CN211212682U

CN211212682U - Direct drinking water equipment and drinking water system

Info

Publication number: CN211212682U
Application number: CN201921608668.9U
Authority: CN
Inventors: 王星
Original assignee: Shenzhen Gaomeng Technology Co ltd
Current assignee: Shenzhen Gaomeng Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-11
Anticipated expiration: 2029-09-25

Abstract

The embodiment of the utility model discloses straight drinking water equipment and drinking water system. The apparatus comprises: the water tank is used for heating drinking water, a water outlet and a first backflow port are arranged on the top surface of the water tank at intervals, a water inlet and a second backflow port are arranged on two opposite side surfaces of the water tank, and the water inlet is connected with a water supply device; the top surface of the water tank is arranged between the top and the bottom of the balance water tank, the first return port is communicated to the top of the balance water tank through a condensing pipe, and the bottom of the balance water tank is communicated to the second return port through a return pipe; a first water level sensor arranged in the balance water tank loop and a second water level sensor arranged in the water tank; and the control main board is used for controlling the water feeding of the water supply equipment to the water inlet according to the water levels sensed by the first water level sensor and the second water level sensor. This embodiment is through setting up balanced water tank, and the water pressure in the balanced water tank prevents the booster, and the accuracy of sensing is improved through setting up a plurality of water level sensors in balanced water tank return circuit and water pitcher simultaneously.

Description

Direct drinking water equipment and drinking water system

Technical Field

The embodiment of the utility model provides a relate to the water dispenser technique, especially relate to a straight drinking water equipment and drinking water system.

Background

At present, the water dispenser is more and more widely applied to daily life of people, and the problem of inconvenience in drinking water when people go out for activities is solved.

However, most of the water dispensers do not have the automatic water replenishing function, and face a lot of problems: 1. in the use process of the direct drinking water equipment, after hot water in the water tank is pumped out, manual intervention is still needed for water inlet; 2. manual intervention cannot accurately sense the water level of the water tank, so that the problem of pipe explosion caused by excessive water inflow or the phenomenon that hot water cannot be discharged within a period of time when a user pumps water due to insufficient water inflow can be caused; 3. the risk of dry burning of the water tank exists due to the fact that water cannot be supplemented to the equipment in time.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a straight drinking water equipment and drinking water system to realize water pressure and automatic water supply in the balanced water jar.

In a first aspect, an embodiment of the present invention provides a direct drinking water device, which includes:

the water tank is used for heating drinking water, a water outlet and a first backflow port are arranged on the top surface of the water tank at intervals, a water inlet and a second backflow port are arranged on two opposite side surfaces of the water tank, and the water inlet is connected with water supply equipment;

the top surface of the water tank is arranged between the top and the bottom of the balance water tank, the first return port is communicated to the top of the balance water tank through a condensation pipe, and the bottom of the balance water tank is communicated to the second return port through a return pipe;

a first water level sensor arranged in the balance water tank loop and a second water level sensor arranged in the water tank;

and the control main board is used for controlling the water supply of the water supply equipment to the water inlet according to the water levels sensed by the first water level sensor and the second water level sensor.

Optionally, the number of the first water level sensors and the number of the second water level sensors are respectively 3, and the first water level sensors and the second water level sensors are respectively located at the same horizontal positions of the bottom, the middle and the top of the water tank and the balance water tank loop.

Optionally, the control main board includes:

the electric control board is connected with the first water level sensor and the second water level sensor and used for reading sensing data of the first water level sensor and the second water level sensor;

a communication module, the communication module comprising:

the first communication interface is used for being connected to the electric control board so as to receive the sensing data;

the antenna interface is used for receiving control signals and data sent by an external server through a connected antenna;

the communication chip is connected with the first communication interface and the antenna interface and controls the water supply equipment to supply water to the water inlet according to the sensing data.

Optionally, the communication module further includes a second communication interface, the direct drinking water apparatus further includes:

the display module is connected with the second communication interface and is used for displaying one or more of the two-dimensional code, the water price, the water temperature, the advertising information and the news information;

and the loudspeaker is connected with the communication module and used for voice output of equipment and user interaction.

Optionally, the communication module further includes a power conversion module, the power conversion module is connected to the electric control board, and the power conversion module includes:

the first DC-DC power supply module receives a +24V voltage from the electric control board and converts the +24V voltage into a +5V voltage;

and the second DC-DC power supply module receives the +5V voltage provided by the first DC-DC power supply module and converts the +5V voltage into +4V voltage.

Optionally, the electric control board comprises a single chip microcomputer and is connected with the load module to realize related functions of the water dispenser;

the single chip microcomputer can control the load module according to the sensing data and/or the instruction sent by the communication module.

Optionally, the load module includes:

the relay is connected with a terminal load;

the terminal load includes:

the first electromagnetic valve is used for controlling the water inflow of the water tank;

the second electromagnetic valve is used for controlling the water outlet and the water cut-off of the water dispenser;

an ultraviolet lamp for sterilizing the water tank;

a heater for heating water in the water tank;

and the refrigerator is used for cooling the water in the water tank.

Optionally, the communication module further includes a watchdog chip connected to the communication chip.

In a second aspect, the embodiment of the present invention further provides a drinking water system, which includes the direct drinking water device and the server as described in any of the above embodiments, wherein the communication module is networked with the server in real time and keeps data synchronization.

Optionally, the drinking water system further comprises a mobile communication terminal, wherein the mobile communication terminal receives the data sent by the server and uploads the data to the server.

The embodiment of the utility model provides a through setting up balanced water tank, water pressure in the balanced water tank prevents the booster, and through setting up a plurality of water level sensors at balanced water tank return circuit and water pitcher simultaneously, confirm each other, avoid single position sensing, improve the accuracy of sensing. After the water tank is full of water, the water level sensor in the water tank can sense the water, and the water level sensor in the balance water tank can confirm the water, so that the problems of pipe burst, water leakage and the like caused by excessive water supply due to the fault of a single sensor are avoided.

Drawings

FIG. 1 is a schematic structural diagram of a direct drinking water device according to a first embodiment of the present invention;

fig. 2 is a block diagram of a circuit of a water dispenser in the first embodiment of the present invention;

fig. 3 is a block diagram of a water dispenser circuit according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a communication chip according to a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a SIM card chip in the second embodiment of the present invention;

fig. 6 is a schematic structural diagram of a watchdog chip according to a second embodiment of the present invention;

fig. 7 is a schematic structural view of a drinking water system in the third embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Fig. 1 is a schematic structural view of a direct drinking water device provided by the embodiment of the present invention. As shown in FIG. 1, the embodiment of the present invention provides a direct drinking water device, including: water tank 100, balance water tank 200, first water level sensor, second water level sensor, control mainboard.

A water tank 100 for heating drinking water, wherein a water outlet 101 and a first return port 102 are arranged on the top surface of the water tank 100 at intervals, a water inlet 103 and a second return port 104 are arranged on two opposite side surfaces of the water tank, and the water inlet 103 is connected with a water supply device;

a balance tank 200, the top surface of the water tank 100 is disposed between the top and the bottom of the balance tank 200, the first return port 102 is connected to the top of the balance tank 200 through a condensation pipe 121, and the bottom of the balance tank 200 is connected to the second return port 104 through a return pipe 122. Specifically, the balance water tank 200 is used for collecting steam generated during the heating process of the water tank 100, and the steam is condensed by the condenser pipe 121 above the water tank 100 and then enters the balance water tank 200.

The first water level sensor is arranged on the balance water tank loop; the second water level sensor is arranged in the water tank; specifically, the surge tank circuit includes a surge tank 200 and a return line 122.

A control main board for controlling the water supply of the water supply apparatus to the water inlet 103 according to the water levels sensed by the first water level sensor and the second water level sensor.

Optionally, the number of the first water level sensors and the number of the second water level sensors are 3 respectively, and the first water level sensors and the second water level sensors are respectively located at the same horizontal positions of the bottom, the middle and the top of the water tank 100 and the balanced water tank loop, that is, the first water level sensors 301 arranged at the top of the water tank and the second water level sensors 302 arranged in the balanced water tank are located at the first horizontal positions; the first water level sensor 303 arranged in the middle of the water tank and the second water level sensor 304 arranged in the middle of the balancing water tank return pipe 122 are at a second horizontal position; the first water level sensor 305 provided at the bottom of the water tank and the second water level sensor 306 provided at the bottom of the equalizing tank return pipe 122 are at the third level.

Fig. 2 is a block diagram of a control motherboard according to an embodiment of the present invention. As shown in fig. 2, an embodiment of the present invention provides a control motherboard including: the water flowmeter comprises an electric control board 1, a sensor 2, an input key 3, a water flowmeter 4, a communication module 5 and an antenna 6.

Specifically, the sensor 2 is used for detecting various states of the water dispenser to acquire sensing data of a first water level sensor and a second water level sensor; the electric control board 1 is connected with the sensor 2 and used for reading sensing data. In addition, the sensing data can be uploaded to a server through the communication module 5 and used for monitoring the state of the water dispenser in real time. Further, the communication module 5 can also send instructions to the electronic control board 1.

Specifically, the input key 3 is configured to generate an operation signal according to a touch control of a user after the device is activated. In addition, the input key 3 can be connected with a reserved universal interface of the communication module, and the communication module 5 controls the water outlet and the water cut-off of the water dispenser according to the operation signal.

Specifically, the flow meter 4 can generate pulse signals with different frequencies according to different water outlet flow rates, and is connected with the communication module 5 and used for counting water consumption; the flow meter 4 can be connected to any universal reserved interface of the communication module 5 so as to enable the communication module 5 to monitor the pulse number in real time, convert the pulse number into water consumption data through a formula, upload the water consumption data to the server 7 for statistics, and calculate corresponding cost according to the water consumption unit price. Wherein, corresponding water cost can be calculated according to different water consumption unit prices of hot water, cold water and normal temperature water respectively.

Specifically, the communication module 5 includes:

the first communication interface 51 is connected with the electronic control board 1, so that the communication module 5 receives the sensing data read by the electronic control board 1;

an antenna interface 53, configured to enable the communication module 5 to receive, through an antenna 6 connected to the antenna interface 53, a control signal and data sent by an external server 7;

and the communication chip 52 is connected with the first communication interface 51 and the antenna interface 53, and controls the water supply of the water supply equipment to the water inlet according to the sensing data.

In this embodiment, a user uses a mobile terminal, for example, a mobile phone to scan a two-dimensional code displayed or attached on a water dispenser to send a water request to a server, the server sends a control signal to the water dispenser according to the water request, and a communication chip 52 of the water dispenser can activate the water dispenser after receiving the control signal sent by the server through an antenna, so that the user can operate a corresponding input key 3, and at this time, the user can control the water dispenser to discharge water and stop water by operating the input key 3 or operating a water button on the mobile phone.

If the user operates the input key 3 to discharge water and cut off the water, the water flow meter 4 generates a metering signal according to the water consumption, the metering signal is sent to the server through the mobile network through the antenna, the server charges according to the water use quotation and the water consumption, consumption payment information is sent to a mobile phone of the user, and the charging and water use process of the whole water dispenser is completed after the user pays the fee.

If a user operates a water using button of the mobile phone to discharge water or stop water, a corresponding water discharging instruction or water stopping instruction is generated and sent to the server, the server forwards the water discharging instruction and the water stopping instruction to the water dispenser, a communication chip 52 of the water dispenser receives the water discharging instruction and the water stopping instruction which are sent by the server through an antenna to discharge water and stop water, a water flow meter 4 generates a metering signal according to the water consumption, then the communication chip 52 sends the metering signal to the server through a mobile network through the antenna, the server charges according to the water use quotation and the water consumption, consumption payment information is sent to the mobile phone of the user, and the charging water using process of the whole water dispenser is completed after the user pays.

In an alternative embodiment, when the water dispenser is installed for the first time and powered on for use, the communication chip 52 controls the water supply equipment to supply water to the water inlet according to the initialized starting instruction, and the water supply is stopped when the water supply position reaches the positions of the first water level sensor 301 arranged at the top of the water tank and the second water level sensor 302 arranged in the balance water tank.

Example two

On the basis of the first embodiment, as shown in fig. 3, a block diagram of a circuit of a water dispenser provided by the second embodiment of the present invention is shown, and the circuit of the water dispenser provided by this embodiment further includes a display module 8 and a speaker 10. The communication module 5 further includes: a second communication interface 54, a watchdog chip 55 and a power conversion module 56. In order to ensure the reliability of network connection, the communication module 5 adopts an MQTT network connection technology to keep the networking state of the water dispenser equipment and keep data synchronization with the server 7 all the time.

Specifically, as shown in fig. 4, the communication chip 52 in the embodiment of the present invention has a schematic structural diagram, specifically, the communication chip 52 has 38 pins, where pin 1, pin 15, pin 31, pin 33, pin 35, and pin 36 are grounded; the pin 24 is connected with VDDIO power supply, and one end of the parallel capacitors C25 and C25 is connected with the pin 24, and the other end is grounded. The pin 32 is connected to an antenna interface J5 and grounded; the pin 37 and the pin 38 are connected with a voltage of 4V, and are connected with capacitors C14, C15 and C16 in parallel, and are also connected with an electrolytic capacitor CE5 in parallel, wherein the anode of the electrolytic capacitor CE5 is connected with the pin 37 and the pin 38, and the other end of the electrolytic capacitor CE5 is grounded. In addition, pins 8 and 9 are connected to the first communication interface 51, and pins 28 and 27 are connected to the second communication interface 54.

Specifically, the display module 8 is connected to the second communication interface 54, and receives data sent by the communication chip 52, and is used for displaying device-related information, including one or more of two-dimensional codes, water price, water temperature, advertisement information, and news information, and also displaying device failure prompt information. In addition, the display module 8 can adopt a touch screen, and generates an electric signal through touch control so as to control the water dispenser or send data to a server.

Specifically, the speaker 10 may be connected to the communication module 5 through a reserved speaker interface of the communication module 5, and the pin 16 and the pin 17 of the reserved speaker interface and the communication chip are electrically connected to each other for voice output of device interaction with a user.

The power conversion module 56 includes: a first DC-DC power supply module 561 and a second DC-DC power supply module 562, wherein the first DC-DC power supply module 561 can receive +24V voltage from the electric control board 1 and convert the +24V voltage into +5V voltage for the display module 8 and the water flow meter 4 to use; the second DC-DC power module 562 receives the +5V voltage from the first DC-DC power module 561 and converts the +4V voltage to be used by the communication module 5. The +24V voltage of the present embodiment can be generated by receiving 220V commercial power through a power adapter circuit integrated with the electronic control board 1.

Further, the communication chip 52 may further be connected to a SIM card chip, as shown in fig. 5, which is a schematic structural diagram of the SIM card chip in the embodiment of the present invention, and includes a VCC pin, a RST pin, a CLK pin, a GND pin, a VPP pin, and an IO pin, where the GND pin is grounded; the VCC pin is connected with the pin 20 of the communication chip 52, the parallel capacitor C21 and the capacitor C22 are connected to the ground, the pin 20 of the VCC pin connected with the communication chip 52 is also connected with the capacitor C32 to the ground, and the reverse connection diode D7 is connected to the ground; the RST pin is connected with the resistor R11 firstly, then connected with the pin 21 of the communication chip 52, and is also reversely connected with the diode D6 and the capacitor C31 which are connected in parallel before being connected with the resistor R11 and are grounded, and the capacitor C31 and the diode D6 are connected in parallel; the CLK pin is connected with the pin 22 of the communication chip 52, and is also reversely connected with a diode D5 and a capacitor C30 which are connected in parallel and grounded; the IO pin is connected with the SIM _ VDD power supply after being connected with the resistor R24 in series, and is also connected with the pin 20 of the communication chip 52, and is also connected with the diode D4 and the capacitor C29 which are connected in parallel in a reverse direction and is grounded. And the data exchange with the service end 7 is realized through the SIM card.

Further, the communication module 5 further includes a watchdog chip 55, preferably a watchdog chip of EM78O153B-SOP8 model, fig. 6 is a schematic structural diagram of the watchdog chip IN the embodiment of the present invention, and as shown IN fig. 6 and fig. 4, taking the watchdog chip of EM78O153B-SOP8 model as an example, the feeding dog signal input WD _ IN end of the watchdog chip 55 is connected to the pin 10 of the communication chip 52 for receiving a feeding dog signal; the RESET signal output BB _ RESET terminal is connected to the pin 34, and outputs a RESET signal to RESET the communication chip 52; the WD _ RST terminal is connected to the pin 11 to receive the reset signal from the communication chip 52. The dog feeding signal can be input to the dog feeding watchdog chip when the communication chip 52 works normally, the dog feeding input signal can be interrupted when the communication chip works abnormally, the reset watchdog chip sends a reset signal to the communication chip 52, the communication chip 52 is enabled to reset automatically, the program is prevented from being trapped in endless loop, and loss caused by long-term error work is avoided. In addition, the communication chip 52 can send a reset signal to the watchdog chip 55 through the pin 11, and reset the watchdog chip 55.

Specifically, the electronic control board 1 is further connected to a load module 9, and the load module 9 of this embodiment includes: the relay 91 is connected between the terminal load 92 and the electronic control board 1; the terminal load 92 includes a first solenoid valve 921 for controlling the water intake of the water tank; the second electromagnetic valve 922 is used for controlling the water supply and water cut-off of the water dispenser; an ultraviolet lamp 923 for sterilizing the water tank; a refrigerator 924 for cooling the water in the water tank; the heater 925 heats water in the water tank. In this embodiment, the number of the relays 91 is plural, and the first electromagnetic valve 921, the second electromagnetic valve 922, the ultraviolet lamp 923, the refrigerator 924, and the heater 925 are respectively connected to different relays 91 to realize separate isolation control.

Further, the electronic control board 1 includes a single chip 101, and can receive data of the sensor 2, and the sensor 2 mainly includes: the water level sensor 21, the water level sensor 21 includes the first water level end instrument and second water level end instrument, is used for detecting the water level in the water pitcher, when the water level is too low, the one-chip computer controls the first electromagnetic valve 921 to open; the temperature sensor 22 is used for detecting the temperature in the water tank and sending temperature parameters to the electric control board; and the water quality detection sensor 23 is used for detecting the water quality in real time and reporting the water quality to the service end 8 through the communication module 5, and the equipment is stopped to be used once the water quality is poor.

In addition, for the safety of the water dispenser, the end load 32 may further include a temperature controller, and the temperature controller may control the heater 925, the refrigerator 924, or the water dispenser device to be turned on and off according to the temperature parameter detected by the temperature sensor 22. For example, if the temperature in the water tank is higher than a preset temperature range, such as 40-90 degrees centigrade (deg.c), the heater 925 is turned off, and when the temperature is lower than the preset temperature range, the heater 925 is turned on, and when the temperature exceeds the preset temperature range for a while and is continuously increased, the device is turned off.

EXAMPLE III

Fig. 7 is a schematic structural view of a drinking water system provided by the third embodiment of the present invention. As shown in fig. 7, the drinking water system of the embodiment of the present invention includes the control chip, the server 7, the upper computer 11 and the mobile communication terminal 12 provided in any of the foregoing embodiments of the present invention. The communication module 5 further comprises a third communication interface 57. The communication module 5 is connected with the server 7 through a wireless communication network, and in order to ensure the reliability of network connection, the communication module 5 adopts an MQTT network connection technology to keep the networking state of the water dispenser equipment and constantly keep data synchronization with the server 7.

Specifically, the mobile communication terminal 12 may be a smart phone or a smart watch, etc. The mobile communication terminal 12 can receive the data sent by the server 7 and upload the data to the server 7, so as to realize remote operation of the water dispenser device through the mobile communication terminal 12.

Specifically, the upper computer 11 is connected to the communication module 5 through a third communication interface 57, wherein as shown in fig. 4 and 7, the third communication interface is electrically connected to the

pins

25 and 26 of the communication chip 52. The upper computer 11 can receive the update file and the update instruction of the server 7, and the upper computer 11 is matched with the communication module 5 to carry out OTA firmware upgrade.

The switch with the automatic water replenishing function can be controlled remotely. When no water is used for a long time (such as when schools are on cold or hot holidays), the server can automatically empty the water in the tank body through the remote control equipment, the heating is turned off, and meanwhile, the automatic water replenishing function is turned off, so that the equipment enters a low-power-consumption standby energy-saving state, and water and electricity are saved.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A direct drinking water apparatus, comprising:

2. A drinking water apparatus according to claim 1, wherein the number of the first water level sensor and the second water level sensor is 3 each, at the same level position at the bottom, the middle and the top of the water tank and the balance tank circuit, respectively.

3. A direct drinking water apparatus according to claim 1, wherein the control main board includes:

a communication module, the communication module comprising:

4. A potable water device according to claim 3, wherein the communication module further comprises a second communication interface, the potable water device further comprising:

5. A direct drinking water apparatus according to claim 4, wherein the communication module further comprises a power conversion module, the power conversion module is connected to the electric control board, the power conversion module comprises:

6. A direct drinking water apparatus according to claim 3, wherein the electric control board comprises a single chip microcomputer and is connected with a load module to realize the related functions of the water dispenser;

7. A potable water apparatus according to claim 6, wherein the load module comprises:

the relay is connected with a terminal load;

the terminal load includes:

an ultraviolet lamp for sterilizing the water tank;

a heater for heating water in the water tank;

and the refrigerator is used for cooling the water in the water tank.

8. A drinking water apparatus as claimed in claim 3, wherein the communication module further includes a watchdog chip connected to the communication chip.

9. A drinking water system is characterized in that: comprises direct drinking water equipment and a server according to any one of claims 3 to 8, wherein the communication module is networked with the server in real time and keeps data synchronization.

10. The hydration system of claim 9, wherein: the mobile communication terminal receives the data sent by the server and uploads the data to the server.