CN117054794A - Water heater detection method and device - Google Patents
Water heater detection method and device Download PDFInfo
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- CN117054794A CN117054794A CN202311302941.6A CN202311302941A CN117054794A CN 117054794 A CN117054794 A CN 117054794A CN 202311302941 A CN202311302941 A CN 202311302941A CN 117054794 A CN117054794 A CN 117054794A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 407
- 238000001514 detection method Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000012360 testing method Methods 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 10
- 238000011897 real-time detection Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 description 12
- 238000005070 sampling Methods 0.000 description 12
- 239000003657 drainage water Substances 0.000 description 4
- 238000012417 linear regression Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
Abstract
The application provides a water heater detection method and a device, wherein the method mainly comprises the following steps: acquiring a water heater to be detected, and a detection flow and a detection standard corresponding to the water heater to be detected; generating a monitoring and predicting trend chart according to the detection flow; obtaining a preconditioning scheme according to the monitoring and predicting trend graph; detecting the water heater to be detected based on the pre-adjustment scheme to obtain detection data; based on the detection data, a detection report is generated. According to the application, through specific pre-adjustment and pre-action, the time difference between the instruction and the action is reduced, an accurate detection result is obtained, and the state trend change is utilized, so that the error is further reduced.
Description
Technical Field
The application relates to the technical field of water heater detection, in particular to a water heater detection method and device.
Background
In the European Union water heater energy efficiency test, the characteristic of the European Union water heater energy efficiency test is that the energy efficiency test process needs to discharge water, the water discharge process is not one-time water discharge, the water discharge process is carried out for a plurality of times according to different load modes of the water heater according to the specified time and the specified water discharge energy, the actual water use process of the water heater is simulated, and the energy efficiency index is obtained. The control parameters related to the water discharge process in the energy efficiency test include water inlet temperature, water discharge flow and water discharge internal energy, and the water discharge times are more, for example, 11 times for S grade, 23 times for M grade and 24 times for L grade; the standard specifies the water discharge process: 1) Carrying out water discharge at a preset time and a preset interval, wherein the water inlet temperature and the water discharge flow rate are carried out according to a standard preset value, and 2) the water discharge is finished by taking the internal energy value of the current water discharge as a mark; in order to ensure a test function, the current test system directly connects drainage water and drainage water into a drainage pipeline or a drainage trench to drain water, and the drainage water and pre-drainage water are drained according to time; the flow split loop is preset, so that automatic adjustment is inconvenient, different machine flows are required to be manually adjusted respectively, a multi-station system operates simultaneously, the flow has an influence, and a single-station mode is generally adopted; the test personnel need to stare at the process during the test, the degree of automation is not high, and the time difference problem of the control valve is not considered in the detection process, so the detection precision is not high.
Disclosure of Invention
The application provides a water heater detection method and device, which are used for solving the defect of low detection precision in the prior art, realizing high-precision detection and multi-station automatic detection.
The application provides a water heater detection method, which comprises the following steps:
acquiring a water heater to be detected, and a detection flow and a detection standard corresponding to the water heater to be detected;
generating a monitoring and predicting trend chart according to the detection flow;
obtaining a preconditioning scheme according to the monitoring and predicting trend graph;
detecting the water heater to be detected based on the pre-adjustment scheme to obtain detection data;
based on the detection data, a detection report is generated.
In one possible implementation manner, the detection flow and the detection standard include:
and according to the model and industry standard of the water heater to be detected, a detection flow and a detection standard are formulated, wherein the detection flow comprises a water discharge condition, a water inlet temperature and a water discharge condition, and the detection standard comprises the national standard, the group standard and the European standard of the current water heater.
In one possible embodiment, the obtaining a preconditioning regimen comprises:
acquiring a temperature control action point of the working state of the water heater to be detected;
based on the trend of the heating period of the water heater to be detected, obtaining the average time and the highest temperature point of the heating period;
based on the average time and the maximum temperature point, a preconditioning regimen is obtained.
In one possible implementation manner, the detecting the water heater to be detected includes:
the water discharge temperature and the water inlet temperature are monitored in real time, and a real-time detection trend change chart is obtained according to a water discharge internal energy algorithm;
and obtaining detection actions and detection data according to the requirement of the water discharge result and the real-time detection trend change chart.
In one possible implementation, the generating the detection report includes:
judging the validity of the detection data, and if the detection data is invalid, carrying out popup reminding.
The application also provides a water heater detection device for executing any one of the water heater detection methods, comprising:
the detection module comprises a station, a water supply pipe, a drain pipe and a drain pipe, wherein one end of the water supply pipe is connected with a station water inlet, the other end of the water supply pipe is connected with the constant-temperature and constant-pressure water supply module, one end of the drain pipe is connected with a station water outlet, the other end of the drain pipe is connected with the water recovery module, and one end of the drain pipe is connected with the station water inlet;
the constant temperature and constant pressure water supply module comprises a constant temperature water tank, a variable frequency water pump, a temperature regulator and a proportional regulating valve, wherein a water outlet of the constant temperature water tank is connected with one end of the variable frequency water pump, the other end of the variable frequency water pump is connected with a water supply pipe, the temperature regulator is arranged in the constant temperature water tank, and the water outlet of the constant temperature water tank is provided with the temperature regulating module for regulating the water temperature entering the water supply pipe;
the water recycling module comprises a water draining and collecting tank, a water recycling pump, a cooling plate exchanger and a recycling pipeline, wherein a water inlet of the water draining and collecting tank is connected with a water draining pipe and a water draining pipe, a water outlet of the water draining and collecting tank is connected with one end of the water recycling pump, the other end of the water recycling pump is connected with one end of the cooling plate exchanger, and the other end of the cooling plate exchanger is connected with a water inlet of the constant-temperature water tank;
the measurement and control system comprises a sensor, an adjusting instrument and a control unit, wherein the sensor is used for collecting and monitoring data, the adjusting instrument is used for monitoring the state of each position in the current detection process, and the control unit is used for controlling the opening and closing of each water inlet and each water outlet.
In one possible embodiment, the detection module further comprises a water supply valve provided on the water supply pipe, a water drain valve provided on the water drain pipe, and a water drain valve provided on the water drain pipe, the water supply valve, the water drain valve, and the water drain valve being solenoid valves.
In one possible embodiment, the detection module further comprises a water discharge thermometer for detecting the water outlet and a water inlet thermometer for detecting the water inlet.
In one possible embodiment, the temperature regulation module comprises a pipeline heater and a cooling plate exchanger, wherein one end of the pipeline heater is connected with the constant temperature water tank, and the other end of the pipeline heater is connected with the cooling plate exchanger.
In one possible implementation mode, the constant temperature and constant pressure water supply module further comprises a water supply thermometer and a water supply pressure gauge, one end of the variable frequency water pump is connected with one end of the water supply thermometer, and the other end of the water supply thermometer is connected with the water supply pressure gauge.
According to the water heater detection method and device, the time difference between the instruction and the action is reduced through specific pre-adjustment and pre-action, an accurate detection result is obtained, and the error is further reduced by utilizing the state trend change; the water inlet temperature can be accurately controlled by adopting a water mixing temperature regulating mode, and the temperature precision reaches 0.1 ℃; the water recovery and cooling measures are set, so that the test water can be recycled; the cooling and heating are set to be replaced by plates, and natural cold sources are fully utilized to achieve the aim of energy conservation; the pressure and the temperature of the water supply loop can be regulated independently of station water, multi-station constant-temperature and constant-pressure water supply can be provided, and meanwhile, the use is not affected; the station flow can be adjusted steplessly, the stations can use water simultaneously, and the flow can be adjusted in real time.
Drawings
In order to more clearly illustrate the application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a water heater detection method according to the present application;
FIG. 2 is a second flow chart of a water heater detecting method according to the present application;
FIG. 3 is a third flow chart of a water heater detecting method according to the present application;
fig. 4 is a schematic structural diagram of a water heater detection device provided by the application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
A water heater detection method according to the present application is described below with reference to fig. 1 to 3.
S1, acquiring a water heater to be detected, and detecting a detection flow and a detection standard corresponding to the water heater to be detected.
In step S1, a detection flow and a detection criterion are acquired, including:
and (3) formulating a detection flow and a detection standard according to the model and industry standard of the water heater to be detected, wherein the detection flow comprises a water discharge condition, a water inlet temperature and a water discharge condition, and the detection standard comprises the national standard, the group standard and the European standard of the current water heater.
Specifically, working information such as rated working voltage and current of each item of water heater to be detected and information of each working state are obtained, a detection flow, such as clear water discharge requirement, is formulated according to the information, the detection flow is formulated based on a detection standard, wherein the detection standard can be standard tests such as national standard, group standard and European standard of the current electric water heater, and tests with special requirements are developed.
Further, the water discharge requirement includes a water discharge start condition, wherein the water discharge start condition can be performed according to time, such as starting according to a fixed time point; and the water is heated by a water heater until the temperature control is started.
S2, generating a monitoring and predicting trend chart according to the detection flow.
In step S2, a monitoring and predicting trend graph is generated, including:
according to time or water temperature or state points of a sample machine, the state points need to be subjected to trend judgment in advance, so that the water discharge starting point of the water heater to be detected is accurately judged, and the detection is more accurate.
Further, it is also possible to detect the relevant electrical parameters, the setpoint temperature, etc.
S3, obtaining a preconditioning scheme according to the monitoring and predicting trend graph.
In step S3, a preconditioning regimen is obtained, comprising:
s31, acquiring a temperature control action point of the working state of the water heater to be detected;
s32, obtaining average time and highest temperature point of a heating period based on a trend of the heating period of the water heater to be detected;
s33, obtaining a preconditioning scheme based on the average time and the highest temperature point.
Specifically, according to the water discharge requirement, two situations of preconditioning can be obtained, one of which is to start preconditioning at a fixed point in time, in advance of the time t, and the second is to precondition according to the trend of the heating process cycle of the water heater, wherein generally there are at least 3 complete cycles, and the specific preconditioning is as follows:
the algorithm of the heating i-th period of the water heater is as follows:
wherein,-heating cycle in h;
-heating electric energy of the ith heating process in kWh;
-heating efficiency;
C a -the water storage volume of the water heater, the unit is L;
C p specific heat capacity of water in unit of；
t ei When the temperature control in the ith heating process is released and the heating is finished, the temperature of water in the water tank is expressed as the unit of the temperature;
t si when the temperature control suction starts to heat in the ith heating process, the temperature of water in the water tank is expressed as the unit of the temperature;
repeating the heating process for n times before water discharge starts, and heating the average period:
termination temperature during heating cycle:
the preconditioning starting condition for discharging water for n+1 times is that the heating time is during the heating processAnd heating characteristic temperature t:
specifically, when the water is discharged during the water discharging process, the time lag exists between the system command and the action of the valve, so that the actual water discharging is delayed, and the end time is delayed when the water discharging is ended. The water discharge starting condition is further added with time delay at the beginning, and the time delay is obtained by simulating single water discharge before the test and is preset in advance.
S4, detecting the water heater to be detected based on a preconditioning scheme to obtain detection data.
In step S4, detecting the water heater to be detected includes:
s41, monitoring the water discharge temperature and the water inlet temperature in real time, and obtaining a real-time detection trend change chart according to an internal energy algorithm of the water discharge;
s42, detecting the trend change graph in real time according to the requirement of the water discharge result to obtain detection actions and detection data.
Specifically, according to the pre-adjustment scheme provided by the above, a valve action command is sent in advance according to the valve action lag time and the effective value time after the flow valve is opened; in the water discharging process, the water discharging temperature and the water inlet temperature are monitored, the water discharging internal energy is calculated, and the value of the water discharging internal energy and the trend of the water discharging temperature are judged in real time; and when the water is discharged, according to the requirement of the water discharge, the valve closing time lag and the decay time after the valve closing of the flow are combined according to the time or the water discharge temperature or the water discharge internal energy and the specific change trend, and the valve closing time lag and the flow decay time are acted in advance.
Further, the water discharge result includes a water discharge end condition, which specifically includes:
according to the water discharge temperature: when the water discharge starts, the water discharge temperature is ended to a specified temperature point;
the energy content in water is as follows: when the water discharge starts, the internal energy of the water discharge reaches a specified internal energy value;
according to the water discharge amount: when the water discharge starts, the water discharge amount reaches the prescribed water amount.
Specifically, the accurate calculation of the internal energy of the water in real time and the change trend of other key parameters are calculated as follows:
in which Q H2O Is the energy of water discharge, and the unit is kWh;
-total number of water discharges during the test;
-energy in single water discharge, in kWh;
the average temperature difference of water inlet and outlet in the single water discharging period is in units of ℃;
-the discharge flow rate during a single discharge, unit L;
C w specific heat capacity of water during a single water discharge,。
in particular at any momentAnd (3) discharging water heat: />
Wherein the method comprises the steps of——/>Heat is discharged at the moment, and the unit is W;
——/>the flow rate of water discharged at the moment is L/min;
——/>the temperature of water discharged at any time is in units of ℃;
——/>water supply temperature at the moment, unit ℃.
The energy in water discharge in the time is as follows: />
When any time is knownFlow rate of->，/>The water discharge amount in the time: />The relation between the water discharge temperature and time of the water heater in the water discharge period is complex, and the related factors are more and uncertain, so that the method of differentiating single water discharge is adopted, the data acquisition is combined, the sampling time is differentiated according to each time, and the highest sampling rate which can be realized in the application reaches 0.5s when the sampling time is smaller and is closer to the actual process; the flow and the water supply temperature in the water discharge period are control values, and are considered to be constant, so that the water discharge energy in the i-th sampling period is obtained:
the water discharge end condition is used for discharging heatWater discharge temperature->Water discharge amount->Is>Respectively carrying out moving linear regression processing within 12 sampling points (6 s) -carrying out real-time linear processing forward along with the water discharge time so as to predict the value of the sampling point in the future x-th sampling point: />
Wherein A and B, a and B, and m and n are equation coefficients of linear regression of each corresponding parameter in the ith sampling.
According to the ith sampling point and the first 11 sampling pointsThe linear regression coefficient is obtained, and each time the sampling is increased, the new regression coefficient is updated for the previous time in sequence. And (3) when the x sampling point reaches the water internal energy (or the water temperature value or the water flow) of the water discharge ending condition, sending out a command in advance for a preset time, ending the water discharge action, and finishing detection to obtain detection data.
S5, generating a detection report based on the detection data.
In step S5, a detection report is generated, including:
judging the validity of the detection data, and if the detection data is invalid, carrying out popup reminding.
Specifically, each time the water discharge is finished, an independent judgment of an internal data index is carried out on each amount, if the data is normal, an effective judgment is carried out, if the data is abnormal, a pop-up prompt is carried out, after the detection is finished, the uncertainty evaluation is carried out on the whole detection result, and a detection report is generated.
Based on analysis of the detection system and the test process, the valve and flow test action time can cause the difference of the water discharge amount and the result due to the time difference between the instruction and the action, and particularly when the water is discharged for many times, the error can be amplified, so that the pre-adjustment and the pre-action are set, the error caused by the time difference is reduced, the judgment of the state trend change is utilized, and the error is further reduced.
The following describes a water heater detection device provided by the present application, and the water heater detection device described below and the water heater detection method described above can be referred to correspondingly.
A water heater detecting apparatus of the present application will be described with reference to fig. 4, including: the system comprises a constant temperature and constant pressure water supply module, a plurality of detection modules, a water recovery module and a measurement and control system.
The detection module comprises a station, a water supply pipe, a drain pipe and a drain pipe, wherein one end of the water supply pipe is connected with a station water inlet, the other end of the water supply pipe is connected with a constant-temperature and constant-pressure water supply module, one end of the drain pipe is connected with a station water outlet, the other end of the drain pipe is connected with a reclaimed water module, and one end of the drain pipe is connected with the station water inlet, and the other end of the drain pipe is connected with the reclaimed water module.
The constant temperature and constant pressure water supply module comprises a constant temperature water tank, a variable frequency water pump, a temperature regulator and a temperature regulation module, wherein a water outlet of the constant temperature water tank is connected with one end of the variable frequency water pump, the other end of the variable frequency water pump is connected with a water supply pipe, the temperature regulator is arranged in the constant temperature water tank, and the water outlet of the constant temperature water tank is provided with the temperature regulation module for regulating the water temperature entering the water supply pipe.
The water recovery module comprises a water drainage and collection tank, a water recovery pump, a cooling plate exchange and a recovery pipeline, wherein a water inlet of the water drainage and collection tank is connected with a water drainage pipe and a water drainage pipe, a water outlet of the water drainage and collection tank is connected with one end of the water recovery pump, the other end of the water recovery pump is connected with one end of the cooling plate exchange, and the other end of the cooling plate exchange is connected with a water inlet of the constant-temperature water tank.
The measurement and control system comprises a sensor, an adjusting instrument and a control unit, wherein the sensor is used for collecting and monitoring data, the adjusting instrument is used for monitoring the state of each position in the current detection process, and the control unit is used for controlling the opening and closing of each water inlet and each water outlet.
In one possible embodiment, the detection module further comprises a water supply valve provided on the water supply pipe, a water drain valve provided on the water drain pipe, and a water drain valve provided on the water drain pipe, the water supply valve, the water drain valve, and the water drain valve being solenoid valves.
In one possible embodiment, the detection module further comprises a water discharge thermometer for detecting the water outlet and a water inlet thermometer for detecting the water inlet.
In one possible embodiment, the temperature regulation module comprises a pipeline heater and a cooling plate exchanger, wherein one end of the pipeline heater is connected with the constant temperature water tank, and the other end of the pipeline heater is connected with the cooling plate exchanger.
In one possible implementation mode, the constant temperature and constant pressure water supply module further comprises a water supply thermometer and a water supply pressure gauge, one end of the variable frequency water pump is connected with one end of the water supply thermometer, and the other end of the water supply thermometer is connected with the water supply pressure gauge.
Specifically, the temperature regulator that sets up in the constant temperature water tank is used for adjusting the temperature in the constant temperature water tank, make its temperature reach suitable temperature, this temperature regulator disposes heating unit and cooling unit, the water of constant temperature water tank passes through the variable frequency water pump and carries water to the water supply main pipe in, still be equipped with the water supply thermometer that is used for measuring the temperature of the water in the water supply main pipe and the water supply manometer of the water pressure in the water supply main pipe between variable frequency water pump and the water supply main pipe, the unnecessary water of water supply main pipe returns in the constant temperature water tank through cooling water unit and pipeline heater, pipeline heater still is equipped with the proportional control valve, control water supply temperature through adjusting the proportional control valve, thereby utilize variable frequency water pump and governing valve mode, can adjust water supply pressure in a large scale, and can respond the station fast and draw down the pressure fluctuation that arouses.
The water supply main pipe conveys water to the water inlet of the water heater to be detected through the water supply valve, the regulating valve, the flowmeter and the water inlet thermometer, the water outlet of the water heater to be detected is connected with the water discharge thermometer and the water discharge valve, the water flows into the water discharge pipe, the water inlet of the water heater to be detected is also connected with the water discharge valve, and redundant water flows into the water discharge pipe through the water discharge valve.
The water in the drain pipe flows into the drain water collecting tank, flows into the cooling plate through the recovery water pump, and flows into the constant-temperature water tank through the recovery water pipe after the temperature of the water is adjusted through the cooling plate.
In the application, the device is provided with the recovery water and the cooling measures, so that the test water can be recycled; the cooling and heating are carried out by plate exchange (or replaced by an air-cooled surface cooler), and natural cold sources are fully utilized to achieve the aim of energy conservation; the pressure and the temperature of the water supply loop can be regulated independently of station water, multi-station constant-temperature and constant-pressure water supply can be provided, and meanwhile, the use is not affected; the station flow can be adjusted steplessly, the stations can use water simultaneously, and the flow can be adjusted in real time.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A water heater detection method, comprising:
acquiring a water heater to be detected, and a detection flow and a detection standard corresponding to the water heater to be detected;
generating a monitoring and predicting trend chart according to the detection flow;
obtaining a preconditioning scheme according to the monitoring and predicting trend graph;
detecting the water heater to be detected based on the pre-adjustment scheme to obtain detection data;
based on the detection data, a detection report is generated.
2. The water heater testing method as set forth in claim 1, wherein the testing process and testing criteria include:
and according to the model and industry standard of the water heater to be detected, a detection flow and a detection standard are formulated, wherein the detection flow comprises a water discharge condition, a water inlet temperature and a water discharge condition, and the detection standard comprises the national standard, the group standard and the European standard of the current water heater.
3. A water heater detection method according to claim 1, wherein said obtaining a preconditioning regimen comprises:
acquiring a temperature control action point of the working state of the water heater to be detected;
based on the trend of the heating period of the water heater to be detected, obtaining the average time and the highest temperature point of the heating period;
based on the average time and the maximum temperature point, a preconditioning regimen is obtained.
4. The method for detecting a water heater according to claim 1, wherein detecting the water heater to be detected comprises:
the water discharge temperature and the water inlet temperature are monitored in real time, and a real-time detection trend change chart is obtained according to a water discharge internal energy algorithm;
and obtaining detection actions and detection data according to the requirement of the water discharge result and the real-time detection trend change chart.
5. The water heater testing method of claim 1, wherein said generating a test report comprises:
judging the validity of the detection data, and if the detection data is invalid, carrying out popup reminding.
6. A detection apparatus for performing a water heater detection method as claimed in any one of claims 1 to 5, comprising:
the detection module comprises a station, a water supply pipe, a drain pipe and a drain pipe, wherein one end of the water supply pipe is connected with a station water inlet, the other end of the water supply pipe is connected with the constant-temperature and constant-pressure water supply module, one end of the drain pipe is connected with a station water outlet, the other end of the drain pipe is connected with the water recovery module, and one end of the drain pipe is connected with the station water inlet;
the constant temperature and constant pressure water supply module comprises a constant temperature water tank, a variable frequency water pump, a temperature regulator and a proportional regulating valve, wherein a water outlet of the constant temperature water tank is connected with one end of the variable frequency water pump, the other end of the variable frequency water pump is connected with a water supply pipe, the temperature regulator is arranged in the constant temperature water tank, and the water outlet of the constant temperature water tank is provided with the temperature regulating module for regulating the water temperature entering the water supply pipe;
the water recycling module comprises a water draining and collecting tank, a water recycling pump, a cooling plate exchanger and a recycling pipeline, wherein a water inlet of the water draining and collecting tank is connected with a water draining pipe and a water draining pipe, a water outlet of the water draining and collecting tank is connected with one end of the water recycling pump, the other end of the water recycling pump is connected with one end of the cooling plate exchanger, and the other end of the cooling plate exchanger is connected with a water inlet of the constant-temperature water tank;
the measurement and control system comprises a sensor, an adjusting instrument and a control unit, wherein the sensor is used for collecting and monitoring data, the adjusting instrument is used for monitoring the state of each position in the current detection process, and the control unit is used for controlling the opening and closing of each water inlet and each water outlet.
7. The test device of claim 6, wherein the test module further comprises a water supply valve disposed on the water supply line, a drain valve disposed on the water drain line, and a drain valve disposed on the drain line, the water supply valve, the drain valve, and the drain valve being solenoid valves.
8. The detection device of claim 6, wherein the detection module further comprises a water discharge thermometer for detecting the water outlet and a water inlet thermometer for detecting the water inlet.
9. The detecting device of claim 6, wherein the temperature adjusting module comprises a pipeline heater and a cooling plate exchanger, one end of the pipeline heater is connected with the constant temperature water tank, and the other end of the pipeline heater is connected with the cooling plate exchanger.
10. The detecting device according to claim 6, wherein the constant temperature and constant pressure water supply module further comprises a water supply thermometer and a water supply pressure gauge, one end of the variable frequency water pump is connected with one end of the water supply thermometer, and the other end of the water supply thermometer is connected with the water supply pressure gauge.
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| CN202311302941.6A CN117054794B (en) | 2023-10-10 | 2023-10-10 | Water heater detection method and device |
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Citations (16)
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