Solar energy light, heat and electricity heat automatic switch-over control valveTechnical Field
The invention relates to the technical field of heating equipment, in particular to a solar photo-thermal-electric automatic switching control valve.
Background
At present, heating modes of most areas in China are heating medium water gas, air-conditioning heating and electric heating, the heating modes are direct or indirect coal burning consumption, heat energy and electric energy generated by burning coal are converted into heat energy, a large amount of non-renewable resources can be consumed by the traditional heating mode, meanwhile, the environment is seriously polluted, solar energy is inexhaustible clean energy, solar energy, thermoelectric and thermal combination heating is adopted, energy can be saved as far as possible while heating is guaranteed, and the solar energy and thermal and electric heating combined heating device is a trend of future heating.
However, in the existing solar photo-thermal heating equipment, solar photo-thermal heating and electric heating cannot be automatically switched, a heating mode needs to be manually switched, when solar photo-thermal meets a heating requirement, solar photo-thermal heating cannot be automatically switched, electric heating is still adopted, solar photo-thermal heating cannot be fully utilized, unnecessary waste of electric power is caused, and the utilization rate of solar energy is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the solar photo-thermal-electric automatic switching control valve which has the advantages of automatic switching of heating modes and high solar energy utilization rate and solves the problems that the heating modes cannot be automatically switched and the solar energy utilization rate is high.
(II) technical scheme
In order to realize the purpose of high solar energy utilization rate of the automatic switching heating mode, the invention provides the following technical scheme: a solar thermal-electric automatic switching control valve comprises a valve body, wherein a solar heat supply water inlet and an electric heat water inlet are respectively formed in the top of the valve body, a water outlet is formed in the bottom of the valve body, a solar heat supply valve and an electric heat valve are mounted inside the valve body, a temperature sensing box is fixedly connected inside the valve body and positioned on the left side of the solar heat supply valve, a temperature sensing body is mounted inside the temperature sensing box, a distribution box is fixedly connected to the inner right wall of the valve body, a second fixing block is fixedly connected to the left inner wall of the distribution box, a fixing sleeve is fixedly connected to the right side of the second fixing block, a telescopic rod is slidably connected to the right side of the fixing sleeve, an electrode is fixedly connected to the right side of the telescopic rod, a pressure rod is arranged on the right side of the temperature sensing body, a central rod is fixedly connected to the right side of the pressure rod, and a first fixing block is fixedly connected to the right end of the central rod, the right side fixedly connected with of first fixed block presses the depression bar, solar energy heat supply valve and electric heat valve are installed in well core rod's front.
Preferably, the solar heat supply water inlet and the electric heating water inlet are distributed in bilateral symmetry.
Preferably, the centers of the solar heat supply valve and the electric heating valve are provided with inclined round holes, and the solar heat supply valve and the electric heating valve are respectively matched with the solar heat supply valve and the electric heating valve.
Preferably, the first return spring is installed on the outer side of the central rod and inside the temperature sensing box, and the second return spring is sleeved on the outer side of the telescopic rod.
Preferably, the first fixing block and the second fixing block are made of insulating materials.
Preferably, the two upper and lower electrodes are a positive electrode and a negative electrode, respectively.
Preferably, the solar heat supply valve and the electric heat valve are made of the same material and have the same structure.
Advantageous effects
Compared with the prior art, the invention provides a solar photo-thermal-electric automatic switching control valve, which has the following beneficial effects:
1. this solar light thermal electric heat automatic switch-over control valve uses through the cooperation of temperature-sensing body, first reset spring and pressure pole to reached the pressure pole and along with the change of temperature and the horizontal slip effect, used through the cooperation of second reset spring and telescopic link, made according to the pressure lever and fully contact with the electrode, thereby reached and kept the stable effect of electric heat heating electric power.
2. This solar photothermal thermal automatic switch-over control valve uses through well core rod and solar heating valve, electric heat valve and the cooperation of pressing the depression bar to reach the effect of control switch heating mode's while control electric heating system's operating condition, made the solar photothermal heating obtain abundant utilization, improved the utilization ratio of solar energy, furthest's reduction electric power's consumption when guaranteeing the heating.
Drawings
FIG. 1 is a schematic view of a solar heating control valve according to the present invention;
FIG. 2 is a schematic diagram of an electric heating control valve according to the present invention;
FIG. 3 is a schematic view of the temperature sensing box according to the present invention;
fig. 4 is a schematic structural view of the distribution box of the present invention.
In the figure: 1 valve body, 2 solar energy heat supply valves, 3 electric heat valves, 4 solar energy heat supply water inlets, 5 electric heat water inlets, 6 delivery ports, 7 temperature-sensing case, 8 block terminals, 9 central poles, 10 pressure poles, 11 solar energy heat supply valves, 12 electric heat valves, 13 first reset springs, 14 pressing rods, 15 first fixed blocks, 16 electrodes, 17 second reset springs, 18 fixed sleeves, 19 telescopic links, 20 second fixed blocks, 21 temperature-sensing bodies.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a solar photo-thermal-electric automatic switching control valve comprises avalve body 1, wherein the top of thevalve body 1 is respectively provided with a solar heat supply water inlet 4 and an electricheat water inlet 5, the solar heat supply water inlet 4 and the electricheat water inlet 5 are symmetrically distributed in the left and right direction, the bottom of thevalve body 1 is provided with awater outlet 6, a solarthermal valve 2 and an electricthermal valve 3 are arranged inside thevalve body 1, the centers of the solarheat supply valve 2 and the electricthermal valve 3 are provided with inclined round holes, the solarheat supply valve 2 and the electricthermal valve 3 are respectively matched with a solarheat supply valve 11 and an electricthermal valve 12, atemperature sensing box 7 is fixedly connected inside thevalve body 1 and positioned at the left side of the solarheat supply valve 2, atemperature sensing body 21 is arranged inside thetemperature sensing box 7, and thetemperature sensing body 21 and afirst return spring 13 are matched with apressure rod 10 for use, thepressure rod 10 is enabled to slide left and right along with the change of temperature, the inner right wall of thevalve body 1 is fixedly connected with adistribution box 8, the left inner wall of thedistribution box 8 is fixedly connected with a second fixedblock 20, the right side of the second fixedblock 20 is fixedly connected with afixed sleeve 18, the right side of thefixed sleeve 18 is slidably connected with atelescopic rod 19, the right side of thetelescopic rod 19 is fixedly connected with anelectrode 16, theupper electrode 16 and thelower electrode 16 are respectively an anode and a cathode, the right side of atemperature sensing body 21 is provided with thepressure rod 10, the right side of thepressure rod 10 is fixedly connected with acentral rod 9, afirst reset spring 13 is arranged outside thecentral rod 9 and inside thetemperature sensing box 7, the outer side of thetelescopic rod 19 is sleeved with asecond reset spring 17, the right end of thecentral rod 9 is fixedly connected with a firstfixed block 15, the firstfixed block 15 and the second fixedblock 20 are made of insulating materials, and the right side of the firstfixed block 15 is fixedly connected with apress rod 14, the front surface of thecentral rod 9 is provided with the solarheat supply valve 11 and theelectric heating valve 12, the materials and the structures of the solarheat supply valve 11 and theelectric heating valve 12 are the same, and thecentral rod 9 is matched with the solarheat supply valve 11, theelectric heating valve 12 and thepressing rod 14 for use, so that the effect of controlling the working state of the electric heating system while switching the heat supply mode is achieved, the solar photo-thermal heating is fully utilized, and the utilization rate of solar energy is improved.
The working principle is as follows: when the solar photo-thermal heating temperature is insufficient, thetemperature sensor 21 in thetemperature sensing box 7 shrinks along with the temperature reduction, the size is reduced, thepressure rod 10 slides leftwards under the action of thefirst return spring 13, thepressure rod 10 drives thecentral rod 9 to slide leftwards, thecentral rod 9 respectively drives the solarheat supply valve 11 and theelectric heating valve 12 to move leftwards, the solarheat supply valve 11 moves leftwards to close the solarheat supply valve 2, theelectric heating valve 12 moves leftwards to open theelectric heating valve 3, meanwhile, thecentral rod 9 drives the pressing rod to move leftwards to press theelectrode 16, theupper electrode 16 and thelower electrode 16 form a passage, the solar photo-thermal heating is closed, and the electric heating system starts to work.
When the solar photo-thermal heating temperature meets the requirement, the temperature rises to enable thetemperature sensor 21 to expand by heating, thepressure rod 10 is driven to slide rightwards, thepressure rod 10 drives thecentral rod 9 to move rightwards, thecentral rod 9 respectively drives the solarheat supply valve 11 and theelectric heating valve 12 to move rightwards, the solarheat supply valve 11 moves rightwards to open the solarheat supply valve 2, theelectric heating valve 12 on thecentral rod 9 moves rightwards to close theelectric heating valve 3, meanwhile, thecentral rod 9 drives the pressing rod to move rightwards to disconnect theupper electrode 16, thelower electrode 16 and theupper electrode 16, the electric heating system is closed, and the solar photo-thermal heating starts to work.
In summary, the solar photo-thermal-electrical-thermal automatic switching control valve achieves the effect that thepressure rod 10 slides left and right along with the change of temperature by the cooperation of thetemperature sensor 21, thefirst return spring 13 and thepressure rod 10, and achieves the effect of keeping the electric heating power stable by the full contact between thepressing rod 14 and theelectrode 16 by the cooperation of thesecond return spring 17 and thetelescopic rod 19,
in addition, the solar photo-thermal automatic switching control valve is used in cooperation with the solarheat supply valve 11, theelectric heating valve 12 and thepressing rod 14 through thecentral rod 9, so that the effect of controlling the working state of an electric heating system while controlling the switching of the heat supply mode is achieved, solar photo-thermal heating is fully utilized, the utilization rate of solar energy is improved, and the consumption of electric power is reduced to the maximum extent while the heating is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.