CN207881192U - Gas heater and heating system - Google Patents
Gas heater and heating system Download PDFInfo
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- CN207881192U CN207881192U CN201820171893.XU CN201820171893U CN207881192U CN 207881192 U CN207881192 U CN 207881192U CN 201820171893 U CN201820171893 U CN 201820171893U CN 207881192 U CN207881192 U CN 207881192U
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Abstract
It includes heat-exchange system that the utility model, which discloses a kind of gas heater and heating system, the gas heater, has hot water inlet, cooling water inlet and mixed water out；Combustion system, for heating the heat-exchange system；First temperature sensor is set to the hot water inlet；And controller, it is electrically connected respectively with the combustion system and first temperature sensor, the controller is used for the inflow temperature according to the hot water inlet and preset target temperature, controls the combustion system burning or controls the cooling water inlet water inlet.Technical solutions of the utility model can avoid the generation of the too high or too low phenomenon of target temperature.
Description
Technical field
The utility model is related to gas heater technical field, more particularly to a kind of gas heater and heating system.
Background technology
Currently, new energy and central heating appliance are more and more universal, for example, for students' dormitory or residential building, by
Roof establishes the solar energy system of large area, and hot water is provided for all resident families downstairs to concentrate, independent relative to each family user
It is arranged for a solar energy system, the solar energy system of the large area set by central heating, structure is compacter, integrally accounts for
Ground area smaller, and the efficiency of heating surface and the equal higher of energy utilization rate.
But since the resident family in every building is often more, in water use peak section, or when continuous rainy days, big greasy weather,
It is susceptible to the case where hot water can not be supplied in time；And within period of the less user using hot water, solar energy system is to water
Continuous heating is carried out, causes hot water temperature excessively high, is easy scald user.
Utility model content
The main purpose of the utility model is to provide a kind of gas heater, it is intended to avoid target temperature too high or too low existing
The generation of elephant.
To achieve the above object, the utility model proposes a kind of gas heaters, including：
Heat-exchange system has hot water inlet, cooling water inlet and mixed water out；
Combustion system, for heating the heat-exchange system；
First temperature sensor is set to the hot water inlet；And
Controller is electrically connected with the combustion system and first temperature sensor respectively, and the controller is used for root
According to inflow temperature and the preset target temperature of the hot water inlet, control the combustion system burning or control the cold water into
Mouth water inlet.
Preferably, the gas heater further includes the second temperature sensor being arranged at the mixed water out；
The controller is additionally operable to according to leaving water temperature, the inflow temperature and the mesh at the mixed water out
Temperature is marked, the flow of inlet water of the flow of inlet water and the hot water inlet of the cooling water inlet is changed；Alternatively, the controller is also used
According to leaving water temperature, the inflow temperature and the target temperature at the mixed water out, the combustion system is adjusted
Firepower size.
Preferably, the heat-exchange system is equipped with proportioning valve, and the proportioning valve has a water cavity, is connected to the two of the water cavity
An input port and delivery outlet, the spool in the water cavity and actuator being electrically connected with the spool, the cold water into
Mouth and the hot water inlet are respectively connected to an input port, and the controller is electrically connected with the actuator, and described in control
Actuator drives the spool to be moved in the water cavity, so that two input ports are connected to or disconnect with the delivery outlet.
Preferably, the spool is bonded setting with the peritreme of two input ports, and the spool is equipped with and the output
The water passage of mouth connection, the width of the water passage are more than the wall thickness between two input ports, the controller control
The actuator drives the valve core movement, so that the water passage is connected to at least one input port.
Preferably, the controller controls the actuator driving spool and is rotated in the water cavity.
Preferably, the section of the water cavity is rounded, and the spool is in the semi-cylindrical being adapted to the water cavity, the mistake
Aquaporin is set on the axial plane of the spool, and is arranged through the circumferential surface of the spool, and the controller controls the actuator
The spool is driven to be rotated in the water cavity.
Preferably, the delivery outlet and two input ports are divided into the both sides radially of the water cavity, and institute
It states and is arranged between input port described in delivery outlet face two.
Preferably, the controller controls the actuator driving spool and is translated in the water cavity.
Preferably, a proportioning valve, the controller and the ratio are respectively provided at the cooling water inlet and the hot water inlet
Example valve electrical connection.
