CN208984123U - A kind of storage-type electric water heater security appliance performance experimental rig - Google Patents
A kind of storage-type electric water heater security appliance performance experimental rig Download PDFInfo
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- CN208984123U CN208984123U CN201821465588.8U CN201821465588U CN208984123U CN 208984123 U CN208984123 U CN 208984123U CN 201821465588 U CN201821465588 U CN 201821465588U CN 208984123 U CN208984123 U CN 208984123U
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Abstract
The utility model discloses a kind of storage-type electric water heater security appliance performance experimental rigs, including water system, power supply system, monitoring system and controller, its controller receives the signal of monitoring system monitoring, according to the work of pre-set programs control water system and power supply system, the automatic progress of every security appliance performance test and the real-time record of whole data are realized.It is artificial on duty that it eliminates the reliance on the test of water heater electric appliance security performance, and while simple to operate, the accuracy and safety of test also greatly improved.
Description
Technical field
The utility model relates to a kind of electric mounting test device, especially a kind of pair of storage-type electric water heaters to carry out electric appliance peace
The device of full performance test.
Background technique
Electrothermal heater, by electric heating by electric energy be thermal energy, so that water is heated up, heating after water flow directly contact people
Body, thus Household electric appliance safety standard (IEC60335 series, GB4706 series standard) it is required it is more harsh.Carrying out electricity
During device safety test, traditional approach is mainly monitored by the way of artificial and the progress of Control experiment, testing crew are usual
It needs to monitor test process, multiple conditions such as records working condition, while grasping test period, voltage, electric current, power, temperature
Parameter, to determine whether continuing of test.
Tested, be primarily present as following drawbacks using traditional approach: test process relies on testing staff's manually work on duty
Industry needs to observe and debug for a long time, manually adjusts the voltage of water system working method and power supply system, and needs artificial logical
It crosses electrical parameter measuring instrument to read operating voltage, read measured point temperature by temperature rise recorder, test process need to expend detection people
Member's plenty of time and energy, heavy workload, detection cycle is long, and is easy to appear error, leads to retest.Simultaneously as portion
Ignition distributor itself design defect, manufacturing process be not perfect or the non-normal working as defined in carry out standard in, test electric appliance has
May jet out flames or phenomena such as molten metal, tester may be tested in electric shock, high temperature caused by insecurity factor
It burns, injury caused by molten metal sputtering etc. is dangerous, there are security risks.
Summary of the invention
The utility model is directed to a kind of heat that can carry out the test of security appliance performance to storage-type electric water heater automatically
Hydrophone security appliance performance experimental rig, with improve storage-type electric water heater security appliance performance test convenience, accuracy and
Safety.
Storage-type electric water heater security appliance performance experimental rig described in the utility model, including for water supply of water heater
And draining water system, to water heater provide power supply power supply system, monitor water heater operating status monitoring system and
Control the controller of water system and power supply system work, it is characterised in that: the water system includes being separately connected water heater
Inlet and outlet water inlet pipe and outlet pipe, be respectively provided on water inlet pipe and outlet pipe control water flow on-off electromagnetism
Valve；The power supply system includes power supply, transformer and the relay for controlling on/off；The monitoring system includes for surveying
The temperature sensor for measuring water heater temperature, for measuring the pressure sensor of water heater inside water pressure；The temperature sensor and
Pressure sensor passes through analog-digital commutator and is connected to controller, and monitoring signals are inputed to controller, and controller is according to connecing
The monitoring signals of receipts issue control instruction by pre-set programs, control two electricity of on-off and water system of the relay of power supply system
The on-off of magnet valve, to control power supply system and water system work；Connection water inlet pipe is also set up in the water system
With the bypass pipe of outlet pipe, the both ends of bypass pipe are located under the top and outlet pipe solenoid valve of the solenoid valve of water inlet pipe
The solenoid valve of the on-off of control water flow is arranged in side again on bypass pipe.
Storage-type electric water heater security appliance performance experimental rig described in the utility model is controlled by controller and is intake
The control to water heater water supply and draining is realized in the opening and closing of solenoid valve on pipeline；The transformation of power supply system is controlled by controller
The control to water heater power supply voltage swing and on-off is realized in the work of device and relay；Controller passes through preset program
And the work of parameters the control water system, power supply system of monitoring system feedback, and the items of record monitoring system feedback
Parameter, automatically controls the progress of every security appliance performance test, and records whole data in real time.It can be realized entire hot water
The automatic progress of device security appliance performance experimental rig, test process do not depend on artificial on duty, and test operation is simple and convenient, substantially
Artificial workload is reduced, the safety and accuracy of test are improved.
And due to the presence of by-passing valve, when needing to drain, the solenoid valve that controller controls inlet tube and outlet tube is closed, and other
The solenoid valve of siphunculus is opened, and the hot water in heater box comes out from water inlet pipe and is discharged after bypass pipe.It can be realized automatically
The quick discharge of hot water, it is easy to operate, safe, high-efficient.After emptying, the solenoid valve of bypass pipe is again switched off by controller,
The solenoid valve for opening water inlet pipe can be realized the cold water supply in water tank, after feeding certain cooling water, control water inlet pipe electricity again
Magnet valve is closed, bypass pipe solenoid valve is opened, and cooling water is discharged, so as to realize the rapid cooling of heater box, to contract
Waiting gap in short experiment twice, improves test efficiency and safety.
In the safety feature test of storage-type electric water heater, airtightness is an important index, at present water heater airtightness
Test, mainly by hydraulic pressure certain in keeping water-heater water tank in the case where, observe by the naked eye with the presence or absence of leakage
The phenomenon that judge.It is inconvenient that it is observed, and when leaking smaller, there is the case where not observing, there are errors for measurement.
In order to improve the accuracy of measurement, the experimental rig may also include the water inlet pipe and outlet pipe for being mounted on water heater
Flow measurement device, the flow measurement device can measure the flow of water inlet pipe and outlet pipe respectively, and pass through modulus and turn
Changing device is connected to controller, and monitoring flow signal is transferred to controller.Controller is by comparing outlet pipe and water inlet pipe
Flow difference, therefore, it is determined that the airtightness of cabinet.It is convenient that it is not only measured, and can accurately still monitor when leaking minimum,
And Numerical evaluation can be provided, monitoring is intuitive, accuracy is high.
Detailed description of the invention
Fig. 1 is the schematic illustration of the storage-type electric water heater security appliance performance experimental rig；
Fig. 2 is water heater structure schematic diagram；
Fig. 3 is the water inlet work signal of the water system of the storage-type electric water heater security appliance performance experimental rig
Figure；
Fig. 4 is the drainage works signal of the water system of the storage-type electric water heater security appliance performance experimental rig
Figure.
Specific embodiment
A kind of storage-type electric water heater security appliance performance experimental rig, such as Fig. 1, including for water supply of water heater and draining
Water system, to water heater provide power supply power supply system, monitor water heater operating status monitoring system and controller
Water system and the controller of power supply system work.
The water system, water inlet pipe 11 and outlet pipe 12 including being separately connected the inlet and outlet of water heater,
The solenoid valve that solenoid valve 14 controls the on-off of water flow is respectively provided on water inlet pipe and outlet pipe.
The power supply system, including power supply, transformer 20 and the relay 21 for controlling its on-off of power supply.
The monitoring system, including, for measuring the temperature sensor 22 of water heater temperature, for measuring inside water heater
The pressure sensor 23 of hydraulic pressure, and it is mounted on the water inlet pipe of water heater and the flow measurement device 24 of outlet pipe.
The temperature sensor, pressure sensor and flow measurement device pass through analog-digital commutator 25 and are connected to control
Monitoring signals are inputed to controller by device 30 processed, and monitoring signals press pre-set programs sending control instruction to controller based on the received,
Control power supply system relay two solenoid valves of on-off and water system on-off, thus control power supply system and supply water
The work of system.
The experimental rig controls the open and close control water system of the solenoid valve on inlet pipeline by controller, realizes
Control to water heater water supply and draining；By controller control power supply system transformer and relay work, it can be achieved that
Control to supply voltage size and on-off；The parameters control that controller is fed back by preset test procedure and monitoring system
The work of water system, power supply system processed, and the parameters of record monitoring system feedback, can automatically control every security appliance
The progress of performance test, and whole data are recorded in real time.It realizes entire storage-type electric water heater security appliance performance test dress
The automatic progress set, test process do not depend on artificial on duty, and test operation is simple and convenient, is significantly reducing artificial work
Amount, improves the safety and accuracy of test.
The storage-type electric water heater, such as Fig. 2, in water tank 5,1 nozzle of water inlet pipe is located at bottom in case, and outlet pipe 2 is managed
Mouth is then located at higher position in case.For water heater after heat test, water storage container internal temperature is very high, and general heat test is reachable
75 DEG C or so, part Abnormal test may be close to 100 DEG C；Thus when carrying out the next item down test, generally requires to empty and wait
It is to be cooled.Due to drainpipe nozzle in cabinet higher position, draining when, then water system stop supply water when,
Water heater can not automatic-discharging, need manually to topple over, and manually topple over other than inconvenient, time-consuming effort, due to water temperature height,
Also need etc. it is to be cooled can operate, be otherwise easy scald testing crew.
To solve the above-mentioned problems, the also settable bypass pipe for being connected to water inlet pipe 11 and outlet pipe 12 in water system
13, such as Fig. 3, Fig. 4, the both ends of bypass pipe 13 are located under the top and outlet pipe solenoid valve 14 of the solenoid valve 14 of water inlet pipe
The solenoid valve 15 of the on-off of control water flow is arranged in side again on bypass pipe.When needing to drain, controller controls inlet tube and outlet tube
Solenoid valve 14 close, and the solenoid valve 15 of bypass pipe is opened, and the hot water in heater box comes out from water inlet pipe through bypass pipe
After be discharged.It can realize the quick discharge of hot water automatically, easy to operate, safe, high-efficient.After emptying, again by controller
The secondary solenoid valve for closing bypass pipe, opens the solenoid valve of water inlet pipe, can be realized the cold water supply in water tank, feeds certain cooling
After water, the closing of water inlet pipe solenoid valve is controlled again, bypass pipe solenoid valve is opened, discharge cooling water, so as to realize water heater
The rapid cooling of cabinet improves test efficiency and safety so as to shorten the waiting gap in experiment twice.
It is additionally provided with hanging pipe 17 in water heater outlet side, the hanging upper same setting solenoid valve 18 of pipe.Work as water heater
When normal water inlet, the solenoid valve on hanging pipe is closed.When bypass pipe is connected to, the hot water in heater box comes out from water inlet pipe and passes through
When being discharged after bypass pipe, solenoid valve 18 is opened, and air can enter in water tank through hanging pipe, to be that water tank external and internal pressure is flat
Weighing apparatus keeps draining more smooth, thorough.
The also settable flowmeter 16 on the water inlet pipe 11 and outlet pipe 12 of water heater, flowmeter 16 can measure respectively into
The flow of water pipe and outlet pipe, and controller is connected to by analog-digital commutator, monitoring signals are transferred to controller.Control
Device can be by the flow difference of comparison outlet pipe and water inlet pipe, to determine the airtightness of cabinet.When outlet pipe and water inlet pipe flow
When identical, the good leak tightness of water tank.And when outlet pipe flow is less than water inlet pipe flow, then illustrate there is leakage.Such leakage
Detection method, measurement is convenient, intuitive, precision height.
Claims (3)
1. a kind of storage-type electric water heater security appliance performance experimental rig, including for water supply of water heater and draining for water system
System provides the power supply system of power supply to water heater, monitors the monitoring system and controller water system of water heater operating status
And the controller of power supply system work, it is characterised in that: the water system includes being separately connected the water inlet of water heater and going out
The water inlet pipe and outlet pipe at the mouth of a river, are respectively provided with the solenoid valve of the on-off of solenoid valve control water flow on water inlet pipe and outlet pipe；Institute
Stating power supply system includes power supply, transformer and the relay for controlling its on-off of power supply；The monitoring system includes, for measuring
The temperature sensor of water heater temperature, for measuring the pressure sensor of water heater inside water pressure；The temperature sensor and pressure
Force snesor passes through analog-digital commutator and is connected to controller, monitoring signals is inputed to controller, controller is according to reception
Monitoring signals issue control instruction, control the on-off of two solenoid valves of on-off and water system of the relay of power supply system；
The bypass pipe of connection water inlet pipe and outlet pipe is also set up in the water system, the both ends of bypass pipe are located at the electricity of water inlet pipe
The solenoid valve of the on-off of control water flow is arranged in the top of magnet valve and the lower section of outlet pipe solenoid valve again on bypass pipe.
2. storage-type electric water heater security appliance performance experimental rig according to claim 1, it is characterised in that: the monitoring
System further includes that setting is mounted on the water inlet pipe of water heater and the flow measurement device of outlet pipe.
3. storage-type electric water heater security appliance performance experimental rig according to claim 2, it is characterised in that: in water heater
Outlet pipe side is additionally provided with hanging pipe, the hanging upper same setting solenoid valve of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821465588.8U CN208984123U (en) | 2018-09-07 | 2018-09-07 | A kind of storage-type electric water heater security appliance performance experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821465588.8U CN208984123U (en) | 2018-09-07 | 2018-09-07 | A kind of storage-type electric water heater security appliance performance experimental rig |
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| CN208984123U true CN208984123U (en) | 2019-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163761A (en) * | 2018-09-07 | 2019-01-08 | 中国检验检疫科学研究院 | A kind of storage-type electric water heater security appliance performance experimental rig |
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2018
- 2018-09-07 CN CN201821465588.8U patent/CN208984123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163761A (en) * | 2018-09-07 | 2019-01-08 | 中国检验检疫科学研究院 | A kind of storage-type electric water heater security appliance performance experimental rig |
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