CN210317706U

CN210317706U - Controller of water supply system

Info

Publication number: CN210317706U
Application number: CN201920966037.8U
Authority: CN
Inventors: 叶骁
Original assignee: Zhongjing Technology Hangzhou Co ltd
Current assignee: Zhongjing Technology Hangzhou Co ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-04-14
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a water supply system's controller, including the casing that has the pressure chamber, set up the interface of intaking and the water outlet in the casing both sides coaxially, interface of intaking and water outlet intercommunication pressure chamber are equipped with the response support in the pressure chamber, the response support includes that slidable ground adaptation is at the intraoral pressure-bearing section of intaking, and the pressure-bearing section is close to and is equipped with the ring flange that radially expands outward on the outer periphery of water outlet one end, is close to water outlet one side at the pressure chamber and is equipped with the pressure spring that resets that supports and presses the pressure-bearing section, thereby makes the ring flange supports and block the inner port of interface of intaking, still is equipped with the control chamber that separates with the pressure chamber in the outside of casing, inlays on the ring flange and is equipped with magnet, and the bottom that the control chamber is close to the pressure chamber. The utility model discloses can improve the control accuracy of water pump, simplify the structure of controller, be favorable to the interior water supply end of water supply system and the matching between the demand end.

Description

Controller of water supply system

Technical Field

The utility model relates to a water pump control technical field, concretely relates to adopt water pump water supply's a water supply system's controller.

Background

In the existing water supply system of the water pump, in order to realize the normal operation and automatic control of the water pump, a controller for controlling the operation state of the water pump needs to be configured. The controller generally includes a housing having a water inlet port and a water outlet port connectable to a water supply line, the housing including a pressure chamber communicating with the water inlet and outlet ports, and a sealing chamber sealed from the pressure chamber by an isolation diaphragm made of elastic material such as rubber. In addition, a sensor capable of detecting the deformation quantity of the isolation diaphragm is arranged in the body, and a corresponding control circuit board is arranged in the sealing cavity. When the water pump starts to work, the pressure cavity communicated with the water inlet and the water outlet in the shell is filled with water to generate certain water pressure, the isolation diaphragm generates elastic deformation, and the sensor can detect the deformation of the isolation diaphragm and transmit signals to the control circuit board. When the water pump is just powered on, the pressure in the pressure cavity is zero, correspondingly, the deformation of the isolation diaphragm is zero, at the moment, the control circuit board outputs a starting signal to the water pump, and the water pump starts to operate, so that water is supplied to a water supply system; when the water supply amount of the water pump is larger than the downstream water demand or a valve at the water end is completely closed, the pressure in the water supply pipeline and the pressure cavity rises, and accordingly, the deformation signal output by the isolation diaphragm increases; when the deformation signal is larger than a set value, the control circuit board can output a stop signal to the water pump, and the water pump stops supplying water to the water supply system, so that the overhigh water pressure of the water supply system is avoided, the water pump is prevented from being overloaded, and the water supply system is in a pressure maintaining state at the moment; when the valve at the downstream water using end is opened so as to start water outlet, the pressure of the water supply pipeline and the pressure cavity is reduced, the isolation diaphragm is elastically restored at the moment, the deformation signal output by the sensor is lower than a set value, the control circuit board can output a starting signal to the water pump at the moment, and the water pump starts to operate and supplies water to the water supply system again. That is, through the automatic control of controller, can realize the automatic control of water pump operation, ensure water supply system's water supply demand, avoid the overload of water pump simultaneously.

However, the existing controller has the following defects: because the deformation quantity of the isolation diaphragm is finally detected by the sensor, the deformation quantity of the isolation diaphragm can be greatly influenced by the material characteristics, the thickness, the state during installation and the like of the isolation diaphragm, and a very complex function relation can be formed between the deformation quantity of the isolation diaphragm and the pressure of the pressure cavity, so that the sensor is difficult to output a signal accurately corresponding to the pressure of the pressure cavity, and the control precision of the water pump is reduced.

In particular, in order to match the water supply of the water pump to the rainwater demand of the downstream water end as much as possible and to avoid frequent starting of the water pump and sudden changes in the water supply pressure of the water supply system, the existing water supply system of the water pump usually further comprises a frequency converter for controlling the operating power of the water pump. At the moment, the control circuit board can correspondingly control the power of the water pump through the frequency converter according to the size of the received sensor signal, so that the water quantity output by the water pump is matched with the water demand of a downstream water using end. As described above, since a large deviation is easily generated between the deformation amount of the isolation diaphragm and the pressure of the corresponding pressure chamber, and a non-linear relationship is generated between the deformation amount of the isolation diaphragm and the pressure of the pressure chamber, it is difficult for the controller to accurately control the power and the output water amount of the water pump according to the pressure variation of the water supply line, thereby causing a mismatch between the water supply and the demand in the water supply system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the water supply of water supply system that current water pump supplied water exists is low, be difficult to realize the water supply of water pump and the demand of demand end accurate matching, provides a water supply system's controller, can improve the control accuracy of water pump, simplifies the structure of controller, is favorable to the interior water supply of water supply system to hold and the matching between the demand end.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a water supply system's controller, includes the casing that has the pressure chamber, sets up interface and the water outlet port of intaking in the casing both sides coaxially, interface and the water outlet port intercommunication pressure chamber of intaking are equipped with the response support in the pressure chamber, the response support includes that slidable ground adaptation is at the intraoral pressure-bearing section of intaking, and the pressure-bearing section is close to and is equipped with the ring flange that radially expands outward on the outer periphery of water outlet port one end, is close to water outlet port one side at the pressure chamber and is equipped with the pressure spring that resets that supports and press the pressure-bearing section, thereby makes the ring flange supports and block the inner port of interface of intaking, still is equipped with the control chamber that separates with the pressure chamber in the outside of casing, inlays on the ring flange and is equipped with magnet, and the control chamber.

First, the utility model discloses set up the inside control chamber that has control circuit board outside the casing to the control chamber separates with the pressure chamber, thereby can avoid the control circuit board of control intracavity to intake the short circuit. It will be appreciated that the housing may be formed from an engineering plastic by an injection moulding process to conveniently form the working and control chambers in spaced relationship. In addition, the magnet on the induction bracket can form non-contact induction on the Hall element in the control cavity, so that the Hall element outputs a corresponding electric signal, thereby playing the role of a position sensor. After the water pump switch on, because pressure and flow have not been formed yet in the supply channel this moment, consequently, the response support moves towards water inlet one side under the spring action of pressure spring resets, and the ring flange on the pressure-bearing section then closely supports and leans on the step of intaking the interface inner and being connected with the pressure chamber, and magnet on the ring flange plays a role to the hall element of control intracavity this moment, and hall element can be to control circuit board output signal, and control circuit board then can make the water pump start, and then supplies water to the supply channel.

Particularly, the utility model discloses set up a response support that can remove in the pressure chamber, and the bearing section of response support is the adaptation in the interface of intaking. Therefore, when water flow in the water supply pipeline enters the shell through the water inlet connector, the water flow can form impact pressure on the pressure-bearing section of the induction support matched in the water inlet connector, and the induction support is pushed to overcome the elasticity of the reset pressure spring and move towards one side of the water outlet connector. When the pressure of the water supply pipeline is higher, the water flow is larger, and the impact pressure of the water flow on the pressure-bearing section is larger, the moving distance of the induction support to one side of the water outlet connector is longer. According to the position difference of the induction support and the position of the magnet relative to the Hall element, correspondingly, the magnetic field intensity sensed by the Hall element is different, and therefore the Hall element can output corresponding electric signals. At the moment, the control circuit board can control the working of the frequency converter according to the electric signal output by the Hall element, and further adjust the working power and the output water quantity of the water pump.

When the downstream valve is closed gradually, the water consumption is reduced gradually, and the water supply of the water pump is larger than the downstream water demand, the pressure of the water supply pipeline and the pressure cavity is increased gradually. As mentioned above, the control circuit board can adjust the output water amount of the water pump accordingly, so that the water supply of the water supply pipeline is matched with the downstream water demand, and the overload operation of the water pump is effectively avoided.

It is known that in water supply systems for water pumps, it is generally necessary to provide a non-return valve at the output of the water pump to prevent high pressure water downstream of the pump when it is stopped from adversely affecting the restart of the pump. When the low reaches stop using water, the water pump is closed, the response support removes towards water inlet one side under the spring action of pressure spring that resets, and the ring flange on the pressure-bearing section then closely supports and leans on the step of intaking the interface inner and being connected with the pressure chamber to can seal the interface of intaking effectively, thereby avoid low reaches to have in the rivers of higher pressure get into the water pump through the controller backward flow, influence the restart of water pump. It can be understood that the higher the pressure of the downstream water supply pipeline is, the higher the water pressure of the water outlet port is, and correspondingly, the higher the pressure acting on the pressure-bearing section and the flange at the moment is, so that the flange can be reliably and tightly attached to the step connecting the inner end of the water inlet port and the pressure cavity, the water inlet port can be effectively blocked, and the check valve can be realized.

It can be understood that the isolation diaphragm is eliminated from the shell, so that the structure of the shell can be simplified, and the installation is convenient. The displacement of the induction bracket is directly related to the pressure of the water inlet interface, so even if the property of the return spring, the initial pre-tightening elastic force and the like have slight changes or errors, the displacement of the induction bracket and the deviation of the output signal of the Hall element are extremely small. Particularly, the displacement of the induction bracket and the pressure of the water inlet interface are in a linear relationship completely, so that the processing of the control circuit board on signals can be greatly simplified, and the control precision is effectively improved.

Preferably, a limiting groove extending along the axial direction of the water inlet and outlet interfaces is arranged in the pressure cavity, and a limiting bulge movably matched in the limiting groove is arranged on the outer side of the flange plate.

Because the outside of ring flange is equipped with movably the spacing arch of adaptation in the spacing inslot, consequently, can play the guide effect to the response support on the one hand, on the other hand can avoid the response support to produce effectively and rotate in the pressure chamber, ensures that hall element can accurately detect the displacement of magnet, and then improves control accuracy.

Preferably, the water outlet connector comprises a connecting pipe and a switching pipe, wherein the connecting pipe extends outwards from one side of the shell, which is far away from the water inlet connector, and is coaxially communicated with the pressure cavity, the switching pipe is in threaded connection with the outer side of the connecting pipe, and a switching internal thread is arranged in an opening of the switching pipe.

The utility model discloses set the interface of going out water to the concatenation formula structure to can simplify shell structure, the moulding of the interior pressure chamber of casing of being convenient for.

Preferably, a radial barrier strip is arranged in the adapter tube, two ends of the radial barrier strip are integrally connected to the inner side wall of the adapter tube, a guide ring is arranged in the middle of the radial barrier strip, a guide post inserted in the guide ring is arranged at one end, close to the water outlet port, of the induction support, the reset compression spring is sleeved on the guide post, one end of the reset compression spring abuts against the radial barrier strip, and the other end of the reset compression spring abuts against the pressure-bearing section.

The radial barrier strip arranged in the adapter tube can not block water flow from flowing out of the water outlet port, the guide post can effectively position the reset pressure spring on one hand, the reset pressure spring is prevented from being bent after being pressed, meanwhile, the axial movement guide of the induction support is effectively realized through the matching with the guide ring, and the phenomenon that the induction support is blocked when moving is avoided.

Preferably, the adapter tube comprises a large end connected with the connecting tube and a small end provided with an internal adapter thread, so that an annular step is formed between the large end and the small end, and the radial barrier strip is arranged at the annular step.

The adapter tube is arranged into a stepped tube with a large end and a small end, which is beneficial to the molding formation of the adapter tube. In particular, it is advantageous for the connecting tube to be formed with a diameter not smaller than the inner diameter of the pressure chamber, and the radial ribs are arranged in the adapter tube, so that the pressure chamber is completely open on the side of the water outlet, which greatly facilitates the molding of the housing pressure chamber.

Preferably, the pressure-bearing section comprises a body matched with the water inlet interface and a cone extending from the body to the outer end opening of the water inlet interface, and the gap between the cone and the water inlet interface is gradually increased from the end, connected with the body, of the cone to the end part of the cone.

It can be understood that when the water inlet interface has water pressure, the pressure-bearing section can generate axial movement. The utility model discloses a pressure-bearing section include with the body of interface adaptation of intaking, extend the cone that forms by the body, like this, when pressure-bearing section pressurized removal, its body shift out into and form the clearance between the cone of pressure-bearing section and the interface of intaking when intaking the interface promptly to make rivers accessible intake interface, pressure chamber, go out that the water interface outwards flows. Particularly, when the pressure of the water supply pipeline rises, the displacement of the induction bracket is increased, and correspondingly, the gap between the cone and the water inlet interface is increased, so that more water flows can pass through the induction bracket. That is, the water flow cross-sectional area of the water inlet interface is in direct proportion to the water pressure of the water supply pipeline, so that the water supply requirement can be effectively adapted. And when the water supply pipeline stops supplying water, the cone forms a good guiding effect on the induction support, so that the pressure-bearing section can be always positioned in the water inlet interface, and the smooth resetting of the induction support is ensured.

Preferably, the end face of the pressure-bearing section body is recessed inwards to form an accommodating groove, and the guide columns are integrally connected to the bottom surface of the accommodating groove.

Form an annular space between guide post and holding are sunken, the pressure spring that resets then can be located this annular space partially to be favorable to the overall dimension of minimize pressure chamber and casing, and ensure that the pressure spring that resets has sufficient length, with the elasticity coefficient that reduces the pressure spring that resets as far as possible, and then make the water pressure change of water supply line can form bigger induction support's displacement, improve the detection of controller, control accuracy.

Therefore, the utility model discloses following beneficial effect has: the control precision of the water pump can be improved, the structure of the controller is simplified, and the matching between the water supply end and the demand end in the water supply system is facilitated.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic diagram of one construction of an induction cradle.

In the figure: 1. the device comprises a shell 11, a pressure cavity 111, a limiting groove 112, an avoiding groove 12, a control cavity 13, a control circuit board 14, a connecting pipe 2, a water inlet interface 3, a water outlet interface 31, a switching pipe 311, a switching internal thread 32, a radial barrier strip 33, a guide ring 4, an induction bracket 41, a pressure-bearing section 411, a body 412, a cone 413, an accommodating groove 42, a flange 421, a limiting bulge 43, a guide column 5, a reset pressure spring 6 and a magnet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

A controller for water supply system is suitable for water pump system, which comprises ascending water pump, downstream user, water source for water supply, wherein the water pump comprises a frequency converter to regulate the power and output water quantity of the water pump, the water source is preferably tap water, the downstream user can be family user or other users, the water inlet end of the water pump is connected with the water source through pipeline, the water outlet end of the water pump is connected with the downstream user through water supply pipeline, of course, corresponding valve is needed to be arranged at the user end. As shown in fig. 1 and 2, the controller of the present invention includes a housing 1, a water inlet 2 and a water outlet 3 coaxially disposed on the front and the rear sides of the housing, and a cylindrical pressure chamber 11 is disposed inside the housing, and the axis of the pressure chamber is transversely disposed. The water inlet interface and the water outlet interface are communicated with the pressure cavity and are coaxially arranged with the pressure cavity. The aperture of the water inlet interface is smaller than the inner diameter of the pressure cavity, so that a step is formed at the joint of the inner end of the water inlet interface and the pressure cavity.

In this example, the water inlet port side of the housing is referred to as a front side or front section, and the water outlet port side is referred to as a rear side or rear section. The water inlet interface is provided with external threads, and the water outlet interface is provided with internal threads so as to connect the controller on the water supply pipeline. Since the arrangement of the water pump, the frequency converter, and the water supply pipeline is the prior art in the field, the description is not repeated here.

In addition, an induction support 4 is arranged in the pressure cavity, as shown in fig. 2 and fig. 3, the induction support comprises a pressure-bearing section 41 which is slidably matched with the water inlet interface, a flange 42 which is radially expanded outwards is arranged on the outer circumferential surface of one end of the pressure-bearing section, which is close to the water outlet interface, and a reset pressure spring 5 which is abutted against the pressure-bearing section is arranged on one side of the pressure cavity, which is close to the water outlet interface, so that the flange abuts against the step at the inner end of the water inlet interface, and the inner port. In addition, a control chamber 12 is provided on the outside of the housing, the side walls of which separate the pressure chamber from the control chamber, thus avoiding water ingress into the control chamber. Magnet 6 is embedded on one side of the flange plate close to the control shell, a control circuit board 13 is arranged at the bottom of the control cavity close to the pressure cavity, and the control circuit board comprises a Hall element corresponding to the magnet.

It can be understood that the magnet on the sensing bracket can form non-contact sensing to the hall element in the control cavity, so that the hall element outputs a corresponding electric signal, thereby functioning as a position sensor.

After the water pump switch on, because pressure and rivers have not been formed yet in the supply channel this moment, consequently, the response support moves towards water inlet one side under the spring action of pressure spring resets, and the ring flange on the pressure-bearing section then closely supports and leans on the step of intaking the interface inner and being connected with the pressure chamber, and magnet on the ring flange plays a role to the hall element of control intracavity this moment, and hall element can be to control circuit board output signal, and control circuit board then can make the water pump start, and then supplies water to the supply channel.

When water flow in the water supply pipeline enters the shell through the water inlet connector, the water flow can form impact pressure on the pressure-bearing section of the induction support matched in the water inlet connector, so that the induction support is pushed to overcome the elasticity of the reset pressure spring and move towards one side of the water outlet connector. When the pressure of the water supply pipeline is higher, the flow is larger, and the impact pressure of water flow to the pressure-bearing section is larger, the moving distance of the induction support to one side of the water outlet connector is longer. According to the position difference of the induction support and the position of the magnet relative to the Hall element, correspondingly, the magnetic field intensity sensed by the Hall element is different, and therefore the Hall element can output corresponding electric signals. At the moment, the control circuit board can control the working of the frequency converter according to the electric signal output by the Hall element, so that the working power and the output water quantity of the water pump are adjusted, and the output water quantity of the water pump is matched with the water demand of a downstream user.

When the downstream valve is closed and water is stopped, the flow rate of the water supply line is rapidly decreased, and accordingly, the pressure of the water supply line and the pressure chamber is rapidly increased and exceeds a set value. At the moment, the control circuit board enables the water pump to be shut down, and overload operation of the water pump is effectively avoided. Because the water pressure of interface one side of intaking descends, the response support moves towards water inlet one side under the spring action of pressure spring that resets, and the ring flange on the pressure-bearing section then closely supports and leans on the step of intaking the interface inner and being connected with the pressure chamber to can seal the interface of intaking effectively, thereby avoid the low reaches to have in the rivers of higher pressure get into the water pump through the controller backward flow, influence the restart of water pump. It can be understood that the higher the pressure of the downstream water supply pipeline is, the higher the water pressure of the pressure is, and correspondingly, the higher the pressure acting on the pressure-bearing section and the flange at the moment is, so that the flange can be reliably and tightly attached to the step connecting the inner end of the water inlet interface and the pressure cavity, so as to effectively block the water inlet interface, thereby playing the role of a check valve.

As a preferred scheme, three limiting grooves 111 extending along the axial direction of the water inlet and outlet interfaces are arranged on the inner side wall of the pressure cavity, the three limiting grooves are uniformly distributed in the circumferential direction, three limiting protrusions 421 movably matched in the corresponding limiting grooves are arranged on the outer side of the flange plate, on one hand, the induction support can be moved and guided, on the other hand, the induction support can be effectively prevented from rotating in the pressure cavity, the Hall element can be ensured to accurately detect the displacement of the magnet, and further, the control precision is improved.

Certainly, an avoiding groove 112 extending along the axial direction can be further formed in one side, close to the control cavity, of the inner side wall of the pressure cavity, a protruding block movably located in the avoiding groove is arranged on the flange plate, and the magnet is embedded in the protruding block so that the magnet can be close to the Hall element in the control cavity as much as possible, and the detection sensitivity and the detection precision of the Hall element are improved.

As another preferred scheme, the water outlet port comprises a connecting pipe 14 formed by extending the rear side of the shell far away from the water inlet port outwards, and an adapter pipe 31 in threaded connection with the outer side of the connecting pipe, wherein the connecting pipe is coaxial and communicated with the pressure cavity, and the inner diameter of the connecting pipe is larger than that of the pressure cavity. The adapter tube comprises a large end and a small end, so that a stepped tube with a large front end and a small rear end is formed, the stepped tube is favorable for molding, and an annular step is formed between the large end and the small end in the connecting tube. The large end is internally threaded to form a threaded connection with the connecting tube and the small end is internally threaded with a female adapter 311 that is connectable to a water supply line. The water outlet interface is arranged into a splicing structure, so that the structure of the shell can be simplified, and the molding of the pressure cavity in the shell is facilitated.

Preferably, a radial barrier strip 32 is arranged at an annular step in the adapter tube, two ends of the radial barrier strip are integrally connected to the inner side wall of the adapter tube, a guide ring 33 is arranged in the middle of the radial barrier strip, a guide column 43 inserted in the guide ring is arranged at the rear end of the induction support close to the water outlet port, a reset pressure spring is sleeved on the guide column, one end of the reset pressure spring abuts against the radial barrier strip, and the other end of the reset pressure spring abuts against the pressure-bearing section. On the one hand, the radial blend stop of setting in the adapter tube can not hinder rivers from going out from water outlet port, and on the other hand, the guide post can make the pressure spring that resets obtain effective positioning, avoids producing the bending after its pressurized to realize induction bracket's axial displacement direction effectively through the cooperation of guide post and guide ring, avoid induction bracket to appear the card phenomenon of dying when removing.

Further, the pressure-bearing section includes body 411 with water inlet interface adaptation, by the body to the cone 412 of water inlet interface outer end opening extension, the clearance between cone and the water inlet interface is from the rear end of cone and body coupling to the front end of cone increase gradually. When the water inlet connector has water pressure, the pressure-bearing section can move backwards in the axial direction, the body moves out of the water inlet connector at the moment, a gap allowing water flow to pass is formed between the cone of the pressure-bearing section and the water inlet connector, and the water flow flows out outwards through the water inlet connector, the pressure cavity and the water outlet connector. When the pressure of the water supply pipeline rises, the displacement of the induction support is increased, and correspondingly, the gap between the cone and the water inlet interface is increased, so that more water flows can pass through the induction support. When the water supply pipeline stops supplying water, the cone forms a good guiding function for the induction support, so that the pressure-bearing section can be always positioned in the water inlet interface, and the smooth resetting of the induction support is ensured.

Finally, we can make the rear end face of the pressure-bearing section body inwards sunken to form an accommodating groove 413, guide post integral connection is on the bottom surface of the accommodating groove, thereby form an annular space between guide post and accommodating recess, the front end of the pressure spring that resets then can be partly located in this annular space, thereby be favorable to the overall dimension of minimize pressure chamber and casing, and ensure that the pressure spring that resets has sufficient length, with the elasticity coefficient that reduces the pressure spring that resets as far as possible, and then the water pressure change that makes the supply line can form the displacement of bigger response support, the detection of improvement controller, and the control accuracy.

Claims

1. The utility model provides a water supply system's controller, includes the casing that has the pressure chamber, sets up interface and the water outlet port of intaking in the casing both sides coaxially, interface and the water outlet port intercommunication pressure chamber of intaking, characterized by is equipped with the response support in the pressure chamber, the response support includes the pressure-bearing section of slidable ground adaptation in the interface of intaking, and the pressure-bearing section is close to and is equipped with the ring flange that radially expands outward on the outer periphery of water outlet port one end, is equipped with the pressure spring that resets that supports and press the pressure-bearing section near water outlet port one side at the pressure chamber, thereby makes the ring flange supports and block the inner port of interface of intaking, still is equipped with the control chamber that separates with the pressure chamber in the outside of casing, inlays on the ring flange and is equipped with magnet, and the control chamber is close to.

2. The controller for a water supply system according to claim 1, wherein the pressure chamber is provided with a limiting groove extending along the axial direction of the water inlet and outlet ports, and the outer side of the flange is provided with a limiting protrusion movably fitted in the limiting groove.

3. The controller of claim 1, wherein the outlet port comprises a connecting tube extending outward from a side of the housing away from the inlet port and coaxially communicating with the pressure chamber, and an adapter tube screwed to an outer side of the connecting tube, and an internal screw thread is provided in an opening of the adapter tube.

4. The controller of claim 3, wherein a radial barrier is disposed in the adapter tube, two ends of the radial barrier are integrally connected to an inner sidewall of the adapter tube, a guide ring is disposed in a middle portion of the radial barrier, the induction bracket is provided with a guide post inserted into the guide ring at an end near the water outlet, the reset compression spring is sleeved on the guide post, one end of the reset compression spring presses against the radial barrier, and the other end presses against the pressure-bearing section.

5. The controller for a water supply system according to claim 4, wherein said adapter tube comprises a large end connected to the connecting tube, a small end provided with an internal adapter thread, thereby forming an annular step between the large end and the small end, said radial barrier being provided at the annular step.

6. The controller of claim 1, wherein the pressure-bearing section comprises a body adapted to the water inlet port, and a cone extending from the body toward an outer end opening of the water inlet port, and a gap between the cone and the water inlet port gradually increases from a connection end of the cone and the body to an end of the cone.

7. The controller for a water supply system according to claim 4, wherein the end surface of the body of the pressure-receiving section is recessed inwardly to form a receiving groove, and the guide post is integrally connected to a bottom surface of the receiving groove.