CN1840371A - Hot water control system for heat supply and hot water switching valve - Google Patents
Hot water control system for heat supply and hot water switching valve Download PDFInfo
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- CN1840371A CN1840371A CN 200610065998 CN200610065998A CN1840371A CN 1840371 A CN1840371 A CN 1840371A CN 200610065998 CN200610065998 CN 200610065998 CN 200610065998 A CN200610065998 A CN 200610065998A CN 1840371 A CN1840371 A CN 1840371A
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Abstract
The present invention purposes to enhance the heating efficiency of a heating hot water control system with a simple configuration.In the heating hot water control system, at least a part of the hot water flow is changed to a bypass pipe 9 side by a butterfly valve 10 to adjust the flow rate of hot water through a radiator 6. Thus, even when the hot water flow in the radiator 6 is stopped, a circulating circuit of hot water is constantly formed, and the momentum of hot water can be retained to some degree. As a result, when the butterfly valve 10 is changed again to the radiator 6 side, the radiator 6 can be heated rapidly, and the heating efficiency of the heating hot water control system can be enhanced.
Description
Technical field
The present invention relates to a kind of heating hot water control system, be particularly related to and a kind ofly be applicable to that the cooling water expansion tank with automotive engine is heating thermal source, and control the heating hot water control system of air themperature in the railway carriage by adjusting the hot water flow that flows through radiator from driving engine.
Background technology
Generally speaking, the automobile air conditioner system, have that low-temperature refrigerant by refrigerating cycle produces the evaporator of cold wind and by produce the radiator of hot blast from the hot water of driving engine, to be heated again by the cold wind that evaporator cools off by radiator, the air in the railway carriage is controlled to be only temperature.
As this temperature control mode, known have air hybrid mode and a type of heating again.The air-blending mode is, a part of cold wind heated again, and evenly mix at the indoor cold wind that will not be reheated of air-blending with through the cold wind of heating again, supplies with in railway carriage.Its temperature control is to be undertaken by the ratio that changes the cold wind air quantity that heats again by radiator with air mix door.On the other hand, type of heating is to heat with the total amount of radiator to cold wind again again, and the control of its temperature is that the flow by the hot water of control inflow radiator carries out.In the present circumstance, utilize type of heating must carry out complicated hot water flow control, therefore, most of vehicles adopt parts and control simple air-blending mode again.
In the heating hot water control system of this air-blending mode, on the pipe arrangement path that connects driving engine and radiator, be provided with the hot water transfer valve that is used to adjust the hot water flow of supplying with to radiator.Though it is various that the structure of this hot water transfer valve has,, what use is butterfly valve (for example, with reference to patent documentation 1) relatively simple for structure, that can make with low cost always.
Figure 17 is the system construction drawing of the example of this heating hot water control system in the past of expression.
This heating hot water control system on the flow pipe road 103 between the hot water inlet of the cooling water outlet of driving engine 101 and radiator 102, disposes the hot water transfer valve 104 that is made of butterfly valve etc.This hot water transfer valve 104 opens and closes with not shown air mix door interlock, adjusts from the flow of driving engine 101 to the high-temperature-hot-water of radiator 102 supplies.And, via the cold wind of not shown evaporator flow through the air mix door shunting, the part of this cold wind is heated up by the controlled radiator 102 of temperature the time.At this moment, the hot blast that is heated up mixes with the cold wind that does not pass through radiator 102, becomes the wind of proper temperature, and the blow-off outlet in railway carriage is sent.
On the other hand, via radiator 102, from the hot water that this hot water outlet is sent, the water pump 105 that drives by launched machine 101 returns to the cooling water inlet of driving engine 101.In addition, on driving engine 101, be provided with the thermal bulb-type thermometer 106 that detects this cooling water expansion tank water temperature, when water temperature surpassed predetermined value, the part of this cold water flowed to cooling vessel 107 by other circulating path.Cooling water expansion tank by cooling vessel 107 coolings is returned to the cooling water inlet of driving engine 101 by water pump 105.
Patent Document 1: special public clear 60-18695 communique (Fig. 3 and Fig. 4)
Yet, in so heating hot water control system, although water pump 105 action is imagined hot water transfer valve 104 and thermal bulb-type thermometer 106 and is in the situation of Close All simultaneously because of certain reason, must guarantee to be used to prevent that ruined water flowing such as water pump 105 from circulating.
For this reason, at the private side of driving engine 101, usually, be provided with bypass circulation 108 as shown in phantom in FIG..Whereby, for example, when driving engine 101 startings, under the state of water flowing,, in driving engine 101, also can guarantee the water flowing circulation even hot water transfer valve 104 is in full-shut position simultaneously with thermal bulb-type thermometer 106 in water pump 105 interlocks.
But, the vehicle that such circulation loop can not be set in the inside of driving engine because of the kind of driving engine is also arranged, in this case, just must guarantee the water flowing circulation somewhere.For example, in heating hot water control system shown in Figure 17, suppose under the situation that does not have bypass circulation 108, for hot water transfer valve 104 is arranged to two-port valve, for example, on the path between the outlet side of the upstream side of hot water transfer valve 104 and radiator 102, be necessary to be provided with again the bypass disc that constitutes by two-port valve.But when new valve is set in addition, have following problem: the arrangement that the space is set is unsatisfactory; Be accompanied by the increase of parts, cost also increases; Because and form between the pipe arrangement in path and also need to increase sealing element, so cause reliability to reduce.
Summary of the invention
The present invention is exactly in light of this situation and proposes, its objective is, and in heating hot water control system, can be simply and realize guaranteeing water flowing on-cycle structure at low cost, better is to save spatialization on the implementation structure and improve reliability.
The present invention is in order to address the above problem, a kind of heating hot water control system is provided, this heating hot water control system at the pipeline that makes the hot water circulation that is heated up by cooled engine midway, be connected with radiator, flow through the flow of the hot water of above-mentioned radiator by adjustment, change the heat dissipation capacity of above-mentioned radiator, it is characterized in that, this heating hot water control system comprises: by passage, be connected the hot water that to supply with from the cooling water outlet of above-mentioned driving engine between the return pipeline that flow pipe road that the hot water inlet of above-mentioned radiator carries and the hot water that makes above-mentioned radiator heat water out return to the cooling water inlet of above-mentioned driving engine, be used to make the hot water that flows through above-mentioned flow pipe road not via above-mentioned radiator, but bypass and derive to above-mentioned return pipeline; And butterfly valve, being configured in the end of above-mentioned by passage, at least a portion that will flow through the hot water on above-mentioned flow pipe road switches in the above-mentioned by passage, and adjustable warping is by the hot water flow of above-mentioned radiator.
In so heating hot water control system, between flow pipe road and return pipeline, be provided with by passage, at least a portion that butterfly valve will flow through the hot water on flow pipe road switches in the by passage, adjusts the hot water flow via radiator.
In addition, in the present invention, a kind of hot water transfer valve (warm water is cut for man's cap used in ancient times) is provided, this hot water transfer valve is configured between the cooling water circulation loop and radiator of driving engine, the hot water flow that adjustment is supplied with to above-mentioned radiator from above-mentioned driving engine is characterized in that this hot water transfer valve comprises main body and butterfly valve, body interior is provided with: flow pipe portion will import from the hot water that the cooling water outlet of above-mentioned driving engine is supplied with and derive to the hot water inlet of above-mentioned radiator; Recurrent canal portion will import from the hot water that the hot water outlet of above-mentioned radiator is sent and derive to the cooling water inlet of above-mentioned driving engine; Bypass pipe portion is so that the mode of above-mentioned radiator bypass is arranged between above-mentioned flow pipe portion and the above-mentioned recurrent canal portion.Above-mentioned butterfly valve is configured in the end of above-mentioned bypass pipe portion, and at least a portion that will flow through the hot water on above-mentioned flow pipe road switches to above-mentioned bypass pipe portion, and adjustable warping is by the hot water flow of above-mentioned radiator.
In this hot water transfer valve, between flow pipe portion and recurrent canal portion, be provided with bypass pipe portion, at least a portion that butterfly valve will flow through the hot water of flow pipe portion switches in the bypass pipe portion, adjusts the hot water flow via radiator.
