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INVENTION
Patent of the Russian Federation RU2110164
"INTELLECTUAL" CONTACT CONCLUSION FOR LAMP
Applicant's name: Heikki Korkala [FI]
The name of the inventor: Heikki Korkala [FI]
The name of the patent holder: Heikki Korkala [FI]
Address for correspondence:
Date of commencement of the patent: 1992.11.10
The intelligent contact terminal for the lamp contains a plurality of individually controlled lamps connected to the common power supply circuit and to the operation control device for transmitting the required control signal to the electronic control elements associated with the lamp or the contact terminal and selectively reacting or not responding to various control signals. Together with the lamp terminal, these electronic control elements form a single replaceable component which, on the basis of the message included in the operation control signal, identifies itself to perform the function of the corresponding lamp. In addition, electronic control elements monitor their status and the status of the lamp and, if necessary, give an indication of a malfunction.
DESCRIPTION OF THE INVENTION
The present invention relates to an "intelligent" contact terminal for a lamp for use in a lighting system comprising a plurality of individually controlled lamps associated with the same power supply circuit and with a work control device for transmitting the desired control signal to the electronic control elements that are inputted In a lamp or a contact terminal and which selectively react or do not respond to various control signals.
The type of lighting systems mentioned above was proposed earlier , for example, in [1], [2]. Lighting systems of this type are particularly suitable for use as an automotive lighting system, and a significant advantage over conventional systems is that all lamps can be connected to a group of wires including, for example, two or three wires. The system will be simpler and more economical, since the number of conductors is significantly reduced. However, in these previously known lighting control systems, the lamp or its contact terminal is not provided with electronic components facilitating their independent "intelligent" operation to fully exploit the advantages of the system.
The object of the invention is to provide a new type of "intelligent" contact terminal for a lamp comprising a replaceable standard component that has sufficient functionality to enhance the level of system standardization with respect to a plurality of different lamps.
The said result is achieved by an "intelligent" contact terminal for the lamp and for use in a lighting system comprising a plurality of individually controlled lamps associated with a common power supply circuit and with a work control device for transmitting the desired operation control signal to electronic control elements associated with An "intelligent" contact terminal, said elements selectively reacting or not responding to various control signals in accordance with the invention, includes electronic control elements and is a single replaceable coupling component between the lamp and the power supply circuit, the electronic control elements including Means for identifying a predetermined message in the control signal, means for activating the lamp when identifying said message, means for monitoring the operating state of the lamp, and means for generating a fault indication if the current passing through the lamp is greater than or less than the predetermined maximum or A minimum value, said single replaceable component being connected to a group of conductors comprising at least one current conductor, by crimping through the conductor insulation.
Here, the electronic control elements preferably comprise means for controlling the power passing through the lamp, the electronic components entering into said electronic control elements can be installed by sizing, soldering or cathodic welding on a ceramic substrate, some of the electronic components such as conductors and Resistors, can be applied to the base or printed circuit board by the method of printing on thick-film technology; In particular, resistors can be printed on a PCB using polymer printing technology.
In addition, the power control means are preferably adapted to receive their control signals based on the measured values of the load current passing through the lamp and the voltage on the lamp.
In this case, the test of the cold state of the lamp is preferably provided by passing a very low test current through the lamp from the operation control logic to provide a fault indication, provided that the test current is zero or exceeds a predetermined value.
Additional coding of said predetermined message is preferably provided by additional contacts between said electronic control elements of the component being replaced and the signal conductor.
In this case, the "intelligent" contact terminal, when used in the vehicle lighting system, is provided with means for activating additional contacts between said electronic control elements of the replaced component and a signal conductor for encoding various lamp functions according to their location.
The invention will be explained below with reference to the exemplary embodiments thereof, illustrated by the drawings, in which:
FIG. 1 - block diagram of the electronic system of "intelligent" contact output
FIG. 2 is a schematic representation illustrating the principle of operation
An "intelligent" pin pin
FIG. 3 is a schematic representation of the connection of an "intelligent" pin
With a group of lighting system wires
In Fig. 1 shows an example of an electronic circuit for an "intelligent" contact pin. The lamp 1 is connected to a power supply circuit connected to the wires 8 and 9. In series with the lamp 1, a fuse 14 and a pulse width modulator 12 are connected. The logic circuit 11 controls the operation, which is described in more detail below. The logic circuit 11 is provided with an information channel 10 1 for supplying operation control commands via an external control device. In addition, between the information channel 10 1 and the logic circuit 11, there is a synchronizer 13 that allocates a clock rate from the control command transmitted via the information channel. The logic circuit 11 controls the information channel messages, which in the present case are codes in the data form. When the logic circuit 11 identifies a predetermined code for activating the lamp 1, it transmits the command over the wire 15 to start the pulse width modulator 12. Based on the received message, the logic circuit 11 identifies the lamp 1, operating the latter as an appropriate lamp, and Of necessity automatically performs, for example, the following actions: power control, flashing lights, switching to twilight lighting and so on. For power control, the logic circuit measures the voltage difference 
On the fuse 14. Based on the result of this measurement, the logic circuit 11 determines the value of the current I passing through the lamp 1. Through the wire 16, the logic circuit measures the voltage U x acting on the lamp 1 and changes the power U x · I. Based on this measurement and calculation operation, the logic circuit 11 controls the pulse width modulator 12 in order to provide a predetermined power to the lamp 1 corresponding to the action to be performed by the lamp.
A monitoring system for the cold state of the lamp 1 is also provided. For this purpose, a very low test current is passed through the lamp 1 through the logic circuit 11 and the wire 17. If the test current is greater than 0 or less than a predetermined value, the lamp is OK. If the test current is zero or exceeds a predetermined value, the logic circuit 11 outputs a fault indication, for example, via the same information channel 10 1 that it uses to receive the operation control command.
The lamp can also be monitored in its operating state: if the current I passing through the lamp is higher or lower than the preset maximum or minimum value, the logic circuit 11 outputs a fault indication.
In Fig. 1, the electronic control elements of the lamp 1 are generally indicated by reference numeral 2.
Lamp 1 and electronic control elements 2 constitute a single component, which can be structurally configured as a module using, for example, sizing, soldering and / or cathodon-arc welding methods. The contacting of the above-mentioned elements is preferably carried out on a ceramic substrate or printed circuit board 3. A part of the electronic elements, in particular wires and resistors, can be performed by thick-film techniques on a ceramic substrate 3. In addition, the resistors can be performed, for example, by polymer printing on a printed circuit board. Thick-film hybrid technology can be used to manufacture a small enough and inexpensive component, which is a removable and completely replaceable element.
In Fig. 2 shows an "intelligent" pin terminal, corresponding to the principle of its operation described above lamp. Electronic control elements 6 are mounted on a ceramic base or printed circuit board 7. The lamp 5 can be, for example, a conventional lamp currently used in a car. It can be attached to component 6 and 7 in a manner similar to the currently used fixing method. Thus, no modifications are required in the technology for producing the lamp 5 and its cartridge case. In this sense, the only difference from the traditional system is that only one type of lamp 5 is needed. As shown in FIG. 2, a data encoder received from the serial channel 10 is connected to the electronic control elements 6, additional coding can be performed by connecting one or more data channel wires 10 1 to the conduit conduit 10 or to the current supply wires 8 or 9.
FIG. 3 illustrates in more detail the connection of the "intelligent" terminal with a group of wires including the current wire 8 and the signal wire 10. The wire group can also contain a reverse current wire 9 which, however, can replace the vehicle chassis. The required number of components made according to the present invention can be connected in parallel to this group of wires. The connection and simultaneous coding can be carried out, for example, by means of a crimping technique by pressing the connecting wires 8 1 and 9 1 , a and a selected number of connecting wires 10 1 into contact with the wires 8, 9 and 10 through the insulation of the wires. Coding can be provided, for example, by contacting the 10: 1 coding wires with the signal wire 10, the input current lead 8 or the output current wire 9. The coding associated with allowing the selection of the connecting wires 10 1 can be used to determine the functions of each lamp 1 and 5, According to its location, as a direction indicator, a parking light, a reversing lamp, a tail lamp and so on. Thus, this additional coding facilitates self-identification by the component in order to perform the functions of the corresponding lamp based on the received message. However, the identification and control of the work can be included entirely in the transmitted message, and therefore additional coding is not required. The connecting wires of the "intelligent" terminal 7 can be connected to a conventional lamp 5 in a manner as shown in FIG. 2.
The invention is not limited to the above-described embodiment. An important feature of the invention is that the electronic control element and the contact terminal form a single component - "intelligent output".
The component of the present invention must meet the following requirements.
1. Identification
The component itself identifies an incoming message, which can be, for example:
- code that uses, for example, BUS 120, serial RS 232 serial or serial channel protocol for a car,
- tone frequency,
- radio frequency,
- infrared radiation or light.
2. Tasks
On the basis of the received message, the component must identify itself to perform the functions of the corresponding lamp, performing automatically, if necessary, for example, the following actions:
- power adjustment,
Flashing lights,
- switch to twilight lighting.
3. Self-control.
The component protects itself from external interference and turns off the circuit (fuse), preventing damage to external electronic systems. The component and reports its fault status using a message line, which may be the same as for receiving messages, or be different from it.
Depending on the purpose of the component, one or more of these factors associated with the component identification process, its tasks and self-control may correspond to it.
The dimensions of the component can vary in a fairly wide range, depending on the specific application. However, in practice, the goal is to create a standard design for a particular application, for example, a single design for automotive use and so on.
The control of the component according to the present invention can be carried out by using blocks operating on known principles. Such units may include, for example, a code transmitter, an infrared transmitter, a radio transmitter. .
CLAIM
An intelligent contact terminal for the lamp and for use in a lighting system comprising a plurality of individually controlled lamps associated with a common power supply circuit and a work control device for transmitting the required control signal to the electronic control elements associated with the "intelligent" contact terminal, said elements Selectively react or not respond to various control signals, characterized in that the "intelligent" contact terminal including the electronic control elements is a single replaceable coupling component between the lamp and the power supply circuit, the electronic control elements including means for Identification of a predetermined message in the control signal, means for activating the lamp when identifying said message, means for monitoring the operating state of the lamp, and means for generating a fault indication if the current passing through the lamp is greater than or less than a predetermined maximum or minimum value, respectively, Said single replaceable component is connected to a group of conductors comprising at least one current conductor, by crimping through the conductor insulation.
The terminal of claim 1, characterized in that the electronic control elements further comprise means for controlling the power passing through the lamp.
A terminal according to claim 1 or 2, characterized in that the electronic components entering said electronic control elements are installed by sizing, soldering or cathodic welding on a ceramic substrate, some of the electronic components, such as conductors and resistors, are applied to the base or Printed circuit board by the method of printing on thick-film technology, and the resistors are printed on a PCB using polymer printing technology.
The terminal of claim 2, characterized in that the power adjustment means are adapted to receive their control signals based on the measured values of the load current passing through the lamp and the voltage on the lamp.
The conclusion of any one of claims 1 to 4, characterized in that the cold state of the lamp is provided by passing a very low test current through the lamp from the logic control circuitry to provide a fault indication, provided that the test current is zero or exceeds a predetermined value.
A terminal according to any one of claims 1 to 5, characterized in that additional coding of said predetermined message is provided by additional contacts between said electronic control elements of the component being replaced and the signal conductor.
A terminal according to any one of claims 1 to 6 for use in a vehicle lighting system, characterized in that the "smart" contact terminal is provided with means for activating additional contacts between said electronic control elements of the replaced component and a signal conductor for coding various lamp functions according to their location .
print version
Date of publication 11/13/2006
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