CN2648215Y - Temperature control valve for heating system - Google Patents

Abstract

The utility model relates to a temperature control heating valve used for controling the heating pipeline switch. The circuit structure is that, an input end (1) of the AC power supply, a three electrode crystal brake flowing pipe V1 and V2 with intersecting and parallel cathode and anode, an electromagnetic valve YV control coil and an input end (2) of the AC power supply are sequentially connected, the temperature switch sensor Theta 1, Theta 2 and Theta 3 with different working point are connected in the middle between the control electrode of the V1 and V2 through a single electrode multi-level switch SA, the valve of the electromagnetic valve is arranged in the heating pipeline of the heating. The heating valve is connected with different temperature sensor and can be automatically open and close in the hoped temperature, so the energy waste is reduced.

Description

Temperature control heating valve

The utility model relates to a kind of controlling component of heating system, particularly a kind of " temperature control heating valve " that is used to control the heating supply pipe switch.

" heating installation " is the visual plant of cold area heating room, and the most of mode that adopts central heat supply of existing heater unit promptly drives hot water with boiler and removes to heat several heating radiators of user in the zone.Because flow of hot water is through each user's sequencing difference, the temperature of each user's heating radiator also has nothing in common with each other.The temperature of the heating radiator of hot water elder generation process is higher, and then the temperature of the heating radiator of process is lower, and this just makes that each user's room temperature is uneven in temperature.When the user of front feels that temperature is fit to, and the user of back feels that temperature is too low; When the user of back feels that temperature is fit to, and the user of front feels that temperature is too high.The valve that is applied to heater unit now all is the mechanical type valve that rotation is controlled by staff, and the deficiency of this valve is can not be with people's wish automatic opening-closing.Use existing valve, people often regulate room temperature with the way that opens and closes window.For the room temperature that guarantees all users of central heat supply zone is not less than a certain required standard (for example 15 ℃), just make the room temperature of some of them user family too high unavoidably.Dislike the user of the heat cooling of having to window, this has just caused energy waste.In addition, considerable office, classroom and family are no matter there is nobody to exist, and heating installation is warm equally, also can waste energy.

The purpose of this utility model is to provide a kind of temperature control heating valve, and this temperature control heating valve advantage compared with prior art is to control the switch of heating supply pipeline automatically.Use temperature control heating valve and can reduce energy waste, can be according to people's wish setting and control room temperature.

The utility model is realized with following method.Form control circuit by thermal switch sensor, one pole multi-position switch, three polar crystal thyratrons (also being called controllable silicon) and the coil of solenoid valve, controlling object is the valve that is connected in the ducted solenoid valve of heating supply.During use, people can be provided with room temperature by the one pole multi-position switch as the case may be, temperature transducer monitors room temperature at any time, when room temperature is lower than the temperature of setting, the contact of thermal switch sensor is in open configuration, do not control electric current in the control circuit, the valve of solenoid valve is in opening state, and hot water flows into heating radiator by heat supply pipeline.When room temperature surpassed set temperature, the contact of thermal switch sensor was in closed state, and control circuit produces the valve closing of Current Control solenoid valve, did not have hot water to flow in the heating radiator, and heating stops.

Do explanation below in conjunction with accompanying drawing.

Accompanying drawing is circuit theory diagrams of the present utility model.

With reference to accompanying drawing, this temperature control heating valve, contain two three polar crystal thyratron V1 and V2, an one pole multi-position switch SA, (θ 1 for three thermal switch sensors, θ 2, θ 3), a solenoid valve YV, two ac power input end (1) and (2), it is characterized in that: the input end of ac power supply (1), negative electrode and anode three in parallel polar crystal thyratron V1 and the V2 that cross one another, the control coil of solenoid valve YV, the input end of ac power supply (2) is linked in sequence, the electrode of SA (3) is connected with the control utmost point of V1, θ 1, θ 2, the end of θ 3 is parallel to (8) point and is connected with the control utmost point of V2, the gear of SA (4), (5), (6) with θ 1, θ 2, the other end of θ 3 connects respectively, by operation SA, can be respectively some thermal switch sensors wherein be connected in V1, between the control utmost point of V2.YV is a normal-open electromagnetic valve, and θ 1, θ 2, θ 3 are open type thermal switch sensors of different operating point, and (7) are the gear of closing of SA.The closure of θ 1, θ 2, θ 3 contacts is subjected to different temperatures control with disconnection.With the mode of θ 1, θ 2, θ 3 circuit UNICOMs the control point of room temperature is set respectively with SA, when room temperature was lower than set temperature spots, the contact of θ 1 (or θ 2, θ 3) was in open configuration, and V1, V2 end, the control coil of YV is not worked, and electromagnetic valve is opened; When room temperature was higher than set temperature spots, the contact of θ 1 (or θ 2, θ 3) was in closed state, V1, V2 conducting, and the control coil work of YV, electromagnetic valve is closed.

The working principle of the utility model foundation is: when the control utmost point of V1, V2 links together, V1, V2 will be in alternating circuit triggering and conducting mutually, the coil of solenoid valve just has electric current and passes through valve closing; When the control utmost point of V1, V2 did not link together, V1, V2 will be in cut-off state in alternating circuit, and the coil of solenoid valve does not just have electric current to pass through valve opening.Temperature is provided with switch S A and thermal switch sensor (θ 1, θ 2, θ 3) is connected between the control utmost point of V1, V2, utilize contact the opening under the different temperatures situation of θ 1, θ 2, θ 3 to go to control ending and conducting of V1, V2 exactly, reach the purpose of the open and close of control electromagnetic valve door with this with closed state.Working procedure is: at first by SA room temperature is set, if desired temperature is a little low, then SA is placed (4) position to be connected with θ 1.When room temperature was lower than the operation point of θ 1, the contact of θ 1 was in off state, and V1, V2 end, and did not control electric current in the coil of solenoid valve YV, and the valve of solenoid valve is positioned at the enable possition, and hot water can flow in the heating radiator.When room temperature was higher than the operation point of θ 1, the contact of θ 1 was in closed state, and V1, V2 conducting have the control electric current in the coil of solenoid valve YV, the valve closing of solenoid valve, and hot water can not flow in the heating radiator, and heating stops.If desired temperature is higher slightly, then SA is placed (5) position to be connected with θ 2; If desired temperature is higher, then SA is placed (6) position to be connected with θ 3, control procedure is same as described above.When SA places the position of (7), disconnect between the control utmost point of V1, V2, electromagnetic valve coil does not have electric current to pass through, and valve is in opening state.

Concrete enforcement is as follows: SA can select the rotary switch (also available radio receiver selector replaces) of four of one poles for use, θ 1 can select JUC-1M-D15 type seal temperature relay (15 ℃ of operating temperatures) for use, θ 2 can select JUC-1M-D20 type seal temperature relay (20 ℃ of operating temperatures) for use, and θ 3 can select JUC-1M-D25 type seal temperature relay (25 ℃ of operating temperatures) for use.Solenoid valve YV can select suitable model for use according to the thickness of heating tube, and its valve is selected open type for use, and the electromagnetic valve model that the invention model machine adopts is ZCKF-25.V1, V2 select suitable model for use according to the operating voltage and the electric current of electromagnetic valve coil, generally select the thyratron of 400V3A model for use.SA, θ 1, θ 2, θ 3, V1, V2 are welded on the circuit board and are contained in the ventilative Direct box, and the control handle of SA is contained in Direct box and covers, and Direct box is installed in the appropriate location on the wall.The live wire of ac power supply (220V) is connected with (2) end with (1) of circuit by knife switch, safety fuse cutout, lead with zero line.Direct box covers the diverse location of corresponding SA knob and is marking " high, medium and low, pass " printed words, and operation SA knob can be provided with the control temperature of solenoid valve in view of the above.The invention model machine once was used for the control of two groups of heating radiators in family kitchen and the toilet, at ordinary times SA was placed " low " position, and kitchen and toilet temperature remain on about 15 ℃ during heat supply; When having a bath SA is placed " pass " position, control circuit does not have control action, and electromagnetic valve is in opening state, and the toilet temperature can reach 30 ℃ to 35 ℃.If the present invention is developed to series product, components and parts type selecting and model machine in the control circuit are roughly the same, and just the type selecting of solenoid valve is different with the mounting point.One " temperature control heating valve " can control a heating radiator, also can control several heating radiators, even can control the heating radiator in a first floor and even a building, and its control principle is identical.

Claims (2)

1. temperature control heating valve, contain the switch sensor (θ 1, θ 2, θ 3) of two three polar crystal thyratron V1 and V2, an one pole multi-position switch SA, three temperature different operating points, a solenoid valve YV, it is characterized in that: cross one another in parallel V1 and the control coil of V2, solenoid valve YV, the input end (2) of ac power supply of the input end of ac power supply (1), negative electrode and anode is linked in sequence, and θ 1, θ 2, θ 3 can be connected between the control utmost point of V1 and V2 by SA respectively.

2. according to the described temperature control heating valve of claim (1), it is characterized in that: θ 1, θ 2, θ 3 are open type thermal switch sensors, and YV is a normal-open electromagnetic valve.