JP2959064B2 - Heating device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a warming device such as an electric carpet.

2. Description of the Related Art A conventional electric carpet will be described as an example.

As shown in FIG. 9, at the start of energization of the electric carpet, control is performed by changing the set temperature higher for a certain period of time from the start of energization even if the temperature is low, in order to improve the rise of the carpet body. Such control is called strong start control.

The strong start control is effective when the temperature of the carpet body is low. However, if the strong start control is performed when the body is warm, such as when re-energizing, the body temperature becomes too high and it is difficult to use because the body feels hot. For this reason, the main body temperature at the start of energization is detected, and the strong start control is performed only when the main body temperature is low. When a plurality of heating means and a plurality of temperature detecting means are used and the heating surfaces are switched and used, control is performed by judging the presence or absence of an independent strong start on each surface.

Problems to be Solved by the Invention However, in the above configuration, when the determination of the strong start start is performed independently on each of a plurality of surfaces, for example, as shown in FIG. When switching, the surface that was used remains at the conventional temperature, the surface that has not been used until now has a strong start, the temperature rises for a certain time, the temperature difference between both sides increases, and there is a sense of discomfort when using Had a disadvantage.

The present invention solves the above-described problems, and when switching from one side to the entire surface using an electric carpet, has no effect on the previously used surface, and has an easy-to-use heating device without a temperature difference between a plurality of surfaces. It is about.

Means for Solving the Problems A plurality of heating means, a plurality of temperature detecting means for detecting the temperature of the plurality of heating means, and a heating switching means for individually selecting permission / non-conduction of the plurality of heating means. A plurality of temperature control means for controlling the plurality of heating means selected to be energized by the heating switching means to a set predetermined temperature; and a temperature setting means for setting a control temperature of the plurality of temperature control means. At the start of energization of the heating unit selected to be energized by the heating switching unit, a plurality of judging units determine that the temperatures of the plurality of heating units selected to be energized by the heating switching unit are equal to or lower than a determination temperature. The setting of the temperature setting unit is fixed based on a signal of a temperature judgment unit and a logic judgment unit that outputs a signal corresponding to a combination of the judgment results by the plurality of temperature judgment units. Temperature setting changing means for changing the time, wherein the logic judging means outputs a signal to the temperature setting changing means when all the temperature judging means corresponding to the heating means for which energization is permitted judges that the temperature is equal to or lower than a certain temperature. Things.

Function The present invention, by the above configuration, when energized on one side and switched to the entire surface halfway, determine the temperature of the plurality of temperature detection means, when all are below a certain temperature, by performing strong start control, The effect on the surface to which the current has been applied is reduced.

Embodiment 1 Hereinafter, a first embodiment of the present invention will be described with reference to FIG. 1 and FIG. In FIG. 2, reference numeral 1 denotes a main body of the electric carpet, to which a controller 6 for controlling the electric carpet is connected. 2 is a first heating means, 3 is a first temperature detecting means for detecting the temperature of the first heating means, 4 is a second heating means, 5 is a second temperature detecting means for detecting the temperature of the second heating means. Temperature detecting means. In FIG. 1, 2 is a first heating means, 3 is a first temperature detecting means for detecting the temperature of the first heating means, 4 is a second heating means, and 5 is a second heating means. A second temperature detecting means 6 for detecting the temperature is a controller. Reference numeral 7 denotes first temperature determining means for determining the temperature of the first temperature detecting means, 8 denotes second temperature determining means for determining the temperature of the second temperature detecting means, and 9 controls the first heating means. First temperature control means, 10 is second temperature control means for controlling the second heating means, 11 is temperature detection means, 12 is logic judgment means, 13 is temperature setting change means, and 14 is heating switching means. .

The starting conditions for a strong start are as follows. The time when all of the plurality of temperature determination means output below a certain temperature is called logical product. A time when any one of the plurality of temperature determination means outputs a temperature equal to or lower than a certain temperature is referred to as a logical sum.

The start condition of the strong start is a logical product. One-sided energization is performed only by the first heating means. When the temperature of the first temperature detecting means is higher than the determination temperature of the strong start start and is stable, The operation in the case where the entire heating is started by adding the second heating means will be described. This is the timing indicated by the symbol t in FIG.

Since the temperature of the first temperature detection means 3 is higher than the determination temperature of the start of the strong start, the first temperature determination means 7 outputs a signal of no strong start.

The temperature of the second temperature detecting means 5 is low because the current has not been supplied, and the second temperature determining means 8 outputs a strong start signal. The logic judging means 12 judges the logical product of the signals of the first and second temperature judging means 7 and 8, and outputs to the temperature setting changing means 13 a signal for not performing the strong start. As shown in the operating characteristics in FIG. 3, it is advantageous that the temperature of the first surface is not affected when the surface is switched.

Next, the start condition of the strong start is a logical product, and the single-sided energization is performed only by the first heating means.
When the temperature of the temperature detecting means is higher than the determination temperature of the start of strong start, the operation in the case where the second heating means is added halfway to start energization over the entire surface will be described.

Since the temperature of the first temperature detection means 3 is higher than the determination temperature of the start of the strong start, the first temperature determination means 7 outputs a signal of no strong start. The temperature of the second temperature detecting means 5 is lower than the strong start determination temperature because the current has not been supplied, and the second temperature determining means 8 outputs a strong start signal. The logic determination means 12 includes first and second
The logical product of the signals from the temperature determination means 7 and 8 is determined, and a signal for not performing a strong start is output to the temperature setting change means 13.

As shown in FIG. 4, the operation characteristic is disadvantageous in that the rising of the first surface is slow.

Hereinafter, a second embodiment of the present invention will be described. The start condition of the strong start is a logical sum, and the single-sided energization is performed only by the first heating means. When the temperature of the first temperature detection means is higher than the determination temperature of the start of the strong start, the second start is performed. The operation in the case where the heating unit is added and the entire energization is started will be described.

Since the temperature of the first temperature detection means 3 is higher than the determination temperature of the start of the strong start, the first temperature determination means 7 outputs a signal of no strong start.

The temperature of the second temperature detecting means 5 is low because the current has not been supplied, and the second temperature determining means 8 outputs a strong start signal. The logic determining means 12 determines the logical sum of the signals of the first and second temperature determining means 7 and 8, and outputs a signal for performing a strong start to the temperature setting changing means 13. The temperature setting changing means 13 performs a strong start operation by increasing the setting of the temperature setting means 11 for a certain period of time. A disadvantage is that the first surface is affected, as shown in the operating characteristics in FIG.

Next, the start condition of the strong start is a logical sum, one-sided energization is performed only by the first heating means, and when the temperature of the first temperature detection means is higher than the determination temperature of the start of the strong start, the second heating is performed halfway. The operation in a case where the means is added and the entire energization is started will be described.

Since the temperature of the first temperature detection means 3 is higher than the determination temperature of the start of the strong start, the first temperature determination means 7 outputs a signal of no strong start. The temperature of the second temperature detecting means 5 is lower than the strong start determination temperature because the current has not been supplied, and the second temperature determining means 8 outputs a strong start signal. The logic determination means 11 includes first and second
Of the signals from the temperature determining means 7 and 8 and outputs a signal for performing a strong start to the temperature setting changing means 13. The temperature setting changing means 13 performs a strong start operation by increasing the setting of the temperature setting means 11 for a certain period of time. As shown in the operating characteristics in FIG. 6, the advantage is that the rising is good.

Hereinafter, a third embodiment of the present invention will be described with reference to the drawings. The basic structure is the same as that of the first embodiment, except that the determination temperature changing means 15 for changing the determination temperature of the strong start start.
And determination logic switching means 16 for changing the determination logic according to the determination temperature.

The operation of the above configuration will be described. In the first and second embodiments, different examples have been described for the logical sum and the logical product in the decision logic. However, each of them has merits and demerits, and the usability can be improved by combining both merits. . That is, when the determination temperature is high, it is desirable not to affect the surface that is higher than the strong start determination temperature. On the other hand, when the determination temperature is low, the influence on the surface higher than the strong start determination temperature is small. Rather, since it is desirable to give a strong start and give priority to the rise, it is desirable that the determination logic be determined by OR.

When the judgment temperature is increased by the judgment temperature changing means 15, the start condition of the strong start is ANDed by the output of the judgment logic switching means 16. One-sided energization only with the first heating means,
The operation in the case where the second heating means is added halfway and the entire energization is started when the temperature of the first temperature detecting means is higher than the determination temperature of the strong start start will be described.

Since the temperature of the first temperature detection means 3 is higher than the determination temperature of the start of the strong start, the first temperature determination means 7 outputs a signal of no strong start.

The temperature of the second temperature detecting means 5 is low because the current has not been supplied, and the second temperature determining means 8 outputs a strong start signal. The logic judging means 12 judges the logical sum of the signals of the first and second temperature judging means 7 and 8, and outputs a signal for not performing the strong start to the temperature setting changing means 13. As shown in the operating characteristics in FIG. 3, it is advantageous that the temperature of the first surface is not affected when the surface is switched. This is to eliminate the disadvantages shown in the operation characteristics of FIG.

Next, when the judgment temperature is lowered by the judgment temperature changing means 15, the start condition of the strong start is ORed by the judgment logic switching means 16. One-sided energization is performed only by the first heating unit, and when the temperature of the first temperature detection unit is higher than the determination temperature of the start of strong start, the second heating unit is added halfway to start energization over the entire surface. The operation in the case of the above will be described.

Since the temperature of the first temperature detection means 3 is higher than the determination temperature of the start of the strong start, the first temperature determination means 7 outputs a signal of no strong start.

The temperature of the second temperature detecting means 4 is low because the current has not been supplied, and the second temperature determining means 8 outputs a strong start signal. The logic judging means 12 judges the logical product of the signals of the first and second temperature judging means 7 and 8, and outputs a signal for performing a strong start to the temperature setting changing means 13. The temperature setting changing means 13 performs a strong start operation by increasing the setting of the temperature setting means 11 for a certain period of time. When the judgment temperature is low, it is advantageous to make a strong start to improve the start. It is effective to change the determination temperature according to conditions such as the size of the carpet and room temperature.

Effects of the Invention As described above, according to the warming device of the present invention, the following effects can be obtained.

In the logical product judgment, a strong start is performed when the temperature of both sides is low. This is effective for switching when the determination temperature is high, with priority given to the set temperature, which has little effect on the current-carrying surface when switching from the half surface to the entire surface.

The logical sum determination makes a strong start when one of the temperatures is low. When switching from half surface to full surface in the middle of rising, secure the surface that had been energized until then. It is suitable for large-scale, slow-response, immediate-heat-priority, which is set at a low judgment temperature with a rise priority.

[Brief description of the drawings]

FIG. 1 is a block diagram of a warming device according to a first embodiment of the present invention, FIG. 2 is a configuration diagram of the warming device, FIGS. 3 to 6 are operating characteristic diagrams thereof, and FIG. FIG. 8 is a block diagram of a warming device of a second embodiment, FIG. 8 is a block diagram of a conventional warming device,
9 to 10 are operating characteristic diagrams of the heating device. 1... Body of electric carpet, 2... First heating means,
3 ... first temperature detecting means, 4 ... second heating means, 5
... second temperature detecting means, 6 ... controller, 7 ... first temperature determining means, 8 ... second temperature determining means, 9 ... first
Temperature control means, 10 second temperature control means, 11 temperature setting means, 12 logic determination means, 13 temperature setting change means, 14 heating switching means, 15 determination temperature change Means 16, decision logic switching means.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Masafumi Hashimoto 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-62-172116 (JP, A) JP-A-3-3 213916 (JP, A) JP-A-2-64718 (JP, A) JP-A-1-60493 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) F24D 13/02 H05B 3 / 00 370

Claims (3)

(57) [Claims] 1. A plurality of heating means, a plurality of temperature detecting means for detecting a temperature of the plurality of heating means, a heating switching means for individually selecting energization / non-energization permission to the plurality of heating means, A plurality of temperature control means for controlling the plurality of heating means selected to be energized by the heating switching means to a set predetermined temperature; a temperature setting means for setting a control temperature of the plurality of temperature control means; At the start of energization of the heating means selected to be energized by the heating switching means,
A plurality of temperature determining means for determining that the temperatures of the plurality of heating means for which energization is selected by the heating switching means are equal to or lower than a determination temperature; and a signal corresponding to a combination of determination results by the plurality of temperature determining means. Temperature setting change means for changing the setting of the temperature setting means for a certain period of time based on a signal of the logic judgment means for outputting the temperature judgment means. A signal is output to the temperature setting change means when it is determined that the temperature is equal to or lower than a certain temperature. 2. A plurality of heating means, a plurality of temperature detecting means for detecting a temperature of the plurality of heating means, a heating switching means for individually selecting energization / non-energization permission to the plurality of heating means, A plurality of temperature control means for controlling the plurality of heating means selected to be energized by the heating switching means to a set predetermined temperature; a temperature setting means for setting a control temperature of the plurality of temperature control means; At the start of energization of the heating means selected to be energized by the heating switching means,
A plurality of temperature determining means for determining that the temperatures of the plurality of heating means for which energization is selected by the heating switching means are equal to or lower than a determination temperature; and a signal corresponding to a combination of determination results by the plurality of temperature determining means. Temperature setting change means for changing the setting of the temperature setting means for a certain period of time based on a signal of the logic judgment means for outputting the temperature judgment means. A warming device that outputs a signal to the temperature setting change unit when at least one of the temperatures is determined to be equal to or lower than a certain temperature. 3. A combination of a judgment temperature changing means for changing a judgment temperature value judged by the temperature judgment means and a judgment result by the temperature judgment means when a logic judgment means outputs a signal in accordance with the changed judgment temperature. The heating device according to claim 1 or 2, further comprising a determination logic switching unit that switches logic.