CN216697080U - Prevent dry combustion method control system and consumer - Google Patents
Prevent dry combustion method control system and consumer Download PDFInfo
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- CN216697080U CN216697080U CN202123054721.5U CN202123054721U CN216697080U CN 216697080 U CN216697080 U CN 216697080U CN 202123054721 U CN202123054721 U CN 202123054721U CN 216697080 U CN216697080 U CN 216697080U
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Abstract
The utility model discloses an anti-dry burning control system and electric equipment, wherein the anti-dry burning control system comprises: a liquid storage tank; the electric heater is arranged in the liquid storage tank; the conveying pipe assembly comprises a liquid inlet pipe assembly and a liquid outlet pipe assembly, and the liquid inlet pipe assembly and the liquid outlet pipe assembly are both connected with the liquid storage tank; the detection module detects the medium temperature Tj near each group of electric heaters and/or detects the flow parameters Vi of each channel of conveying pipe assembly; and the control module controls the working state of the electric heater according to the detected medium temperature Tj and/or the flow parameter Vi. According to the utility model, by detecting the flow parameters Vi and the medium temperature Tj and analyzing, judging and disposing the flow parameters and the medium temperature Tj with corresponding set values, misdiagnosis and misstatement caused by poor connection of individual sensors or self faults are avoided, the device has a function of discriminating true and false dry burning, equipment outage caused by false dry burning is avoided, and reliability and equipment utilization rate are improved.
Description
Technical Field
The utility model relates to the technical field of electric heating control, in particular to an anti-dry heating control system and electric equipment.
Background
The dry-burning prevention control system is generally applied to electric equipment with a liquid storage tank and an electric heater, and has the functions of protecting the electric equipment, improving the operation reliability and prolonging the service life of the electric equipment. The dry burning prevention control system which is currently available mainly comprises the following two types.
The prior art discloses a rapid water heating device and a control method thereof, wherein a heating body is arranged outside a water boiling container, a water level sensor is arranged in a water tank, and dry burning prevention control is realized according to detection data of a temperature controller, a temperature detector and the water level sensor. The water level sensor is influenced by liquid level fluctuation, the detection is inaccurate, false alarm is caused, the temperature controller is arranged outside the container, the reaction is slow, the sensitivity is not high, the control mode can not discriminate true and false dry burning, and the reliability is lower.
The prior art also discloses an anti-dry heating control method, a storage medium, an anti-dry heating control device and an air conditioner, which judge whether dry heating exists or not by detecting the temperature of an atomizing sheet and calculating the temperature rise speed. The method is completely controlled by depending on the temperature of the atomizing sheet, and when the atomizing sheet has quality problems or line connection is loosened or dirt is adhered, the machine is easily shut down by misinformation.
Therefore, the existing dry burning prevention control system has the following defects:
1. the water level sensor is used as a control element, abnormal alarm of the water level sensor is easily caused by water flow surge or fluctuation of the liquid level of the water tank when equipment bumps, the dry burning prevention effect is triggered, the electric heater stops heating, the equipment is forced to stop working, the frequency of fault removal and maintenance operation is increased, and economic loss is caused;
2. the dry burning can not be discriminated, the sensor connecting wire is loose or the self fault easily triggers the dry burning prevention effect, so that the equipment is shut down.
Therefore, how to design a control system and an electric device for preventing dry burning accurately and reliably is an urgent technical problem to be solved in the industry.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides the dry burning prevention control system and the electric equipment.
The technical scheme adopted by the utility model is that an anti-dry heating control system is designed, and the anti-dry heating control system comprises:
a liquid storage tank;
the electric heater is arranged in the liquid storage tank;
the conveying pipe assembly comprises a liquid inlet pipe assembly and a liquid outlet pipe assembly, and the liquid inlet pipe assembly and the liquid outlet pipe assembly are both connected with the liquid storage tank;
the detection module detects the medium temperature Tj near each electric heater and/or detects the flow parameter Vi of each pipeline of conveying pipe components;
and the control module controls the working state of the electric heater according to the detected medium temperature Tj and/or the flow parameter Vi.
In one embodiment, the controlling module controlling the operating state of the electric heater according to the detected medium temperature Tj includes:
when all the medium temperatures Tj meet the set maximum temperature Tmax, the control module closes the electric heater;
when all the medium temperatures Tj meet the set minimum temperature Tmin or less, the control module turns on the electric heater;
when any one of the medium temperatures Tj is larger than or equal to the set minimum temperature Tmin, the control module turns off the electric heater.
In another embodiment, the controlling module controlling the operating state of the electric heater according to the detected flow parameter Vi comprises:
and when all the flow parameters Vi meet the set minimum flow parameter Vmin, the control module turns off the electric heater.
In yet another embodiment, the controlling module controlling the operating state of the electric heater according to the detected medium temperature Tj and the flow parameter Vi includes:
when all the flow parameters Vi meet the set minimum flow parameter Vmin or less, the control module closes the electric heater;
when any one flow parameter Vi is larger than or equal to the set minimum flow parameter Vmin, the control module controls the working state of the electric heater according to the medium temperature Tj.
Furthermore, the liquid inlet pipe assembly is used for sending media into the liquid storage tank, the liquid outlet pipe assembly is used for sending the media flowing out of the liquid storage tank outwards, and the flow parameter Vi is the flow or the flow speed of the liquid outlet pipe assembly.
Further, prevent dry combustion method control system still includes:
the heat exchanger can adjust the temperature of a medium flowing out of the liquid outlet pipe assembly;
and the power part provides power for the medium flow in the heat exchanger.
Furthermore, each liquid outlet pipe assembly is independently provided with a heat exchanger and a power part, the heat exchanger is connected between the liquid storage tank and the liquid outlet pipe assembly, a medium flowing out of the liquid storage tank sequentially passes through the heat exchanger and the liquid outlet pipe assembly, the power part is connected between the liquid storage tank and the heat exchanger, and the power part sends the medium flowing out of the liquid storage tank into the heat exchanger.
Further, be equipped with the heating chamber in the liquid storage pot and with the vertical reservoir of heating chamber separation setting, the opening of vertical reservoir up and with the heating chamber intercommunication, vertical reservoir is equipped with the liquid outlet of connecting the liquid outlet pipe subassembly.
The electric heater is arranged in the heating cavity, and the highest point of the electric heater at the uppermost part in the heating cavity is lower than the highest point of the vertical liquid storage tank.
In one embodiment, an electric heater includes: the heating tube is arranged around the sleeve, the terminal is electrically connected with the heating tube, and the terminal cover covers the terminal; the detection module includes: the temperature sensor is arranged in the sleeve, and the medium temperature Tj near the electric heater is detected by the temperature sensor.
Further, the electric heater further includes: the sleeve and the heating pipe are mounted on one side of the first flange, the terminal and the terminal cover are mounted on the other side of the first flange, one side, provided with the terminal cover, of the first flange is located outside the liquid storage tank, and the liquid storage tank is provided with a second flange matched with the first flange so as to hermetically mount the electric heater.
In one embodiment, the detection module comprises: and the fluid sensor is arranged in the conveying pipe assembly, and the flow parameter Vi of the conveying pipe assembly is detected by the fluid sensor.
The utility model also provides electric equipment with the dry burning prevention control system, and the electric equipment can be an air conditioner or a water heater.
Compared with the prior art, the utility model has the following beneficial effects
1. By sensing the temperature T of the mediumjAnd/or flow parameter ViThe working state of the electric heater is controlled, a water level sensor is not needed, and dry burning prevention control is not influenced by liquid level fluctuation;
2. all detected data are compared, and a control action is executed when corresponding conditions are met, so that the true and false dry burning can be effectively discriminated, and the control accuracy and reliability are improved;
3. the heat exchanger is designed, and the medium flowing out of the liquid storage tank passes through the heat exchanger, so that the dry burning prevention control system not only has a heating function, but also has a cooling function;
4. each liquid outlet pipe assembly is independently provided with a heat exchanger and a power part, so that multi-path liquid supply is realized, and the liquid supply temperature is adjustable.
