CN212261163U - Water shortage detection device and quick-heating water dispenser - Google Patents

Abstract

The utility model provides a lack water detection device and fast hot water dispenser, lack water detection device, including conductive heating pipe and temperature sensor, temperature sensor is suitable for the detection the temperature of liquid in the conductive heating pipe, temperature sensor's electrically conductive shell is connected with first lack water and detects the wire, conductive heating pipe be connected with first lack water detect the wire mutually support second lack water and detect the wire. The utility model has the advantages that: whether lack of water in can judging the heating tube more accurately avoids causing the condition that the heating tube is dry to burn because of the actual lack of water of heating tube or the water yield in the heating tube is low excessively to can reduction in production cost, when being applied to electrical apparatus such as water dispenser, can provide more accurate lack of water feedback, avoid dry to burn and appear the jet-propelled condition, can make water dispenser inner structure simple relatively simultaneously, the cost is lower.

Description

Water shortage detection device and quick-heating water dispenser

Technical Field

The utility model relates to the technical field of household appliances, particularly, relate to a lack of water detection device and fast hot water dispenser.

Background

Traditional water dispenser adopts resistance heating's mode heating usually, use after heating before the water extraction with in the heating water tank, wherein, the control of heating is carried out on-off control by the user in advance, but in-service use can not go to the initiative and close the heating switch usually, consequently the water dispenser can last the water in the heating water tank, and lead to the water quality to descend, based on this, develop a neotype fast hot water dispenser at present, carry out rapid heating with heating body structure through its inside, when using water, the direct heating goes out water, in order to guarantee the water quality.

In general, a fast-heating water dispenser is used for heating water according to a sensor, when the sensor judges that water flow or accumulated water exists in a heating pipe, the water flow or accumulated water can be heated at a speed through an electric control heating pipe, in the related technology, the fast-heating water dispenser adopts a sensor structure, such as a flowmeter, a reed pipe, a Hall induction sensor and the like, which is arranged in a water tank or a pipeline of the fast-heating water dispenser, such as a pipeline behind the water tank or a pipeline at the rear end of the heating pipe, so as to detect the water flow, so that the sensor is connected with the sensor according to a control circuit with a judging module to judge the water flow, and thus whether the water is deficient or not is judged, but the sensor cannot directly detect the water quantity in the heating pipe of the water dispenser, so that the sensor can detect and judge that the actual water deficiency in the heating pipe is avoided or the water quantity in the, if in the instant heating water dispenser, when the water level of the water tank in the water dispenser has half a case of water, the water in the heating pipe in the water dispenser can also be lowered, so that the water in the heating pipe is prevented from being dried and burnt due to too little water, a check valve is required to be installed to be matched with the heating pipe to heat the water body in the heating pipe, the water level of the heating pipe is prevented from being lower than a heating area, when the water tank has residual water, a sensor is easy to be judged by mistake to open and boil the water, when the check valve has a problem, the water cannot exist in the heating pipe and the water tank or the pipeline where the sensor is located can have water, the judgment of no water shortage can also be realized at the moment, so that the heating pipe is dried and burnt, meanwhile, the internal structure of the water dispenser.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how avoid judging more accurately whether lack of water in the heating tube, avoid causing the condition that the heating tube burns futilely because of the actual lack of water of heating tube or the interior water yield of heating tube is low excessively, when being applied to electrical apparatus such as water dispenser on, can provide more accurately lack of water feedback, avoid burning futilely and appear the jet-propelled condition, can make water dispenser inner structure simple relatively simultaneously, the cost is lower.

In order to solve the problem, the utility model provides a lack of water detection device, including conductive heating pipe and temperature sensor, temperature sensor is suitable for the detection the temperature of liquid in the conductive heating pipe, temperature sensor's electrically conductive shell is connected with first lack of water and detects the wire, conductive heating pipe be connected with first lack of water detects the second lack of water detection wire that the wire mutually supported.

In the technical scheme, a conductive shell of a temperature sensor can form a conductive electrode to be electrically connected with a first water shortage detection lead, a conductive heating pipe is connected with a second water shortage detection lead matched with the first water shortage detection lead to form another conductive electrode, and the conductive heating pipe is electrically connected with a second water shortage detection lead, when the two conductive electrodes are communicated based on water flow, the water shortage in the conductive heating pipe can be ensured, otherwise, the water shortage in the conductive heating pipe is indicated, compared with a sensor arranged in a water tank or a pipeline to detect whether the water is short, in the technical scheme, the water shortage condition is directly related to the water quantity in the conductive heating pipe, so that the water shortage condition can be directly fed back and the conductive heating pipe can be directly controlled to stop heating according to a feedback result, the dry burning is avoided, the air injection phenomenon is avoided, and only when the water quantity in the conductive heating pipe reaches the position of the temperature sensor, the control of boiling water can be carried out, so that the unnecessary arrangement of the check valve can be eliminated, the structure is simpler, the cost is relatively lower when the water boiling device is applied to a quick-heating water dispenser, and the heating pipe is prevented from being burnt dry due to the damage of the check valve.

Furthermore, still include first pipeline connecting piece and second pipeline connecting piece, be provided with the first water hole of crossing on the first pipeline connecting piece, be provided with the second water hole of crossing on the second pipeline connecting piece, first pipeline connecting piece with second pipeline connecting piece set up respectively in the conductive heating pipe both ends, temperature sensor set up in on the first pipeline connecting piece.

Further, the conductive shell and the conductive heating pipe are both made of stainless steel materials.

Further, the conductive shell part is located in the first pipeline connecting part, one end, located outside the first pipeline connecting part, of the conductive shell is connected with the first water shortage detection lead, and the second water shortage detection lead is connected with the outer wall of the conductive heating pipe.

Further, the first water passing hole and the second water passing hole are connected with pipeline connectors.

Further, the pipe diameter of the conductive heating pipe is larger than the caliber of the pipeline joint.

Furthermore, the heating device also comprises a protective shell, the conductive heating pipe is partially positioned in the protective shell, and two ends of the protective shell are respectively connected with the first pipeline connecting piece and the second pipeline connecting piece.

Further, still include the cooperation connecting portion, the cooperation connecting portion are located on the protective housing.

Further, the protective housing includes an installation hem, the installation hem both ends respectively with first pipeline connecting piece with the second pipeline connecting piece can dismantle the connection, the cooperation connecting portion are located on the installation hem.

The utility model also provides a fast hot water dispenser, including the aforesaid lack of water detection device.

The beneficial effects of the quick-heating water dispenser of the utility model are similar to the beneficial effects of the above-mentioned water shortage detection device, and are not repeated herein.

Drawings

Fig. 1 is a schematic view of an overall structure of a water shortage detection device in an embodiment of the present invention;

fig. 2 is a schematic view of the overall structure of the water shortage detection device in the embodiment of the present invention;

FIG. 3 is a front view of the water shortage detection apparatus of FIG. 2;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of M in FIG. 4;

fig. 6 is a schematic view of the overall structure of the water shortage detection device in the embodiment of the present invention;

FIG. 7 is a front view of the water shortage detection apparatus of FIG. 6;

fig. 8 is a schematic structural view of a quick-heating water dispenser in an embodiment of the present invention.

Description of reference numerals:

1-conductive heating tube; 2-a first pipe connection; 201-a first water through hole; 202-a water flow channel; 3-a second pipe connection; 301-a second water through hole; 4-a first water deficit detection wire; 6-pipeline joint; 7-protective shell; 701-installing a hem; 8-a mating connection; 9-a temperature sensor; 901-a conductive housing; 902-temperature sensing probe.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

It is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

Referring to fig. 1, the utility model provides a lack water detection device, including conductive heating pipe 1 and temperature sensor 9, temperature sensor 9 is suitable for the detection the temperature of liquid in the conductive heating pipe 1, temperature sensor 9's electrically conductive shell 901 is connected with first lack water and detects wire 4, conductive heating pipe 1 be connected with first lack water detect wire 4 mutually support second lack water and detect wire 5.

In the related art, the quick-heating water dispenser is used for heating water according to a sensor, when the sensor judges that water flow or accumulated water exists in a heating pipe, the heating pipe is controlled to be heated at a speed through an electric control, in the related art, the quick-heating water dispenser adopts a sensor structure, such as a flowmeter, a reed pipe, a Hall induction sensor and the like, which is arranged in a water tank or a pipeline of the quick-heating water dispenser, such as a pipeline behind the water tank or a pipeline at the rear end of the heating pipe, so as to detect the water flow, so that the sensor is connected with the sensor according to a control circuit with a judging module to judge the water flow, so as to judge whether the water is lack, but the sensor cannot directly detect the water quantity in the heating pipe of the water dispenser, so that the sensor can detect and judge that the water is not lack but actually lack in the heating pipe or the water quantity in the heating pipe, if in the instant heating water dispenser, when the water level of the water tank in the water dispenser has half a case of water, the water in the heating pipe in the water dispenser can also be lowered, so that the water in the heating pipe is prevented from being dried and burnt due to too little water, a check valve is required to be installed to be matched with the heating pipe to heat the water body in the heating pipe, the water level of the heating pipe is prevented from being lower than a heating area, when the water tank has residual water, a sensor is easy to be judged by mistake to open and boil the water, when the check valve has a problem, the water cannot exist in the heating pipe and the water tank or the pipeline where the sensor is located can have water, the judgment of no water shortage can also be realized at the moment, so that the heating pipe is dried and burnt, meanwhile, the internal structure of the water dispenser.

In this embodiment, the water shortage detection device comprises a conductive heating pipe 1 and a temperature sensor 9, wherein the temperature sensor 9 is suitable for detecting the temperature of the liquid in the conductive heating pipe 1, that is, when water is stored in the conductive heating pipe 1, the temperature of the water body can be detected, and the temperature is fed back at the same time, so that when the temperature meets the requirement, the temperature is controlled according to a related control system to discharge water, usually, when the temperature sensor 9 detects the liquid, the probe of the temperature sensor 9 needs to be in contact with the liquid, in the embodiment of the present invention, that is, the position where the probe of the temperature sensor 9 is located can be communicated with the inside of the conductive heating pipe 1, so that the water in the conductive heating pipe 1 can reach the position of the probe of the temperature sensor 9 to detect the temperature, wherein, the temperature sensor 9 can be partially located in the conductive heating pipe 1 to directly make contact with the water in the conductive heating pipe 1 to, or in a structure connected with the conductive heating pipe 1, a water flow channel is formed inside the conductive heating pipe 1 to communicate with the inside of the conductive heating pipe 1, and a temperature sensor 9 is partially located in the water flow channel, so that water in the conductive heating pipe 1 can enter the water flow channel to measure the temperature, referring to fig. 5, the temperature sensor 9 is disposed on a first pipeline connecting part 2, a channel, i.e. a water flow channel 202, is formed inside the first pipeline connecting part 2, so that the temperature sensor 9 is partially located in the water flow channel 202 to measure the temperature of the water body, wherein the temperature sensor 9 includes a conductive shell 901, the conductive shell 901 protects a temperature sensing probe 902, the temperature sensor 9 can be an NTC (linear temperature sensor), the conductive shell 901 of the temperature sensor 9 is connected with a first water shortage detection wire 4, so that when the temperature sensor 9 measures the temperature of the water body, according to the direct contact with the water, the conductive housing 901 of the temperature sensor 9 can form a conductive electrode to form an electrical connection with the first water-shortage detection lead 4, in addition, the conductive heating pipe 1 is connected with a second water-shortage detection lead 5 matched with the first water-shortage detection lead 4, so that the conductive heating pipe 1 forms another conductive electrode to form an electrical connection with the second water-shortage detection lead 5, based on the related existing control circuit, the first water-shortage detection lead 4 and the second water-shortage detection lead 5 can be positioned in the control circuit, so that the matching judgment can be carried out, when the conductive electrode is formed by the conductive heating pipe 1 and the temperature sensor 9 and the two conductive electrodes are communicated based on the water flow, the water shortage in the conductive heating pipe 1 can be ensured, otherwise, the water shortage in the conductive heating pipe 1 is indicated, referring to fig. 4, based on the arrangement form of the temperature sensor 9, it must not direct with the direct contact of conductive heating pipe 1, only when the water in the conductive heating pipe 1 overflows temperature sensor 9, can carry on temperature detection and lack of water and detect, therefore, compare and set up in order to detect whether lack of water in the water tank or pipeline in order to detect in the sensor, in this technical scheme, the lack of water condition is direct to be correlated with the water yield in the conductive heating pipe 1, can direct feedback and can directly control the conductive heating pipe 1 to stop heating according to the feedback result when lack of water with this, so as to avoid dry combustion, avoid appearing the jet phenomenon, only when the water yield in the conductive heating pipe reaches the position of temperature sensor, just can carry on the control of heating up water, so as to can cancel the setting of the unnecessary check valve, thus when being applied to the instant heating water dispenser, make the structure simpler, the cost is relatively lower, avoid the damage of check valve to lead to the heating pipe to appear dry combustion.

In an optional embodiment of the present invention, the heat pipe further comprises a first pipe connector 2 and a second pipe connector 3, the first pipe connector 2 is provided with a first water through hole 201, the second pipe connector 3 is provided with a second water through hole 301, the first pipe connector 2 and the second pipe connector 3 are respectively disposed at two ends of the conductive heating pipe 1, and the temperature sensor 9 is disposed on the first pipe connector 2.

Referring to fig. 1 to 5, in the present embodiment, a first pipe connector 2 and a second pipe connector 3 are provided at both ends of an electrically conductive heating pipe 1, wherein a cavity is formed inside each of the first pipe connector 2 and the second pipe connector 3, and the cavity is communicated with the inside of the electrically conductive heating pipe 1, and specifically, referring to fig. 4 and 5, a water flow passage 202 is formed inside the cavity formed in the first pipe connector 2, whereby a first water flow hole 201 and a second water flow hole 301 are provided on each of the first pipe connector 2 and the second pipe connector 3, respectively, so that a water flow flowing into one water flow hole flows out from the other water flow hole through the inside of the electrically conductive heating pipe 1, and in the present embodiment, after passing through the first water flow hole 201, accumulates in the electrically conductive heating pipe 1 to be heated by the electrically conductive heating pipe 1, and flows out from the second water flow hole 301 after the water is heated to be required, based on this, the temperature sensor 9 is arranged on the first pipeline connecting piece 2, so that the whole position of the temperature sensor 9 has a certain interval with the conductive heating pipe 1, at this time, the temperature sensor 9 is located at a higher position, when the accumulated water in the conductive heating pipe 1 is less, the water quantity is insufficient and the temperature sensor 9 cannot be contacted, so that the first water shortage detection lead 4 and the second water shortage detection lead 5 cannot be conducted, only when the conductive heating pipe 1 has more water quantity or is full of water, so that the water body is contacted with the temperature sensor 9, the first water shortage detection lead 4 and the second water shortage detection lead 5 can be conducted, so as to form the judgment that the conductive heating pipe 1 is not in water shortage, therefore, the water quantity in the conductive heating pipe 1 is judged according to the conduction condition of the first water shortage detection lead 4 and the second water shortage detection lead 5, when heating is carried out on the basis, the condition of dry burning can be avoided as much as possible.

The embodiment of the utility model provides an in lack water detection device is applied to the water dispenser, if during the fast-heating water dispenser, can be with this lack water detection device of tube coupling of water dispenser, first lack water detection wire 4 and second lack water detection wire 5 accessible wire are connected in the control panel of fast-heating water dispenser, in control panel, according to actual conditions, set up first lack water detection wire 4 and second lack water detection wire 5 judgement module or judgement circuit of mutually supporting, the cooperation carries out the detection of rivers, can directly detect whether lack water in the conductive heating pipe 1, when being applied to the fast-heating water dispenser, can be more accurate to the lack water detection of water dispenser when heating up water, avoid the emergence of water dispenser part like the condition of the maloperation such as dry combustion method, improve the life of water dispenser.

In an optional embodiment of the present invention, the first water passing hole 201 and the second water passing hole 301 are connected to a pipe joint 6.

Referring to fig. 2, in the water shortage detecting device of this embodiment, the pipe joint 6 is connected to the first water passing hole 201 and the second water passing hole 301, the pipe joint 6 is adapted to connect pipes, and in the above embodiment, the first water through hole 201 and the second water through hole 301 are used for water inlet and outlet of the water shortage detecting device, respectively, based on a practical application scenario of the water shortage detecting device of the present invention, when the water dispenser is applied to a water dispenser, such as a quick-heating water dispenser, the first water through hole 201 and the second water through hole 301 need to be connected with a pipeline of the water dispenser body, for the quick heating water dispenser, a plastic pipe with the size of 2 minutes is usually arranged, so the pipeline joint 6 is arranged to conveniently connect the external pipeline, in particular to the water dispenser which is convenient to be arranged in the water dispenser so as to interconnect related pipelines, facilitate the water shortage detection and the installation and use of the water dispenser.

In an optional embodiment of the present invention, the diameter of the conductive heating pipe 1 is larger than the diameter of the pipe joint 6.

In this embodiment, the pipe diameter of the electric heating pipe 1 is greater than the bore of the pipe joint 6, and under the normal condition, the bore of the pipe joint 6 is matched with the bore of the pipe to be connected, and if the pipe is connected with 2-minute plastic pipes, the bore is also 2 minutes, and by arranging the electric heating pipe 1 with a larger pipe diameter, more water can be heated relatively when heating, so that when a direct drinking water dispenser is used, larger water can be formed, and the waiting time for water consumption is reduced.

In an optional embodiment of the present invention, the conductive housing 901 and the conductive heating tube 1 are made of stainless steel.

In this embodiment, electrically conductive shell 901 and electrically conductive heating pipe 1 are stainless steel material and make, on the one hand, make this shell and body structure can electrically conduct, cooperate first lack of water to detect wire 4 and second lack of water to detect wire 5 and can carry out the lack of water and detect, in addition, because of electrically conductive shell 901 and electrically conductive heating pipe 1 directly with the drinking water contact, consequently adopt the stainless steel shell can avoid causing too much influence to the quality of water of drinking water, thereby improve water safety, stainless steel material specifically can adopt 304 stainless steel.

In an optional embodiment of the present invention, the conductive shell 901 is partially located in the first pipe connector 2, one end of the conductive shell 901 located outside the first pipe connector 2 is connected to the first water shortage detection wire 4, and the second water shortage detection wire 5 is connected to the outer wall of the conductive heating pipe 1.

In the related art, when a water shortage detection structure, especially a sensor such as a flowmeter, a reed pipe, a hall sensor, etc. is used for detection, the sensor needs to be inserted into water to make a better judgment, and the direct contact between the sensor and water flow may cause influence on the water quality of water, and after long-term use, the influence may be caused on the health of a user, based on which, as shown in fig. 3-5, in this embodiment, a conductive shell 901 is partially located in a first pipeline connector 2, i.e. forming direct contact with the water in the first pipeline connector 2, and is made of a stainless steel material based on the conductive shell 901, which forms a conductive electrode for water shortage detection and does not cause influence on the water quality, at this time, the conductive shell 901 has a portion located outside the first pipeline connector 2, and one end of the portion is connected to a first water shortage detection lead 4, with this switch on of current can be carried out to be used for the detection of lack of water, under this condition, first lack of water detection wire 4 can not with water direct contact to this can avoid causing the influence to quality of water, correspondingly, second lack of water detection wire 5 is connected the outer wall of conductive heating pipe 1, with equally not with water direct contact, and then avoids causing the influence to quality of water.

In an optional embodiment of the present invention, the heating device further comprises a protective casing 7, the conductive heating pipe 1 is partially located in the protective casing 7, and two ends of the protective casing 7 are respectively connected to the first pipeline connecting member 2 and the second pipeline connecting member 3.

Referring to fig. 6 and 7, in the present embodiment, the water shortage detection apparatus further includes a protection casing 7 for protecting the conductive heating pipe 1, wherein a portion of the conductive heating pipe 1 is located in the protection casing 7, specifically, a middle portion of the conductive heating pipe 1 is located in the protection casing 7, two ends of the conductive heating pipe 1 located outside the protection casing 7 are respectively connected to the first pipeline connector 2 and the second pipeline connector 3, wherein the first pipeline connector 2 and the second pipeline connector 3 are respectively connected to two ends of the protection casing 7, so as to form a fixed protection of the conductive heating pipe 1, in the above embodiment, the conductive heating pipe 1 is made of a stainless steel material, so that the second water shortage detection lead 5 is not directly contacted with a water body in the conductive heating pipe 1, and the second water shortage detection lead 5 and the first water shortage detection lead 4 specifically determine whether current conduction is possible therebetween, and, be in the utility model discloses when well lack of water detection device installed on the water dispenser, the water dispenser is the circular telegram operation usually, and wherein conductive heating pipe 1 possesses the conductivity, based on this, through setting up this protective housing 7, also conveniently installs and dismantles lack of water detection device, avoids user and conductive heating pipe 1 direct contact, can prevent the condition such as electric shock.

In an optional embodiment of the present invention, the protective case further comprises a matching connecting portion 8, and the matching connecting portion 8 is located on the protective case 7.

Referring to fig. 6 and 7, the water shortage detection device further comprises a matching connection portion 8, the matching connection portion 8 is located on the protective shell 7, when the water shortage detection device is applied to a water dispenser, the matching connection portion 8 is arranged, so that the water shortage detection device can be conveniently connected with the water dispenser body, in the embodiment, the matching connection portion 8 comprises a plurality of screw holes, the connecting device can be detachably connected with corresponding screw holes in the water dispenser body, the connecting device can also comprise a clamping connection piece and the like, and is clamped with a clamping connection piece on the water dispenser body, so that the water shortage detection device can be conveniently fixedly mounted and detached for maintenance.

In an optional embodiment of the present invention, the protective housing 7 includes an installation flange 701, both ends of the installation flange 701 respectively connect with the first pipe connector 2 and the second pipe connector 3, and the connection portion 8 is located on the installation flange 701.

Referring to fig. 6 and 7, in the present embodiment, the protective casing 7 includes a mounting flange 701, wherein two ends of the mounting flange 701 are detachably connected to the first pipeline connector 2 and the second pipeline connector 3, respectively, specifically, two ends of the mounting flange 701 are provided with screw holes, the first pipeline connector 2 and the second pipeline connector 3 are provided with matching screw holes for screw fixation, wherein the first pipeline connector 2 and the second pipeline connector 3 are provided with positioning slots, the screw holes are located in the positioning slots, when the mounting flange 701 of the protective casing 7 is mounted on the first pipeline connector 2 and the second pipeline connector 3, two ends of the mounting flange 701 are respectively inserted into the positioning slots on the first pipeline connector 2 and the second pipeline connector 3, so as to be matched and positioned, and then, the mounting flange is connected by the screw holes to facilitate the mounting and dismounting of the water shortage detection device, wherein cooperation connecting portion 8 is located installation hem 701 to conveniently carry out lack of water detection device and install on the water dispenser, in this embodiment, protective housing 7 includes two installation hems 701, and it is located the both sides of conductive heating pipe 1 respectively, and it is fixed to carry out more stable installation with conductive heating pipe 1, and can carry out more firm installation with lack of water detection device.

The utility model also provides a fast hot water dispenser, including the aforesaid lack of water detection device.

Referring to fig. 8, the utility model also provides a fast hot water dispenser, it is including above-mentioned lack of water detection device, wherein, lack of water detection device joinable fast hot water dispenser is intrinsic pipeline to whether this detection pipeline lacks water, thereby judge whether fast hot water dispenser lacks water, the fast hot water dispenser in this embodiment is similar with lack of water detection device for prior art's beneficial effect, no longer gives unnecessary details here.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a lack water detection device, its characterized in that includes conductive heating pipe (1) and temperature sensor (9), temperature sensor (9) are suitable for the detection the temperature of liquid in conductive heating pipe (1), conductive shell (901) of temperature sensor (9) are connected with first lack water and detect wire (4), conductive heating pipe (1) be connected with first lack water detect wire (4) second lack water detection wire (5) of mutually supporting.

2. The water shortage detection device of claim 1, further comprising a first pipeline connecting piece (2) and a second pipeline connecting piece (3), wherein the first pipeline connecting piece (2) is provided with a first water passing hole (201), the second pipeline connecting piece (3) is provided with a second water passing hole (301), the first pipeline connecting piece (2) and the second pipeline connecting piece (3) are respectively arranged at two ends of the conductive heating pipe (1), and the temperature sensor (9) is arranged on the first pipeline connecting piece (2).

3. The water shortage detection device of claim 2, wherein the conductive housing (901) and the conductive heating pipe (1) are both made of stainless steel material.

4. The water shortage detection device according to claim 3, wherein the conductive shell (901) is partially located in the first pipeline connector (2), one end of the conductive shell (901) located outside the first pipeline connector (2) is connected with the first water shortage detection lead (4), and the second water shortage detection lead (5) is connected with the outer wall of the conductive heating pipe.

5. The water shortage detection device according to claim 2, wherein the first water passing hole (201) and the second water passing hole (301) are both connected with a pipe joint (6).

6. The water shortage detection device of claim 5, wherein the diameter of the conductive heating pipe (1) is larger than the caliber of the pipeline joint (6).

7. The water shortage detection device of any one of claims 2-6, further comprising a protective shell (7), wherein the conductive heating pipe (1) is partially located in the protective shell (7), and two ends of the protective shell (7) are respectively connected to the first pipeline connector (2) and the second pipeline connector (3).

8. The water shortage detection apparatus according to claim 7, further comprising a mating connection portion (8), the mating connection portion (8) being located on the protective casing (7).

9. The water shortage detection device of claim 8, wherein the protective casing (7) comprises a mounting flange (701), two ends of the mounting flange (701) are detachably connected with the first pipeline connecting piece (2) and the second pipeline connecting piece (3) respectively, and the matching connecting part (8) is positioned on the mounting flange (701).

10. A quick-heating water dispenser, characterized in that it comprises a water shortage detection device as claimed in any one of claims 1 to 9.

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