CN2901173Y

CN2901173Y - Water level controller for solar water heater supply water

Info

Publication number: CN2901173Y
Application number: CNU2006200850721U
Authority: CN
Inventors: 瞿洪贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-30
Filing date: 2006-05-30
Publication date: 2007-05-16
Anticipated expiration: 2016-05-30

Abstract

The utility model relates to a water feeding level controller for the solar water heater, comprising a water box with a water inlet tap and a water outlet tap. The water inlet tap is vertically communicated with a top plate of the water box and the lower end of the water inlet tap extends into the water box. The water outlet tap is communicated with the bottom plate of the water box. A cup body with an open upper-end is sheathed in the water box. The bottom plate of the cup body is vertically connected with a push rod which can move up and down, while the lower end of the push rod passes though the bottom plate of the water box. The size of the inner cavity of the cup body is enough to wrap the lower end of the water inlet tap. The height sum of the cup body and the push rod is higher than the inner cavity of the water box, thereby making the lower end of the push rod still under the bottom plate of the water box when the upper end of the cup body contacts with the top plate of the water box. The water box is further provided with a connecting component for positioning the controller. The quickly-opening water valve is vertically connected with the water feeding waterway, the controller is arranged on the water valve via the connecting component, the lower end of the push rod is positioned on the outer end of the water valve handle, and the water inlet tap is communicated with an overflow pipe of the solar water heater. The utility model is safe to use while it can cut off water automatically when the water is full.

Description

Water water level controller on the solar water heater

Technical field

The utility model relates to water water level controller on the solar water heater that can guarantee automatic shutoff when a kind of safe in utilization and last water water is expired.

Background technology

At present, but when water water is full on the solar water heater mode of automatic shutoff have two kinds:

A kind of mode is to control water by magnetic valve, control circuit and two metal water-level probes, magnetic valve is connected between the upper hose of water supply pipe and solar water heater, two water-level probes are placed on the overfall place on the water storage tank top of solar water heater, two probes are placed on sustained height, but do not contact mutually, control circuit is connected between magnetic valve and the water-level probe.When needs to water storage tank on during water, control circuit make magnetic valve get electric, open last water water route conducting and be water on the water storage tank by magnetic valve, upper hose; When last water water is full (when water level reaches the overfall place on water storage tank top), two water-level probes are by the water short circuit, and control circuit makes the magnetic valve dead electricity again, and last water water route disconnects, and finish water conservancy project and do; During water, repeat said process again on next time.When meeting with thunderstorm weather, thunder and lightning easily enters indoor by water-level probe and control circuit, cause great harm for user's safety of life and property, and the cost of this control mode is higher.

Another kind of mode is by the fast-open type water valve, is added on the water storage tank upside of solar water heater and the water box of interior dress ball-cock assembly (claiming secondary water tank again) is controlled water, and the fast-open type water valve is connected between the upper hose of water supply pipe and solar water heater.When needs to water storage tank on during water, manually open water valve, last water water route conducting and be water on the water storage tank by water valve, upper hose, ball-cock assembly; When last water water is full (when water level reaches the overfall place on water storage tank top), ball-cock assembly is closed, and last water water route disconnects, and finishes water conservancy project and does (usually, water valve is in normally open).Because the ball-cock assembly long period of soaking is in water, service life is shorter, break down easily, going up water water like this can't automatic shutoff when full, fail in time to close water valve again as the user, the still conducting of last water water route, water will be overflowed from the overfall on water storage tank top and be run off through the overflow pipe of solar water heater, so that cause the waste of water resource.

The utility model content

The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of safe in utilization and go up water water and can guarantee water water level controller on the solar water heater of automatic shutoff when full.

For achieving the above object, the utility model provides water water level controller on a kind of solar water heater, it comprises the water box that has water inlet tap and faucet, water inlet tap vertically is communicated with the top board of water box and its lower end puts in the water box, faucet is communicated with the base plate of water box, the uncovered cup in suit upper end in the water box, be connected to the lower end on the base plate of cup vertically and pass water box plate and push rod moving up and down, the inner cavity size of cup is enough to make its lower end with water inlet tap to encase, the height sum of cup and push rod is greater than the inner chamber height of water box, the lower end of push rod still is in the floor below of water box when making the upper end of cup contact with the top board of water box, also has a connector that makes this controller obtain locating on the water box.

During use, with the fast-open type water valve by import last, outlet under mode be connected on vertically between the upper hose of water supply pipe and solar water heater so that water valve cuts out when making when upwards promoting the handle of water valve water valve open, promote the handle of water valve downwards; By connector this controller is installed on this water valve, the lower end of push rod is dropped on the handle outer end of water valve, and water inlet tap is communicated with the overflow pipe of solar water heater.

The operation principle of this controller is as follows:

When needs are given on the water storage tank of solar water heater water, artificial handle, the unlatching water valve that upwards promotes water valve, last water water route conducting and be water on the water storage tank by water valve, upper hose, meanwhile, handle drives cup by the push rod that moves up and rises, and make cup that the lower end of water inlet tap is encased, like this, the lower end of water inlet tap is entered in the cup;

When last water water is full (when water level reaches the overfall place on water storage tank top), water will overflow from the overfall on water storage tank top and flow in the cup through overflow pipe, water inlet tap, directly cup is impacted because of current are concentrated, impulsive force is bigger, allow cup descend soon and drive push rod and move down, like this, push rod just can promote the handle of water valve downwards, make water valve close, the water route automatic disconnection of last water, finish water conservancy project and do, in addition, diffuse out from the cup upper end in this process and the low amounts of water that flows to the water box is carried out overflow through faucet;

During water, repeat said process again on next time.

As seen, the water water level controller has the advantage that can guarantee automatic shutoff when safe in utilization and last water water is expired on this solar water heater.

Described connector is for flatly being connected on the water box plate and the outer end has the stripe board of unthreaded hole.

Have a diameter on the base plate of described cup and be 1～3 millimeter leaking hole.

Description of drawings

Accompanying drawing is the structure of the utility model preferred forms and installs and uses schematic diagram.

The specific embodiment

The utility model is described in further detail below in conjunction with preferred forms and accompanying drawing thereof:

Referring to accompanying drawing, the water water level controller comprises the cylindric water box that has water inlet tap 1a and faucet 3a on this solar water heater, the cross sectional shape of water inlet tap 1a and faucet 3a is circular, the water box is shaped on externally threaded housing 1 and the inner capping 3 that is shaped on screw thread by the lower end and spins up and down and form, water inlet tap 1a vertically is communicated with top board (being the top board of the water box) center of housing 1 and its lower end puts in the water box, faucet 3a tilts to be communicated with base plate (being the base plate of the water box) right part of capping 3, angle between the base plate of the axis of faucet 3a and capping 3 is about 40 degree, the uncovered cylindric cup 2 in suit upper end in the water box, be connected to the lower end on the base plate of cup 2 vertically and pass capping 3 base plate centers and circular push rod 2b moving up and down, and cup 2, push rod 2b and water inlet tap 1a coaxial line, have a diameter on the base plate of cup 2 and be 2 millimeters leaking hole 2a, the inner cavity size of cup 2 is enough to make its lower end with water inlet tap 1a to encase, the height sum of cup 2 and push rod 2b is greater than the inner chamber height of water box, the lower end of push rod 2b still is in the floor below of capping 3 when making the upper end of cup 2 contact with the top board of housing 1, also has a connector that makes this controller obtain locating on the water box, the stripe board 4 that connector has unthreaded hole 4a for the left side on the base plate that flatly is connected on capping 3 and outer end.

The material of housing 1, water inlet tap 1a, cup 2, push rod 2b, capping 3, faucet 3a, stripe board 4 can adopt metal material or ABS engineering plastics.

During use, with fast-open type water valve 6 (water valve 6 for commercially available product) by import last, outlet under mode be connected on vertically between the upper hose 7 of water supply pipe 10 and solar water heater so that make water valve 6 unlatchings when upwards promoting the handle 6a of water valve 6, when promoting the handle 6a of water valve 6 downwards water valve 6 cut out; Make stripe board 4 be enclosed within the import of water valve 6 by unthreaded hole 4a, undertaken by nut 5 again and tightly, so just this controller is installed on the water valve 6, the lower end of push rod 2b is dropped on the handle 6a outer end of water valve 6, and water inlet tap 1a is communicated with the overflow pipe 9 of solar water heater.

When needs are given on the water storage tank 8 of solar water heater water, artificial handle 6a, the unlatching water valve 6 that upwards promotes water valve 6, the water route conducting of last water, water in the water supply pipe 10 enters in the water storage tank 8 (being water on the water storage tank 8) by water valve 6, upper hose 7, meanwhile, handle 6a drives cup 2 by the push rod 2b that moves up and rises, and makes cup 2 that the lower end of water inlet tap 1a is encased, like this, the lower end of water inlet tap 1a is entered in the cup 2;

When last water water is full (when water level reaches the overfall 8a place on water storage tank 8 tops), water will overflow from the overfall 8a on water storage tank 8 tops and through overflow pipe 9, water inlet tap 1a flows in the cup 2, directly cup 2 is impacted because of current are concentrated, impulsive force is bigger, allow cup 2 descend soon and drive push rod 2b and move down, like this, push rod 2b just can promote the handle 6a of water valve 6 downwards, make water valve 6 close, the water route automatic disconnection of last water, finish water conservancy project and do, in addition, diffuse out from cup 2 upper ends in this process and the low amounts of water that flows to the water box is carried out overflow through faucet 3a;

After last water conservancy project was finished, the Yu Shuike in the cup 2 flowed away successively through leaking hole 2a, faucet 3a;

During water, repeat said process again on next time.

Above-described only is preferred forms of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make conspicuous some conversion or alternative and remodeling, these also should be considered as belonging to protection domain of the present utility model.Such as: the cross sectional shape of water box, cup also can be ellipse, square or other suitable shapes, angle between the diameter of leaking hole, the axis of faucet and water box plate all can determine as required flexibly, in addition, water box, connector also can adopt other version.

Claims

1, water water level controller on the solar water heater, it comprises the water box that has water inlet tap and faucet, faucet is communicated with the base plate of water box, it is characterized in that: water inlet tap vertically is communicated with the top board of water box and its lower end puts in the water box, the uncovered cup in suit upper end in the water box, be connected to the lower end on the base plate of cup vertically and pass water box plate and push rod moving up and down, the inner cavity size of cup is enough to make its lower end with water inlet tap to encase, the height sum of cup and push rod is greater than the inner chamber height of water box, the lower end of push rod still is in the floor below of water box when making the upper end of cup contact with the top board of water box, also has a connector that makes this controller obtain locating on the water box.

2, water water level controller on the solar water heater according to claim 1 is characterized in that: connector is for flatly being connected on the water box plate and the outer end has the stripe board of unthreaded hole.

3, water water level controller on the solar water heater according to claim 1 and 2 is characterized in that: the leaking hole that has a diameter on the base plate of cup and be 1～3 millimeter.