The utility model also proposes that a kind of heating system, the heating system include solar water heater and gas and hot water
Device, the solar water appliance have hot water outlet, the hot water outlet to be connected to the hot water inlet of the gas heater；Combustion
Gas water heater includes：
Heat-exchange system has hot water inlet, cooling water inlet and mixed water out；
Combustion system, for heating the heat-exchange system；
First temperature sensor is set to the hot water inlet；And
Controller is electrically connected with the combustion system and first temperature sensor respectively, and the controller is used for root
According to inflow temperature and the preset target temperature of the hot water inlet, control the combustion system burning or control the cold water into
Mouth water inlet.
In the utility model, when inflow temperature is less than preset target temperature, illustrate what solar water heater was provided
The temperature of hot water is relatively low, it is difficult to meet user demand, therefore when controller judgement inflow temperature is less than preset target temperature, control
The fuel gas inlet of combustion system processed and air intlet air inlet, and control gaseous mixture of the igniter to combustion gas and air of combustion system
Body carries out ignition, and combustion heating is carried out to exchange hot systems, and the burned system of hot water for flowing through heat-exchange system further adds
Heat, to meet user's water demand.When inflow temperature is higher than preset target temperature, show what solar water heater was provided
The temperature of hot water is higher, is easy scald user, therefore when controller judgement inflow temperature is higher than preset target temperature, control is cold
Water inlet is intake, so that cold water is mixed with hot water, to reduce leaving water temperature, user is avoided to be burned.
Description of the drawings
Fig. 1 is the structural schematic diagram of an embodiment of the utility model gas heater；
Fig. 2 is the internal structure schematic diagram of gas heater in Fig. 1；
Fig. 3 is the cut-away illustration of proportioning valve in Fig. 2.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Heat-exchange system | 50 | Second temperature sensor |
| 11 | Hot water inlet | 60 | Proportioning valve |
| 12 | Cooling water inlet | 61 | Water cavity |
| 13 | Mixed water out | 62 | Input port |
| 20 | Combustion system | 63 | Delivery outlet |
| 30 | First temperature sensor | 64 | Spool |
| 40 | Controller | 641 | Water passage |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in the picture)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of heating system, the heating system includes solar water heater and gas heater,
The solar water appliance has hot water outlet, the hot water outlet to be connected to the hot water inlet of the gas heater.In general,
Solar water heater is arranged on roof, for tentatively being heated to tap water, and the delivery after heating is hot to combustion gas
Hydrophone can be resident family's centralizedly supply hot water of entire building.Requirement due to each resident family to water temperature is different, therefore each resident family
It is correspondingly arranged on auxiliary water heater, the auxiliary water heater in the utility model is gas heater, can be to solar water
The hot water that device provides carries out heating or cooling processing.
As depicted in figs. 1 and 2, in the present embodiment, the gas heater includes heat-exchange system 10 and described for heating
The combustion system 20 of heat-exchange system 10, heat-exchange system 10 are usually finned tube exchanger；In other embodiments, heat-exchange system 10
For finned and hot cubic structure or finned and sleeve type structure.The heat-exchange system 10 has hot water inlet 11, cold
Water inlet 12 and mixed water out 13, hot water inlet 11 are connected to the hot water outlet of solar water heater, cooling water inlet 12 with originally
Water water source is connected to, and mixed water out 13 is connected to user with water end (W.E.).Combustion system 20 includes burner, and burner, which can specifically be located at, to be changed
Heat-exchange system 10 is heated in hot systems 10 lower sections with flame upward；Or burner is located at 10 top of heat-exchange system, to spray downward
Fire heats heat-exchange system 10；Or burner is located at 10 side of heat-exchange system, to heat heat-exchange system 10 towards side flame.
In the present embodiment, gas heater includes：
Heat-exchange system 10 has hot water inlet 11, cooling water inlet 12 and mixed water out 13；
Combustion system 20, for heating the heat-exchange system 10；
First temperature sensor 30 is set to the hot water inlet 11；And
Controller 40 is electrically connected with the combustion system 20 and first temperature sensor 30, the controller respectively
40 are used for the inflow temperature according to the hot water inlet 11 and preset target temperature, control the burning of the combustion system 20 or control
Make the water inlet of the cooling water inlet 12.
Specifically, the controller 40 is used to be less than preset target temperature when the inflow temperature of the hot water inlet 11
When, control the burning of the combustion system 20；The controller 40 is additionally operable to when the inflow temperature is higher than the target temperature,
Control the water inlet of the cooling water inlet 12.
In the utility model, the first temperature sensor 30 is measured in real time the inflow temperature at hot water inlet 11, and
Testing result is sent to controller 40.In the present embodiment, the first temperature sensor 30 is connected with controller 40 by electric connection line
It connects；Certainly, in other embodiments, the first temperature sensor 30 is wirelessly connected with controller 40, for example, the first temperature sensor
30 are equipped with wireless transmitter module, and controller 40 is equipped with wireless receiving module.
Preset target temperature is set by user according to personal habits, when the inflow temperature is less than preset target temperature
When, illustrate that the temperature for the hot water that solar water heater is provided is relatively low, it is difficult to meet user demand, thus when controller 40 judge into
When coolant-temperature gage is less than preset target temperature, fuel gas inlet and the air intlet air inlet of combustion system 20 are controlled, and controls burning
The igniter of system 20 carries out ignition to the mixed gas of combustion gas and air, and combustion heating is carried out to exchange hot systems 10,
The hot water for flowing through heat-exchange system 10 is burned the further heating of system 20, to meet user's water demand.When the inflow temperature
When higher than preset target temperature, show that the temperature for the hot water that solar water heater is provided is higher, is easy scald user, therefore works as
When controller 40 judges that inflow temperature is higher than preset target temperature, control cooling water inlet 12 is intake, so that cold water is mixed with hot water
It closes, to reduce leaving water temperature.
Further, the controller 40 is additionally operable to when the inflow temperature is less than the target temperature, according to described
Inflow temperature and the target temperature, adjust the firepower of the combustion system 20.
In general, controller 40 controls the firepower size of combustion system 20 by controlling the air inflow of fuel gas inlet.This reality
It applies in example, controller 40 works as inflow temperature according to the difference of inflow temperature and target temperature to adjust the firepower of combustion system 20
(for example, the default upper difference is more than 5 DEG C, concretely 6 DEG C, 7 DEG C or 9 when being more than default upper difference with the difference of target temperature
DEG C), show that inflow temperature is far smaller than target temperature, then controller 40 controls the increase firepower of combustion system 20, for example, controller
40 control combustion systems 20 are burnt with high flame.When the difference of inflow temperature and target temperature, which is less than, sets difference in advance
(for example, the pre- difference of setting is more than 0 DEG C, being less than 2 DEG C, concretely 0.5 DEG C, 1 DEG C or 1.5 DEG C), show that inflow temperature is close
Target temperature, then controller 40 controls the reduction firepower of combustion system 20, for example, controller 40 controls combustion system 20 with small firepower
It burns.When the difference of inflow temperature and target temperature is between default upper difference and sets between difference in advance, controller 40
Control combustion system 20 is burnt with middle firepower.
Water temperature difference-gas inlet amount table of comparisons, the water temperature difference and combustion are prestored in another embodiment, in memory
Correspondence between water temperature difference and gas inlet amount of the gas air inflow table of comparisons to characterize inflow temperature and target temperature,
Controller 40 gets gas inlet amount corresponding with water temperature difference by inquiring the table of comparisons, and according to the combustion gas of acquisition into
Tolerance adjusts the firepower of combustion system 20.
In another embodiment, controller 40 is according to the ratio of inflow temperature and target temperature, to adjust combustion system 20
Firepower, when the ratio of inflow temperature and target temperature be less than it is pre- set ratio when (for example, the pre- ratio of setting is less than 0.6, tool
Body can be 0.1,0.4 or 0.5), show that inflow temperature is far smaller than target temperature, then controller 40 controls combustion system 20 and increases
Firepower, e.g., controller 40 are controlled combustion system 20 and are burnt with high flame.When the ratio of inflow temperature and target temperature is more than
When default upper ratio (for example, the default upper ratio is more than 0.8, concretely 0.85,0.9 or 0.95), show that inflow temperature connects
Close-target temperature, then controller 40 control combustion system 20 reduce firepower, e.g., controller 40 control combustion system 20 with small firepower
It burns.When the ratio of inflow temperature and target temperature is between default upper ratio and sets between ratio in advance, controller 40
Control combustion system 20 is burnt with middle firepower.
Certainly, water temperature ratio-gas inlet amount table of comparisons is prestored in other embodiments, in memory, the water temperature ratio
Pair between the water temperature ratio and gas inlet amount of value and the gas inlet amount table of comparisons to characterize inflow temperature and target temperature
It should be related to, controller 40 gets gas inlet amount corresponding with water temperature ratio, and according to acquisition by inquiring the table of comparisons
Gas inlet amount adjusts the firepower of combustion system 20.
Further, the controller 40 is additionally operable to when the inflow temperature is higher than the target temperature, according to described
Inflow temperature and the target temperature adjust the ratio of the flow of inlet water of the cooling water inlet 12 and the hot water inlet 11.
In the present embodiment, when the inflow temperature is higher than the target temperature, controller 40 is according to inflow temperature and mesh
The difference of temperature is marked, adjusts the flow of inlet water of cooling water inlet 12 and hot water inlet 11 respectively.When inflow temperature and target temperature
When difference is more than preset difference value (for example, the preset difference value is more than 5 DEG C, concretely 6 DEG C, 7 DEG C or 9 DEG C), show inflow temperature
It is far longer than target temperature, then controller 40 controls the ratio increasing of the flow of inlet water of cooling water inlet 12 and the hot water inlet 11
Greatly, i.e., accordingly the flow of inlet water of control cooling water inlet 12 increases, while keeping the flow of inlet water of hot water inlet 11 constant or simultaneously
The flow of inlet water for controlling hot water inlet 11 reduces；Alternatively, accordingly the flow of inlet water of control cooling water inlet 12 is constant, while controlling heat
The flow of inlet water of water inlet 11 reduces, so that the ratio of the flow of inlet water of cooling water inlet 12 and the hot water inlet 11 increases.
When the difference of inflow temperature and target temperature is less than preset difference value, show inflow temperature close to target temperature, then controller 40
The ratio for controlling the flow of inlet water of cooling water inlet 12 and the hot water inlet 11 reduces, i.e. the accordingly water inlet of control cooling water inlet 12
Flow reduces, while keeping the flow of inlet water of hot water inlet 11 constant or controlling the flow of inlet water increase of hot water inlet 11 simultaneously；
Or the flow of inlet water of corresponding control cooling water inlet 12 is constant, and the flow of inlet water for controlling hot water inlet 11 increases, so that cold
The ratio of the flow of inlet water of water inlet 12 and the hot water inlet 11 reduces.
Prestore water temperature difference-flow of inlet water ratio control table in another embodiment, in memory, the water temperature difference with
Flow of inlet water ratio control table is to characterize the water temperature difference of inflow temperature and target temperature, with cooling water inlet 12 and hot water inlet
Correspondence between 11 flow of inlet water ratio, controller 40 are got corresponding with water temperature difference by inquiring the table of comparisons
Flow of inlet water ratio, and adjust according to the flow of inlet water ratio of acquisition the feed water flow of cooling water inlet 12 and hot water inlet 11
Amount.
In another embodiment, controller 40 is according to the ratio of inflow temperature and target temperature, to adjust cooling water inlet 12
With the flow of inlet water of the flow of inlet water cooling water inlet 12 and hot water inlet 11 of hot water inlet 11.Certainly, it in other embodiments, deposits
Water temperature ratio-flow of inlet water ratio control table is prestored in reservoir, the water temperature ratio is with flow of inlet water ratio control table to table
The correspondence between inflow temperature and the water temperature ratio and flow of inlet water ratio of target temperature is levied, controller 40 should by inquiry
The table of comparisons gets flow of inlet water ratio corresponding with water temperature ratio, and adjusts cold water according to the flow of inlet water ratio of acquisition
The flow of inlet water of import 12 and hot water inlet 11.
Further, the gas heater further includes the second temperature sensor being arranged at the mixed water out 13
50；Second temperature sensor 50 is measured in real time to mixing the inflow temperature at water out 13, and testing result is sent to control
Device 40 processed.In the present embodiment, second temperature sensor 50 is connect with controller 40 by electric connection line；Certainly, in other implementations
In example, second temperature sensor 50 is wirelessly connected with controller 40, for example, second temperature sensor 50 is equipped with wireless transmission mould
Block, controller 40 are equipped with wireless receiving module.
In the present embodiment, the controller 40 is additionally operable to according to the leaving water temperature at the mixed water out 13, the water inlet
Temperature and the target temperature change the flow of inlet water of the flow of inlet water and the hot water inlet 11 of the cooling water inlet 12；
Alternatively, the controller 40 is additionally operable to according to leaving water temperature, the inflow temperature and the mesh at the mixed water out 13
Temperature is marked, the firepower size of the combustion system 20 is adjusted.
Specifically, the leaving water temperature at the mixed water out 13 is less than the inflow temperature, and is less than the target temperature
When spending, the flow of inlet water that controller 40 controls the cooling water inlet 12 reduces, and/or controls the feed water flow of the hot water inlet 11
Amount increases；The controller 40 is additionally operable to when the leaving water temperature is less than the inflow temperature, and is higher than the target temperature,
The flow of inlet water for controlling the cooling water inlet 12 increases, and/or controls the flow of inlet water reduction of the hot water inlet 11.The implementation
In example, when the leaving water temperature is less than inflow temperature, then inevitably, cooling water inlet 12 is open, and mixes the water of water out 13
For the mixing water of cold water and hot water.When the leaving water temperature is less than target temperature, show that the aperture of cooling water inlet 12 is larger, or
Person is that the aperture of hot water inlet 11 is smaller, therefore the flow of inlet water that controller 40 controls cooling water inlet 12 reduces, and/or described in control
The flow of inlet water of hot water inlet 11 increases, so that leaving water temperature is close or equal to target temperature, to meet user demand.The reality
It applies in example, when the leaving water temperature is higher than target temperature, shows that the aperture of cooling water inlet 12 is smaller or hot water inlet 11
Aperture it is larger, therefore the flow of inlet water that controller 40 controls the cooling water inlet 12 increases, and/or the control hot water inlet 11
Flow of inlet water reduce.
Specifically, the controller 40 is additionally operable to be higher than the inflow temperature when the leaving water temperature, and is less than the mesh
When marking temperature, controls the combustion system 20 and increase firepower；The controller 40 is additionally operable to when the leaving water temperature is higher than described
Inflow temperature, and higher than the target temperature when, control the combustion system 20 reduce firepower.When the leaving water temperature is higher than institute
When stating inflow temperature, then inevitably, combustion system 20 is to be in heated condition.When the leaving water temperature is less than target temperature
When, show that the firepower of combustion system 20 is smaller, therefore the firepower that controller 40 controls combustion system 20 increases.When the leaving water temperature
When higher than target temperature, show that the firepower of combustion system 20 is larger, therefore the firepower that controller 40 controls combustion system 20 reduces, with
So that leaving water temperature is equal to target temperature, meet user demand.
Referring to Figure 3, in the present embodiment, the heat-exchange system 10 is equipped with proportioning valve 60, and the proportioning valve 60 has
Have a water cavity 61, two input ports 62 of the connection water cavity 61 and a delivery outlet 63, the spool 64 in the water cavity 61 with
And the actuator being electrically connected with the spool 64, the cooling water inlet 12 and the hot water inlet 11 respectively with an input port 62
Connection, the controller 40 are electrically connected with the actuator, and are controlled the actuator and driven the spool 64 in the water cavity
Movement in 61, so that at least one of the delivery outlet 63 and two described input ports 62 are connected to or disconnect.Specifically, actuator
For stepper motor or cylinder etc..When actuator driving spool 64 moves so that there are four states for the tool of proportioning valve 60：To hot water
The input port 62 of import 11 is connected to delivery outlet 63, and another input port 62 is then disconnected with delivery outlet 63, and heat-exchange system 10 is only at this time
Into hot water, this is first state.Two input ports 62 are connected to delivery outlet 63, at this time the both hot water or into cold water of heat-exchange system 10,
Cold water mixes in water cavity 61 with hot water and flows out delivery outlet 63 jointly, this is the second state.For the second state, each input
Mouth 62 can be fully open, i.e. the opening of input port 62 opens to the maximum, so that hot water or cold water flowing full amount flows out；Certainly, each defeated
Entrance 62 also can be partially opened only, i.e. 64 partial occlusion input port 62 of spool, to reduce the flow of inlet water of cold water or hot water, to
Adjust the water inlet ratio of cold water and hot water.Two input ports 62 are disconnected with delivery outlet 63,10 anhydrous circulation of heat-exchange system at this time, i.e.,
User is not made with hydrodynamic(al), and controller 40 is not detected with water signal, this is the third state.The input port of corresponding cooling water inlet 12
62 are connected to delivery outlet 63, and another input port 62 is then disconnected with delivery outlet 63, and heat-exchange system 10 is only into cold water at this time, not into heat
Water, this is the 4th state.For the 4th state, since the purpose of gas heater itself is exactly to provide to the user from solar energy
The hot water of water heater, therefore under normal circumstances, spool 64 will not go to the position of the 4th state.It is described in other embodiments
A proportioning valve 60 is respectively provided at hot water inlet 11 and the cooling water inlet 12, the controller 40 is electrically connected with proportioning valve 60.It needs
It is noted that the case where proportioning valve 60 are respectively arranged at hot water inlet 11 and the cooling water inlet 12, which is
Tool same has the function of adjusting flow of inlet water there are one input port 62 and delivery outlet 63.
In the present embodiment, the spool 64 is bonded setting with the peritreme of two input ports 62, and the spool 64 is equipped with
The width of the water passage 641 being connected to the delivery outlet 63, the water passage 641 is more than between two input ports 62
Wall thickness, the controller 40 controls the actuator and the spool 64 is driven to move, so that the water passage 641 and at least one
The input port 62 is connected to.In this present embodiment, no matter how spool 64 rotates, water passage 641 is and delivery outlet 63 always
Connection.Since spool 64 is to be bonded setting with the peritreme of two input ports 62, as long as the water passage 641 and two on spool 64
Input port 62 is staggered, then can ensure that two input ports 62 are not connected to delivery outlet 63.Spool 64 during the motion, on spool 64
Water passage 641 move to and be connected to any one input port 62, then can ensure the input port 62 by water passage 641 with
Delivery outlet 63 is connected to so that hot water inlet 11 corresponding with the input port 62 or cooling water inlet 12 are intake.Due to water passage 641
Width be more than the wall thickness between two input ports 62, then mean that when spool 64 moves to water passage 641 be opposite two
When wall surface between the input port 62, two input ports 62 can be connected to water passage 641, at this time hot water inlet 11 and institute
Stating cooling water inlet 12 can intake.Meanwhile by the way that spool 64 is moved towards the direction where hot water inlet 11, or towards cold water
The direction at place moves, and can adjust water passage 641 and hot water inlet 11 and the corresponding surface between the cooling water inlet 12
Product, so as to adjust the ratio of hot water inlet 11 and the flow of inlet water of the cooling water inlet 12.Certainly, in other embodiments, water
Two spools 64 can be set in chamber 61, and each spool 64 corresponds to an input port 62 setting, equally achievable hot water inlet 11 and described
The adjusting of the ratio of the flow of inlet water of cooling water inlet 12.
In the present embodiment, the controller 40 controls the actuator and the spool 64 is driven to turn in the water cavity 61
It is dynamic.Specifically, in the present embodiment, the section of the water cavity 61 is rounded, and the spool 64 is in be adapted to the water cavity 61
Semi-cylindrical, the water passage 641 are set on the axial plane of the spool 64, and are arranged through the circumferential surface of the spool 64, institute
It states controller 40 and controls the rotation in the water cavity 61 of the actuator driving spool 64.Delivery outlet 63 and two input ports 62
It is preferred that being divided into the both sides radially of water cavity 61, and it is arranged between input port 62 described in 63 face two of the delivery outlet.
The axial plane of spool 64 is directed towards delivery outlet 63, is spaced apart between the axial plane and delivery outlet 63 of spool 64, therefore in 64 turns of spool
During dynamic, it can ensure that water passage 641 is connected to delivery outlet 63 always.Certainly, the shape of spool 64 is not limited to semicircle
Cylindricality, such as may be greater than semicolumn or be less than semi-cylindrical either bulk；The section of water cavity 61 is also not limited to circle,
Semicircle plus rectangular combination is may be, for example, or is square.
In other embodiments, the controller 40 controls the actuator and drives the spool 64 in the water cavity 61
Translation.In the embodiment, the section of water cavity 61 can be square, and spool 64 is arranged at square, two input ports 62 in the same side
On wall, water passage 641 is located at the wall surface towards 62 place of input port of spool 64, by driving spool 64 to be moved along the side wall
It is dynamic, enable to water passage 641 to be connected to or disconnect with two input ports 62.Certainly, the section of water cavity 61 is not limited to rectangular, example
It such as can be trapezoidal, semicircle, triangle；The shape of spool 64 is also not limited to square, for example, can also be it is trapezoidal it is blocky,
Semicolumn etc..
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of gas heater, which is characterized in that including：
Heat-exchange system has hot water inlet, cooling water inlet and mixed water out；
Combustion system, for heating the heat-exchange system；
First temperature sensor is set to the hot water inlet；And
Controller is electrically connected with the combustion system and first temperature sensor respectively, and the controller is used for according to institute
State the inflow temperature of hot water inlet and preset target temperature, control the combustion system burning or control the cooling water inlet into
Water.
2. gas heater as described in claim 1, which is characterized in that the gas heater further includes setting described mixed
Second temperature sensor at water out；
The controller is additionally operable to according to leaving water temperature, the inflow temperature and the target temperature at the mixed water out
Degree, changes the flow of inlet water of the flow of inlet water and the hot water inlet of the cooling water inlet；Alternatively, the controller is additionally operable to root
According to leaving water temperature, the inflow temperature and the target temperature at the mixed water out, the fire of the combustion system is adjusted
Power size.
3. gas heater as claimed in claim 1 or 2, which is characterized in that the heat-exchange system is equipped with proportioning valve, described
Proportioning valve have a water cavity, two input ports of the connection water cavity and a delivery outlet, the spool in the water cavity and with
The actuator of the spool electrical connection, the cooling water inlet and the hot water inlet are respectively connected to an input port, the control
Device processed is electrically connected with the actuator, and controls the actuator and the spool is driven to be moved in the water cavity, so that two institutes
Input port is stated to be connected to or disconnect with the delivery outlet.
4. gas heater as claimed in claim 3, which is characterized in that the spool is bonded with the peritreme of two input ports
Setting, the spool are equipped with the water passage being connected to the delivery outlet, and the width of the water passage is described defeated more than two
Wall thickness between entrance, the controller control the actuator and drive the valve core movement so that the water passage with extremely
A few input port connection.
5. gas heater as claimed in claim 4, which is characterized in that the controller controls described in the actuator driving
Spool rotates in the water cavity.
6. gas heater as claimed in claim 5, which is characterized in that the section of the water cavity is rounded, and the spool is in
The semi-cylindrical being adapted to the water cavity, the water passage are set on the axial plane of the spool, and through the week of the spool
Face is arranged, and the controller controls the actuator and the spool is driven to be rotated in the water cavity.
7. gas heater as claimed in claim 6, which is characterized in that the delivery outlet and two input ports are divided into institute
The both sides radially of water cavity are stated, and are arranged between input port described in the delivery outlet face two.
8. gas heater as claimed in claim 4, which is characterized in that the controller controls described in the actuator driving
Spool translates in the water cavity.
9. gas heater as claimed in claim 1 or 2, which is characterized in that at the cooling water inlet and the hot water inlet
It is respectively provided with a proportioning valve, the controller is electrically connected with the proportioning valve.
10. a kind of heating system, which is characterized in that the heating system includes solar water heater, and as claim 1 to
Gas heater described in 9 any one, the solar water appliance have hot water outlet, the hot water outlet and the combustion gas
The hot water inlet of water heater is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171893.XU CN207881192U (en) | 2018-01-31 | 2018-01-31 | Gas heater and heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171893.XU CN207881192U (en) | 2018-01-31 | 2018-01-31 | Gas heater and heating system |
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| CN207881192U true CN207881192U (en) | 2018-09-18 |
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ID=63509491
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| CN (1) | CN207881192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081957A (en) * | 2020-09-23 | 2020-12-15 | 宁波华成阀门有限公司 | Accurate temperature control water distribution valve and related components thereof |
-
2018
- 2018-01-31 CN CN201820171893.XU patent/CN207881192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081957A (en) * | 2020-09-23 | 2020-12-15 | 宁波华成阀门有限公司 | Accurate temperature control water distribution valve and related components thereof |
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Effective date of registration: 20221101 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |