge air bubble automatically.In addition, known adjusting device is general allows with the mixing with hot water from boiler from the backwater of low-temperature circuit of known quantity, so that determine to enter the water temperature of low-temperature circuit suitably.

In cryogenic system, further know the use of safe temperature detect switch (TDS), the water temperature of the latter in system surpasses predetermined maximum value when (being about 50 degree), stops this system and the prevention hot water from boiler.

Aforesaid adjusting device has some shortcoming and disadvantageous situation.

In fact, owing to need to connect rightly very a large amount of parts, so that obtain desired operation, so said apparatus usually has very complicated and heavy structure.

In addition, above-mentioned adjusting device generally is made up of very a large amount of parts, has many accessories and joint, and they are along very the winding raod line is intersected with each other.

This characteristics at first cause the huge complexity of device, increase producing cost, installation and maintenance expense.

In addition, should be pointed out that the I﹠M operation for said apparatus is complicated especially, long-time and difficult.

At last, should be pointed out that said apparatus usually is extremely heavy, thereby produce other installation question, because they must ensconce in the case that is arranged in the wall, together with the house steward of heating system.

Summary of the invention

In the case, technical assignment of the present invention is a kind of adjusting device that is used for heating system of design, and they can avoid aforesaid drawbacks substantially.In above-mentioned technical assignment, an important target is, designs a kind of adjusting device that is used for heating system, and it has simple and rational structure.Another target of the present invention is, designs a kind of adjusting device that is used for heating system, and it has especially little size and compact structure.Another target of the present invention is, a kind of adjusting device that is used for heating system is provided, and it is easy to realize.Another target is, designs a kind of adjusting device that is used for heating system, and it can be installed easily and apace.Another target of the present invention is, a kind of adjusting device that is used for heating system is provided, and it is reliable and effective.Another target of the present invention is to design a kind of adjusting device that is used for heating system, even it also has high safety in operation when some component failure.A target more of the present invention is, designs a kind of adjusting device that is used for heating system, even it is connected in heating system under the situation of central heating or district heating, also can accomplish best adjustment in independent home system.Another target is, realizes a kind of adjusting device that is used for heating system, and it has low especially manufacturing expense, installation and maintenance expense.The technical assignment of top indication and target reach by an adjusting device that is used for heating system, and it has the feature of describing in appending claims.

Description of drawings

As only being statement property and nonrestrictive example, though comprise below one as shown in drawings according to of the present invention preferably be not the embodiment of unique, as to be used for heating system adjusting device, among the figure,

Fig. 1 illustrates a details that is used for the heating system in room, and that this system has is relevant with it, according to device of the present invention;

Fig. 2 is the side view of the system of Fig. 1;

Fig. 3 illustrates the adjusting device perspective view that is used for heating system according to of the present invention;

Fig. 4 illustrates the front view as the device of Fig. 3;

Fig. 5 illustrates the side view as the device of Fig. 3;

Fig. 6 illustrates as the device of Fig. 3 cutaway view along the II-II line;

Fig. 7 illustrates as the device of Fig. 3 second cutaway view along the III-III line;

Fig. 8 illustrates device as Fig. 3 from following view;

Fig. 9 illustrates as the device of Fig. 3 cutaway view along the IX-IX line;

Figure 10 illustrates as the device of Fig. 3 cutaway view along the X-X line.

The specific embodiment

In this article, according to term used in this area, " water at low temperature " refers to, the temperature that is used for the water of heat rooms is about 30～50 degree, and is more accurate, is about 35～42 degree, " high-temperature water " then refers to, by the water of boiler or analog supply, or the water that in high-temperature systems, circulates, its temperature is about 80 degree.

Referring to the figure that is mentioned, according to adjusting device whole by reference number 1 representative that is used for heating system of the present invention.

As what in Fig. 1 and 2, see, device 1 and the interconnection that is used for heat rooms.Especially, device 1 is arranged between high-temperature circuit 2 and the low-temperature circuit 3.High-temperature circuit 2 comprises at least one water inlet manifold that is used for hot water 4 and a return main 5, connects a series of connecting duct 6 on the latter, and

house steward

4,5 and independent heating element are coupled together.In order to simplify and being connected of conduit 6,

house steward

4,5 preferably is arranged on two different absolute altitudes.

