CN217899973U - Water pump assembly and water mixing and temperature adjusting system - Google Patents
Water pump assembly and water mixing and temperature adjusting system Download PDFInfo
- Publication number
- CN217899973U CN217899973U CN202221069142.XU CN202221069142U CN217899973U CN 217899973 U CN217899973 U CN 217899973U CN 202221069142 U CN202221069142 U CN 202221069142U CN 217899973 U CN217899973 U CN 217899973U
- Authority
- CN
- China
- Prior art keywords
- water pump
- water
- pressure
- value
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model provides a water pump assembly is applied to and mixes water temperature regulating system, mixes water temperature regulating system and includes water supply pipe and return water pipeline, and water supply pipe and return water pipeline are through mixing water pipeline intercommunication, and water pump assembly includes: the water pump is arranged in the water supply pipeline; the first pressure sensor is arranged at the inlet end of the water pump and used for detecting the inlet pressure value of the water pump; the current sensor is electrically connected with a motor of the water pump and is used for detecting the current value of the motor; the controller is respectively electrically connected with the first pressure sensor, the current sensor and the water pump, and the controller is used for controlling the water pump to be opened or closed according to the inlet pressure value and the current value. Through pressure sensor and current sensor, detect the entry pressure value and the current value of water pump, and then open or close by controller control water pump, avoid water pump entry pressure to hang down or the electric current is too big and lead to the water pump to damage to protect the water pump.
Description
Technical Field
The utility model relates to a heat transfer control field especially relates to a water pump assembly and muddy water temperature regulating system.
Background
Along with the gradual improvement of the comfort level requirement of people to the indoor environment, adopt unified heating or refrigeration mode, can not satisfy people to the demand of temperature differentiation. In recent years, a mixed water temperature regulating system is gradually applied to the heat supply industry, and the mixed water temperature regulating system is arranged between an external heat source and indoor heat exchange equipment, so that the differentiated temperature regulating requirements of users are met.
In the related art, a water pump is arranged in a mixed water temperature adjusting system, and the water supply of an external heat source flows through indoor heat exchange equipment by using the driving force of the water pump so as to realize the heat exchange between the water supply and the indoor heat exchange equipment.
However, due to fluctuation of water supply flow in the mixed water temperature regulating system, the working pressure of the water pump is too low or the current is too large, the sealing abrasion of the water pump or the burning of the motor is easily caused, the damage of the water pump is caused, and the effective operation of the mixed water temperature regulating system is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a water pump assembly and muddy water temperature regulating system to solve among the prior art because the undulant of water supply flow among the muddy water temperature regulating system, lead to the sealed wearing and tearing of water pump or motor burnout easily, cause the problem of the damage of water pump.
In a first aspect, an embodiment of the present invention provides a water pump assembly, which is applied to a mixed water temperature regulating system, wherein the mixed water temperature regulating system includes a water supply pipeline and a water return pipeline, and the water supply pipeline is communicated with the water return pipeline through a mixed water pipeline; the water pump assembly includes: the device comprises a water pump, a first pressure sensor, a current sensor and a controller; the water pump is arranged in the water supply pipeline;
the first pressure sensor is arranged at the inlet end of the water pump and used for detecting the inlet pressure value of the water pump;
the current sensor is electrically connected with a motor of the water pump and is used for detecting the current value of the motor;
the controller is respectively electrically connected with the first pressure sensor, the current sensor and the water pump, and is used for controlling the water pump to be opened or closed according to the inlet pressure value and the current value.
Optionally, the water pump assembly further comprises: a temperature sensor;
the temperature sensor is arranged on a motor of the water pump and used for detecting the temperature value of the motor;
the temperature sensor is electrically connected with the controller, and the controller is used for controlling the water pump to be opened or closed according to the inlet pressure value, the current value and the temperature value.
Optionally, the water pump assembly further comprises: a second pressure sensor;
the second pressure sensor is arranged at the outlet end of the water pump and is used for detecting the outlet pressure value of the water pump;
the second pressure sensor is electrically connected with the controller, and the controller is used for controlling the water pump to be opened or closed according to the inlet pressure value, the current value and the outlet pressure value.
Optionally, the water pump assembly further comprises: a pressure switch;
the pressure switch is arranged at the inlet end of the water pump; the pressure switch is electrically connected with a motor of the water pump; the pressure switch is used for controlling the motor to be powered on or powered off according to the pressure at the inlet end.
