JPH11312557A - Terminal output addressing connector and control unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily detect the error of fitting a terminal output addressing connector even though a different control unit connector is the same shape. SOLUTION: In a terminal output addressing connector B, adapted for connecting terminal equipment by fitting over a connector 32 (32-1 to 32-3) for connecting to a control unit A, a recognition resistance C corresponding to the connector 32 to be fitted is built into the housing 33 of the addressing connector B. The control unit A is provided with a means for determining whether or not the recognition resistance C corresponding to the connector 32 is connected thereto.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal output addressing connector and a control unit which are fitted with a control unit connection connector.

[0002]

2. Description of the Related Art Conventionally, in a vehicle or the like, in order to improve the enlargement of a wire harness, a control unit is provided at a key point of the vehicle and connected to a terminal device. A method is used in which a multiplex signal line or the like configured in a loop shape such as an optical fiber is connected between control units to transfer signals.

FIG. 10 shows a conventional control unit A '. The control unit A' is connected to a power line 50 and a multiplex signal line 51 having a loop-like configuration of an optical fiber connecting each control unit. I have. Further, the control unit A 'is provided with a plurality of connection connectors 52-1 to 52-6 for connecting to a terminal device. The control unit A 'is provided at a main part of the vehicle, and terminal output connectors 60-1, 60-2 and 60-3 are connected to the nearby terminal equipment such as the motor 61, the sensor 62, the lamps 63 and 64, respectively. Are attached, and the connection connectors 52-1, 5
2-2 and 52-3.

The electrical connection inside the control unit A 'is
As shown in FIG. 11, switches 54, 55 and 56 for controlling the motor 61 and the lamps 63 and 64 are provided.
Are provided between the power line 50. An analog / digital converter A / D 57 for converting an output signal from the sensor 62 into a digital value is provided as necessary. Reference numeral 53 denotes a demultiplexing unit which demultiplexes the signal transferred from the multiplex signal line 51 and multiplexes the signal to transfer the signal. The on / off of the switches 54 to 56 is transferred via the multiplex signal line 51 and is turned on / off based on the control signal separated by the multiplex / demultiplex unit 53. The output of the A / D 57 is multiplexed by the demultiplexer 53 and transferred.

[0005]

Conventionally, the terminal device is connected to the control unit by fitting the terminal output connector connected to the terminal device to the connection connector of the control unit. In the connection between the terminal device and the control unit, for example, a return is grounded as represented by a motor 61, a return is returned to the control unit as represented by lamps 63 and 64, and a sensor 62 is represented. As described above, there are those in which both lines are connected to the control unit.

The control unit is provided at a key point and is connected to a nearby terminal device. A terminal output connector having a small number of terminals is used for most terminal devices. Is connected to the connection connector of the control unit A 'provided correspondingly. As shown in FIG. 10, the connection connector 52 having the same shape (four connection terminals) is provided.
With respect to -4, 52-5, and 52-6, in order to prevent erroneous fitting with the terminal output connector, for example, projections 52 ', 52 "and the like are provided on the outer peripheral portion to provide other connection connectors. The shape was changed, for example, to distinguish it from

For this reason, it is necessary to prepare a plurality of terminal output connectors that can be fitted in correspondence with these connection connectors, which increases the number of parts and complicates management. An object of the present invention is to provide a terminal output addressing connector and a control unit that can easily detect erroneous fitting with a control U-shaped connection connector even if the shape is the same. And

[0008]

According to a first aspect of the present invention, there is provided a terminal output addressing connector for connecting to a terminal device, the connector being connected to a control unit connection connector. A recognition resistor corresponding to the connection connector to be fitted is built in the housing of the addressing connector. The recognition resistor corresponding to the mating connection connector to be fitted in the terminal output addressing connector is built in, so by knowing the resistance value of the recognition resistor, the correspondence with the mating connection connector can be determined. Understandably, incorrect fitting can be eliminated.

In the invention according to claim 2, the recognition resistor is detachably mounted on a wire connection side of the housing. Therefore, a recognition resistor corresponding to the mating connection connector can be attached to the terminal output connector having the same shape. According to the third aspect of the present invention, the recognition resistor insulates the pair of parallel connector terminals, the resistor connected between the base ends of the pair of connector terminals, and insulates the resistor from the base end of the connector terminal. And a body portion to be covered, and the body portion is detachably fitted into a fitting groove provided on the wire connection side of the housing. As described above, since different recognition resistors can be obtained only by changing the resistance value of the resistor, standardization is easy and it is possible to manufacture at low cost.

According to a fourth aspect of the present invention, in the control unit according to the first aspect of the present invention, the control unit further includes a plurality of connection connectors which include a recognition resistor and are fitted to a terminal output addressing connector for connecting a terminal device. Means is provided for determining whether or not the recognition resistor corresponding to the connection connector is connected. The control unit includes a determination unit for determining whether or not a recognition resistor corresponding to the connection connector is connected, so that when the connection connector and the terminal output addressing connector are erroneously fitted, Improper fitting can be immediately detected.

According to a fifth aspect of the present invention, the judging means includes a voltage value recording section for recording a voltage value corresponding to the connection connector; a constant current source for supplying a current to the recognition resistor; A determination unit that determines whether a voltage value generated in the recognition resistor by the supply of current from the constant current source matches a value of a corresponding connection connector recorded in the voltage value recording unit. Prepare. The voltage value corresponding to the connection connector is recorded in advance, and it is determined whether the voltage supplied to the recognition resistor matches the voltage supplied to the recognition resistor by the current supplied from the constant current source. Can be determined.

In the invention according to claim 6, an output of the constant current source is switched to supply a current to the plurality of recognition resistors. Therefore, the device configuration can be simplified.

According to a seventh aspect of the present invention, a plurality of control units are connected by a multiplex signal line to transfer signals, the control unit is provided with the constant current source, and the voltage value recording unit and the A determination unit is provided and connected to a master control unit, and a voltage value generated in the recognition resistor of the control unit is transferred to the determination unit via the multiplex signal line and the master control unit. In the invention according to claim 8, the recording of the voltage value recording unit is recorded in association with all the voltage values of the plurality of control units, and the determination unit makes all the determinations on the plurality of control units. According to the seventh and eighth aspects of the present invention, a plurality of control units are connected by a multiplex signal line, the control unit is provided with a constant current source, and a voltage recording unit and a comparison unit are provided at predetermined locations to provide a master control unit. And the voltage value generated in the recognition resistor is transferred to the comparison unit via the multiplex signal line, so that the configuration of each control unit can be simplified.

According to the ninth aspect of the present invention, since the output of the determination section is provided with a means for issuing an alarm when no display or determination is made, the erroneous fitting can be easily detected at the time of erroneous fitting. it can.

According to a tenth aspect of the present invention, the plurality of connection connectors and the terminal output addressing connector of the terminal device have an intermediate connector having a shape corresponding to the connection connector and the terminal output addressing connector at both ends of the electric wire. Are connected to each other via a relay wire harness. According to the tenth aspect of the present invention, by employing the relay wire harness, even if the length between one control unit and a plurality of terminal devices connected thereto is variously different, the terminal device and the terminal output addressing thereof. The length between the connectors can be made constant, and the relay wire harness has a simple shape in which intermediate connectors are attached to both ends of the electric wire, so the form of the wire harness that connects the control unit and the terminal device, The length and the like are simplified, and the production of the wire harness can be rationalized.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Before describing the embodiments of the present invention, the principle will be described first. As described above, when the terminal output connector has the same shape, it is sufficient that the terminal output connector can be recognized as to which connection connector of the control unit is fitted. In the design stage, it is first determined to which terminal device the n-th connector of the control unit is to be connected.

Therefore, as shown in FIG. 7A, a recognition resistor 39 corresponding to a connection connector 43 to be fitted to a terminal output connector 42 to which a terminal device 41 is connected.
(Resistance value R _R ) is connected to terminals 44 and 45 to be built therein. In this way, by connecting the recognition resistor 39 internally to the terminal output connector 42, the resistance value R _R of the recognition resistor 39 is known, and the connector to be fitted with any connection connector of the control unit will be described. Can be easily known.

In order to determine whether or not there is an error in fitting the connector for connection and the connector for terminal output, FIG.
As shown in (B), a constant current source to which a resistor 46 having a higher resistance value (R) than the power supply + V is connected is provided on the control unit side, and the recognition terminal built in the fitted terminal output connector 42 is fitted. Is supplied to the resistor 39. When the constant current I is supplied to the recognition resistor (R _R ) 39 by the constant current source, a voltage I · R _R is generated. This generated voltage value I · R _R it is determined whether to match the value of a predetermined connector, and if they do not match a mating erroneous, to emit display or alarm.

Next, an embodiment of the terminal output addressing connector according to the present invention will be described with reference to FIGS. In FIG. 1, A is a control unit, B is a terminal output addressing connector connected to each terminal device, and a plurality of connection connectors 32-1 and 32-2 are provided on a side surface of a case 31 of the control unit A. ,... (32 as a representative). Although each connector 32 is formed as a male connector in the illustrated example,
It can be a female type.

On the other hand, the terminal output addressing connector B is formed as a female connector. That is, hoods 34 corresponding to the male connectors 32-1, 32-2,... Are formed on the front surface of the housing body 33 of the connector B so as to bulge out. The chambers 35 are arranged side by side, and each of the chambers 35 receives and locks a tab-shaped connector terminal 37 of a terminal of a connection wire 36 such as a power line or a signal line connected to a terminal device. The locking means between the connector terminal 37 and the terminal accommodating chamber 35 and the locking means between the connection connector 32 of the control unit A and the hood 34 of the terminal output addressing connector B constituting the male and female connectors are conventionally known techniques. And illustration and description are omitted.

The above configuration of the terminal output addressing connector B is the same as that of the conventional example, but in the present invention, a recognition resistor C can be attached to and detached from the wire connection side of the connector housing, that is, the back side of the housing body 33. It is attached to. As shown in FIGS. 2 and 3, the recognition resistor C connects the base ends 38a and 38b of the pair of tab-shaped connector terminals 38 and 38 'with a resistor 39, and also connects the base ends 38a and 38'. 38b and the resistor 39 are insulated and covered with a plastic body 40. On both sides of the body 40, guide holes 40a and locking holes 40b are provided. A fitting groove 41 is formed in the center of the upper side surface of the housing main body 33 so as to correspond to the recognition resistance C, and is recessed in the connector fitting direction or the terminal axis direction. Locking projections 41b are provided on the groove walls on both sides of the fitting groove 41 together with the guide projections 41a. In the center of the back surface of the hood 34, terminal insertion holes 34a for the connector terminals 38 and 38 'of the recognition resistor C are provided.
34a are provided.

The resistance value of the resistor 39 in the recognition resistor C is the number 1, 2,... Of the connector 32 of the control unit A to which the terminal output addressing connector B is fitted.
10Ω, 20Ω, 100Ω, 110Ω ...
It is preferable to determine these resistance values on the upper surface (or the end surface) of the body portion 40 as shown in the drawing.

The terminal output addressing connector B shown in FIGS. 1 to 3 is different from the terminal output connector 42 shown in FIG. 7A for explaining the principle of the present invention. Number is 12 including recognition resistor C
It is configured as a pole connector, because the low beam and high beam of the left and right headlamps and the signal line can be connected collectively by one connector.

In the above, an example has been described in which the terminal output addressing connector B is configured by detachably attaching the recognition resistor C to the housing body 33, but the present invention is not limited to this, and the terminal output addressing connector B is connected to a specific terminal device. It is sufficient that a recognition resistor having a predetermined resistance value is incorporated in the connector housing of the terminal output addressing connector B, for example, between the connector terminals 38 and 38 'shown in FIG. To which a resistor 39 is connected may be fixed by insert molding or the like.

The connector 3 of the control unit A
2 and the terminal output addressing connector B
Instead of directly connecting the two, a relay wire harness can be interposed therebetween. This connecting wire harness includes a connecting connector 32 and a terminal output addressing connector B at both ends of an electric wire having a desired length.
Since it can be manufactured by mounting an intermediate connector having a shape corresponding to FIG.

By adopting this relay wire harness,
The manufacturing of the connection wire (device-side wire harness) on the terminal device side provided with the terminal output addressing connector B can be greatly rationalized. That is, even if the length between one control unit and a plurality of terminal devices connected to the control unit is various, the length between the terminal device and the terminal output addressing connector is fixed by the interposition of the relay wire harness. Can be Also, since the relay wire harness has a simple shape in which intermediate connectors are attached to both ends of the electric wire, standardization, standardization, and mass production are easy.

Next, an embodiment of the control unit of the present invention will be described with reference to FIGS. FIG.
FIG. 5 is a configuration diagram of a first embodiment of the control unit, and FIG. 5 is an operation flowchart of the first embodiment. 4, reference numeral 11 denotes an input unit, 12 denotes a voltage value recording unit, 13 denotes a judgment unit, 14 denotes an alarm unit, 15 denotes a control unit, 16 denotes an analog / digital converter (A / D), 17 denotes a constant current source, and 18 denotes a constant current source. Is a switching unit, 19 and 20 are interfaces (I / O), and 21 is a processor (CPU) that performs processing.

.., 32-6 are connection connectors described with reference to FIG. 1 and are resistors 39 (recognition resistors C).
And the terminal is connected to the switching unit 18 and the constant current source 1
7 is switched to supply a constant current to the resistor 39. In addition, the control unit A is provided with circuits for controlling the terminal devices described with reference to FIG. 11, but these circuits are not shown in FIG.

As shown in FIG. 6, a voltage value corresponding to a connector number for connection is recorded in the voltage value recording section 12 in advance. That is, the value of the product I · R _R of the constant current value I of the constant current source 17 and the resistance value R _R of the resistor 39 corresponding to the predetermined connector number for connection is calculated, and the calculated result is calculated in advance. The voltage is recorded in the voltage value recording unit 12. In FIG. 6, connection connector numbers 5 and 6 show a case where the terminal output addressing connector B is not connected,
In this case, the power supply voltage + V for driving the constant current source 17 is recorded.

Next, the operation will be described with reference to FIG.
The operation starts when a start command is input from the input unit 11. In step S1, the control unit 15 controls the switching unit 18
To make a connection with the first connection connector 32-1. In step S2, the determination unit 13 reads the output value of the A / D 16 via the I / O 20. In step S3, the determination unit 13 reads the recorded voltage value of the first connection connector recorded in the voltage value recording unit 12, and determines whether or not the value matches the value read in step S2. Y
In the case of ES, the process proceeds to step S7.

In step S4, if the determination in step S3 is NO, the alarm unit 14 outputs an alarm by turning on a lamp, sounding a buzzer, or the like. In step S5, the operator knows that the connection has been made incorrectly, and replaces the regular terminal output addressing connector B with the first connection connector 32-.
Connect to 1. In step S6, the alarm unit 14 stops the alarm when it is connected to a proper connector. In step S7, when there is an untested connector, the control unit 15 proceeds to step S1, and steps S1 to S7 are repeated.

Next, a second embodiment of the control unit of the present invention will be described with reference to FIG. In the first embodiment, whether or not there is an erroneous connection of the terminal output addressing connector is provided in each control unit. In the second embodiment, the constant current source 17, the switching unit 18, and the A / D 16 Are provided in each unit, and the other input unit 11 and voltage value recording unit 1
2. The determination unit 13, the alarm unit 14, and the control unit 15 are commonly used.

In FIG. 8, A-1 and A-2 are control units, A-1 is a master control unit, and D is an erroneous fitting determination unit. The control units A-1 and A-2 are connected by a multiplex signal line 26 via multiplex / demultiplex units 24 and 25 to transfer signals. Also, A / of control unit A-2
The output of D16 is connected to the demultiplexing unit 24, and the switching unit 18
Is issued from the output of the demultiplexing unit 24.

Input unit 11, voltage recording unit 12, determination unit 1
3. The erroneous fitting determination unit D such as the alarm unit 14 is provided at a predetermined location, and is connected to the master control unit A-1 via the I / O 23.
Is connected to the demultiplexing unit 25. Further, as shown in FIG. 9, the voltage values corresponding to the connection connector numbers of all the control units are recorded in the voltage value recording section 12 of the erroneous fitting determination means D, and the terminal device name and the connection are made. Record the resistance of the recognition resistor.

The display unit 22 is provided in the erroneous fitting determination unit D. The operation of the second embodiment is the same as that of the first embodiment described with reference to FIG. The only difference is that the switching command of the switching unit 18 and reading of the A / D 16 are performed by the demultiplexing units 24 and 2.
5 and the point performed via the multiplex signal line 26. If the voltage value recorded in step S3 does not match the read voltage value, an alarm is issued in step S4 and the record recorded in FIG. 9 is displayed on the display unit 22. By doing so, the correspondence is clarified, and erroneous fitting can be easily eliminated.

[0036]

As described above, according to the present invention, the following effects can be obtained. The recognition resistor corresponding to the mating connection connector to be fitted in the terminal output addressing connector is built in, so by knowing the resistance value of the recognition resistor, the correspondence with the mating connection connector can be determined. It is clear that incorrect fitting can be eliminated (claim 1).

Since the recognition resistor is detachably mounted from the wire connection side of the housing, a recognition resistor corresponding to the mating connection connector can be mounted on the terminal output connector having the same shape. (Claim 2). The recognition resistor is formed of a pair of parallel connector terminals, a resistor connected between the base ends of the pair of connector terminals, and a body portion that insulates and covers the base end of the connector terminal and the resistor. The body is detachably fitted in a fitting groove provided on the wire connection side of the housing. Therefore,
Since different recognition resistors can be obtained only by changing the resistance value of the resistor, standardization is easy and it is possible to manufacture at low cost.

Since the control unit is provided with a judging means for judging whether or not a recognition resistor corresponding to the connection connector is connected, erroneous fitting of the connection connector and the terminal output addressing connector occurs. In this case, it is possible to immediately detect the incorrect fitting (claim 4).

The voltage value corresponding to the connector for connection is recorded in advance, and it is determined whether or not the current value supplied from the constant current source matches the voltage value generated in the recognition resistor. It can be determined whether or not the fitting is incorrect (claim 5). In addition, since the output of the constant current source is switched and supplied to the plurality of recognition resistors, the device configuration can be simplified (claim 6).

Further, a plurality of control units are connected by a multiplex signal line, a constant current source is provided in the control unit, a voltage value recording unit and a comparison unit are provided in a predetermined place, and the control unit is connected to the master control unit. Since the voltage value generated in the recognition resistor is transferred to the comparison unit via the signal line, the configuration of each control unit can be simplified.
8). In addition, since a means for displaying or issuing an alarm is provided at the output of the determination unit, the erroneous fitting can be easily detected at the time of erroneous fitting (claim 9).

According to the tenth aspect of the present invention, the plurality of connection connectors and the terminal output addressing connector of the terminal device are provided at both ends of the wire with an intermediate connector having a shape corresponding to the connection connector and the terminal output addressing connector. Are connected via a relay wire harness equipped with a terminal device, and even if the length between one control unit and a plurality of terminal devices connected thereto is variously different, the terminal device and the addressing connector for the terminal output thereof Since the length between them can be made constant and the relay wire harness has a simple shape in which intermediate connectors are attached to both ends of the electric wire, the form and length of the wire harness for connecting the control unit and the terminal device are And the like can be simplified, and the production of the wire harness can be rationalized.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a terminal output addressing connector and a control unit of the present invention.

FIG. 2 is an enlarged perspective view of the terminal output addressing connector of FIG. 1;

FIG. 3 is an explanatory diagram of a recognition resistor of FIG. 2;

FIG. 4 is a configuration diagram of a first embodiment of the control unit of the present invention.

FIG. 5 is an operation flowchart of the first embodiment.

FIG. 6 is a specific example of a voltage value recording unit according to the first embodiment.

FIG. 7 is a diagram for explaining the principle of the present invention.

FIG. 8 is a configuration diagram of a control unit according to a second embodiment of the present invention.

FIG. 9 is a specific example of a voltage value recording unit according to the second embodiment.

FIG. 10 is an explanatory diagram of a conventional example.

FIG. 11 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 A, A-2 Control unit A-1 Master control unit B Terminal output addressing connector C Recognition resistor D Misfit determination unit 11 Input unit 12 Voltage value recording unit 13 Judgment unit 14 Alarm unit 15 Control unit 16 Analog-to-digital conversion (A / D) 17 Constant current source 18 Switching unit 19, 20, 23 Interface 21 Processor (CPU) 24, 25 Demultiplexing unit 26 Multiplexed signal line 32 Connector 33 Housing body 38, 38 'Connector terminal 38a, 38b Base end 39 Resistor 40 Body 40a Guide groove 41 Fitting groove

Claims (10)

[Claims] 1. A terminal output addressing connector that is fitted with a connection connector of a control unit and that is connected to a terminal device, wherein a recognition device corresponding to the connection connector to be fitted into a housing of the addressing connector. An addressing connector for terminal output, which has a built-in resistor. 2. The terminal output addressing connector according to claim 1, wherein the recognition resistor is detachably mounted on a wire connection side of the housing. 3. A body in which the recognition resistor includes a pair of parallel connector terminals, a resistor connected between base ends of the pair of connector terminals, and a body that insulates the base terminal of the connector terminal from the resistor. 3. The terminal output addressing connector according to claim 2, wherein the body portion is detachably fitted into a fitting groove provided on a wire connection side of the housing. 4. 4. A control unit having a built-in recognition resistor and a plurality of connection connectors fitted to a terminal output addressing connector for connecting a terminal device, the control unit corresponding to the connection connector. A control unit for determining whether or not the recognition resistor is connected. 5. A voltage value recording unit that records a voltage value corresponding to the connection connector, a constant current source that supplies a current to the recognition resistor, and a current from the constant current source. And a determining unit that determines whether a voltage value generated in the recognition resistor by the supply of the voltage and the value of the corresponding connection connector recorded in the voltage value recording unit match. The control unit according to claim 4, wherein 6. The control unit according to claim 5, wherein an output of said constant current source is switched to supply a current to said plurality of recognition resistors. 7. A master unit comprising: a plurality of control units connected by a multiplex signal line to transfer a signal; a control unit provided with the constant current source; and a voltage recording unit and a determination unit provided at a predetermined location. 6. A control unit connected to the control unit, wherein a voltage value generated in the recognition resistor of the control unit is transferred to the determination unit via the multiplex signal line and the master control unit. 6. The control unit according to 6. 8. The recording of the voltage value recording unit may be recorded in association with all the voltage values of the plurality of control units, and the determination unit may perform all determinations on the plurality of control units. The control unit according to claim 7, characterized in that: 9. The control unit according to claim 5, further comprising: means for issuing an alarm when an output or a judgment is not made in an output of said judging section. 10. A relay, wherein the plurality of connection connectors and the terminal output addressing connector of the terminal device are provided with an intermediate connector having a shape corresponding to the connection connector and the terminal output addressing connector at both ends of the electric wire. The control unit according to claim 5, 6, 7, 8, or 9, wherein the control units are connected via a wire harness.