Drawings
The utility model is described in detail below with reference to examples and figures, in which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a control module according to an embodiment of the present invention;
FIGS. 3-6 are schematic views of the exterior of a fluid reservoir in accordance with one embodiment of the present invention;
FIG. 7 is a schematic view of the interior of a liquid storage tank according to an embodiment of the utility model;
FIG. 8 is a schematic view of an electric heater according to an embodiment of the present invention;
fig. 9 is a control flow diagram according to an embodiment of the utility model.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The dry-burning prevention control system provided by the utility model is suitable for electric equipment with a liquid storage tank and an electric heater, wherein the electric equipment comprises but is not limited to an air conditioner, a water heater and the like, and the principle of the utility model is described in detail with reference to the embodiment.
As shown in fig. 1 to 6, the dry-heating prevention control system includes: the device comprises a liquid storage tank 1, at least one electric heater 2, at least one pipeline component, a detection module and a control module 5. The liquid storage tank 1 is used for storing media, the media refer to liquid media such as water, glycol solution and the like, the main body of the liquid storage tank 1 is formed by welding steel plates, and the shape of the main body is a hollow cuboid which plays roles of storing liquid and supporting. The liquid storage tank 1 is provided with a heat preservation layer which can be embedded in the tank wall, cover the outer wall of the steel plate or cover the inner wall of the steel plate to prevent heat from being dissipated. The liquid storage tank 1 is provided with a drain outlet 11, a liquid supplementing port 12, an inlet pipe interface 19 and a liquid outlet 20, the drain outlet 11 is hermetically provided with a detachable plug, the liquid supplementing port 12 is used for exhausting and supplementing media, the liquid storage tank 1 is further provided with a liquid viewing mirror interface 13 communicated with an inner cavity of the liquid storage tank, and the liquid viewing mirror interface 13 is used for installing a liquid viewing mirror, so that a user can observe the liquid level in the liquid storage tank 1 conveniently. The liquid storage tank 1 is also provided with a safety valve interface 14 for installing a safety valve, and the safety valve plays a safety protection role and prevents safety accidents caused by the increase of the pressure of the liquid storage tank 1 under insolation.
The electric heaters 2 are arranged in the liquid storage tank 1, in order to realize uniform heating of the medium, a plurality of electric heaters 2 can be arranged in the liquid storage tank 1, the specific number is not limited, and all the electric heaters 2 are synchronously switched on and off. Conveyer pipe subassembly includes feed liquor pipe subassembly 3 and drain pipe subassembly 4, feed liquor pipe subassembly 3 and drain pipe subassembly 4 all with liquid storage pot 1 sealing connection, feed liquor pipe subassembly 3 with advance a pipe interface 19 and be connected, be used for sending into liquid storage pot 1 with the medium, drain pipe subassembly 4 is connected with liquid outlet 20, be used for outwards seeing off the medium that liquid storage pot 1 flows out, multichannel feed liquor pipe subassembly 3 and drain pipe subassembly 4 can be connected to liquid storage pot 1, feed liquor pipe subassembly 3 and drain pipe subassembly 4 are not necessarily the relation of one-to-one, its quantity can design according to actual need. The electric heaters 2 and the detection modules are connected with the control module, the detection modules detect the medium temperature Tj near each electric heater 2 and/or detect the flow parameters Vi of each path of conveying pipe assembly, the control module controls the working state of the electric heaters according to the detected medium temperature Tj and/or the flow parameters Vi, the flow parameters Vi can be the flow or the flow velocity of the liquid inlet pipe assembly, and can also be the flow or the flow velocity of the liquid outlet pipe assembly 4, but the flow parameters Vi of the liquid pipe assembly 4 can more accurately reflect the use state of the liquid storage tank 1.
The utility model has no water level sensor, avoids the influence of liquid level fluctuation caused by water flow surge or equipment bump, and the control logic of the control module 5 can be various, which is explained in detail below.
In one embodiment, the detection module only detects the medium temperature Tj near each electric heater 2, and the control module 5 controls the operating state of the electric heater 2 according to the detected medium temperature Tj, and the determination conditions and execution actions are as follows.
When all the medium temperatures Tj meet the set maximum temperature Tmax, the control module 5 closes the electric heater 2;
when all the medium temperatures Tj meet the set minimum temperature Tmin or less, the control module 5 turns on the electric heater 2;
when any one medium temperature Tj is larger than or equal to the set minimum temperature Tmin, the control module 5 closes the electric heater 2.
In another embodiment, the detection module detects only the flow parameter V of each of the feeding tube assembliesiThe control module controls the working state of the electric heater 2 according to the detected flow parameter Vi, and the judgment conditions and the execution actions are as follows.
When all the flow parameters Vi satisfy the set minimum flow parameter Vmin or less, the control module turns off the electric heater 2.
In a further embodiment, the detection module detects the temperature T of the medium in the vicinity of the respective electric heater 2jAnd flow parameter V of each conveying pipe assemblyiThe control module controls the working state of the electric heater 2 according to the detected medium temperature Tj and the flow parameter Vi, and the judgment conditions and the execution actions are as follows.
When all the flow parameters Vi meet the set minimum flow parameter Vmin or less, the control module closes the electric heater 2;
when any one flow parameter Vi is larger than or equal to the set minimum flow parameter Vmin, the control module controls the working state of the electric heater 2 according to the medium temperature Tj as follows:
when all the medium temperatures Tj meet the set maximum temperature Tmax, the control module closes the electric heater 2;
when all the medium temperatures Tj meet the set minimum temperature Tmin or less, the control module turns on the electric heater;
when any one medium temperature Tj is larger than or equal to the set minimum temperature Tmin, the control module turns off the electric heater.
It should be understood that, in the above description, "all medium temperatures Tj" refers to all medium temperatures Tj at which the detection module can detect and obtain data, and assuming that four electric heaters 2 are installed in the liquid storage tank, the medium temperature near one electric heater 2 cannot be detected or cannot be detected, and the medium temperatures near the remaining three electric heaters 2 can be detected, the "all medium temperatures Tj" refers to the medium temperatures Tj near the remaining three electric heaters 2. Similarly, "all flow parameters Vi" refer to all flow parameters Vi that the detection module is capable of detecting and obtaining data. The utility model can avoid misdiagnosis and misstatement caused by poor connection of individual sensors or self fault by detecting more than two paths of flow parameters Vi and medium temperatures Tj near more than two electric heaters and analyzing, judging and disposing the flow parameters and the medium temperatures Tj with corresponding set values, has the function of discriminating true and false dry burning, avoids equipment outage caused by false dry burning, and improves reliability and equipment utilization rate.
In order to facilitate a user to know the running state of the dry burning prevention control system in time, the control module turns off the electric heater and simultaneously sends out a fault alarm signal to remind the user of abnormal heating of the liquid storage tank.
As shown in fig. 1, the dry-heating prevention control system further includes: heat exchanger 6 and power spare 7, heat exchanger 6 can adopt plate heat exchanger etc. two heat exchange tubes of heat exchanger 6 are used for circulation medium and refrigerant respectively, and the medium is through 6 and the cooling of refrigerant heat transfer of heat exchanger, realize adjusting the temperature of drain pipe subassembly 4 outflow medium. The power member 7 provides power for the medium flowing in the heat exchanger 6, and the power member 7 can adopt a water pump and the like. In order to realize multi-path liquid supply and adjustable temperature, each liquid outlet pipe assembly 4 is independently provided with a heat exchanger 6 and a power part 7, the heat exchanger 6 is connected between the liquid storage tank 1 and the liquid outlet pipe assembly 4, the power part 7 is connected between the liquid storage tank 1 and the heat exchanger 6, a liquid outlet 20 of the liquid storage tank 1 is connected with an inlet of the power part 7 through a pump inlet pipe assembly 8, an outlet of the power part 7 is connected with the heat exchanger 6 through a pump outlet pipe assembly 9 and a heat exchange inlet pipe assembly 10, the power part 7 sends a medium flowing out of the liquid storage tank 1 into the heat exchanger 6, and the medium enters the liquid outlet pipe assembly 4 after passing through the heat exchanger 6.
