CN213273212U - Water heater with over-temperature protection function - Google Patents
Water heater with over-temperature protection function Download PDFInfo
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- CN213273212U CN213273212U CN202021930248.5U CN202021930248U CN213273212U CN 213273212 U CN213273212 U CN 213273212U CN 202021930248 U CN202021930248 U CN 202021930248U CN 213273212 U CN213273212 U CN 213273212U
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Abstract
The utility model provides a water heater with over-temperature protection function, which comprises an outer machine part and a water tank part, wherein the outer machine part comprises a first filter, an evaporator, a compressor and a first valve, and the water tank part comprises a water tank main body and a coil pipe arranged in the water tank; a water tank temperature sensor is arranged in the water tank, an electronic expansion valve is arranged between the first filter and the coil pipe, a coil pipe temperature sensor is arranged on one side, away from the coil pipe, of the electronic expansion valve, an environment temperature sensor is arranged at the evaporator, an exhaust temperature sensor is arranged at the exhaust port of the compressor, and an air suction temperature sensor is arranged at the air suction port of the compressor; the outdoor unit part also comprises a controller, and the electronic expansion valve, the coil pipe temperature sensor, the environment temperature sensor, the exhaust temperature sensor, the air suction temperature sensor and the water tank temperature sensor are electrically connected with the controller. The water heater can detect the real water temperature in the water tank in real time, and can avoid the overload operation of the compressor under the condition of high water temperature under the condition that the water tank temperature sensor falls off.
Description
Technical Field
The utility model relates to a water heater system, specifically speaking relates to a water heater with excess temperature protect function.
Background
The water tank temperature sensor of the household water heater is used for controlling the compressor to start and stop, when the water tank temperature sensor drops from the water tank, the real water tank temperature is not accurately detected, when the temperature in the water tank is very high, the compressor still continues to work and does not stop until the compressor is in overload protection, and the service life of the compressor is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a water heater with excess temperature protect function, but real temperature in this water heater real-time detection water tank under the condition that water tank temperature sensor drops, can avoid the compressor overload operation under the high water temperature condition.
A water heater with an over-temperature protection function comprises an outer machine part and a water tank part, wherein the outer machine part comprises a first filter, an evaporator, a compressor and a first valve, and the water tank part comprises a water tank main body and a coil pipe arranged in the water tank main body; the first valve comprises a first connecting port, a second connecting port, a third connecting port and a fourth connecting port, and the first connecting port is communicated with an exhaust port of the compressor; the second connecting port is communicated with one end of the coil pipe; the third connecting port is communicated with the air suction port of the compressor; the fourth connecting port is communicated with one end of the evaporator; the other end of the evaporator is connected with the first filter and the other end of the coil in series; a water tank temperature sensor is arranged in the water tank main body, an electronic expansion valve is arranged between the first filter and the coil pipe, a coil pipe temperature sensor is arranged on one side, away from the coil pipe, of the electronic expansion valve, an environment temperature sensor is arranged at the evaporator, an exhaust temperature sensor is arranged at the exhaust port of the compressor, and an air suction temperature sensor is arranged at the air suction port of the compressor;
the outdoor unit part further comprises a controller, and the electronic expansion valve, the coil pipe temperature sensor, the environment temperature sensor, the exhaust temperature sensor, the air suction temperature sensor and the water tank temperature sensor are electrically connected with the controller.
Preferably, a second filter is arranged between the coil pipe and the electronic expansion valve.
Preferably, the outdoor unit further comprises a second valve and a third valve, the second valve is arranged between the coil pipe and the electronic expansion valve, and a second connection port of the third valve is arranged between the coil pipe and the coil pipe.
Preferably, the outer unit further includes a fan disposed adjacent to the evaporator.
Compared with the prior art, the beneficial effects of the utility model are that:
the water heater can detect the real water temperature in the water tank in real time, and can avoid the overload operation of the compressor under the condition of high water temperature under the condition that the water tank temperature sensor falls off, thereby avoiding influencing the service life of the compressor.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of a connection structure according to an embodiment of the present invention.
100, an outer machine part; 200. a water tank portion;
101. a first filter; 102. an evaporator; 103. a compressor; 104. a first valve; 105. an electronic expansion valve; 107. a coil temperature sensor; 108. an ambient temperature sensor; 109. an exhaust gas temperature sensor; 110. an intake air temperature sensor; 111. a second filter; 112. a second valve; 113. a third valve; 114. a fan;
201. a water tank main body; 202. a coil pipe; 203. a water tank temperature sensor.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the embodiment provides a water heater with an over-temperature protection function, which includes an external unit 100 and a water tank 200, where the external unit 100 includes a first filter 101, an evaporator 102, a compressor 103 and a first valve 104, and the water tank 200 includes a water tank main body 201 and a coil 202 disposed in the water tank main body; the first valve 104 comprises a first connecting port, a second connecting port, a third connecting port and a fourth connecting port, and the first connecting port is communicated with an exhaust port of the compressor 103; the second connecting port is communicated with one end of the coil pipe; the third connecting port is communicated with the air suction port of the compressor 103; a fourth connection port is communicated with one end of the evaporator 102; the other end of the evaporator 102 is connected in series with the first filter 101 and the other end of the coil; a water tank temperature sensor 203 for detecting the water temperature in the water tank main body 201 is arranged in the water tank main body, an electronic expansion valve 105 is arranged between the first filter 101 and the coil, a coil temperature sensor 107 for detecting and judging the temperature is arranged on one side of the electronic expansion valve 105, which is far away from the coil, an environment temperature sensor 108 for detecting the environment temperature is arranged at the evaporator 102, an exhaust temperature sensor 109 for detecting the exhaust temperature of an exhaust port of the compressor 103 is arranged at an exhaust port of the compressor 103, and an air suction temperature sensor 110 for detecting the air suction temperature of an air suction port of the compressor 103 is arranged at an air suction port of the compressor 103;
the outdoor unit part 100 further comprises a controller, and the electronic expansion valve 105, the coil temperature sensor 107, the ambient temperature sensor 108, the exhaust temperature sensor 109, the suction temperature sensor 110 and the water tank temperature sensor 203 are electrically connected with the controller.
In a preferred embodiment, a second filter 111 is provided between the coil and the electronic expansion valve 105.
In a preferred embodiment, the outer unit 100 further comprises a second valve 112 and a third valve 113, the second valve 112 is disposed between the coil 202 and the electronic expansion valve 105, and a second connection port of the third valve 113 is disposed between the coil 202.
In a preferred embodiment, the outer portion 100 further includes a fan 114, and the fan 114 is disposed adjacent to the evaporator 102.
Based on the structure, the utility model discloses a following logic carries out the excess temperature protection:
the control of the electronic expansion valve is regulated once at 30s according to the control of the target suction superheat degree Ts-Tdef at 1 ℃.
Wherein:
tda: the temperature of the exhaust gas; tai: detecting the ambient temperature in real time; tai 1: ambient temperature before compressor start; tswatter, real-time detection of the water tank temperature; tswater 1: the temperature of the water tank before the compressor is started; tdef: coil temperature; ts: the temperature of the intake air.
When the above 4 conditions are met simultaneously, the main controller judges the falling fault of the water tank temperature sensor, so that the real water temperature in the water tank can be detected by the water heater in real time, and the overload operation of the compressor under the condition of high water temperature can be avoided under the condition that the water tank temperature sensor falls off, thereby avoiding the influence on the service life of the compressor.
Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (4)
1. A water heater with an over-temperature protection function comprises an outer machine part (100) and a water tank part (200), wherein the outer machine part (100) comprises a first filter (101), an evaporator (102), a compressor (103) and a first valve (104), and the water tank part (200) comprises a water tank main body (201) and a coil pipe (202) arranged in the water tank main body (201); the first valve (104) comprises a first connecting port, a second connecting port, a third connecting port and a fourth connecting port, and the first connecting port is communicated with an exhaust port of the compressor (103); the second connecting port is communicated with one end of the coil pipe; the third connecting port is communicated with an air suction port of the compressor (103); the fourth connecting port is communicated with one end of the evaporator (102); the other end of the evaporator (102) is connected with the first filter (101) and the other end of the coil in series; a water tank temperature sensor (203) is arranged in the water tank main body (201), and the water tank is characterized in that an electronic expansion valve (105) is arranged between the first filter (101) and the coil, a coil temperature sensor (107) is arranged on one side, away from the coil, of the electronic expansion valve (105), an environment temperature sensor (108) is arranged at the evaporator (102), an exhaust temperature sensor (109) is arranged at an exhaust port of the compressor (103), and an air suction temperature sensor (110) is arranged at an air suction port of the compressor (103);
the outdoor unit part (100) further comprises a controller, and the electronic expansion valve (105), the coil pipe temperature sensor (107), the environment temperature sensor (108), the exhaust temperature sensor (109), the air suction temperature sensor (110) and the water tank temperature sensor (203) are electrically connected with the controller.
2. A water heater with over-temperature protection function according to claim 1, characterized in that a second filter (111) is arranged between the coil (202) and the electronic expansion valve (105).
3. A water heater with over-temperature protection function according to claim 1, wherein the outer unit portion (100) further comprises a second valve (112) and a third valve (113), the second valve (112) is disposed between the coil (202) and the electronic expansion valve (105), and a second connection port of the third valve (113) is disposed between the coil and the second connection port of the third valve.
4. A water heater with over-temperature protection function according to claim 1, 2 or 3, characterized in that the outer unit portion (100) further comprises a fan (114), and the fan (114) is disposed adjacent to the evaporator (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021930248.5U CN213273212U (en) | 2020-09-07 | 2020-09-07 | Water heater with over-temperature protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021930248.5U CN213273212U (en) | 2020-09-07 | 2020-09-07 | Water heater with over-temperature protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213273212U true CN213273212U (en) | 2021-05-25 |
Family
ID=75938541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021930248.5U Active CN213273212U (en) | 2020-09-07 | 2020-09-07 | Water heater with over-temperature protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213273212U (en) |
-
2020
- 2020-09-07 CN CN202021930248.5U patent/CN213273212U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 323000 No.96 Yunjing Road, Shuige Industrial Park, Lishui City, Zhejiang Province Patentee after: Zhejiang Zhongguang Electric Appliance Group Co.,Ltd. Address before: 323000 No.96 Yunjing Road, Shuige Industrial Park, Lishui City, Zhejiang Province Patentee before: ZHEJIANG ZHONGGUANG ELECTRIC APPLIANCES Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |