CN209857370U - Rapid heating type heater with protection device - Google Patents
Rapid heating type heater with protection device Download PDFInfo
- Publication number
- CN209857370U CN209857370U CN201920317355.1U CN201920317355U CN209857370U CN 209857370 U CN209857370 U CN 209857370U CN 201920317355 U CN201920317355 U CN 201920317355U CN 209857370 U CN209857370 U CN 209857370U
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- type heater
- protection device
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 4
- 230000001012 protector Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
A rapid heating type heater with a protection device is provided with an inner tube and an outer tube. The inner tube nests inside the outer tube, and the end face sealing connection at inner tube and outer tube both ends forms the cavity, still is provided with water inlet and the delivery port with the cavity intercommunication. The outer tube is provided with a heating resistor layer attached to the outer tube and a non-resettable temperature controller, and the heating resistor layer is provided with an NTC thermistor. The NTC thermistor is a patch thermistor and is attached to one end of the heating resistor layer close to the water outlet. The NTC thermistor measures the temperature of the pipe wall and sends data to the non-resettable temperature controller, and the non-resettable temperature controller performs power-off protection on the heater, so that the problem that the heater is damaged due to dry burning and the like is avoided. Water flow is heated by the heating resistor layer of the outer pipe, water and electricity separation is realized, and therefore the potential safety hazard of electric leakage of the heating resistor layer is reduced. Meanwhile, a temperature sensor is arranged at the water outlet and can accurately detect the temperature of the water.
Description
Technical Field
The utility model relates to a heater protection technical field, in particular to rapid heating type heater with protection device.
Background
The rapid heating type heater is widely applied to the market and has a wide variety. Common heater protection methods mainly include a temperature control method and an overtemperature protection temperature control method. At present, the protection method of the heater is mostly used for overtemperature protection temperature control.
In the technical field of heater protection, most rapid heating heaters are not provided with a device for protecting the heaters, so that certain potential safety hazards exist. The electric water heater mainly uses electricity as energy to heat water. The traditional water heater directly heats water through an electric heating pipe or an electric heating piece, and in the heating process of water, water needs to be stored in a heatable container firstly, and the water is directly heated through the electric heating pipe or the electric heating piece. The problems of low heating speed and uneven water heating are easy to occur, the potential safety hazard problem of electric leakage exists, hot water cannot be continuously provided, and the water temperature cannot be stably kept within a certain temperature.
Therefore, it is necessary to provide a rapid heating type heater with a protection device to overcome the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the weak point that exists among the prior art, provide a rapid heating type heater with protection device. The rapid heating type heater with the protection device is provided with an NTC thermistor on a heating resistance layer of an outer pipe, and a non-resettable temperature controller on the outer pipe. The NTC thermistor patch type NTC thermistor can detect the temperature of the pipe wall and prevent the heater from being damaged due to dry burning or overhigh temperature. The non-resettable temperature controller can protect the heater before the temperature of the heater is damaged, so that potential safety hazards are reduced. The water outlet is provided with a temperature sensor, so that the temperature of the discharged water can be accurately detected, and the temperature of the discharged water is ensured. The rapid heating type heater with the protection device has certain safety.
The above technical means of the utility model realize through following technical means.
A rapid heating type heater with a protection device is provided with two parts of an inner tube and an outer tube. The inner pipe is nested in the outer pipe, the end faces of the two ends of the inner pipe and the end faces of the two ends of the outer pipe are hermetically connected to form a cavity, and a water inlet and a water outlet which are communicated with the cavity are also formed;
the outer tube is provided with a heating resistor layer attached to the outer tube and a non-resettable temperature controller, and the heating resistor layer is provided with an NTC thermistor.
The water outlet is provided with a temperature sensor.
The NTC thermistor is attached to one end of the heating resistor layer close to the water outlet and is a patch thermistor.
The inner pipe is provided with a pipe body with two sealed ends, a bottom water mixing flow passage device and a top water mixing flow passage device.
Preferably, the bottom mixed water flow channel device is arranged between the water inlet and one end of the pipe body, and the top mixed water flow channel device is arranged between the water outlet and the other end of the pipe body.
Preferably, the water inlet is communicated with the bottom water mixing flow channel device, and the top water mixing flow channel device is communicated with the water outlet.
The two ends of the pipe body are respectively abutted with the top water mixing flow passage device and the bottom water mixing flow passage device.
The bottom water mixing flow channel device and the top water mixing flow channel device are the same in structure and are provided with a fixing frame and a flow guide rib, and the flow guide rib is fixed on one surface, close to the pipe body, of the fixing frame.
Preferably, the central point of the fixing frame is defined as a point O, a point on each flow guide rib closest to the point O is defined as a point N, a point on each flow guide rib farthest from the point O is defined as a point F, a triangle ONF is formed by taking the point O, the point N and the point F as fixed points, and the angle N is greater than the angle F.
