CN204832842U - Endurance test device of temperature sensitive controller - Google Patents
Endurance test device of temperature sensitive controller Download PDFInfo
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- CN204832842U CN204832842U CN201520699183.0U CN201520699183U CN204832842U CN 204832842 U CN204832842 U CN 204832842U CN 201520699183 U CN201520699183 U CN 201520699183U CN 204832842 U CN204832842 U CN 204832842U
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- switch
- branch
- relay
- test apparatus
- durability test
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Abstract
The utility model discloses an endurance test device of temperature sensitive controller, including switch, main loop switch, branch switch, current switch, relay, counter and time -recorder, wherein, be connected with switch from positive, switch one end is connected with main loop switch, current switch, relay, time -recorder, branch switch are parallelly connected respectively, current switch, relay, time -recorder and branch switch's one end is connected the other end that main loop switch, the other end connected, the counter directly connects in parallel between switch one end and the power negative pole, it has need checking sample still to establish ties at current switch place branch road. The utility model discloses an endurance test device of temperature sensitive controller, job stabilization is reliable, and it is simply convenient that maintenance, maintenance and operation etc. Are, and the cost is also lower.
Description
Technical field
The utility model relates to a kind of temperature testing device, specifically, relates to a kind of durability test apparatus of temp sensing controller.
Background technology
Temp sensing controller permanance device is according to the different product of various structure and standard-required, durability test is carried out to temp sensing controller, also loading or not loading can be selected to test according to testing requirements, the critical piece of this temp sensing controller permanance device all adopts the brand parts of domestic and international popularity to form, working stability is reliable, and maintenance, repair and operation etc. are simple and convenient.
But also there is following deficiency in existing equipment: 1, independent load will be mated in addition; 2, need be furnished with independently air compressor to reach quick cooling effect.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of durability test apparatus of temp sensing controller, comprise a control circuit, described control circuit comprises, power switch, major loop switch, branch switch, current switch, relay, counter and timer, wherein, power switch is connected with from positive source, power switch one end is connected with major loop switch, described current switch, relay, timer, branch switch is in parallel respectively, described current switch, relay, one end of timer and branch switch connects described major loop switch, the other end connects the other end of power supply, described counter is directly parallel between described power switch one end and power cathode, at current switch place, branch road is also in series with testing sample.
Further, be also parallel with two branch roads at described major loop switch and power cathode one end, wherein a branch road is provided with separately a branch switch, another branch road comprises relay and a branch switch of a series connection.
Preferably, also include alarm, connect described relay, when described relay exceedes setting value turn-on time, described in send a signal to alarm.
Preferably, also include heating arrangement and refrigerating plant, respectively towards described testing sample, described heating arrangement starts hot blast when detecting that testing sample is in on-state, and described refrigerating plant starts cold wind when detecting that testing sample is in off-state.
Preferably, described heating arrangement comprises ac fan and heating wire, and described refrigerating plant is direct current aerofoil fan.
Preferably, also radiator fan is installed in described durability test apparatus inside.
Compared with prior art, the durability test apparatus of a kind of temp sensing controller disclosed in the utility model, is applicable to temperature: the highest operating temperature can reach 330 DEG C; Heat time: foreshorten to and be less than 5-10 second; The type of cooling: force accelerating cooling by import DC fan, cooling velocity is fast; Test speed: to the product of operating temperature higher than 250 DEG C, speed significantly improves, and can reach 3-6 beat/min; The multiple needs such as load needed for product and single bipolar controlling functions can be adapted to and carry out convenient wiring; The control section of test and load for testing become one by this equipment, can save space like this, are convenient to the fault in discovery process of the test and deal with problems.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the durability test apparatus of the temp sensing controller disclosed in the utility model embodiment.
Fig. 2 is the main loop circuit schematic diagram of the durability test apparatus of the temp sensing controller disclosed in the utility model embodiment.
Embodiment
For making those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
With reference to Fig. 1, shown in Fig. 2, the durability test apparatus of a kind of temp sensing controller disclosed in the utility model embodiment, comprise, one power switch 10, control the power supply of complete machine inside, power switch 10 is arranged near power end (positive pole of power supply or the negative pole of power supply), one major loop K switch M2, major loop K switch M2 one end connects described power switch 10, the other end is connected with multiple parts, the plurality of parts comprise: branch switch KM1, current switch 30, relay 40 and timer 50, wherein, described current switch 30, relay 40, timer 50, branch switch KM1 is respectively in parallel, described current switch, relay, one end of timer and branch switch connects described major loop K switch M2, the other end connects the negative pole of power supply, at current switch 30 place, branch road is also in series with testing sample 60 and load 70, described load 70 can be made up of three purely resistive loads, each is in the adjustable scope of 2.5A to 20A, described current switch 30 is for testing a circulation time when testing sample, to a signal to counter, reach the object of the durable counting of sample, described relay 40 exceedes setting value (or during non-normal working) between when on, send a signal to alarm, contactor is used for after the durability times of setting reaches, automatic cut-out load 70, also include counter 20, described counter 20 is for when number of times reaches setting value, cut off the circuit at load and heated fan place, between the positive pole that described counter 20 is directly parallel in described power switch 10 and power cathode, described testing sample 60 is towards heating arrangement and refrigerating plant, by heating arrangement, testing sample is heated, by refrigerating plant, sample is cooled.Described refrigerating plant is preferably direct current aerofoil fan, adopt the cooling of import blower fan, do not need separately to join air compressor, when detecting that test sample is in off-state, it will give testing sample sample≤30 DEG C cold wind, and this device adopts import direct current cooling fan, when KM1 receives the signal of test product disconnection, cooling blower carries out pressure cooling to test product, reaches the object resetted as early as possible.Described heating arrangement is primarily of ac fan and heating wire composition, and when testing sample and being in on-state, it will give sample≤330 DEG C hot blast.In addition, also radiator fan is installed in the inside of described durability test apparatus, mainly complete machine internal heat is discharged, guarantee inside equipment, to keep good working temperature.Described heating arrangement and the distance between refrigerating plant and product to be measured adjustable.
In addition, be also parallel with two branch roads at described major loop K switch M2 and power cathode one end, wherein a branch road is provided with separately a branch switch KM1, another branch road comprises relay and a branch switch KM2 of a series connection.
The operating process of the durability test apparatus of temp sensing controller described in the utility model is: power turn-on switch (control section); Test product period is set; Close major loop switch; Adjust the test parameters of test product; Install test product; Start normal assays.
Specific operation process and principle of work as follows:
1. power turn-on switch (control section) and when setting the period of test product, KM2 coil obtains electric (namely the normally opened contact of KM2 closes); The main circuit power switch closing external, current switch closes, KM1 coil obtains electric simultaneously, the normally opened contact of KM1 is closed, normally closed contact is opened, well heater is to test product blowing hot-air simultaneously, when test product reaches because of operating temperature, test product inner contact disconnects, major loop loses electric current, current switch action (namely contact disconnects), KM1 dead electricity (namely initial conditions is got back in contact), at this moment radiator fan carries out pressure cooling to test product, until test product resets; Circulate successively, when cycle index reaches the number of times of setting, KM2 power-off, off-test.
2. exceed the setting value (this device is set as 60 seconds) of timer when the duration of test product turn-on current, namely when the inner contact of test product sticks together, auxiliary reclay obtain electric (namely normally opened contact close, normally closed contact disconnects), make cold-hot wind system stalls and send alarm sound.
The durability test apparatus of temp sensing controller disclosed in the utility model, working stability is reliable, and maintenance, repair and operation etc. are simple and convenient, and cost is also lower.
Above-mentioned explanation illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection domain of the utility model claims.
Claims (6)
1. the durability test apparatus of a temp sensing controller, comprise a control circuit, it is characterized in that described control circuit comprises: power switch, major loop switch, branch switch, current switch, relay, counter and timer, wherein, power switch is connected with from positive source, power switch one end is connected with major loop switch, described current switch, relay, timer, branch switch is in parallel respectively, described current switch, relay, one end of timer and branch switch connects described major loop switch, the other end connects the other end of power supply, described counter is directly parallel between described power switch one end and power cathode, at current switch place, branch road is also in series with testing sample.
2. the durability test apparatus of temp sensing controller as claimed in claim 1, it is characterized in that, also be parallel with two branch roads at described major loop switch and power cathode one end, wherein a branch road is provided with separately a branch switch, another branch road comprises relay and a branch switch of a series connection.
3. the durability test apparatus of temp sensing controller as claimed in claim 1, is characterized in that, also include alarm, connect described relay, when described relay exceedes setting value turn-on time, described in send a signal to alarm.
4. the durability test apparatus of temp sensing controller as claimed in claim 1, it is characterized in that, also include heating arrangement and refrigerating plant, respectively towards described testing sample, described heating arrangement starts hot blast when detecting that testing sample is in on-state, and described refrigerating plant starts cold wind when detecting that testing sample is in off-state.
5. the durability test apparatus of temp sensing controller as claimed in claim 4, it is characterized in that, described heating arrangement comprises ac fan and heating wire, and described refrigerating plant is direct current aerofoil fan.
6. the durability test apparatus of temp sensing controller as claimed in claim 1, is characterized in that, be also provided with radiator fan in described durability test apparatus inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699183.0U CN204832842U (en) | 2015-09-10 | 2015-09-10 | Endurance test device of temperature sensitive controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699183.0U CN204832842U (en) | 2015-09-10 | 2015-09-10 | Endurance test device of temperature sensitive controller |
Publications (1)
| Publication Number | Publication Date |
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| CN204832842U true CN204832842U (en) | 2015-12-02 |
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| CN201520699183.0U Expired - Fee Related CN204832842U (en) | 2015-09-10 | 2015-09-10 | Endurance test device of temperature sensitive controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738111A (en) * | 2016-04-18 | 2016-07-06 | 浙江金盾科技股份有限公司 | Endurance testing machine for wheel bearing |
| CN108279342A (en) * | 2018-01-18 | 2018-07-13 | 肇庆市众自动化设备有限公司 | A kind of different voltage performance test system of element |
| CN113655378A (en) * | 2021-07-20 | 2021-11-16 | 湖州学院 | Method for detecting adhesion fault of new energy battery electric vehicle relay |
-
2015
- 2015-09-10 CN CN201520699183.0U patent/CN204832842U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738111A (en) * | 2016-04-18 | 2016-07-06 | 浙江金盾科技股份有限公司 | Endurance testing machine for wheel bearing |
| CN108279342A (en) * | 2018-01-18 | 2018-07-13 | 肇庆市众自动化设备有限公司 | A kind of different voltage performance test system of element |
| CN108279342B (en) * | 2018-01-18 | 2021-07-23 | 肇庆市众一自动化设备有限公司 | Different voltage performance test system of component |
| CN113655378A (en) * | 2021-07-20 | 2021-11-16 | 湖州学院 | Method for detecting adhesion fault of new energy battery electric vehicle relay |
| CN113655378B (en) * | 2021-07-20 | 2024-04-05 | 湖州学院 | Method for detecting adhesion fault of relay of new energy battery electric vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |