JP2018071993A - Measurement device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a measurement device in which fitting positions and kinds of measurement modules are easy to recognize.SOLUTION: A measurement device displays on a display 77 the fitting positions and kinds of measurement modules, based on the data which describe the fitting positions and kinds of the measurement modules accommodated in the enclosure of the main unit. Thus, the display of the accommodation and the kinds of the measurement modules are shown on each display area 91 to 98 on the display 77 corresponding to the measurement module. Therefore, a user can easily recognize the specific measurement modules to be fitted and the specific position of the measurement device at which the measurement modules are fitted by the description of the display 77.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a measurement apparatus that collects data from a plurality of sensors.

  2. Description of the Related Art Conventionally, a measuring device in which a NOx sensor and a data collecting device are mounted on a vehicle is known in order to measure the NOx concentration contained in exhaust gas exhausted from an internal combustion engine while the vehicle is actually traveling on a road. (For example, see Patent Document 1).

  In addition, a technique for displaying measurement data measured by a plurality of sensors on a display of a computer or displaying various warnings on a display has been proposed (for example, see Patent Documents 2 and 3).

JP 2000-88711 A Japanese Patent No. 3415452 JP, 2006-40458, A

  However, as a measuring device for measuring a plurality of gas components in addition to the NOx concentration in exhaust gas, a measuring device in which a function for collecting and processing data from a plurality of sensors at once is incorporated in a plurality of sensors. When a problem occurs in collecting data from one of the sensors, it is necessary to replace and repair the entire measuring device, which is inconvenient for the user of the measuring device.

  As a countermeasure, each measurement module is connected to each sensor to process sensor signals, and the measurement device has a plurality of slots in which each measurement module can be detachably mounted so that a plurality of measurement modules can be accommodated. It is conceivable to provide

  In such a measurement apparatus having a plurality of slots, the same type (that is, the same measurement target) measurement module may be attached to each slot, or a measurement module occupying two or three slots may be attached. Therefore, there is a problem that it is difficult for the user to know the mounting state of the measurement module.

Specifically, there is a problem that it is difficult to understand what measurement module is mounted at which position of the measurement apparatus.
The present invention has been made in view of these problems, and an object of the present invention is to provide a measuring device in which the mounting position and type of the measuring module are easy to understand.

  (1) In the first aspect of the present invention, a plurality of measurement modules that are connected to the sensor, acquire a sensor output output from the sensor, and output the output to the outside are provided from each of the measurement modules. The present invention relates to a measuring device including a main body for collecting data.

The main body of the measurement device includes a housing, a data collection unit, at least one of an output unit and a storage unit, a display unit, and a display control unit.
The housing accommodates a plurality of measurement modules in a removable manner. The data collection unit collects data output from the measurement module housed in the housing. The output unit outputs the collected data to an external device, and the storage unit stores the collected data. The display unit displays at least data related to the measurement module. The display control unit displays the mounting position of the measurement module and the type of the measurement module on the display unit based on data indicating the mounting position of the measurement module and the type of the measurement module obtained from the data collected in the main body unit. .

  As described above, in the first aspect, the measurement module installation position and the measurement module type are displayed on the display unit based on the data indicating the measurement module installation position and the measurement module type stored in the housing. According to the contents displayed on the display unit, the user can easily grasp where the measurement module is accommodated (that is, mounted) (that is, the mounting related information).

  (2) According to the second aspect of the present invention, a plurality of measurement modules that are connected to the sensor, acquire a sensor output output from the sensor, and output the output to the outside are provided from each of the measurement modules. The present invention relates to a measuring device including a main body for collecting data.

The main body of the measuring device includes a housing, a data collection unit, at least one of an output unit and a storage unit, and an output control unit.
A housing | casing part accommodates a some measurement module so that attachment or detachment is possible. The data collection unit collects data output from the measurement module housed in the housing. The output unit outputs the collected data to an external device, and the storage unit stores the collected data. The output control unit outputs data related to the mounting position of the measurement module and the type of the measurement module obtained from the data collected in the main unit to the external device as display data to be displayed on the display unit of the external device. To do.

  As described above, in the second aspect, data related to the mounting position of the measurement module accommodated in the housing and the type of the measurement module is output to the external device as display data to be displayed on the display unit of the external device. . Therefore, the display unit of the external device can display the mounting position of the measurement module and the type of the measurement module on the external display unit based on the received display data. For this reason, the user can easily grasp where the measurement module is housed (that is, mounted) (that is, the mounting related information) in the measuring device based on the content displayed on the display unit of the external device. Play.

(3) In the third aspect of the present invention, the display area of the display unit is set according to the mounting positions of the plurality of measurement modules housed in the housing.
In the third aspect, a display area is set on the display unit in accordance with the mounting positions (for example, eight slots) of the plurality of measurement modules. For example, when there are eight slots, first to eighth display areas are set corresponding to each slot. Therefore, the user can easily grasp the mounting related information regarding the measurement module (that is, information on whether or not each measurement module is mounted and the type) based on the display contents of the display area displayed on the display unit.

(4) In the fourth aspect of the present invention, the plurality of measurement modules are arranged along a predetermined arrangement direction of the casing.
In the fourth aspect, since the plurality of measurement modules are arranged along a predetermined arrangement direction of the casing, the plurality of measurement modules can be efficiently accommodated in the casing.

  In addition, for example, by measuring the display area on the display unit by arranging the display areas corresponding to the arrangement of the measurement modules according to the arrangement (for example, the order) similar to the arrangement of the measurement modules, how to measure There is an advantage that it is possible to easily and intuitively grasp whether the modules are arranged.

(5) In the fifth aspect of the present invention, the measurement module is a member having a predetermined width in the arrangement direction, and the display area of the display unit is set according to the width.
In the fifth aspect, the display area of the display unit is set according to the width of the measurement module. For example, the size of each display area (for example, vertical and horizontal dimensions) corresponding to each measurement module is set in proportion to the width of the measurement module. Therefore, there is an advantage that the user can easily know what size measurement module is mounted at which position by looking at the display on the display unit.

  (6) In the sixth aspect of the present invention, the measurement module having the minimum length along the arrangement direction among the plurality of measurement modules is set as the minimum measurement module, and the length along the arrangement direction in the minimum measurement module is set as the minimum arrangement. In the case of the direction length, a plurality of measurement modules can be mounted along the arrangement direction at intervals of an integral multiple of the minimum arrangement direction length.

  Therefore, for example, by setting the length (for example, width) along the arrangement direction of each measurement module to an integer multiple of the minimum arrangement direction length, even for measurement modules with different widths, for example, There is an advantage that it can be arranged.

  (7) In the seventh aspect of the present invention, a multiple measurement module having a width that is an integral multiple of the minimum measurement module can be mounted, and the display unit has a display area having a size corresponding to the multiple measurement module.

  In the seventh aspect, when a multiple measurement module having a width that is an integral multiple (1 or 2 times or more) of the minimum measurement module is attached to the housing, the display unit corresponds to the width of the multiple measurement module. The mounting related information can be displayed in the size display area. Therefore, there is an advantage that the user can easily grasp what size of the measurement module is mounted at what position.

Note that the multiple measurement module having a width one time that of the minimum measurement module is the same as the minimum measurement module.
(8) In the eighth aspect of the present invention, the display unit displays on the display area corresponding to each measurement module in accordance with the operation state of each measurement module.

  In the eighth aspect, since the display unit displays in the display area corresponding to each measurement module according to the operation state of each measurement module, the user can easily grasp the operation state of each measurement module. Can do.

  As this operation state, it is desirable to give a warning in use such as normal state indicating that the sensor or measurement module is normal, abnormal state indicating that the sensor or measurement module is abnormal, for example, when the calibration time of the sensor or the like has elapsed, etc. Such a warning state, for example, a pre-startup state indicating a preparation period necessary until actual measurement is started, such as until the sensor element of the sensor reaches the activation temperature.

  In the above-described invention, when the position, type, and operation state of the measurement module are displayed on the display unit, these pieces of information may be collectively displayed on the same screen. Information (information on presence / absence of mounting, information on type, information on operating state, etc.) may be switched to a different screen for display.

It is a perspective view of the measuring device of a 1st embodiment. It is a perspective view of a measurement module and a sensor of a 1st embodiment. It is a perspective view of the main unit of 1st Embodiment. It is explanatory drawing which shows the relationship between each slot of the opening part of the main unit of 1st Embodiment, and each measurement module. It is explanatory drawing which shows the display screen of the display part in 1st Embodiment. (A) is explanatory drawing which shows the display area according to each slot of the display part of 1st Embodiment, (b) is explanatory drawing which shows the relationship between each display area and each function display column. It is a block diagram which shows the structure of the main unit of 1st Embodiment, and a measurement module. It is explanatory drawing which shows the structure of the module connection connector and unit connection connector of 1st Embodiment. It is a flowchart which shows the slot identification process of 1st Embodiment. It is a flowchart which shows the display process of 1st Embodiment. It is explanatory drawing which shows the display screen of the display part in 2nd Embodiment. It is explanatory drawing which shows the measurement module from which the width | variety used for 2nd Embodiment differs. It is explanatory drawing which shows the relationship between each display area and each function display column in 2nd Embodiment. It is explanatory drawing which displayed the state of the measurement module in each display area of 2nd Embodiment. It is explanatory drawing which shows the system configuration | structure of 3rd Embodiment.

Embodiments of the present invention will be described below with reference to the drawings.
[1. First Embodiment]
[1-1. Configuration of measuring device]
As shown in FIG. 1, the measuring device 1 of the first embodiment includes one main unit 3 and seven measuring modules 5a, 5b, 5c, 5d, 5e, 5f, and 5g. Hereinafter, the measurement modules 5a, 5b, 5c, 5d, 5e, 5f, and 5g are collectively referred to as the measurement module 5.

  Although FIG. 1 shows an example in which seven measurement modules 5 are mounted, this main unit 3 has eight minimum unit measurement modules (that is, minimum measurement modules) 5 mounted, as will be described later. It is configured to be able to.

Hereinafter, each configuration will be described in detail.
The main unit 3 includes a housing 7 and a handle 9.
The housing 7 is formed in a box shape of a rectangular parallelepiped (in the first embodiment, for example, height 270 mm × width 340 mm × depth 280 mm), and the components of the main unit 3 and the measurement module 5 are accommodated therein. To do.

  A rectangular opening 11 is formed in the front of the six surfaces constituting the rectangular parallelepiped of the casing 7, and the measurement module 5 is inserted into the casing 7 by inserting the measurement module 5 from the opening 11. It is detachably stored inside.

  In addition, each portion (each area) in which each minimum measurement module is accommodated in the opening 11 is each slot 12, and here, eight slots 12 so that eight minimum measurement modules can be accommodated. Is provided. That is, the opening 11 is configured by integrating the eight slots 12 together.

  The handle 9 is attached to the upper surface of the six surfaces constituting the rectangular parallelepiped of the housing 7. A user of the main unit 3 can carry the main unit 3 by holding the handle 9.

  Among the plurality of measurement modules 5, for example, the measurement module 5a introduces a part of the exhaust gas of the diesel engine therein, and the amount (PM) of particulate matter (Particulate Matter) contained in the exhaust gas of the diesel engine And a number (PN) measuring device. The measurement module 5b is a device that measures the concentration of nitrogen oxides contained in the exhaust gas using a NOx sensor. The measurement module 5c is a device that measures the concentration of ammonia contained in the exhaust gas using an ammonia sensor. The measurement module 5d is a device that measures the air-fuel ratio of exhaust gas using an air-fuel ratio sensor.

The other measurement modules 5e to 5g are also devices that measure the states of various measurement objects (the description thereof is omitted).
<Measurement module>
Next, the configuration of the measurement module 5 will be described.

The measurement module 5 includes a case 13, a mounting plate 15, a guide rail 17, a unit connection connector 19, and a sensor connection connector 21.
The case 13 is formed in a rectangular parallelepiped box shape, and houses the components of the measurement module 5 therein.

  The height Hc and the depth Dc of the case 13 are set in advance so that the measurement modules 5 have the same dimensions so that the measurement modules 5 are aligned in the horizontal direction and stored in the housing 7. Has been.

  The width Wc of the case 13 is set to be substantially an integral multiple of the slot width Ws (the width of the immediate minimum measurement module) that is the minimum unit of the width of the measurement module 5. The width Wc of the measurement module 5a is about twice the slot width Ws. In addition, the width Wc of the measurement modules 5b, 5c, 5d, 5e, 5f, and 5g is about 1 time the slot width Ws.

  The slot width Ws is the width of each slot 12 and corresponds to the width of the minimum measurement module (that is, corresponds to the widths of the measurement modules 5b, 5c, 5d, 5e, 5f, and 5g). .

The mounting plate 15 is a plate-like member formed in a rectangular shape having substantially the same height as the rectangular opening 11 and substantially the same width as the width Wc of the case 13.
A through-hole 23 for inserting a screw for fixing the measurement module 5 in a state of being housed in the main unit 3 is formed in a portion of the mounting plate 15 that is not in contact with the case 13.

  The guide rail 17 is attached to the upper surface and the lower surface of the six surfaces constituting the rectangular parallelepiped of the case 13 (in FIG. 1, the guide rail 17 attached to the lower surface is not shown). The guide rail 17 is provided so as to protrude from the upper surface and the lower surface along the direction from the front surface to the back surface constituting the rectangular parallelepiped of the case 13.

  The unit connection connector 19 is a connector for connecting the measurement module 5 to the main unit 3 and is attached to the back surface of the case 13. The unit connection connectors 19 have the same shape in each measurement module 5. As will be described later, each measurement module 5 is provided with one unit connector 19.

The sensor connection connector 21 is a connector for connecting the sensor 25 (see FIG. 2) to the measurement module 5, and is attached to the front surface of the attachment plate 15.
As shown in FIG. 2, the sensor 25 includes a sensor element 27, a connector 29, and a signal cable 31. The sensor element 27 detects a physical quantity corresponding to the function of the connected measurement module 5. The connector 29 has a structure in which the sensor connection connector 21 of the measurement module 5 to which the sensor 25 is connected is detachably fitted. The signal cable 31 is a signal line that electrically connects the sensor element 27 and the connector 29.

  Therefore, the detection signal from the sensor 25 can be input to the measurement module 5 by fitting the connector 29 of the sensor 25 and the sensor connection connector 21 of the measurement module 5 together.

  For example, the sensors 25 connected to the measurement modules 5b, 5c, and 5d are a NOx sensor, an ammonia sensor, and an air-fuel ratio sensor, respectively. The NOx sensor, the ammonia sensor, and the air-fuel ratio sensor are direct insertion sensors that are directly inserted into the exhaust pipe of the internal combustion engine.

<Main unit>
Next, the configuration and the like of the main unit 3 will be described.
As shown in FIG. 3, the main unit 3 includes a slot guide groove group 33, a module connection connector group 35, and a switch panel 37.

  The slot guide groove group 33 includes slot guide grooves 41, 42, 43, 44, 45, 46, 47, 48 that guide each measurement module 5 to eight preset slots 12, respectively.

  The slot guide grooves 41 to 48 are concave portions that can be fitted to the guide rails 17 provided on the upper surface and the lower surface of the case 13 of the measurement module 5, and are directed from the front side to the back side constituting the rectangular parallelepiped of the housing 7. It is installed so that it may extend along.

  In addition, the slot guide grooves 41 to 48 are installed near the upper side and the lower side that form the rectangle of the opening 11 (in FIG. 3, the slot guide grooves 41 to 48 installed near the upper side are not used. (Illustrated).

  The slot guide grooves 41 to 48 are slots along the arrangement direction Ds of the slots 12 (that is, the arrangement direction of the measurement modules 5) set in advance so as to be parallel to the upper side and the lower side constituting the rectangle of the opening 11. Installed for each width Ws.

For this reason, each measurement module 5 can be accommodated in each slot 12 corresponding to the slot guide grooves 41 to 48 in the following procedure.
First, when the measurement module 5 is inserted into the opening 11 from the outside of the housing 7, the upper and lower guide rails 17 of each measurement module 5 are provided in the vicinity of the upper and lower sides of the opening 11, respectively. It fits in each slot guide groove 41-48. Then, in a state where the guide rails 17 and the slot guide grooves 41 to 48 are fitted, the measurement modules 5 are moved into the housing 7 along the direction in which the slot guide grooves 41 to 48 extend. . Thereby, each measurement module 5 is accommodated in the housing 7.

In addition, since the measurement module 5a uses the two slots 12, it is accommodated in the housing | casing 7 using both slot guide grooves 41 and 42. FIG.
With such a procedure, each measurement module 5 can be accommodated in each slot 12 corresponding to each slot guide groove 41 to 48. Hereinafter, the slots 12 corresponding to the slot guide grooves 41 to 48 are respectively designated as first, second, third, fourth, fifth, sixth, seventh and eighth slots 61, 62, 63, 64, 65, 66, 67, 68 ( Refer to FIG.

  The module connection connector group 35 includes eight module connection connectors 51, 52, 53, 54, 55, 56, 57, 58 corresponding to each slot 12. The module connection connectors 51 to 58 are connectors for connecting the measurement modules 5 accommodated in the first to eighth slots 61 to 68 to the main unit 3, respectively.

  Further, the module connection connectors 51 to 58 are unit connections installed on the rear surfaces 71 and 73 (see FIG. 4) of each measurement module 5 in a state where each measurement module 5 is accommodated in the first to eighth slots. The connector 19 is installed at a position where it can be fitted.

  Specifically, as shown in FIG. 4, the module connection connector is provided on the wall surface 11a at the back of the opening 11 of the housing 7 for each slot 12 (that is, corresponding to the first to eighth slots 61 to 68). 51-58 are arranged.

  Then, when the measurement module 5a is pushed into the first and second slots 61 and 62, the module connection connector 51 is inserted into the measurement module 5a occupying the two slots 12 (specifically, the back surface 71 facing the wall surface 11a when accommodated). One unit connection connector 19 is provided at a position to be connected. Similarly, one unit connector 19 is provided in one measurement module 5 that occupies a plurality of slots 12.

  On the other hand, when the measurement modules 5b to 5g are pushed into the third to eighth slots 63 to 68 into the other measurement modules 5b to 5g occupying one slot 12 (specifically, the back surface 73 facing the wall surface 11a when accommodated). Further, one unit connection connector 19 is provided at a position where it is connected to each of the module connection connectors 53 to 58.

  The switch panel 37 includes a plurality of switches 75 for instructing the operation of the main unit 3, a display unit (that is, a liquid crystal display unit) 77 including an LCD (Liquid Crystal Display) indicating the operation status of the main unit 3, and the like. It includes an LED (Light Emitting Diode) lamp (not shown), and is installed on the front of the six surfaces constituting the rectangular parallelepiped of the housing 7.

<Display section>
Next, the configuration and the like of the display unit 77 will be described.
As shown in FIG. 5, the display unit 77 (specifically, its display surface 78) performs various displays and has a touch panel function.

  For example, a module display area 79 for displaying the contents related to each measurement module 5 is set along the left side of the display unit 77. In other areas, a plurality of operation buttons 81 for instructing the operation of the measuring apparatus 1 are set.

The module display area 79 is divided into eight areas (that is, individual display areas) corresponding to the eight slots 12.
Specifically, the module display area 79 shows information regarding the first slot 61 (that is, information regarding the measurement module 5 mounted in the first slot 61; the same applies hereinafter) from the top of FIG. 5 as individual display areas. 1 display area 91, a second display area 92 indicating information relating to the second slot 62, a third display area 93 indicating information relating to the third slot 63, a fourth display area 94 indicating information relating to the fourth slot 64, and a fifth slot. A fifth display area 95 indicating information regarding 65, a sixth display area 96 indicating information regarding the sixth slot 66, a seventh display area 97 indicating information regarding the seventh slot 67, and an eighth display indicating information regarding the eighth slot 68. An area 98 is set.

In FIG. 5, CH1, CH2, CH3, CH4, CH5, CH6, CH7, and CH8 are displayed to distinguish the first to eighth display areas 91 to 98.
For example, as shown in FIG. 1, one measurement module 5a is attached to the first and second slots 61 and 62, and the measurement modules 5b to 5 are the minimum measurement modules in the other third to eighth slots 63 to 68. When 5g is attached, a display as shown in FIG.

  Specifically, the first and second display areas 91 and 92 include one individual display area (here, the first display area 91 in the upper part of FIG. 6) in order to indicate that one measurement module 5a is provided. CH1 is displayed. Note that nothing is displayed in the second display area 92 (that is, there is no display of CH2).

  On the other hand, in the other third to eighth display areas 93 to 98, in order to show that the measurement modules 5b to 5g, which are the minimum measurement modules, are installed in the third to eighth slots 63 to 68, respectively. ~ CH8 is displayed.

  Note that when the measurement module 5 is mounted in the slot 12, the color of the corresponding individual display area is set to a specific color (for example, green) to indicate this. On the other hand, when the measurement module 5 is not installed in the slot 12, the color of the corresponding individual display area is set to a specific color (for example, white) and the CH is not displayed to indicate that. .

  Moreover, as shown in FIG.6 (b), it is mounted | worn with the 1st-9th display area 91-98 on the same screen as Fig.6 (a), or switching the screen of Fig.6 (a). The function of the measurement module 5 is displayed. That is, what display module is mounted in which display area is displayed.

Specifically, on the right side of the first to ninth display areas 91 to 98, a function display column 100 for displaying an object to be measured by each measurement module 5 is provided corresponding to each measurement module 5.
For example, in the first and second function display columns 101 and 102 of the first and second display areas 91 and 92 in which the measurement module 5a is mounted, the amount of the particulate matter that is the target to be measured by the measurement module 5a is displayed. Displayed PM and PN indicating the number of particulate matter are displayed.

  In addition, the third function display column 103 of the third display area 93 in which the measurement module 5b is mounted displays NOx indicating nitrogen oxide that is a target to be measured by the measurement module 5b.

In the fourth function display column 104 of the fourth display area 94 in which the measurement module 5c is mounted, CH3 indicating ammonia that is a target to be measured by the measurement module 5c is displayed.
In the fifth function display column 105 of the fifth display area 95 in which the measurement module 5d is mounted, O2 indicating the air-fuel ratio (and hence oxygen) that is the object measured by the measurement module 5d is displayed.

Similarly, the other sixth to eighth function display fields 106 to 108 display objects to be measured by the measurement modules 5e to 5g (not shown).
[1-2. Electrical configuration of measuring device]
Next, the electrical configuration of the measuring device 1 will be described.

  As shown in FIG. 7, the main unit 3 includes a power supply unit 111, a data input / output unit 113, a CAN (Controller Area Network) interface circuit (hereinafter referred to as a CAN I / F circuit) 115, an internal memory 117, and an operation control circuit 119. The main CPU (Central Processing Unit) 121 is provided.

The power supply unit 111 includes a power connector 123, a fuse 125, a power circuit 127, and a regulator 129.
The power connector 123 is a connector connected to the battery VB in order to input a battery voltage from the battery VB.

  The power supply circuit 127 inputs a battery voltage from the battery VB via the fuse 125, and generates a voltage of 12V from the battery voltage. The power supply circuit 127 outputs the generated 12V voltage from the 12V terminal 132 of the module connection connectors 51 to 58.

  The regulator 129 receives a 12V voltage from the power supply circuit 127 and generates a 5V voltage. The regulator 129 outputs the generated 5V voltage to the data input / output unit 113, the CAN I / F circuit 115, the internal memory 117, the operation control circuit 119, the main CPU 121, and the switch panel 37.

  The data input / output unit 113 includes a USB (Universal Serial Bus) memory module 141, a CANI / F circuit 142, a USB interface module 143, an OBD (On Board Diagnosis) 2 interface module 144, a GPS (Global Positioning System) interface module 145, Bluetooth. (Registered trademark) interface module 146 is provided.

  Hereinafter, the USB interface module 143, the OBD2 interface module 144, the GPS interface module 45, and the Bluetooth interface module 146 are referred to as a USB I / F module 143, an OBD2 I / F module 144, a GPS I / F module 145, and a BTI / F module 146, respectively.

  The data input / output unit 113 includes a USB memory connector 151, a CAN communication connector 152, a USB connector 153, an OBD2 connector 154, and a GPS connector 155.

The USB memory module 141 transmits and receives data to and from a USB memory connected via the USB memory connector 151 by a method compliant with the USB standard.
The CAN I / F circuit 142 transmits / receives data to / from a device (for example, a personal computer (ie, personal computer) 161) connected via the CAN communication connector 152 in accordance with the CAN communication protocol. Note that the personal computer 161 may not be connected.

The USB I / F module 143 transmits and receives data to and from a device connected via the USB connector 153 by a method compliant with the USB standard.
The OBD2 I / F module 144 transmits and receives data to and from a device (for example, an in-vehicle ECU (Electronic Control Unit) 163) connected via the OBD2 connector 154 by a method compliant with the OBD2 standard.

  The GPS I / F module 145 is an interface for connecting a GPS receiver (not shown) that receives satellite signals from GPS satellites to the main unit 3 via the GPS connector 155.

The BTI / F module 146 performs short-range wireless communication by a method compliant with the Bluetooth standard.
The CAN I / F circuit 115 transmits and receives data between the measurement module 5 connected to the CAN_H terminal 134 and the CAN_L terminal 135 (see FIG. 8) of the module connection connectors 51 to 58 in accordance with the CAN communication protocol.

The internal memory 117 is a storage device for storing various data.
The operation control circuit 119 outputs input operation information for specifying an input operation performed by the user via the switch 75 of the switch panel 37 to the main CPU 121. Further, the operation control circuit 119 controls the display operation on the display unit 77 of the switch panel 37 based on an instruction from the main CPU 121.

  The main CPU 121 executes various processes based on inputs from the data input / output unit 113, the CAN I / F circuit 115, the internal memory 117, and the operation control circuit 119, and the data input / output unit 113, the CAN I / F circuit 115, the internal memory 117. The operation control circuit 119 is controlled.

For example, the main CPU 121 stores measurement data received from the measurement module 5 via the CAN I / F circuit 115 in the internal memory 117.
Further, the main CPU 121 outputs the measurement data received from the measurement module 5 to the personal computer 161 connected to the CANI / F circuit 142 and the like.

Further, as will be described later, the main CPU 121 performs a process of displaying the mounted state and type of the mounted measurement module 5 and the operation state on the display unit 77.
On the other hand, the measurement module 5 includes a CANI / F circuit 171 and a module CPU 173.

The CAN I / F circuit 171 transmits / receives data to / from the main unit 3 according to the CAN communication protocol.
The module CPU 173 executes various processes based on inputs from the sensor 25 and the CANI / F circuit 171 and controls the sensor 25 and the CANI / F circuit 171.

  Further, as shown in FIG. 8, the module connection connectors 51 to 58 of the main unit 3 include VB terminals 131, 12V terminals 132, GND terminals 133, CAN_H terminals 134, CAN_L terminals 135, and slot identification terminals 136 and 137, respectively. A plurality of terminals are provided. The unit connection connector 19 of the measurement module 5 includes terminals corresponding to the plurality of terminals of the module connection connectors 51 to 58.

  The VB terminal 131 is a terminal for supplying the battery voltage from the battery VB to the measurement module 5. The 12V terminal 132 is a terminal for supplying a 12V voltage from the power supply circuit 127 to the measurement module 5. The GND terminal 133 is a terminal for grounding the measurement module 5. The CAN_H terminal 134 and the CAN_L terminal 135 are terminals for performing CAN communication between the main unit 3 and the measurement module 5.

  The slot identification terminals 136 and 137 are terminals for identifying the slot 12 to which the measurement module 5 is connected. One end and the other end of a slot identification resistor 175 are connected to the slot identification terminal 136 and the slot identification terminal 137, respectively.

  Slot identification resistors 175 having different resistance values are connected to the module connection connectors 51 to 56. In the first embodiment, the module connector 51, 52, 53, 54, 55, 56, 57, 58 has (each slot) 1 kΩ, 5 kΩ, 10 kΩ, 15 kΩ, 20 kΩ, 25 kΩ, 30 kΩ, 35 kΩ slots. An identification resistor 175 is connected.

These eight resistance values are the slot resistance values (first to third slot resistance values).
[1-3. Control processing]
<Slot identification processing>
Next, a procedure of slot identification processing executed by the module CPU 173 of the measurement module 5 will be described.

The slot identification process is started after the module CPU 173 is activated by supplying a voltage from the VB terminal 131 or the 12V terminal 132 of the measurement module 5.
When the slot identification process is started, the module CPU 173 first performs the step between the terminals corresponding to the slot identification terminals 136 and 137 in the unit connection connector 19 in step (hereinafter referred to as S) 100 as shown in FIG. The resistance value of the slot identification resistor 175 is calculated by passing a current having a preset identification current value and measuring the voltage between both terminals.

  In the following step 110, it is determined whether the resistance value calculated in step 100 is coincident with any of preset first to eighth slot resistance values. Then, slot connection information indicating that the measurement module 5 is connected to the slot corresponding to the slot value resistance value determined to match is transmitted to the main unit 3 by CAN communication, and the slot identification is performed. The process ends.

  The slot connection information includes only the mounting position information indicating which position the measurement module 5 is mounted on, that is, which module connection connector 51 to 58 (and hence which slot 12) among the eight module connection connector groups 35. Instead, function information indicating the type of the measurement module 5 (that is, the type of the measurement module 5 that performs the measurement) is included.

<Display processing>
Next, a procedure of display processing (that is, processing displayed on the display unit 77) executed by the main CPU 121 of the main unit 3 will be described.

This process is performed when the power of the measuring apparatus 1 is turned on.
As shown in FIG. 10, first, in step 200, slot connection information (that is, mounting position information and function information) is received from the measurement module 5 mounted in each slot 12.

  In the subsequent step 210, for example, as shown in FIG. 6A, in each of the first to eighth display areas 91 to 98, a mark for each CH is displayed in the individual display area corresponding to the mounted measurement module 5. To do. That is, a CH mark is displayed so that it can be seen in which slot 12 the measurement module 5 is mounted.

Here, since one measurement module 5a is mounted in the first and second slots 61 and 62, the CH1 mark is displayed only in the first display area 91.
Further, for example, as shown in FIG. 6B, the first to eighth function display fields 101 adjacent to the first to eighth display areas 91 to 98 so that the type of the mounted measurement module 5 can be understood. The description of the type of the measurement module 5 may be displayed on .about.108.
[1-4. effect]
(1) In the first embodiment, the mounting position of the measurement module 5 and the type of the measurement module 5 are displayed based on data indicating the mounting position of the measurement module 5 housed in the housing 7 and the type of the measurement module 5. Since the information is displayed on the unit 77, the user can easily determine what measurement module 5 is accommodated (that is, mounted) (that is, mounting-related information) in the measuring device 1 according to the content displayed on the display unit 77. Can grasp.

  (2) In the first embodiment, the measurement module 5 is accommodated in each of the first to eighth display areas 91 to 98 corresponding to each measurement module 5 (and hence each slot 12) of the display unit 77. The type of display and measurement module 5 is displayed. Therefore, the user can easily grasp the mounting related information regarding the measurement module 5 based on the content displayed on the display unit 77.

  (3) In the first embodiment, the display area of the display unit 77 is set according to the width of the measurement module 5. Specifically, a display area corresponding to each measurement module 5 is set (that is, divided) in proportion to the width of the measurement module 5. For example, in the case of the measurement module 5a occupying two slots, a display area (for example, the first and second display areas 91 and 92) twice as large as the normal minimum unit display area is set. Therefore, the user can intuitively understand what size measurement module 5 is mounted at which position by looking at the display on the display unit 77.

(4) In the first embodiment, the width of each measurement module 5 is an integral multiple of the minimum arrangement direction length, and the display unit 77 has a display area having a size corresponding to the multiple measurement module.
Therefore, there is an advantage that the user can intuitively grasp what size of the measurement module 5 is mounted at what position.

  (5) In the first embodiment, the display unit 77 displays the function display fields 101 to 108 corresponding to the measurement modules 5 in accordance with the operation state of the measurement modules 5. The operation state of each measurement module 5 can be easily grasped.

  In addition to the effects described above, by mounting the measurement module 5 having the measurement function desired by the user in the housing 7, data desired by the user can be collected, and the convenience of the measurement apparatus 1 There is an advantage that the performance can be improved.

Further, when a failure occurs in the measurement module 5 mounted in the housing 7, the measurement module 5 in which the failure has occurred can be removed from the housing 7, so that a failure occurs in the measurement module 5. In addition, there is an advantage that the trouble can be solved without replacing the entire measuring apparatus 1 and the convenience of the measuring apparatus 1 can be improved.
[1-5. Correspondence with Claims]
Here, the correspondence of the wordings between the embodiment and the claims will be described.

In this embodiment, the sensor 25, the measurement module 5, the main unit 3, the measurement device 1, the housing 7, the CANI / F circuit 115, the personal computer 161, the main CPU 121, the internal memory 117, the display unit 77, and the display 211 are respectively present. An example of a sensor, a measurement module, a main body, a measurement device, a housing, a data collection unit, an external device, an output unit, a display control unit and an output control unit, a storage unit, a display unit, and a display unit (of an external device) It corresponds to.
[2. Second Embodiment]
Next, the second embodiment will be described, but the description of the same content as the first embodiment will be omitted. The same configuration as that of the first embodiment will be described using the same numbers.

In the second embodiment, since the content displayed on the display unit 77 is different, the display content will be described.
<Configuration of display contents>
First, basic display contents displayed on the display unit 77 will be described.

  As shown in FIG. 11, in the measurement apparatus 1 of the second embodiment, a module display area 79 similar to that of the first embodiment is set in the display unit 77. That is, the first to eighth display areas 91 to 98 are set corresponding to the first to eighth slots 61 to 68.

  In the second embodiment, one measurement module having a width three times the width Wc of the minimum measurement module as shown in FIG. 12A so as to occupy the first to third slots 61 to 63. 201 is attached.

  Further, as shown in FIG. 12B, one measurement module 203 having a width twice the width Wc of the minimum measurement module is mounted so as to occupy the fourth and fifth slots 64 and 65. Yes.

  Further, one measurement module 205 having a minimum measurement module width Wc as shown in FIG. 12C is mounted in each of the sixth to eighth slots 66 to 68.

Each of the measurement modules 201 to 205 is provided with a unit connection connector 19 at one place.
Therefore, when the measurement modules 201 to 205 having different widths are mounted as described above, the display unit 77 displays the information as shown in FIG.

  Specifically, in the first to third display areas 91 to 93 corresponding to the first to third slots 61 to 63 in which one measurement module 201 having a triple width is mounted, CH1 is displayed in the first display area 91. And the other second and third display areas 92 and 93 do not display CH. The first to third display areas 91 to 93 are integrated into one display area (a display area that is three times the normal display area).

  In the fourth and fifth display areas 94 and 95 corresponding to the fourth and fifth slots 64 and 65 in which one measurement module 203 having a double width is mounted, CH4 and CH4 are displayed in the fourth display area 91. The other fifth display area 95 is displayed, and CH is not displayed. The fourth to fifth display areas 94 and 95 are integrated into one display area (a display area twice the normal display area).

  Further, in the sixth to eighth display areas 96 to 98 corresponding to the sixth to eighth slots 66 and 68 in which one measurement module 205 as the minimum measurement module is mounted, the sixth to eighth display areas are provided. 96 to 98 are labeled CH6, CH7, and CH8, respectively.

In the second embodiment, when a predetermined operation button 81 is pressed, the display screen is switched to a display screen as shown in FIG.
In this display screen, as in the first embodiment, first to eighth function display columns 101 to 108 are provided adjacent to the first to eighth display areas 91 to 93 (on the right side of FIG. 13). .

Specifically, PM and PN are displayed in the first to third function display fields 101 to 103 to indicate the function of the measurement module 201.
Further, PM and PN are displayed in the fourth and fifth function display fields 104 and 105 to indicate the function of the measurement module 203. The measurement module 201 and the measurement module 203 perform the same measurement, but have different capabilities (for example, pump capability and accuracy when sucking fine particles).

  Further, NOx is displayed in the sixth function display column 106 to indicate the function of the measurement module 205 (mounted in the sixth slot 66). In the seventh function display column 107, NH3 is displayed to indicate the function of another measurement module 205 (mounted in the seventh slot 67). In the eighth function display field 108, O2 is displayed to indicate the function of still another measurement module 205 (mounted in the eighth slot 68).

The meanings of the marks displayed in each function display column 100 are the same as those in the first embodiment.
<Display of measurement module operation status>
Next, the display of the operation state of the measurement module 5 will be described. This operation display is the same as in the first embodiment.

  As shown in FIG. 14, in the second embodiment, for example, when at least one of the measurement module 201 and the sensor 25 connected to the measurement module 201 has an abnormality, the abnormal state (abnormal state) For example, the background color of the first to third display areas 91 to 93 is displayed in red.

  Specifically, for example, when the measurement module 201 is measuring PM or PN and the measurement module 201 does not output a signal indicating the measurement state to the main unit 3 side. The background color of the first to third display areas 91 to 93 is changed to red in order to determine that the state is abnormal and display the fact.

  Further, for example, when it is necessary to alert the user regarding at least one of the measurement module 203 and the sensor 25 connected to the measurement module 203, a state in which the warning is required ( For example, the background color of the fourth and fifth display areas 94 and 95 is displayed in yellow.

  For example, if the measurement module 203 and the sensor 25 are not subjected to processing such as periodic calibration, the background colors of the fourth and fifth display areas 94 and 95 are used to notify that. Turn yellow.

  On the other hand, when the other three measurement modules 205 and the sensors 25 are normal (that is, when they are not in the abnormal state or the warning state), for example, the sixth to eighth display areas 96 are displayed to indicate that they are normal. The background color of .about.98 is displayed in green.

  Separately from this, when the sensor 25 or the like is in a state before activation, specifically, when the temperature of the sensor element 27 of the sensor 25 does not reach an active state in which measurement is possible, In order to display this, the color of each display area may be changed. For example, the color may be changed to, for example, gray or the like different from the above colors.

  In the second embodiment, the same effects as in the first embodiment can be obtained, and the operation state of the measurement module 5 and the like can be displayed, so that the user can easily and accurately grasp the state of the measurement device 1. There are advantages.

In the second embodiment, the contents of the operating state are displayed by changing the color of the display area, but may be notified by other methods. For example, in the case of an abnormal state or a warning state, the display area may be blinked (and the blinking speed may be changed according to each state). Or you may make it alert | report with a sound and an audio | voice.
[3. Third Embodiment]
Next, the third embodiment will be described, but the description of the same contents as the first embodiment will be omitted. The same configuration as that of the first embodiment will be described using the same numbers.

As shown in FIG. 15, in the third embodiment, a personal computer 161 is connected to the measuring apparatus 1, and a display 211 is connected to the personal computer 161.
Although this measurement device 1 is not provided with the display unit 77 as in the first embodiment, a display unit 77 may be provided.

  In the third embodiment, display data to be displayed on the display unit 77 is transmitted from the measuring device 1 to the personal computer 161. In the personal computer 161, using this display data, a display image that is displayed on the display unit 77 of the first and second embodiments is displayed on the display 211.

In the third embodiment, the same effects as in the first and second embodiments are obtained.
Separately, display data may be transmitted wirelessly or by wire to a display screen such as a tablet other than the measuring apparatus 1 to display a similar display image.
[4. Other Embodiments]
As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment, As long as it belongs to the technical scope of this invention, a various form can be taken.

  (1) For example, in the above embodiment, the measurement of the amount of particulate matter in the exhaust gas of a diesel engine, the concentration of nitrogen oxide, etc. has been shown, but the measurement target of the measurement module is not limited to this. Absent.

  (2) In the above embodiment, the measurement modules are accommodated in a line along the horizontal direction. However, the measurement modules are accommodated in a line along the vertical direction. Alternatively, it may be accommodated in two or more rows along the horizontal or vertical direction.

  (3) Further, in the above embodiment, the measurement data received from the measurement module is stored in the internal memory. However, when the measurement device includes a display unit or when there is a display unit outside the measurement device, the measurement result indicated by the measurement data received from the measurement module may be displayed on the display unit.

  (4) In the above embodiment, the module CPU 173 of the measurement module 5 determines which position of the measurement module 5, that is, which module connection connector 51 to 58 among the eight module connection connector groups 35 (and which slot 12). Although the slot connection information indicating whether it is attached to the main unit 3 is transmitted by CAN communication, the main unit 3 may determine the slot connection information.

  (5) In addition, you may combine the structure of each embodiment etc. suitably.

DESCRIPTION OF SYMBOLS 1 ... Measuring device 3 ... Main unit 5 ... Measuring module 7 ... Housing 25 ... Sensor 115 ... CANI / F circuit 117 ... Internal memory 121 ... Main CPU
161: Personal computer

Claims (8)

A plurality of measurement modules that are connected to the sensor, and that have at least a circuit for acquiring the sensor output output from the sensor and outputting the sensor output; and
A main body for collecting data output from each of the measurement modules;
A measuring device comprising:
The main body is
A housing that detachably accommodates a plurality of the measurement modules therein;
A data collection unit for collecting data output from the measurement module housed in the housing;
At least one of an output unit that outputs the collected data to an external device and a storage unit that stores the data;
A display unit for displaying at least data on the measurement module;
Based on the data indicating the mounting position of the measurement module and the type of the measurement module obtained from the data collected in the main body, the mounting position of the measurement module and the type of the measurement module are displayed on the display unit. A display control unit,
A measuring device. A plurality of measurement modules that are connected to the sensor, and that have at least a circuit for acquiring the sensor output output from the sensor and outputting the sensor output; and
A main body for collecting data output from each of the measurement modules;
A measuring device comprising:
The main body is
A housing that detachably accommodates a plurality of the measurement modules therein;
A data collection unit for collecting data output from the measurement module housed in the housing;
At least one of an output unit that outputs the collected data to an external device and a storage unit that stores the data;
Output to the external device, as display data to be displayed on the display unit of the external device, data related to the mounting position of the measurement module and the type of the measurement module obtained from the data collected in the main body unit An output control unit,
A measuring device.   The measurement device according to claim 1, wherein a display area of the display unit is set according to a mounting position of the plurality of measurement modules housed in the housing.   The measuring device according to any one of claims 1 to 3, wherein the plurality of measuring modules are arranged along a predetermined arrangement direction of the housings.   The measurement device according to claim 4, wherein the measurement module is a member having a predetermined width in the arrangement direction, and a display area of the display unit is set according to the width. When the measurement module having a minimum length along the arrangement direction among the plurality of measurement modules is a minimum measurement module, and the length along the arrangement direction in the minimum measurement module is a minimum arrangement direction length,
The measurement apparatus according to claim 4 or 5, wherein a plurality of the measurement modules can be mounted along the arrangement direction at intervals of an integral multiple of the minimum arrangement direction length. A multiple measurement module having a width that is an integral multiple of the minimum measurement module can be mounted,
The measurement device according to claim 6, wherein the display unit has a display area having a size corresponding to the minimum measurement module and the multiple measurement module. The measurement device according to claim 1, wherein the display unit performs display in accordance with an operation state of each measurement module in a display area corresponding to each measurement module.

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