CN100342411C - Double-conductor type telecontrol system and display device - Google Patents
Double-conductor type telecontrol system and display device Download PDFInfo
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- CN100342411C CN100342411C CNB011439777A CN01143977A CN100342411C CN 100342411 C CN100342411 C CN 100342411C CN B011439777 A CNB011439777 A CN B011439777A CN 01143977 A CN01143977 A CN 01143977A CN 100342411 C CN100342411 C CN 100342411C
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Abstract
The present invention relates to a double conductor type remote control system, wherein a receiver side can accurately determine the polarity of data; the input of the data and one of telecommunication lines is converted by a receiving buffer; the converted input is added to the input of the other telecommunication line. Therefore, when an added result is zero or approaches to zero, the receiving shift buffer can make logic data to be outputted indicate the inversion of balanced pulse power level received from the telecommunication lines. When the logic data transmitted from the receiving buffer is retained in logic level in a predefined time period, a polarity identification portion can be used for identifying the polarity. According to the identified polarity, the polarity identification portion can transmit the pulse group data to a data processing portion.
Description
The cross reference of relevant application
The application is based on the 2000-206819 Japanese patent application of submitting on July 7th, 2000 and require benefit of priority, and its whole contents is incorporated herein as a reference.
Invention field
The present invention relates to for example be used for the display device of remote control data system and controlled device, in these equipment, power delivery between control device and one or more controlled devices receives and data communication realizes (hereinafter, we call the double-conductor type display device to display device) by two power lines.The double-conductor type display device is used as stock display device and price display device, and they can be attached on the display rack that for example displays various types of merchandisings.
Background technology
Routinely, the method that several types is arranged, every kind of method all is considered to for realizing a kind of technology of data and electrical transmission/received communication, it is implemented with two power lines, a kind of method (referred to herein as first method) is that high-frequency signal is added on the power line of emitter side, and its transmission, and have only this high-frequency signal with bandpass filter it to be extracted in the receiving trap side.Another kind method (referred to herein as second method) is that the modulated pulse signal of phase place is added on the double-conductor type DC power line, in emitter side it is transferred out then.Also have a kind of be by open circuit periodically or the two DC power lines of short circuit in one DC power is transformed into pulse, and it is launched, and a kind of like this pulse signal separates use with pulse converter on the acceptor device in emitter side.
Use first method, it is very difficult removing leakage problem, and this problem must be brought high-frequency signal or its antinoise character.Method have special high-performance complicated circuit construction or circuit block for modulating to use, thereby production cost becomes very high hereto.Second method needs phase splitting, thereby it has certain restriction on transmission speed, and the third method can be simplified circuit structure, but under any circumstance, it always brings noise problem.In any one situation of Miao Shuing,, be very difficult in the above with many acceptor devices if considered transfer efficiency.
As the solution to above-described routine techniques shortcoming, the leakage (No. 2787976 Jap.P.) that can have at a high speed and double-conductor type data that high antinoise intercoms mutually and electrical transmission/received communication technology not have emissive power with utilizing many acceptor devices is crossed in the former suggestion of applicant of the present invention between transmitter and receiver.
According to this technology, in short, the emitter side device is constructed to such an extent that make power level on two power circuits on the basis of the pulsegroup data of address that comprises the receiver-side device and director data, becomes the power of equal class pulse.In addition, the receiver side device is constructed to such an extent that store the class pulse power rectification that equates that receives from two power lines and it and in the address that comprises self device be addressed on the basis of pulsegroup data of data of emitter side device, power level on two power lines is changed, become equal class pulse power.In every side, power supply is intercepted when received power.
But above-described double-conductor type data and electrical transmission/received communication technology is still brought the problem that waits to solve.
More particularly, the transmission of power and reception and data communication by the effective situation of double-conductor type device under, when the pulsegroup data flow with time series, exist possibility to the false judgment of data polarity.After the device of the judgement of data polarity aspect they are received recognized, has influence in the canned data of pulsegroup data.So it judges that exactly polarity is very important, for example, the power receiver device by the situation of power emission apparatus remote control under.
In the most situation, when circuit during at active state, can connect acceptor device or the people for remove (in other words, when electric current by this line during by carrying, it can be replaced).But for judgment data polarity exactly, when acceptor device was connected, turn off the total system that comprises the emitter side device was essential (entering the state that electric current is not delivered).So under a kind of like this situation that comprises many acceptor devices, the operation of these devices has greatly been influenced.
The data that are stored in acceptor device normally are utilized in device itself, so there from receiver sidelights on data or to read this data at any time be impossible arbitrarily.If this reading or writing of data can be finished neatly, so, when emitter apparatus when monitoring acceptor device, in simplifying the emitter side device to receiver-side to shake control be foreseeable.
Because acceptor device is the power of the power of storage as it, so reduction power consumption as much as possible is important to it.Therefore, must found innovative idea here, keep possible optimum performance can work, again the power consumption constraints of hardware configuration on essential minimum levels, especially when the receiver-side device comprises display device, can not ignore the power consumption of display device.
Summary of the invention
The present invention has proposed to solve the above-mentioned defective of routine techniques, and its main target is to be provided at the accurately double-conductor type telecontrol system of judgment data polarity of receiver-side.
Another target of the present invention is that miscellaneous general double-conductor type telecontrol system that has so different functions and suppress power consumption will be provided.
According to first direction of the present invention, provide a double-conductor type telechirics to comprise: the wiring housing that comprises two power lines; One control device comprises: be used to produce and represent one to want the assigned address of controlled destination apparatus and the generator of the pulsegroup data of the control data that is addressed to destination apparatus; DC power is transformed at the power of equalizing pulse waveform and the power controller that the power supply of direct transform is gone to two power lines according to the pulsegroup data that produced with being used for; And controlled at least device, housing makes this control device and at least one controlled device be electrically connected to each other by two power circuits thereby it removably is attached to wiring, comprising: be used for the converted power that is received from two power lines is carried out the charger of rectification to be recharged; The logical message that is used for being included in the pulsegroup data in the power after the rectification is read pre-determined number, and judge the polarity discriminating device of the power polarity of described equalizing pulse waveform from the power level of described logical message, described polarity discriminating device carries out the differentiation of polarity under the situation of the same polarity of reading described pre-determined number continuously; Data processor, be used for whether being included in the power that has received, when the fixed address of device own is included in the power that has received, carry out data processing from pulsegroup data extract control data with according to the control data that is extracted according to the address of the polarity decision of having discerned device appointment itself; And be used to show display by the data result of data processor processes.
At least one controlled device can be configured to further and comprises: be used to produce the assigned address of representative device itself and to the number generator of another pulsegroup data of the response data of control device; With according to another pulsegroup data by the Power Conversion of charger storage at the power of equalizing pulse waveform and the power controller of converted power supply to pair power lines, and control device also comprises and being used for when the power controller of the power controlled device that is added at least one controlled device stops by two power lines from least one controlled device received power and to being included in the data processor of another pulsegroup data decode of received power.
At least one controlled device can be configured to and also comprise nonvolatile memory, it is readable by the data processor of at least one controlled device, thereby and the data processor of at least one controlled device carry out data processing according to carry out selectively from the request of control device to/write or data read from the data of nonvolatile memory.
According to a second aspect of the invention, the double-conductor type display device is provided, be electrically connected with control device but be attached to its demolition on the wiring housing that comprises two power lines and by the two power lines in the wiring housing, control device is according to representing target purpose assigned address and DC power being transformed to the power of equalizing pulse waveform to the pulsegroup data of the control data of target purpose, and converted this pair of power supply power line, this double-conductor type display device comprises: be used for the transform power that is received from two power lines is carried out the charger of rectification to be recharged; The logical message that is used for being included in the pulsegroup data in the rectified power is read pre-determined number, and judge the polarity discriminating device of the power polarity of described equalizing pulse waveform from the power level of described logical message, described polarity discriminating device carries out the differentiation of polarity under the situation of the same polarity of reading described pre-determined number continuously; Data processor, whether be used for address according to the appointment of the polarity decision of having discerned device itself is included in the received power, when the assigned address of device itself when being included in the received power from pulsegroup data extract control data, and carry out data processing according to the control data that is extracted; The display that is used for the data result of visualization data processor processes; Be used for receiving the receiver of data output from external device (ED); Be used to produce representative device assigned address itself and to the number generator of another pulsegroup data of control device response data, this response data comprises the data input that is received by receiver; And the power controller that is used for the Power Conversion that is recharged the device storage also being arrived converted power supply to the power of equalizing pulse waveform two power lines according to another pulsegroup data.
Should be noted that at this, can use sound notification audio devices to replace display such as hummer.In this case, data processed result is represented by buzzing sound or voice.
Display can be designed as by the combination of a plurality of display segments represents letter, symbol and/or numeral, and display device further comprises the demonstration test circuit that shows test by the realization of opening section continuously one by one.
Under such demonstration test circuit, can reduce power consumption significantly, so this device can be operated with the power of storing under the problem of shortage of power not having to the test of section.
Can be configured to have the switch that is used to revise the display displaying contents to display, and switch is designed to the software operation method Presentation Function of common appointment be changed into another Presentation Function.Under this structure, so multiple function can be achieved under less software resource.
Can be display device configurations for also comprising: a switch, one of output represent the pulse signal of one of them binary value and export a pulse signal of representing another binary value when the down state of this switch of relieving when this switch is pressed; And the switch data generator that when being changed from switched output value, produces the switch data of the such change of representative, wherein, switch data is reflected in the content of response data.
Under this structure, pulse signal is not only being exported when switch is pressed, and also is output when decontroling down state, therefore, how can produce switch data no matter switch is pressed the time cycle.
Can be display device configurations for further comprising a pair of wire guiding member that is connected to two power lines when being attached on the wiring housing respectively, wherein, the contact of each wiring part and each power line are made Elastic Contact.
Can be display device configurations for also comprising Elastic Meshing mechanism, be used for by meshing itself on the housing that power is applied to device along first direction, thereby and it unloaded from the wiring housing by on the second direction different, power being applied to the there with first direction.
The accompanying drawing summary
These purposes of the present invention and other purpose and advantage, by becoming more clear after circularity following detailed and the accompanying drawing, wherein:
Fig. 1 is the total figure of diagram housing, is suitable for being placed on the operation of the commercial product on the store shelf here according to double-conductor type telecontrol system of the present invention;
Fig. 2 A is the profile of the display device of two-conductor line telechirics to 2E, Fig. 2 A is the front view of display device 1, and Fig. 2 B is a side view, and Fig. 2 C is a backplan, Fig. 2 D is the figure that observes this device from the direction of the arrow indication that is shown in Fig. 2 C, and Fig. 2 E is the part enlarged drawing of Fig. 2 D;
Fig. 3 is the functional structure chart that illustrates this display device simply;
Fig. 4 is the detail drawing that the transmission of diagram display device receives communication unit;
Fig. 5 is the functional structure chart of the indicative control unit of data in graph form processing unit and display device.
Fig. 6 A is the outside drawing of diagram wiring housing to Fig. 6 D, and Fig. 6 A illustrates top view, Fig. 6 B illustrated side view, the front view when Fig. 6 C is shown in the cross section, and the front view when cross section of Fig. 6 D diagram when display device is mounted; And
Fig. 7 is the structural drawing of the major sections of diagram double-conductor type telecontrol system;
Fig. 8 is handling procedure figure, for the operation that monitor control unit is described designs;
Fig. 9 is handling procedure figure, is the operating surface design of explanation display device;
Figure 10 is the explanatory diagram of each unit operations of diagram, when in fact electric power and data carried in double-conductor type telecontrol system or received, and data on power waveform or variation;
Figure 11 A and 11B illustrate the example of pulsegroup data layout, Figure 11 A illustrates an example that sends to the pulsegroup data layout of display device from monitor control unit, and Figure 11 B then illustrates an example that sends to the pulsegroup data of monitor control unit from display device;
Figure 12 is an example that is shown in the timing of display device Semi-polarity identifying;
Figure 13 is shown in an example that is used for the timing of detector switch state of switch data in the display device; And
Figure 14 is shown in the demonstration test actual on the display part section of a display device, each program segment how according to priority one be issued along with one.
The detailed description of preferred embodiment
To be reference with accompanying drawing now, a preferred embodiment of the present invention will be explained in detail, should be noted that present embodiment will link mutually with the example of game device to explain that this game device is equipped with image-processing system of the present invention.
In being described below, the present invention will be that the example that is suitable for being displayed in the commercial product operation on the store shelf interrelates and discusses with double-conductor type telecontrol system of the present invention.
As shown in Figure 1, telechirics has a structure, many display device 1 in this structure (each in them is an example of controlled device) and a monitor control unit 2 (it be control device one) are become such configuration by device, the feasible example (being referred to as hereinafter, " data and electrical transmission/received communication ") of between them, setting up transmission electric power and data communication by two power lines.The one controller CON that is used to manage the commercial product data is connected to monitor-control apparatus 2.To dispose two power lines 3 to such an extent that be substantially parallel to each other at the inner bottom part of wiring housing 30, and this housing to have be the cross section of rectangle basically, and, their electronics with display device 1 partly are electrically connected when display device 1 being loaded onto when connecting up housing 30.Wiring housing 30 is contained on the precalculated position of store shelf.Hereinafter, this pair power line 30 usefulness " data and electrical transmission/received communication line " are explained, except the situation that their structures own are illustrated
Should be noted that in Fig. 1 for the connection of explanation between these display device and monitor control unit 2, the connection between these devices is represented with dot-and-dash line with will be clear that.
The canned data of data and 1 the reception from monitor apparatus 2 to display device mainly are power supply and the control data that is used to instruct and the transmission of related data.On the other hand, data and from display device 1 to monitor control unit electrical transmission/received communication of 2 is instruction and the execution result of indicating the status data of the state of these devices own.
For data and electrical transmission/received communication, use 4-letter address into each display device appointment.Address or with BCD (binary coded decimal coding method) method, or with (1-7999) of 4-position.In some instruction, it is feasible specifying a wildcard card."? " specified in the appointment of wildcard card exactlyThe example of instruction is to reset, signal output, begin to control, import data and obtain, beginning to control, stopping to control and the element address is provided with the demonstration of the 1-input conversion attitude of unit, back.
Communication protocol in monitor control unit 2 is general to all display device 1.
＜display device 〉
The hardware configuration of display device 1 then, will be described now.
Fig. 2 A is the front view of display device 1, and Fig. 2 B is a side view, and Fig. 2 C is a rear view, and Fig. 2 D observes the figure of this device from the direction of the arrow indication that is shown in Fig. 2 C, and Fig. 2 E is the part enlarged drawing of 2D.
Each display device 1 all has the box of making when the resin of such rectangle when its front is watched, and it can serve as the lid of the housing 30 that connects up.This box its vertically on, the lateral end place has and box integrally formed Elastic Meshing machine 10a and 10b, more specifically says, at each distal portion place of box leading flank, has been conical support portions 10a, makes it the person of being operated easily to fix.In addition,, integrally be constraint position 10b and engaged, will explain this after a while with sidewall with wiring housing 30 in each distal portion of box trailing flank. Engaging mechanism 10a and 10b have been arranged, when a power the wiring housing 30 the inner bottom part direction on (in other words, when first direction) being applied to box, constraint position 10b is meshed with the wiring housing, and on the direction of a power in support portions (second direction in other words) when applying, display device 1 can easily unload from the wiring housing.
Surface at box, installed the display area 11 of making by many luminescent diodes with 7 segment structures, be used for representing letter, mark and numeral, be used to import the lamp switch 12 of data, with be used to cancel clauses and subclauses that are presented at display area 11, or in the display area 11 bottom switch 13 of correcting displaying contents.Pressing or discharging these switches 12 and 13 is in order to export any one binary signal to data processing unit 16, will to explain it after a while.
Adorned a pair of wiring part 14 at the back back side of box.In this embodiment, transmission communication unit 15, data processing unit 16 and indicative control unit 17 all are integrated in the integrated circuit, and therefore, they can not illustrate in the drawings.Each wiring part 14 designs like this, makes when display device 1 is installed to wiring housing 30b, its contact point that is produced on distal portion and flexible contact of transmission telecommunication line 3 energy.More specifically, shown in Fig. 2 E, every wiring part 14 with make curved sheet metal 142 and be electrically connected.Therefore in addition, sheet metal 142 is used as contact point, wiring part 14 and flexible contact of transmission telecommunication line 3 energy in the shell 30 that connects up.Have above-described structure, transmission telecommunication line 3 has Elastic Contact.Under said structure, the every power line of transmission telecommunication line 3 and the contact point of each wiring part 14 must electrically contact.
Below, will describe the functional structure of display 1 now.
Illustrate simply as Fig. 3, display device 1 comprises data and electrical transmission/reception communication unit 15, this unit is connected with electrical transmission/reception telecommunication line 3 when its box is installed to wiring housing 30, and display control module 17, this unit is handled in implementation data on from the instruction basis of peripheral operation or monitor control unit 2, and data processing unit 16 and display control module are operated as direct current power (storage power) by the power source from data and electrical transmission/reception communication unit 15.Should here be pointed out that in Fig. 3 (or Fig. 5, will explain it after a while), data and electrical transmission/reception communication unit 15, data processing unit 16 and DCU data control unit 17 be separated from each other illustrated; Yet, under a kind of like this form, be familiar with these unit, be exactly they to be integrated in the integrated circuit be possible.
Fig. 4 illustrates the detailed structure of data and electrical transmission/reception communication unit 15.
More specifically, data and electrical transmission/reception communication unit 15 comprises following elements, notes, is placed on bracket internal reference numeral and refers to those usefulness numeral in the drawings.
(151) rectification circuit
This circuit is changing DC power (voltage) by power line 3 received power into bridge rectifier.
(152) voltage rating unit
This element judge rectified voltage and predefined magnitude of voltage VDD (＜VCC) whether equate or be higher than.
(153) memory element 153
This element commutating voltage be VDD or when higher, store this electric power, available electrolytic condenser.
(154) reception buffer
To logical data Rd1, it is a combination of logical one and logical zero to this element, and it is delivered to polarity identification part 155 the level translation of the translation data of the class pulse power of the balance that receives by power line 3.More precisely, an input counter-rotating, and the input that this has reversed is added to the input of another line from one of them and telecommunication line 3 in the data.When this result who adds is 0 or approaches 0 solution, output logic output Rd1 to be reversed to point out to receive from the level conversion of the class pulse power of the balance of order wire 3.
(155) polarity identification part
This element is identified in the power level of sending here from reception buffer 156 on the power line 3 on the basis of logical data Rd1, so as to make be transmitted/receive communication unit 15 identifications put the beginning logic level in logical one (or logical zero) unanimity.If the amplitude difference of the class pulse power of balance will be described it after a while, be positive with respect to datum, then logical data Rd1 fetch logic 1 is born and work as its difference, and then fetch logic 0.
(154) data processing section 154
This element produces the data of pulsegroup data be used for identification itself device (unit address own) and point out to be addressed to the data storage information of monitor control unit 1, and the data procedures wanted of execution.This data processing section 154 is set up like this, make that be recorded in the program coding of memory area (not shown) is read and carried out by the CPU (omitting in the drawings) of main device, and its is carried out one and is used to detect to the address of self device with from the electric power of the logical data Rd1 that is received impact damper 156 conversion and receives the cropper data, promptly, the data comparison process of definition meter (data transmission end signal), with be used for producing one when receiving the process of the used control signal of storage powers from memory storage 153 according to the detection faces of data of above-mentioned data, and this power is transmitted by transmission telecommunication line 3.
(157) transmission buffer 157
This element is controlled the power of supply power line 3 on the basis of control signal, and from polarity identification part 155 output signal Td3.
The storage power PD that is stored in the memory storage 153 is sent to data processing unit 16 and display controller unit 17.In addition, can be in canned data from the basis identification display control of the data Rd3 of data processing unit 154 output, or can be imported into data processing section 154 by the operation store information that operating personnel finish and make it be transferred to monitor control unit 2.
Fig. 5 illustrates the example of the function box structure of data processing unit 16 and display controller unit 17.
(161) data input unit
This element input down state of pointing out switch 12 and 13 in Fig. 2, or press release conditions, or from the on off state data of the reception data Rd3 of data and electrical transmission/reception communication unit 15.In the input data is under the situation of an instruction, and this instruction is sent to instruction operating part 162, and other data then are sent to main control part 165.
(162) instruction operating part
This element is judged a command content of sending here from monitor control unit 2 or the instructions by switch 12 and 13 inputs (instruction of being made by peripheral operation), and according to the content of judging demonstration part of detecting 163 or main control part 165 is delivered in indication.
(163) show part of detecting
This element is realized the operational testing of display part 11 according to the indication of being made by instruction operating part 162, and the content of operational testing will be in explanation after a while.
(164) data output unit
As The results of data processing and the data that are addressed to monitor control unit 2 that produce in self device are output to data and communication unit 15.
(165) main control part
This element is control operation timing all sidedly within this unit.
In addition, this element has the function of reading that controls to the data recording on the permanent memory 165a or be recorded in data in this storer.More precisely, according to from the instruction storage information of monitor control unit 2 or the order that makes by peripheral operation, can be recorded in permanent memory 165a to the data of being wanted and go up or read therefrom.So will write down or read external data just becomes possiblely, and this is impossible with routine techniques.
In addition, fail to carry out the function that is assigned to display part 11 and switch 12 and 13 and can dynamically be transformed into other function.For example, display part 11 shows the data from monitor control unit 2 usually; Yet go control section can make display device show that the data that produced by display part 11 become possibility, perhaps it can make data storage information under the situation that lamp switch 12 or pushbutton switch 13 are pressed, and the demonstration canned data of display part 11 changes according to the indication (instruction) from monitor control unit 2.In addition, might have a kind of like this structure, in this structure, pushbutton switch 13 has the function that increases (+) or reduce (-) data (numerical value) on the display device of being made up of 7 structure of program segment of many luminescent diodes 11.So, it is possible obtaining various functions under less hardware resource.As in the display device 1 of present embodiment, under the situation of device by the storage power supply work of data and telecommunication, usurping of a kind of like this function is very high.
＜wiring housing 〉
Then, will describe the wiring housing of present embodiment now.
Fig. 6 A illustrates an example of wiring shell structure to 6D, and Fig. 6 A illustrate top view, Fig. 6 B illustrated side view, and the front view when Fig. 6 C is shown in the cross section, and Fig. 6 D illustrates the front view when the cross section when display device 1 is mounted.In this example, be to prepare with the long box that the resin with U-shaped cross section is made.On the medial surface at position, housing bottom surface, be arranging to such an extent that be parallel each other basically with the conducting plate 31 of electrical transmission/received communication line 30 as data.The interior bottom surface position is formed the plane, make in its a vertical side and the installation that can be used to do conducting plate 31 fully of the zone that opposite side limited on all the other sides.
Here, be that cross-sectional area by it is determined because the electricity of conducting plate 341 is led, so when electricity was led increase, voltage drop just reduced.Therefore, can extend or amplify conducting plate 31.This means, to DC power with sample value, the wiring housing can further be extended, thereby, in same wiring housing 30 many display device 1 can be installed, maybe can reduce the DC power that is added to conducting plate 31, perhaps the distance between conducting plate 31 can be extended, so, prevent that the interference between them from just becoming possibility.At present embodiment, because this reason, the lower surface position of wiring housing 30 forms like this, makes bottom surface area do greatly as much as possible.
Wiring housing 30 has portion's section of an opening in the opposite at its lower surface position one side, and at the backset position, Bian Bi end of this peristome section one side 30a.Each town's shelves is designed to removably stop the mate 10b of display device 1.In order will to apply a power and to make engagement position 10b be disassembled from every display device 1 of backset position 30a dismounting from pin shelves position 30a.The box of wiring housing 30 is formed from a resin, and its limit wall has certain height, compares with housing, even do not have the limit wall or have on housing, if the height of wall is low, this box has more dirigibility, therefore, engagement and the dismounting of engagement position 10b become more convenient.The madial wall that should be noted that the box of wiring housing 30 will have a such height, make the contact point of connecting part 14 to realize contacting with conducting plate 31 when display device 1 is mounted.
＜monitor control unit 〉
Fig. 7 is the structural drawing that the major part of monitor control unit 2 is shown.
Monitor control unit 2 comprises the power (not shown) that is used to export DC power (magnitude of voltage) VCC at least, be used to be adjusted in the switches set (Sa1 and Sa4) of the electrical communication between current power VCC and data and the electrical transmission/received communication line 3, the power control section of opening Sheng/closure that is used for gauge tap group 21 divides 22, be used to produce designated address that comprises display device 1 and the designation data that is addressed to display device 1, with the data processing section 23 of carrying out the data necessary processing, and be used for the power level of data and electrical transmission/received communication line 3 is transformed to logical data, so that can be incorporated into it the reception buffer 24 of data processing section 23.Data processing section 23 also realizes that by outside I/O terminal (not shown) data shift at it self several other external device (ED)s.The switches set 21 and the collecting of electrical controls 22 are formed the power control tool of supplying party.Though it should be noted from the illustrating of figure, to be left in the basket that monitor control unit 2 has input/output port, make and to realize from the input of the n-bit data of display device 1 with to the output of the m-bit data of display device 1.
＜double-conductor type data and electrical transmission/received communication 〉
Then, will do simple the description to the double-conductor type data between display device 1 and monitor control unit 2 and electrical transmission/received communication now.
Fig. 8 is the processing procedure figure that is illustrated in the monitor control unit aspect, Fig. 9 is the processing procedure figure that is illustrated in display device 1 aspect, in fact Figure 10 illustrates how data are transmitted or receive by communicating by letter with electric power, and Figure 11 A and 11B are the data structure diagrams that is illustrated in data and the electrical transmission/received communication.
