JPS62187226A - Temperature detector for air-conditioning - Google Patents

Abstract

PURPOSE:To correctly detect room temperature by generating an ion wind in the direction of a counter electrode plate from the neighborhood of a discharge electrode. CONSTITUTION:When the high voltage is applied between the discharge electrode 5 and the counter electrode plate 6 from a power source 7, an electric field is concentrated on the discharge electrode 5 and the corona discharge takes place. Then, a large quantity of ion is generated close to the discharge electrode 5 in accordance with the corona discharge and both the ion and a neutral molecule are moved in the direction of the counter electrode plate 6 to generate the ion wind. In other words, the room air is inhaled into a detector from an inlet port 9 of a cover 3 by the ion wind and is charged from a discharge port 10 passing through a temperature sensor 2 via the counter electrode plate 6 in the arrow W and V direction. In this way, as long as the high voltage is applied between the discharge electrode 5 and the counter electrode plate 6, the room air is continuously sent into the detector. Accordingly, the fresh room air is always passed through the inside of the detector and the temperature sensor 2 can detect the room temperature correctly with a minimum time lag.

Description

[Detailed Description of the Invention] The present invention relates to a temperature detector for the interior space of a building, and in particular to a temperature detector for air conditioning used to detect the temperature of an air conditioner (hereinafter referred to as "air conditioning J") inside a building. Regarding temperature detectors.

[Etachiura] An example of a conventional indoor temperature detector for air conditioning is shown in FIG. 2. A temperature sensor 2 is fixed to a pedestal 1, and a cover 3 is attached to the pedestal 1 so as to cover the temperature sensor 2. One ventilation hole and four holes are bored in the cover 3. This detector is used as a temperature detector for air conditioning in a building by attaching its pedestal l to an indoor wall or pillar.

During use, the temperature sensor 2 detects the temperature of the free airflow in the room passing through the inside of the cover 3 through the first ventilation hole 4.

In this conventional temperature sensor, the indoor air circulation into the temperature sensor is obstructed by the cover 3 necessary for hiding and protecting the internal instruments and parts, and the output of the temperature sensor 2 faithfully reflects the indoor temperature. The disadvantages that cannot be avoided are unavoidable.

In order to solve this drawback, it has been considered to forcefully blow indoor air toward the temperature sensor 2, and it is also being considered to provide a small electric blower inside the temperature sensor. However, the use of small-sized "heart-beating fans" not only increases cost, increases size, and reduces durability, but also is unsuitable for use in quiet rooms because it is undesirable in terms of design, and becomes a source of noise. This was achieved only with air conditioning equipment.

1 goes east Therefore, the problem to be solved by the present invention is as follows.

This is to reduce the size and noise of forced air blowing means in temperature detectors for air conditioning.

Referring to FIG. 1, in the temperature sensor for air conditioning according to the present invention, a discharge electrode 5 and a counter electrode plate 6 are disposed facing each other on a pedestal l, and a corona discharge is generated. From the power supply 7, a high voltage sufficient to
1 is applied between the discharge electrode 5 and the counter electrode plate 6 through the wire 8, and the L number electrode 5 is connected to the counter electrode plate 6! ! Temperature sensor 2 is placed at ah. Preferably, the discharge electrode 5 is made linear to facilitate the generation of corona discharge.

A high voltage sufficient to generate a corona discharge in the temperature sensor for air conditioning of the present invention is, for example, about e, ooo v or more.

Preferably, the temperature sensor 2 . The discharge electrode 5 and the return electrode plate 6 are covered.

1 circle The operation of the air conditioning temperature sensor shown in FIG. 1 will be explained.

Electric! When a high voltage is applied from IX7 between the discharge electrode 5 and the return electrode 6, since the shapes of the two are significantly different, an equal electric field of +/- is generated between them, and an electric field is generated between the discharge electrode 5, which is not plate-shaped. The field concentrates and a corona discharge occurs. Preferably, the discharge electrode 5 is formed of a single 1H metal wire to increase the upward slope of its surface so that corona discharge can easily occur. Also,
Although the polarity of the high voltage is preferably negative with respect to the discharge electrode 5 with respect to the counter electrode plate 6, the present invention is not limited to this polarity.

A large amount of ions are generated near the discharge electrode 5 as a result of the corona discharge, and these ions move toward the counter electrode plate 6 by the action of the L electric field. The moving ions collide with neutral molecules in the air and impart pressure energy from the ions to the neutral molecules. As a result, both ions and neutral molecules move towards the return electrode plate 6, generating an ionic wind.An important feature of the temperature sensor according to the present invention is the utilization of this ionic wind.

That is, indoor air is sucked into the temperature sensor by the ionic wind through the suction port 9 of the cover 3 as shown by the arrow ■ in FIG. 2 and is discharged from the discharge port 10 as shown by arrow V. In this way, as long as a high voltage is applied between the discharge electrode 5 and the return electrode plate 6, room air is constantly and continuously sent into the temperature sensor. Therefore, the air inside the temperature sensor does not stay inside the cover 3, fresh indoor air always passes through the temperature sensor, and the temperature sensor 2 can correctly detect the indoor temperature with the minimum time delay. .

EMBODIMENT OF THE INVENTION FIG. 3 shows another embodiment of the invention. In this example,
The temperature sensor 2 is placed in a position facing the suction port 9 of the cover 3. A counter electrode plate 6 is fixed to a pedestal l so as to face the temperature sensor 2, and a discharge electrode 5 is disposed between the temperature sensor 2 and the counter electrode plate 6. A high voltage is applied between the discharge electrode 5 and the counter electrode plate 6 from a power source 7 through an electric wire 8. In addition, discharge ports 10 are bored at both the upper and lower ends of the cover 3, and the 2i-if! electrode plate 6 is shifted in the direction of these discharge ports 10. Consists of minutes.

During operation, indoor air is drawn in through the suction port 9 as shown by arrow I due to the ion wind generated by the corona discharge, and immediately contacts the temperature sensor 2. The inhaled air is
It is directed toward the counter electrode plate 6 as shown by the arrow W, and is further discharged from the discharge port IO as shown by the arrow V.

The present invention is not limited to the above-mentioned embodiments, and various modifications are possible.For example, the return electrode plate 6 in FIG. It goes without saying that if the temperature sensor 2 is purchased as a humidity sensor, it becomes a humidity detector.

&JJυ也釆As explained above, since the temperature detector for air conditioning according to the present invention uses a wind blowing means that utilizes ion wind, it has the following effects.

(a) Since forced ventilation is used, temperature detection is performed sensitively without any time delay, and the ambient temperature can be detected accurately at all times.

(b) Because forced air is used without using an electric blower,
It is noiseless and can be installed in a bedroom or quiet room without any problems.

(c) Since there is no electric blower, there are fewer failures, the temperature detector can be made smaller, and there are fewer restrictions on design.

[Brief explanation of drawings]

FIG. 1 is a schematic sectional view showing the structure of the present invention, FIG. 2 is a sectional view of a conventional example, and FIG. 3 is a sectional view of another embodiment. l...Pedestal, 2...Temperature sensor, 3...
Cover, 4...Vent, 5...Discharge electrode, 6
... Return electrode plate, 7... Power supply, 8... Electric wire, 9.
... Suction■, 10...Discharge port. Patent applicant: Kajima Corporation Patent application agent: Patent attorney: Ichitorei Tsugube Figure 1

Claims (1)

[Claims] A discharge electrode and a return electrode arranged opposite each other, a power source that applies a high voltage sufficient to generate corona discharge between the discharge electrode and the return electrode, and a temperature sensor arranged on a line connecting the discharge electrode and the return electrode. Temperature detector for air conditioning.