CN109470737A - A kind of antifreeze tape lifetime test device of solar water heater and method - Google Patents
A kind of antifreeze tape lifetime test device of solar water heater and method Download PDFInfo
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- CN109470737A CN109470737A CN201811295942.1A CN201811295942A CN109470737A CN 109470737 A CN109470737 A CN 109470737A CN 201811295942 A CN201811295942 A CN 201811295942A CN 109470737 A CN109470737 A CN 109470737A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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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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Abstract
The present invention relates to a kind of antifreeze tape lifetime test devices of solar water heater, belong to technical field of solar water heaters.Including the time relay, electromagnetic relay, counter, data collecting instrument, temperature detecting resistance, fixed device, connecting terminal；One end of the connecting terminal and antifreeze band connection, the other end is connected with the time relay, and the time relay is connected with electromagnetic relay, and electromagnetic relay is connected with counter, the antifreeze band is fixed on the securing means, and the temperature detecting resistance is arranged on the radiating surface of antifreeze band；The data collecting instrument is connected with temperature detecting resistance.Using antifreeze with itself having the characteristics that certain power, heating, cooling loop test directly is carried out to it by being powered, powering off, to simulate the true use environment of antifreeze band, can more accurately test out the service life of antifreeze band.
Description
Technical field
The invention belongs to technical field of solar water heaters more particularly to one kind being capable of the antifreeze band of analog solar water heater
Use state, and then test the device and method of antifreeze tape lifetime.
Background technique
Antifreeze band has the performance of heat temperature raising, is wrapped in the periphery on water heater down pipes road, primarily serves
Protect water heater down pipes road not freeze-up in winter or even bursting by freezing effect, it is therefore desirable to which antifreeze band is through excessive
Still its power and thermal diffusivity be can guarantee after the recycling of secondary hot cold state.
China does not clearly require the service life of the antifreeze band of solar water heater, and the power for being only required to its factory is wanted
Reach corresponding requirement (GB/T19835 requires to carry out heat stability testing to antifreeze band), however, if antifreeze band was using
It fails in journey, will result in pipeline icing, gently then water can not flow to user's family from solar energy, and heavy then pipeline is needed by bursting by freezing
Re-replace pipeline；And the design life of solar water heater is generally 15 years, if being mounted with service life shorter antifreeze
Band will lead to the antifreeze improper failure of band in the normal use time limit of water heater, cause unnecessary trouble, therefore, go out
Before factory, just seem increasingly important to the life test for testing antifreeze band, is calculated by annual using 60 times, 15 years are exactly 900 times,
That is it must assure that antifreeze band has 900 times or more service life, just can guarantee and prevent during water heater normal use
Freezing band will not fail.
Currently, those skilled in the art are generally according to national standard GB/T32348.1- in order to test the thermal stability of antifreeze band
Method specified in 2015 tests antifreeze band, this is only a kind of test of thermal stability, in this method, firstly, surveying
The bottom plate that examination requires is needed using metal plate, secondly, it is desirable that the time of each circulation has to be larger than 15 minutes, again, it is desirable that gold
Belonging to plate has the heating function for meeting test temperature.Found after long term test of the present invention, analysis: antifreeze band sheet as heater element,
Lose the effect of itself if being heated using western medium, and carrying out that heating can cause antifreeze band with metal plate need not
The injury wanted increases test error, cannot the more specific performance for reacting antifreeze band itself.In the test side that above-mentioned national standard provides
In method, it is desirable that antifreeze band is tested inside insulating layer, is had self limiting temperature function because antifreeze, cannot thus be reached itself
Maximum temperature, reduces the degree of aging of test sample, also will increase the test error to sample.Because in the test of above-mentioned national standard
In method, it is desirable that power is not less than the 90% of former power after the completion of test, however, proved by present invention production installation practice,
Using above-mentioned state's calibration method test after, antifreeze band other than losing power, there is also power after aging become larger suddenly it is serious
Problem, because connector is typically all on roof, and because power becomes larger after humidity, sparking even electricity, pacifies solar energy when starting
For dress, since insulating layer is not fire proofing, fire accident is often resulted in.For this reason, it is necessary to study a kind of test solar energy
The device of the antifreeze tape lifetime of water heater, to solve the inconvenience of test method bring and mesh in national standard GB/T32348.1-2015
The preceding the problem of test of antifreeze tape lifetime is not clearly required, to guarantee antifreeze band complete and solar water before factory
The service life of device matches.
Summary of the invention
For above-mentioned problems of the prior art, the present invention is intended to provide a kind of antifreeze tape lifetime of solar water heater
Test device and method, the test device that the present invention designs have been well solved antifreeze by the use state of the antifreeze band of simulation
The problem of tape lifetime is tested, to guarantee that antifreeze band complete and solar water heater service life before factory is to match
's.
An object of the present invention is to provide a kind of antifreeze tape lifetime test device of solar water heater.
The second object of the present invention is to provide a kind of antifreeze tape lifetime test method of solar water heater.
The third object of the present invention is to provide the application of the antifreeze tape lifetime test device of above-mentioned solar water heater.
For achieving the above object, specifically, the invention discloses following technical proposals:
Firstly, the invention discloses a kind of antifreeze tape lifetime test device of solar water heater, including the time relay, electricity
Magnetic relay, counter, data collecting instrument, temperature detecting resistance, fixed device, connecting terminal, temperature controller and temperature probe.
One end of the connecting terminal and temperature controller, antifreeze band are sequentially connected, the connecting terminal other end and time after
Electric appliance connection, the time relay are connected with electromagnetic relay, and electromagnetic relay is connected with counter, and the antifreeze band is fixed on solid
Determine on device, the temperature detecting resistance is arranged on the radiating surface of antifreeze band and connect with data collecting instrument, the temperature controller setting
On conducting wire between connecting terminal and antifreeze band, and temperature controller is connect with temperature probe, and the temperature probe is arranged antifreeze
Belt surface.
It is the reason of antifreeze tape test is failed in addition to the function that illustrates in GB/T19835 that the present invention, which is arranged the reason of temperature controller,
Except rate reduces, there are also power proposed by the present invention to increase, because the power of antifreezing solar energy band is generally 25W, standard is opened
Streaming current requires to be less than 0.6A/m, and after antifreeze band power becomes larger failure, power is likely to be breached 120W or more, and starting current can be remote
More than 1A, because the overall performance of antifreeze band is designed according to 0.6A/m, if not considering what this Partial Power rose
Words, in actual use, it is easy to cause the own temperature of antifreeze band excessively high, route temperature rise is excessive, causes fire casualty.And it sets
When setting a temperature controller, as long as temperature probe detects that the temperature of antifreeze belt surface has been more than the temperature set in temperature controller, temperature control
Device will jump disconnected, to cut off the power supply between connecting terminal and antifreeze band, power off entire test macro, protect test macro
Safety.
Further, temperature controller can also be connect with computer, the antifreeze band temperature that computer is detected by temperature probe
It is compared with the safe temperature upper limit pre-set, once find that antifreeze band temperature has been more than the safe temperature upper limit, at once
It controls temperature controller to disconnect, protects the safety of entire test macro.This mode uses this mechanical temp controlled side of temperature controller with simple
Formula is compared, and entire detection process can be made more to automate using computer control, is accurate, reliable.
Further, the present invention provides another solar water heater antifreeze tape lifetime test device, in order to need
The method that the safety of test macro is protected when wanting, the test device includes the time relay, electromagnetic relay, counter, number
According to Acquisition Instrument, temperature detecting resistance, fixed device, connecting terminal and computer.
The time relay, electromagnetic relay, counter, data collecting instrument, temperature detecting resistance, fixed device and terminals
Connection relationship is same as above between son, and the time relay is connected by connecting terminal with computer, the computer and data collecting instrument
Connection.
The reason of being arranged in this way is: (1) computer can make full use of the temperature data of data collecting instrument real-time collecting to supervise
The temperature of antifreeze band is surveyed, once finding that antifreeze band temperature has been more than the safe temperature upper limit, the time relay is controlled at once and disconnects, make
Entire test macro power-off, protects the safety of test macro.(2) it when the antifreeze band model difference of test, can be directed to respectively
Safe temperature is arranged in the antifreeze band of different model, and when being more than safe temperature, the power supply that can cut off the antifreeze band of the model stops
Test, the test without influencing other antifreeze bands, this method of the invention is by the test method in GB/T32348.1-2015
It is improved to multiple samples, multiple models from a sample test can only be directed to while testing, working efficiency greatly improved, save
Time cost, can quickly adapt to the demand in market.
Preferably, the fixed device is fixed on flame-retardant board, due to what is set according to test device of the invention
Time is tested automatically, and antifreeze band may cause to fail since antifreeze band power is excessively high during the test, even
In the heating time of setting, it can also be warming up to excessive temperature and catch fire, it is fire-retardant therefore, it is necessary to be laid with below the antifreeze band of test
Plate avoids catching fire.
Preferably, the temperature detecting resistance is PT100 platinum resistance, and the test performance of this resistance is more stable, helps to protect
Demonstrate,prove the stability and accuracy of test.
Preferably, the model JDM1-9 of the counter；The model AL2F of the electromagnetic relay；The temperature controller
For temperature adjustable temperature controller.
Further, the number of rows of the connecting terminal can according to need the antifreeze band selection with batch test, can both unite
One control disconnects, and can also separate single control disconnection.
In the present invention, the effect of the time relay is the time according to setting, the folding of control switch, to reach control
The purpose of system heating and cooling time.The effect of the temperature detecting resistance is the temperature of antifreeze band in real-time monitoring test process, institute
The effect for stating data collecting instrument is the temperature collecting temperature detecting resistance and monitoring, in order to assess antifreeze band is when to fail,
The effect of the connecting terminal first is that being passed through electric current into tested antifreeze band.
The effect of the electromagnetic relay is to convert high current to after micro-current to be passed through in counter again, avoids counter
It is burned.Because the present invention has found in actual test, counter needs input switch signal to be operated, if by antifreeze band
Current signal be directly accessed counter, often result in counter damage, interrupt entire test process, test failure, it is necessary to
Restart.And the contact current load of electromagnetic relay is enough (10A), the current signal of antifreeze band accesses electromagnetic relay,
After electromagnetic relay is attracted, the not load-carrying contact of electromagnetic relay is attracted, this signal is transmitted to counter, can thus be protected
Even if demonstrate,proving antifreeze band to break down, it also can clearly retain the number data of test, the service life of antifreeze band can be filled
Divide assessment.
Secondly, the present invention discloses a kind of antifreeze tape lifetime test method of solar water heater, include the following steps:
(1) as needed the closure of the heating temperature setting time relay that reaches of antifreeze band to be measured with disconnect when
Between, antifreeze band is fixed on the securing means, it is spare；
(2) time relay is closed, and is powered to antifreeze band, and antifreeze band starts to warm up, while electromagnetic relay is attracted, and is counted
Device adds one；When reaching the closing time of setting, the time relay is disconnected, and antifreeze band temperature is fallen after rise；Meanwhile electromagnetic relay is disconnected
Electricity, counter signals disconnect.The time relay is switched to closed state when reaching turn-off time, antifreeze band starts to warm up, simultaneously
Electromagnetic relay is attracted, and counter adds one；Temperature detecting resistance is monitored the temperature of antifreeze band, and by data collecting instrument to monitoring
The data that warm resistance measures are acquired and record；
(3) step (2) are repeated, until antifreeze band fails, antifreeze tape lifetime is judged according to the number of circulation.
In step (1), the closure of the time relay is respectively 5min and 3min with the time disconnected.Closing time is set
When being set to 5min, it is ensured that the heating temperature of antifreeze band is maintained at 60 DEG C, avoids causing antifreeze since heating temperature is excessively high
Band failure makes the detection inaccuracy of antifreeze band, it should be noted that by sufficiently test, at selection of time 5 minutes and 3 minutes,
Antifreeze band can be made to can achieve maximum temperature and fall room temperature after rise, thus by the testing time in GB/T32348.1-2015 by 15 points
Clock is fallen below 8 minutes, can faster evaluate the state of antifreeze band.
Solar energy is 25W with the heating power of antifreeze band, can be failed at a high temperature of 75-80 DEG C or more；Turn-off time
It is set as 3min, it is ensured that the temperature of antifreeze band falls back to room temperature；Therefore, the closure of the time relay is needed with the time disconnected
Strictly to be arranged according to above-mentioned requirements.
In step (3), duplicate total degree is not less than 900 times, preferably 900 times, because of the design of solar water heater
Service life is generally 15 years, and qualified antifreeze tape lifetime just can be with the longevity of solar water heater after 900 circulations
Life matching, timely termination detection, avoids the volume of the energy, time when so also can be still qualified after detection reaches 900 circulations
Outer consumption.
It should be understood that powered off after reaching conduction time, and to be repeated once when reaching power-off time.
Finally, the invention discloses the antifreeze tape lifetime test devices of solar water heater in electric information vigour part life test
In application.For example, solenoid valve durability is surveyed in the life test of electromagnetic relay, solid-state relay, A.C. contactor etc.
Examination, light bulb class life test etc..
Compared with prior art, the beneficial effect that the present invention obtains is:
(1) using antifreeze with itself having the characteristics that certain power, directly heated up by energization, power-off to it,
Down cycles test, to simulate the true use environment of antifreeze band, can more accurately test out antifreeze band in this way
Service life, because the use environment of antifreeze band is exactly when outside air temperature is down to zero following, be powered starting heating, by certainly
The power of body converts electrical energy into thermal energy, plays the role of preventing solar water heater water pipe from freezing, temperature go back up to zero degree with
After upper, the electric current for being passed through antifreeze band is disconnected, and the temperature of antifreeze band is fallen after rise；Therefore, only in simulated environment as true as possible
Aptitude test goes out the true lifetime of antifreeze band, guarantees the qualified product of factory.
(2) the device of the invention is to test automatically, does not need manual record, reduces human error, time saving and energy saving and survey
Amount is accurate；Meanwhile the device of the invention is simple and practical, preparation cost is very low, easy for installation, it is easy to promote and utilize.
(3) the device of the invention is other than it can satisfy antifreeze tape test and need, additionally it is possible to meet the electric information component longevity
Test request is ordered, is i.e. easy and science automation the service life tooling device in laboratory's test service life.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of the antifreeze tape lifetime test device of solar water heater in embodiment 1.
Fig. 2 is the structural schematic diagram of the antifreeze tape lifetime test device of solar water heater in embodiment 2.
Fig. 3 is the structural schematic diagram of the antifreeze tape lifetime test device of solar water heater in embodiment 3.
Fig. 4 is the structural schematic diagram of the antifreeze tape lifetime test device of solar water heater in embodiment 4.
It marks and represents in attached drawing: the 1- time relay, 2- electromagnetic relay, 3- counter, 4- data collecting instrument, 5- thermometric
Resistance, the fixed device of 6-, 7- connecting terminal, 8- flame-retardant board, the antifreeze band of 9-, 10- temperature controller, 11- computer, 12- temperature probe.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, if antifreeze band fails in use, pipeline icing will result in, gently then
Water can not flow to user's family from solar energy, and heavy then pipeline is needed to re-replace pipeline by bursting by freezing, cause unnecessary trouble.
Therefore, the present invention proposes a kind of antifreeze tape lifetime test device of solar water heater and method, with reference to the accompanying drawing and specifically real
Applying mode, the present invention is described further.
Embodiment 1
As shown in Figure 1, a kind of antifreeze tape lifetime test device of solar water heater, including the time relay 1, electromagnetism relay
Device 2, counter 3, data collecting instrument 4, temperature detecting resistance 5, fixed device 6, connecting terminal 7, temperature controller 10 and temperature probe 12.
One end of the connecting terminal 7 and antifreeze band 9 connect, and the other end and the time relay 1 connect, the time relay 1
It is connected with electromagnetic relay 2, electromagnetic relay 2 and counter 3 connect, and the antifreeze band 9 is fixed on fixed device 6, described
Temperature detecting resistance 5 is arranged on the radiating surface of antifreeze band 9；The data collecting instrument 4 and temperature detecting resistance 5 connect；The temperature controller 10
It is arranged on the conducting wire between connecting terminal 7 and antifreeze band 9, and temperature controller 10 is connect with temperature probe 12, the temperature probe
12 are arranged on antifreeze 9 surface of band.
Embodiment 2
As shown in Fig. 2, a kind of antifreeze tape lifetime test device of solar water heater, with embodiment 1, difference is: described
Test device further includes computer, and the computer is connect with temperature controller, the antifreeze band temperature that computer is detected by temperature probe with
The safe temperature upper limit pre-set is compared, once finding that antifreeze band temperature has been more than the safe temperature upper limit, is controlled at once
Temperature controller processed disconnects, and protects the safety of entire test macro.
Embodiment 3
As shown in figure 3, a kind of antifreeze tape lifetime test device of solar water heater, including the time relay 1, electromagnetism relay
Device 2, counter 3, data collecting instrument 4, temperature detecting resistance 5, fixed device 6, connecting terminal 7 and computer 11.
One end of the connecting terminal 7 and antifreeze band 9 connect, and the other end and the time relay 1 connect, the time relay 1
It is connected with electromagnetic relay 2, electromagnetic relay 2 and counter 3 connect, and the antifreeze band 9 is fixed on fixed device 6, described
Temperature detecting resistance 5 is arranged on the radiating surface of antifreeze band 9；The data collecting instrument 4 and temperature detecting resistance 5 connect；The time relay
Device 1 is connected by connecting terminal 7 and computer 11, and the computer 11 and data collecting instrument 4 connect.
Computer can be allow to make full use of the temperature data of data collecting instrument real-time collecting antifreeze to monitor first in this way
The temperature of band controls the time relay at once and disconnects, make entirely to survey once finding that antifreeze band temperature has been more than the safe temperature upper limit
Test system power-off, protects the safety of test macro.Secondly, when the antifreeze band model difference of test, it can be respectively for difference
Safe temperature is arranged in the antifreeze band of model, and when being more than safe temperature, the power supply that can cut off the antifreeze band of the model stops test,
Test without influencing other antifreeze bands, this method of the present embodiment is by the test method in GB/T19835 from can only be directed to
One sample test is improved to multiple samples, multiple models while testing, and working efficiency greatly improved, saved the time at
This, can quickly adapt to the demand in market.
Embodiment 4
A kind of antifreeze tape lifetime test device of solar water heater, with embodiment 1, difference is:
(1) test device further includes flame-retardant board 8, and the fixed device 6 is fixed on flame-retardant board 8 (as shown in Figure 4).
(2) temperature detecting resistance 5 is PT100 platinum resistance, and the test performance of this platinum resistance is more stable, helps to ensure that
The stability and accuracy of test, the model JDM1-9 of the counter 3；The model AL2F of the electromagnetic relay 2；Institute
The number of rows for stating connecting terminal 7 is 10 rows, can test 5 groups of antifreeze carry samples simultaneously in this way.
Embodiment 5
A method of the antifreeze tape lifetime of solar water heater, which is carried out, using test device described in embodiment 3 tests, packet
Include following steps:
(1) time of the energization of setting time relay 1 is 5min, power-off time 3min, antifreeze band 9 is fixed on solid
Determine to connect on device 6 and with connecting terminal 7, it is spare；
(2) time relay 1 is closed, and is powered to antifreeze band 9, and antifreeze band 9 starts to warm up, while electromagnetic relay 2 is attracted,
Counter 3 plus one；When conduction time reaches 5min, the time relay 1 is disconnected, and antifreeze 9 temperature of band is fallen after rise；Meanwhile electromagnetism relay
Device 2 powers off, and 1 turn-off time of the time relay is switched to closed state when reaching 3min, antifreeze band 9 starts to warm up, while electromagnetism
Relay 2 is attracted, counter 3 plus one；Temperature detecting resistance 5 is monitored the temperature of antifreeze band 9, and is surveyed by 4 Duis of data collecting instrument
Warm resistance 5 monitors obtained data and is acquired and records；
(3) it repeats step (2) 900 times, until antifreeze band 9 fails, stops test, the service life of the antifreeze band of this batch is qualified.
In test, a simulation test is can be completed in electrified regulation 5min and power-off 3min, can be tested in 1 day in this way
180 times, 900 life tests can be completed within 5 days, it can be seen that test device and test method of the invention is not only simple
Accurately, and testing efficiency is high.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for those skilled in the art
For member, various changes and changes are possible in this application.Within the spirit and principles of this application, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of antifreeze tape lifetime test device of solar water heater, it is characterised in that: including the time relay, electromagnetism relay
Device, counter, data collecting instrument, temperature detecting resistance, fixed device, connecting terminal, temperature controller, temperature probe；
One end of the connecting terminal and temperature controller, antifreeze band are sequentially connected, the connecting terminal other end and the time relay
Connection, the time relay are connected with electromagnetic relay, and electromagnetic relay is connected with counter, and the antifreeze band is fixed on fixed dress
It sets, the temperature detecting resistance is arranged on the radiating surface of antifreeze band and connect with data collecting instrument, and the temperature controller setting is connecing
On conducting wire between line terminals and antifreeze band, and temperature controller is connect with temperature probe, and the temperature probe is arranged in antifreeze band table
Face.
2. the antifreeze tape lifetime test device of solar water heater as described in claim 1, it is characterised in that: the test device
Further include computer, the computer is connect with temperature controller, the antifreeze band temperature that computer is detected by temperature probe with preset
The good safe temperature upper limit is compared, it is found that antifreeze band temperature is more than control temperature controller disconnection after the safe temperature upper limit.
3. a kind of antifreeze tape lifetime test device of solar water heater, it is characterised in that: including the time relay, electromagnetism relay
Device, counter, data collecting instrument, temperature detecting resistance, fixed device, connecting terminal, computer；
One end of the connecting terminal and antifreeze band connection, the other end are connected with the time relay, the time relay and electromagnetism after
Electric appliance connection, electromagnetic relay are connected with counter, and the antifreeze band is fixed on the securing means, and the temperature detecting resistance setting exists
On the radiating surface of antifreeze band；The data collecting instrument is connected with temperature detecting resistance；The time relay passes through connecting terminal and electricity
Brain connection, the computer are connected with data collecting instrument.
4. the antifreeze tape lifetime test device of solar water heater as described in any one of claims 1-3, it is characterised in that: described
Fixed device is fixed on flame-retardant board.
5. the antifreeze tape lifetime test device of solar water heater as described in any one of claims 1-3, it is characterised in that: described
Temperature detecting resistance is PT100 platinum resistance；Alternatively, the model JDM1-9 of the counter, alternatively, the temperature controller is that temperature is adjustable
Temperature controller；Alternatively, the model AL2F of the electromagnetic relay.
6. a kind of side using the described in any item test device test antifreeze tape lifetimes of solar water heater of claim 1-5
Method, characterized by the following steps:
It (1) closure for the heating temperature setting time relay that antifreeze band to be measured reaches as needed and the time disconnected, will
Antifreeze band is fixed on the securing means, spare；
(2) time relay is closed, and is powered to antifreeze band, and antifreeze band starts to warm up, while electromagnetic relay is attracted, and counter adds
One；When reaching the closing time of setting, the time relay is disconnected, and antifreeze band temperature is fallen after rise；Meanwhile electromagnetic relay powers off, when
Between relay be switched to closed state when reaching turn-off time, antifreeze band starts to warm up, while electromagnetic relay is attracted, counter
Add one；Temperature detecting resistance is monitored the temperature of antifreeze band, and the data that temperature detecting resistance is monitored by data collecting instrument into
Row acquisition and record；
(3) step (2) are repeated, until antifreeze band fails, antifreeze tape lifetime is judged according to the number of circulation.
7. the method for the test antifreeze tape lifetime of solar water heater as claimed in claim 6, it is characterised in that: in step (1),
The closure of the time relay is respectively 5min and 3min with the time disconnected.
8. the method for the test antifreeze tape lifetime of solar water heater as claimed in claim 6, it is characterised in that: in step (3),
Duplicate total degree is not less than 900 times.
9. the method for the test antifreeze tape lifetime of solar water heater as claimed in claim 8, it is characterised in that: duplicate total time
Number is 900 times.
10. the antifreeze tape lifetime test device of solar water heater as described in any one in claim 1-5 is in electric information vigour part
Application in life test；For example, the application in electromagnetic relay, solid-state relay or A.C. contactor life test；Example
Such as, the application in solenoid valve durability test；For example, the application in light bulb class life test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295942.1A CN109470737B (en) | 2018-11-01 | 2018-11-01 | Device and method for testing service life of anti-freezing belt of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295942.1A CN109470737B (en) | 2018-11-01 | 2018-11-01 | Device and method for testing service life of anti-freezing belt of solar water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109470737A true CN109470737A (en) | 2019-03-15 |
| CN109470737B CN109470737B (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811295942.1A Active CN109470737B (en) | 2018-11-01 | 2018-11-01 | Device and method for testing service life of anti-freezing belt of solar water heater |
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| CN (1) | CN109470737B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110083148A (en) * | 2019-06-13 | 2019-08-02 | 北斗航天汽车（北京）有限公司 | A kind of temperature controller durability-testing machines |
| CN115202414A (en) * | 2022-08-02 | 2022-10-18 | 江苏巨天新能源有限公司 | Solar energy equipment is with system of preventing frostbite based on big data |
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| CN110083148A (en) * | 2019-06-13 | 2019-08-02 | 北斗航天汽车（北京）有限公司 | A kind of temperature controller durability-testing machines |
| CN115202414A (en) * | 2022-08-02 | 2022-10-18 | 江苏巨天新能源有限公司 | Solar energy equipment is with system of preventing frostbite based on big data |
| CN115202414B (en) * | 2022-08-02 | 2023-08-01 | 何金明 | Solar equipment is with system that prevents frostbite based on big data |
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