Fig. 1 illustrates some conventional element that is used for heat supplying loop, for example, be used for 4,5 fastening supports 7 on the wall with house steward, being used in the loop 2 closes, so that when safeguarding,, be used for removing the pressure-reducing valve 9 of 2 air bubbles that form in the loop with the outlet discharge orifice 8 of its emptying, and a pair of accessory 10 that has valve-off, this valve has the corresponding discharge orifice of operation by hand.High-temperature circuit 2 is connected to boiler by this accessory 10 or other thermal water source goes up (not shown in FIG.).Should be pointed out that under the situation that does not have high-temperature circuit 2 device 1 can directly be connected on boiler or other thermal water source by the mode of another kind of scheme with a kind of all fours.Low-temperature circuit 3 also comprises the intake header 11 and a return main 12 of water, they are connected to each other in operation, and connect thereon accordingly, the heating element of pipe 13 normally, this pipe is delivered to water at low temperature and is wanted in the heated room, and is usually placed in the underfloor in room.Loop 3 has the inlet of water, and is useful on the inlet of water at low temperature, and they all are connected on the adjusting device 1.

Above-mentioned

house steward

11,12 is also on the wall fastening by support 7.Low-temperature circuit 3 generally has the regulating element 13a that the current of each conduit are sent in suitable being used to, and they can for example be the devices of manual, electronic or constant temperature.Adjusting device 1 is placed between low-temperature circuit 3 and high-temperature circuit 2 or the boiler, so that regulate the high-temperature-hot-water that enters in the low-temperature circuit 3 suitably.Adjusting device 1 further makes it the high-temperature water that will come out from boiler and the water at low temperature of taking from low-temperature circuit 3 of scheduled volume is pre-mixed.

Adjusting device 1 comprises first path 15, first body 14 of conduit for example that defines at least one fluid that is used to be generally water, and this path extends to one first outlet 15b from first an inlet 15a who is connected to the water inlet manifold 4 of the loop 2 that is used for high-temperature water or boiler at least.Above-mentioned body 14 comprises that further one is used for second path 16 of fluid, and it extends to one second outlet 16b from the second inlet 16a from the return main 12 that is connected to low-temperature circuit 3 at least.First path 15 links to each other with second path 16 by recirculation opening 17 in operation, and this opening 17 allows the low temperature backwater that flows in second path 16 of scheduled volume is pre-mixed with the high temperature water inlet of flowing in first path 15.Advantageously, the second outlet 16b is placed between the second inlet 16a and the recirculation opening 17.

Device 1 further comprises second body 18 that defines at least one Third Road footpath 19 that is used for fluid, this path extends to the 3rd outlet 19b from the 3rd an inlet 19a who links to each other with the first outlet 15b at least in operation, the latter is connected on the water inlet manifold 11 in low-temperature heat supply loop 3.

In addition, second body 18 advantageously defines the 4th path 20 that is used for fluid, this path extends to one the 4th outlet 20b from the 4th an inlet 20a who links to each other with the second outlet 16b at least on operating, the latter is connected to the return main 5 of the heat supplying loop 2 of being with high-temperature water or is connected to the return piping of boiler in operation.The 4th inlet 20a is connected on the second outlet 16b by a connecting duct 21.Another kind of scheme is that second body 18 may include only Third Road footpath 19, the second outlet 16b then may directly be connected to high-temperature circuit 2 or boiler in operation.Advantageously, the first inlet 15a and the second inlet 16a are placed on the opposite position with respect to first body 14, and basic alignment.Preferably, the first outlet 15b has a vertical substantially longitudinal axis of axis with respect to the first inlet 15a and the second inlet 16a.The 3rd outlet 19b and the 4th outlet 20b also advantageously are placed on the opposite position with respect to second body 18, and basic alignment, and the 3rd inlet 19a then has a vertical substantially longitudinal axis of axis with respect to the 3rd outlet 19b and the 4th outlet 20b.First body 14 and second body 18 are preferably for example realized as the cast metal as one respectively, realize but also can be used as the several parts that are installed together.Device 1 comprises that further one is used for the pump 22 of recirculated water, and the latter is being arranged in the operation between the first outlet 15b and the 3rd inlet 19a.Should be pointed out that pump schematically illustrates with cutaway view as a whole in Fig. 6,9 and 10.Because itself is well-known.Obviously, pump has the joint that is used for the fluid between the first outlet 15b and the 3rd inlet 19a, and has along the device of desired direction propelling fluid.As what can in Fig. 3,5 and 6, see, first body 14 is arranged on the different absolute altitudes suitably with second body 18, first body 4 is corresponding to the return main's 12 of the absolute altitude of the water inlet manifold 4 of high-temperature circuit 2 and low-temperature circuit 3 absolute altitude, and second body 18 is then corresponding to the absolute altitude of the water inlet manifold 11 of the return main's 5 of high-temperature circuit 2 absolute altitude and low-temperature circuit 3.The first outlet 15b and the 3rd inlet 19a copline advantageously, and thereby outstanding from its

body

14,18 separately so that pump 22 can easily be installed.Device 1 comprises further and is used to change the device 23 that flow to the water yield in first path 15 from second path 16 that this first path is got in touch at recirculation opening 7 places and first body 14 in operation.Said apparatus 23 can advantageously be regulated, so that can change will with the flow from the high-temperature water low temperature backwater that mix of the first inlet 15a so that be sent to the Third Road footpath 19 of second body 18 and according to the water inlet manifold 11 of the suitable low-temperature circuit that is pre-mixed 3 water of heat supply needs.

So just make and high-temperature water directly can not sent into low-temperature circuit 3 that this high-temperature water may be by producing unexpected temperature rise and the damage system in loop 3.In addition, so just might be by in low-temperature circuit 3, recycling the given low temperature water yield and only increasing the efficient that warm water improves system by the requirement of strictness.Said apparatus 23 can for example comprise the handle 23 of an available hand adjustment joint, so that the maximum potential in regulation low-temperature heat supply loop 3.Device 1 further comprises the device that is used to regulate through the current of the first inlet 15a, and it interrelates with first body 14 in first path 15.Above-mentioned flow regulator 24 comprises a Thermostatic head 24a, and it works in operation, so that activate a gate 24b who is placed in first path 15, thus the flow of the high-temperature water of change access to plant 1.Above-mentioned adjusting device 24 further comprises and is placed in the Third Road footpath 19 and the sensor 24c that links to each other with Thermostatic head 14a in operation, it can regulate the elevated temperature heat water yield rightly, and this high-temperature-hot-water is admitted to device 1 and also thereby according to the temperature that records in the water that is pre-mixed in entering low-temperature circuit 3 is admitted to low-temperature circuit 3.As another kind of scheme, above-mentioned flow regulator 24 can comprise a motor, and the latter has right sensors and works in operation, so that activate a handle that is arranged in first path 15, thereby changes the flow of the high-temperature water that enters.The device that device 1 can further comprise the work that is used for control device 1 (not shown in the drawings, because they are forms of using always), it links to each other with the device 24 that is used to regulate inlet flow rate in operation.This device can be common motor or electronic control system, and can be connected on the suitable device, so that control the work of general heating system.

Advantageously, as what can see in Fig. 5 and 7, device 1 further comprises at least one bypass manifold 25, and it connects second path 16 and Third Road footpath 19, and collect a bypass valve 26, the hydraulic pressure of permission in device 1 makes water directly flow to second path from Third Road when surpassing predetermined value.This bypass manifold 25 makes it for example circulation of the water in low-temperature circuit 3 and for example closes under the situation about being prevented from owing to an adjusting 13a of the various heating elements 13 of be useful on is instantaneous, and anti-locking system and pump are damaged.As another kind of scheme, the arresting stop of pump 22 can be set, by the The whole control system control of device 1.Device 1 further comprises at least one safe temperature detect switch (TDS) (not shown in FIG.), it is connected to said apparatus 1 and is connected to flow regulator 24 especially in operation, so that the temperature in Third Road footpath 19 surpasses the predetermined threshold value level for example 50 ℃ the time, stop high-temperature water flowing in Third Road footpath 19.This temperature detect switch (TDS) is another safety device that prevents low-temperature circuit 3 and the structural failure that is in contact with it.Install 1 thermometer 27 that further has in the path that is placed on some water, so that indicate the water temperature in the relevant path.Device 1 further comprises at least one adjustable closing element 28 as a leader or a ball valve, in case the flowing of the fluid in the holdout device 1, but also comprise that at least one exports discharge orifice 8, so that emptier 1.Particularly, all be provided with at the first outlet 15b and the 3rd inlet 19a place and stop element, so that pump 22 is separated, it also is like this exporting the 20b place the 4th.Device 1 further comprises some pressure-reducing valve 9 at least, and it discharges the air bubble that may form in system.

Heating system further is equipped with the device that the work of said system is controlled in known being used to, it comprises that one is used for regulating the system of the temperature in room, the latter has manual control or control automatically, so that detected room temperature is lower than predetermined value in the room, the high-temperature water in the control access to plant 1.

As mainly said in the above, as follows according to the work of the adjusting device that is used for heating system of the present invention from the structure viewpoint.Regulate adjustable handle 23 at recirculation opening 17 places, while erecting device 1 is so that obtain the maximum potential in low-temperature heat supply loop 3.Correspondingly, Thermostatic head 24a regulates the flow of high-temperature water automatically according to being placed on the detected temperature of sensor 24c in the Third Road footpath 19, and the latter is admitted in the device 1 and mixes with the low temperature backwater of specified rate in second path 16.So this mixing water just comes out with the first outlet 15b and promoted by pump 22 through the Third Road of second body 18 footpath 19, enter the water inlet manifold 11 of low-temperature circuit 3 then.The water that comes out from low-temperature circuit 3 is got back to the second inlet 16a, and some sends the second outlet 16b through recirculation opening 7, arrives the 4th path 20 of second body 18, and from this, it is admitted to high-temperature circuit 2 once more through the 4th outlet 20b.Obviously,, certain high temperature current access to plant 1 is arranged, therefore, have corresponding low temperature current to come out, leave the 4th outlet 20b then from the second outlet 16b because these all are closed circuits.When Thermostatic head 24a closes the first inlet 15a fully, all circulations in low-temperature circuit 3 of all water at low temperature.The running temperature reference value of water in the various piece of device 1 is as follows: at the first inlet 15a place, water is about 70～80 ℃; At the first outlet 15b place, after premixed,, be about 40～42 ℃ then as exporting the 19b place thereby be in low temperature water inlet manifold 11 the 3rd; As at the second inlet 16a place and in low temperature return main 12, water is about 30～32 ℃.Obviously, can be to making some changes and modification according to device of the present invention and parts thereof, and do not break away from its distinctive invention idea.Should be pointed out that all details can replace with other technical suitable element, and in practice, can adopt all material and size as required.

The present invention has various important benefits.At first, should be pointed out that have very simple and rational structure according to the adjusting device that is used for heating system of the present invention.In addition, should be pointed out that this adjusting device has very little size and compact overall structure.Have, the present invention is easy to realize and can install quickly and easily again.According to device of the present invention also further is reliably and efficiently, and guarantees to have high safety in operation.Said apparatus makes it can both regulate temperature best in independent home system and central heating systems.At last, should be pointed out that according to device of the present invention has extremely low manufacturing expense, the installation and maintenance expense.

Claims

1. be used for the adjusting device of heating system, it comprises:

One defines first body (14) that at least one is used for first path (15) of fluid and is used for second path (16) of fluid, this first path extends to first outlet (15b) from one first inlet (15a) at least, and this second path extends to second outlet (16b) from one second inlet (16a) at least; And

One defines second body (18) at least one Third Road that is used for fluid footpath (19), it extends to one the 3rd outlet (19b) from the 3rd inlet (19a) that is easy to link to each other with described first outlet (15b) in operation at least, each realizes described first body (14) and described second body (18) as an element, described first path (15) links to each other with described second path (16) by a recirculation opening (17) that is limited by described first body (14) in operation, so that the Fluid Volume that flows in second path (16) that will be scheduled to mixes with the fluid that flows in first path (15); It is characterized by, described adjusting device further comprises the device (24) of the flow of the fluid that is used for described first inlet (15a) of adjusting process, and this device interrelates with described first body (14) in described first path (15).

2. device as claimed in claim 1 is characterized by, and described second outlet (16b) is located between described second inlet (16a) and the described recirculation opening (17).

3. device as claimed in claim 1, it is characterized by, described first inlet (15a) can be connected to the heat supplying loop (2) that a boiler or has high-temperature water with described second outlet (16b) in operation, and described second inlet (16a) can be connected to a heat supplying loop (3) that water at low temperature arranged with described the 3rd outlet (19b) in operation.

4. device as claimed in claim 3, it is characterized by, described second body (18) further defines the 4th path (20) that is used for fluid, the latter at least from one the 4th inlet (20a) that is connected with described second outlet (16b) in the operation extend to one can be in operation with boiler or have that the heat supplying loop (2) of high-temperature water is connected the 4th export (20b).

5. each device of claim as described above is characterized by, and it comprises that further one is used for the pump (22) of circulation of fluid, and the latter enters the mouth between (19a) with the described the 3rd being arranged in described first outlet (15b) in the operation.

6. as each the device of claim 1-4, it is characterized by, it comprises that further one is used for changing the device (23) of the flow of the fluid that flow to described first path (15) from described second path (16), and the latter locates to interrelate with described first body (14) at described recirculation opening (17) in operation.

7. device as claimed in claim 6 is characterized by, and described modifier (23) comprises an adjustable handle.

8. as each the device of claim 1-4, it is characterized by, described first body (14) and/or described second body (18) are realized as the cast metal.

9. as each the device of claim 1-4, it is characterized by, described first inlet (15a) and described second inlet (16a) are placed on the opposite position with respect to first body (14), and align substantially.

10. device as claimed in claim 9 is characterized by, and described first outlet (15b) has one to be basically perpendicular to the enter the mouth longitudinal axis of axis of (16a) of described first inlet (15a) and described second.

11. device as claimed in claim 4 is characterized by, described the 3rd outlet (19b) and described the 4th outlet (20b) are placed on the opposite position with respect to second body (18), and basic alignment.

12. the device as claim 11 is characterized by, described the 3rd inlet (19a) has one to be basically perpendicular to the longitudinal axis that described the 3rd outlet (19b) and the described the 4th exports the axis of (20b).

13. device as claimed in claim 1, it is characterized by, described flow regulator (24) comprises a Thermostatic head (24a), the latter is worked in operation, so that activate a gate (24b) that is placed in first path (15), thereby change the flow that enters liquid, this device (24) comprises that also one is placed on the sensor (24c) in the described Third Road footpath (19), and the latter links to each other with described Thermostatic head (24a) in operation.

14. the device as claim 11 is characterized by, described flow regulator (24) comprises a motor, and the latter is worked in operation, so that activate a handle (holder) that is placed in first path (15), thereby changes the flow that enters liquid.

15. the device as claim 11 is characterized by, it comprises the device of the work that is used for control device (1), and the latter is connected with described flow regulator (24) in operation.

16. each device as claim 1-4, it is characterized by, it comprises that further at least one connects the bypass manifold (25) in described second path (16) and described Third Road footpath (19), with a bypass valve (26) that is placed in the bypass manifold (25), so that when the pressure of the fluid of the latter in device (1) surpasses predetermined value, make fluid flow to second path (16) from Third Road footpath (19).

17. each device as claim 1-4, it is characterized by, it further comprises at least one safe temperature detect switch (TDS), and the latter is connected with device (1) in operation, so that the temperature in Third Road footpath (19) stops the mobile of fluid in first inlet (15a) when surpassing predetermined threshold value.

18. each the device as claim 1-4 is characterized by, it comprises that further at least one is placed on the thermometer (27) at least one described fluid path, so that the temperature of the fluid in the indication path separately.

19. each the device as claim 1-4 is characterized by, it comprises that further at least one is used for adjustable closing element (28) and at least one the outlet discharge orifice (8) that stops fluid to flow at device, to be used for emptier (1).

20. each the device as claim 1-4 is characterized by, it further comprises at least one automatic air reducing valve (9).

21. be used for the heating system in room, it is characterized by, it comprises each device (1) of claim as described above.