An anti-dry temperature sensor
A temperature sensor and anti-dry technology, which is applied in the field of thermal sensors, can solve problems such as complex connection of components, low assembly efficiency of components, and inconsistent output settings, and achieve high assembly efficiency, reduced maintenance costs, and reasonable structure.
Active Publication Date: 2016-08-24
FOSHAN CHUANDONG MAGNETOELECTRICITY
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Problems solved by technology
However, the output setting without ground wire in its structure does not meet the requirements of the IEC60335 standard. At the same time, its compact space does not have an overheat protection device, so a thermal fuse needs to be installed in another location; and the connection relationship of each component is relatively complicated, and the node connection of each component requires more connections. Solder joints, component assembly inefficiencies
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[0027] The present invention will be further described below in conjunction with the accompanying drawings.
[0028] like figure 1 As shown, an anti-dry heating temperature sensor according to the present invention includes a mounting cup 1, an aluminum cover 11 is provided on the upper port of the mounting cup 1, a micro switch 2 is arranged inside the mounting cup 1, and a micro switch 2 is arranged on the top of the micro switch 2. A thermistor is arranged on the end face, and one side of the micro switch 2 is provided with an overheating protection device, and the overheating protection device includes a mounting frame 3, and one side of the mounting frame 3 is provided with an opening, and the opening end of the mounting frame 3 is connected to the The micro switch 2 is fixedly connected, and the inner cavity of the mounting frame 3 is provided with a mounting base plate 31 horizontally, and the mounting base plate 31 is provided with a first terminal 4 and a second termi...
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The invention relates to the technical field of heat sensitive sensors, in particular to a dry-heating preventing temperature sensor. The dry-heating preventing temperature sensor comprises a mounting cup, a microswitch is arranged in the mounting cup, an overheating protection device is arranged on one side of the microswitch and comprises a mounting rack, the open end of the mounting rack is fixedly connected with the microswitch, a mounting bottom plate is transversely arranged in an inner cavity of the mounting rack, a moving plate is arranged over a first terminal and a second terminal, the fixed end of the moving plate is connected with the second terminal, and the free end of the moving plate is arranged over the first terminal. The dry-heating preventing temperature sensor is reasonable in structure, the moving plate on the overheating protection device is made of a heat-sensitive bimetallic strip material or heat-sensitive memory metal material, overheating protection of the moving plate and overcurrent protection of overhigh connection terminal temperature rise due to overlarge load can be realized, and the microswitch is matched to realize a pot-free detection and overheating outage function; the overall structural component is convenient to assemble and high in assemble efficiency, structural stability is improved, use safety is good, and maintenance cost of heating appliances is lowered.
Description
technical field [0001] The invention relates to the technical field of thermal sensors, in particular to an anti-dry burning temperature sensor. Background technique [0002] The existing electric heating appliances are generally equipped with a micro switch type anti-dry device, including a mounting cup, a micro switch and a switch supporting plate. And there is a return spring between the installation cup and the switch support plate, and the switch support plate is fixed on the installation base plate. When in use, the installation cup moves down as a whole and the micro switch is connected to the heating circuit on the installation base plate. The heating circuit is connected with a thermal component in series. , when the installation cup is released, the heating circuit is disconnected; the detection output of the temperature sensing signal is realized, and the no-pot detection is realized by setting the switch support plate in combination with the micro switch. Howeve...
Claims
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IPC IPC(8): H01H37/02H01H37/64
CPCH01H37/02H01H37/64
Inventor 刘利龙克文
Owner FOSHAN CHUANDONG MAGNETOELECTRICITY