Preferably, the orientation of the plurality of flow guide ribs on the same fixing frame is the same.
Preferably, the bottom mixed water flow passage device or the top mixed water flow passage device is of a centrosymmetric structure.
Preferably, the flow guide rib is formed by fixedly connecting a first plate and a second plate, the first plate is close to the point O compared with the second plate, and the height H of the second plate is smaller than the height D of the first plate.
Preferably, the outer tube is printed with an inner insulating layer, a heating resistor layer and an outer insulating layer on the surface, and the heating resistor layer is provided with a plurality of sections of heating resistors with different powers.
Preferably, the heating resistor layer is provided with two sections of heating resistors with different powers, the ratio of the resistance value of the high-power heating resistor to the resistance value of the low-power heating resistor is 1: 1-1: 0.2, the high-power heating resistor heats at high temperature, and the low-power heating resistor heats at low temperature.
Preferably, the ratio of the high power heating resistance to the low power heating resistance is 1: 0.5.
The utility model discloses a rapid heating type heater with protection device is provided with two parts of inner tube and outer tube, and the inner tube nestification is inside the outer tube, and the end face seal at inner tube and outer tube both ends connects and forms the cavity, still is provided with the water inlet and the delivery port that communicate with the cavity. The outer tube is provided with a heating resistor layer attached to the outer tube and a non-resettable temperature controller, and the heating resistor layer is provided with an NTC thermistor. The NTC thermistor is a patch thermistor and is attached to one end of the heating resistor layer close to the water outlet. The NTC thermistor measures the temperature of the outer pipe wall, the obtained data are sent to the non-resettable temperature controller, and the non-resettable temperature controller carries out power-off protection on the heater, so that the problem that the heater is damaged due to dry burning or overhigh temperature is avoided. Water flow enters the cavity from the water inlet, and water is influenced by the water pressure in the cavity and is discharged from the water outlet. Through the heating of outer tube heating resistor layer, realize water and electricity separation to reduce the potential safety hazard of heating resistor layer electric leakage. Meanwhile, a temperature sensor is arranged at the water outlet and can accurately detect the temperature of the water.
Through the rapid heating type heater with the protection device, the problems that the heater is damaged due to dry burning, electric leakage or overhigh temperature and the like in the heating process can be prevented, and the potential safety hazard is reduced.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the contents in the drawings do not constitute any limitation to the present invention.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic sectional structure diagram of embodiment 1 of the present invention.
Fig. 3 is a schematic view of the inner tube structure of embodiment 2 of the present invention.
Fig. 4 is a schematic view of a mixed water flow passage device according to embodiment 3 of the present invention.
Fig. 5 is a top view of the mixed water flow passage device according to embodiment 3 of the present invention, wherein the fixing frame and the flow guiding rib are located on the same plane.
Fig. 6 is a schematic structural view of an outer tube in embodiment 4 of the present invention.
In fig. 1 to 6, the method includes:
an outer tube 100, a heating resistor layer 120;
the water mixing device comprises an inner pipe 200, a pipe body 210, a water inlet 221, a water outlet 220, a bottom water mixing flow channel device 230, a top water mixing flow channel device 240, a flow guide rib 231 and a fixing frame 232;
an NTC thermistor 300, a temperature sensor 310 at the water outlet;
a central point O of the plane where the fixing frame and the flow guide rib are located, a flow guide rib point N close to the point O and a flow guide rib point F far away from the point O.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1.
A rapid heating type heater with a protection device, as shown in FIGS. 1 and 2, is provided with two parts of an inner tube 200 and an outer tube 100. The inner pipe 200 is nested inside the outer pipe 100, the end faces of the two ends of the inner pipe 200 and the outer pipe 100 are hermetically connected to form a cavity, and a water inlet 221 and a water outlet 220 which are communicated with the cavity are further arranged.
The outer tube 100 is provided with a heating resistor layer 120 and a non-resettable temperature controller attached to the outer tube 100, and the heating resistor layer 120 is provided with an NTC thermistor 300.
The water outlet 220 is provided with a temperature sensor 310.
Specifically, the NTC thermistor 300 is a patch thermistor, and the NTC thermistor 300 is attached to one end of the heating resistor layer 120 close to the water outlet 220.
The utility model discloses a rapid heating type heater with protection device, this heater paste in the one end position that is close to delivery port 220 and establish NTC thermistor 300 for detect the temperature of 100 pipe walls of outer tube, set up a temperature controller that can not reset at the heater simultaneously. The NTC thermistor 300 transmits the resulting data to the non-resettable temperature controller. When the temperature of the pipe wall of the outer pipe 100 reaches the limit temperature of the non-resettable temperature controller, the non-resettable temperature controller performs power-off protection on the heater, and the purpose of preventing the heater from being damaged due to overhigh temperature is achieved. The water flow is heated by the heating resistor layer 120 of the outer tube 100, and the water flow is not in direct contact with the resistor layer, so that water and electricity separation is realized, and the safety problem caused by electric leakage of the heating resistor layer 120 is effectively avoided. The temperature sensor 310 is arranged at the water outlet 220, so that the temperature of the outlet water can be accurately detected.
