CN212134924U - Testing device for motor thermal protector - Google Patents
Testing device for motor thermal protector Download PDFInfo
- Publication number
- CN212134924U CN212134924U CN202020611990.3U CN202020611990U CN212134924U CN 212134924 U CN212134924 U CN 212134924U CN 202020611990 U CN202020611990 U CN 202020611990U CN 212134924 U CN212134924 U CN 212134924U
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- thermal protector
- circuit
- motor
- power supply
- control device
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Abstract
The utility model provides a hot protector testing arrangement of motor, including temperature control device, power supply circuit and a plurality of with the parallelly connected test circuit of power supply circuit, temperature control device is used for simulating the operational environment temperature of the hot protector of motor, power supply circuit, test circuit form the series connection route through connecting circuit and the hot protector of motor that awaits measuring. The utility model discloses a temperature control device simulation motor thermal protector operational environment temperature, simple to use's test circuit replaces household electrical appliances, goes up the electricity back and heats, keeps warm, operation such as cooling to the motor thermal protector, according to the bright or go out of bulb among the test circuit and judge the break-make state of the motor thermal protector, can satisfy a plurality of, multiple product simultaneous testing, simple and easy high efficiency.
Description
Technical Field
The utility model relates to the technical field of household appliances, concretely relates to hot protector testing arrangement of motor.
Background
In order to ensure the safe use of part of household appliances, a thermal protector is generally installed in the household appliances, when the appliances are in an abnormal working state, the current is increased, the temperature is increased, and when the temperature exceeds the temperature set value of the thermal protector, the thermal protector can automatically open a circuit to protect the appliances, and when the devices are cooled to the safe temperature, contacts can be automatically closed. The thermal protector has the overcurrent protection function at the same time: when the circuit is short-circuited or the motor is locked, the thermal effect is generated on the bimetallic strip due to the rapid increase of the current, so that the thermal sensing strip can rapidly cut off the current contact point by utilizing the torque principle.
Whether the motor thermal protector is in a normal state or not is very important for the safety of the electric appliance, but in the prior art, a simple and efficient means for testing whether the motor thermal protector can work normally or not before installation is lacked.
SUMMERY OF THE UTILITY MODEL
In order to solve prior art down, lack simple and easy efficient means and test whether motor thermal protector can normally work before the installation, need provide a motor thermal protector testing arrangement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a motor thermal protector testing arrangement, including temperature control device, power supply circuit and a plurality of with the parallelly connected test circuit of power supply circuit, temperature control device is used for simulating the operational environment temperature of motor thermal protector, power supply circuit, test circuit pass through connecting circuit and the motor thermal protector that awaits measuring and form the series connection route.
Preferably, the temperature control device adopts an electric heating constant temperature blast box.
Preferably, the test circuit is provided with a socket connector and a light bulb.
According to the above technical scheme, the utility model discloses a heating device simulation electrical apparatus operational environment will await measuring the product connection bulb, goes up the on-off state that the hot protector of motor is judged according to the bright or going out of bulb to the electricity back, can satisfy a plurality of, multiple product simultaneous testing, and is simple and easy high-efficient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a temperature control device; 2. a power supply circuit; 3. a test circuit; 31. a connector assembly; 32. a bulb; 4. and connecting the circuit.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The testing device for the motor thermal protector shown in fig. 1 comprises a temperature control device 1, a power circuit 2 and a plurality of testing circuits 3 connected with the power circuit in parallel, wherein the temperature control device is used for simulating the working environment temperature of the motor thermal protector, and the power circuit and the testing circuits form a series connection path with the motor thermal protector to be tested through a connecting circuit 4.
This preferred embodiment temperature control device 1 adopts electric heat constant temperature bellows, and the device is stable, can adjust by oneself according to the demand, and is easy and simple to handle, and capacious, can hold many motor heat protector simultaneous tests simultaneously, can heat, keep warm, the cooling operation to the motor heat protector that awaits measuring for simulate out the high temperature environment of electrical apparatus unusual work, can rapid cooling simultaneously, reduce test time.
In the preferred embodiment, the testing circuit 3 is provided with a connector 31 and a bulb 32, and after the testing device is powered on, the working temperature of the motor thermal protector is changed, and whether the motor thermal protector can work normally can be judged by turning on or turning off the bulb.
Specifically, the power circuit 2 comprises a power supply, a main switch, a first public connector and a second public connector, wherein the first public connector and the second public connector are arranged at two ends of the power circuit; one end of the test circuit 3 is connected with the public connector II; the connecting circuit includes the connecting terminal at wire, wire both ends and is used for the parcel the insulating cover of wire for guarantee that the wire is insulating and high temperature resistant, connecting circuit 4 includes connecting circuit one and connecting circuit two, the one end of connecting circuit one is used for connecting the motor thermal protector that awaits measuring, the other end with common joint one is connected, the one end of connecting circuit two is used for connecting the motor thermal protector that awaits measuring, the other end with test circuit's the other end is connected.
In a specific test, under the condition that all test circuits 3 can work normally, a power supply circuit 2 and the test circuits form a series circuit with a motor thermal protector to be tested through a connecting circuit 4, then a power supply main switch is switched on, the whole circuit is switched on, if a bulb in one test circuit is not lightened, the motor thermal protector in the same loop is unqualified, and a connector in the test circuit is disconnected; if the bulbs in the test circuits are normally lighted, the power supply of the temperature control device is switched on, the temperatures of the electric heating constant-temperature blast box and the motor thermal protector are set, the electric heating constant-temperature blast box is used for heating the tested motor thermal protector and preserving the heat for a period of time, if the bulbs in one test circuit are still lighted under continuous high temperature, the motor thermal protector in the same loop is unqualified, and the socket connector in the test circuit is disconnected; and then the temperature is rapidly reduced through the electric heating constant-temperature blast box, and if the bulb in the test loop is lightened again, the motor thermal protector in the same loop is a qualified product.
The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (3)
1. The utility model provides a motor thermal protector testing arrangement, its characterized in that, including temperature control device (1), power supply circuit (2) and a plurality of with power supply circuit parallel test circuit (3), temperature control device is used for simulating motor thermal protector's operational environment temperature, power supply circuit, test circuit form the series connection route through connecting circuit (4) and the motor thermal protector that awaits measuring.
2. A testing device of a thermal protector of an electric motor according to claim 1, characterized in that the temperature control device (1) adopts an electric heating constant temperature blast box.
3. A testing device for a thermal protector of an electric motor according to claim 1, characterized in that the testing circuit (3) is provided with a connector (31) and a bulb (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611990.3U CN212134924U (en) | 2020-04-20 | 2020-04-20 | Testing device for motor thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611990.3U CN212134924U (en) | 2020-04-20 | 2020-04-20 | Testing device for motor thermal protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212134924U true CN212134924U (en) | 2020-12-11 |
Family
ID=73688725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020611990.3U Active CN212134924U (en) | 2020-04-20 | 2020-04-20 | Testing device for motor thermal protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212134924U (en) |
-
2020
- 2020-04-20 CN CN202020611990.3U patent/CN212134924U/en active Active
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