CN211041380U - Structure of balanced gas water heater - Google Patents
Structure of balanced gas water heater Download PDFInfo
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- CN211041380U CN211041380U CN201921677200.5U CN201921677200U CN211041380U CN 211041380 U CN211041380 U CN 211041380U CN 201921677200 U CN201921677200 U CN 201921677200U CN 211041380 U CN211041380 U CN 211041380U
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Abstract
The utility model discloses a balanced type gas heater's structure, include: the gas water heater comprises a gas water heater inner cavity, a heat exchanger, a fan control circuit board and a direct current fan, wherein the heat exchanger, the direct current fan and the fan control circuit board are all arranged in the gas water heater inner cavity; the direct current fan is used for discharging smoke generated by the heat exchanger, the fan control circuit board and the direct current fan are arranged in a split mode, and the fan control circuit board is installed in a low-temperature area of an inner cavity of the gas water heater. The fan control circuit board is separated from the direct current fan and is arranged in the low-temperature area of the inner cavity of the gas water heater, so that the service life of the fan control circuit board is prolonged, and the fault rate of the whole gas water heater is reduced. The utility model discloses in the mainly used gas heater field.
Description
Technical Field
The utility model relates to a gas heater technical field, in particular to balanced type gas heater's structure.
Background
In the use process of the gas water heater, the water heater is often installed indoors due to the limitation of the room space and the convenience of real-time adjustment. A gas water heater is a balanced type gas water heater, and a smoke balance exchange mode of a coaxial smoke exhaust pipe and a coaxial air inlet pipe is adopted. The advantage of this approach is that it overcomes the problems of "windage" and indoor oxygen consumption. The fan control circuit board is mounted on the direct current fan, which is a conventional means in the industry, and the design mainly considers the timeliness of the fan control circuit board and the stability of the whole fan control, and improves the stability of the fan control in an integrated mode. However, the existing balanced gas water heater has a high failure rate and is mainly concentrated on a fan control circuit board. Therefore, a solution for improving the current situation is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas heater's structure aims at solving the higher problem of fault rate of current balanced type gas heater.
The utility model provides a solution of its technical problem is: a structure for a balanced gas water heater comprising: the gas water heater comprises a gas water heater inner cavity, a heat exchanger, a fan control circuit board and a direct current fan, wherein the heat exchanger, the direct current fan and the fan control circuit board are all arranged in the gas water heater inner cavity; the direct current fan is used for discharging smoke generated by the heat exchanger, the fan control circuit board and the direct current fan are arranged in a split mode, and the fan control circuit board is installed in a low-temperature area of an inner cavity of the gas water heater.
The utility model has the advantages that: the fan control circuit board is separated from the direct current fan and is arranged in the low-temperature area of the inner cavity of the gas water heater, so that the service life of the fan control circuit board is prolonged, and the fault rate of the whole gas water heater is reduced.
Further, a burner in the gas water heater is positioned at the lower side of the heat exchanger, and the low-temperature region is a left side region and a right side region of the burner or a lower side region of the burner.
Further, a burner in the gas water heater is positioned on the upper side of the heat exchanger, and the low-temperature region is a left side region and a right side region of the burner or an upper side region of the burner.
Further, a main control circuit board is installed in the inner cavity of the gas water heater, and the fan control circuit board and the main control circuit board are arranged in a split mode. Therefore, the main control circuit board and the fan control circuit board are arranged in a split mode, and the installation position of the main control circuit board or the fan control circuit board is more flexible.
Further, a main control circuit board is installed in the inner cavity of the gas water heater, and the fan control circuit board and the main control circuit board are integrally arranged. Like this with main control circuit board and fan control circuit board integrative setting, can reduce whole production cost of manufacture.
Further, the direct current fan is provided with a temperature sensor, the fan control circuit board is provided with a circuit breaker, the temperature sensor is used for collecting the coil temperature of the direct current fan, and when the coil temperature of the direct current fan reaches a preset threshold value, the circuit breaker disconnects the power supply of the direct current fan.
Further, the fan control circuit board is provided with a feedback speed regulating module, and the feedback speed regulating module is used for regulating the rotating speed of the direct current fan according to the coil temperature of the direct current fan. Because the resistance value of the coil of the direct current fan can change under different temperatures, the rotating speed is adjusted by monitoring the coil temperature of the direct current fan, and therefore the gas water heater works under the optimal combustion working condition.
Further, this structure still includes the pipe of discharging fume, the collection petticoat pipe is installed to gas heater inner chamber, the income smoke mouth of collection petticoat pipe and heat exchanger's outlet flue intercommunication, the outlet flue and the pipe intercommunication of discharging fume of collection petticoat pipe, direct current fan is used for driving the flue gas to flow to the outlet flue of collection petticoat pipe from the income smoke mouth of collection petticoat pipe, direct current fan pass through the wire with fan control circuit board connects.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural diagram of a balanced gas water heater.