In a possible embodiment of the present invention, the liquid storage tank 1 is connected with two conveying paths, the first conveying path is the first pipe inlet assembly 3-1 → the liquid storage tank 1 → the first pump pipe inlet assembly 8-1 → the first power member 7-1 → the first pump pipe outlet assembly 9-1 → the first heat exchange pipe inlet assembly 10-1 → the first heat exchanger 6-1 → the first liquid outlet pipe assembly 4-1. The second conveying path is the second pipe inlet component 3-2 → the liquid storage tank 1 → the second pump pipe inlet component 8-2 → the second power part 7-2 → the second pump pipe outlet component 9-2 → the second heat exchange pipe inlet component 10-2 → the second heat exchanger 6-2 → the second liquid outlet pipe component 4-2.
As shown in fig. 7, the liquid storage tank 1 is provided with a heating cavity 15 and a vertical liquid storage tank 16 which are separately arranged, the liquid inlet pipe assembly 3 is communicated with the heating cavity 15, the liquid outlet pipe assembly 4 is communicated with the vertical liquid storage tank 16, the vertical liquid storage tank 16 is provided with a liquid outlet 20 connected with the liquid outlet pipe assembly 4, the electric heaters 2 are arranged in the heating cavity 15, in some embodiments, the electric heaters 2 are arranged in an up-and-down display mode, for example, four electric heaters 2 are arranged in the heating cavity 15, two electric heaters 2 are arranged at the lower part of the heating cavity 15, and the other two electric heaters 2 are arranged in the heating cavity 15The upper part of the cavity 15. The opening of the vertical liquid storage tank 16 faces upwards and is communicated with the heating cavity 15, when the water level of the heating cavity 15 is higher than the vertical liquid storage tank 16, hot water can enter the vertical liquid outlet tank 16, and the flowing parameter V of the liquid pipe assembly 4 is detectediCan reflect the water level condition in the liquid storage tank 1. The highest point of the electric heater 2 at the uppermost part in the heating cavity 15 is lower than the highest point of the vertical liquid storage tank 16, the height difference between the highest point of the electric heater 2 at the uppermost part in the heating cavity 15 and the highest point of the vertical liquid storage tank 16 is H, the size of H depends on the type of a medium and the vibration intensity of the liquid storage tank 1, the dry burning prevention is strengthened by utilizing the height difference, the vertical liquid storage tank 16 has the function of preventing dry burning and also has the function of stabilizing the flow, the liquid level of the liquid storage tank 1 is fluctuated immediately, water entering the liquid storage tank 1 stably passes through the liquid outlet pipe assembly 4 under the action of static pressure, and the influence of the flow parameter V caused by the intermittent flow is avoidediAnd the system reliability is improved.
As shown in fig. 8, the electric heater 2 includes: the heating device comprises a sleeve 21, a plurality of heating pipes 22 arranged around the sleeve 21, a terminal 23 electrically connected with the heating pipes 22, a terminal cover 24 covering the terminal 23, and a first flange 25, wherein the heating pipes 22 are U-shaped heating pipes, the end parts of the sleeve 21 and the heating pipes 22 are arranged on one side of the first flange 25, the terminal 23 and the terminal cover 24 are arranged on the other side of the first flange 25, one side of the first flange 25, on which the terminal cover 24 is arranged, is positioned outside the liquid storage tank 1, the liquid storage tank 1 is provided with a second flange 17 matched with the first flange 25, and the first flange 25 and the second flange 17 are fixedly connected to hermetically install the electric heater 2. It should be noted that the liquid inlet pipe assembly 3 and the liquid outlet pipe assembly 4 are mounted on the liquid storage tank 1 through a third flange 18.
The detection module includes: a temperature sensor arranged in the casing 21 and a fluid sensor 41 arranged in the delivery pipe assembly, the temperature T of the medium in the vicinity of the electric heater 22jThe flow parameter V of the conveying pipe assembly is detected by a temperature sensoriDetected by the fluid sensor 41. In the preferred embodiment, fluid sensor 41 is mounted within spout assembly 4, and may employ a water flow switch or the like.
It should be understood that, in the present invention, each electric heater 2 is provided with a temperature sensor, and each liquid outlet pipe assembly 4 is provided with a fluid sensor 41, so that the device will not be stopped due to the failure of a specific sensor, misdiagnosis and false alarm are avoided, and the reliability of dry burning prevention control is greatly improved. In a possible embodiment of the utility model, the two transport paths are provided with a first fluid sensor 41-1 and a second fluid sensor 41-2, respectively.
The dry burning prevention control method executed by the control module comprises the following steps:
detecting the temperature Tj of a medium near each electric heater 2 in the liquid storage tank 1 and/or detecting the flow parameters Vi of each pipeline component connected with the liquid storage tank 1;
the operating state of the electric heater 2 is controlled in dependence on the detected medium temperature Tj and/or the flow parameter Vi.
The utility model detects the temperature T of the mediumjAnd/or flow parameter ViThe working state of the electric heater 2 is controlled without detecting the liquid level in the liquid storage tank 1, the dry burning prevention control is not influenced by the fluctuation of the liquid level, and various control logics are available, which will be described in detail below.
In one embodiment, detecting the medium temperature Tj in the vicinity of each electric heater 2 in the fluid reservoir tank 1, and controlling the operating state of the electric heater 2 according to the medium temperature Tj comprises:
judging whether all the medium temperatures Tj meet the set maximum temperature Tmax or not;
if yes, the electric heater 2 is turned off;
if not, judging whether all the medium temperatures Tj meet the set minimum temperature Tmin or not, if so, turning on the electric heater 2, and if not, turning off the electric heater 2.
In another embodiment, detecting a flow parameter Vi of each of the feeding pipe assemblies connected to the fluid reservoir 1, and controlling the operating state of the electric heater 2 according to the flow parameter Vi includes:
judging whether all the flow parameters Vi meet the set minimum flow parameter Vmin or not;
if so, the electric heater 2 is turned off.
As shown in fig. 9, in a further embodiment, the medium temperature Tj in the vicinity of each electric heater 2 in the fluid reservoir tank 1 and the flow parameter Vi of each conduit assembly to which the fluid reservoir tank 1 is connected are detected; controlling the operating state of the electric heater 2 in dependence on the medium temperature Tj and the flow parameter Vi comprises:
judging whether all the flow parameters Vi meet the set minimum flow parameter Vmin or not;
if yes, the electric heater 2 is turned off;
if not, the working state of the electric heater 2 is controlled according to the medium temperature Tj, and the control logic is as follows:
when all the medium temperatures Tj meet the set maximum temperature Tmax, the electric heater 2 is closed;
when all the medium temperatures Tj meet the set minimum temperature Tmin or less, the electric heater 2 is turned on;
when any one of the medium temperatures Tj is greater than or equal to the set minimum temperature Tmin, the electric heater 2 is turned off.
It should be pointed out that, turn off electric heater 2 and simultaneously outwards send out fault alarm signal to remind user's liquid storage pot 1 to heat unusually, flow parameter Vi is the flow or the velocity of flow of drain pipe subassembly 4, but detects that flow parameter Vi of liquid pipe subassembly 4 can more accurate reflection liquid storage pot 1 user state, also can detect the flow or the velocity of flow of feed liquor pipe subassembly 3 in the practical application.
The utility model has the functions of screening true and false dry combustion, avoiding equipment deactivation caused by false dry combustion and improving the reliability and the equipment utilization rate by detecting the flow parameters Vi and the medium temperature Tj and analyzing, judging and disposing the flow parameters Vi and the medium temperature Tj and corresponding set values to avoid misdiagnosis and misstatement caused by undetected individual detection data.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. Prevent dry combustion method control system, its characterized in that includes:
a liquid storage tank;
the electric heater is arranged in the liquid storage tank;
the conveying pipe assembly comprises a liquid inlet pipe assembly and a liquid outlet pipe assembly, and the liquid inlet pipe assembly and the liquid outlet pipe assembly are both connected with the liquid storage tank;
a detection module that detects a temperature T of the medium in the vicinity of each of the electric heatersjAnd/or detecting a flow parameter V of each of said duct assembliesi；
A control module for detecting the temperature T of the mediumjAnd/or said flow parameter ViAnd controlling the working state of the electric heater.
2. The anti-dry heating control system of claim 1, wherein the liquid inlet pipe assembly is used for feeding a medium into the liquid storage tank, the liquid outlet pipe assembly is used for feeding the medium flowing out of the liquid storage tank, and the flow parameter V isiIs the flow or flow rate of the liquid outlet pipe assembly.
3. The dry-fire prevention control system of claim 1, further comprising:
the heat exchanger can adjust the temperature of the medium flowing out of the liquid outlet pipe assembly;
a power member to power the flow of the medium in the heat exchanger.
4. The anti-dry heating control system according to claim 3, wherein each of the liquid outlet pipe assemblies is independently provided with a heat exchanger and a power element, the heat exchanger is connected between the liquid storage tank and the liquid outlet pipe assembly, a medium flowing out of the liquid storage tank sequentially passes through the heat exchanger and the liquid outlet pipe assembly, the power element is connected between the liquid storage tank and the heat exchanger, and the power element sends the medium flowing out of the liquid storage tank into the heat exchanger.
5. The dry burning prevention control system of claim 1 wherein the liquid storage tank has a heating chamber and a vertical liquid storage tank spaced from the heating chamber, the vertical liquid storage tank has an opening facing upward and is in communication with the heating chamber, and the vertical liquid storage tank has a liquid outlet connected to the liquid outlet pipe assembly.
6. The dry-fire prevention control system of claim 5 wherein the electric heater is mounted in the heating chamber with the highest point of the uppermost electric heater in the heating chamber being lower than the highest point of the vertical reservoir.
7. The dry-fire prevention control system of claim 1, wherein the electric heater comprises: the heating tube is arranged around the sleeve, the terminal is electrically connected with the heating tube, and the terminal cover covers the terminal;
the detection module comprises: a temperature sensor arranged in the sleeve, a medium temperature T near the electric heaterjDetected by the temperature sensor.
8. The dry-fire prevention control system of claim 7, wherein the electric heater further comprises: the heating pipe is arranged on one side of the first flange, the terminal and the terminal cover are arranged on the other side of the first flange, the first flange is arranged on one side of the terminal cover and located outside the liquid storage tank, and the liquid storage tank is provided with a second flange matched with the first flange to be arranged in a sealing mode.
9. The dry-fire prevention control system of claim 1, wherein the detection module comprises: a fluid sensor mounted within the delivery tube assembly, a flow parameter V of the delivery tube assemblyiDetected by the fluid sensor.
10. An electric appliance having the dry-fire prevention control system according to any one of claims 1 to 9.
11. The electrical device of claim 10, wherein the electrical device is an air conditioner or a water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054721.5U CN216697080U (en) | 2021-12-07 | 2021-12-07 | Prevent dry combustion method control system and consumer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054721.5U CN216697080U (en) | 2021-12-07 | 2021-12-07 | Prevent dry combustion method control system and consumer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216697080U true CN216697080U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123054721.5U Active CN216697080U (en) | 2021-12-07 | 2021-12-07 | Prevent dry combustion method control system and consumer |
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| Country | Link |
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| CN (1) | CN216697080U (en) |
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2021
- 2021-12-07 CN CN202123054721.5U patent/CN216697080U/en active Active
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