CN211293114U - Thermal protector life detection device - Google Patents
Thermal protector life detection device Download PDFInfo
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- CN211293114U CN211293114U CN201922125214.2U CN201922125214U CN211293114U CN 211293114 U CN211293114 U CN 211293114U CN 201922125214 U CN201922125214 U CN 201922125214U CN 211293114 U CN211293114 U CN 211293114U
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- protector
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- thermal protector
- heating wire
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Abstract
The utility model discloses a hot protector life-span detection device, including base, control box and hot protector mount pad, be provided with counter and starting switch on the control box, be provided with hot-blast rifle on the base, hot-blast rifle includes dryer, fan and heating wire, the fan reaches the heating wire set up in the dryer, the heating wire with the counter starting switch hot protector and first power are established ties, the second power is connected to the fan, the air outlet of dryer is aimed at the hot protector mount pad. The service life detection device for the thermal protector can quickly raise and lower the temperature of the thermal protector, and improves the detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of hot protector check out test set, specifically a hot protector life-span detection device.
Background
The thermal protector is an electric element for controlling current to be disconnected when a certain temperature is reached, and comprises two different alloys which are attached together and can generate heat after current passes through. After the thermal protector is produced, in order to detect the service life of the thermal protector, the thermal protector needs to be heated and cooled again without stop to record the power-on and power-off times of the thermal protector, so as to achieve the purpose of detecting the service life of the thermal protector, in the prior art, the service life detection device comprises a power supply, a counter and an electric heating wire, a series circuit is formed after the thermal protector is connected into the circuit, the electric heating wire is used for heating and transferring heat to the thermal protector, when the high temperature of the thermal protector is reached, the circuit is disconnected, the circuit is closed after the temperature is reduced, the counter records the power-on and power-off times, the continuous power-on and power-off are carried out until the thermal protector is not effective any more or reaches the specified times to complete the detection, the cooling speed of.
Disclosure of Invention
The utility model discloses it is not enough to prior art, provide a hot protector life-span detection device, this kind of hot protector life-span detection device can be quick carry out temperature rise and cooling to hot protector, improve detection efficiency.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a hot protector life-span detection device, includes base, control box and hot protector mount pad, be provided with counter and starting switch on the control box, be provided with hot-blast rifle on the base, hot-blast rifle includes dryer, fan and heating wire, the fan reaches the heating wire set up in the dryer, the heating wire with the counter the starting switch hot protector and first power are established ties, the second power is connected to the fan, the air outlet of dryer is aimed at the hot protector mount pad. This kind of hot protector life-span detection device is when opening, at first hot protector is in the on-state, the heating wire heating, hot-blast rifle blows hot-blast heating to hot protector, when heating to the disconnection temperature of settlement, hot protector opens circuit promptly the circuit disconnection of heating wire in the hot-blast rifle, counter +1, the heating wire stop heating, the fan continues to blow cold wind with higher speed hot protector cooling, when hot protector reduces to the intercommunication temperature, hot protector on-line circuit continues the switch-on, the heating wire continues to begin to heat, hot-blast rifle blows off hot-blast again, so circulation. The service life detection device for the thermal protector can quickly raise and lower the temperature of the thermal protector, and improves the detection efficiency.
In the above technical scheme, preferably, a transfer connecting base is arranged on the base, at least two metal conducting strips are arranged on the transfer connecting base, and the metal conducting strips are connected with the circuit inside the control box and the thermal protector. The structure is adopted to facilitate the wiring of the thermal protector.
In the above technical solution, preferably, the control box is further provided with an ammeter, and the ammeter is connected in series with the thermal protector. By adopting the structure, the current value can be observed, and the control is convenient.
In the above technical solution, preferably, the control box is further provided with a voltmeter, and the ammeter is connected in parallel with the thermal protector. By adopting the structure, the voltage value of the thermal protector can be observed, and the control is convenient.
In the above technical solution, preferably, the thermal protector mounting base is provided with two through-insertion holes into which the thermal protector pins are inserted. By adopting the structure, the thermal protector can be fixed after connecting the wires by only inserting the pins of the thermal protector into the two through holes.
In the above technical scheme, preferably, the thermal protector mounting base is provided with two spring plates for positioning the thermal protector. Adopt this structure can pass through the convenient fixed hot protector of shell fragment.
Compared with the prior art, the utility model, following beneficial effect has: this kind of hot protector life-span detection device is when opening, at first hot protector is in the on-state, the heating wire heating, hot-blast rifle blows hot-blast heating to hot protector, when heating to the disconnection temperature of settlement, hot protector opens circuit promptly the circuit disconnection of heating wire in the hot-blast rifle, counter +1, the heating wire stop heating, the fan continues to blow cold wind with higher speed hot protector cooling, when hot protector reduces to the intercommunication temperature, hot protector on-line circuit continues the switch-on, the heating wire continues to begin to heat, hot-blast rifle blows off hot-blast again, so circulation. The service life detection device for the thermal protector can quickly raise and lower the temperature of the thermal protector, and improves the detection efficiency.
Drawings
Fig. 1 is a schematic top view of an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of the embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1-2, a thermal protector life-span detection device, including base 1, control box 2 and thermal protector mount pad 3, be provided with counter 4 on the control box 2, starting switch 5, ampere meter 9 and voltmeter 10, be provided with hot-blast rifle 6 on the base 1, hot-blast rifle 6 includes the dryer, fan and heating wire set up in the dryer, heating wire and counter 4, starting switch 5, ampere meter 9, thermal protector 7 and first power are established ties, voltmeter 10 is parallelly connected with thermal protector 7, the second power is connected to the fan, the air outlet of dryer aligns thermal protector mount pad 3.
Be provided with transfer connecting seat 8 on the base 1, be provided with two metal conducting strips 81 on the transfer connecting seat 8, metal conducting strip 81 connection control box 2 internal circuit and thermal protector 7.
The thermal protector mounting base 3 is provided with two through insertion holes 31 for inserting the pins of the thermal protector 7, and the thermal protector mounting base 3 is provided with two elastic sheets 32 for positioning the thermal protector 7.
When the life test is to be performed, the pins of the thermal protector 7 are first inserted into the two through-holes 31 of the thermal protector mounting base 3, and the thermal protector 7 is clamped by the two elastic pieces 32, then the two pins of the thermal protector 7 and the two conductive metal sheets are correspondingly connected one by one through leads, then the starting switch 5 is started, the thermal protector 7 is in the connection state at first, the electric heating wire is heated, the hot air gun 6 blows hot air to the thermal protector 7 for heating, when the heating is carried out to the set disconnection temperature, the thermal protector 7 is disconnected, namely the circuit of the heating wire in the hot air gun is disconnected, the counter +1 is carried out, the heating wire stops heating, the fan continues blowing cold air to accelerate the temperature of the thermal protector 7 to be reduced, when the thermal protector 7 is lowered to the connection temperature, the circuit of the thermal protector 7 is continuously connected, the heating wire continuously starts to heat, the hot air gun 6 blows hot air again, and the process is repeated. The service life detection device for the thermal protector can quickly raise and lower the temperature of the thermal protector, and improves the detection efficiency.
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 hot protector life-span detection device, includes base (1), control box (2) and hot protector mount pad (3), be provided with counter (4) and starting switch (5) on control box (2), its characterized in that: be provided with hot-blast rifle (6) on base (1), hot-blast rifle (6) are including dryer, fan and heating wire, the fan reaches the heating wire set up in the dryer, the heating wire with counter (4) starting switch (5) hot protector (7) and first power are established ties, the fan is connected the second power, the air outlet of dryer is aimed at hot protector mount pad (3).
2. A thermal protector life detecting device as defined in claim 1, wherein: the heat protector is characterized in that a transfer connecting base (8) is arranged on the base (1), at least two metal conducting strips (81) are arranged on the transfer connecting base (8), and the metal conducting strips (81) are connected with an internal circuit of the control box (2) and the heat protector (7).
3. A thermal protector life detecting device as defined in claim 1, wherein: an ammeter (9) is further arranged on the control box (2), and the ammeter (9) is connected with the thermal protector (7) in series.
4. A thermal protector life detecting device as defined in claim 1, wherein: the control box (2) is further provided with a voltmeter (10), and the voltmeter (10) is connected with the thermal protector (7) in parallel.
5. A thermal protector life detecting device as defined in claim 1, wherein: two through insertion holes (31) for inserting the pins of the thermal protector (7) are formed in the thermal protector mounting base (3).
6. A thermal protector life detecting device as defined in claim 1 or 5, wherein: the thermal protector mounting base (3) is provided with two elastic sheets (32) for positioning the thermal protector (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922125214.2U CN211293114U (en) | 2019-12-02 | 2019-12-02 | Thermal protector life detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922125214.2U CN211293114U (en) | 2019-12-02 | 2019-12-02 | Thermal protector life detection device |
Publications (1)
Publication Number | Publication Date |
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CN211293114U true CN211293114U (en) | 2020-08-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201922125214.2U Active CN211293114U (en) | 2019-12-02 | 2019-12-02 | Thermal protector life detection device |
Country Status (1)
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CN (1) | CN211293114U (en) |
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2019
- 2019-12-02 CN CN201922125214.2U patent/CN211293114U/en active Active
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