JPS6133903Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a heating evaporator equipped with a positive temperature coefficient thermistor.

Prior art and its problems This type of heating evaporator is equipped with a heat sink on which a mat impregnated with a chemical is placed, and a positive temperature coefficient thermistor below the heat sink. The active pharmaceutical ingredient is transmitted to the transpiration mat through the evaporator, and the active pharmaceutical ingredient is evaporated. This type of evaporator is often used in insect killers such as electric spider traps because the positive temperature coefficient thermistor has the function of keeping the temperature constant based on the nonlinear change in resistance value with respect to temperature changes.

However, positive temperature coefficient thermistors have a weakness unique to semiconductors in that their performance is easily affected by dust adhesion, and in some cases, dust can cause ignition or explosion. On the other hand, heating evaporators often have a fairly long period of non-use depending on the season, as is typically seen with electric evaporators, and conventional evaporators are used in places where dust tends to accumulate, such as in the closet of a residence. It was generally stored in Therefore, when the device is used again, there is a strong possibility that the above-mentioned dust adhesion may cause performance problems, ignition, or explosion, which has been a problem.

The present invention solves the problems of the conventional technology by using a PTC thermistor with excellent performance as a heating element, making it difficult for dust to adhere during periods of non-use, and making it possible to use the PTC thermistor's unique characteristics when reusing it. An object of the present invention is to provide a heating evaporator that can reduce performance problems and the risk of fire and explosion due to dust adhesion.

Means for Solving the Problems The object of the present invention is to include a plug part, a plug socket part, a base part that connects these plug parts and the socket part, and a heating part provided on the base part. , the heating section includes a heat sink on which a chemical for heating and evaporation is placed, and a positive temperature coefficient thermistor arranged below the heat sink and configured to heat the chemical via the heat sink when energized. This is achieved by a heating evaporator characterized by comprising a switch for operating the energization of the thermistor, and a protective lid detachably provided to cover the heat sink.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 shows an example of a heating evaporator constructed in the form of a table tap. This heating evaporator has an insertion plug section 1 consisting of a plug 10 and a cord 11.
, a base part 3 coupled to a cord 11 , two plug-in receptacle parts 2 provided on the upper surface of the base part 3 and each connected to the cord 11 , and a heating part 4 provided in the base part 3 . . The heating unit 4 includes a switch 40 and a protective lid 41 that are shown in FIG. A positive temperature coefficient thermistor connected to 11 is provided. The heat sink is aluminum,
It is made of a good thermal conductor such as stainless steel or copper. The protective lid 41 is detachably attached to the base portion 3, and the switch 40 is configured to operate the energization of the positive temperature coefficient thermistor. Therefore, when performing transpiration of a chemical, remove the protective lid 41 from the base 3, place the chemical-impregnated mat on the heat sink, and insert the plug 10 into an outlet at a residence or the like, and turn on the switch 40. All you have to do is energize the characteristic thermistor. This causes the thermistor to generate heat, which is transmitted to the mat via the heat sink, and as the temperature of the mat rises, the active pharmaceutical ingredient evaporates. As the medicine used here, various conventionally used insect extermination or repellents, bactericidal flavoring agents, etc. can be employed. When the chemical is not to be evaporated, the switch 40 shuts off the power to the thermistor, and the protective lid 41 is attached. Even in this state, the heating evaporator can be used as a connector by inserting plugs for various electrical appliances such as a radio, shaving machine, electric rice cooker, etc. into the outlet 2. Therefore, even if transpiration is not performed for a long period of time, it can be used as a connector in a room, etc., so it can be avoided from being stored in a closet or other place where dust accumulates, and when reused, it will not collect dust. This reduces the risk of interference, fire, and explosion.

FIG. 2 shows another example of the heating evaporator.
In this heating evaporator, a plug 10 of a plug portion 1 is directly fixed to a base portion 3, and an outlet portion 2 has a cord 20. The base portion 3 is provided with a heating portion 4, and the heating portion 4 includes a switch 40, a protective lid 41, a heat sink 42, and a positive temperature coefficient thermistor 43, as in the previous example.

FIG. 3 shows an example of a heating evaporator in which both the plug part 1 and the outlet part 2 are provided directly on the base part 3. The base portion 3 is also provided with a heating portion 4 including a protective cover 41 and a switch (not shown), a heat sink, and a positive temperature coefficient thermistor, as in the example shown in FIG. This integrated heating evaporator has the advantage that it can be used by directly plugging it into an electrical outlet in a residence, etc., and it can also be used even when the relatively bulky base section equipped with a heating section covers other electrical outlets in parallel. , it also has the advantage of making it possible to use other electrical appliances using the outlet section 2.

Effects of the Invention As is clear from the above description, according to the present invention, it is possible to provide a heating evaporator that exhibits the following effects. In other words, this heating evaporator has a simple structure but has excellent performance in keeping the temperature constant due to the adoption of a positive temperature coefficient thermistor.Plug the plug into an outlet in your home, remove the protective cover, and place the drug-impregnated mat on it. By turning on the switch, the drug can be evaporated, but if you do not want to evaporate the drug, you can turn it off and attach the protective cover, and the outlet can be used as a connector.
Even if it is not used for a long time, it is not stored in a place where dust can accumulate, such as a closet, so it is difficult for dust to accumulate, and when reused, there is a risk of performance problems, ignition, or explosion due to dust adhesion that is unique to positive temperature coefficient thermistors. The characteristics are reduced. In addition, since it is placed in an easily accessible location as a connector, it is possible to easily energize the positive characteristic thermistor by operating a switch even when the heating section is not in use. It is advantageous for maintaining the performance of Furthermore, even while heating transpiration is being performed, the heating evaporator does not occupy the electrical outlet in a residence, etc., and the electrical outlet of the evaporator can be used to use other electrical appliances. This effect can also be obtained.

[Brief explanation of the drawing]

The figures show embodiments of the present invention; FIG. 1 is a plan view of one example, FIG. 2 is a longitudinal sectional front view of another example, and FIG. 3 is a front view of still another example. 1...Plug section, 2...Outlet section, 3...
Base part, 4... Heating part, 40... Switch, 41
...Protective lid, 42... Heat sink, 43... Positive characteristic thermistor.

Claims (1)

[Scope of utility model registration request] A plug-in plug part, a plug-in outlet part, a base part that connects these plug parts and the outlet part, and a heating part provided on the base part, and the heating part is for placing a chemical for heating transpiration. a positive temperature coefficient thermistor disposed below the heat sink and configured to heat the drug via the heat sink when energized; a switch for operating the energization to the thermistor; A heat dissipation evaporator characterized by comprising a protective lid that is detachably provided to cover a heat dissipation plate.