Optionally, the water supply pipeline is further provided with an electric regulating valve, and an outlet end of the electric regulating valve is communicated with an inlet end of the water pump.
Optionally, the electric control valve is a three-way electric control valve, and the water mixing pipeline is communicated with the three-way electric control valve.
Optionally, the water mixing pipeline is provided with a check valve, and the check valve is communicated with the water supply pipeline in a one-way mode through the water return pipeline.
Optionally, the current sensor is a current transformer.
Optionally, the current sensor is a hall current sensor.
In a second aspect, the embodiment of the present invention provides a mixed water temperature regulating system, including: a water supply line, a water return line and a water pump assembly as described in any one of the above;
the water supply pipeline is communicated with the water return pipeline through a water mixing pipeline; the water pump assembly is disposed in the water supply line.
To the prior art, the utility model discloses possess following advantage:
the embodiment of the utility model provides an in, water pump assembly is applied to muddy water temperature regulating system, muddy water temperature regulating system includes water supply pipe and return water pipeline, water supply pipe and return water pipeline are through mixing water pipeline intercommunication, the water pump sets up in the water supply pipe, through setting up first pressure sensor, current sensor and controller, first pressure sensor is used for detecting the entry pressure value of water pump, current sensor is used for detecting the current value of the motor of water pump, the controller can receive the entry pressure value that first pressure sensor detected and the current value that current sensor detected, and open and close according to entry pressure value and current value control water pump. This water pump assembly can pass through first pressure sensor and current sensor, the entry pressure value and the current value of real-time detection water pump, and the controller is according to first pressure sensor and current sensor's testing result, the opening or closing of control water pump avoids because water pump entry pressure crosses the problem that low or the electric current is too big and lead to the water pump to damage to the realization is to the protection of water pump, thereby ensures the effective operation of muddy water temperature regulating system.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a water pump assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another water pump assembly provided by an embodiment of the present invention.
Reference numerals are as follows:
10. a water supply line; 11. a water return pipeline; 12. a water mixing pipeline; 20. a water pump; 200. a motor; 21. a first pressure sensor; 22. a current sensor; 23. a controller; 24. a temperature sensor; 25. a second pressure sensor; 26. a pressure switch; 27. an electric control valve; 28. a check valve.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The water pump assembly provided by the embodiment of the present invention is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Referring to fig. 1, a schematic structural diagram of a water pump assembly is shown, wherein the water pump assembly is applied to a mixed water temperature regulating system, the mixed water temperature regulating system comprises a water supply pipeline 10 and a water return pipeline 11, and the water supply pipeline 10 is communicated with the water return pipeline 11 through a mixed water pipeline 12; the water pump assembly includes: a water pump 20, a first pressure sensor 21, a current sensor 22, and a controller 23; a water pump 20 is provided in the water supply line 10.
The first pressure sensor 21 is arranged at the inlet end of the water pump 20, and the first pressure sensor 21 is used for detecting the inlet pressure value of the water pump 20; the current sensor 22 is electrically connected with the motor 200 of the water pump 20, and the current sensor 22 is used for detecting the current value of the motor 200; the controller 23 is electrically connected to the first pressure sensor 21, the current sensor 22, and the water pump 20, respectively, and the controller 23 is configured to control the water pump 20 to be turned on or off according to the inlet pressure value and the current value.
The embodiment of the utility model provides an in, the water pump subassembly is applied to muddy water temperature regulating system, muddy water temperature regulating system includes water supply line 10 and return water pipeline 11, water supply line 10 and return water pipeline 11 are through mixing water pipeline 12 intercommunication, water pump 20 sets up in water supply line 10, through setting up first pressure sensor 21, current sensor 22 and controller 23, first pressure sensor 21 is used for detecting the entry pressure value of water pump 20, current sensor 22 is used for detecting the current value of water pump 20's motor 200, controller 23 can receive the entry pressure value that first pressure sensor 21 detected and the current value that current sensor 22 detected and obtained, and open and close according to entry pressure value and current value control water pump 20. The water pump assembly can detect the inlet pressure value and the current value of the water pump 20 in real time through the first pressure sensor 21 and the current sensor 22, the controller 23 controls the water pump 20 to be turned on or turned off according to the detection results of the first pressure sensor 21 and the current sensor 22, the problem that the water pump 20 is damaged due to too low inlet pressure or too high current of the water pump 20 is avoided, the water pump 20 is protected, and effective operation of a water mixing and temperature adjusting system is guaranteed.
It can be understood that, the temperature regulating system that mixes water is usually installed between outside heat source and indoor heat transfer equipment to keep apart between the primary pipe network system of outside heat source and the secondary pipe network system of indoor heat transfer equipment, in order to realize the regulation to supplying water between primary pipe network system and the secondary pipe network system and return water flow, thereby realize the regulation to the heat transfer temperature.
Wherein the external heat source may include: boiler heating system, radiation air conditioning system etc. indoor indirect heating equipment can include: a floor heating system, an indoor refrigerating system and the like.
It needs to explain, mixes water temperature regulating system and can be applied to the heating system scene, also can be applied to the refrigerating system scene, the embodiment of the utility model provides an example in order to be applied to the heating system scene, the refrigerating system scene can refer to the heating system scene, the embodiment of the utility model provides a no longer describe here.
Specifically, the water supply pipeline 10 includes a primary water supply end and a secondary water supply end, the primary water supply end of the water supply pipeline 10 can be communicated with the water supply end of the primary pipe network system of the external heat source, and the secondary water supply end of the water supply pipeline 10 can be communicated with the water supply end of the secondary pipe network system of the indoor heat exchange device.
The water return pipeline 11 comprises a primary water return end and a secondary water return end, the primary water return end of the water return pipeline 11 can be communicated with a water return end of a primary pipe network system of an external heat source, and the secondary water return end of the water return pipeline 11 can be communicated with a water return end of a secondary pipe network system of the indoor heat exchange equipment.
As shown in fig. 1, a water pump 20 is provided in the water supply line 10, and the direction of the arrows shown is the flow direction of the water in the line system. The primary water supply in the primary pipe network system of the external heat source is mixed with the backwater in the water mixing pipeline 12 in the water supply pipeline 10 to form secondary water supply, and the secondary water supply flows into the indoor heat exchange equipment under the driving action of the water pump 20 to complete heat exchange in the indoor heat exchange equipment. The secondary water supply forms secondary backwater after heat exchange of a secondary pipe network system of the indoor heat exchange equipment, the secondary backwater flows into a backwater pipeline 11, wherein a part of the secondary backwater flows into a water supply pipeline 10 through a water mixing pipeline 12 and is mixed with the primary water supply to form secondary water supply; and the other part of secondary backwater passes through a backwater pipeline 11 and is used as a backwater end of a primary pipe network system for leading the primary backwater into an external heat source.
Specifically, the water pump assembly may include: the water pump comprises a first pressure sensor 21, a current sensor 22 and a controller 23, wherein the controller 23 is electrically connected with the first pressure sensor 21, the current sensor 22 and the water pump 20 respectively. The controller 23 may receive the detection data of the first pressure sensor 21 and the current sensor 22, and control the water pump 20 to be turned on or off based on the magnitude relationship between the detection data and the preset value.
The controller 23 may be provided with a control system, and the control system may receive the monitoring data and control the water pump 20 according to the monitoring data. Specifically, the controller 23 may include a processor and a memory, and preset computer program instructions may be stored in the memory, and in use, the processor may execute the computer program instructions stored in the memory to control the water pump 20.
Specifically, the first pressure sensor 21 is disposed at an inlet end of the water pump 20, and is used for detecting an inlet pressure value at the inlet end of the water pump 20 in real time. The first pressure sensor 21 is electrically connected to the controller 23, the first pressure sensor 21 transmits the detected inlet pressure value to the controller 23, and the controller 23 may receive the inlet pressure value.
Accordingly, the current sensor 22 is electrically connected to the motor 200 of the water pump 20 for detecting the current value of the water pump 20 in real time. The current sensor 22 is electrically connected to the controller 23, the current sensor 22 transmits the detected current value to the controller 23, and the controller 23 can receive the current value transmitted by the current sensor 22.
Further, the controller 23 compares the received inlet pressure value and the received current value with corresponding preset values, and when a first preset condition is met, the controller 23 controls the water pump 20 to be turned off; when the second preset condition is satisfied, the controller 23 controls the water pump 20 to be turned on.