Example 2.
A rapid heating type heater with a protector has the same structure as that of embodiment 1. Except as shown in figure 3. The inner pipe 200 is nested inside the outer pipe 100, and the end faces of the two ends of the inner pipe 200 and the outer pipe 100 are hermetically connected to form a cavity. The inner pipe 200 is provided with a pipe body 210 sealed at both ends, a bottom mixing flow path device 230 and a top mixing flow path device 240.
The bottom mixing flow path device 230 is disposed between the water inlet 221 and one end of the tube body, and the top mixing flow path device 240 is disposed between the water outlet 220 and the other end of the tube body 210.
The water inlet 221 is in communication with the bottom mixing flow channel device 230 and the top mixing flow channel device 240 is in communication with the water outlet 220.
The two ends of the pipe body 210 are respectively abutted against the top mixing flow channel device 240 and the bottom mixing flow channel device 230.
The bottom mixed water flow channel device 230 and the top mixed water flow channel device 240 have the same structure, and are both provided with a fixing frame 232 and a flow guiding rib 231, and the flow guiding rib 231 is fixed on one surface of the fixing frame 232, which is close to the pipe body 210.
Specifically, the water flow can rise in a spiral state under the action of the bottom mixed water flow passage device 230 and the top mixed water flow passage device 240. The length of the water flow is effectively increased, and the water rises at a regular speed under the action of gravity, so that the water flow can be uniformly heated.
The utility model discloses a rapid heating type heater with protection device, its theory of operation is that rivers get into bottom from water inlet 221 and mix water flow channel device 230, because the effect of water conservancy diversion muscle 231 makes rivers be the vortex state. With the increase of the water flow, the water pressure in the cavity is increased, and the water flow is forced to be discharged towards the water outlet 220. The water flow rises in a spiral state under the action of the bottom mixed water flow passage device 230 and the top mixed water flow passage device 240, so that the water path is lengthened. The water can be uniformly heated by the indirect heating of the heating resistor layer 120 of the outer tube 100.
Example 3.
A rapid heating type heater with a protector, the other structure is the same as that of embodiment 2 except that as shown in fig. 4 and 5. Defining the central point of the fixing frame as a point O, defining a point which is closest to the point O on each flow guide rib as a point N, defining a point which is farthest from the point O as a point F, and forming a triangle ONF by taking the point O, the point N and the point F as fixed points, wherein the angle N is larger than the angle F.
When water flows through the bottom mixed water flow channel device 230 and the top mixed water flow channel device 240, the flow guiding ribs 231 guide the water to form a spiral state. And when the angle F is smaller than the angle N, the flow guiding effect is more obvious, and the water flow is fully mixed.
Specifically, the orientation of the plurality of flow guiding ribs 231 on the same fixing frame 232 is the same. The same direction of the flow guiding ribs 231 can make the water flow in the same direction, so that the water can be mixed conveniently.
The bottom mixing flow passage device 230 or the top mixing flow passage device 240 has a central symmetrical structure. The water flow guiding ribs 231 are stable and are not easy to be damaged by the impact of water flow.
The flow guiding rib 231 is formed by fixedly connecting a first plate and a second plate, the first plate is closer to the point O than the second plate, and the height H of the second plate is smaller than the height D of the first plate.
The first plate with higher height is nested on the upper and lower bottom surfaces of the outer pipe 100 and the inner pipe 200, and the second plate with lower height is connected on the upper and lower bottom surfaces of the pipe body 210, so that the connection between the inner pipe 200 and the outer pipe 100 can be more stable.
The working principle of the heater with the mixed water flow channel of the utility model is that the stable water flow is guided by the guide rib 231 of the bottom mixed water flow channel device 230, so that the water flow rises in a spiral state, the length of the water flow is increased, and the water flow is heated uniformly; the water flow is fully mixed by the guide rib 231 of the top water mixing flow channel device 240, so that hot water can be mixed and uniformly heated water can be discharged.
Example 4.
A rapid heating type heater with a protector, the other structure being the same as any one of embodiments 1 to 3. Except as shown in fig. 6. In the heater with the mixed water flow passage, an inner insulating layer, a heating resistor layer 120 and an outer insulating layer are printed on the surface of the outer tube 100. The insulating layers are printed on both the inside and the outside of the outer tube 100 to prevent the electric leakage of the heating resistor layer 120 or the occurrence of fire due to the electric leakage, thereby preventing accidents.
The heating resistor layer 120 may be provided with a plurality of heating resistors of different powers. According to the different heating degree to water, can set up the heating resistance of the different power of multistage.
In this embodiment, the heating resistor layer 120 is provided with two heating resistors with different powers, the heating resistor layer 120, the high power heating resistor, and the low power heating resistor. In this embodiment, the ratio of the high power heating resistance to the low power heating resistance is 1: 0.5. The heating resistance ratio of 1:0.5 is adopted to heat two kinds of water with different temperatures, thereby achieving good effect.
It should be noted that the ratio of the high power heating resistance to the low power heating resistance of the heating resistance layer 120 used in practical applications is not limited to 1:0.5, and the ratio of the heating resistance values may be in a range of 1:1 to 1: 0.2.
The utility model discloses a have and mix water flow channel heater, the heating resistor who adopts different heating resistance ratio heats water, can reach the different temperatures of heating, and heats even effect. The proper stainless steel is selected as the manufacturing material of the heater with the mixed water flow passage, so that the heating effect of the heater with the mixed water flow passage can be highlighted.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A rapid heating type heater with a protection device is provided with an inner pipe and an outer pipe, and is characterized in that:
the inner pipe is nested in the outer pipe, the end faces of the two ends of the inner pipe and the end faces of the two ends of the outer pipe are hermetically connected to form a cavity, and a water inlet and a water outlet which are communicated with the cavity are further formed;
the outer tube is provided with a heating resistance layer attached to the outer tube and a non-resettable temperature controller, and the heating resistance layer is provided with an NTC thermistor;
the water outlet is provided with a temperature sensor.
2. The rapid heating type heater with protection device according to claim 1, wherein: the NTC thermistor is attached to one end of the heating resistor layer close to the water outlet.
3. The rapid heating type heater with protection device according to claim 2, wherein: the NTC thermistor is a patch thermistor.
4. The rapid heating type heater with protection device according to claim 2, wherein: the inner pipe is provided with a pipe body with two sealed ends, a bottom water mixing flow passage device and a top water mixing flow passage device;
the bottom mixed water flow channel device is arranged between the water inlet and one end of the pipe body, and the top mixed water flow channel device is arranged between the water outlet and the other end of the pipe body;
the water inlet is communicated with the bottom mixed water flow passage device, and the top mixed water flow passage device is communicated with the water outlet;
the two ends of the pipe body are respectively abutted against the top water mixing flow passage device and the bottom water mixing flow passage device;
the bottom water mixing flow channel device and the top water mixing flow channel device are identical in structure and are provided with a fixing frame and a flow guide rib, and the flow guide rib is fixed on one surface, close to the pipe body, of the fixing frame.
5. The rapid heating type heater with protection device according to claim 4, wherein:
defining the central point of the fixing frame as a point O, defining a point which is closest to the point O on each flow guide rib as a point N, defining a point which is farthest from the point O as a point F, and forming a triangle ONF by taking the point O, the point N and the point F as fixed points, wherein the angle N is larger than the angle F.
6. The rapid heating type heater with protection device according to claim 5, wherein: the orientation of a plurality of flow guide ribs on the same fixing frame is the same.
7. The rapid heating type heater with protection device according to claim 6, wherein: the flow guide rib is formed by fixedly connecting a first plate and a second plate, the first plate is close to the point O compared with the second plate, and the height H of the second plate is smaller than the height D of the first plate.
8. The rapid heating type heater with protection device according to claim 7, wherein: the surface of the outer tube is printed with an inner insulating layer, a heating resistance layer and an outer insulating layer;
the heating resistance layer is provided with a plurality of sections of heating resistances with different powers.
9. The rapid heating type heater with protection device according to claim 8, wherein: the heating resistor layer is provided with two sections of heating resistors with different powers, the ratio of the resistance value of the high-power heating resistor to the resistance value of the low-power heating resistor is 1: 1-1: 0.2, the high-power heating resistor is used for heating at a high temperature, and the low-power heating resistor is used for heating at a low temperature.
10. The rapid heating type heater with protection device according to claim 9, wherein: the ratio of the high power heating resistance to the low power heating resistance is 1: 0.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920317355.1U CN209857370U (en) | 2019-03-13 | 2019-03-13 | Rapid heating type heater with protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920317355.1U CN209857370U (en) | 2019-03-13 | 2019-03-13 | Rapid heating type heater with protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209857370U true CN209857370U (en) | 2019-12-27 |
Family
ID=68933555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920317355.1U Expired - Fee Related CN209857370U (en) | 2019-03-13 | 2019-03-13 | Rapid heating type heater with protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209857370U (en) |
-
2019
- 2019-03-13 CN CN201920317355.1U patent/CN209857370U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |