CN111929521A - Temperature rise test device for connecting device for conduction charging - Google Patents
Temperature rise test device for connecting device for conduction charging Download PDFInfo
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- CN111929521A CN111929521A CN202010832646.1A CN202010832646A CN111929521A CN 111929521 A CN111929521 A CN 111929521A CN 202010832646 A CN202010832646 A CN 202010832646A CN 111929521 A CN111929521 A CN 111929521A
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- power supply
- transformer
- supply interface
- connecting device
- alternating current
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 abstract description 11
- 239000006101 laboratory sample Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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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
Abstract
The invention discloses a temperature rise test device of a connecting device for conduction charging, which comprises a transformer for connecting a power supply, an alternating current-direct current conversion module connected with the transformer and a power supply interface for connecting a sample, wherein the power supply interface comprises an alternating current power supply interface connected with the transformer and a direct current power supply interface connected with the alternating current-direct current conversion module. Because be equipped with the alternating current-direct current conversion module among the conduction is charged with connecting device temperature-rise test device, it can convert alternating current into direct current to make conduction charge with connecting device temperature-rise test device exportable two kinds of electric currents of alternating current, direct current. The laboratory staff only need insert corresponding power supply interface with the laboratory sample and can test, need not to change equipment to laboratory staff's work load has been reduced.
Description
Technical Field
The invention relates to the technical field of test equipment, in particular to a temperature rise test device for a connecting device for conduction charging.
Background
Before the electric parts are used, temperature rise tests are carried out to test the temperature change condition of the electric parts under current. The existing test equipment can only test the heating condition of the electric parts in a single direct current circuit or an alternating current circuit. The experimenter changes the test equipment after the experiment of a kind of circuit is accomplished, leads to the experimenter work load heavy.
Therefore, how to reduce the workload of the experimenters is a technical problem which needs to be solved urgently by the technicians in the field.
Disclosure of Invention
The invention aims to provide a temperature rise test device of a connecting device for conduction charging, which can perform direct current power supply and alternating current power supply on a sample, so that a tester can complete the test without replacing equipment, and the workload of the tester is reduced.
In order to achieve the purpose, the invention provides a temperature rise test device for a connecting device for conduction charging, which comprises a transformer for connecting a power supply, an alternating current-direct current conversion module connected with the transformer and a power supply interface for connecting a sample, wherein the power supply interface comprises an alternating current power supply interface connected with the transformer and a direct current power supply interface connected with the alternating current-direct current conversion module.
Preferably, the test circuit further comprises a voltage regulator for regulating voltage and a variable resistance module arranged between the voltage regulator and the transformer and used for regulating test current.
Preferably, the device further comprises a sensor connecting port used for connecting the thermocouple and a controller which is connected with the sensor connecting port and used for receiving signals transmitted by the sensor.
Preferably, the test device further comprises a display connected with the controller and used for displaying the test data.
Preferably, the variable resistance module comprises at least two load resistors which are arranged in parallel, each load resistor is connected with a solid-state relay in series, and each load resistor is connected with the output end of the voltage regulator.
Preferably, the transformer is an isolation transformer.
The temperature rise test device for the connecting device for conduction charging comprises a transformer for connecting a power supply, an alternating current-direct current conversion module connected with the transformer and a power supply interface for connecting a sample, wherein the power supply interface comprises an alternating current power supply interface connected with the transformer and a direct current power supply interface connected with the alternating current-direct current conversion module.
Because be equipped with the alternating current-direct current conversion module among the conduction is charged with connecting device temperature-rise test device, it can convert alternating current into direct current to make conduction charge with connecting device temperature-rise test device exportable two kinds of electric currents of alternating current, direct current. The laboratory staff only need insert corresponding power supply interface with the laboratory sample and can test, need not to change equipment to laboratory staff's work load has been reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of one side of a temperature rise test device of a connecting device for conduction charging according to the present invention;
FIG. 2 is a schematic structural diagram of the other side of the temperature rise test device of the connecting device for conduction charging;
fig. 3 is a schematic diagram of a temperature rise test device of the connecting device for conduction charging.
Wherein the reference numerals in fig. 1 to 3 are:
the device comprises a case 1, a transformer 2, a voltage regulator 3, a sensor connector 4, a variable resistance module 5, a direct current power supply interface 6, an alternating current power supply interface 7 and a display 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a side of a temperature rise test device of a connecting device for conduction charging according to the present invention; FIG. 2 is a schematic structural diagram of the other side of the temperature rise test device of the connecting device for conduction charging; fig. 3 is a schematic diagram of a temperature rise test device of the connecting device for conduction charging.
The structure of the temperature rise test device for the connecting device for conduction charging is shown in fig. 1 and 2, and the temperature rise test device comprises a transformer 2 and an alternating current-direct current conversion module. Specifically, the power supply of the temperature rise test device for the connecting device for conduction charging is connected with the mains supply, and 220V alternating current input is adopted as power supply. The transformer 2 can reduce the 220V input voltage to 5V, which is then used to power the sample. In addition, to ensure the safety of the experiment, the transformer 2 can adopt an isolation transformer 2. The ac-dc conversion module is connected to the transformer 2 for converting ac power to dc power. The temperature rise experimental device is provided with an alternating current power supply interface 7 and a direct current power supply interface 6, and specifically, the power supply interface can adopt a copper bar. The direct-current power supply interface 6 is connected with the alternating-current and direct-current conversion module, the alternating-current power supply interface 7 is connected with the transformer 2, and an experimenter connects samples through different power supply interfaces to realize heating tests of the samples in different power supply modes. The structure of the ac/dc conversion module can refer to the prior art, and is not described herein again.
In addition, since the sample may need to be tested for heating conditions at a plurality of voltages, the temperature rise test device for the connecting device for conduction charging also needs to output a plurality of currents and voltages. Therefore, the conduction charging connecting device temperature rise test device further comprises a voltage regulator 3, a variable resistance module 5 and a controller. As shown in fig. 3, the voltage regulator 3 is connected to a power supply to regulate the voltage, specifically, the voltage regulator 3 can convert an input voltage of 220V into an output voltage of 0-250V, and the variable resistance module 5 is located between the voltage regulator 3 and the transformer 2. The voltage regulator 3 and the variable resistance module 5 are both connected with the controller, and an experimenter can control the output voltage of the voltage regulator 3 and the resistance value of the variable resistance through the controller so as to enable the sample to be under proper current and voltage. The controller can be a singlechip, a PLC controller and the like.
Optionally, the variable resistance module 5 includes at least two parallel load resistors. In one embodiment of the present application, as shown in fig. 3, the variable resistance module 5 includes 4 adjusting branches connected in parallel, where two load resistors are connected in parallel in a first adjusting branch, both of which are connected in series with a first solid-state relay, and the first solid-state relay is connected to a controller and is controlled by the controller to be turned on or off. The second to fourth adjusting branches are respectively provided with a load resistor and a solid-state relay, and the second to fourth solid-state relays are also connected with the controller. The controller controls the on-off of the solid-state relay to adjust the resistance value of the whole variable resistance module 5. The input end of the whole variable resistance module 5 is connected with the output end of the voltage regulator 3, and the output end of the variable resistance module 5 is connected with the input end of the transformer 2.
Further, for conveniently recording test data, the conduction charging connecting device temperature rise test device further comprises a sensor connecting port 4. The thermocouple for measuring the temperature of the sample can be connected into the sensor connecting port 4, meanwhile, the sensor connecting port 4 is also connected with the controller, the measuring result of the sensor can be directly transmitted to the controller, and the controller stores the measuring result for further experimental analysis.
In addition, because the sensor connecting port 4 needs to supply power to the thermocouple, in order to ensure the stability of the power supply current, the sensor connecting port 4 is also provided with a current generator. In the test process, temperature measurement is usually required to be carried out on a plurality of positions of a sample at the same time, so that the sensor connecting port 4 is provided with a plurality of connecting points, each connecting point is respectively provided with a signal transmission channel and a power supply channel, the controller is connected with each signal transmission channel, and the current generator is connected with each power supply channel.
Further, the conduction charging connecting device temperature rise test device further comprises a display 8 connected with the controller. The display 8 is able to display the current voltage, current and temperature at the various measurement points of the test procedure. Of course, the display 8 may be a touch screen, and a user may change the current and voltage parameters during the test process through the touch screen and know the temperature rise curve of the sample through the temperature of each measuring point displayed by the touch screen. Of course, the user may also set the keyboard for inputting the test parameters as desired.
In addition, in order to ensure the stability of the equipment, the temperature rise test device of the connecting device for conduction charging further comprises a case 1, a voltage regulator 3 and a transformer 2 are arranged at the lower part of the case 1, a variable resistance module 5 is arranged at the upper part of the case 1, and a display 8 is also arranged at the upper part of the case 1 and is positioned at one side opposite to the variable resistance module 5. In addition, the variable resistance module 5 generates large heat, and the upper part of the case 1 is also provided with a heat dissipation port. The sensor connection port 4 is located in the middle of the cabinet 1.
In this embodiment, the temperature rise test device for the connecting device for conduction charging adopts the alternating current-direct current conversion module to convert alternating current into direct current, so that the alternating current and direct current can be adopted to supply power to the sample. In addition, still set up controller and display 8 among the conduction is charged with connecting device temperature rise test device, user's accessible controller and 8 control test parameters of display to read the test result, make the test procedure more convenient, reduced experimenter's working strength.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The temperature rise test device for the connecting device for conduction charging provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a conduction is charged and is used connecting device temperature rise test device which characterized in that, including transformer (2) that are used for connecting the power, with the alternating current-direct current conversion module that transformer (2) link to each other and the power supply interface that is used for connecting the sample, the power supply interface include with alternating current power supply interface (7) that transformer (2) link to each other and with direct current power supply interface (6) that alternating current-direct current conversion module links to each other.
2. The connecting device temperature-rise test device for conduction charging according to claim 1, further comprising a voltage regulator (3) for regulating voltage and a variable resistance module (5) disposed between the voltage regulator (3) and the transformer (2) for regulating test current.
3. The temperature-rise test device for the connecting device for conduction charging according to claim 1, further comprising a sensor connection port (4) for connecting a thermocouple, and a controller connected to the sensor connection port (4) for receiving a signal transmitted from the sensor.
4. The device for testing temperature rise of connecting device for conduction charging according to claim 3, further comprising a display (8) connected to said controller for displaying test data.
5. The conduction charging connecting device temperature-rise test device according to claim 2, wherein the variable resistor module (5) comprises at least two load resistors arranged in parallel, each load resistor is connected in series with a solid-state relay, and each load resistor is connected with the output end of the voltage regulator (3).
6. The connecting device for conduction charging temperature rise test device according to any one of claims 1 to 5, wherein the transformer (2) is an isolation transformer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010832646.1A CN111929521A (en) | 2020-08-18 | 2020-08-18 | Temperature rise test device for connecting device for conduction charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010832646.1A CN111929521A (en) | 2020-08-18 | 2020-08-18 | Temperature rise test device for connecting device for conduction charging |
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| Publication Number | Publication Date |
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| CN111929521A true CN111929521A (en) | 2020-11-13 |
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| CN202010832646.1A Pending CN111929521A (en) | 2020-08-18 | 2020-08-18 | Temperature rise test device for connecting device for conduction charging |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566981A (en) * | 2003-06-19 | 2005-01-19 | 上海电器科学研究所 | AC-DC electrical contact electricity life testing device and method |
| CN103293406A (en) * | 2013-04-09 | 2013-09-11 | 广东省东莞市质量监督检测中心 | Electric appliance product intelligent temperature rise testing system and control method thereof |
| CN103675671A (en) * | 2013-12-17 | 2014-03-26 | 西安交通大学 | Temperature rise test system for high-voltage switch gear |
| CN203798932U (en) * | 2014-04-18 | 2014-08-27 | 许继电气股份有限公司 | Testing device applied to electric power and electronic product testing |
| CN104076218A (en) * | 2014-07-03 | 2014-10-01 | 国家电网公司 | Temperature rise test instrument and test method for large current charging connector |
| CN108845167A (en) * | 2018-04-15 | 2018-11-20 | 武汉市整流器研究所 | A kind of strong current generator device |
-
2020
- 2020-08-18 CN CN202010832646.1A patent/CN111929521A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566981A (en) * | 2003-06-19 | 2005-01-19 | 上海电器科学研究所 | AC-DC electrical contact electricity life testing device and method |
| CN103293406A (en) * | 2013-04-09 | 2013-09-11 | 广东省东莞市质量监督检测中心 | Electric appliance product intelligent temperature rise testing system and control method thereof |
| CN103675671A (en) * | 2013-12-17 | 2014-03-26 | 西安交通大学 | Temperature rise test system for high-voltage switch gear |
| CN203798932U (en) * | 2014-04-18 | 2014-08-27 | 许继电气股份有限公司 | Testing device applied to electric power and electronic product testing |
| CN104076218A (en) * | 2014-07-03 | 2014-10-01 | 国家电网公司 | Temperature rise test instrument and test method for large current charging connector |
| CN108845167A (en) * | 2018-04-15 | 2018-11-20 | 武汉市整流器研究所 | A kind of strong current generator device |
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Address after: No.217 Taizhou Road, gongchenqiao, Hangzhou, Zhejiang, 310015 Applicant after: Zhejiang Huadian Equipment Testing Research Institute Co.,Ltd. Address before: 138 Yunlian Road, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG HUADIAN EQUIPMENT TESTING INSTITUTE Co.,Ltd. |
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Application publication date: 20201113 |
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