CN212006265U

CN212006265U - Dry burning prevention sensor

Info

Publication number: CN212006265U
Application number: CN202020580576.0U
Authority: CN
Inventors: 吴见
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2020-11-24
Anticipated expiration: 2030-04-18

Abstract

The utility model discloses a prevent dry combustion method sensor. The utility model comprises a heat conducting piece and a first sealing gasket, wherein the heat conducting piece comprises a heat conducting head and a heat conducting pipe, a temperature sensor is arranged in the heat conducting piece, the heat conducting piece also comprises an insulating piece and a grounding piece, the insulating piece comprises a conical head and an insulating pipe arranged below the conical head, a first through hole is arranged in the insulating pipe, and the first through hole penetrates through the insulating pipe downwards from the conical head; the grounding piece comprises a wafer and a screw pipe arranged below the wafer, a second through hole matched with the insulating pipe is formed in the grounding piece, and the second through hole penetrates through the screw pipe downwards from the wafer; the cover is equipped with sealed two of filling up on the spiral shell tooth pipe, through increasing insulating part and ground connection piece, especially increases ground connection piece, can effectively integrate the ground wire together, can still remain in the liquid heater when minimum water yield, just can sense, lets the liquid heater cut off heating power supply in advance, really avoids preventing dry combustion method, has design benefit, convenient to use, safe practical's characteristics.

Description

Dry burning prevention sensor

Technical Field

The utility model relates to a prevent dry combustion method sensor.

Background

The liquid heater is mainly used for heating liquid such as water, and a temperature sensor for preventing dry heating is installed in the liquid heater in order to prevent the liquid heater from continuously heating without water. The temperature sensor is only padded by one insulating sealing ring, after water in the liquid heater is dried, the temperature in the kettle body of the heater is continuously heated, and the built-in controller can cut off the power supply of the electric heating body of the liquid heater to stop heating until the temperature in the heater is sensed to reach the preset high temperature exceeding 100 ℃. Under the action of the waste heat of the electric heating body, the temperature in the kettle body can rise a little and then slowly fall, and at the moment, the liquid heater is dried for a period of time, and the liquid heater is easily damaged by overhigh temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a dry combustion method sensor is to be provided, it can effectively solve liquid heater and use traditional temperature sensor to dry combustion method a segment time earlier just can the problem of stop heating, skillfully design the grounding part of a minimum water level response on preventing dry combustion method sensor, just stop heating when the inherent minimum water level of liquid heater, really realize preventing dry combustion method, have design benefit, convenient to use, safe practical characteristics.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a prevent dry combustion method sensor, includes that heat-conducting piece and sealed pad one are equipped with temperature sensor, its characterized in that in the heat-conducting piece: the insulating part comprises a conical head and an insulating tube arranged below the conical head, a first through hole matched with the heat conduction tube is formed in the insulating tube, and the first through hole penetrates through the insulating tube from the conical head downwards;

the grounding piece comprises a wafer and a screw pipe arranged below the wafer, a second through hole matched with the insulating pipe is formed in the grounding piece, and the second through hole penetrates through the screw pipe downwards from the wafer;

and a second sealing gasket is sleeved on the thread pipe.

Further, the heat conducting part comprises a heat conducting head and a heat conducting pipe, a thread part is arranged at the lower end of the heat conducting pipe, a heat conducting cavity is arranged in the heat conducting part, the heat conducting cavity penetrates through the heat conducting pipe downwards from the middle of the heat conducting head, the temperature sensor is arranged at the top of the heat conducting cavity, and a sealing gasket is sleeved on the heat conducting pipe.

Further, the heat conduction pipe is matched with the first through hole.

Furthermore, the heat conduction cavity is provided with pouring sealant, and the temperature sensor is fixed in the heat conduction cavity through the pouring sealant.

The utility model discloses an foretell technical scheme has overcome the not enough of background art, provides an prevent dry combustion method sensor, and it can effectively solve liquid heater and use traditional temperature sensor to dry combustion method a segment time earlier just can the stop heating problem, designs the grounding part of a minimum water level response on preventing dry combustion method sensor ingeniously, just stops heating when the inherent minimum water level of liquid heater, really realizes preventing dry combustion method, has design benefit, convenient to use, safe practical characteristics.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the split structure of the present invention.

In the figure: the heat conduction device comprises a heat conduction member 1, a heat conduction head 101, a heat conduction pipe 102, a thread part 103, a heat conduction cavity 104, a first sealing gasket 2, a temperature sensor 3, an insulating member 4, a conical head 401, an insulating pipe 402, a first through hole 403, a grounding member 5, a wafer 501, a thread pipe 502, a second through hole 503 and a second sealing gasket 6.

Detailed Description

The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. Directional phrases used herein, such as, for example, upper, lower, front, rear, left, right, inner, outer, lateral, and the like, refer only to the accompanying drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1 to 2, the present invention includes a heat conducting member 1 and a sealing gasket 2, wherein a temperature sensor 3 is disposed in the heat conducting member 1, and is characterized in that: the insulating part 4 comprises a conical head 401 and an insulating tube 402 arranged below the conical head 401, a first through hole 403 is formed in the insulating tube 402, and the first through hole 403 penetrates through the insulating tube 402 from the conical head 401 downwards;

the grounding piece 5 comprises a wafer 501 and a screw pipe 502 arranged below the wafer 501, a second through hole 503 matched with the insulating pipe 402 is arranged in the grounding piece 5, and the second through hole 503 penetrates through the screw pipe 502 downwards from the wafer 501;

the second sealing gasket 6 is sleeved on the thread pipe 502.

Further, the heat conducting member 1 includes a heat conducting head 101 and a heat conducting pipe 102, a thread portion 103 is disposed at a lower end of the heat conducting pipe 102, a heat conducting cavity 104 is disposed in the heat conducting member 1, the heat conducting cavity 104 penetrates the heat conducting pipe 102 downwards from the middle of the heat conducting head 101, the temperature sensor 3 is disposed at the top of the heat conducting cavity 104, and the first sealing gasket 2 is sleeved on the heat conducting pipe 102.

Further, the heat conductive pipe 102 is fitted with the first through hole 403.

Further, the heat conducting cavity 104 is provided with a potting adhesive (not shown), and the temperature sensor 3 is fixed in the heat conducting cavity 104 through the potting adhesive.

The bottom of the liquid heater is provided with a mounting hole matched with the screw thread pipe 502 of the grounding piece 5, after the screw thread pipe 502 of the grounding piece 5 is sleeved with the second sealing gasket 6, the inside of the liquid heater is inserted into the mounting hole, the screw thread pipe 502 is connected with an upper ground wire, and the screw thread pipe 502 is screwed on the corresponding nut to be screwed tightly; then, the insulating tube 402 on the insulating member 4 is inserted into the second through hole 503 of the grounding member 5, the heat conducting pipe 102 on the heat conducting member 1 is inserted into the first through hole 403 of the insulating tube 402, the first sealing gasket 2 is sleeved on the thread part 103 of the heat conducting pipe 102, the heat conducting member 1 is electrically connected with a controller through an electric wire, and finally, the corresponding nut is screwed on the thread part 103 to be screwed tightly, so that the cable of the temperature sensor 3 is electrically connected with the controller of the liquid heater.

When in use, water (or other liquid) is poured into the liquid heater, the temperature sensor 3 detects the temperature of the water in real time through the heat conducting member 1, and meanwhile, the heat conducting head 101 is in conductive communication with the grounding member 5 through the liquid. When the water level in the liquid heater is lower than the heat conducting head 101 of the heat conducting part 1, the electric connection between the heat conducting head 101 and the grounding part 5 is disconnected, the controller of the liquid heater can disconnect the heating power supply and stop heating, the lowest water level is still remained in the liquid heater, even if the electric heating part of the liquid heater has a little residual heat, the lowest water level can be consumed, thus the liquid heater can be effectively prevented from being damaged due to dry burning, and accidents such as fire disasters can be avoided.

The shape of the heat conducting head 101 of the heat conducting member 1 may be determined according to need, and the shape of the heat conducting head 101 includes, but is not limited to, a spherical shape, a flat top shape, a straw hat shape, and a tapered shape. The conical head 401 on the insulator 4 may also be shaped and thick as desired.

The insulating member 4, the first sealing gasket 2 and the second sealing gasket 6 are made of elastic sealing insulating materials, for example, materials such as silicon rubber which have good elasticity, good sealing insulating property and very durability are used.

From the above description of the construction and principles, those skilled in the art will appreciate that the present invention is not limited to the above-described embodiments, but rather, that modifications and substitutions based on the teachings of the present invention using techniques well known in the art are intended to be included within the scope of the present invention as defined by the following claims.

Claims

1. The utility model provides a prevent dry combustion method sensor, includes that heat-conducting piece and sealed pad one are equipped with temperature sensor, its characterized in that in the heat-conducting piece: the insulating part comprises a conical head and an insulating tube arranged below the conical head, a first through hole is formed in the insulating tube, and the first through hole penetrates through the insulating tube from the conical head downwards;

and a second sealing gasket is sleeved on the thread pipe.

2. The dry-fire prevention sensor according to claim 1, wherein: the heat conducting part comprises a heat conducting head and a heat conducting pipe, a thread part is arranged at the lower end of the heat conducting pipe, a heat conducting cavity is arranged in the heat conducting part, the heat conducting cavity penetrates through the heat conducting pipe downwards from the middle of the heat conducting head, the temperature sensor is arranged at the top of the heat conducting cavity, and a sealing gasket is sleeved on the heat conducting pipe.

3. The dry-fire prevention sensor according to claim 2, wherein: the heat conduction pipe is matched with the first through hole.

4. The dry-fire prevention sensor according to claim 2, wherein: the heat conduction cavity is provided with pouring sealant, and the temperature sensor is fixed in the heat conduction cavity through the pouring sealant.