CN104180944B - A kind of light fixture waterproof test device - Google Patents
A kind of light fixture waterproof test device Download PDFInfo
- Publication number
- CN104180944B CN104180944B CN201310190667.8A CN201310190667A CN104180944B CN 104180944 B CN104180944 B CN 104180944B CN 201310190667 A CN201310190667 A CN 201310190667A CN 104180944 B CN104180944 B CN 104180944B
- Authority
- CN
- China
- Prior art keywords
- relay
- normally opened
- opened contact
- input
- normally
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The embodiment of the invention discloses a kind of waterproof test device, including direct current regulation circuit, the first relay, the second relay, switch, the time-delay relay with dual-time set-up function, motor, water pump, diode, first resistor, second resistance and buzzer, the direct current regulation circuit is used to for the alternating voltage that AC power is input into be converted into DC voltage.Using the present invention, with simple and safe reliable advantage, solve the problems, such as that testing efficiency is not high and test fatigue strength is big.
Description
Technical field
The present invention relates to light fixture testing field, more particularly to a kind of light fixture waterproof test device.
Background technology
Light fixture as normal lighting a kind of visual plant, it is even more indispensable especially in today of modern development in science and technology,
If not having lamp lighting equipment in the world, night will be as dark as a stack of black cats, and factory cannot produce, and city does not have street lighting, respectively
Individual each industry is unable to normal device and is unable to normal operational outfit, causes production efficiency extremely low, the main pin of the present apparatus
Light fixture is being authenticated and the shell rainproof of outdoor application light fixture is tested, in light fixture standard GB7000.1-2007
Wanted before listing with the shell protection class requirement that GB4208-2008 standards the inside all strict regulations there must be light fixture, therefore light fixture
Various certifications are obtained, such as 3C, CQC, coal peace, certification of explosion protection and some Foreign certifications are required for carrying out shell protection test, and
And to meet the degree of protection requirement represented by light fixture, certain light fixture seal failure water inlet is also to cause reliability and security one
Individual important index, so light fixture can all be sprayed during research and development and exfactory inspection according to the requirement of the degree of protection of light fixture
Test, is directly to hold the device of spray by hand to be sprayed against light fixture always in test before, encounter after certain hour
Removing rotation light fixture carries out spray another side, so causes some places not to be sprayed onto position, so that the reliability of light fixture is influenceed, while
The lasting spray that manually stands over there always is needed during spray, testing efficiency is low and tester's fatigue strength increases
Plus.
The content of the invention
Embodiment of the present invention technical problem to be solved is, there is provided a kind of waterproof test device, it is possible to resolve existing skill
Waterproof test is relied on and is accomplished manually and the low deficiency of testing efficiency in art.
In order to solve the above-mentioned technical problem, a kind of waterproof test device, including DC voltage-stabilizing be the embodiment of the invention provides
Circuit, the first relay, the second relay, switch, the time-delay relay with dual-time set-up function, for driving placement to treat
Test the motor of light fixture rotation, the pump equipment of light fixture to be measured sprayed for drawing water and for producing sound or light efficiency alarm signal
Warning circuit, the direct current regulation circuit be used for by AC power be input into alternating voltage be converted into DC voltage, wherein, institute
State the live wire and zero line of the input connection AC power of direct current regulation circuit；The positive output pin of the direct current regulation circuit
One end with the switch is connected, and the negative output pin of the direct current regulation circuit is grounded and is also respectively connected with second relay
One end of 4th normally opened contact of device and the negative power supply input of the warning circuit；The other end of the switch and described
One end connection of the 3rd normally opened contact of one relay, the switch is linkage company with the 3rd normally opened contact of first relay
Connect, the other end of the 3rd normally opened contact of first relay connects one end of the normally opened contact of the second relay the 3rd respectively
With the cathode power supply input of the warning circuit, and second relay of being connected in the current supply circuit of the warning circuit
One normally-closed contact；The other end of the 3rd normally opened contact of second relay connects the electrode input end of the motor, and described the
The other end of the 4th normally opened contact of two relays connects the negative input of the motor；The 1st of first relay is normally opened
One end of contact connects the live wire of the AC power, and one end of the 2nd normally opened contact of first relay connects the friendship
Flow the zero line of power supply；It is normally opened that the other end of the 1st normally opened contact of first relay connects second relay the 2nd respectively
One end of contact, an input of the second relay coil operating voltage exchange input and draw with the one of the time-delay relay
The pin of pin 2；The other end of the 2nd normally opened contact of first relay connects the 1st normally opened contact of second relay respectively
One end exchange the pin of input pin 7 with the another of the time-delay relay；The external switch common port the 1st of the time-delay relay
Pin and the pin of time reseting terminal the 3rd are connected；Another input of the second relay coil operating voltage prolongs with described
When relay the connection of normally opened contact end the 6th pin；1st normally opened contact of second relay and the 2nd normally opened contact it is another
Power input of the one end respectively with the pump equipment is connected.
Implement the embodiment of the present invention, have the advantages that：
Control water pump and motor are coordinated by time-delay relay and relay, is operated constantly without tester, from
It is dynamic to carry out spray operation, as long as and with changing jet pipe and regulation hydraulic pressure just compatible various test degree of protection, the waterproof test
Device has simple and safe reliable advantage, solves the problems, such as that testing efficiency is not high and test fatigue strength is big.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of circuit diagram of waterproof test device of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is a kind of circuit diagram of waterproof test device of the embodiment of the present invention referring to Fig. 1, the device includes：
Direct current regulation circuit 1, the first relay K1, the second relay K2, switch S, prolonging with dual-time set-up function
When relay KT, motor M, warning circuit 2 and for the sprinkling light fixture to be measured that draws water that light fixture rotation to be tested is placed for driving
Pump equipment SB, direct current regulation circuit be used for by AC power be input into alternating voltage be converted into direct current, above-mentioned part
Annexation is：
In figure by taking the input of 220V AC powers as an example, the live wire L of the input connection AC power of direct current regulation circuit 1
With zero line N；The positive output pin of direct current regulation circuit 1 is connected with one end of switch S, the negative output pin of direct current regulation circuit 1
It is grounded and is also respectively connected with the negative power supply input of one end and the warning circuit 2 of the 4th normally opened contact of the second relay K2
End；
The other end for switching S is connected with one end of the 3rd normally opened contact of the first relay K1, and S is switched and the first relay
To be connected, the other end of the 3rd normally opened contact of the first relay K1 connects the second relay to 3rd normally opened contact of K1 respectively
One end of the normally opened contacts of K2 the 3rd and the cathode power supply input of the warning circuit 2, and the warning circuit 2 current supply circuit
One normally-closed contact of middle series connection second relay；
The electrode input end of the other end connection motor M of the 3rd normally opened contact of the second relay K2, the second relay K2's
The negative input of the other end connection motor M of the 4th normally opened contact；
One end of 1st normally opened contact of the first relay K1 connects the live wire of the AC power, the first relay K1's
One end of 2nd normally opened contact connects the zero line of the AC power；The other end difference of the 1st normally opened contact of the first relay K1
Connect one end, an input of the second relay K2 coil working voltages and the institute of the normally opened contacts of the second relay K2 the 2nd
State the exchange pin of input pin the 2nd of time-delay relay KT；
The other end of the 2nd normally opened contact of the first relay K1 connects the 1st normally opened contact of the second relay K2 respectively
One end exchanges the pin of input pin the 7th with the another of time-delay relay KT；The external switch common port of the time-delay relay KT
1st pin and the pin of time reseting terminal the 3rd are connected；Another input of the second relay K2 coil working voltages and institute
State the pin connection of normally opened contact end the 6th of time-delay relay KT；1st normally opened contact of the second relay K2 and the 2nd normally opened
Power input of the other end of contact respectively with the pump equipment SB is connected.
Above-described embodiment structure mainly coordinates control water pump by the time-delay relay and relay of dual-time set-up function
And motor, operated constantly without tester, spray operation is carried out automatically, as long as and with changing jet pipe and regulation hydraulic pressure just
Compatible various test degree of protection, the waterproof test device has simple and safe reliable advantage, solves testing efficiency not
The high and big problem of test fatigue strength.
Here the double setting digital display time relays of the preferred DH48S-S of time-delay relay, the time delay T1 conduct of setting
Spray time, general waterproof drenches with rain the testing time for 20min, and spray time is 15min when IP65 is tested, and is sprayed when IP66 is tested
Time is 3min, the delay time T2 of setting as alarm delay time, for terminating in the spray time T1 for setting after time delay
Start warning circuit 2.In the double setting digital display time relays of DH48S-S, the 5th pin is opened point, the 8th as normally closed point, the 6th pin
Pin is movable end or common port, and 5,8 pin are connected to form time delay normally-closed contact, and 6,8 pin are connected to form normally opened contact.Carry out this hair
, it is necessary to internally the normally-closed contact two ends of time-delay relay be connected, normally opened contact two ends are connected during bright test function, and outside
Portion, another pin of exchange input pin 7 of time-delay relay KT is connected the normally closed point the 5th of time-delay relay KT by normally-closed contact
Pin.
On the basis of above-described embodiment structure, referring to Fig. 1, the warning circuit 2 includes diode D1, first resistor
R1, the second current-limiting resistance R2 and buzzer SP1；The 3rd of anode connection the first relay K1 of the diode D1 is normally opened
One end of the other end of contact and the first resistor R1, the negative electrode of the diode D1 connects the of the second relay K2
One end of 5 normally-closed contacts, the other end of the 5th normally-closed contact of the second relay K2 and the 6th of the second relay K2
One end connection of normally-closed contact；The other end of the 6th normally-closed contact of the second relay K2 and the second current-limiting resistance R2
One end connection；The other end of the second resistance R2 is connected with described buzzer SP1 one end, and the buzzer SP1's is another
The other end of end and the first resistor R1 is grounded.It is employed herein relatively simple circuit structure and realizes that audible alarm is pointed out,
The output of light efficiency alarm signal can certainly be realized using LED driving circuit.
It is further preferred that on the basis of above-described embodiment structure, referring to Fig. 1, direct current regulation circuit 1 includes transformer
T1, rectifier BD1, voltage-stablizer Q1, the first filter capacitor C1 and the second filter capacitor C2, rectifier BD1 preferably comprise 4 it is whole
Stream diode, voltage-stablizer Q1 is preferably trifocal integrated regulator（Such as 7824 in Fig. 1）, annexation is：
The live wire L and zero line N of the AC power connect the two ends of the primary side winding of the transformer T1, the change respectively
The output of the secondary side winding of depressor T1 passes sequentially through rectifier BD1, the first filter capacitor C1, trifocal integrated regulator Q1 and
Exported after two filter capacitor C2 as the positive output pin of direct current regulation circuit 1.
It is further preferred that on the basis of above-described embodiment structure, referring to Fig. 1, above-mentioned test device also includes first
Fuse FR1 and second fuse FR2, one end of the first fuse FR1 is connected with the zero line N of the AC power, institute
State the other end of first fuse FR2 and the input of the direct current regulation circuit 1, the 2nd of the first relay K1 the normally opened touch
One end of point is connected；One end of the second fuse FR2 is connected with the live wire L of the AC power, the second fuse
The other end of FR2 is connected with the input of the direct current regulation circuit 1, one end of the 1st normally opened contact of the first relay K1.
Shielded in circuit here with first fuse FR1 and second fuse FR2, it is to avoid overvoltage or excessively stream are to circuit board
Cause to damage.
It is further preferred that on the basis of above-described embodiment structure, referring to Fig. 1, above-mentioned test device also includes：Series connection
The first electrothermal relay FU1 between the power input and the second relay K2 of the pump equipment SB and it is connected on described
The second electrothermal relay FU2 between the power input of motor M and the second relay K2.Specifically attachment structure is：Described
Divide between 1st normally opened contact and the other end of the 2nd normally opened contact and the power input of the pump equipment SB of two relay K2
Do not connect the normally-closed contact of the first electrothermal relay FU1, the 3rd normally opened contact of the second relay K2 and the 4th normally opened
Connected respectively between the other end of contact and the both positive and negative polarity input of the motor M the normally closed of the second electrothermal relay FU2
Contact.
It is further preferred that on the basis of above-described embodiment structure, above-mentioned test device also includes a turntable, described
The working face of turntable is used to place light fixture to be tested, makes lamp surface to be tested to the water spray delivery outlet of the pump equipment, described
The rotating shaft of turntable is connected with the output shaft of the motor by transmission mechanism, and the torque for motor to be exported is converted to described turning
The torque that platform is rotated centered on the rotating shaft.
Above-mentioned each structure element can be combined on the basis of one embodiment and constitute new technical side
Case, but can solve technical problem solved by the invention, that is, a kind of simple light fixture waterproof test device is provided, it is possible to resolve
Waterproof test is relied on and is accomplished manually and the low deficiency of testing efficiency in the prior art.
Referring to Fig. 1, its electrical block diagram for providing an optimum embodiment.The operation principle of the waterproof test device
For：When short-circuit test is carried out, spray time is set according to standard requirement, then spray is set on time-delay relay KT
The pouring time is T1, and the testing time of typically drenching with rain, IP65 spray times were 15min for 20min, and IP66 spray times are 3min, if
Fixed spray terminates rear time of fire alarming for T2, and the T2 times can set needed according to user and be adjusted, to point out tester energy
Enough hear that spray is completed alarm, light fixture to be measured is placed on turntable.
To electricity on main circuit, now the first relay K1 also not it is electric, in normally open, time-delay relay KT is not yet
Work, the electric current of AC power flows to transformer T1, by transformer T1 be depressured and obtains 24V alternating voltages, then passes through
Rectifier BD1 carries out rectification and obtains 24V DC voltages, is filtered by the first filter capacitor C1, by voltage-stablizer 7824
The 24V DC voltages stablized, then by the second filter capacitor C2 absorption peak voltages, switch S is pressed, switch S and first
3rd normally opened contact of relay K1 to be connected, the 3rd normally opened contact of the first relay K1 obtain it is electric carry out adhesive, this time delay
When relay KT obtain electric start-up operation, carry out spray time T1 time delays, now the second relay K2 obtains electric, its normally opened contact group K-
1（Including the 1st normally opened contact 1, the 2nd normally opened contact 2, the 3rd normally opened contact 3, the 4th normally opened contact 4）Adhesive, its normally-closed contact group K-
2（Including the 5th normally-closed contact 5, the 6th normally-closed contact 6）Disconnect, while water pump SB starts to draw water, motor M also begins to rotate, to be measured
Light fixture is rotated on turntable simultaneously, adjusts hydraulic pressure and water rate, just starts to spray the test light fixture on turntable
Test, after spray time T1 is reached, alarm delay time T2 triggers, the 1st normally opened contact the 1, the 2nd of the second relay K2
Normally opened contact 2, the 3rd normally opened contact 3 and the 4th normally opened contact 4 disconnect, the 5th normally-closed contact 5 and the adhesive of the 6th normally-closed contact 6, electric current
By diode D1 and normally-closed contact group K-2（5th normally-closed contact 5 and the 6th normally-closed contact 6）Concatenation flows to the second current-limiting resistance
R2, flows on buzzer SP1 after the second current-limiting resistance R2 carries out current limliting partial pressure, turns on buzzer SP1 and is alarmed, and carries
Show that tester is completed.While circuit occurs, and voltage is high or short circuit also has fuse（FR1 and FR2）And electrothermal relay（FU1
And FU2）Protected.
The present apparatus just can constitute a simple waterproof test device using relay, time-delay relay, motor and water pump,
Press switch, relay just it is electric, time-delay relay is started working, while water pump and drive the motor of turntable to also begin to work,
Water pump starts to draw water, and water is sprayed by jet pipe, spray time and distance is adjusted according to standard requirement, according to the pressure on jet pipe
Table mix up different degree of protection required for pressure and the jet pipe from good caliber, sprayed against light fixture to be measured, wait spray
Time is up buzzer will alarm tester, can thus complete spray equipment, it is not necessary to which the artificial moment keeps
The operation of light fixture side, meeting automatic alarm prompting tester after being completed, so as to complete light fixture spray test process, the present apparatus
Design have the advantages that it is simple, safe and reliable, solve the problems, such as testing efficiency it is not high and test fatigue strength.
One of ordinary skill in the art will appreciate that all or part of flow in realizing above-described embodiment method, can be
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory（Read-Only Memory, ROM）Or random access memory（Random Access
Memory, RAM）Deng.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighs according to the present invention
Profit requires made equivalent variations, still falls within the covered scope of invention.
