CN212321743U - PCB welding type transformer aging testing device - Google Patents

PCB welding type transformer aging testing device Download PDF

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Publication number
CN212321743U
CN212321743U CN202020673473.9U CN202020673473U CN212321743U CN 212321743 U CN212321743 U CN 212321743U CN 202020673473 U CN202020673473 U CN 202020673473U CN 212321743 U CN212321743 U CN 212321743U
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CN
China
Prior art keywords
temperature
temperature measurement
transformer
test
chip
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.)
Expired - Fee Related
Application number
CN202020673473.9U
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Chinese (zh)
Inventor
李德军
吴小卫
张悠悠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YANGZHOU WEIPENG AUTOMATION TECHNOLOGY CO LTD
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YANGZHOU WEIPENG AUTOMATION TECHNOLOGY CO LTD
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Priority to CN202020673473.9U priority Critical patent/CN212321743U/en
Application granted granted Critical
Publication of CN212321743U publication Critical patent/CN212321743U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a PCB welding formula transformer aging testing device, including temperature-detecting device and the IC locking seat of setting in the temperature-detecting device both sides, temperature-detecting device includes test probe, temperature measurement board and temperature measurement chip, and the temperature measurement chip sets up on the temperature measurement board, and test probe supports the temperature measurement board and is connected with the temperature measurement chip. The utility model discloses utilize the convenient installation of IC locking seat and dismantle by survey transformer, test thimble type temperature-detecting circuit guarantees that the temperature detection chip hugs closely transformer bottom packaging surface, reliably surveys transformer surface temperature, the utility model discloses be convenient for use the welding at the transformer and go on reliability testing before, reject the defective products before getting into the production link, improve PCBA product percent of pass.

Description

PCB welding type transformer aging testing device
Technical Field
The utility model belongs to the technical field of the transformer test, concretely relates to PCB welding formula transformer aging testing device.
Background
The power transformer is used as a core device of a PCBA (Printed Circuit Board + Assembly), namely, a PCB blank Board is subjected to SMT (surface mount technology) loading and then subjected to the whole process of DIP (dual in-line package) insertion, and guarantees are provided for weak current power supply on the PCBA. However, in practical applications, particularly in industrial automation and instrument industries, incoming materials of transformers have a certain failure rate and need to be controlled in incoming material detection, detection indexes of power transformers generally comprise parameters such as output voltage, load current and surface temperature, a common detection method is to manually detect the incoming materials through one-to-one contact of detection pens and a plurality of pins on finished products of the transformers, the time consumption is long, the accuracy rate is low, in addition, electrical performance parameters and the surface temperature need to be detected step by step, the processes are multiple, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the existing detection mode has long time consumption, low accuracy rate, multiple working procedures and low efficiency.
The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a PCB welded transformer aging testing device, includes temperature-detecting device and sets up the IC locking seat in temperature-detecting device both sides, temperature-detecting device includes test probe, temperature measurement board and temperature measurement chip, the temperature measurement chip sets up on the temperature measurement board, test probe supports the temperature measurement board and is connected with the temperature measurement chip.
Preferably, the test probes are spring test probes, and the number of the spring test probes is 4.
Preferably, the test probes are respectively used as a power supply positive lead, a power supply negative lead and I for connecting the temperature detection plate and the test circuit main chip2C communication data line and I2C communication clock line。
Preferably, the IC locking seat and the test probe are welded on the PCB.
Preferably, the temperature measuring chip is a TMP102 temperature sensor.
Preferably, the temperature measuring device further comprises a test circuit and a monitoring display screen, the test circuit is connected with the monitoring display screen, and the temperature measuring chip is connected with the test circuit through a test probe.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a PCB welded transformer aging testing device utilizes the convenient installation of IC locking seat and dismantles the transformer of being surveyed, and test thimble type temperature detection circuit guarantees that the temperature detection chip hugs closely transformer bottom packaging surface, reliably surveys transformer surface temperature. The electrical performance and aging test of the PCB welding type power transformer can be independently realized. The utility model can set the testing time and realize the automatic loading test and monitoring of the transformer; the utility model discloses be convenient for carry out reliability testing before the transformer uses the welding, efficient, the precision rate is high, rejects the defective products before getting into the production link, improves PCBA product percent of pass.
Drawings
FIG. 1 is a top view of a PCB welded transformer burn-in test apparatus;
FIG. 2 is a side view of a PCB welded transformer burn-in test apparatus;
FIG. 3 is a top view of the PCB welded transformer aging test apparatus after the tested transformer is installed;
FIG. 4 is a rear side view of the PCB welded transformer burn-in testing apparatus after the tested transformer is installed.
Detailed Description
The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-4, the aging test device for the PCB-welded transformer comprises a temperature detection device and IC locking seats 1 arranged on two sides of the temperature detection device, wherein the temperature detection device comprises a test probe 2, a temperature measurement plate 3 and a temperature measurement chip 4, the temperature measurement chip 4 is arranged on the temperature measurement plate 3, and the test probe 2 supports the temperature measurement plate 3 and is connected with the temperature measurement chip 4.
The transformer aging testing device further comprises a testing circuit and a monitoring display screen (both devices in the prior art and not shown in the figure), the testing circuit is connected with the monitoring display screen, the temperature measuring chip 4 is connected with the testing circuit through the testing probe 2, the testing circuit reads main parameters of the transformer such as output voltage, load current and the like by using the microprocessor and the electric energy metering chip, the main parameters are sent to the monitoring display screen to be displayed, and an alarm signal is output according to an alarm interval set by the display screen. The monitoring display screen is a dot matrix liquid crystal display screen and can display the electrical performance parameters of the tested transformer, including output voltage, load current, surface temperature and the like.
2 welding of IC locking seat 1 is on test circuit PCB board 5, and PCB board 5 is fixed on base 6, and test probe 2 is the spring test probe, and the spring test probe is provided with 4, supports the four corners at the temperature measurement board. The upper end of the spring test probe is welded with the temperature measuring plate 3, the lower end of the spring test probe is welded with the PCB 5, and 4 test probes 2 are respectively used as a power supply anode lead, a power supply cathode lead and an I for connecting the temperature measuring plate and a main chip of the test circuit2C communication data line and I2C communication clock line. The temperature measuring chip 4 adopts a TMP102 temperature sensor to accurately measure the surface temperature of the transformer.
During testing, the transformer A to be tested is placed above the temperature measuring plate, the transformer welding pin is inserted into the IC locking seat 1, the rocker 7 is pulled to lock the welding pin, the transformer A presses the spring ejector pin downwards, the temperature measuring chip 4 is in close contact with the transformer A to be tested under the reaction force of the spring in the probe, the temperature measuring chip is ensured to be tightly attached to the bottom packaging surface of the transformer, and the surface temperature of the transformer is reliably detected.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a PCB welded transformer aging testing device which characterized in that: including temperature-detecting device and IC locking seat (1) of setting in temperature-detecting device both sides, temperature-detecting device includes test probe (2), temperature measurement board (3) and temperature measurement chip (4), temperature measurement chip (4) set up on temperature measurement board (3), test probe (2) support temperature measurement board (3) and are connected with temperature measurement chip (4).
2. The PCB welded transformer aging testing device of claim 1, wherein: the test probes (2) are spring test probes, and 4 spring test probes are arranged.
3. The PCB welded transformer aging testing device of claim 1 or 2, wherein: the test probe (2) is respectively used as a power supply anode lead, a power supply cathode lead and I for connecting the temperature detection plate and the test circuit main chip2C communication data line and I2C communication clock line.
4. The PCB welded transformer aging testing device of claim 1, wherein: the IC locking seat (1) and the test probe (2) are welded on the PCB (5).
5. The PCB welded transformer aging testing device of claim 1, wherein: the temperature measuring chip (4) is a TMP102 temperature sensor.
6. The PCB welded transformer aging testing device of claim 1, wherein: the temperature measurement device is characterized by further comprising a test circuit and a monitoring display screen, wherein the test circuit is connected with the monitoring display screen, and the temperature measurement chip (4) is connected with the test circuit through the test probe (2).
CN202020673473.9U 2020-04-27 2020-04-27 PCB welding type transformer aging testing device Expired - Fee Related CN212321743U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020673473.9U CN212321743U (en) 2020-04-27 2020-04-27 PCB welding type transformer aging testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020673473.9U CN212321743U (en) 2020-04-27 2020-04-27 PCB welding type transformer aging testing device

Publications (1)

Publication Number Publication Date
CN212321743U true CN212321743U (en) 2021-01-08

Family

ID=74031699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020673473.9U Expired - Fee Related CN212321743U (en) 2020-04-27 2020-04-27 PCB welding type transformer aging testing device

Country Status (1)

Country Link
CN (1) CN212321743U (en)

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Granted publication date: 20210108