阅读说明：本技术 增压水泵及基于太阳能热水器的增压供水系统 (Pressurizing water pump and pressurizing water supply system based on solar water heater ) 是由 陈荣国 于 2020-06-12 设计创作，主要内容包括：本发明涉及一种增压水泵,包括具有进水通道和出水通道的水泵本体,其特征在于：还包括混水阀和流量开关,混水阀的第一进水端连接在出水通道处,混水阀的第二进水端用以与外接水路连接,混水阀的混合水流出端则与流量开关的进水端连接,流量开关的出水端用以与外接水路连接,流量开关的信号输出模块与所述水泵本体的控制模块电连接、以能控制所述水泵本体持续工作与否。本增压水泵无论冬天或夏天都能确保其有效工作。本发明还涉及一种适合用于洗浴间的具有该增压水泵基于太阳能热水器的增压供水系统。(The invention relates to a booster water pump, which comprises a water pump body with a water inlet channel and a water outlet channel, and is characterized in that: the water pump body is characterized by further comprising a water mixing valve and a flow switch, wherein the first water inlet end of the water mixing valve is connected to the water outlet channel, the second water inlet end of the water mixing valve is used for being connected with an external water path, the mixed water outlet end of the water mixing valve is connected with the water inlet end of the flow switch, the water outlet end of the flow switch is used for being connected with the external water path, and the signal output module of the flow switch is electrically connected with the control module of the water pump body so as to control the water pump body to continuously work or not. The booster pump can ensure effective work no matter in winter or summer. The invention also relates to a pressurized water supply system which is suitable for a bath room and is provided with the pressurized water pump based on the solar water heater.)

1. The utility model provides a booster pump, is equipped with pressure switch, its characterized in that including water pump body (1) that has inhalant canal (11) and exhalant canal (12) in water pump body (1): the water pump further comprises a water mixing valve (2) and a flow switch (3), a first water inlet end (21) of the water mixing valve (2) is connected to the water outlet channel (12) of the water pump body (1), a second water inlet end (22) of the water mixing valve (2) is used for being connected with an external water channel, a mixed water outlet end (23) of the water mixing valve (2) is connected with a water inlet end (3a) of the flow switch (3), a water outlet end (3b) of the flow switch (3) is used for being connected with the external water channel, a signal output module (3c) of the flow switch (3) is electrically connected with a control module (13) of the water pump body (1) so as to control the water pump body (1) to continuously work or not, and when the flow switch (3) detects a water flow signal of the mixed water end (23) of the water mixing valve (2), a signal output module (3c) of the flow switch (3) outputs a signal and is received by the control module (13) of the water pump body (1), the control module (13) of the water pump body (1) controls the water pump body (1) to continuously work.

2. The booster water pump of claim 1, wherein: and a signal output module (3c) of the flow switch (3) is directly connected with a control module (13) of the water pump body (1) through a lead (4).

3. The booster water pump of claim 1, wherein: the water pump body (1), the water mixing valve (2) and the flow switch (3) are integrated in a shell.

4. A pressurizing water supply system based on a solar water heater comprises the solar water heater (5), a temperature regulating faucet (6), a shower head (7) and a cold water inlet pipeline (8), wherein the solar water heater (5) is provided with a cold water supply pipeline (51) and a hot water outlet pipeline (52), the shower head (7) is communicated with a mixed water outlet end (63) of the temperature regulating faucet (6), and the cold water inlet pipeline (8) is communicated with a cold water inlet end (61) of the temperature regulating faucet (6); the method is characterized in that: the booster water pump as claimed in any one of claims 1 to 3, wherein the hot water outlet pipeline (52) is communicated with the water inlet channel (11) of the water pump body (1), the cold water supply pipeline (51) is divided into a branch which is communicated with the second water inlet end (22) of the water mixing valve (2), and the water outlet end (3b) of the flow switch (3) is communicated with the hot water inlet end (62) of the temperature regulating faucet (6); when the temperature-adjusting water tap (6) is opened, hot water flows into the hot water inlet end (62) of the temperature-adjusting water tap (6), the flow switch (3) can detect a water flow signal of the mixed water outlet end (23) of the water mixing valve (2), the signal output module (3c) of the flow switch (3) outputs a signal and is received by the control module (13) of the water pump body (1), and the control module (13) of the water pump body (1) controls the water pump body (1) to continuously work.

5. The solar water heater-based pressurized water supply system according to claim 4, wherein: the flow switch (3) comprises

The shell (31) is provided with an axial channel (311), the water inlet end (3a) of the shell (31) is connected with the mixed water outlet end (23) of the water mixing valve (2), and the water outlet end (3b) of the shell (31) is connected with the hot water inlet end (62) of the temperature regulating faucet (6);

the piston (32) is arranged in the axial channel (311) and can axially slide to be positioned at a first position or a second position, a spring (33) which enables the piston (32) to keep the first position trend is arranged in the axial channel (311), and the piston (32) can axially slide to the second position under the action of water flow;

the magnet (34) is arranged on the piston (32) and can slide along with the piston (32);

magnetic induction switch (35), locate on the lateral wall of shell (31) and with signal output module (3c) electricity is connected piston (32) are in first position state, magnetic induction switch (35) can not by magnet (34) response, and signal output module (3c) can not send out the signal piston (32) are in the second position state, magnetic induction switch (35) quilt magnet (34) response, signal output module (3c) send out the signal and by control module (8) are received.

6. The solar water heater-based pressurized water supply system according to claim 5, wherein: one end of the piston (32) is provided with a guide post (321) extending axially, a guide hole (312) for guiding the guide post in an inserting and matching manner (321) is arranged in the axial channel (311), the peripheral wall of the guide hole (312) is connected with the inner hole wall of the axial channel (311) through a plurality of connecting ribs (313) arranged at intervals along the circumference, and the spring (33) is supported between the piston (32) and the connecting ribs (313); a guide block (322) is formed on the peripheral wall of the piston (32), and a guide groove (11) for the guide block (213) to slide in is formed on the inner wall of the axial channel (311) along the axial direction.

7. The solar water heater-based pressurized water supply system according to claim 5, wherein: one end of the axial channel (311) is provided with a limiting seat (36) for limiting the sliding of the piston (32), and the limiting seat (36) is connected to the outer end of the shell (31) in a rotary clamping manner; the other end of the axial channel (311) is inserted with a connecting pipe fitting (37), and the connecting pipe fitting (37) is provided with an external connecting thread (371) connected with a water pipe; and the outer wall of the shell (31) is provided with an accommodating cavity (31) for accommodating the magnetic induction switch (35) and the signal output module (8).

8. The solar hot water based pressurized waterway system of claim 7, wherein: the outer wall of the other end of the outer shell (31) is embedded with a sealing ring (38) and two limiting steps (314) which are arranged behind the sealing ring (38) in a bilateral symmetry mode, cavities (231) are formed in two sides of a mixed water outflow end (23) of the water mixing valve (2), the other end of the outer shell (31) is inserted into the mixed water outflow end (23) of the water mixing valve (2), and the limiting steps (314) are hidden in the cavities (231) and are restrained in the cavities (231) through U-shaped clamping pieces (232) inserted into the cavities (231).

9. The solar water heater-based pressurized water supply system according to claim 4, wherein: the water mixing valve (2) is a constant-temperature water mixing valve.

10. The solar water heater-based pressurized water supply system according to claim 4, wherein: a side branch hot water pipeline (14) is further arranged on the hot water outlet pipeline (12) between the water outlet end (3b) of the flow switch (3) and the temperature regulating faucet (3), a first water device (9a) is arranged on the side branch hot water pipeline (14), and the cold water inlet pipeline (8) is also connected with the first water device (9 a); and a second water utilization device (9b) is also arranged on the cold water inlet pipeline (8).

Technical Field

The invention relates to a booster water pump and further relates to a booster water supply system which is suitable for a bath room and is provided with the booster water pump based on a solar water heater.

Background

The solar water heater has the advantages of energy conservation and environmental protection, and is widely used. The existing solar water-heating-based waterway system comprises a solar water heater, a water pipe, a booster pump, a temperature-adjusting faucet, a shower head and a closestool, wherein the solar water heater is provided with a cold water inlet pipeline and a hot water outlet pipeline, the hot water outlet pipeline is connected with a hot water inlet end of the temperature-adjusting faucet through the booster pump, the setting of the booster pump can increase water pressure and water yield, if no booster pump provides water pressure only by potential energy, the water pressure is insufficient and the water yield is small, a pressure switch and a flow switch are generally arranged for ensuring the effective work of the booster pump, in addition, a cold water pipeline is also arranged, the cold water pipeline is connected with the cold water inlet end of the temperature-adjusting faucet, and various water using equipment such as the closestool and the like can be connected on the cold water pipeline.

The solar water heater has the following characteristics in the using process: in winter, the water temperature is about 38 degrees generally due to less light, the water heater is basically driven to the position of full hot water when the user takes a bath, and the flow switch can be ensured to be always in a trigger state, so that the booster pump can work normally due to large flow of the hot water. Because of illumination is enough during the summer, the temperature can reach 90 degrees more, when bathing, then the switch that adjusts the temperature transfers to cold water flow basically and is far greater than the position of hot water flow, because of the hot water flow undersize, be not enough to trigger the rivers switch in the booster pump all the time, lead to the booster pump out of work, the water that the gondola water faucet flows is full cold water, the temperature is low excessively, also be unsuitable to have a bath, adjust the temperature tap toward hot water direction regulation a little, then can let the play water of gondola water faucet cross scald, use very awkwardly. At present, the situation cannot be well solved by various large solar water heater manufacturers.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a booster water pump which can ensure the effective operation of the booster pump no matter in winter or summer, and the booster water pump is especially suitable for the booster water supply system based on the solar water heater in the bath room.

The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a booster pump, is equipped with pressure switch, its characterized in that including the water pump body that has inlet channel and exhalant canal, this internal pressure switch that is equipped with of water pump: the water pump comprises a water pump body and is characterized by further comprising a water mixing valve and a flow switch, wherein a first water inlet end of the water mixing valve is connected to a water outlet channel of the water pump body, a second water inlet end of the water mixing valve is used for being connected with an external water path, a mixed water outlet end of the water mixing valve is connected with a water inlet end of the flow switch, a water outlet end of the flow switch is used for being connected with the external water path, a signal output module of the flow switch is electrically connected with a control module of the water pump body so as to control whether the water pump body continuously works or not, when the flow switch detects a water flow signal of the mixed water outlet end of the water mixing valve, a signal output module of the flow switch outputs a signal and is received by the control module of the water pump body, and the control module of the water pump body controls the water pump body to continuously work.

Compared with the prior art, this booster pump's advantage lies in: the water mixing valve is arranged at the water outlet end of the water pump body, and the flow switch is arranged at the mixed water outlet end of the water mixing valve, so that when the booster water pump is used for a booster water supply system based on a solar water heater in a bathroom, the water mixing valve arranged on the water pump body can be adjusted to a higher water temperature (such as 60 ℃), so that even if the water temperature in the solar water heater is 90 ℃, 60 ℃ hot water is matched with a temperature adjusting faucet connected with a shower head for use, the temperature adjusting faucet is adjusted to a position with comfortable and stable human body (35 ℃), enough hot water flow can be ensured to pass through the water inlet end of the temperature adjusting faucet, enough water can be ensured to pass through the flow switch through the mixed water outlet end of the water mixing valve, the flow switch can be fully triggered, and the signal output module of the flow switch stably outputs signals and is received by the control module of the water pump body, ensuring the continuous work of the water pump body.

Preferably, the signal output module of the flow switch is directly connected with the control module of the water pump body through a wire. Because the signal output module of the flow switch is closer to the control module of the water pump body, the flow switch is suitable for being directly connected by a lead, and the direct connection of the lead is beneficial to signal transmission. Of course, a wireless reception mode may also be used.

Preferably, the water pump body, the mixing valve and the flow switch are integrated in a single housing. Thus, the pressure boosting water pump has better integrity.

In a further improvement, the flow switch comprises a shell which is provided with an axial channel, the water inlet end of the shell is connected with the mixed water outlet end of the water mixing valve, and the water outlet end of the shell is connected with the hot water inlet end of the temperature regulating faucet; the piston is arranged in the axial channel and can axially slide to be in a first position or a second position, a spring which enables the piston to keep in the trend of the first position is arranged in the axial channel, and the piston can axially slide to the second position under the action of water flow; the magnet is arranged on the piston and can slide along with the piston; the magnetic induction switch is arranged on the side wall of the shell and electrically connected with the signal output module, the piston is in a first position state, the magnetic induction switch cannot be induced by the magnet, the signal output module cannot emit a signal, the piston is in a second position state, and the magnetic induction switch is induced by the magnet, the signal output module outputs the signal and is received by the control module. The auxiliary flow switch can be independently assembled as a module, and after the auxiliary flow switch is assembled, only the two ends of the outer shell need to be respectively connected with the water pipes of the cold water pipelines, so that the auxiliary flow switch is convenient to assemble. Of course, a battery part for supplying power to the signal output module is also arranged on the shell.

In order to lead the moving track of the piston, one end of the piston is provided with a guide post extending axially, a guide hole for the guide post to be inserted and matched for guiding is arranged in the axial channel, the peripheral wall of the guide hole is connected with the inner hole wall of the axial channel through a plurality of connecting ribs arranged at intervals along the circumference, and the spring is supported between the piston and the connecting ribs.

If the piston deflects in the moving process, the magnetic induction switch cannot be sensed by the magnet possibly, in order to prevent the piston from deflecting in the moving process and ensure that the magnetic induction switch is sensed by the magnet when the piston slides to the second position, a guide block is formed on the peripheral wall of the piston, and a guide groove for the guide block to slide in is formed in the inner wall of the axial channel along the axial direction. The guide groove has a circumferential constraint rotation limiting effect on the guide block.

For convenient assembly, one end of the axial channel is provided with a limiting seat for limiting the sliding of the piston, and the limiting seat is connected to the outer end of the shell in a rotary clamping manner; the other end of the axial channel is inserted with a connecting pipe fitting, and the connecting pipe fitting is provided with an external connecting thread connected with the water pipe. The external connecting thread is convenient for connecting one end of the auxiliary flow switch part with a water pipe. For the convenience of installing the magnetic induction switch and the signal output module, the outer wall of the shell is provided with a containing cavity for containing the magnetic induction switch and the signal output module. The accommodating cavity also plays a role in protecting the magnetic induction switch and the signal output module.

In order to facilitate the connection of the other end of the flow switch and the water mixing valve, a sealing ring and two limit steps which are symmetrically arranged at the left and right sides behind the sealing ring are embedded on the peripheral wall of the other end of the shell, concave cavities are formed in two sides of the mixed water outflow end of the water mixing valve, the other end of the shell is inserted into the mixed water outflow end of the water mixing valve, and the limit steps are hidden in the concave cavities and are constrained in the concave cavities through U-shaped clamping pieces inserted on the concave cavities. The shell is connected to the water mixing valve through inserting and matching and combining the U-shaped clamping piece, and meanwhile, the sealing ring is arranged to prevent water leakage.

The second technical problem to be solved by the present invention is to provide a pressurized water supply system based on a solar water heater, which can ensure the effective operation of the pressurized pump no matter in winter or summer, and the water supply system is especially suitable for the bath room.

The technical scheme adopted by the invention for solving the second technical problem is as follows: a pressure-increasing water supply system based on a solar water heater comprises the solar water heater, a temperature-adjusting faucet, a shower head and a cold water inlet pipeline, wherein the solar water heater is provided with a cold water supply pipeline and a hot water outlet pipeline; the method is characterized in that: the water outlet pipeline is communicated with the water inlet channel of the water pump body, the cold water supply pipeline is divided into one path which is communicated with the second water inlet end of the water mixing valve, and the water outlet end of the flow switch is communicated with the hot water inlet end of the temperature regulating faucet; when the temperature-adjusting water tap is opened, hot water flows into the hot water inlet end of the temperature-adjusting water tap, the flow switch can detect a water flow signal of the mixed water outlet end of the water mixing valve, the signal output module of the flow switch outputs a signal and is received by the control module of the water pump body, and the control module of the water pump body controls the water pump body to continuously work.

Preferably, the mixing valve is a thermostatic mixing valve. The constant temperature water mixing valve can ensure that the outlet water temperature of the hot water flowing to the temperature-regulating water tap is constant.

In order to increase the application of a waterway system, a hot water outlet pipeline between the water outlet end of the flow switch and the temperature regulating faucet is also provided with a branch hot water pipeline, the branch hot water pipeline is provided with first water using equipment, and the cold water inlet pipeline is also connected with the first water using equipment; the first water device may be a temperature-regulated water tap for a wash station. And a second water-using device is also arranged on the cold water inlet pipeline. A second water-using appliance such as a toilet.

Compared with the prior art, the water supply system has the advantages that: the water outlet end of the water pump body is provided with the water mixing valve, the flow switch is arranged at the mixed water outlet end of the water mixing valve, and the water outlet end of the flow switch is communicated with the hot water inlet end of the temperature regulating faucet, so that the water path system can ensure that the booster pump can work effectively no matter the water path system is used in winter or summer, and the outlet water temperature is proper; when the booster pump is used in winter, the flow switch on the booster pump works normally due to large flow of the passing hot water, so that the booster pump can work normally; when the solar water heater is used in summer, the water mixing valve arranged on the water pump body can be adjusted to a position with higher water temperature (such as 60 ℃), so that even if the water temperature in the solar water heater is 90 degrees, 60-degree hot water is matched with the temperature adjusting faucet connected with a shower head for use, the temperature adjusting faucet is adjusted to a position with comfortable and stable human body (35 ℃), enough hot water flow can be ensured to pass through the hot water inlet end of the temperature adjusting faucet, so that enough water can be ensured to pass through the flow switch through the mixed water outlet end of the water mixing valve, the flow switch can be fully triggered, and the signal output module of the flow switch stably outputs signals and is received by the control module of the water pump body, so that the water pump body can continuously work.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a booster water pump of the present invention;

FIG. 2 is a schematic diagram of an embodiment of the water supply system of the present invention;

FIG. 3 is a schematic perspective view of an auxiliary flow switch portion in an embodiment of the water supply system of the present invention;

FIG. 4 is a schematic perspective view of an auxiliary flow switch portion of an embodiment of the water supply system of the present invention;

FIG. 5 is a cross-sectional view of a portion of an auxiliary flow switch in an embodiment of the water supply system of the present invention;

FIG. 6 is a sectional view taken along line A-A of FIG. 5;

fig. 7 is an exploded perspective view of an auxiliary flow switch portion in an embodiment of the water supply system of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1, a preferred embodiment of the booster water pump of the present invention is shown.

A booster water pump comprises a water pump body 1 with a water inlet channel 11 and a water outlet channel 12, wherein a pressure switch for controlling whether the water pump body 1 works or not is arranged in the water pump body 1, and the prior art of the booster water pump refers to related patents.

The booster water pump has the main improvement points that: the water pump body 1 is characterized by further comprising a water mixing valve 2 and a flow switch 3, a first water inlet end 21 of the water mixing valve 2 is connected to the water outlet channel 12 of the water pump body 1, a second water inlet end 22 of the water mixing valve 2 is used for being connected with an external water channel, a mixed water outlet end 23 of the water mixing valve 2 is connected with a water inlet end 3a of the flow switch 3, a water outlet end 3b of the flow switch 3 is used for being connected with the external water channel, a signal output module 3c of the flow switch 3 is electrically connected with a control module 13 of the water pump body 1 and can control whether the water pump body 1 works continuously, when the flow switch 3 detects a water flow signal of the mixed water outlet end 23 of the water mixing valve 2, the signal output module 3c of the flow switch 3 outputs an output signal and is received by the control module 13 of the water pump body 1, and the control module 13 of the water pump body 1 controls the water pump body 1 to work continuously.

The signal output module 3c of the flow switch 3 in this embodiment is directly connected to the control module 13 of the water pump body 1 through the wire 4. The water pump body 1, the water mixing valve 2 and the flow switch 3 are integrated in a shell.

As shown in FIGS. 2 to 7, the preferred embodiment of the pressurized water supply system of the present invention is shown.

A pressurizing water supply system based on a solar water heater comprises the solar water heater 5, a temperature adjusting faucet 6, a shower head 7 and a cold water inlet pipeline 8, wherein the solar water heater 5 is provided with a cold water supply pipeline 51 and a hot water outlet pipeline 52, an electromagnetic valve 53 for controlling the cold water supply pipeline 51 to supply water to the solar water heater 5 is arranged at the cold water supply pipeline, the shower head 7 is communicated with a mixed water outlet end 63 of the temperature adjusting faucet 6, and the cold water inlet pipeline 8 is communicated with a cold water inlet end 61 of the temperature adjusting faucet 6. The mixed water outflow end 63 of the temperature-adjusting water faucet 6 can be provided with a plurality of parts, and can be communicated with a top spray or a water faucet.

The main improvement points of the water supply system are as follows: the booster water pump of the foregoing embodiment is further included, the hot water outlet pipeline 52 is communicated with the water inlet channel 11 of the water pump body 1, the cold water supply pipeline 51 is branched into one path to be communicated with the second water inlet end 22 of the water mixing valve 2, and the water mixing valve is a constant temperature water mixing valve. The water outlet end 3b of the flow switch 3 is communicated with the hot water inlet end 62 of the temperature-regulating water tap 6; when the temperature-adjusting water tap 6 is opened, hot water flows into the hot water inlet end 62 of the temperature-adjusting water tap 6, the flow switch 3 can detect a water flow signal of the mixed water outlet end 23 of the water mixing valve 2, the signal output module 3c of the flow switch 3 outputs a signal and is received by the control module 13 of the water pump body 1, and the control module 13 of the water pump body 1 controls the water pump body 1 to continuously work.

A hot water outlet pipeline 12 between the water outlet end 3b of the flow switch 3 and the temperature-adjusting water tap 3 is also provided with a branch hot water pipeline 14, the branch hot water pipeline 14 is provided with a first water device 9a, the cold water inlet pipeline 8 is also connected with the first water device 9a, and the first water device 9a can be a temperature-adjusting water tap for a wash platform; and a second water reuse device 9b is also arranged on the cold water inlet pipeline 8. The second water device 9b may be a toilet.

As shown in FIGS. 3 to 7, the auxiliary flow switch 3 of the present embodiment includes

The housing 31 has an axial passage 311, the water inlet end 3a of the housing 31 is connected to the mixed water outlet end 23 of the mixing valve 2, and the water outlet end 3b of the housing 31 is connected to the hot water inlet end 62 of the temperature-adjustable water tap 6. The outer wall of the housing 31 is provided with a receiving cavity 315 for receiving the magnetic induction switch 35 and the signal output module 8.

The piston 32 is arranged in the axial passage 311 and can axially slide to be in a first position or a second position, a spring 33 which enables the piston 32 to keep in the first position trend is arranged in the axial passage 311, and the piston 32 can axially slide to be in the second position under the action of water flow. One end of the piston 32 is provided with a guide post 321 extending axially, a guide hole 312 for guiding the guide post 321 is arranged in the axial channel 311, the peripheral wall of the guide hole 312 is connected with the inner hole wall of the axial channel 311 through a plurality of connecting ribs 313 arranged at intervals along the circumference, and the spring 33 is supported between the piston 32 and the connecting ribs 313; a guide block 322 is formed on the peripheral wall of the piston 32, and a guide groove 11 for the guide block 213 to slide therein is axially opened on the inner wall of the axial passage 311.

And a magnet 34 disposed on the piston 32 and capable of sliding with the piston 32.

Magnetic induction switch 35, magnetic induction switch 35 can be the tongue tube, or other hall element, locate on the lateral wall of shell 31 and with signal output module 3c electricity is connected piston 32 is in the first position state, magnetic induction switch 35 can not by magnet 34 response, and signal output module 3c can not send out the signal piston 32 is in the second position state, magnetic induction switch 35 by magnet 34 response, signal output module 3c send out the signal and by control module 8 receives.

One end of the axial channel 311 is provided with a limiting seat 36 for limiting the sliding of the piston 32, and the limiting seat 36 is connected to the outer end of the shell 31 in a rotary clamping manner.

The other end of the axial passage 311 is inserted with a connecting pipe 37, and the connecting pipe 37 is provided with an external connecting thread 371 connected with a water pipe.

The outer peripheral wall of the other end of the outer shell 31 is embedded with a sealing ring 38 and two limiting steps 314 which are positioned behind the sealing ring 38 and are arranged in bilateral symmetry, two sides of the mixed water outlet end 23 of the water mixing valve 2 are provided with a concave cavity 231, the other end of the outer shell 31 is inserted into the mixed water outlet end 23 of the water mixing valve 2, and the limiting steps 314 are hidden in the concave cavity 231 and are restrained in the concave cavity 231 through a U-shaped clamping piece 232 inserted into the concave cavity 231.

The outer peripheral wall of the other end of the outer shell 31 is embedded with a sealing ring 38 and two limiting steps 314 which are positioned behind the sealing ring 38 and are arranged in a bilateral symmetry manner, the two sides of the pipe fitting opening end of the cold water inlet pipeline 5 are provided with concave cavities 51, the other end of the outer shell 31 is inserted into the pipe fitting of the cold water inlet pipeline 5, and the limiting steps 314 are hidden in the concave cavities 51 and are restrained in the concave cavities 51 through U-shaped clamping pieces 52 inserted on the concave cavities 51.

The working principle and the process of the pressurization water supply system are as follows:

the water mixing valve 2 is arranged at the water outlet channel 12 of the water pump body 1, the water inlet end 3a of the flow switch 3 is arranged at the mixed water outlet end 23 of the water mixing valve 2, and the water outlet end 3b of the flow switch 3 is communicated with the water inlet end 62 of the temperature regulating faucet 6, so that the water channel system can ensure that the booster pump can work effectively no matter the water channel system is used in winter or summer, and the water outlet temperature is proper; the operation of the water pump body 1 should first ensure that at the beginning of the operation, the pressure in the hot water outlet pipeline 52 is released, and the control module 13 of the water pump body 1 is initially triggered, and then the flow switch 3 and the water mixing valve 2 are enabled.

When the water pump is used in winter, the flow switch 3 on the water pump body 1 works normally due to large flow of the passing hot water, so that the normal work of the pressure increasing water pump can be ensured; when the solar water heater is used in summer, the water mixing valve 2 arranged on the water pump body 1 can be adjusted to a higher water temperature (such as 60 ℃) position, so that even if the water temperature in the solar water heater is 90 degrees, 60 ℃ hot water is matched with the temperature adjusting faucet 6 connected with the shower head 7 for use, the temperature adjusting faucet 6 is adjusted to a position (35 ℃) comfortable and stable for a human body, the sufficient hot water flow can be ensured to pass through the hot water inlet end 62 of the temperature adjusting faucet 6, so that the sufficient water flow can be ensured to pass through the flow switch 3 through the mixed water outlet end 23 of the water mixing valve 2, the flow switch 3 can be fully triggered, the signal output module 8 of the flow switch 3 stably outputs signals and is received by the control module 13 of the water pump body 1, and the water pump body 1 can continuously work.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.