It is understood that the first preset pressure value of the water pump 20 and the preset current value of the motor 200 of the water pump 20 may be preset before the water pump 20 operates, and the first preset pressure value and the preset current value may be introduced into the control system of the controller 23.
The first preset condition includes any one of the following conditions: the inlet pressure value is smaller than the first preset pressure value, or the current value is larger than the preset current value. The second preset condition is as follows: the inlet pressure value is greater than or equal to a first preset pressure value, and the current value is less than or equal to a preset current value.
It should be noted that the first preset pressure value and the preset current value may be set according to different system pressures, for example, the first preset pressure value may be set to 0.1MPa, and when the detected inlet pressure value is smaller than 0.1MPa, it is determined that the first preset condition is met, and the controller 23 may control the water pump 20 to be turned off. Those skilled in the art can set the actual conditions of the pipeline system, and the embodiment of the present invention does not limit this.
It can be understood that when the suction pressure of the water pump 20 is too low, the water pump 20 may idle, which may easily cause the seal of the water pump 20 to be worn, and when the current of the water pump 20 is too high, the motor 200 may be burnt out. The embodiment of the utility model provides an in, through setting up first pressure sensor 21 and current sensor 22, detect the entry end pressure value of water pump 20 and the current value of water pump 20 motor 200 respectively, set up pressure value and the current value that controller 23 received and obtained, compare through the default with corresponding to control opening or closing of water pump 20, avoid water pump 20 because entry pressure crosses the problem that leads to the damage excessively low or the electric current is too big, thereby play the guard action to water pump 20.
Optionally, referring to fig. 1, the water pump assembly further comprises: a temperature sensor 24; the temperature sensor 24 is arranged on the motor 200 of the water pump 20, and the temperature sensor 24 is used for detecting the temperature value of the motor 200; the temperature sensor 24 is electrically connected with the controller 23, and the controller 23 is used for controlling the water pump 20 to be turned on or turned off according to the inlet pressure value, the current value and the temperature value.
The embodiment of the utility model provides an in, the water pump subassembly can also include temperature sensor 24, and temperature sensor 24 sets up on water pump 20's motor 200, can detect water pump 20 motor 200's temperature value to the temperature value that will detect and obtain is transmitted for controller 23, and controller 23 receives the entry pressure value the current value and the temperature value to compare with the default that corresponds, thereby control opening or closing of water pump 20, can avoid because the entry pressure is low excessively, motor 200 electric current is too big or motor 200 high temperature etc. causes the water pump 20 that leads to damage, thereby play the guard action to water pump 20.
Specifically, the temperature sensor 24 may be fixedly installed on the motor 200 of the water pump 20 for detecting the temperature value of the water pump 20 passing through the motor 200 in real time, and the temperature sensor 24 is electrically connected to the controller 23 and can transmit the detected temperature value to the controller 23. The controller 23 compares the received inlet pressure value, the received current value and the received temperature value with corresponding preset values respectively, and when a third preset condition is met, the controller 23 controls the water pump 20 to be turned off, and the water pump 20 stops working; when the fourth preset condition is met, the controller 23 controls the water pump 20 to be turned on, and the water pump 20 continues to work.
Before the water pump 20 works, a preset temperature value of the motor 200 of the water pump 20 can be preset, and the preset temperature value is led into the control system of the controller 23.
The third preset condition includes any one of the following conditions: the inlet pressure value is smaller than a first preset pressure value, or the current value is larger than a preset current value, or the temperature value is larger than a first preset temperature value. The fourth preset condition includes: the inlet pressure value is greater than or equal to a first preset pressure value, the current value is less than or equal to a preset current value, and the temperature value is less than or equal to a preset temperature value.
It can be understood that, when the conditions that the heat dissipation of the motor 200 of the water pump 20 is poor, or the current of the motor 200 is too large, or the water pump 20 works abnormally, etc., the temperature of the motor 200 is too high, which easily causes the coil of the motor 200 to be burned out, therefore, the temperature sensor 24 is additionally arranged, and the temperature change of the motor 200 of the water pump 20 is monitored in real time, so as to protect the motor 200 of the water pump 20.
It should be noted that the preset temperature value may be set according to the performance of the motor 200 of the water pump 20, for example, the preset temperature value may be set to 60 degrees celsius, and when the detected temperature value is greater than 60 degrees celsius, it is determined that the third preset condition is satisfied, and the controller 23 may control the power off of the motor 200 of the water pump 20 to turn off the water pump 20. The skilled person in the art can set up the preset temperature value according to the actual conditions of water pump 20 motor 200, and the embodiment of the present invention does not limit this.