Wherein, in fig. 1, the solid line arrows refer to the flow trajectory of the combustion air, and the dashed line arrows refer to the flow trajectory of the flue gas; the coordinate arrows in fig. 1 indicate up, down, left, and right, respectively;
100. the gas water heater comprises a shell, 200 parts of an air inlet pipe, 300 parts of a smoke exhaust pipe, 500 parts of a fan control circuit board, 600 parts of a burner, 700 parts of an inner cavity of the gas water heater, 800 parts of a heat exchanger, 900 parts of a main control circuit board, 410 parts of a smoke collecting hood, 420 parts of a fan, 510 parts of a conducting wire.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Embodiment 1, referring to fig. 1, a structure of a balanced gas water heater, which is described with a balanced gas water heater to which the structure is applied as an angle, includes: the gas water heater comprises a shell 100, an air inlet pipe 200 and a smoke exhaust pipe 300, wherein the air inlet pipe 200 and the smoke exhaust pipe 300 are coaxially arranged, the air inlet pipe 200 and the smoke exhaust pipe 300 are arranged at the upper part of the shell 100, the shell 100 encloses a gas water heater inner cavity 700, and a heat exchanger 800, a smoke collecting hood 410, a combustor 600, a direct current fan 420 and a fan control circuit board 500 are arranged in the gas water heater inner cavity 700.
The smoke inlet of the smoke collecting cover 410 is communicated with the smoke outlet of the heat exchanger 800, the smoke outlet of the smoke collecting cover 410 is communicated with the smoke exhaust pipe 300, and the direct current fan 420 is used for driving smoke from the smoke inlet of the smoke collecting cover 410 to the smoke outlet of the smoke collecting cover 410. The fan control circuit board 500 is used for controlling the rotation of the direct current fan 420, the fan control circuit board 500 and the direct current fan 420 are arranged in a split manner, the fan control circuit board 500 is connected with the direct current fan 420 through a lead 510, and the fan control circuit board 500 is installed in a low-temperature region of the inner cavity 700 of the gas water heater. The low temperature region of the gas water heater cavity 700 is a region lower than the average temperature of the gas water heater cavity 700.
In some preferred embodiments, the burner 600 of the gas water heater is placed at the lower part of the inner cavity 700 of the gas water heater, the heat exchanger 800 is placed at the upper part of the inner cavity 700 of the gas water heater, the burner 600 of the gas water heater is positioned at the lower side of the heat exchanger 800, the burner 600 is in a state of being in a positive combustion state, and the low-temperature region of the inner cavity 700 of the gas water heater is the left and right side regions of the burner 600 or the lower side region of the burner 600.
Or in some other embodiments, the burner 600 in the gas water heater is placed at the upper part of the inner cavity 700 of the gas water heater, the heat exchanger 800 is placed at the lower part of the inner cavity 700 of the gas water heater, the burner 600 in the gas water heater is positioned at the upper side of the heat exchanger 800, and the burner 600 is in an inverted combustion state, at this time, the low-temperature region of the inner cavity 700 of the gas water heater is the left and right side regions of the burner 600 or the upper side region of the burner 600.
When the gas water heater is in operation, the fan control circuit board 500 controls the direct current fan 420 to rotate, and the flue gas is discharged from the smoke outlet of the smoke collecting cover 410 and is discharged to the outdoor through the smoke discharge pipe 300. At this time, the inside of the heat exchanger 800 has a negative pressure, and external air enters from the air inlet duct 200 and enters into the combustion chamber from the bottom of the combustion chamber to form combustion air under the action of the negative pressure. After the combustion chamber burns, flue gas is generated, and the flue gas is discharged to the outside through the action of the direct current fan 420, and the circulation is carried out. The air flow path is generally shown by the arrows in fig. 1, wherein the solid arrows indicate the flow path of the fresh air and the dashed arrows indicate the flow path of the flue gas.
It can be known from the working process of whole gas heater that high temperature flue gas that gas combustion produced is discharged outdoors under the effect of subassembly of discharging fume after heat exchanger 800 heat transfer, and the temperature of flue gas is still higher (generally all have more than 120 ℃) this moment, and the high temperature of this kind of flue gas can be transmitted to direct current fan 420, because electronic components generally do not resist high temperature, consequently, this technical scheme creatively separates fan control circuit board 500 and subassembly of discharging fume to set up fan control circuit board 500 in the low temperature zone of gas heater inner chamber 700. The failure rate of the fan control circuit board 500 is reduced, the service life of the fan control circuit board 500 is prolonged, and the failure rate of the whole gas water heater is reduced. The technical scheme creatively gets rid of the technical habit in the industry of gas water heaters, abandons the scheme of integrating the fan control circuit board 500 in the smoke exhaust component in the prior art, develops a new way and solves the problem of high fault of the balanced gas water heater in the prior art.
As a further optimization of the above embodiment, the fan control circuit board 500 and the main control circuit board 900 are separately arranged. In this way, the main control circuit board 900 and the fan control circuit board 500 are arranged in a split manner, so that the installation position of the main control circuit board or the fan control circuit board is more flexible. Of course, in some embodiments, fan control circuit board 500 is provided integrally with main control circuit board 900. Therefore, the main control circuit board 900 and the fan control circuit board 500 are integrally arranged, and the whole production cost can be reduced.
As a further optimization of the above embodiment, the dc fan 420 is provided with a temperature sensor, the fan control circuit board 500 is provided with a circuit breaker, the temperature sensor is configured to collect a coil temperature of the dc fan 420, and when the coil temperature of the dc fan 420 reaches a preset threshold, the circuit breaker disconnects power supply of the dc fan 420. The temperature of the direct current fan 420 is monitored in real time by the temperature sensor, so that damage to the direct current fan 420 due to overheating can be avoided. It should be noted that the circuit connection mode between the temperature sensor and the circuit breaker can be completed by the prior art, so as to achieve the function of disconnecting the power supply of the dc fan 420 by the circuit breaker when the temperature of the coil of the dc fan 420 reaches the preset threshold value. The circuit breaker may be a relay or a thyristor.
As a further optimization of the above embodiment, the fan control circuit board 500 is provided with a feedback speed regulating module, and the feedback speed regulating module is used for regulating the rotation speed of the dc fan 420 according to the coil temperature of the dc fan 420. Because the resistance value of the coil of the direct current fan 420 can change under different temperatures, the rotating speed is adjusted by monitoring the coil temperature of the direct current fan, so that the gas water heater works in the best combustion working condition. It should be noted that the feedback speed adjusting module is a module in the prior art, and the module performs a function of adjusting the rotation speed of the dc fan 420 according to the coil temperature of the dc fan 420.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and changes without departing from the spirit of the invention.
Claims (8)
1. A structure for a balanced gas water heater comprising:
a gas water heater inner chamber (700);
a heat exchanger (800) mounted in the gas water heater internal chamber (700);
the direct current fan (420) is arranged in the inner cavity (700) of the gas water heater and is used for exhausting the smoke passing through the heat exchanger (800);
it is characterized by also comprising:
and the fan control circuit board (500) is arranged separately from the direct current fan (420) and is arranged in a low-temperature area of the inner cavity (700) of the gas water heater.
2. The structure of a balanced gas water heater as claimed in claim 1, wherein:
the burner (600) in the gas water heater is positioned at the lower side of the heat exchanger (800), and the low-temperature region is the left and right side edge regions of the burner (600) or the lower side region of the burner (600).
3. The structure of a balanced gas water heater as claimed in claim 1, wherein:
the burner (600) in the gas water heater is positioned at the upper side of the heat exchanger (800), and the low-temperature region is the left and right side edge regions of the burner (600) or the upper side region of the burner (600).
4. The structure of a balanced gas water heater as claimed in claim 2, wherein: the main control circuit board (900) is installed in the inner cavity of the gas water heater, and the fan control circuit board (500) and the main control circuit board (900) are arranged in a split mode.
5. The structure of a balanced gas water heater as claimed in claim 2, wherein: the gas water heater is characterized in that a main control circuit board is installed in the inner cavity of the gas water heater, and the fan control circuit board (500) and the main control circuit board (900) are integrally arranged.
6. The structure of a balanced gas water heater according to any one of claims 1 to 4, wherein: direct current fan (420) are equipped with temperature sensor, be equipped with the circuit breaker on fan control circuit board (500), temperature sensor is used for gathering direct current fan (420)'s coil temperature, and when direct current fan (420)'s coil temperature reached the threshold value of predetermineeing, the power supply of circuit breaker disconnection direct current fan (420).
7. The structure of a balanced gas water heater as claimed in claim 5, wherein: the fan control circuit board (500) is provided with a feedback speed regulating module, and the feedback speed regulating module is used for regulating the rotating speed of the direct current fan (420) according to the coil temperature of the direct current fan (420).
8. The structure of a balanced gas water heater as claimed in claim 6, wherein: still include smoke exhaust pipe (300), collection petticoat pipe (410) is installed in gas heater inner chamber (700), the income smoke outlet of collection petticoat pipe (410) communicates with the outlet flue of heat exchanger (800), the outlet flue and the pipe (300) intercommunication of discharging fume of collection petticoat pipe (410), direct current fan (420) are used for driving the flue gas to flow to the outlet flue of collection petticoat pipe (410) from the income smoke outlet of collection petticoat pipe (410), direct current fan (420) through wire (510) with fan control circuit board (500) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677200.5U CN211041380U (en) | 2019-10-08 | 2019-10-08 | Structure of balanced gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677200.5U CN211041380U (en) | 2019-10-08 | 2019-10-08 | Structure of balanced gas water heater |
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| Publication Number | Publication Date |
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| CN211041380U true CN211041380U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921677200.5U Active CN211041380U (en) | 2019-10-08 | 2019-10-08 | Structure of balanced gas water heater |
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| CN (1) | CN211041380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090559A (en) * | 2021-05-11 | 2021-07-09 | 中山市安德森热能设备有限公司 | Novel smoke exhaust fan and wall-mounted furnace |
-
2019
- 2019-10-08 CN CN201921677200.5U patent/CN211041380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090559A (en) * | 2021-05-11 | 2021-07-09 | 中山市安德森热能设备有限公司 | Novel smoke exhaust fan and wall-mounted furnace |
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