JP2015166677A - gas detector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gas detector capable of detecting a detected gas even in a difficult situation to secure power such as a place not having the power (undeveloped area, etc.) and a time of earthquake disaster.SOLUTION: A gas detector 1 includes: a sensor part 11 for detecting a detected gas; a controller 14 which controls various kinds of operation of the gas detector 1 and which includes a base output adjustment mechanism 17; and a power generation part 16 for generating power by a manual operation by an operator. The sensor part 11 performs the operation of detecting the detected gas by the power generated by the power generation part 16.

Description

  The present invention relates to a gas detector technology.

Conventionally, a technique related to a gas detector that includes a sensor unit and detects a predetermined non-detection gas has been publicly known (see Patent Document 1).
The sensor unit of the gas detector is constituted by a gas sensor such as an oxygen sensor, a CO sensor, a methane sensor, or a city gas sensor. The sensor unit performs an operation of detecting the gas to be detected when electric power is supplied.

Japanese Patent Laid-Open No. 7-103887

However, the gas detector obtains electric power directly from an external power source or is configured to perform an operation of detecting a gas to be detected by electric power stored in a storage battery in advance.
For this reason, the gas detector cannot detect the gas to be detected in a situation where it is difficult to secure power, such as a place where electricity does not pass (unopened land, etc.) or during an earthquake disaster. There is a case.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a gas detector capable of reliably detecting a gas to be detected even in a situation where it is difficult to secure electric power. .

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

  That is, in the gas detector disclosed in the present application, the sensor unit is configured by a sensor unit that detects a gas to be detected, a power generation unit that generates power when the operator manually operates, and power generated by the power generation unit. The operation of detecting the gas to be detected is performed.

The gas detector disclosed in the present application can take the following aspects based on the above-described configuration.
The gas detector disclosed in the present application includes the power storage unit that stores the power generated by the power generation unit, and the sensor unit performs an operation of detecting the detected gas by the power stored in the power storage unit. It is preferable that

  The gas detector disclosed in the present application includes a detection switch, and when the detection switch is operated, power is supplied from the power storage unit to the sensor unit, and the sensor unit supplies the gas to be detected. It is preferable that the operation to detect is started, and the supply of electric power from the power storage unit to the sensor unit is stopped, and the operation of the sensor unit detecting the detected gas is stopped.

  The gas detector disclosed in the present application may include an inspection unit that performs an inspection to determine whether or not the operation of detecting the detected gas in the sensor unit is normally performed by the power generated by the power generation unit. preferable.

  In the gas detector disclosed in the present application, it is preferable that the gas detector includes a suction unit that sucks the gas to be detected and distributes it to the sensor unit.

  The gas detector disclosed in the present application includes a detected gas storage unit that stores the detected gas sucked by the suction unit, and the detected gas stored in the detected gas storage unit as needed. It is preferable to distribute to the sensor unit.

  In the gas detector disclosed in the present application, it is preferable that the gas detector includes a clean air storage unit that stores clean air in advance and distributes the clean air stored in the clean air storage unit to the sensor unit as necessary. .

  In the gas detector disclosed in the present application, the suction unit performs an operation of sucking the detected gas when the operator manually operates, and the operator manually operates the power generation unit. In this case, it is preferable to perform an operation of sucking the detected gas.

  The gas detector disclosed in the present application includes a main body case that is gripped by the operator when detecting the gas to be detected, and the sensor unit is configured to be separated from the main body case. It is preferable to detect the gas to be detected at a position away from each other.

As effects of the present invention, the following effects can be obtained.
That is, according to the present invention, it is possible to reliably detect the gas to be detected even in a situation where it is difficult to secure electric power.

The front view which shows the gas detector which concerns on embodiment of this invention. The rear view which similarly shows a gas detector. The top view which similarly shows a gas detector. The block diagram which similarly shows a gas detector. The front view which similarly shows a gas detector. The side view which similarly shows a gas detector. The front view which similarly shows a gas detector. The block diagram which similarly shows a gas detector. The block diagram which similarly shows a gas detector. The front view which similarly shows a gas detector. The block diagram which similarly shows a gas detector. The front view which similarly shows a gas detector. The block diagram which similarly shows a gas detector. The front view which similarly shows a gas detector. The block diagram which similarly shows a gas detector. The front view which similarly shows a gas detector. The front view which similarly shows a gas detector. The front view which similarly shows a gas detector. The block diagram which similarly shows a gas detector. The front view which similarly shows a gas detector. The front view which similarly shows a gas detector. The front view which similarly shows a gas detector.

  The gas detector 1 shown in FIGS. 1 to 6 will be described.

The gas detector 1 detects a gas to be detected when operated by an operator, and is configured as a portable gas detector.
As shown in FIGS. 1 to 6, the gas detector 1 includes a main body case 2, a control case 3, a sensor unit 11, a display unit 12, an alarm unit 13, a control unit 14, and a base output adjustment unit. 15 and the power generation unit 16.

  The main body case 2 is a portion that is gripped by an operator when performing an operation of detecting the gas to be detected, and is configured in a substantially quadrangular prism shape. The control case 3 is provided at one longitudinal end of the main body case 2, and the power generation unit 16 is provided at the side of the main body case 2.

The control case 3 is configured to have a substantially truncated cone shape whose upper surface portion is mesh. Step portions are formed at two opposing positions on the side surface of the control case 3.
The sensor unit 11 and the control unit 14 are disposed in the control case 3, and the display unit 12 and the alarm unit 13 are disposed in one step portion of the two step portions of the control case 3. Of the two stepped portions of the control case 3, the other stepped portion is configured as an operating tool placement portion 3a on which an operating tool for operating the operation of the gas detector 1 is placed.

The sensor unit 11 detects changes in the external environment, and includes, for example, a gas sensor such as an oxygen sensor, a CO sensor, a methane sensor, or a city gas sensor. The sensor unit 11 detects the gas to be detected by a known semiconductor sensor element, catalytic combustion sensor element, or other sensor element.
The sensor unit 11 is connected to the control unit 14. The sensor unit 11 is disposed in the control case 3 and detects a gas to be detected that flows into the control case 3 from an upper surface portion (a mesh-like gap in the upper surface portion) of the control case 3. The sensor unit 11 performs an operation of detecting the gas to be detected when power is supplied. The sensor unit 11 stops the operation of detecting the gas to be detected when the supply of the electric power is stopped. The sensor unit 11 can detect the gas to be detected, for example, until the gas concentration is about 100 ppm.
The sensor unit 11 can also set a predetermined upper limit or lower limit for the gas concentration of the gas to be detected to be detected.

  The display unit 12 displays various operation states of the gas detector 1. The display unit 12 is connected to the control unit 14. The display unit 12 includes three (plural) LEDs (light emitting diodes) that emit different colors. Hereinafter, the three LEDs of the display unit 12 will be referred to as a first LED 12a, a second LED 12b, and a third LED 12c, respectively. For example, the first LED 12a emits green, the second LED 12b emits amber, and the third LED 12c emits red.

The first LED 12a, the second LED 12b, and the third LED 12c are turned on or off, or blinked in different patterns, depending on various operating states of the gas detector 1. For example, the first LED 12a is turned on when electric power is supplied and the sensor unit 11 is in a state where the gas to be detected can be detected, and when the supply of electric power is stopped and the sensor unit 11 cannot detect the gas to be detected. Is set to turn off. For example, the second LED 12b and the third LED 12c are set to blink at different intervals when the sensor unit 11 detects the gas to be detected. The second LED 12b blinks at a relatively slow interval when the sensor unit 11 detects the gas to be detected having a relatively low gas concentration. The third LED 12c blinks at a relatively early interval when the sensor unit 11 detects the gas to be detected having a relatively high gas concentration.
The display unit 12 is not limited to the number of LEDs or the color of light emitted, but may be composed of a single LED, and each of the LEDs emits light of the same color. It may be configured. Moreover, the display part 12 is not limited to comprising with LED, For example, you may comprise with a liquid crystal screen etc.

  The alarm unit 13 emits an alarm sound according to various operation states of the gas detector 1. The alarm unit 13 is connected to the control unit 14. For example, the alarm unit 13 generates an intermittent sound when the sensor unit 11 detects a gas to be detected having a relatively low gas concentration and the second LED 12b is lit in a blinking manner, and also detects a gas having a relatively high gas concentration. A continuous sound is emitted when the sensor unit 11 detects gas and the third LED 12c is blinking.

The control unit 14 controls various operations of the gas detector 1.
The control unit 14 includes a base output adjustment mechanism 17.

The base output adjustment mechanism 17 of the control unit 14 is configured such that the operator operates the base output adjustment unit 15 to perform zero point adjustment based on the base output when there is no gas to be detected in the atmosphere. . The base output adjustment unit 15 is composed of a volume member such as a variable resistor, and is arranged in the operation tool arrangement unit 3 a of the control case 3.
Note that the base output adjustment mechanism 17 can be configured to automatically perform zero point adjustment based on the base output when the gas to be detected does not exist in the atmosphere.

  The power generation unit 16 is configured by a manual generator that generates power when the operator manually operates the power generation unit 16. The power generation unit 16 generates power for the gas detector 1 to perform various operations. The power generation unit 16 is connected to the control unit 14. The electric power generated in the power generation unit 16 is supplied to each part of the gas detector 1 via the control unit 14.

The power generation unit 16 is a rotary generator that generates electric power by rotating, and includes a rotary handle 30 and a power generation mechanism (not shown). The rotary handle 30 includes a rotary base 31, an arm 32, and a knob portion 33.
The turntable 31 is rotatably provided on the side portion of the main body case 2. The turntable 31 is disposed at a substantially central portion in the longitudinal direction of the main body case 2.
The arm 32 is provided on the turntable 31 with a pin (not shown) inserted through one end thereof. The arm 32 is configured to be rotatable about the pin as a rotation axis.
The knob 33 is provided at the other end of the arm 32 through which a pin (not shown) is inserted. The knob 33 is configured to be rotatable about the pin as a rotation axis.

When operating the power generation unit 16, first, the knob portion 33 of the rotary handle 30 is held in contact with the other end in the longitudinal direction of the main body case 2 (the side opposite to the side where the control case 3 of the main body case 2 is provided). From this state, the arm 32 is turned to one end side in the longitudinal direction of the main body case 2 (see FIG. 5). In the power generation unit 16, in such a state, the operator picks the knob 33 of the rotary handle 30 and rotates the rotary base 31 together with the arm 32 to drive the power generation mechanism in the main body case 2 (see FIG. 6). . By operating in this way, the power generation unit 16 generates power.
And the sensor part 11 performs operation | movement which detects to-be-detected gas with the electric power which the electric power generation part 16 generated.

  The gas detector 1 can also be configured to notify the operator of the state in which the power generation unit 16 is generating power. For example, the gas detector 1 includes a light emitting member (such as an LED), and the light emitting member emits light when the power generation unit 16 is generating power. For example, the gas detector 1 includes a sound generation mechanism (buzzer or the like), and the sound generation mechanism emits sound when the power generation unit 16 is generating power.

As described above, in the gas detector 1 including the manual power generation unit 16, the power generation unit 16 generates power when the operator manually operates, and the sensor unit 11 is detected by the power generated by the power generation unit 16. An operation to detect gas is performed.
Therefore, according to the gas detector 1, the detection of the gas to be detected is ensured even in a situation where it is difficult to secure electric power, such as a place where electricity does not pass (such as unopened land) or an earthquake disaster. It can be carried out.

The sensor unit 11 can also be configured to be exchangeable with one corresponding to various detected gases.
At this time, the sensor unit 11 is modularized using a low power consumption gas sensor (for example, a gas sensor such as an electrochemical sensor or an optical sensor).

  As described above, in the gas detector 1 configured so that the sensor unit 11 can be replaced with one corresponding to the gas to be detected, the sensor unit 11 is replaced according to the application to detect various gas to be detected. Can do.

  Next, the gas detector 1 shown in FIGS. 7 and 8 will be described.

  As shown in FIGS. 7 to 8, the gas detector 1 includes a main body case 2, a control case 3, a sensor unit 11, a display unit 12, an alarm unit 13, a control unit 14, and a base output adjustment unit. 15, a power generation unit 16, and a power storage unit 18.

  The power storage unit 18 includes a power storage device that stores the power generated by the power generation unit 16. The power storage unit 18 is configured to store power that allows the gas detector 1 to operate for several minutes (for example, 3 minutes). The electric power stored in the power storage unit 18 is supplied to each part of the gas detector 1 via the control unit 14. The power storage unit 18 is disposed in the main body case 2.

  The sensor unit 11 performs an operation of detecting the gas to be detected by the electric power generated by the power generation unit 16 and stored in the power storage unit 18.

  The first LED 12a of the display unit 12 is turned on, for example, when power is supplied from the power storage unit 18 and the sensor unit 11 can detect the gas to be detected, and the supply of power from the power storage unit 18 is stopped to detect the sensor. The unit 11 is set to be turned off when the gas to be detected cannot be detected. Further, for example, the first LED 12 a may be set to blink when the electric power capable of detecting the gas to be detected in the sensor unit 11 is stored in the power storage unit 18.

As described above, in the gas detector 1 including the power storage unit 18, the sensor unit 11 performs an operation of detecting the gas to be detected using the power generated by the power generation unit 16 and stored in the power storage unit 18.
For this reason, in the gas detector 1, before performing the operation | work which detects to-be-detected gas, it can be set as the state by which the electric power generated by the electric power generation part 16 was beforehand accumulate | stored in the electrical storage part 18. FIG.
Therefore, according to the gas detector 1, the operation of detecting the gas to be detected can be performed without the operation of the power generation unit 16 during the operation of detecting the gas to be detected, and the operation of detecting the gas to be detected can be performed. It can be done easily.

Further, the gas detector 1 includes a detection switch 19.
The detection switch 19 is connected to the control unit 14. The detection switch 19 is configured to start or stop the operation of detecting the gas to be detected when the operator performs an ON or OFF operation. The detection switch 19 is provided on the side portion of the main body case 2. The detection switch 19 is disposed on the side surface of the main body case 2 that faces the side surface on which the power generation unit 16 is disposed.
When the detection switch 19 is turned on, power is supplied from the power storage unit 18 to the sensor unit 11, and the sensor unit 11 starts an operation of detecting the gas to be detected. When the detection switch 19 is turned off, the supply of power from the power storage unit 18 to the sensor unit 11 is stopped, and the operation of the sensor unit 11 detecting the gas to be detected is stopped.

As described above, in the gas detector 1 including the detection switch 19, when the detection switch 19 is operated, power is supplied from the power storage unit 18 to the sensor unit 11, and the sensor unit 11 detects the gas to be detected. In addition, the supply of electric power from the power storage unit 18 to the sensor unit 11 is stopped, and the operation of the sensor unit 11 detecting the gas to be detected is stopped.
For this reason, in the gas detector 1, the supply of power from the power storage unit 18 to the sensor unit 11 can be stopped by turning off the detection switch 19 until the operation of detecting the gas to be detected is started.
Therefore, according to the gas detector 1, it is possible to prevent the electric power charged in the charging unit before the operation of detecting the detected gas from being lost and the operation of detecting the detected gas from being disabled.

The sensor unit 11 is configured to prevent contact with the measured atmosphere when the operation for detecting the detected gas is not performed, and to contact the measured atmosphere when the operation for detecting the detected gas is performed. You can also.
At this time, the sensor unit 11 has an opening / closing part composed of a lid member, a filter member, or the like, and prevents the contact with the measured atmosphere by opening / closing the opening / closing part, or is configured to contact the measured atmosphere. To do.

  Next, the gas detector 1 shown in FIGS. 7, 9, and 10 will be described.

  As shown in FIGS. 7 and 9 to 10, the gas detector 1 includes a main body case 2, a control case 3, a sensor unit 11, a display unit 12, an alarm unit 13, a control unit 14, and a base. An output adjustment unit 15, a power generation unit 16, a power storage unit 18, a detection switch 19, an inspection unit 20, and an inspection switch 21 are provided.

  The inspection unit 20 checks whether or not the operation of detecting the gas to be detected in the sensor unit 11 by the power generated by the power generation unit 16 is normally performed. The inspection unit 20 is connected to the control unit 14. The inspection unit 20 is disposed in the control case 3.

  The inspection switch 21 is operated to check whether the operation of the inspection unit 20 (operation for detecting the gas to be detected is normally performed in the sensor unit 11) when the operator performs an ON or OFF operation. ) Is configured to start or stop. The inspection switch 21 is connected to the control unit 14. The inspection switch 21 is arranged in the operation tool arrangement unit 3 a of the control case 3.

As described above, in the gas detector 1 including the inspection unit 20, the inspection unit 20 can perform an inspection operation as to whether or not the operation of detecting the gas to be detected in the sensor unit 11 is normally performed.
Therefore, in the gas detector 1, it is possible to know in advance that a malfunction has occurred in the sensor unit 11, and when the operation of detecting the gas to be detected is performed, the malfunction is caused by the malfunction of the sensor unit 11. It can be prevented that the detection gas cannot be detected.

In the gas detector 1, a selection unit that can select whether or not the electric power generated by the power generation unit 16 is stored in the power storage unit 18 may be provided. By providing such a configuration, for example, in a state where electric power is stored in the power storage unit 18, the power generation unit is configured such that the power generated by the power generation unit 16 is not stored in the power storage unit 18 by operating the selection unit. While the power is generated at 16, the sensor unit 11 is inspected by the inspection unit 20 with the electric power generated by the power generation unit 16. In this way, the sensor unit 11 can be inspected by the inspection unit 20 without consuming the power stored in the power storage unit 18, and immediately after the inspection of the sensor unit 11, The detected gas can be detected by the sensor unit 11 using the generated electric power.
The gas detector 1 does not include the power storage unit 18 and the detection switch 19, but the main body case 2, the control case 3, the sensor unit 11, the display unit 12, the alarm unit 13, and the control unit 14. The base output adjustment unit 15, the inspection unit 20, and the inspection switch 21 may be provided.

  Next, the gas detector 1 shown in FIGS. 7, 11, and 12 will be described.

  As shown in FIGS. 7 and 11 to 12, the gas detector 1 includes a main body case 2, a control case 3, a sensor unit 11, a display unit 12, an alarm unit 13, a control unit 14, and a base. An output adjustment unit 15, a power generation unit 16, a power storage unit 18, a detection switch 19, a suction unit 22, and a suction switch 23 are provided.

  The suction unit 22 is configured by an electric suction pump, and sucks the gas to be detected from the upper surface of the control case 3 into the control case 3. The suction unit 22 sucks the gas to be detected and distributes it to the sensor unit 11. The suction unit 22 is connected to the control unit 14. The suction part 22 is disposed in the control case 3.

  The suction switch 23 is configured to start or stop the operation of sucking the gas to be detected in the suction unit 22 when an operator performs an ON or OFF operation. The suction switch 23 is connected to the control unit 14. The suction switch 23 is arranged in the operation tool arrangement part 3 a of the control case 3.

As described above, in the gas detector 1 including the suction unit 22, the gas to be detected is sucked by the suction unit 22 and is distributed to the sensor unit 11.
For this reason, in the gas detector 1, compared with the thing of the structure which waits until it distribute | circulates to the sensor part 11 without sucking the to-be-detected gas, the detection of the to-be-detected gas by the sensor part 11 can be performed quickly.
Therefore, in the gas detector 1, the operation | work which detects to-be-detected gas can be performed efficiently and reliably.

  The gas detector 1 may be configured to include an inspection unit 20 and an inspection switch 21 in addition to the above configuration. Further, the gas detector 1 does not include the power storage unit 18 and the detection switch 19, but the main body case 2, the control case 3, the sensor unit 11, the display unit 12, the alarm unit 13, the control unit 14, The base output adjustment unit 15, the suction unit 22, and the suction switch 23 may be included.

  Next, the gas detector 1 shown in FIGS. 7, 13, and 14 will be described.

  As shown in FIGS. 7, 13 to 14, the gas detector 1 includes a main body case 2, a control case 3, a sensor unit 11, a display unit 12, an alarm unit 13, a control unit 14, and a base. Output adjustment unit 15, power generation unit 16, power storage unit 18, detection switch 19, suction unit 22, suction switch 23, detected gas storage unit 24, stored gas switch 25, and clean air storage unit 26 And a stored air switch 27.

  The detected gas storage unit 24 temporarily stores the detected gas sucked into the control case 3 by the suction unit 22. The detected gas storage unit 24 distributes the stored detected gas to the sensor unit 11 as necessary. The detected gas storage unit 24 is connected to the control unit 14. The detected gas storage unit 24 is disposed in the control case 3.

  The stored gas switch 25 is configured to start or stop the operation of circulating the detected gas in the detected gas storage unit 24 to the sensor unit 11 when the operator performs an ON or OFF operation. . The stored gas switch 25 is connected to the control unit 14. The stored gas switch 25 is arranged in the operation tool arrangement part 3 a of the control case 3.

As described above, in the gas detector 1 including the detected gas storage unit 24, the detected gas sucked by the suction unit 22 is stored in the detected gas storage unit 24, and the stored detected gas is stored as necessary. Is distributed to the sensor unit 11.
For this reason, in the gas detector 1, the operation of sucking the gas to be detected and the operation of detecting the gas to be detected can be performed separately.

Further, in the gas detector 1, a gas for confirming the storage state of the detection gas in the detection gas storage unit 24 (the state regarding whether or not the detection gas storage unit 24 has been filled with the suctioned detection gas) is confirmed. Storage status confirmation means may be provided. At this time, the gas detector 1 detects the detected gas storage unit 24 when the detected gas storage unit 24 is filled with the detected gas based on the confirmation of the gas storage status confirmation unit. The flow path may be controlled so as to block the gas inflow, or the suction of the detected gas by the suction unit 22 may be stopped.
The gas detector 1 is configured to control the flow path of the gas to be detected so that the gas to be detected sucked by the suction part 22 is discharged to the outside or introduced into the sensor part 11 or the gas storage part 24 to be detected. But you can. For example, the flow for controlling the flow path of the gas to be detected so that the gas to be detected sucked by the suction portion 22 flows into the sensor portion 11 (the gas storage portion to be detected 24) when the power storage in the power storage portion 18 is completed. A path control mechanism may be provided. The flow path control mechanism may be configured to switch the flow path of the gas to be detected by a switch, and based on a change in the state of the gas detector 1 (for example, sufficient storage in the power storage unit 18). It may be configured to automatically switch the gas flow path.

  The clean air storage unit 26 stores clean air in advance. The clean air storage unit 26 distributes the stored clean air to the sensor unit 11 as necessary (when the base output adjustment mechanism 17 performs zero point adjustment based on the base output). The clean air storage unit 26 is connected to the control unit 14. The clean air storage unit 26 is disposed in the control case 3.

  The stored air switch 27 is configured to start or stop the operation of circulating the clean air in the clean air storage unit 26 to the sensor unit 11 when the operator performs an ON or OFF operation. The stored air switch 27 is connected to the control unit 14. The stored air switch 27 is arranged in the operation tool arrangement part 3 a of the control case 3.

As described above, in the gas detector 1 including the clean air storage unit 26, when the clean air is stored in advance in the clean air storage unit 26 and, for example, the zero output is adjusted by the base output by the base output adjustment mechanism 17, The stored clean air can be circulated through the sensor unit 11.
For this reason, in the gas detector 1, it is possible to easily perform the zero point adjustment based on the base output by the base output adjustment mechanism 17.

The gas detector 1 may be provided with a clean air storage state confirmation means for confirming the storage state of the clean air storage unit 26 (the state regarding whether or not the clean air storage unit 26 is filled with clean air).
The gas detector 1 blocks the flow path from the detected gas storage unit 24 or the clean air storage unit 26 to the sensor unit 11 and the like based on the confirmation of the gas storage status confirmation unit or the clean air storage status confirmation unit. You may comprise as follows. For example, when all of the detected gas stored in the detected gas storage unit 24 is exhausted, or when all of the clean air stored in the clean air storage unit 26 is exhausted, the detected gas storage unit 24 or It is set as the structure which interrupts | blocks the flow path from the clean air storage part 26 to the sensor part 11 grade | etc.,.
The gas detector 1 may be configured to include an inspection unit 20 and an inspection switch 21 in addition to the above configuration. The gas detector 1 may be configured to include the clean air storage unit 26 and the stored air switch 27 without including the detected gas storage unit 24 and the stored gas switch 25. The gas detector 1 may be configured to include the detected gas storage unit 24 and the stored gas switch 25 without including the clean air storage unit 26 and the stored air switch 27. The gas detector 1 does not include the power storage unit 18 and the detection switch 19 and / or the suction unit 22 and the suction switch 23, but the main body case 2, the control case 3, the sensor unit 11, and the display unit 12. The alarm unit 13, the control unit 14, the base output adjustment unit 15, the detected gas storage unit 24, the stored gas switch 25, the clean air storage unit 26, and the stored air switch 27. May be.

  Next, the gas detector 1 described in FIGS. 7, 15 and 16 will be described.

  As shown in FIGS. 7, 15 to 16, the main body case 2, the control case 3, the sensor unit 11, the display unit 12, the alarm unit 13, the control unit 14, the base output adjustment unit 15, The power generation unit 16, the power storage unit 18, the detection switch 19, the suction unit 22, the detected gas storage unit 24, the stored gas switch 25, the clean air storage unit 26, and the stored air switch 27 are provided.

The power generation unit 16 and the suction unit 22 are integrally configured.
The suction unit 22 is configured by a manual suction pump that performs an operation of sucking the gas to be detected when the operator manually operates the suction unit 22. The suction unit 22 performs an operation of sucking the gas to be detected when the operator manually operates the power generation unit 16. The suction part 22 performs an operation of sucking the gas to be detected by the operator holding the knob part 33 of the power generation part 16 and rotating the rotary table 31 together with the arm 32. The suction unit 22 is configured in common with the power generation unit 16 for the power (operator) of the operation of sucking the gas to be detected.

As described above, in the gas detector 1, when the operator manually operates the power generation unit 16, the suction unit 22 performs an operation of sucking the detected gas.
Therefore, according to the gas detector 1, it is possible to perform the operation of sucking the gas to be detected by the suction unit 22 even in a situation where it is difficult to secure power. Moreover, according to the gas detector 1, since the motive power for operating the power generation unit 16 and the motive power for operating the suction unit 22 are common, even the one having the suction unit 22 can be configured compactly.

  The gas detector 1 may be configured to include an inspection unit 20 and an inspection switch 21 in addition to the above configuration. The gas detector 1 does not include the power storage unit 18 and the detection switch 19, the detected gas storage unit 24 and the stored gas switch 25, and / or the clean air storage unit 26 and the stored air switch 27. The control case 3, the sensor unit 11, the display unit 12, the alarm unit 13, the control unit 14, the base output adjustment unit 15, the power generation unit 16, and the suction unit 22. Good.

  Next, the gas detector 1 shown in FIG. 17 will be described.

As shown in FIG. 17, the gas detector 1 includes a main body case 2, a control case 3, and a sensor case 4.
The control case 3 is configured in a substantially truncated cone shape.
The sensor case 4 is configured separately from the control case 3. The sensor case 4 has an inlet (not shown) through which a gas to be detected flows into the sensor case 4 in a part of the side surface.
The sensor unit 11 is disposed in the sensor case 4 and detects a gas to be detected that flows into the sensor case 4. The sensor unit 11 is connected to the control case 3 (control unit 14) by wire. The electric power generated in the power generation unit 16 is supplied to the sensor unit 11 via the wire 5. Information detected by the sensor unit 11 is transmitted to the control case 3 (control unit 14) via wired communication.
In the gas detector 1, the sensor case 4 (sensor unit 11) is configured separately from the control case 3 (such as the control unit 14 in the control case 3), and is separated from the control case 3 and the main body case 2 (operator). The detected gas at the specified position is detected.

As described above, the gas detector 1 in which the sensor unit 11 is configured separately from the main body case 2 can detect the detected gas at a position away from the operator. In the gas detector 1, for example, the sensor unit 11 is inserted into the manhole, and the gas to be detected in the manhole can be detected without an operator entering the manhole.
Therefore, the gas detector 1 can perform an operation of detecting the gas to be detected even in a place where it is difficult for an operator to enter.

  Next, the gas detector 1 shown in FIGS. 18 and 19 will be described.

  As shown in FIGS. 18 to 19, the gas detector 1 includes a main body case 2, a control case 3, a sensor case 4, a sensor unit 11, a display unit 12, an alarm unit 13, and a control unit 14. , A base output adjustment unit 15, a power generation unit 16, a power storage unit 18, and a detection switch 19.

In the gas detector 1, the sensor case 4 (sensor unit 11) is configured separately from the control case 3 (such as the control unit 14 in the control case 3), and is separated from the control case 3 and the main body case 2 (operator). The detected gas at the specified position is detected.
The sensor unit 11 is connected to the control case 3 (control unit 14) by wireless communication. Information detected by the sensor unit 11 is transmitted to the control case 3 (control unit 14) via wireless communication. Since the electric power generated in the power generation unit 16 is not connected via the wire 5, it is not supplied from the main body case 2 to the sensor unit 11.
The sensor unit 11 includes a sensor power generation unit 28 and a sensor power storage unit 29.

  The sensor power generation unit 28 is a manual generator that generates electric power by manual operation by an operator, and is configured as a generator for the sensor unit 11. The sensor power generation unit 28 generates electric power for performing an operation of communicating with the control unit 14 in the sensor unit 11 and an operation of detecting the detected gas in the sensor unit 11. The sensor power generation unit 28 is disposed in the sensor case 4.

  The sensor power storage unit 29 is a power storage device that stores the power generated by the sensor power generation unit 28, and is configured as a power storage device for the sensor unit 11. The sensor power storage unit 29 is configured to store power that allows the sensor unit 11 to operate for several minutes (for example, 3 minutes). The sensor power storage unit 29 is disposed in the sensor case 4.

As described above, information detected by the sensor unit 11 is transmitted to the control unit 14 via wireless communication, and the sensor unit 11 includes the sensor power generation unit 28 (the generator for the sensor unit 11) and the sensor power storage unit 29 (the sensor unit). 11, the sensor unit 11 detects the gas to be detected by the electric power generated by the sensor power generation unit 28 and stored in the sensor power storage unit 29.
For this reason, in the gas detector 1, even if it is the structure where electric power is not supplied to the sensor part 11 from the main body case 2, the to-be-detected gas of the position away from the operator can be detected.

In the above example, the sensor power generation unit 28 and the sensor power storage unit 29 are provided in the sensor unit 11. However, the present invention is not limited to such a configuration, and the sensor unit 11 includes a primary battery (for example, a dry battery) and supplies the primary battery as a power source. It is good also as a structure driven as. With this configuration, when the gas detector 1 is used, only the power required for driving the main body case 2 can be used if it is generated by the power generation unit 16 (manual generator). The time required for power generation when using the can be reduced.
Further, the sensor unit 11 may be provided with a storage unit that stores information on detection gas to be detected. With this configuration, information detected by the sensor unit 11 can be stored in the storage unit of the sensor unit 11 while the main body case 2 side (storage device of the control unit 14) is not driven. In addition, after the main body case 2 side is driven, information stored in the storage unit of the sensor 11 can be transmitted to the main body case 2 side.
Further, the gas detector 1 may be configured such that engagement means is provided in the sensor case 4 and the control case 3 (or the main body case 2), and these can be attached and detached by the engagement means. With this configuration, when the sensor case 4 is attached to the control case 3 (or the main body case 2), these are electrically connected, and the electric power generated by the power generation unit 16 is the sensor case 4 The sensor power storage unit 29 may be configured to store power. In this case, the body case 2 may be provided with a continuity switching means for switching whether the power generated by the power generation unit 16 is conducted to the power storage unit 18 or the sensor power storage unit 29.
Without providing the continuity switching means, the gas detector 1 may be configured to control to store electricity to either one of the electricity storage unit 18 and the sensor electricity storage unit 29 when the electricity storage to the other is completed. Good.
In addition to the above configuration, the gas detector 1 includes an inspection unit 20 and an inspection switch 21, a detected gas storage unit 24 and a stored gas switch 25, and / or a clean air storage unit 26 and a stored air switch 27. The structure provided may be sufficient. Further, the gas detector 1 does not include the power storage unit 18 and the detection switch 19, but includes a main body case 2, a control case 3, a sensor case 4, a sensor power generation unit 28, and a sensor power storage unit 29. 11, a display unit 12, an alarm unit 13, a control unit 14, a base output adjustment unit 15, and a power generation unit 16.

  Next, the gas detector 1 shown in FIGS. 20 and 21 will be described.

As shown in FIGS. 20 to 21, in the gas detector 1, the power generation unit 16 is a press-type generator that generates electric power by pressing, and includes a lever 34, a power generation mechanism (not shown), and an attachment. It has a biasing member (not shown).
The lever 34 is grasped and pressed by an operator who is grasping the main body case 2, and is provided on a side portion of the main body case 2. The lever 34 is disposed at a substantially central portion in the longitudinal direction of the main body case 2. The lever 34 is biased by a biasing member in the main body case 2 and is configured to be movable in the short direction of the main body case 2. The lever 34 moves to the axial center side of the main body case 2 against the urging force of the urging member when pressed by the operator, and the urging force of the urging member when the pressing by the operator is released. Accordingly, the main body case 2 moves to the side opposite to the axial center side.
The power generation unit 16 drives the power generation mechanism in the main body case 2 by repeating the operation of grasping and pressing the lever 34. By operating in this way, the power generation unit 16 generates power.

At this time, the power generation unit 16 and the suction unit 22 can also be configured integrally.
The suction unit 22 is configured by a manual suction pump that performs an operation of sucking the gas to be detected when the operator manually operates the suction unit 22. The suction unit 22 performs an operation of sucking the gas to be detected when the operator manually operates the power generation unit 16. The suction unit 22 performs the operation of sucking the gas to be detected by repeating the operation of the operator holding and pressing the lever 34 of the power generation unit 16. The suction unit 22 is configured in common with the power generation unit 16 for the power (operator) of the operation of sucking the gas to be detected.
When configured as in the above example, until the power storage to the power storage unit 18 is completed, the flow path is controlled to discharge the suctioned detected gas, and at the stage where the power storage to the power storage unit 18 is completed, You may provide the flow-path control mechanism which controls a flow path so that the to-be-detected gas attracted | sucked flows into the sensor part 11. FIG.

  Next, the gas detector 1 shown in FIG. 22 will be described.

As shown in FIG. 22, in the gas detector 1, the power generation unit 16 is a vibration generator that generates electric power by vibrating, and is disposed in the main body case 2.
The power generation unit 16 drives (vibrates) a power generation mechanism (not shown) in the main body case 2 by repeating the operation of shaking the gas detector 1 while holding the main body case 2. By operating in this way, the power generation unit 16 generates power.

At this time, the power generation unit 16 and the suction unit 22 can also be configured integrally.
The suction unit 22 is configured by a manual suction pump that performs an operation of sucking the gas to be detected when the operator manually operates the suction unit 22. The suction unit 22 performs an operation of sucking the gas to be detected when the operator manually operates the power generation unit 16. The suction unit 22 performs the operation of sucking the gas to be detected by repeating the operation of shaking the gas detector 1 with the main body case 2 held. The suction unit 22 is configured in common with the power generation unit 16 for the power (operator) of the operation of sucking the gas to be detected.

The configuration of the gas detector 1 and each member of the gas detector 1 (main body case 2, control case 3, etc.) is not limited to the above-described example, and is a configuration that is easy for an operator to carry and grip. It is preferable. For example, the main body case 2 may be configured in a cylindrical shape, or may be configured with a non-slip member made of rubber or resin on the outer surface.
Further, the position where each member of the gas detector 1 (the display unit 12 base, the output adjusting unit 15, various operation tools such as a switch) is provided is not limited to the above example, and is provided at a position where the operator can easily operate. It is preferred that For example, each member of the gas detector 1 (the display unit 12 base, the output adjustment unit 15 and various operation tools such as a switch) is operated with the right hand while the operator grasps the main body case 2 with the left hand. It is preferable to be arranged at a possible position.
In addition, the position where the display unit 12 of the gas detector 1 is provided is not limited to the above example, and is preferably provided at a position where an operator can easily recognize the gas detector 1 while operating the gas detector 1. For example, the display unit 12 of the gas detector 1 is disposed at a position (upper side) that can be recognized by the operator when the operator holds the main body case 2 with the left hand and operates the power generation unit 14 with the right hand. It is preferred that

DESCRIPTION OF SYMBOLS 1 Gas detector 2 Main body case 3 Control case 11 Sensor part 12 Display part 13 Alarm part 14 Control part 15 Base output adjustment part 16 Power generation part 17 Base output adjustment mechanism 30 Handle 31 Turntable 32 Arm 33 Knob part

Claims (9)

A sensor unit for detecting the gas to be detected;
A power generation unit that generates power by manual operation by an operator;
With the electric power generated by the power generation unit, the sensor unit performs an operation of detecting the gas to be detected.
Gas detector. The power storage unit that stores the power generated by the power generation unit,
The sensor unit performs an operation of detecting the gas to be detected by the electric power stored in the power storage unit.
The gas detector according to claim 1. Equipped with a detection switch,
When the detection switch is operated, power is supplied from the power storage unit to the sensor unit, and the sensor unit starts an operation of detecting the detected gas. The supply of power to the unit is stopped and the sensor unit stops the operation of detecting the detected gas.
The gas detector according to claim 2. An inspection unit for checking whether or not the operation of detecting the detected gas in the sensor unit is normally performed by the power generated by the power generation unit;
The gas detector according to any one of claims 1 to 3. A suction part for sucking the detected gas and circulating it to the sensor part;
The gas detector according to any one of claims 1 to 4. A detected gas storage section for storing the detected gas sucked by the suction section;
If necessary, the detected gas stored in the detected gas storage unit is circulated to the sensor unit.
The gas detector according to claim 5. A clean air storage unit for storing clean air in advance is provided,
If necessary, distribute the clean air stored in the clean air storage unit to the sensor unit,
The gas detector according to any one of claims 1 to 6. The suction part performs an operation of sucking the detected gas when the operator manually operates, and sucks the detected gas when the worker manually operates the power generation part. Do the action,
The gas detector according to any one of claims 5 to 7. A main body case gripped by the operator when detecting the gas to be detected;
The sensor unit is configured separately from the main body case, and detects the gas to be detected at a position away from the operator.
The gas detector according to any one of claims 1 to 8.

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