CN212844045U

CN212844045U - Temperature detection device for multipoint detection of temperature of PPTC (polymeric positive temperature coefficient) chip in high-voltage overcurrent

Info

Publication number: CN212844045U
Application number: CN202021750307.0U
Authority: CN
Inventors: 梅海林
Original assignee: Dongguan Tlc Electronic Technology Co ltd
Current assignee: Dongguan Tlc Electronic Technology Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-30
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a temperature-detecting device of PPTC chip temperature during multiple spot detects high pressure overflows, overflow equipment, high-pressure PPTC chip, display and temperature-sensing count appearance including the high pressure, the interval is equipped with a plurality of thermocouples that can diversely carry out real-time temperature to this high-pressure PPTC chip multiple spot on the high-pressure PPTC chip, and the other end and the temperature-sensing count appearance of thermocouple are connected, and the temperature-sensing count appearance carries out the diversely real time monitoring of multiple spot to the temperature of high-pressure PPTC chip, and display and temperature-sensing count appearance electricity are connected. The utility model has the advantages that: the utility model discloses a temperature-detecting device can the multi-point diversified temperature variation of monitoring high-pressure PPTC chip in the high pressure overflows the notch, just judges each direction temperature developments through the display to prevent in advance that high-pressure PPTC chip burns out, reduce danger.

Description

Temperature detection device for multipoint detection of temperature of PPTC (polymeric positive temperature coefficient) chip in high-voltage overcurrent

Technical Field

The utility model relates to a temperature test equipment, in particular to temperature-detecting device of PPTC chip temperature during multiple spot detects high pressure overflows.

Background

At present, a conventional device for detecting a high-voltage overcurrent PPTC temperature comprises a high-voltage overcurrent device 1, a high-voltage PPTC chip 2 and a temperature detection instrument 3 (as shown in fig. 1); a pin of a high-voltage PPTC chip is inserted into high-voltage overcurrent equipment, and a temperature detection device 3 is attached to a polymer PPTC battery sheet on the surface of the high-voltage PPTC chip; the temperature detection device is used for statically measuring the temperature of the high-voltage PPTC chip under high voltage and high current; in the existing device for detecting the temperature of the high-voltage overcurrent PPTC chip, a temperature detector can only be used for measuring a temperature point in a single static state and cannot feed back multi-direction dynamic detection temperature. Because the PPTC needs to be under the voltage of higher than 265 and the current is higher than 7A, the temperature of the PPTC chip needs to be tested in all directions, so that the ignition points of all directions of the PPTC chip can be early warned in advance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned defect of prior art, provide a temperature-detecting device of PPTC chip temperature during the multiple spot detects high pressure overflows. The device can dynamically detect the state of the high-voltage PPTC chip in all directions, so that the condition that the high-voltage PPTC chip is burnt out under high-voltage overcurrent can be well warned.

For solving the above-mentioned defect of prior art, the utility model provides a technical scheme is: the temperature detection device for multipoint detection of the temperature of the PPTC chip in high-voltage overcurrent comprises high-voltage overcurrent equipment, a high-voltage PPTC chip, a display and a temperature sensing counter, wherein a plurality of thermocouples capable of conducting real-time temperature sensing on multiple points of the high-voltage PPTC chip in multiple directions are arranged on the high-voltage PPTC chip at intervals, the other end of each thermocouple is connected with the temperature sensing counter, the temperature sensing counter conducts multipoint multi-direction real-time monitoring on the temperature of the high-voltage PPTC chip, and the display is electrically connected with the temperature sensing counter.

As the utility model discloses the multipoint detection high pressure overflows temperature-detecting device's of well PPTC chip temperature improvement, the high pressure overflows the equipment upper end and is equipped with the high pressure and overflows the device notch, the positive negative pole of high pressure PPTC chip is pegged graft high pressure overflows in the device notch.

As the utility model discloses the multipoint detection high pressure overflows temperature-detecting device's of well PPTC chip temperature improvement, the thermocouple is six, is first thermocouple, second thermocouple, third thermocouple, fourth thermocouple, fifth thermocouple and sixth thermocouple respectively, six the thermocouple falls into two rows of equidistance and arranges.

As the utility model discloses the multipoint detection high pressure overflows temperature-detecting device's of well PPTC chip temperature improvement, six the thermocouple responds to simultaneously the temperature of high pressure PPTC chip each point and give the temperature information of response the temperature-sensing count appearance, the temperature signal that the temperature-sensing count appearance was received is in show on the display.

As the utility model discloses the multipoint detection high pressure overflows temperature-detecting device's of well PPTC chip temperature improvement, it supplies to be equipped with in the device notch is crossed to the high pressure be equipped with the electrode grafting hole site that the positive negative pole of high pressure PPTC chip was pegged graft.

Compared with the prior art, the utility model has the advantages that: the utility model discloses a temperature-detecting device can the multi-point diversified temperature variation of monitoring high-pressure PPTC chip in the high pressure overflows the notch, just judges each direction temperature developments through the display to prevent in advance that high-pressure PPTC chip burns out, reduce danger.

Drawings

The invention and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and embodiments, in which:

fig. 1 is a schematic diagram of a prior art structure.

Fig. 2 is a schematic structural diagram of the present invention.

Reference symbol names: 1. the device comprises a display 2, a temperature sensing counter 3, a high-voltage PPTC chip 4, a high-voltage overcurrent device notch 5, a first thermocouple 6, a second thermocouple 7, a third thermocouple 8, a fourth thermocouple 9, a fifth thermocouple 10, a sixth thermocouple 11 and high-voltage overcurrent equipment.

Detailed Description

The invention will be further described below with reference to the drawings and specific examples, but the embodiments of the invention are not limited thereto.

As shown in fig. 2, a temperature detection device for detecting the temperature of a PPTC chip in a high-voltage overcurrent at multiple points, which comprises a high-voltage overcurrent device 11, a high-voltage PPTC chip 3, a display 1 and a temperature sensing counter 2, wherein a plurality of thermocouples capable of sensing the temperature of the high-voltage PPTC chip 3 at multiple points in multiple directions are arranged on the high-voltage PPTC chip 3 at intervals, the other end of each thermocouple is connected with the temperature sensing counter 2, the temperature sensing counter 2 monitors the temperature of the high-voltage PPTC chip in multiple points in multiple directions, and the display 1 is electrically connected with the temperature sensing counter 2. PPTC is called a high polymer positive temperature coefficient thermistor, and is called a self-recovery fuse for short. The utility model discloses a temperature-detecting device can the multi-point diversified temperature variation of monitoring high-pressure PPTC chip in the high pressure overflows the notch, just judges each direction temperature developments through the display to prevent in advance that high-pressure PPTC chip burns out, reduce danger.

Preferably, the upper end of the high-voltage overcurrent equipment 11 is provided with a high-voltage overcurrent device notch 4, and the anode and the cathode of the high-voltage PPTC chip 3 are inserted in the high-voltage overcurrent device notch 4.

Preferably, the number of the thermocouples is six, namely a first thermocouple 5, a second thermocouple 6, a third thermocouple 7, a fourth thermocouple 8, a fifth thermocouple 9 and a sixth thermocouple 10, and the six thermocouples are arranged in two rows at equal intervals.

Preferably, six thermocouples simultaneously sense the temperature of each point of the high-voltage PPTC chip 3 and send sensed temperature information to the temperature sensing counter 2, and a temperature signal received by the temperature sensing counter 2 is displayed on the display 1.

Preferably, electrode plugging hole sites (not shown) for plugging the positive electrode and the negative electrode of the high-voltage PPTC chip 3 are arranged in the notch 4 of the high-voltage overcurrent device.

The utility model discloses a high pressure overflows detection device and adopts the all-round cover of many thermocouples on high-pressure PPTC chip to through the record of temperature-sensing counter, the dynamic temperature that finally shows on the display. However, static temperature data in one direction can only be detected by a single temperature detector, multi-direction detection temperature is safer than single detection temperature in the high-voltage overcurrent device, and in addition, dynamic temperature recording is more beneficial to data collection and analysis of scientific research personnel than static temperature.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and structures of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The temperature detection device for detecting the temperature of the PPTC chip in the high-voltage overcurrent at multiple points comprises high-voltage overcurrent equipment, a high-voltage PPTC chip, a display and a temperature sensing counter, and is characterized in that a plurality of thermocouples which can sense the temperature of the high-voltage PPTC chip in multiple points and multiple directions in real time are arranged on the high-voltage PPTC chip at intervals, the other end of each thermocouple is connected with the temperature sensing counter, the temperature sensing counter carries out multi-point and multiple-direction real-time monitoring on the temperature of the high-voltage PPTC chip, and the display is electrically connected with the temperature sensing counter.

2. The temperature detection device for multipoint temperature detection of the PPTC chip during high-voltage overcurrent according to claim 1, wherein a high-voltage overcurrent device slot is formed at an upper end of the high-voltage overcurrent device, and an anode and a cathode of the high-voltage PPTC chip are inserted into the high-voltage overcurrent device slot.

3. The temperature detection device for multipoint detection of the temperature of a PPTC chip in high voltage overcurrent as claimed in claim 2, wherein the number of the thermocouples is six, and the six thermocouples are respectively a first thermocouple, a second thermocouple, a third thermocouple, a fourth thermocouple, a fifth thermocouple and a sixth thermocouple, and the six thermocouples are divided into two rows and are arranged at equal intervals.

4. The temperature detection device for multipoint detection of the temperature of the PPTC chip during high voltage overcurrent as recited in claim 3, wherein six of said thermocouples simultaneously sense the temperature of each point of the high voltage PPTC chip and transmit the sensed temperature information to said temperature sensing counter, and the temperature signal received by the temperature sensing counter is displayed on the display.

5. The temperature detection device for multipoint detection of the temperature of the PPTC chip in the high-voltage overcurrent as claimed in claim 4, wherein electrode insertion holes for inserting the positive electrode and the negative electrode of the high-voltage PPTC chip are arranged in the notch of the high-voltage overcurrent device.