Optionally, referring to fig. 1, the water pump assembly further comprises: a second pressure sensor 25; the second pressure sensor 25 is arranged at the outlet end of the water pump 20, and the second pressure sensor 25 is used for detecting the outlet pressure value of the water pump 20; the second pressure sensor 25 is electrically connected to the controller 23, and the controller 23 is configured to control the water pump 20 to be turned on or off according to the inlet pressure value, the current value, and the outlet pressure value.
The embodiment of the utility model provides an in, the water pump subassembly can also include second pressure sensor 25, and second pressure sensor 25 sets up at the exit end of water pump 20, can detect the outlet pressure value of water pump 20 to the outlet pressure value that will detect and obtain is given controller 23, and controller 23 receives the inlet pressure value the current value and the outlet pressure value to compare with the default that corresponds, thereby control opening or closing of water pump 20, can avoid because the inlet pressure crosses low, the motor 200 electric current is too big or the water pump 20 that the load is not enough etc. reason leads to damages, thereby play the guard action to water pump 20.
Specifically, the second pressure sensor 25 may be disposed at the outlet end of the water pump 20 for detecting an outlet pressure value at the outlet end of the water pump 20 in real time and transmitting the outlet pressure value to the controller 23. The controller 23 compares the received inlet pressure value, the received current value and the received outlet pressure value with corresponding preset values respectively, and when a fifth preset condition is met, the controller 23 controls the water pump 20 to be closed, and the water pump 20 stops working; when the sixth preset condition is satisfied, the controller 23 controls the water pump 20 to be turned on, and the water pump 20 continues to operate.
Before the water pump 20 is operated, a second preset pressure value of the water pump 20 may be preset, and the second preset pressure value may be introduced into the control system of the controller 23.
The fifth preset condition includes any one of the following conditions: the inlet pressure value is smaller than a first preset pressure value, or the current value is larger than a preset current value, or the difference value between the outlet pressure value and the inlet pressure value is smaller than a second preset pressure value. The sixth preset condition includes: the inlet pressure value is greater than or equal to a first preset pressure value, the current value is less than or equal to a preset current value, and the difference value between the outlet pressure value and the inlet pressure value is greater than or equal to a second preset pressure value.
It can be understood that, when the temperature adjusting system operates, if there is air in the pipe system, although there is pressure in the pipe system at this time, and the pressure at the inlet end of the water pump 20 is also greater than the first preset pressure value, because there is air in the pipe, the air will gather at the impeller of the water pump 20, the water pump 20 operates without load, and the motor 200 of the water pump 20 is easily burned out or the seal is easily worn. Therefore, the outlet pressure value of the water pump 20 is detected by adding the second pressure sensor 25, and the protection of the motor 200 of the water pump 20 is realized by detecting the change of the difference value between the outlet pressure value and the inlet pressure value.
It should be noted that, the second preset pressure value can be set according to different system pressures, and those skilled in the art can set according to the actual situation of the pipeline system, and the embodiment of the present invention does not limit this.
Optionally, referring to fig. 2, the water pump assembly further comprises: a pressure switch 26; the pressure switch 26 is arranged at the inlet end of the water pump 20; the pressure switch 26 is electrically connected with the motor 200 of the water pump 20; the pressure switch 26 is used to control the motor 200 to be energized or de-energized depending on the pressure at the inlet end.
The embodiment of the utility model provides an in, the water pump assembly can also be provided with pressure switch 26, set up pressure switch 26 at the entry end of water pump 20 for the pressure variation of real-time supervision water pump 20 entry end, pressure switch 26 is connected with water pump 20's motor 200 electricity, when the pressure less than or equal to pressure switch 26's in the pipeline of water pump 20 entry end rated pressure value, pressure switch 26 control motor 200 outage, thereby close water pump 20, in order to protect water pump 20.
Specifically, the pressure connection end of the pressure switch 26 may be communicated with the pipeline at the inlet end of the water pump 20, and the circuit connection end of the pressure switch 26 may be connected in series with the circuit of the motor 200 of the water pump 20, and the rated pressure value of the pressure switch 26 may be preset.
When the pressure in the pipeline at the inlet end of the water pump 20 is less than or equal to the rated pressure value of the pressure switch 26, the circuit of the pressure switch 26 is disconnected, so that the motor 200 is powered off, and the water pump 20 is turned off; when the pressure in the pipe at the inlet end of the water pump 20 is greater than the rated pressure value of the pressure switch 26, the circuit of the pressure switch 26 is turned on, so that the motor 200 is powered on, thereby turning on the water pump 20. By adding the pressure switch 26, the pressure fluctuation in the pipeline system can be monitored in real time, so that the influence on the water pump 20 due to the pressure change of the pipeline system is avoided, and the pressure switch 26 is simple in installation and operation and low in cost.
It should be noted that the rated pressure value of the pressure switch 26 can be set according to the system pressure, and those skilled in the art can set the rated pressure value according to actual conditions, and the embodiment of the present invention does not limit this.
Specifically, the pressure switch 26 may be a normally open type pressure switch 26 or a normally closed type switch, a pressure connection end of the pressure switch 26 may be communicated with a pipeline at an inlet end of the water pump 20, a circuit connection end of the pressure switch 26 may be connected in series with a circuit of the motor 200 of the water pump 20, and a rated pressure value of the corresponding pressure switch 26 may be set.
Optionally, referring to fig. 2, the water supply line 10 is further provided with an electric control valve 27, and an outlet end of the electric control valve 27 is communicated with an inlet end of the water pump 20.
The embodiment of the utility model provides an in, can also set up electrical control valve 27 in water supply pipeline 10, the motorised valve exit end with the water supply flow size in water supply pipeline 10 can be adjusted through electrical control valve 27 to the water supply pressure value of water pump 20 entry end can be adjusted to the adjustment to water pump 20 entry end pressure, thereby avoid water pump 20 entry end pressure unusual, protect water pump 20.
Alternatively, the electric control valve 27 is a three-way electric control valve 27, and the mixing water pipeline 12 is communicated with the three-way electric control valve 27.
The embodiment of the utility model provides an in, electrical control valve 27 can tee bend electrical control valve 27, mix water pipeline 12 and tee bend electrical control valve 27 intercommunication, through tee bend electrical control valve 27 the flow of once supplying water in adjusting supply pipe 10, and the secondary return water flow of flowing into supply pipe 10 in mixing water pipeline 12, thereby can be relatively more accurate to the adjustment of the flow of supplying water in the supply pipe 10, with the system pressure of adjustment supply pipe 10, make system pressure satisfy water pump 20's operating pressure requirement, protect water pump 20.
Specifically, the three-way electric control valve 27 can be a flow-combining three-way electric control valve 27, that is, the three-way electric control valve 27 includes two inlets and one outlet, one of the inlets is connected with the water supply pipeline 10 for the inflow of the primary water supply, the other inlet is connected with the water mixing pipeline 12 for the inflow of the secondary water return, the primary water supply and the secondary water return are mixed to form the secondary water supply to flow out from the outlet, the outlet of the three-way electric control valve 27 can be communicated with the inlet end of the water pump 20, so that the secondary water supply can be supplied to the indoor heat exchange equipment through the water pump 20.
It should be noted that, the specific setting of the three-way electric control valve 27 can be set as required, and the embodiment of the present invention does not limit this.
Optionally, referring to fig. 2, the mixing water line 12 is provided with a check valve 28, and the check valve 28 is communicated with the water supply line 10 in a single direction from the water return line 11.
The embodiment of the utility model provides an in, can also set up check valve 28 in mixing water pipeline 12, check valve 28 is by return water pipeline 11 to supply channel 10 one-way conduction, can avoid supplying water once in the supply channel 10 to flow into return water pipeline 11 for once supply water can all flow through water pump 20, can prevent once supply water to flow into return water pipeline 11 and lead to flowing through water pump 20's water supply not enough, cause water pump 20's damage, thereby protect water pump 20.
Optionally, the current sensor 22 is a current transformer.
The embodiment of the utility model provides an in, can set up current sensor 22 into current transformer, utilize current transformer, can real-time supervision water pump 20 motor 200's current change, because current transformer acquires and simple structure easily, consequently, can the cost of reducing means, the installation of being convenient for actually is used.
Specifically, the current transformer may be selected from: the electromagnetic current transformer or the electronic current transformer can also select other types of current transformers, can select specific current transformers according to actual needs, and is not limited in comparison.
It should be noted that, specific electrical connection mode between the current transformer and the motor 200 of the water pump 20 can be set according to the working principle of the current transformers of different types, and the embodiment of the present invention does not limit this.
Specifically, the current transformer is electrically connected to the line of the motor 200 to detect the real-time current of the motor 200. The current transformer may be installed and fixed on the motor 200 of the water pump 20, or may be separately provided, or may be provided together with the controller 23, and may be set by those skilled in the art according to actual needs.
Optionally, the current sensor 22 is a hall current sensor 22.
The embodiment of the utility model provides an in, can set up current sensor 22 into hall current sensor 22, utilize hall current sensor 22, can the current variation of real-time supervision water pump 20 motor 200, because hall current sensor 22 can measure the electric current of different wave forms, consequently, can satisfy the detection demand to different wave form current variations for the suitability of device is stronger.
Specifically, the hall sensor current sensor can be selected from: open-loop hall sensor or closed-loop hall sensor can also choose the hall sensor of other types for use, can choose specific hall sensor for use according to actual need, the embodiment of the utility model provides a do not do the restriction to this.
It can be understood that the hall sensor can measure the current with different waveforms, such as direct current, alternating current, pulse waveform, etc., so that the hall sensor can be used without the limitation of the waveform of the current of the water pump 20, and the hall sensor has stronger applicability.
Specifically, the hall current sensor is electrically connected to a line of the motor 200 to detect a real-time current of the motor 200. The specific mounted position of hall sensor can install and fix on water pump 20's motor 200, also can set up alone, perhaps installs together with controller 23, certainly, hall sensor's specific mounted position can set up according to actual need, the embodiment of the utility model provides a do not do the restriction to this.
The embodiment of the utility model provides a still provide a muddy water temperature regulating system, include: a water supply line 10, a water return line 11 and any one of the above water pump assemblies; the water supply pipeline 10 is communicated with the water return pipeline 11 through a water mixing pipeline 12; a water pump assembly is provided in the water supply line 10.
Specifically, the embodiment of the present invention provides a water pump assembly, which can refer to the foregoing content and is not repeated herein.
In the embodiment of the utility model, the water mixing and temperature adjusting system comprises a water supply pipeline 10 and a water return pipeline 11, the water supply pipeline 10 is communicated with the water return pipeline 11 through a water mixing pipeline 12, and a water pump assembly is applied to the water mixing and temperature adjusting system; the water pump assembly includes: the water pump 20 is disposed in the water supply line 10, the first pressure sensor 21 is used for detecting an inlet pressure value of the water pump 20, the current sensor 22 is used for detecting a current value of the motor 200 of the water pump 20 by disposing the first pressure sensor 21, the current sensor 22 and the controller 23, and the controller 23 can control the water pump 20 to be turned on and off according to the inlet pressure value and the current value after receiving the inlet pressure value detected by the first pressure sensor 21 and the current value detected by the current sensor 22. This water pump assembly can be through first pressure sensor 21 and current sensor 22, real-time detection water pump 20's entry pressure value and current value, and controller 23 is according to first pressure sensor 21 and current sensor 22's testing result, and the opening or closing of control water pump 20 avoids leading to the problem that water pump 20 damaged because water pump 20 entry pressure is crossed low or the electric current is too big to the realization is to water pump 20's protection, thereby ensures muddy water temperature regulating system's effective operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. For embodiments of the apparatus, the electronic device, the computer-readable storage medium, and the computer program product containing instructions, which are substantially similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A water pump assembly is applied to a water mixing and temperature adjusting system, the water mixing and temperature adjusting system comprises a water supply pipeline and a water return pipeline, and the water supply pipeline is communicated with the water return pipeline through a water mixing pipeline; characterized in that, the water pump assembly includes: the device comprises a water pump, a first pressure sensor, a current sensor and a controller; the water pump is arranged in the water supply pipeline;
the first pressure sensor is arranged at the inlet end of the water pump and used for detecting the inlet pressure value of the water pump;
the current sensor is electrically connected with a motor of the water pump and is used for detecting the current value of the motor;
the controller is respectively electrically connected with the first pressure sensor, the current sensor and the water pump, and is used for controlling the water pump to be opened or closed according to the inlet pressure value and the current value.
2. The water pump assembly of claim 1, further comprising: a temperature sensor;
the temperature sensor is arranged on a motor of the water pump and used for detecting the temperature value of the motor;
the temperature sensor is electrically connected with the controller, and the controller is used for controlling the water pump to be opened or closed according to the inlet pressure value, the current value and the temperature value.
3. The water pump assembly of claim 1, further comprising: a second pressure sensor;
the second pressure sensor is arranged at the outlet end of the water pump and is used for detecting the outlet pressure value of the water pump;
the second pressure sensor is electrically connected with the controller, and the controller is used for controlling the water pump to be opened or closed according to the inlet pressure value, the current value and the outlet pressure value.
4. The water pump assembly of claim 1, further comprising: a pressure switch;
the pressure switch is arranged at the inlet end of the water pump; the pressure switch is electrically connected with a motor of the water pump; the pressure switch is used for controlling the motor to be powered on or powered off according to the pressure of the inlet end.
5. The water pump assembly as recited in claim 1, wherein the water supply line is further provided with an electrically controlled valve, an outlet end of the electrically controlled valve communicating with an inlet end of the water pump.
6. The water pump assembly of claim 5, wherein the electrical control valve is a three-way electrical control valve, and the mixing line is in communication with the three-way electrical control valve.
7. The water pump assembly as claimed in claim 1, wherein the mixing water line is provided with a check valve, and the check valve is communicated with the water supply line in one direction from the return line.
8. The water pump assembly of claim 1, wherein the current sensor is a current transformer.
9. The water pump assembly of claim 1, wherein the current sensor is a hall current sensor.
10. A mixed water tempering system comprising a water pump assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221069142.XU CN217899973U (en) | 2022-05-06 | 2022-05-06 | Water pump assembly and water mixing and temperature adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221069142.XU CN217899973U (en) | 2022-05-06 | 2022-05-06 | Water pump assembly and water mixing and temperature adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217899973U true CN217899973U (en) | 2022-11-25 |
Family
ID=84110764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221069142.XU Active CN217899973U (en) | 2022-05-06 | 2022-05-06 | Water pump assembly and water mixing and temperature adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217899973U (en) |
-
2022
- 2022-05-06 CN CN202221069142.XU patent/CN217899973U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5630408A (en) | Gas/air ratio control apparatus for a temperature control loop for gas appliances | |
| US20090314484A1 (en) | Standalone flow rate controller for controlling flow rate of cooling or heating fluid through a heat exchanger | |
| CN103900138A (en) | Double-compressor air energy heat pump heat supply and heating system | |
| US20150108230A1 (en) | Multiple zone control system and method of operation | |
| US10690356B2 (en) | Enhanced convection, differential temperature managed, hydronic heating appliance | |
| US10337763B2 (en) | Water heating system | |
| RU2300709C2 (en) | Automated heating station of heating system (variants) | |
| KR100633593B1 (en) | Heating control system | |
| AU2007231526B2 (en) | Dual heater, on demand water heating unit | |
| US20160273787A1 (en) | Diagnostic method for diagnosing the correct operation of a heating and/or cooling system | |
| CN110220314A (en) | Gas water heater control method and gas water heater | |
| US20190032961A1 (en) | Furnace accessory | |
| CN111473405A (en) | Intelligent shower system and control method thereof | |
| CN217899973U (en) | Water pump assembly and water mixing and temperature adjusting system | |
| CN106016764B (en) | Temperature adjusting device of electrical box, electrical box and air energy water heater | |
| CN103900139A (en) | Air energy heat pump heat supply and heating system with water tank inside | |
| CN109737484B (en) | Heating system for gas heating water heater and control method thereof | |
| CN207831701U (en) | Gas heater | |
| CN203052802U (en) | Air-energy heat-pump heat supply heating system with built-in water tank | |
| CN211011608U (en) | Be used for gas hanging stove and heat pump combination heating system and heating system thereof | |
| US4562956A (en) | Domestic hot water zone valve controlled external coil | |
| CN110207397B (en) | Fan step speed regulation circuit, fan assembly using same and gas water heater | |
| KR20040106651A (en) | Hot Water Supply System | |
| WO2016135494A1 (en) | A method of monitoring the usage of a boiler, a boiler and a boiler usage sensor | |
| CN105466036A (en) | Fire size remote regulating device with sensitivity cold temperature compensation of gas water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |