CN113598606B

CN113598606B - Warm water drinking machine

Info

Publication number: CN113598606B
Application number: CN202110772890.8A
Authority: CN
Inventors: 钟其添
Original assignee: Guangdong Yusheng Energy Saving And Environmental Protection Equipment Co ltd
Current assignee: Guangdong Yusheng Energy Saving And Environmental Protection Equipment Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-03-15
Anticipated expiration: 2041-07-08
Also published as: CN113598606A

Abstract

The invention discloses a warm water drinking machine, which comprises a heating water liner, a warm water tank, a heat exchanger, a water storage tank, a water pump and a water inlet pipeline, wherein the heat exchanger is provided with a cold water channel and a hot water channel, the water inlet pipeline is connected with an inlet of the cold water channel, an outlet of the cold water channel is connected with the water storage tank through a water supplementing pipeline, the water storage tank is connected with the heating water liner through a water adding pipeline, the heating water liner is connected with an inlet of the hot water channel through a hot water pipeline, an outlet of the hot water channel is connected with the warm water tank through the warm water pipeline, the warm water tank is connected with the heating water liner through a first circulating pipeline, the water adding pipeline is provided with a water adding valve, the water pump is arranged on the hot water pipeline, the first circulating pipeline is provided with a first circulating water valve, the water adding pipeline is provided with a water adding valve, and the water inlet pipeline is provided with a water inlet valve. The mixing of tap water and plain boiled water in the heating water liner can be effectively avoided, and the energy-saving effect is achieved; the water temperature in the warm water tank is maintained by heating the heat in the water liner, and the structure is simpler.

Description

Warm water drinking machine

Technical Field

The invention relates to the field of water dispensers, in particular to a warm water dispenser.

Background

The prior water dispenser is suitable for various places, such as schools, companies, markets and the like, and the figure of the water dispenser can be seen frequently. The traditional water dispenser has single function, can only supply hot water or cold water independently, and cannot meet the requirements of some scenes needing warm water. Although some water dispensers capable of discharging warm water are available in the market, the warm water is supplied by storing and cooling hot water through a warm water tank, or by exchanging heat between hot water and supplied tap water through a heat exchanger. The prior warm water drinking machine has the following problems in the using process: when the heat exchanger is used, the cold water side and the hot water side both need water to flow, so that the phenomenon that the hot water and the tap water are mixed and the water quality of the warm water tank is influenced can be caused by the fact that the hot water is supplied to the warm water tank while the tap water replenishes the heating water tank; along with long-time placing, the temperature in the warm water tank can reduce, and current technique can install electric heating element additional in the warm water tank and maintain the temperature of warm water, can increase the consumption of water dispenser like this to there is certain potential safety hazard, because people can directly get water from the warm water tank during the use, so there is the condition of electrocution.

Disclosure of Invention

The invention aims to provide a warm water dispenser, which aims to solve one or more technical problems in the prior art and at least provides a beneficial choice or creation condition.

The technical scheme adopted for solving the technical problems is as follows:

the invention provides a warm water dispenser, which comprises: heating water courage, warm water tank, heat exchanger, water storage box, water pump, inlet channel, the heat exchanger is provided with cold water passageway and hot water passageway, inlet channel and cold water passageway's access connection, cold water passageway's export is passed through moisturizing pipeline and is connected with the water storage box, the water storage box passes through the water feeding pipeline and is connected with the heating water courage, the heating water courage pass through hot water pipeline with the access connection of hot water passageway, the export of hot water passageway is passed through warm water pipeline and is connected with warm water tank, warm water tank is connected with the heating water courage through first circulating line, the water feeding pipeline installs the valve that adds water, the water pump is installed on hot water pipeline, first circulating line installs first circulation valve, the inlet channel installs the water intaking valve.

The invention has the beneficial effects that: when in use, the warm water drinking machine is connected with an external tap water pipeline through a water inlet pipeline. After tap water is heated to boiling through the heating water liner, under the operation of the water pump, plain boiled water in the heating water liner sequentially enters the warm water tank through the hot water pipeline, the hot water channel and the warm water pipeline, meanwhile, the water inlet valve is opened, the tap water enters the water storage tank through the water inlet pipeline, the cold water channel and the water supplementing pipeline, the plain boiled water and the tap water exchange heat in the heat exchanger at the moment, the high-temperature plain boiled water is changed into warm water and then enters the warm water tank, the tap water is preheated by the heat exchanger and then enters the water storage tank for storage, under the condition that the operation of the heat exchanger is kept, the tap water and the plain boiled water can be effectively prevented from being mixed in the heating water liner, and the tap water entering the water storage tank can absorb a part of heat of the plain boiled water, so that the energy-saving effect is achieved; after the warm water tank is filled with water, the water filling valve is opened, and tap water in the water storage tank is added into the heating water container for heating; and still can open first circulation water valve, under the operation of water pump, the hot water in the hot water tank mixes the back with the hot water in the heating water courage, takes back in the hot water tank again, maintains the temperature of the water in the hot water tank through the heat in the heating water courage, and is simpler in structure, need not the heating element of other peripheral hardware, only rely on original pipeline part can.

As a further improvement of the technical scheme, a water level monitoring device and a temperature detection device are arranged in the warm water tank.

The water level monitoring device in the scheme mainly detects the water level in the warm water tank, when the water level in the warm water tank is lower than a set low water level value, the water pump is started, hot water in the heating water liner is added into the warm water tank, the water inlet valve is also opened at the moment, the hot water is cooled through the heat exchanger, and when the water level in the warm water tank is increased to the set high water level value, the water pump stops running; and the temperature detection device is mainly used for detecting the water temperature in the warm water tank, when the water temperature in the warm water tank is lower than a set low temperature value, the first circulating water valve is opened, the water pump is started, and the warm water tank and the water in the heating water liner are subjected to mixed circulation until the water temperature reaches the set high temperature value.

As a further improvement of the technical scheme, the warm water drinking machine further comprises a casing, wherein the heating water container, the warm water tank, the heat exchanger, the water storage tank and the water pump are all installed in the casing, two damping fixing seats are arranged in the casing, the damping fixing seats are provided with damping fixing grooves, the heating water container and the water pump are sleeved in the damping fixing grooves one by one, annular adjusting gaps are formed between the inner walls of the damping fixing grooves and the peripheral walls of the heating water container and the water pump respectively, and damping mechanisms used for reducing vibration of the heating water container and the water pump are arranged in the adjusting gaps.

Because in the process of the operation of the water dispenser, the operation of the heating water container and the water pump can vibrate, along with the use time, the vibration can lead to the phenomenon that the pipeline in the water dispenser is loosened, thereby water leakage is easy to occur, and the service life of the water dispenser is influenced.

Specifically, last two at least fixed shock-absorbing structure that include along adjusting clearance interval and set up of damper fixes through two at least fixed shock-absorbing structure around each shock attenuation fixed slot.

As the further improvement of above-mentioned technical scheme, fixed shock-absorbing structure is including setting up fixed fore-set, the shock attenuation elastic component of adjusting pipe in adjusting hole, adjusting pipe, slidable ground cover on shock attenuation fixed slot lateral wall are located to fixed fore-set, the both ends of fixed fore-set divide into conflict end and free end, on two shock attenuation fixing bases conflict the end passes behind the adjusting pipe respectively with the periphery wall of heating water courage, water pump is contradicted the periphery of conflict end is provided with spacing step, the both ends of shock attenuation elastic component are close to with spacing step, adjusting pipe respectively the one end of conflict end is contradicted.

The fixed damping structure in the scheme is clamped and fixed through the fixed ejection columns, specifically, under the elastic action of the damping elastic component, the abutting ends of the fixed ejection columns are pushed to press the peripheral walls of the heating water container and the water pump, the heating water container and the water pump are tightly pressed and fixed in the damping fixing grooves under the compression of the fixed ejection columns, and the vibration of the heating water container and the water pump in operation can be reduced due to the elastic recovery characteristic of the damping elastic component; in addition, the elasticity of the damping elastic component can be degraded along with the use time, the elasticity of the damping elastic component can be adjusted by rotating the adjusting pipe and adjusting the position of the adjusting pipe in the adjusting hole, and the clamping force can be improved by rotating the adjusting pipe according to the installation requirement.

As a further improvement of the technical scheme, the heat exchanger is provided with a water inlet cavity, a water outlet cavity and a heat exchange cavity arranged between the water inlet cavity and the water outlet cavity, the heat exchange cavity is provided with a plurality of heat exchange tubes, two ends of each heat exchange tube are respectively communicated with the water inlet cavity and the water outlet cavity, the heat exchange cavity is provided with a shell pass inlet and a shell pass outlet, a lifting seat is arranged in the water inlet cavity in a vertically sliding manner and divides the water inlet cavity into a closed cavity and a through cavity which are arranged vertically, one side of the lifting seat close to the heat exchange cavity is provided with a baffle plate, the baffle plate is used for plugging one end of the heat exchange tubes communicated with the closed cavity, an elastic piece is arranged in the closed cavity, the upper end and the lower end of the elastic piece are respectively connected with the top of the closed cavity and the top of the lifting seat, the water inlet cavity is provided with a tube pass inlet communicated with the through cavity, the water outlet cavity is provided with a tube pass outlet.

The heat exchanger in this scheme adopts shell-and-tube heat exchanger, but the shell-and-tube heat exchanger of this scheme is different with traditional, the heat exchanger of this scheme has the effect of buffering pressure release, it is changeable mainly to consider the pipeline operating mode in the water dispenser, water pressure in the pipeline can be along with the operation of heating water courage and water pump and become, the water pressure in the pipeline highly compressed condition appears suddenly easily, water pressure is too high, and along with the time of using, can leak or the phenomenon of heat exchange tube booster appears easily to the inside very big damage that causes of heat exchanger. The heat exchanger in the scheme comprises a shell which is communicated from left to right, two tube plates which are respectively fixed at the left end and the right end of the shell, two end covers which are respectively covered on the outer sides of the two tube plates, and a plurality of heat exchange tubes which are arranged in the shell, wherein the tube plates are provided with tube holes which are in one-to-one correspondence with the heat exchange tubes, the two ends of each heat exchange tube are respectively connected with the tube holes on the two tube plates, a heat exchange cavity is formed in the shell, the side wall of the shell is provided with a shell pass inlet and a shell pass outlet which are respectively an inlet and an outlet of the cold water channel, a cavity is arranged between each end cover and the tube plate, the two end covers are divided into a water inlet end cover and a water outlet end cover, the two cavities are also divided into a water inlet cavity and a water outlet cavity, a baffle is tightly attached to the tube plates and used for plugging the tube holes in the closed cavity, and the water inlet end cover is provided with a tube pass inlet communicated with the through cavity, the water outlet end cover is provided with a tube pass outlet communicated with the water outlet cavity, and the tube pass inlet and the tube pass outlet are respectively an inlet and an outlet of the hot water channel.

The heat exchanger sets up the elastic component and goes up and down the seat and cushion the pressure release in the intake chamber, when hot water got into in lining up the cavity from the tube side import, if hydrothermal pressure is too high, water pressure can promote the lift seat and up move, the elastic component is just compressed, at this moment, the volume that link up the cavity is just grow, hot water after having gone up the pressure reduction in lining up the cavity, reentrant and the heat exchange tube that link up the cavity intercommunication, and the running water gets into in the shell side from the shell side import, carry out the heat exchange with hot water again, later come out from the shell side export, and hot water enters into the water cavity behind the heat exchange tube, because baffle shutoff the tube hole in the closed cavity, at this moment hot water can not flow backward to the closed cavity, hot water can flow out from the tube side export, this also plays automatically regulated's effect to the heat transfer power of heat exchanger.

As a further improvement of the technical scheme, a plurality of baffle plates are arranged in the heat exchange cavity at intervals left and right, and two adjacent baffle plates are arranged in a vertically staggered manner. The baffle plates can form a baffling channel in the shell pass, so that the heat exchange efficiency of tap water and hot water is improved.

As a further improvement of the above technical scheme, the lift seat is connected with adjustment mechanism, adjustment mechanism includes lift drive unit, lift drive unit is provided with flexible extension's actuating lever, the slide opening that link up from top to bottom is provided with to the lift seat, down pass from last the lower extreme of actuating lever the slide opening, the lower extreme of actuating lever is provided with the conflict step of contradicting with the lift seat bottom, the slide opening is with the sealed sliding fit of actuating lever.

Considering the adaptability of the heat exchanger and the control of the temperature of the warm water, the scheme is provided with the adjusting mechanism for adjusting the initial position of the lifting seat, namely adjusting the volume of the through cavity and the elasticity of the elastic part, specifically, when the driving rod moves upwards, the driving rod pulls the lifting seat to slide upwards through the abutting steps, the elastic part is compressed, the elasticity is increased, the volume of the through cavity is increased, the highest water pressure of a pipeline is increased, the number of heat exchange tubes communicated with the through cavity is correspondingly increased, the heat exchange area of the hot water and the tap water is increased, and the temperature of the warm water coming out of the heat exchanger is increased; this can also interlock with the operating power of water pump, and along with operating duration, the actual operating power of water pump can reduce, and both rated water pressure can reduce, and the seat just moves up correspondingly, increases the volume of link up the cavity, improves the heat exchange efficiency of heat exchanger.

As a further improvement of the above technical solution, the elastic member is a buffer spring, and the buffer spring is sleeved on the periphery of the driving rod. Elastic component adopts buffer spring in this scheme to on the actuating lever was located to the buffer spring cover, the actuating lever played the effect of location direction to buffer spring, avoided the slope.

The warm water drinking machine comprises a water tank, a warm water tank, a hot water channel, a first circulating pipeline, a second circulating pipeline, a warm water valve, a first circulating pipeline, a second circulating pipeline, a warm water tank, a water storage tank, a water inlet of the cold water channel, a first circulating pipeline, a second circulating pipeline, a warm water valve, a first circulating water valve and a warm water tank.

When the pipeline of the water dispenser needs to be disinfected and sterilized, the first circulating water valve and the water inlet valve are closed, the second circulating water valve and the water adding valve are opened, and the water pump is started, so that high-temperature hot water in the heating water liner can circularly flow in the whole pipeline of the water dispenser, and comprehensive disinfection and sterilization can be performed.

As a further improvement of the technical scheme, the water inlet pipeline is provided with a water purifier. In order to further improve the water quality of the water dispenser, the scheme is that the water purifier is arranged on the water inlet pipeline to purify the tap water, the purified water enters the heat exchanger, and meanwhile, the heat exchanger is protected, and the corrosion of other impurities is reduced.

As a further improvement of the technical scheme, the hot water pipeline is provided with a drainage pipeline which is connected to the outlet side of the water pump, and the drainage pipeline is provided with a drainage valve.

If the water dispenser is placed for a long time, and the internal pipeline needs to change water when water is still available, the scheme completely discharges the old water in the pipeline by opening the drain valve and the first circulating water valve under the operation of the water pump, and then new water is added, so that the water changing function is realized.

As a further improvement of the technical scheme, the warm water tank is connected with a water outlet pipeline, the water outlet pipeline is provided with a water outlet valve, the water outlet pipeline is provided with a water outlet nozzle, the water outlet nozzle is provided with an infrared remote sensor, and the water outlet valve is an electric valve. The relative position of drinking cup and faucet is responded to this scheme accessible infrared ray remote sensing ware to control the switch of outlet valve, thereby realize the water intaking of contactless.

Drawings

The invention is further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic view of a pipeline connection of an embodiment of a warm water dispenser provided by the present invention;

fig. 2 is a schematic view of water flow of a warm water dispenser according to an embodiment of the present invention when water is added to a warm water tank (normal operation mode);

fig. 3 is a schematic view of water flow when a warm water tank and a heating water liner of an embodiment of the warm water dispenser are mixed (heat preservation mode);

FIG. 4 is a schematic water flow diagram of a sterilization mode of the warm water dispenser according to an embodiment of the present invention;

FIG. 5 is a schematic water flow diagram of a water change mode of an embodiment of the warm water dispenser according to the present invention;

FIG. 6 is an exploded view of one embodiment of the heat exchanger provided by the present invention;

FIG. 7 is a cross-sectional view of one embodiment of a heat exchanger provided by the present invention;

FIG. 8 is a schematic view of a fixed structure of an embodiment of the heating water tank according to the present invention;

fig. 9 is a partial sectional view of a portion a in fig. 8.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 9, the warm water dispenser of the present invention is made as follows:

as shown in fig. 1 and 8, the warm water dispenser of the present embodiment includes a housing 700, a heating water tank 100 installed in the housing 700, a warm water tank 200, a heat exchanger 300, a water storage tank 400, a water pump 500, and a water inlet pipe 600.

Wherein the heat exchanger 300 is provided with a cold water channel and a hot water channel, in particular: as shown in fig. 6 and 7, the heat exchanger 300 of the present embodiment includes a casing 310 penetrating left and right, two tube plates 320 fixed to left and right ends of the casing 310, two end caps respectively covering outer sides of the two tube plates 320, and a plurality of heat exchange tubes 330 disposed in the casing 310, wherein the tube plates 320 are provided with tube holes corresponding to the plurality of heat exchange tubes 330 one to one, two ends of the heat exchange tubes 330 are connected to the tube holes of the two tube plates 320, a shell side inlet 311 and a shell side outlet 312 are disposed on a side wall of the casing 310, the shell side inlet 311 and the shell side outlet 312 are an inlet and an outlet of the cold water channel, a chamber is disposed between the end cap and the tube plate 320, the two end caps are divided into a water inlet end cap 340 and a water outlet end cap 350, the two chambers are also divided into a water inlet chamber 360 and a water outlet chamber 370, the water inlet end cap 340 is provided with a tube side inlet 341 communicated with the water inlet chamber 360, the outlet end cap 350 is provided with a tube-side outlet 351 communicated with the outlet chamber 370, and the tube-side inlet 341 and the tube-side outlet 351 are respectively an inlet and an outlet of the hot water channel.

And the inlet pipe 600 is connected with the inlet of the cold water channel, the outlet of the cold water channel is connected with the water storage tank 400 through the water replenishing pipe 410, the water storage tank 400 is connected with the heating water container 100 through the water adding pipe 420, the heating water container 100 is connected with the inlet of the hot water channel through the hot water pipe 110, the outlet of the hot water channel is connected with the warm water tank 200 through the warm water pipe 210, the warm water tank 200 is connected with the heating water container 100 through the first circulating pipe 220, the water pump 500 is installed on the hot water pipe 110, the first circulating pipe 220 is provided with the first circulating water valve 221, the water adding valve 421 is installed on the water adding pipe 420, and the water inlet valve 610 is installed on the inlet pipe 600.

When the water dispenser is used, the warm water dispenser is connected with a peripheral tap water pipeline through the water inlet pipeline 600, the water purifier 620 is installed on the water inlet pipeline 600 in order to improve the water quality of the water dispenser and protect the heat exchanger 300, and purified water enters the heat exchanger 300.

As shown in fig. 2, in the normal operation mode, after the tap water is heated to be boiled by the heating water tank 100, under the operation of the water pump 500, the plain boiled water in the heating water tank 100 sequentially enters the warm water tank 200 through the hot water pipe 110, the hot water passage and the warm water pipe 210, and at the same time, the water inlet valve 610 is opened, the tap water enters the water storage tank 400 through the water inlet pipe 600, the cold water passage and the water replenishing pipe 410, and at this time, the plain boiled water and the tap water exchange heat in the heat exchanger 300, the high-temperature plain boiled water becomes warm water and then enters the warm water tank 200, and the tap water enters the water storage tank 400 for storage after being preheated, so that in the state that the heat exchanger 300 is kept in operation, the tap water and the plain boiled water can be effectively prevented from being mixed in the heating water tank 100, and the tap water entering the water storage tank 400 can absorb a part of heat of the plain boiled water, thereby achieving the energy-saving effect. After the water is added to the warm water tank 200, the water adding valve 421 is opened, and the tap water in the water storage tank 400 is added to the heating water tank 100 for heating.

And, a water level monitoring device and a temperature detecting device are provided in the warm water tank 200, the water level monitoring device mainly detects the water level in the warm water tank 200, when the water level in the warm water tank 200 is lower than a set low water level value, the water pump 500 is started to add the hot water in the heating water tank 100 into the warm water tank 200, and at this time, the water inlet valve 610 is also opened, the hot water is cooled by the heat exchanger 300, and when the water level in the warm water tank 200 is increased to the set high water level value, the water pump 500 stops operating, the water level monitoring device in this embodiment mainly includes a high water level sensor and a low water level sensor which are arranged in the warm water tank 200 in an upper and lower manner. The water level monitoring device in this embodiment mainly includes a high water level sensor and a low water level sensor which are vertically disposed in the warm water tank 200, the temperature detection device mainly includes a temperature sensor disposed in the warm water tank 200, if the temperature of the warm water in the warm water tank 200 is lower than the set temperature, as shown in fig. 3, the first circulation water valve 221 is opened, under the operation of the water pump 500, the water in the warm water tank 200 is mixed with the hot water in the heating water bladder 100 and then pumped back into the warm water tank 200, and the water in the warm water tank 200 and the heating water bladder 100 is mixed and circulated until the water temperature reaches the set high temperature value, the water temperature in the warm water tank 200 is maintained by the heat in the heating water bladder 100, the structure is simpler, no other external heating components are needed, and only the original pipeline component is needed.

In other embodiments, the first circulation water valve 221, the water adding valve 421 and the water inlet valve 610 are all electrically operated valves, and the water level monitoring device and the temperature detecting device are connected to the main controller, and the main controller controls the opening and closing of the first circulation water valve 221, the water adding valve 421 and the water inlet valve 610, so as to realize the automatic operation of the water dispenser.

Considering that the heating water bladder 100 and the water pump 500 vibrate during the operation of the water dispenser, and the vibration may cause the pipe inside the water dispenser to loosen with the use time, thereby affecting the service life of the water dispenser, as shown in fig. 8, in this embodiment, two damping fixing seats 710 are provided in the housing 700, the damping fixing seats 710 are provided with damping fixing grooves 711, the heating water bladder 100 and the water pump 500 are respectively sleeved in the two damping fixing grooves 711, annular adjusting gaps 720 are provided between the inner walls of the two damping fixing grooves 711 and the outer peripheral walls of the heating water bladder 100 and the water pump 500, at least three fixing damping structures are provided on the adjusting gaps 720 at annular intervals, when the water dispenser is installed, the heating water bladder 100 and the water pump 500 are sequentially installed in the damping fixing grooves 711 on the two damping fixing seats 710, and is fixed by at least three fixing shock-absorbing structures around each shock-absorbing fixing groove 711.

As shown in fig. 9, the fixing and damping structure of this embodiment includes an adjusting hole 712 disposed on a sidewall of a damping fixing groove 711, an adjusting pipe 713 screwed into the adjusting hole 712, a fixing post 714 slidably sleeved in the adjusting pipe 713, and a damping elastic member 715, wherein two ends of the fixing post 714 are divided into a contact end and a free end, the contact ends of the two damping fixing bases 710 respectively contact with the outer peripheral walls of the heating water tank 100 and the water pump 500 after passing through the adjusting pipe 713, a limit step 716 is disposed on an outer periphery of the contact end, two ends of the damping elastic member 715 respectively contact with the limit step 716 and one end of the adjusting pipe 713 near the contact end, the contact end of the fixing post 714 is pushed to press the outer peripheral walls of the heating water tank 100 and the water pump 500 under the elastic action of the damping elastic member 715, and the heating water tank 100 and the water pump 500 are fixed in the damping fixing groove 711 under the pressing action of the fixing posts 714, the elastic recovery characteristic of the shock-absorbing elastic member 715 can reduce the vibration of the heating water bladder 100 and the water pump 500 in operation; further, the elastic force of the shock-absorbing elastic member 715 is degraded with time, the elastic force of the shock-absorbing elastic member 715 is adjusted by rotating the adjustment tube 713, adjusting the position of the adjustment tube 713 within the adjustment hole 712, and the clamping force can be increased by rotating the adjustment tube 713 according to the installation requirement.

In order to facilitate adjustment, the outer end of the adjusting tube 713 in this embodiment extends out of the adjusting hole 712, and a nut seat is disposed at the outer end of the adjusting tube 713, so that people can rotate the adjusting tube 713 through the nut seat, and the operation is convenient.

The shock-absorbing elastic member 715 in this embodiment is a spring, and may be another elastic member in other embodiments.

Further, the shell-and-tube heat exchanger of this embodiment is different from the conventional one, as shown in fig. 6 and 7, a lifting seat 361 is slidably installed in the water inlet chamber 360 up and down, the lifting seat 361 divides the water inlet chamber 360 into a closed cavity 362 and a through cavity 363 which are vertically arranged, a baffle 364 is disposed on one side of the lifting seat 361 close to the tube sheet 320, the baffle 364 is tightly attached to the tube sheet 320, the baffle 364 is used for blocking the tube hole in the closed cavity 362, an elastic member is disposed in the closed cavity 362, the upper end and the lower end of the elastic member are respectively connected to the top of the closed cavity 362 and the top of the lifting seat 361, and the tube pass inlet 341 is communicated with the through cavity 363.

In this embodiment, mainly considering that the working conditions of the pipeline in the water dispenser are variable, the water pressure in the pipeline is changed along with the operation of the water heating liner 100 and the water pump 500, the water pressure in the pipeline is easily suddenly high, the water pressure is too high, the water heating liner 300 is greatly damaged along with the use time, and the phenomenon of water leakage or pipe explosion of the heat exchange pipe 330 is easily caused, so that the elastic member and the lifting seat 361 are arranged in the water inlet chamber 360 for buffering and pressure relief, when hot water enters the through cavity 363 from the pipe pass inlet 341, if the pressure of the hot water is too high, the water pressure pushes the lifting seat 361 to move upwards, the elastic member is compressed, the volume of the through cavity 363 is increased, the hot water is depressurized in the through cavity 363 and then enters the heat exchange pipe 330 communicated with the through cavity 363, and tap water enters the shell pass from the shell pass inlet 311 for heat exchange with the hot water, and then the hot water flows out from the shell-side outlet 312, passes through the heat exchange tube 330 and enters the water outlet chamber 370, and because the baffle 364 blocks the tube hole in the closed cavity 362, the hot water does not flow back to the closed cavity 362, and the hot water flows out from the tube-side outlet 351, which also has the effect of automatically adjusting the heat exchange power of the heat exchanger 300.

Wherein the lift seat 361 of this embodiment is slidable seal installation in water inlet cavity 360, in order to avoid leaking, can establish the slip sealing circle at lift seat 361's cover all around, lift seat 361's shape and the adaptation of water inlet cavity 360, the water inlet cavity 360 of this embodiment is three-dimensional rectangle, and the design of the lift seat 361 of mainly being convenient for reduces the degree of difficulty of making.

Meanwhile, in consideration of the adaptability of the heat exchanger 300 and the control of the warm water temperature, the lifting seat 361 of the present embodiment is connected with an adjusting mechanism, the adjusting mechanism includes a lifting driving unit 380, the lifting driving unit 380 is provided with a driving rod 381 extending telescopically, the lifting seat 361 is provided with a sliding hole penetrating up and down, the lower end of the driving rod 381 penetrates through the sliding hole from top to bottom, the lower end of the driving rod 381 is provided with a collision step 382 colliding with the bottom of the lifting seat 361, the sliding hole is in sealed sliding fit with the driving rod 381, the initial position of the lifting seat 361 is adjusted by the adjusting mechanism, namely, the volume of the penetrating cavity 363 and the elastic force of the elastic member are adjusted, specifically, when the driving rod 381 moves upwards, the driving rod 381 pulls the lifting seat 361 to slide upwards through the collision step 382, and the elastic member is compressed and the elastic force is increased, the volume of the through cavity 363 is increased, the highest water pressure of the pipeline is increased, the number of the heat exchange tubes 330 communicated with the through cavity 363 is correspondingly increased, the heat exchange area of hot water and tap water is increased, and the temperature of warm water from the heat exchanger 300 is increased; this can also interlock with the operating power of water pump 500, and along with operating time, the actual operating power of water pump 500 can reduce, and rated water pressure can reduce, and corresponding lifting seat 361 just moves upward, increases the volume of link-up chamber 363, improves the heat exchange efficiency of heat exchanger 300.

The lifting driving unit 380 of this embodiment is an electric push rod member, and in other embodiments, it may be a linear driving structure such as a hydraulic rod or an air cylinder. The driving rod 381 is a telescopic rod of the electric push rod member, and the electric push rod member can be connected with the main controller to realize automatic control.

The elastic member of this embodiment is a buffer spring 390, and the buffer spring 390 is sleeved on the outer circumference of the driving rod 381. The elastic component adopts buffer spring 390 in this scheme to on buffer spring 390 cover located actuating lever 381, actuating lever 381 played the effect of location direction to buffer spring 390, avoided the slope. In other embodiments, the elastic member may be a spring plate or an elastic silicone sleeve.

In order to further improve the heat exchange efficiency between tap water and hot water, a plurality of baffle plates 313 are arranged in the shell 310 at intervals from left to right, two adjacent baffle plates 313 are arranged in a vertically staggered manner, and a plurality of baffle plates 313 can form a baffling channel in the shell pass.

Furthermore, after long-term use, bacteria are easy to breed, disinfection measures such as ultraviolet lamps or high-temperature steam are generally adopted in the prior art, the disinfection measures make the structure of the water dispenser complex and make it difficult to sterilize the whole pipeline, the warm water dispenser of the embodiment further comprises a second circulation pipeline 800, one end of the second circulation pipeline 800 is connected with the inlet of the cold water channel, the other end of the second circulation pipeline 800 is connected with the first circulation pipeline 220, a second circulation water valve 810 is installed on the second circulation pipeline 800, the joint of the second circulation pipeline 800 and the first circulation pipeline 220 is arranged between the first circulation water valve 221 and the warm water tank 200, as shown in fig. 4, when the pipeline of the water dispenser needs to be sterilized, the first circulation water valve 221 and the first circulation water valve 610 are closed, the second circulation water valve 810 and the water inlet valve 421 are opened, the water pump 500 is started to make the high-temperature hot water in the heating water liner 100 circularly flow in the whole pipeline of the water dispenser to perform comprehensive disinfection and sterilization.

The second water circulation valve 810 can also be an electric valve and is electrically connected with the main controller, so that automatic control is realized.

If the water dispenser is placed for a long time and the internal pipeline needs to be changed when water is still available, the hot water pipeline 110 of the embodiment is provided with the water drainage pipeline 111, the water drainage pipeline 111 is connected to the outlet side of the water pump 500, the water drainage pipeline 111 is provided with the water drainage valve 112, as shown in fig. 5, by opening the water drainage valve 112 and the second circulation water valve 810, all the old water in the pipeline is drained under the operation of the water pump 500, and then new water is added, so that the function of completely changing water is realized.

In addition, the warm water tank 200 is connected with an outlet pipe 230, the outlet pipe 230 is provided with an outlet valve 231, the outlet pipe 230 is provided with an outlet nozzle, the outlet nozzle is provided with an infrared remote sensor, and the outlet valve 231 is an electric valve. This scheme accessible infrared remote sensor responds to the relative position of drinking cup and faucet, in order to control the switch of outlet valve 231, thereby realize the water intaking of exempting from the contact, wherein the setting of infrared remote sensor can be decided according to the mounting structure of reality, can set up in the side of faucet, and set up down, make the below of faucet be formed with the induction zone of drinking water instrument, when infrared remote sensor detects to get the drinking water instrument and has been in the induction zone, main control unit control outlet valve 231 is opened, when the drinking water instrument breaks away from the induction zone, outlet valve 231 is closed immediately.

Therefore, the medium temperature water dispenser in the embodiment has the advantages of circular heat preservation, full pipeline disinfection and sterilization, non-contact water taking, thorough water change, stable pressure operation, energy conservation and the like.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims

1. A warm water drinking machine is characterized in that: it includes: the water heater comprises a heating water liner (100), a warm water tank (200), a heat exchanger (300), a water storage tank (400), a water pump (500) and a water inlet pipeline (600), wherein the heat exchanger (300) is provided with a cold water channel and a hot water channel, the water inlet pipeline (600) is connected with an inlet of the cold water channel, an outlet of the cold water channel is connected with the water storage tank (400) through a water supplementing pipeline (410), the water storage tank (400) is connected with the heating water liner (100) through a water adding pipeline (420), the heating water liner (100) is connected with an inlet of the hot water channel through a hot water pipeline (110), an outlet of the hot water channel is connected with the warm water tank (200) through a warm water pipeline (210), the warm water tank (200) is connected with the heating water liner (100) through a first circulating pipeline (220), the water pump (500) is installed on the hot water pipeline (110), the first circulating pipeline (220) is provided with a first circulating water valve (221), the water feeding pipeline (420) is provided with a water feeding valve (421), and the water inlet pipeline (600) is provided with a water inlet valve (610);

the heat exchanger (300) is provided with a water inlet chamber (360), a water outlet chamber (370) and a heat exchange chamber arranged between the water inlet chamber (360) and the water outlet chamber (370), the heat exchange chamber is provided with a plurality of heat exchange tubes (330), two ends of each heat exchange tube (330) are respectively communicated with the water inlet chamber (360) and the water outlet chamber (370), the heat exchange chamber is provided with a shell pass inlet (311) and a shell pass outlet (312), a lifting seat (361) is installed in the water inlet chamber (360) in a vertically sliding manner, the lifting seat (361) divides the water inlet chamber (360) into a closed cavity (362) and a through cavity (363) which are vertically arranged, a baffle (364) is arranged on one side of the lifting seat (361) close to the heat exchange chamber, and the baffle (364) is used for blocking one end of the heat exchange tubes (330) communicated with the closed cavity (362), an elastic piece is arranged in the closed cavity (362), the upper end and the lower end of the elastic piece are respectively connected with the top of the closed cavity (362) and the top of the lifting seat (361), the water inlet cavity (360) is provided with a tube pass inlet (341) communicated with the through cavity (363), and the water outlet cavity (370) is provided with a tube pass outlet (351);

the lift seat is connected with adjustment mechanism, adjustment mechanism includes lift drive unit, lift drive unit is provided with flexible actuating lever that extends, the slide opening that link up from top to bottom is provided with to the lift seat, the lower extreme of actuating lever is from last down passing the slide opening, the lower extreme of actuating lever is provided with the conflict step of contradicting with the lift seat bottom, slide opening and the sealed sliding fit of actuating lever.

2. The warm water dispenser according to claim 1, characterized in that: the warm water dispenser further comprises a machine shell (700), the heating water container (100), the warm water tank (200), the heat exchanger (300), the water storage tank (400) and the water pump (500) are all installed in the machine shell (700), two damping fixing seats (710) are arranged in the machine shell (700), the damping fixing seats (710) are provided with damping fixing grooves (711), the heating water container (100) and the water pump (500) are sleeved with the damping fixing grooves (711) one by one, annular adjusting gaps (720) are formed between the inner walls of the damping fixing grooves (711) and the outer peripheral walls of the heating water container (100) and the water pump (500), and damping mechanisms used for reducing vibration of the heating water container (100) and the water pump (500) are arranged in the adjusting gaps (720).

3. The warm water dispenser according to claim 2, characterized in that: the shock absorption mechanism comprises at least two fixed shock absorption structures arranged at intervals along the adjusting gap (720).

4. The warm water dispenser of claim 3, characterized in that: fixed shock-absorbing structure includes shock attenuation elastic component (715), sets up regulation hole (712), fixed fore-set (714) of locating in regulation pipe (713) slidable cover in regulation hole (712) on shock attenuation fixed slot (711) lateral wall, the both ends of fixed fore-set (714) are divided into to be supported end and free end, on two shock attenuation fixing bases (710) the support end respectively with the periphery wall of heating water courage (100), water pump (500) is contradicted, and in regulation pipe (713) was located to free end slidable cover the periphery of support end is provided with spacing step (716), the both ends of shock attenuation elastic component (715) are close to with spacing step (716), regulation pipe (713) respectively the one end of support end is contradicted.

5. The warm water dispenser according to claim 1, characterized in that: a plurality of baffle plates (313) which are arranged in the heat exchange cavity at intervals left and right, and two adjacent baffle plates (313) are arranged in a vertically staggered manner.

6. The warm water dispenser according to claim 1, characterized in that: the warm water dispenser further comprises a second circulating pipeline (800), one end of the second circulating pipeline (800) is connected with an inlet of the cold water channel, the other end of the second circulating pipeline (800) is connected with the first circulating pipeline (220), a second circulating water valve (810) is installed on the second circulating pipeline (800), and the joint of the second circulating pipeline (800) and the first circulating pipeline (220) is arranged between the first circulating water valve (221) and the warm water tank (200).

7. The warm water dispenser of claim 6, characterized in that: hot water pipeline (110) are provided with drainage pipe (111), drainage pipe (111) are connected in the outlet side of water pump (500), drainage pipe (111) are provided with drain valve (112).

8. The warm water dispenser according to claim 1, characterized in that: the water inlet pipeline (600) is provided with a water purifier (620).

9. The warm water dispenser according to claim 1, characterized in that: the warm water tank (200) is connected with outlet conduit (230), outlet valve (231) are installed in outlet conduit (230), outlet conduit (230) are provided with the faucet, the infrared remote sensing ware is installed to the faucet, outlet valve (231) are the motorised valve.