Claims (8)
1. a kind of light fixture waterproof test device, it is characterised in that including direct current regulation circuit, the first relay, the second relay,
Switch, the time-delay relay with dual-time set-up function, the motor of light fixture to be tested rotation is placed for driving, for drawing water
Spray the pump equipment and the warning circuit for producing sound or light efficiency alarm signal of light fixture to be measured, the direct current regulation circuit
Alternating voltage for AC power to be input into is converted into DC voltage, wherein, the time-delay relay includes that DH48S-S is double and sets
Determine digital display time relay；
The live wire and zero line of the input connection AC power of the direct current regulation circuit；
The positive output pin of the direct current regulation circuit is connected with one end of the switch, the negative output of the direct current regulation circuit
Pin be grounded and be also respectively connected with second relay the 4th normally opened contact one end and the negative power supply of the warning circuit
Input；
The other end of the switch is connected with one end of the 3rd normally opened contact of first relay, the switch and described the
To be connected, the other end of the 3rd normally opened contact of first relay connects institute to 3rd normally opened contact of one relay respectively
State one end of the normally opened contact of the second relay the 3rd and the cathode power supply input of the warning circuit, and the warning circuit
Connected in current supply circuit a normally-closed contact of second relay；
The other end of the 3rd normally opened contact of second relay connects the electrode input end of the motor, second relay
The other end of the 4th normally opened contact of device connects the negative input of the motor；
One end of 1st normally opened contact of first relay connects the live wire of the AC power, first relay
One end of 2nd normally opened contact connects the zero line of the AC power；The other end of the 1st normally opened contact of first relay point
Do not connect one end of the normally opened contact of the second relay the 2nd, an input of the second relay coil operating voltage and
The one exchange pin of input pin 2 of the time-delay relay；
The other end of the 2nd normally opened contact of first relay connects the 1st normally opened contact of second relay respectively
One end exchanges the pin of input pin 7 with the another of the time-delay relay；The external switch common port the 1st of the time-delay relay draws
Pin and the pin of time reseting terminal the 3rd are connected；Another input of the second relay coil operating voltage and the time delay
The pin connection of normally opened contact end the 6th of relay；1st normally opened contact of second relay and the 2nd normally opened contact it is another
The power input respectively with the pump equipment is held to be connected.
2. device as claimed in claim 1, it is characterised in that the direct current regulation circuit includes transformer, rectifier, voltage stabilizing
Device, the first filter capacitor and the second filter capacitor, the live wire and zero line of the AC power connect the original of the transformer respectively
The two ends of side winding, it is integrated that the output of the secondary side winding of the transformer passes sequentially through rectifier, the first filter capacitor, trifocal
Exported after voltage-stablizer and the second filter capacitor as the positive output pin of direct current regulation circuit.
3. device as claimed in claim 1, it is characterised in that the warning circuit includes diode, first resistor, the second limit
Leakage resistance and buzzer；The anode of the diode connects the other end of the 3rd normally opened contact of first relay and described
One end of first resistor, the negative electrode of the diode connects one end of the 5th normally-closed contact of second relay, described second
The other end of the 5th normally-closed contact of relay is connected with one end of the 6th normally-closed contact of second relay；Described second after
The other end of the 6th normally-closed contact of electrical equipment is connected with one end of second current-limiting resistance；Second current-limiting resistance it is another
End is connected with described buzzer one end, the other end ground connection of the other end of the buzzer and the first resistor.
4. device as claimed in claim 2, it is characterised in that the rectifier includes 4 commutation diodes.
5. device as claimed in claim 1, it is characterised in that also including first fuse and second fuse, described first
One end of fuse is connected with the zero line of the AC power, the other end of the first fuse and the direct current regulation circuit
Input, the 2nd normally opened contact of first relay one end be connected；One end of the second fuse and the alternating current
The live wire connection in source, the input of the other end of the second fuse and the direct current regulation circuit, first relay
One end of 1st normally opened contact is connected.
6. device as claimed in claim 1, it is characterised in that also include：Be connected on the power input of the pump equipment with
The first electrothermal relay between second relay and be connected on the motor power input and second relay it
Between the second electrothermal relay.
7. device as claimed in claim 6, it is characterised in that the 1st normally opened contact of second relay and the 2nd normally opened is touched
Connected respectively between the other end and the power input of the pump equipment of point a normally-closed contact of first electrothermal relay, institute
State and divide between the 3rd normally opened contact of the second relay and the other end of the 4th normally opened contact and the both positive and negative polarity input of the motor
Do not connect a normally-closed contact of second electrothermal relay.
8. device as claimed in claim 1, it is characterised in that also including a turntable, the working face of the turntable is used to put
Light fixture to be tested is put, makes lamp surface to be tested to the water spray delivery outlet of the pump equipment, the rotating shaft of the turntable and the electricity
The output shaft of machine is connected by transmission mechanism, and the torque for motor to be exported is converted to the turntable centered on the rotating shaft
The torque of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190667.8A CN104180944B (en) | 2013-05-21 | 2013-05-21 | A kind of light fixture waterproof test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190667.8A CN104180944B (en) | 2013-05-21 | 2013-05-21 | A kind of light fixture waterproof test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104180944A CN104180944A (en) | 2014-12-03 |
| CN104180944B true CN104180944B (en) | 2017-06-23 |
Family
ID=51962171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310190667.8A Active CN104180944B (en) | 2013-05-21 | 2013-05-21 | A kind of light fixture waterproof test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104180944B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59108933A (en) * | 1982-12-15 | 1984-06-23 | Toshiba Corp | Device for detecting gas leakage from current collecting ring |
| CN1245872A (en) * | 1999-07-16 | 2000-03-01 | 深圳市红门机电设备有限公司 | Electronic automatic controller for water pump |
| CN2383309Y (en) * | 1999-04-29 | 2000-06-21 | 胡龙 | Suspended device for fertilizing and spraying pesticide |
| CN101398345A (en) * | 2008-10-09 | 2009-04-01 | 重庆长安汽车股份有限公司 | Control system of durability test device for automobile window glass water scraper |
| CN201740628U (en) * | 2010-04-29 | 2011-02-09 | 重庆长安汽车股份有限公司 | Waterproof test device of automobile rear fog lamp |
| CN202676385U (en) * | 2012-08-06 | 2013-01-16 | 宁波吉江汽车制造有限责任公司 | Automobile rain showering test-bed with remote control function |
| CN102937565A (en) * | 2012-10-23 | 2013-02-20 | 鞍钢股份有限公司 | Marine-splash-zone-simulating corrosion test device and testing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008088800A1 (en) * | 2007-01-16 | 2008-07-24 | Mahle Powertrain, Llc | Evaporative emission system test apparatus and method of testing |
-
2013
- 2013-05-21 CN CN201310190667.8A patent/CN104180944B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59108933A (en) * | 1982-12-15 | 1984-06-23 | Toshiba Corp | Device for detecting gas leakage from current collecting ring |
| CN2383309Y (en) * | 1999-04-29 | 2000-06-21 | 胡龙 | Suspended device for fertilizing and spraying pesticide |
| CN1245872A (en) * | 1999-07-16 | 2000-03-01 | 深圳市红门机电设备有限公司 | Electronic automatic controller for water pump |
| CN101398345A (en) * | 2008-10-09 | 2009-04-01 | 重庆长安汽车股份有限公司 | Control system of durability test device for automobile window glass water scraper |
| CN201740628U (en) * | 2010-04-29 | 2011-02-09 | 重庆长安汽车股份有限公司 | Waterproof test device of automobile rear fog lamp |
| CN202676385U (en) * | 2012-08-06 | 2013-01-16 | 宁波吉江汽车制造有限责任公司 | Automobile rain showering test-bed with remote control function |
| CN102937565A (en) * | 2012-10-23 | 2013-02-20 | 鞍钢股份有限公司 | Marine-splash-zone-simulating corrosion test device and testing method |
Non-Patent Citations (1)
| Title |
|---|
| 《时间继电器在控制电机运行中的应用》;刘永奇等;《化学工程与设备》;20100731(第7期);第73-74页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104180944A (en) | 2014-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207946485U (en) | Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting | |
| WO2022095059A1 (en) | Internal combustion charging system | |
| CN104180944B (en) | A kind of light fixture waterproof test device | |
| CN202042678U (en) | Automatic power-off power line | |
| CN205404786U (en) | Smart electric meter detection device | |
| CN208384025U (en) | A kind of test macro of direct-current charging post | |
| CN208608436U (en) | Distribution emergency Quick access device | |
| CN207184858U (en) | A kind of emergency LED lamp | |
| CN205445987U (en) | Water pump controller | |
| CN203851081U (en) | Bionic plant solar device | |
| CN208352788U (en) | A kind of color steel low-tension distribution box of energy conservation | |
| CN202773152U (en) | Single lamp controller based on electric power carrier wave communication | |
| CN207426673U (en) | The hardware circuit of control and protective switch equipment | |
| CN201946839U (en) | Novel intelligent socket | |
| CN205691736U (en) | Switch carrier wave isolation monitoring device and emergency power supply | |
| CN205864055U (en) | A kind of network intelligence double copies power supply | |
| CN206419196U (en) | A kind of central air-conditioner cooling water circulation pump control system for monitoring real time energy consumption | |
| CN205693600U (en) | Drawbench control circuit | |
| CN104767401A (en) | Novel intelligent power source | |
| CN110822153A (en) | Intelligent water faucet | |
| CN205724939U (en) | The battery charger that a kind of SCR and microprocessor control | |
| CN204536399U (en) | A kind of alterating and direct current detection system | |
| CN204791552U (en) | Signal lamp that possesses ambient brightness self -adaptation and error detection function | |
| CN204424621U (en) | Intelligent electricity-saving socket | |
| CN106524449A (en) | Central air conditioning unit mutual backup control system capable of monitoring real-time energy consumption |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |