JPH08172976A - Device for monitoring and controlling water tank - Google Patents

Abstract

PURPOSE: To obtain the water tank-monitoring and controlling device capable of monitoring the state of water in a water tank for rearing a living fish, an aquatic grass, etc., and naturally controlling the state of the water so as to approach the natural state as much as possible. CONSTITUTION: The water tank-monitoring and controlling device is provided with a temperature sensor 2 for detecting the temperature of water in a water tank, water temperature- changing means 3, 4 for heating or cooling the water in the water tank to change the temperature of the water, a timer 12 for outputting time signals, a water temperature-setting means 20 for setting water temperatures changing in a day and further setting water temperatures wherein the upper limit value and the lower limit value of the water temperatures in the day change in a year, and a water temperature controller 1 for controlling the water temperature-changing means on the basis of the time signals outputted from the timer so that the water temperature detected with the temperature sensor changes in response to the changes preliminarily set with the water temperature-setting means in a day and so that the upper limit value and the lower limit value of the changes of the water temperature in the day change in a year. The water temperature controller controls the water temperature- changing means so as to give a water temperature preliminarily set with the water temperature-setting means, and the temperature of the water in the water tank is thus monitored and controlled so that the temperature changes, while following the almost the same changes of the water tank as those of the natural environment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aquarium monitoring and control device for monitoring the state of water in an aquarium for breeding live fish, aquatic plants, etc. and automatically controlling it so that it is as close to the natural state as possible.

[0002]

2. Description of the Related Art Conventionally, for example, a water tank for cultivating live fish such as tropical fish and aquatic plants is provided with a heater and a thermostat, and when the water temperature in the water tank falls below a certain value, the heater is turned on, and when the water temperature exceeds a certain value, the heater is turned on. By turning off, the water temperature was always kept constant.

Further, conventionally, carbon dioxide has been supplied to the water tank to achieve the pH value of the water in the water tank while observing the pH meter. Also, the lamp that illuminates the aquarium is
In the past, people turned off the lights at night and turned them on during the day.

[0004]

However, despite the fact that the temperature of seawater or freshwater in the natural world changes during the day, day and night, and also during the year depending on the season, it is a heater in conventional aquariums. Since the constant water temperature is always turned on and off, it is far from the natural environment of living creatures in the natural world, and it was unsuitable for the survival of live fish and aquatic plants.

Also, the pH value of the water in the water tank is complicated because the person adjusts the carbon dioxide supply device by turning the carbon dioxide supply device on and off while the person is looking at the pH meter. Also, the lighting equipment
Since it is complicated to operate N and OFF, it is often forgotten to turn OFF and keep it on at night, which is different from the natural environment of living organisms in the natural world, making it unsuitable for growing live fish and aquatic plants. Was becoming. It is an object of the present invention to provide a water tank monitoring control device that solves such problems.

[0006]

In order to achieve the above-mentioned object, in the water tank monitoring and controlling apparatus according to claim 1 of the present invention, a temperature sensor for detecting the water temperature in the water tank, and heating or cooling the water in the water tank. Water temperature changing means for changing the water temperature, a timer that outputs a time signal, a water temperature that changes in one day, and a water temperature that the upper limit value and the lower limit value of the water temperature of the day change in one year So that the water temperature detected by the water temperature change means and the water temperature detected by the temperature sensor change with a preset change by the water temperature set means in one day, and the upper and lower limits of the water temperature change in one day in one year. It is characterized in that a water temperature control device for controlling the water temperature changing means based on a time signal from the timer is provided so that the value changes by a change preset by the water temperature setting means.

Further, in the water tank monitoring and controlling apparatus according to claim 2 of the present invention, a temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for heating or cooling the water in the water tank to change the water temperature, and a time signal. , A water temperature setting means for setting the upper limit value and the lower limit value of the water temperature in one year, and for setting the amount of change in the water temperature in one day, and the water temperature in one year set by the water temperature setting means Based on the upper limit value and the lower limit value of and the amount of change in the water temperature in one day, a calculation device that calculates the change in the water temperature in one day and the change in the water temperature in one year at preset change steps, and the temperature sensor detects So that the water temperature is changed by the change calculated by the calculation device in one day, and the upper limit value and the lower limit value of the water temperature change of the day in one year are calculated by the change calculated by the calculation device. As reduction is characterized by having a temperature control device for controlling on the basis of the coolant temperature change means to a time signal from the timer.

Further, in the water tank monitoring and controlling apparatus according to claim 3 of the present invention, a temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for changing the water temperature by heating or cooling the water in the water tank, and a time signal. And a water temperature setting means for setting a water temperature that changes in one day, and an upper limit value and a lower limit value of the water temperature in one day that change in one year, and the temperature sensor The water temperature to be changed by the change preset by the water temperature setting means in one day, and the upper and lower limit values of the water temperature change of the day in a year are the preset changes made by the water temperature setting means. A water temperature control device that controls the water temperature changing means based on a time signal from the timer so as to change, a pH meter that detects the pH value of water in the water tank, and carbon dioxide is supplied to the water in the water tank. two A carbon feeder receives the pH value from the pH meter, pH controlling the carbon dioxide supply device to a value which pH value is preset in the water in the water tank
And a value control device.

Further, in the water tank monitoring and controlling apparatus according to claim 4 of the present invention, a temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for changing the water temperature by heating or cooling the water in the water tank, and a time signal. And a water temperature setting means for setting a water temperature that changes in one day, and an upper limit value and a lower limit value of the water temperature in one day that change in one year, and the temperature sensor The water temperature to be changed by the change preset by the water temperature setting means in one day, and the upper and lower limit values of the water temperature change of the day in a year are the preset changes made by the water temperature setting means. A water temperature control device that controls the water temperature changing means based on a time signal from the timer, a lighting device that illuminates a water tank, a lighting condition setting device that sets a lighting time, and the lighting device. Based on the illumination time and intensity preset by matter setting means it is characterized by comprising a lighting control device for controlling the lighting device based on the time signal from the timer.

Further, in the water tank monitoring control device according to a fifth aspect of the present invention, a temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for changing the water temperature by heating or cooling the water in the water tank, and a time signal. And a water temperature setting means for setting a water temperature that changes in one day, and an upper limit value and a lower limit value of the water temperature in one day that change in one year, and the temperature sensor The water temperature to be changed by the change preset by the water temperature setting means in one day, and the upper and lower limit values of the water temperature change of the day in a year are the preset changes made by the water temperature setting means. A water temperature control device that controls the water temperature changing means based on a time signal from the timer so as to change, a pH meter that detects the pH value of water in the water tank, and carbon dioxide is supplied to the water in the water tank. two A carbon feeder receives the pH value from the pH meter, pH controlling the carbon dioxide supply device to a value which pH value is preset in the water in the water tank
A value control device, a lighting device that illuminates a water tank, a lighting condition setting unit that sets a lighting time, and based on a lighting time and illuminance preset by the lighting condition setting unit, based on a time signal from the timer. An illumination control device for controlling the illumination device is provided.

[0011]

Therefore, according to the water tank monitoring control device of the first aspect, since the water temperature control device controls the water temperature changing device so that the water temperature is set by the water temperature setting device, the water temperature changing device can follow the water temperature change substantially equal to the natural environment. The water temperature in the water tank is monitored and controlled so that the temperature changes.

Further, according to the water tank monitoring control device of the present invention, if the water temperature setting means sets the upper limit value and the lower limit value of the water temperature in one year, and the temperature change amount in one day, it is preset by the arithmetic device. In the change step, the change in water temperature in one day and the change in water temperature in one year are calculated,
The water temperature is monitored and controlled by the water temperature control device so as to follow the change in the water temperature.

Further, according to the water tank monitoring control apparatus of the third aspect, the water temperature control apparatus controls the water temperature changing means so that the water temperature is set by the water temperature setting means, so that the water temperature change is almost equal to the natural environment. The water temperature in the water tank is monitored and controlled so that the temperature changes, and the carbon dioxide supply device is controlled by the pH value control device so that the pH value of the water in the water tank always matches the preset value. To be

Further, according to the water tank monitoring control device of the present invention, since the water temperature control device controls the water temperature changing device so that the water temperature is set by the water temperature setting device, the water temperature changing device can follow the water temperature change substantially equal to the natural environment. The water temperature in the water tank is monitored and controlled so that the temperature changes, and the lighting device is controlled based on the preset time and illuminance.

Further, according to the water tank monitoring control device of the present invention, since the water temperature control device controls the water temperature changing device so that the water temperature is set by the water temperature setting device, the water temperature changing device can follow the water temperature change substantially equal to the natural environment. The water temperature in the water tank is monitored and controlled so that the temperature changes, and the carbon dioxide supply device is controlled by the pH value control device so that the pH value of the water in the water tank always matches the preset value. And again,
The lighting device is controlled based on the preset time and illuminance.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. A temperature sensor 2 for detecting the temperature of the water in the water tank and outputting it to the water temperature control circuit 1 is provided in the water tank, and a control signal from the water temperature control circuit 1 allows timely O
A water temperature changing means for changing the water temperature by N / OFF control, that is, a heating device 3 such as a heater is provided.

When it is necessary to lower the temperature of the water in the water tank to a temperature lower than the room temperature in which the water tank is installed, a cooling device 4 such as a cooling system is provided in the room or in the water tank.
In addition, in the water tank, the pH value of the water in the water tank is detected to detect the pH.
A pH meter 6 for outputting to the value control circuit 5 is provided.

A carbon dioxide gas supply device 7 is provided outside the water tank.
a is provided and the carbon dioxide gas filled in the high-pressure cylinder is p
The pH value in the water tank is controlled to be lowered by injecting it into the water in the water tank from the carbon dioxide diffusion cylinder through the electromagnetic valve that is controlled to open and close by the control signal from the H value control device 5.

Further, in response to a control signal from the pH value control device 5, air is supplied from the air supply device 7b into the water tank so that the pH value in the water tank is controlled to rise. Also,
A lighting device 9 that is ON / OFF controlled by a lighting control circuit 8 is provided outside the water tank in order to illuminate the water tank. The lighting device is, for example, a lamp whose illuminance is variable,
Alternatively, it is composed of two lamps (main lamp and sub lamp) which have different illuminances and can be individually turned on and off.

Further, outside the water tank, signals from the water temperature control device 1 and the pH value control device 5 are used to provide water temperature and pH.
A display device 10 that displays values and the like is provided. In addition, when signals from the water temperature control device 1 and the pH value control device 5 are present outside the water tank, there is an abnormality in the heating device 3, the cooling device 4, etc., an abnormality in the water temperature in the water tank, an abnormality in the pH value, etc. An alarm device 11 including a buzzer that emits a warning sound or a blinking lamp is provided.

The timer 12 outputs a time signal to the water temperature control device 1 and the lighting control device 8. A water temperature setting means 20 is provided outside the water tank. In the water temperature setting means 20,
The temperature that changes in one day is approximated to the one-day change in the water temperature of seawater or freshwater in the natural environment where the tropical fish to be bred, for example, and it changes smoothly in a substantially curved manner as shown in Fig. 2. As shown in FIG. 3, the upper limit value and the lower limit value of the change of the water temperature in this day change in one year.
Can be set in a plurality of changing steps (6 steps in FIG. 3). The water temperature set value that changes in one day set in the plurality of change steps, and the water temperature set value that changes in one year set in the plurality of change steps of the upper limit value and the lower limit value of the change of the day, Input to the water temperature control device 1.

Instead of setting the water temperature by the water temperature setting means 20 in a plurality of changing steps in this way, the upper limit value and the lower limit value of the water temperature change in one year (for example, in FIG. 3, the upper limit value is 28 ° C. and the lower limit value is 25 ° C.) and the amount of change in the water temperature during the day (1 ° C. in FIG. 2) may be set. In this case, based on the upper limit value and the lower limit value of the water temperature in one year set by the water temperature setting means 20 and the amount of change in the water temperature in one day, the change as shown in FIGS. Arithmetic device 2 for calculating the temperature at each change step such that the water temperature changes in one day and the water temperature changes in one year.
1 is provided to cause the water temperature control device 1 to input the water temperature change due to a plurality of change steps in a day and the water temperature change due to a plurality of change steps in a year, which are obtained by calculation by the calculation device 21.

A water temperature control device 1 is provided outside the water tank. The water temperature control device 1 is configured so that the temperature detected by the temperature sensor 2 changes according to a change preset by the water temperature setting means 12 in one day, and the upper limit value of the temperature change in one day in one year. And the lower limit value is changed by a change preset by the water temperature setting means 20, or the temperature is changed by a change in one day according to the result calculated by the calculation device 21, and the temperature is changed by one day in one year. Based on the time signal from the timer 12, the heating device 3 or the cooling device 4, which is the water temperature changing means, is controlled based on the time signal from the timer 12 so that the upper limit value and the lower limit value of the temperature change change according to the change calculated by the calculation device 13. Control.

The illumination condition setting means 22 is provided outside the water tank.
Is provided, whereby the illumination time or illuminance of the illumination device 9 can be set. Lighting control device 8
Can send a signal to ON / OFF control the illumination device 9 or to control the illuminance in the predetermined time zone by the illumination condition setting means 22. Lighting device 9
When the lamp consists of multiple lamps with different illuminance,
Illuminance is controlled by N / OFF control.

A pH value control device may be provided outside the water tank. When the pH value detected by the pH meter 6 is higher than a preset pH value, the pH value control device 2
The opening / closing of the solenoid valve of the carbon dioxide gas supply device 7a is controlled so as to decrease to the set pH value, and the supply of carbon dioxide gas into water is controlled. Carbon dioxide is injected into the water from the carbon dioxide diffusion cylinder, stirred, and dissolved in the water. When the amount of carbon dioxide gas supplied becomes large, the pH value drops. Also, the pH value in the water tank is the set pH.
If it is lower than the value, the pH value is raised to the set value by supplying air from the air supply device 7b.

The water temperature control device 1 can send a signal based on the temperature information from the temperature sensor 2 to display the temperature on the display device 10. In addition, the pH value control device 5
The pH value can be displayed on the display device 10 by sending a signal based on the pH value information from the total 6.

Further, the water temperature control device 1 does not reach the preset desired temperature even if the heating device 3 or the cooling device 4 is controlled, and when the temperature exceeds the allowable range, the alarm device 13 A buzzer sound can be generated, or a lamp can blink (or both means can be used together). Further, the pH value control device 5 causes the alarm device 13 to emit a buzzer sound or causes a lamp to blink when the pH value exceeds a permissible range from a preset pH value (or both means are used). Can be used together).

[0028]

As described above, according to the water tank monitoring control device of the first aspect, the water temperature control device controls the water temperature changing means so that the water temperature is set by the water temperature setting means.
The water temperature in the water tank is monitored and controlled so that the temperature changes in accordance with the water temperature change that is almost equal to the natural environment.

Further, according to the water tank monitoring control device of the second aspect, if the water temperature setting means sets the upper limit value and the lower limit value of the water temperature in one year, and the temperature change amount in one day, it is preset by the arithmetic unit. In the change step, the change in water temperature in one day and the change in water temperature in one year are calculated,
The water temperature is monitored and controlled by the water temperature control device so as to follow the change in the water temperature.

Further, according to the water tank monitoring control device of the third aspect, the water temperature control device controls the water temperature changing device so that the water temperature is set by the water temperature setting device, so that the water temperature change is almost the same as the natural environment. The water temperature in the water tank is monitored and controlled so that the temperature changes, and the carbon dioxide supply device is controlled by the pH value control device so that the pH value of the water in the water tank always matches the preset value. To be

Further, according to the water tank monitoring control device of the fourth aspect, the water temperature control device controls the water temperature changing device so that the water temperature is set by the water temperature setting device, so that the water temperature changing device can follow the water temperature change which is almost equal to the natural environment. The water temperature in the water tank is monitored and controlled so that the temperature changes, and the lighting device is controlled based on the preset time and illuminance.

Further, according to the water tank monitoring control device of the fifth aspect, the water temperature control device controls the water temperature changing device so that the water temperature is set by the water temperature setting device, so that the water temperature changing device can follow the water temperature change which is almost equal to the natural environment. The water temperature in the water tank is monitored and controlled so that the temperature changes, and the carbon dioxide supply device is controlled by the pH value control device so that the pH value of the water in the water tank always matches the preset value. And again,
The lighting device is controlled based on the preset time and illuminance.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

FIG. 2 is a graph showing an example of daily water temperature changes set by the water temperature setting means of the present invention.

FIG. 3 is a graph showing an example of one-year water temperature changes set by the water temperature setting means of the present invention.

[Explanation of symbols]

 1 Water Temperature Control Device 5 pH Value Control Device 8 Lighting Control Device 20 Water Temperature Setting Means 21 Computing Device 22 Lighting Condition Setting Means

Claims (5)

[Claims] 1. A temperature sensor for detecting a water temperature in a water tank, a water temperature changing means for changing water temperature by heating or cooling water in the water tank, a timer for outputting a time signal, and a water temperature changing for one day. Water temperature setting means for setting and setting the water temperature at which the upper and lower limit values of the water temperature of the day change in one year, and the water temperature detected by the temperature sensor is the water temperature setting means in the day. As it changes with the preset change,
And water temperature control for controlling the water temperature changing means based on the time signal from the timer so that the upper limit value and the lower limit value of the water temperature change of the day change with the change preset by the water temperature setting means. Water tank monitoring and control device equipped with a device. 2. A temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for changing the water temperature by heating or cooling the water in the water tank, a timer for outputting a time signal, and an upper limit value of the water temperature in one year. And a lower limit value, and a water temperature setting means for setting the amount of change in the water temperature in one day, and the upper limit value and the lower limit value of the water temperature in one year and the change in the water temperature in one day set by the water temperature setting means. Based on the amount, a calculation device that calculates a change in water temperature in one day and a change in water temperature in one year in a preset change step, and the water temperature detected by the temperature sensor is calculated by the calculation device in one day. The water temperature changing means so that the upper and lower limit values of the water temperature change of the day change with the changes calculated by the arithmetic unit. Aquarium monitor control apparatus provided with a water temperature control device for controlling on the basis of the time signal from over. 3. A temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for changing the water temperature by heating or cooling the water in the water tank, a timer for outputting a time signal, and a water temperature changing for one day. Water temperature setting means for setting and setting the water temperature at which the upper and lower limit values of the water temperature of the day change in one year, and the water temperature detected by the temperature sensor is the water temperature setting means in the day. As it changes with the preset change,
And water temperature control for controlling the water temperature changing means based on the time signal from the timer so that the upper limit value and the lower limit value of the water temperature change of the day change with the change preset by the water temperature setting means. An apparatus, a pH meter for detecting the pH value of water in the water tank, a carbon dioxide supply device for supplying carbon dioxide to the water in the water tank, and a pH value of the water in the water tank for receiving the pH value from the pH meter. A water tank monitoring control device, comprising: a pH value control device that controls the carbon dioxide supply device so that the value becomes a preset value. 4. A temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for changing the water temperature by heating or cooling the water in the water tank, a timer for outputting a time signal, and a water temperature changing for one day. Water temperature setting means for setting and setting the water temperature at which the upper and lower limit values of the water temperature of the day change in one year, and the water temperature detected by the temperature sensor is the water temperature setting means in the day. As it changes with the preset change,
And water temperature control for controlling the water temperature changing means based on the time signal from the timer so that the upper limit value and the lower limit value of the water temperature change of the day change with the change preset by the water temperature setting means. Device, a lighting device for illuminating an aquarium, lighting condition setting means for setting a lighting time, based on a lighting time and illuminance preset by the lighting condition setting means, the lighting based on a time signal from the timer An aquarium monitoring control device including a lighting control device for controlling the device. 5. A temperature sensor for detecting the water temperature in the water tank, a water temperature changing means for changing the water temperature by heating or cooling the water in the water tank, a timer for outputting a time signal, and a water temperature changing for one day. Water temperature setting means for setting and setting the water temperature at which the upper and lower limit values of the water temperature of the day change in one year, and the water temperature detected by the temperature sensor is the water temperature setting means in the day. As it changes with the preset change,
And water temperature control for controlling the water temperature changing means based on the time signal from the timer so that the upper limit value and the lower limit value of the water temperature change of the day change with the change preset by the water temperature setting means. An apparatus, a pH meter for detecting the pH value of water in the water tank, a carbon dioxide supply device for supplying carbon dioxide to the water in the water tank, and a pH value of the water in the water tank for receiving the pH value from the pH meter. The pH value control device that controls the carbon dioxide supply device so that the value becomes a preset value, the illumination device that illuminates the water tank, the illumination condition setting means that sets the illumination time, and the illumination condition setting means in advance. A water tank monitoring control device, comprising: a lighting control device that controls the lighting device based on a time signal from the timer based on the set lighting time and illuminance.