According to heating hot water control system of the present invention, because by butterfly valve, at least a portion of flow of hot water is switched to the bypass pipe trackside, can adjust hot water flow via radiator, therefore, even the hot water flow of radiator stops, also can guaranteeing the circulation road of hot water.
In addition, owing to flow of hot water can be switched to heat sink side or bypass pipe trackside by butterfly valve, therefore can reduce being provided for switching the essentiality of water flowing with the other new two-port valve of stream, available lower cost is realized, can save the space simultaneously.
This heating hot water control system can realize by hot water transfer valve of the present invention.Particularly, adopted a plurality of pipe portions and the main body one that comprise bypass pipe portion to constitute and in this main body, be provided with the structure of butterfly valve, so can reduce the connecting portion of pipe arrangement, can save the space and improve reliability.
Description of drawings
Fig. 1 is the system construction drawing of the heating hot water control system of the 1st embodiment.
Fig. 2 is the front elevation of hot water transfer valve.
Fig. 3 is the birds-eye view of hot water transfer valve.
Fig. 4 is the left side view of hot water transfer valve.
Fig. 5 is the upward view of hot water transfer valve.
Fig. 6 is the cutaway view along the A-A line direction of arrow among Fig. 2.
Fig. 7 is the cutaway view along the B-B line direction of arrow among Fig. 4.
Fig. 8 is the cutaway view along the C-C line direction of arrow among Fig. 2.
Fig. 9 is the cutaway view along the D-D line direction of arrow among Fig. 2.
Figure 10 is the system construction drawing of the heating hot water control system of the 2nd embodiment.
Figure 11 is the front elevation of hot water transfer valve.
Figure 12 is the birds-eye view of hot water transfer valve.
Figure 13 is the left side view of hot water transfer valve.
Figure 14 is the upward view of hot water transfer valve.
Figure 15 is the cutaway view along the E-E line direction of arrow among Figure 11.
Figure 16 is the cutaway view along the F-F line direction of arrow among Figure 13.
Figure 17 is a system construction drawing of representing the example of heating hot water control system in the past.
Label declaration
1 driving engine, 2 thermal bulb-type thermometers, 3 cooling vessels,
4 water pumps, 5,205 hot water transfer valves, 6 radiatores,
7 flow pipe roads, 8 return pipelines, 9 by passages,
10 butterfly valves, 11 overflow passages, 12 decide differential pressure valve (deciding the differential pressure man's cap used in ancient times),
21,221 main bodys, 22 flow pipe portions, 23 recurrent canal portions,
24 bypass pipe portions, 25 overflow pipe portions, 26 cooling water outlet connecting portions,
27 hot water inlet's connecting portions, 28 cooling water inlet connecting portions,
29 hot water outlet connecting portions, 33,53 spools, 52 valve seats.
The specific embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are elaborated.
(the 1st embodiment)
At first, the 1st embodiment of the present invention is described.Present embodiment is used for the automobile air conditioner system with heating hot water control system of the present invention.Fig. 1 is the system construction drawing of the heating hot water control system of the 1st embodiment.
This heating hot water control system has the cooling water circulation loop that the cooling water outlet of the side from the cylinder band that is arranged on driving engine 1 returns to the cooling water inlet via thermal bulb-type thermometer 2, cooling vessel 3 and water pump 4.In this cooling water circulation loop, be connected with radiator 6 via heating hot water transfer valve 5.
In other words, be provided with: flow pipe road 7, will carry to the hot water inlet of radiator 6 from the hot water that the opposing party's of driving engine 1 cooling water outlet is supplied with; And return pipeline 8, the hot water of the hot water outlet of radiator 6 is returned to the cooling water inlet of driving engine 1.In addition, between flow pipe road 7 and return pipeline 8, be provided with by passage 9, by passage 9 can make the hot water that flows through flow pipe road 7 without radiator 6 and bypass and derive to return pipeline 8.In the downstream end of this by passage 9, promptly on the connecting portion of return pipeline 8 and by passage 9, be provided with and switch to the hot water stream via a side of radiator 6 or make the butterfly valve 10 of a side of its bypass.And then a side of the ratio by passage 9 more close driving engines 1 between flow pipe road 7 and return pipeline 8 is provided with overflow passage 11 side by side with by passage 9, and is provided with and decides differential pressure valve 12, so that the paths in this overflow passage 11 are opened and closed.Should decide differential pressure valve 12, when surpassing predetermined value, opens the pressure reduction of the pressure of hot water (being the hydraulic pressure of return pipeline 8) in pressure of hot water in cooling water outlet (being the hydraulic pressure on flow pipe road 7) and the cooling water inlet, make hot water be discharged into return pipeline 8 sides, and the adjustment valve opening, so that this pressure reduction is remained smaller or equal to predetermined value.Whereby, can prevent, prevent simultaneously because of the excessive phenomenon that produces noise in this valve portion of the hot water flow that passes through butterfly valve 10 with unnecessary hot water supply radiator 6.In addition, comprise this butterfly valve 10 and the device of deciding differential pressure valve 12, constitute above-mentioned hot water transfer valve 5.
Then, describe the structure of hot water transfer valve 5 in detail.Fig. 2 is the front elevation of hot water transfer valve, and Fig. 3 is the birds-eye view of hot water transfer valve, and Fig. 4 is the left side view of hot water transfer valve, and Fig. 5 is the upward view of hot water transfer valve.In addition, Fig. 6 is the cutaway view along the A-A line direction of arrow among Fig. 2, and Fig. 7 is the cutaway view along the B-B line direction of arrow among Fig. 4, and Fig. 8 is the cutaway view along the C-C line direction of arrow among Fig. 2, and Fig. 9 is the cutaway view along the D-D line direction of arrow among Fig. 2.
As Fig. 2～shown in Figure 5, hot water transfer valve 5 has the main body 21 that resin is made, and this main body 21 is provided with a plurality of pipe portion that constitutes above-mentioned a plurality of pipelines.In other words, main body 21 has: the flow pipe portion 22 that constitutes flow pipe road 7; Constitute the recurrent canal portion 23 of return pipeline 8; Constitute the bypass pipe portion 24 of by passage 9; And the overflow pipe portion 25 that constitutes overflow passage 11.
Particularly, as shown in Figure 6, an end of bypass pipe portion 24 is connected on hot water inlet's connecting portion 27, and the other end is connected on the hot water outlet connecting portion 29, and roughly intersects with these hot water inlet's connecting portions 27 and hot water outlet connecting portion 29 at right angles.This bypass pipe portion 24 constitutes the main body of butterfly valve 10.
In other words, the sleeve 32 made of rubber inserts from the peristome of hot water inlet's connecting portion 27 sides of the cylindric body 31 of bypass pipe portion 24 along inner circumferential surface and is fixing.As shown in Figure 7, in the side of this sleeve 32, be provided with and be used to open pore 32a that bypass pipe portion 24 is communicated with cooling water inlet connecting portion 28.In addition, bypass pipe portion 24 is to keep by the O type circle 61 that is configured in this junction surface with the airtight of junction surface of hot water outlet connecting portion 29, and the junction surface of bypass pipe portion 24 and hot water inlet's connecting portion 27 airtight is that the end fitting portion 32b by the sleeve 32 that is configured in this junction surface keeps.
And, in sleeve 32, dispose the spool 33 of the butterfly valve 10 that forms by plate.This spool 33 is fixed on axle on 34 (being equivalent to " turning cylinder "), and axle 34 becomes and these body 31 quadratures in the central configuration of body 31, and this spool 33 can be the center swing with this axle 34.Axle 34, one end connect sleeve 32 and also are supported among the bearing groove 31a that is formed on body 31 sides, and another is distolateral to form as one with the bar 35 that is connected on the not shown air mix door by metal filament (wire) etc.
Spool 33 has elliptical shape, and when its major axis became predetermined angular with respect to the axis of body 31, the projection of shape of its axis direction has and the section of body 31 is cooresponding was just round size, and its minor axis forms greatly slightly than the internal diameter of sleeve 32.Therefore, as shown in Figure 7, when spool 33 rotates around an axial direction, fastening is made the maximum heating position (with reference to dotted line) of hot water inflow radiator 6 closing bypass pipe portion 24, when spool 33 rotates around axial another direction, fastening is made the maximum refrigeration position (with reference to solid line) of the circuitous radiator 6 of hot water opening bypass pipe portion 24.
Special an end of overflow pipe portion 25 is connected on the cooling water outlet connecting portion 26 as Fig. 8 and shown in Figure 9, and is connected with cooling water inlet connecting portion 28 near another distolateral sidepiece.At this sidepiece, be formed with the intercommunicating pore 25a that overflow pipe portion 25 is communicated with cooling water inlet connecting portion 28.Overflow pipe portion 25 roughly intersects with these cooling water outlet connecting portions 26 and cooling water inlet connecting portion 28 at right angles, and is configured in the medial region of the bending part of flow pipe portion 22.In addition, airtight between overflow pipe portion 25 and the cooling water inlet connecting portion 28 is to keep by the O type circle 62 that is configured on these junction surfaces.
This overflow pipe portion 25 constitutes the main body of deciding differential pressure valve 12, and the upstream side (being cooling water outlet connecting portion 26 sides) at its cylindric body 51 with the level is provided with spool 53, and this spool 53 can contact or separate with the valve seat 52 that forms by stage portion.This spool 53, its flange shape body circumference forms taper, constitutes with respect to valve seat 52 and can load and unload.In addition, near the body circumference of spool 53, be equipped with a plurality of foots 54 that can slide along the inwall of the 25b of draw portion of overflow pipe portion 25, the motion of the axis direction of spool 53 is led by the 25b of draw portion.In addition, the side opposite with body foot 54 at spool 53 is formed with the axial region 55 that extends along axis.
In addition, in the downstream of body 51, force fit has the guiding parts 56 of pair spool 53 along its axis direction guiding and support.On this guiding parts 56, be provided with the pilot hole 57 that extends along axis direction, the axial region 55 of spool 53 is connected wherein, so that axial region 55 can slide along its axis direction.In addition, airtight between guiding parts 56 and the body 51 is to keep by the O type circle 63 that is configured on its junction surface.In addition, around the pilot hole 57 of the front end face of guiding parts 56, form the spring support portion 58 of circular groove shape, coil spring 59 (force application part) is between this spring support portion 58 and spool 53, to making its direction that is seated on the valve seat 52 apply application force, an end of this coil spring 59 is received and is supported on this spring support portion 58 to this spool 53.At the pressure reduction of the pressure of hot water of the flow pipe portion 22 that flows through and the pressure of hot water of the recurrent canal portion 23 that flows through during smaller or equal to predetermined value, this spool 53 is in the valve closed condition, but, when this pressure reduction surpasses predetermined value, spool 53 is opened, and the part of the hot water of flow pipe portion 22 is discharged in the overflow pipe portion 25 and to recurrent canal portion 23 to be derived.
Return Fig. 1, in having the heating hot water control system of above structure, when butterfly valve 10 being adjusted to maximum refrigeration position, send into hot water the flow pipe road 7 from driving engine 1, its total amount flows to return pipeline 8 by by passage 9, and turns back to driving engine 1 side by water pump 4.At this moment, when the differential water pressures of flow pipe road 7 and return pipeline 8 is higher than predetermined value, decides differential pressure valve 12 and open, make differential water pressures not be higher than predetermined value.
On the other hand, when butterfly valve 10 being adjusted to maximum heating position, send into hot water the flow pipe road 7, supply with radiator 6 from driving engine 1.And the hot water from radiator 6 arrival return pipelines 8 turns back to driving engine 1 side by water pump 4.At this moment, similarly, when the differential water pressures of flow pipe road 7 and return pipeline 8 is higher than predetermined value, decides differential pressure valve 12 and open, make differential water pressures not be higher than predetermined value.
When the position butterfly valve 10 adjusted between maximum refrigeration position and the maximum heating position, will hot water supply radiator 6 through flow control in, its remaining hot water is mobile to return pipeline 8 via by passage 9.Via the hot water of radiator 6 and by passage 9, in return pipeline 8, collaborate respectively, and turn back to driving engine 1 side by water pump 4.
As mentioned explanation like that, in the heating hot water control system of present embodiment, butterfly valve 10 plays the effect of triple valve, and at least a portion of hot water flow is switched to by passage 9 sides, whereby, adjusts the hot water flow via radiator 6.Thereby, even the hot water flow in the radiator 6 stops, also can guaranteeing the circulation road of hot water.
And,, therefore can utilize lower cost to realize hot water transfer valve 5 owing to butterfly valve 10 has the simple physical construction that moves with air mix door.
In addition and since butterfly valve 10 with decide differential pressure valve 12 one and constitute hot water transfer valve 5, so compare with the situations of decide differential pressure valve 12 independent formations, can reduce pipe arrangement quantity with butterfly valve 10, maybe can shorten its length.Particularly, owing to decide the medial region that differential pressure valve 12 is configured in the bending part of flow pipe portion 22, so, can constitute hot water transfer valve 5 very compactly.Thereby both are configured in the railway carriage inboard can and to decide differential pressure valve 12 with butterfly valve 10, and are not configured in the engine room under the hot environment, and (with reference to Fig. 2), the component parts of each valve or material do not need to use the high price parts or the material of excellent heat resistance yet.In addition, owing to reduced pipe arrangement quantity, so also reduced installation work-hour.Thereby, as entire system, available low-cost the realization.In addition and since butterfly valve 10 with decide differential pressure valve 12 and form as one, so also can reduce pipe-fitting joint portion, for preventing that the quality assurance aspect of hot water to external leaks from also being favourable.
(the 2nd embodiment)
Hereinafter, the 2nd embodiment of the present invention is described.In addition, the heating hot water control system of present embodiment is except the structure difference of hot water transfer valve, other structures are identical with the heating hot water control system of the 1st embodiment, so, for structure division about the same, be marked with identical label etc., and omit its explanation.Figure 10 is the system construction drawing of the heating hot water control system of the 2nd embodiment.
This heating hot water control system is being connected on the hot water transfer valve 205 of cooling water circulation loop, does not dispose the differential pressure valve of deciding as shown in Figure 1.
Then, describe the structure of hot water transfer valve 205 in detail.Figure 11 is the front elevation of hot water transfer valve, and Figure 12 is the birds-eye view of hot water transfer valve, and Figure 13 is the left side view of hot water transfer valve, and Figure 14 is the upward view of hot water transfer valve.In addition, Figure 15 is the cutaway view along the E-E line direction of arrow among Figure 11.Figure 16 is the cutaway view along the F-F line direction of arrow among Figure 13.
As Figure 11～shown in Figure 14, the main body 221 that the resin of hot water transfer valve 205 is made has: the flow pipe portion 22 that constitutes flow pipe road 7; Constitute the recurrent canal portion 23 of return pipeline 8; And the bypass pipe portion 24 that constitutes by passage 9; But, do not have to be provided with overflow pipe portion as shown in Figure 2.
As Figure 15 and shown in Figure 16, bypass pipe portion 24 is basic identical with the structure of Figure 6 and Figure 7.Just the structure of the connecting rod mechanism of bar 35 formations is slightly different.In other words, as Figure 12～shown in Figure 14, from main body 221, extend side by side and be provided with and bar 35 constitutes the support component 240 of the long plate shape of connecting rod mechanism together, coil spring 41 connects each leading section of these bars 35 and support component 240 in the mode of bridge joint.41 pairs of bars 35 of this coil spring apply the rotational force around self axle, so that spool 33 is in maximum heating position.Thereby spool 33 is usually located at maximum heating position, still, for example, when the not shown bar of operator's operation setting in railway carriage, bar 35 and air mix door interlock, and overcome the application force of coil spring 41 and rotate, thus, displacement between maximum heating position and maximum refrigeration position.
Return Figure 10, in having the heating hot water control system of said structure, when butterfly valve 10 being controlled at maximum refrigeration position, send into hot water the flow pipe road 7 from driving engine 1, its total amount is all passed through by passage 9 and is flowed to return pipeline 8, and turns back to driving engine 1 side by water pump 4.
On the other hand, when butterfly valve 10 being controlled at maximum heating position, send into hot water the flow pipe road 7, supply with radiator 6 from driving engine 1.And the hot water from radiator 6 arrival return pipelines 8 turns back to driving engine 1 side by water pump 4.
When butterfly valve 10 being controlled at maximum refrigeration position and maximum position of heating between the position, through in the hot water supply radiator 6 of flow control, its remaining hot water flows to return pipeline 8 via by passage 9.Via the hot water of radiator 6 and by passage 9, in return pipeline 8, collaborate respectively, and turn back to driving engine 1 side by water pump 4.
As mentioned explanation like that, in the heating hot water control system of present embodiment, also can at least a portion of hot water flow be switched to by passage 9 sides by butterfly valve 10, adjust hot water flow via radiator 6.Thereby, even the hot water flow in the radiator 6 stops, also forming the circulation loop of hot water all the time.In addition, because butterfly valve 10 is configured in the downstream of by passage 9, promptly be configured on the connecting portion of by passage 9 and return pipeline 8,, also can keep the state of hot water storage in the radiator 6 even therefore butterfly valve 10 is switched to by passage 9 sides.Its result when butterfly valve 10 is switched to radiator 6 sides once again, can promptly make radiator 6 heat up, and improves the heat supply efficiency of heating hot water control system.
In addition, owing to butterfly valve 10 has the simple physical construction that moves with air mix door, therefore can utilize lower cost to realize hot water transfer valve 5.
Claims (8)
1. heating hot water control system, at the pipeline that makes the hot water circulation that is heated up by cooled engine midway, be connected with radiator, flow through the flow of the hot water of described radiator by adjustment, change the heat dissipation capacity in the described radiator, it is characterized in that this heating hot water control system comprises:
By passage, be connected the hot water that to supply with from the cooling water outlet of described driving engine between flow pipe road that the hot water inlet of described radiator carries and return pipeline that the hot water of described radiator heat water out is returned to the cooling water inlet of described driving engine, make the hot water bypass not that flows through described flow pipe road, and derive to described return pipeline via described radiator;
And butterfly valve, being configured in the end of described by passage, at least a portion that will flow through the hot water on described flow pipe road switches in the described by passage, and adjustable warping is by the hot water flow of described radiator.
2. heating hot water control system according to claim 1, it is characterized in that, between described flow pipe road and described return pipeline, be provided with and decide differential pressure valve, this decide differential pressure valve and described by passage disposes side by side, and the pressure of hot water of described cooling water outlet and the pressure reduction of the pressure of hot water in the described cooling water inlet are remained smaller or equal to predetermined value.
3. heating hot water control system according to claim 1 is characterized in that described butterfly valve is configured on the connecting portion of described by passage and described return pipeline.
4. a hot water transfer valve is configured between engine cooling water-flow circuit and the radiator, adjusts the hot water flow of supplying with to described radiator from described driving engine, it is characterized in that this hot water transfer valve comprises:
Main body is provided with in inside: flow pipe portion will import from the hot water that the cooling water outlet of described driving engine is supplied with and derive to the hot water inlet of described radiator; Recurrent canal portion will import from the hot water that the hot water outlet of described radiator is sent and derive to the cooling water inlet of described driving engine; And bypass pipe portion, so that the mode of described radiator bypass is arranged between described flow pipe portion and the described recurrent canal portion;
Butterfly valve is configured in the end of described bypass pipe portion, and at least a portion that will flow through the hot water on described flow pipe road switches in the described bypass pipe portion, and adjustable warping is by the hot water flow of described radiator.
5. hot water transfer valve according to claim 4 is characterized in that, also comprises:
Overflow pipe portion between described flow pipe portion in described main body and the described recurrent canal portion, is set up in parallel with described bypass pipe portion; And
Decide differential pressure valve, be configured in the described overflow pipe portion, the pressure reduction of the pressure of hot water of the pressure of hot water of described cooling water outlet and described cooling water inlet is remained smaller or equal to predetermined value.
6. hot water transfer valve according to claim 5 is characterized in that, is connected the connecting rod mechanism that is provided with the S. A. of described butterfly valve, is arranged to extend to the outside of described main body.
7. hot water transfer valve according to claim 6 is characterized in that, describedly decides differential pressure valve and is made of the mechanical type control cock, and this mechanical type control cock has: spool can contact or be arranged on discretely on the valve seat of being located at described main body integratedly; And force application part, described spool is applied application force to the direction of shutoff valve; When described pressure reduction surpassed described predetermined value, described spool overcame the application force of described force application part, promoted from described valve seat.
8. hot water transfer valve according to claim 5, it is characterized in that, the described flow pipe portion of described main body and described recurrent canal portion constitute, and to roughly the same direction bending, described decide the medial region that differential pressure valve is configured in arbitrary at least bending part at separately pars intermedia.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005095947 | 2005-03-29 | ||
| JP2005095947A JP2006273149A (en) | 2005-03-29 | 2005-03-29 | Heating hot water control system, and hot water control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1840371A true CN1840371A (en) | 2006-10-04 |
| CN100443322C CN100443322C (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100659989A Expired - Fee Related CN100443322C (en) | 2005-03-29 | 2006-03-29 | Hot water control system for heat supply and hot water switching valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006273149A (en) |
| CN (1) | CN100443322C (en) |
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| CN102968140A (en) * | 2012-11-28 | 2013-03-13 | 芜湖博耐尔汽车电气系统有限公司 | Water temperature control device for automobile air-conditioning heater and control method thereof |
| DE102018109094B4 (en) | 2017-04-18 | 2023-12-14 | GM Global Technology Operations LLC | Device for controlling the flow of coolant through a heater of a vehicle |
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| EP0022264A1 (en) * | 1979-07-09 | 1981-01-14 | Eaton Corporation | Fluid valve |
| CN88210357U (en) * | 1988-03-25 | 1988-11-09 | 李树民 | Warm air system for car |
| JPH05221234A (en) * | 1990-09-13 | 1993-08-31 | T G K:Kk | Room heating device for automobile |
| JP3279105B2 (en) * | 1994-12-27 | 2002-04-30 | 株式会社デンソー | Flow control valve and hot water heating system using the same |
| US5743466A (en) * | 1994-12-23 | 1998-04-28 | J. Eberspacher Gmbh & Co. | Heating system especially for motor vehicles |
| JP3334439B2 (en) * | 1995-07-21 | 2002-10-15 | 株式会社デンソー | Heating system |
| JP3562154B2 (en) * | 1996-08-06 | 2004-09-08 | 株式会社デンソー | Hot water heating system |
| JP2000043545A (en) * | 1998-07-27 | 2000-02-15 | Mitsubishi Heavy Ind Ltd | Vehicle air-conditioning device |
| CN2468786Y (en) * | 2001-03-03 | 2002-01-02 | 殷凤森 | Energy-saving, air-heating and temp.-increasing apparatus for automobile |
-
2005
- 2005-03-29 JP JP2005095947A patent/JP2006273149A/en active Pending
-
2006
- 2006-03-29 CN CNB2006100659989A patent/CN100443322C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575569A (en) * | 2009-10-05 | 2012-07-11 | 丰田自动车株式会社 | Cooling device for vehicle |
| CN103038475A (en) * | 2010-03-31 | 2013-04-10 | 法雷奥热系统公司 | Cooling device for an engine exhaust gas recirculation circuit |
| CN103038475B (en) * | 2010-03-31 | 2016-08-03 | 法雷奥热系统公司 | Chiller for engine exhaust gas recirculation circuit |
| CN102582418A (en) * | 2010-11-23 | 2012-07-18 | 株式会社电装 | Cooling system for vehicle |
| CN114526565A (en) * | 2022-03-17 | 2022-05-24 | 罗益（无锡）生物制药有限公司 | Cooling system and cooling method for injection water distiller condenser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100443322C (en) | 2008-12-17 |
| JP2006273149A (en) | 2006-10-12 |
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