JP3851181B2 - Data detection storage device, history data storage method of pump or blower - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention includes a data detection storage device suitable for collecting various data necessary for maintenance and recycling of equipment and equipment such as pumps and blowers installed in building facilities , and the data detection storage device. The present invention relates to a method for accumulating history data of a pump or blower .
[0002]
[Prior art]
2. Description of the Related Art Conventionally, devices such as data loggers are known for collecting measurement data for investigating the usage state of equipment as described above. This consists of a sensor that detects the state of the device and a CPU unit that captures and stores the sensor signal, a function for setting the data storage method, a port for retrieving the data to the outside, and a storage medium A mounting structure, an output port to the network, etc. are provided. These data collection devices are expensive and require a power source to operate the system. Therefore, always supply power from the outside, or prepare an independent power source such as an internal battery to ensure constant power supply. It is difficult to handle because it is necessary.
[0003]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and ensures a power supply for operation when operating the system without supplying power from outside and without preparing an independent power supply inside. It is an object of the present invention to provide a data detection storage device and a history data storage method for a pump or a blower including the data detection storage device .
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 is directed to a current converter that generates an electromotive force according to the magnitude of the current by a magnetic field generated around a conducting wire through which the current flows, and generation of the current converter. A control power supply unit that uses the electromotive force to be controlled as a control power supply of the apparatus and a microprocessor having a storage unit, and automatically captures the current value of the electromotive force generated by the current converter by the microprocessor and stores it as data It memorize | stores in.
[0005]
As described above, a control power supply unit using the electromotive force generated by the current converter as a control power supply of the apparatus and a microprocessor having a storage unit, and the current value of the electromotive force generated by the current converter by the microprocessor Is automatically stored and stored in the storage unit as data, so that the amount of current supplied to the device through the conductor is not required to operate the device without external power supply or independent internal power supply. The current value of the electromotive force corresponding to can be automatically captured by the microprocessor.
[0006]
According to a second aspect of the present invention, in the data detection and storage device according to the first aspect, a transmission / reception circuit provided with an antenna and capable of transmitting and receiving data is provided, and the control power supply unit also generates an electromotive force due to electromagnetic waves received by the antenna. The microprocessor is characterized in that it transmits and receives data without contact with the outside via a transmission / reception circuit and its antenna.
[0007]
As described above, a transmission / reception circuit that includes an antenna and can transmit and receive data is provided, and the control power supply unit has a function of using an electromotive force due to electromagnetic waves received by the antenna as a control power supply. When there is an access for data transmission / reception, even when the sensor that measures the physical property value of the object is not activated by generating an electromotive force independently, the microprocessor is operated and externally connected via an antenna. It is possible to send and receive data without contact.
[0008]
According to a third aspect of the present invention, in the data detection and storage device according to the first or second aspect, the number of times the current converter generates an electromotive force and / or the electromotive force is generated in a program for controlling the microprocessor. It is characterized by a built-in program that counts the current time .
[0009]
As described above, the program for controlling the microprocessor incorporates a program for counting the number of times and / or the time during which the electromotive force is generated by the current converter. The number of times the object is used is determined by the count value of the number of times that the electromotive force is generated, and the number of times that the equipment is supplied with current from the lead wire is determined by the count value of the time that the electromotive force is generated. The usage time of the equipment can be known from the count value of the time.
[0010]
According to a fourth aspect of the present invention, in the data detection storage device according to the first to third aspects, an output of a sensor that measures a physical property value other than the current converter can be input .
[0011]
Since the output of the sensor that measures the physical property values other than the current converter can be input as described above, for example, the temperature sensor that measures the temperature of the object and various data during use of the object are collected. It becomes possible.
[0012]
The invention according to claim 5 is a history data storage device of a pump or a blower, comprising the data detection storage device according to any one of claims 1 to 4, and around a power supply cable of the pump or the blower. An electromotive force is generated by a current converter by a magnetic field generated in the circuit, and history data such as operation / stop count or operation time of a pump or blower is stored in a data detection storage device .
[0013]
As described above, history data such as the number of operation / stop of the pump or blower or operation time is stored in the data detection storage device to easily obtain data useful for maintenance or recycling of the pump or blower. be able to.
[0014]
In the present invention, the microprocessor operates only while the pump is operating or the personal computer is connected, but still sufficient maintenance data can be stored. If it is still insufficient, for example, if a charging mechanism is provided, charging can be performed while the pump is operating, and automatic data measurement can be performed even when the pump is stopped or the personal computer is not connected.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a system configuration of a data detection and storage device according to the present invention. As shown in the figure, the data detection storage device 10 includes a current converter 11, a control power supply unit 12, a microprocessor 13, a carrier signal oscillator 14, a modulator 15, a power amplifier 16, an antenna 17, a demodulator 18, and an RF amplifier 19. These are housed in a single card-like substrate 20.
[0016]
The current converter 11 generates an electromotive force corresponding to the magnitude of the current by a magnetic field generated by a current flowing in a conducting wire (not shown) passing through a hole 11a provided at the center thereof. The control power supply unit 12 converts the electromotive force E1 generated by the current converter 11 into the control power supply V, and the microprocessor 13, the carrier signal oscillator 14, the modulator 15, the power amplifier 16, the antenna 17, the demodulator 18, and the RF amplifier 19 are used. The converted control power V is supplied.
[0017]
The microprocessor 13 operates with the control power supply V supplied from the control power supply unit 12, converts the analog signal, which is the output of the current converter 11, into a digital signal, captures it, and stores the read data in the storage unit 13-1. Remember. The microprocessor 13 controls the carrier signal oscillator (high frequency oscillator) 14, the modulator 15, and the power amplifier 16, reads the data stored in the storage unit 13-1, and transmits the data to the modulator 15. The modulator 15 modulates the data signal with the carrier signal (high frequency signal) from the carrier signal oscillator 14, amplifies the data signal with the power amplifier 16, and transmits it to an external device via the antenna 17.
[0018]
The control power supply unit 12 also has a function of receiving an electromotive force E2 due to electromagnetic waves of an external device (not shown) received by the antenna 17 and converting it into a control power supply. Thereby, even when the current converter 11 does not generate the electromotive force E1, the microprocessor 13 operates by the control power source V by the electromotive force E2 from the antenna 17, and the data and signals sent from the external device via the antenna 17 Can be amplified via the RF amplifier 19, demodulated via the demodulator 18 and received, and data and signals can be transmitted via the modulator 15, power amplifier 16 and antenna 17 as described above.
[0019]
In addition to the output signal of the current converter 11, analog output signals of various sensors such as the temperature sensor 21 can be input to the microprocessor 13. These signals are also converted into digital signals and captured. It can be stored in the storage unit 13-1. The microprocessor 13 is controlled by a program stored in the storage unit 13-2. The program includes the number of times the current converter 11 generates and stops the electromotive force E1 and / or the electromotive force E1. A program that counts the time that is occurring is built in.
[0020]
As described above, the program for controlling the microprocessor 13 incorporates a program for counting the number of times the current converter 11 generates and stops the electromotive force E1 and / or the time during which the electromotive force E1 is generated. Thus, the current converter 11 indicates the number of times the current has flowed to the conducting wire passing through the hole 11a of the current converter 11 from the count value of the number of times the current converter 11 has generated / stopped the electromotive force, that is, the number of times the object has been used From the count value of the time during which the electromotive force E1 is generated, it is possible to know the time when the current flows through the conducting wire passing through the hole 11a of the current converter 11, that is, the time when the object is used.
[0021]
The data detection storage device 10, that is, the current converter 11, the control power supply unit 12, the microprocessor 13, the carrier signal oscillator 14, the modulator 15, the power amplifier 16, the antenna 17, the demodulator 18, and the RF amplifier 19 are stored in a card shape. As shown in FIG. 2, the substrate 20 is provided with a hole 20 a corresponding to the hole 11 a provided in the central portion of the current converter 11 in a portion in which the current converter 11 at one corner is accommodated. Shape. The one corner piece 20b of the portion provided with the hole 20a is pivotally attached to the substrate 20 by the hinge mechanism 22.
[0022]
The single corner piece 20b is rotated (opened) in the direction indicated by the arrow A, and the substrate 20 is moved so that the conducting wire (power supply cable) 23 is positioned at the center of the hole 20a. Is rotated (closed) in the opposite direction, so that the data detection storage device 10 can be attached to the conductor (power supply cable) 23. Thereby, the data detection storage device 10 can automatically measure the number of times the current flows through the conductor 23 and the time during which the current flows, and store / store it in the storage unit 13-1.
[0023]
Hereinafter, usage examples of the data detection storage device 10 according to the present invention will be described. FIG. 3 is a diagram showing an example in which the data detection storage device according to the present invention is used for measuring and recording the number of operation times (starting times) and the operation time of the pump. In FIG. 3, 30 is a pump, and 31 is a motor that drives the pump 30. The pump 30 has a suction pipe 32 and a discharge pipe 33, and when the motor 31 is operated, a liquid such as water sucked from the suction pipe 32 is discharged from the discharge pipe 33 to the pipe 34. Electric power is supplied to the motor 31 through a conductive wire (power supply cable) 23, and the data detection storage device 10 is mounted so that the conductive wire 23 passes through the hole 20a of the substrate 20 of the data detection storage device 10. To do.
[0024]
When the pump 30 is operated, the driving power is supplied to the motor 31 via the conductor 23 and the driving power is continuously supplied during the operation. Therefore, the current converter 11 of the data detection storage device 10 in FIG. When a driving power is supplied to 23 and a current flows, an electromotive force E1 corresponding to the magnitude of the current is generated by a magnetic field generated by the current. As described above, the control power supply unit 12 converts the electromotive force E1 generated by the current converter 11 into the control power supply V, and the microprocessor 13, the carrier signal oscillator 14, the modulator 15, the power amplifier 16, the antenna 17, and the demodulator. The converted control power supply V is supplied to 18 and the RF amplifier 19.
[0025]
Thereby, the microprocessor 13 takes in the output of the current converter 11 and records it in the storage unit 13-1. Since the current converter 11 supplies driving power to the motor 31 and generates the electromotive force E1 when the pump 30 is operated as described above, the time during which the electromotive force E1 is generated and the generation / stop of the electromotive force E1. By measuring the number of times, the operation time of the pump and the number of operations / stops can be measured. Accordingly, the data stored in the storage unit 13-1 indicates the history of the pump operation time and the number of operations.
[0026]
In addition, if the measurement program of the microprocessor is used, for example, the maximum value of the read current value is peak-held and stored, or the current value range is divided into five and the operation time for each current value is stored. It is possible to grasp how long it has been driven with the load of.
[0027]
FIG. 4 is a diagram illustrating a configuration example of a device that reads data stored and accumulated in the data detection storage device 10. A reader / writer 40 transmits and receives signals to and from the data detection storage device 10. The data detection storage device 10 is placed on the reader / writer 40, and signals are transmitted and received between the reader / writer 40 and the data detection storage device 10.
[0028]
Although not shown, the reader / writer 40 includes a carrier signal oscillator (high frequency oscillator), a modulator, a power amplifier, and an antenna, as in the data detection storage device 10 shown in FIG. In addition, an RF amplifier and a demodulator are provided for amplifying a signal received by the antenna. By sending electromagnetic waves from the antenna of the reader / writer 40 to the antenna 17 of the data detection storage device 10, the antenna 17 generates the electromotive force E2 as described above. The control power supply unit 12 converts the electromotive force E2 into a control power supply V and supplies it to each unit.
[0029]
When a signal is transmitted from the reader / writer 40 to the data detection storage device 10, when the signal is modulated by the modulator and transmitted to the data detection storage device 10 via the antenna, the signal is transmitted to the antenna 17 of the data detection storage device 10. Is amplified and demodulated through the RF amplifier 19 and the demodulator 18 and taken into the microprocessor 13, and the signal is stored as data in the storage unit 13-1.
[0030]
When sending a signal such as data from the data detection storage device 10 to the reader / writer 40, the microprocessor 13 reads out the data stored in the storage unit 13-1, transmits it to the modulator 15, and transmits the modulator. 15, the signal is modulated by the carrier signal (high frequency signal) from the carrier signal oscillator 14 and transmitted to the antenna of the reader / writer 40 via the power amplifier 16 and the antenna 17. The reader / writer 40 amplifies and demodulates a signal received by the antenna through an RF amplifier and a demodulator.
[0031]
The demodulated signal is taken into the personal computer 41 and processed by the personal computer 41, so that the number of operations (starting / stopping number) of the pump 30 and the usage time can be known. The storage unit 13-1 of the data detection storage device 10 stores data such as a machine name, serial number, date of manufacture, rating, etc. having a nameplate function in addition to the above data, and further maintenance data (for example, replacement) Stored part name, replacement time, contents, etc.). In addition to the number of pump operations and the operation time, data such as temperature and current values (operation conditions and states) may also be stored. From these data, the personal computer 41 takes maintenance measures for the pump 30 and the motor 31 and measures for recycling (regeneration).
[0032]
In the above example, the reader / writer 40 is configured to place the data detection storage device 10 on the reader / writer 40 and transmit / receive signals between them. However, the present invention is not limited to this. 5, the reader / writer 40 is provided with an insertion hole 40a for inserting the data detection storage device 10, and the reader / writer 40 and the data detection storage device are inserted in the insertion hole 40a. It may be configured such that signals such as data can be transmitted and received between 10. Also in this case, the reader / writer 40 is connected to the personal computer 41 as in FIG.
[0033]
FIG. 6 is a diagram illustrating an example in which the current converter 24 of the data detection storage device 10 is configured independent of the substrate 20. The current converter 24 and the substrate 20 are connected by signal lines 26 and 27 through a connector 25. Similarly to FIG. 1, the substrate 20 contains a control power supply unit, a microprocessor, a carrier signal oscillator, a modulator, a power amplifier, an antenna, a demodulator, and an RF amplifier. In addition, the substrate 20 is formed into a flexible thin sheet, and the temperature sensor 28 is housed, so that the substrate 20 is attached to a curved surface of a device such as a pump casing, and the temperature is measured while measuring pump operation / stop, operation time, and current value. Can also be measured.
[0034]
Equipment such as pumps and blowers require appropriate maintenance in order to maintain their performance in a suitable state. In order to perform appropriate maintenance, history data such as the number of operations / stops, operation time, operation conditions, etc. is necessary. By installing the data detection storage device 10 as described above in the equipment, such history data is stored. Can be easily obtained. That is, only by attaching the current converter 11 and the current converter 24 of the data detection storage device 10 to a conductor (power supply cable) 23 that supplies driving power to equipment, without requiring a power source such as a battery, History data such as the number of operations / stops, operation time, and operation conditions can be measured and accumulated.
[0035]
In recent years, it has been demanded from the viewpoint of resource protection and the like that equipments such as pumps and blowers that have been used for a long time and have reached the end of their life are brought into a recycling factory and recycled (recycled) in the recycling factory. In this way, if the data detection storage device 10 having the above-described configuration is attached to the equipment that is carried into the reproduction factory, various data recorded in the data detection storage device 10 are read at the reproduction factory, and It can be used effectively for reproduction.
[0036]
【The invention's effect】
As described above, according to the invention described in each claim, the following excellent effects can be obtained.
[0037]
According to the invention described in claim 1, comprising a control power supply unit to control power of the apparatus the electromotive force generated in the current converter, and a microprocessor having a memory unit, generated by the current converter by the microprocessor The current value of the generated electromotive force is automatically captured and stored as data in the storage unit, so that it is supplied to the equipment through the conductor without the need for external power supply or internal power supply to operate the device. The current value of the electromotive force corresponding to the magnitude of the generated current can be automatically taken in by the microprocessor. Therefore, if the data detection storage device according to the present invention is installed, for example , around the power supply cable of the equipment that supplies power to the equipment , valuable data useful for maintenance and recycling of the equipment can be easily obtained. Can do.
[0038]
According to the second aspect of the present invention, a transmission / reception circuit having an antenna and capable of transmitting and receiving data is provided, and the control power supply unit has a function of using an electromotive force due to electromagnetic waves received by the antenna as a control power supply. When data transmission / reception is accessed via the circuit antenna, the microprocessor is operated even when the sensor that measures the physical property value of the object is inoperative by generating an electromotive force independently. It is possible to send and receive data without contact with the outside via the antenna.
[0039]
According to the third aspect of the present invention, the program for controlling the microprocessor incorporates a program for counting the number of times the current converter has generated an electromotive force and / or the time during which the electromotive force is generated. By using the count value of the number of times that the current converter has generated an electromotive force, the number of times the object is used, and by using the count value of the time during which the electromotive force is being generated, The usage time of the equipment can be known from the count value of the time during which the electromotive force is generated.
[0040]
According to the invention described in claim 4, since the output of a sensor that measures a physical property value other than the current converter can be input, for example, a temperature sensor that measures the temperature of the object and the use of the object Various kinds of data can be collected.
[0041]
According to the fifth aspect of the present invention, the data detection storage device stores history data such as the number of operations / stops of the pump or the blower or the operation time in the data detection storage device, thereby maintaining or recycling the pump or the blower. Useful data can be easily obtained.
[Brief description of the drawings]
FIG. 1 is a diagram showing a system configuration of a data detection and storage device according to the present invention.
FIG. 2 is a conceptual diagram showing a state in which a data detection storage device according to the present invention is attached to a conducting wire.
FIG. 3 is a conceptual diagram showing a state in which a data detection storage device according to the present invention is mounted on a pump device.
FIG. 4 is a diagram showing a configuration example of an apparatus for reading data stored / accumulated in a data detection storage apparatus according to the present invention.
FIG. 5 is a diagram showing a configuration example of an apparatus for reading data stored / accumulated in a data detection storage apparatus according to the present invention.
FIG. 6 is a diagram showing a system configuration of a data detection storage device according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Data detection memory | storage device 11 Current converter 12 Control power supply part 13 Microprocessor 14 Carrier signal oscillator 15 Modulator 16 Power amplifier 17 Antenna 18 Demodulator 19 RF amplifier 20 Board | substrate 21 Temperature sensor 22 Hinge mechanism 23 Conductor (cable)
24 current converter 25 connector 26 signal line 27 signal line 28 temperature sensor 30 pump 31 motor 32 suction pipe 33 discharge pipe 34 pipe 40 reader / writer 41 personal computer

Claims (5)

A current converter that generates an electromotive force according to the magnitude of the current by a magnetic field generated around a conducting wire through which the current flows, and a control power supply unit that uses the electromotive force generated by the current converter as a control power supply of the device; A microprocessor having a storage unit,
A data detection storage device, wherein a current value of an electromotive force generated in the current converter is automatically captured by the microprocessor and stored as data in the storage unit. The data detection storage device according to claim 1,
A transmission / reception circuit provided with an antenna and capable of transmitting / receiving data is provided, and the control power supply unit has a function of using an electromotive force due to electromagnetic waves received by the antenna as a control power supply,
A data detection and storage device, wherein the microprocessor transmits and receives data without contact with the outside via the transmission / reception circuit and its antenna. In the data detection storage device according to claim 1 or 2 ,
A program for controlling the microprocessor incorporates a program for counting the number of times the current converter has generated an electromotive force and / or the time during which the electromotive force is generated. . The data detection storage device according to any one of claims 1 to 3 ,
A data detection storage device, wherein an output of a sensor for measuring a physical property value other than the current converter can be input. A history data storage device for a pump or blower,
A data detection storage device according to any one of claims 1 to 4,
An electromotive force is generated in the current converter by a magnetic field generated around the power supply cable of the pump or blower, and history data such as the number of times of operation / stop or operation time of the pump or blower is stored in the data detection storage device. A method for accumulating history data of a pump or a blower , characterized in that :

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