(monitor control unit is to display device): section ta time in Figure 10
Aspect monitor control unit 2, as shown in Figure 8, electric power is supplied with beginning step (S102) according to power-connections (S101) execution that resets, and transmission CPU (setting up the hardware of data processing section 23) is started (S103), therefore, just deliver to power control section and divide 22 (S104) being transmitted data Tds.
Data Tds is the pulsegroup data of being made by a combination of high level (logical one) and low level (logical zero), and is pointed as the top at Figure 10.The special canned data of pulsegroup data is, shown in Figure 11 A, and head (H), (such as resetting, signal output, input end/contain moving in instruction, the control beginning, data are recognized, and control stops, address setting, the beginning performance measurement, etc.), address with the appointment of display device 1 project, the canned data of appointment (the digital * * that throws light on, flasher, etc.) and delimiter (DM).
According to distributing in the pointed time of Figure 10, power control section divides 22 usefulness configuration switch group (Sa1 is to Sa4) on/off to control them, here, pointed as Figure 10, switch S a1 and Sa2 are controlled as disconnection, are switched on the result so switch Sb 1 and Sb2 have time delay t, power based on the class pulse of the balance of current power VCC is applied to transmission telecommunication line 3, and is pointed as the middle part at Figure 10.In the pulse power of this balance, when this power is reversed, produced t interval time.So, because a harmonic component will prevent short circuit, or generating noise is possible.
(display device is to monitor control unit): the time period t b in Figure 10
The storage signal that the data of transmitting are special, that is, the pulsegroup data that produced in data processing section 154 shown in Figure 11 B, are head (H), the address that itself installs, status data and delimiter (DM).Status data comprises on the basis of the canned data of appointment state notifying and other thing from should the signing of monitor control unit 2, self device.
After the transmission of data, that is, after the supply of equalizing pulse power, electric power receives and is begun (R106) again.
On the other hand, when time period t b, monitor control unit 2 is under high impedance control, in such one state that can receive from the equalizing pulse power of transmission telecommunication line 3.When receiving equalizing pulse power, this power is received impact damper 24 and is transformed into pulsegroup data Rds, then, delivers to data processing section 23 (Fig. 8 S106).Data processing section 23 paired pulses group data Rds decode, and the result is delivered to controller CON.After finishing this data transmission, electric power is supplied with and is begun (S107) again, and time period t c is that next electric power is transmitted the cycle length of (being shown device 1 receives).
Then, will be described in detail in the step of carrying out in the display device 1 now.
The step of＜decision polarity 〉
At first, will be to (Fig. 9: step R102) is described with polarity identification part 155.
＜on off state detects step 〉
Then, will be described in the lamp switch 12 on the data input unit 161 and the state of pushbutton switch 13 now.
As shown in figure 13, the pulse signal that rising edge arranged that when button be pressed obtain relevant with the operation of switch 12 and 13, or the pulse signal that the decline limit is arranged that obtains when being released in the hotel that is pressed, be imported into data input unit 161 from switch 12 and 13.Data input unit 161 allows pulse signals to have certain time interval to rise, and with the rising of pulse signal or the limit of failing as trigger pulse, and this pulse treated as switch data.The canned data of instructing operating part 162 and main control part 165 to return the switch data of sample acquisition is decoded and is realized essential step.Control part 165 go back identification light switch 12 or or the state of pushbutton switch 13, and the result of this identification is reflected in the canned data of the pulsegroup data that will deliver to monitor control unit 2 (status data).
Use above-described structure, not only be pressed, and when the switch that is pressed is released, just can produce switch data at switch.So, the state of lamp switch 12 and pushbutton switch 13 can be detected exactly.In addition, the moment after state that switch is pressed and the switch that is being pressed are released (that is, in short period time, switch is switched on and disconnects), can be detected exactly.Therefore, because switch 12 and 13 state can be detected exactly,, display device 1 receives data from the operator so being used as switch element.
＜demonstration testing procedure 〉
Then, will the demonstration part of detecting be described with demonstration part of detecting 163 and program segment administrative section 171 now.
As preceding description, the display part 11 that is shown in Fig. 1 or 2 has and is used for expressing letter, many luminescent diodes of each 7-program segment of signal and numeral.The display part 11 that is shown among these figure has 5 generation diodes, if the program segment of all luminescent diodes makes it luminous for showing test, it is very high that this power consumption becomes.Because display device 1 is the storage power work of leaning on, the operable time after receiving electric power becomes very short.In order to solve this defective in the present embodiment, all program segments of all these 5 luminescent diodes are not connected when showing test simultaneously, but each luminescent diode sequentially program segment then a program segment make its luminous certain interval time.A kind of like this demonstration test is illustrated in simply than 14.
The demonstration test that is illustrated in Figure 14 is inchoate when showing that part of detecting has received demonstration test indication from instruction operating part 162, and further, this demonstration part of detecting 163 is transferred to program segment management department 171 to control signal.Program segment administrative section 171 is managed the configuration data of each program segment that diode takes place independently and is sequentially connected program segment one by one according to control signal.When making all program segments luminous, show to be considered to normal, and when no, be considered to improper.When with the naked eye checking display, normal/improper be because the transient state of the supervisory programme section luminance of diagrammatic sketch 14 decides.Under the situation of display by monitor control unit 2 supervisory controls, the not existence of light-emitting procedure section/do not exist monitors by data and electrical transmission/received communication with at control section 165 by program segment administrative section 171.
＜applicating example 〉
To describe the telechirics of utilizing present embodiment now, produce examples of applications in the management.
At first, the manager of management merchandise sales utilizes controller CON to indicate to be displayed in the commodity number on each merchandise sales display rack.Monitor control unit 2 goes out for showing on the display part of each display device 1 by the specified number of manager to instruct to order wire 3 by the class pulse power of balance.Display device 1 obtains the pulsegroup data from the class pulse power of balance, and carries out this specified command, thus in the display part 11 numbers that show these commodity.
Product manager in display device 1 next door work confirm to be presented on the display device 1 number whether be presented at corresponding shelf on the commodity number the same.When these numbers conform to, just press lamp switch 12 as confirming input.On the other hand, if the commodity number does not conform to, press the button switch 13 and report this situation.According to switching manipulation, display device 1 is communicated by letter with the transmission of determining the affirmation result notification monitor control unit 2 of this sell goods number by data.Monitor control unit 2 is handled the affirmation result who sends from each display device 1 by controller CON notice.
In addition, also might notify this merchandise control person " the commodity number should be taken from display rack " from manager.In this case,, then should press the lamp switch mouth if merchandise control person can get the commodity number of appointment from shelf, and if do not have the commodity of sufficient amount, then should press pushbutton switch 13.So, just can confirm to get the commodity of being wanted whether rightly.
And, owing to display device 1 can easily be loaded onto or be unloaded, so, be possible from manager indication merchandise control person " store shelf never re-using removes display device 1 ".In this case, merchandise control person is for will be before in fact display is withdrawn, confirming send back to manager, or the notice manager, so can not remove display because also have some commodity to stay on the shelf, he will operating light switch 12 or pushbutton switch 13.
As described above, according to the double-conductor type telecontrol system of above-described embodiment, the transmission of power is as the going out transmission mutually and can only use the transmission order wire of being made up of two power lines 3 to implement of data, so wiring operations can be simplified.
In addition, special display device 1 can be stipulated with the address from monitor control unit 2 of specifying it, and can be encoded to special display device 1 to an indication.So, can easily increase the platform number of display device 1.And electric power transfer and data communication are to implement by the power of the class pulse of balance, so, can prevent power attenuation, can also suppress the generation of noise.In addition, do not need to provide the circuit that is specifically designed to demodulation.So, to compare with routine techniques, communication speed is improved significantly.
As long as simply display device 1 is installed on the wiring housing 30, just can be set in the unit 15,16 and 17 of display device 1 and can 2 make state, and on the direction of being scheduled to, apply a power simply, just can unload display device 1.So, realize that the system of good operability becomes possibility.
Therefore, according to present embodiment, set up a noticeable extensive use in low cost, can network system all use power of remote control and that carry out the device of logic communication mutually be possible.
Can be clear in the description that provides from above, according to the present invention, provide a kind of can be from the receiver-side double-conductor type telecontrol system of judgment data polarity exactly.In addition, also realized a kind of various generally, had so different functions and to suppress the double-conductor type telecontrol system of power consumption.
In the scope that does not deviate from main essence of the present invention and protection, can make various embodiment and variation there.Above-described embodiment will illustrate the present invention, does not limit protection scope of the present invention.Protection scope of the present invention is shown in the appending claims, rather than this embodiment.That ask an equal implication within the book fruit of the present invention and various modifications within claims all are considered to be in protection scope of the present invention.
Claims (9)
1. double-conductor type telecontrol system comprises:
The wiring housing that comprises two power lines;
One control device comprises:
Be used to produce and represent one to want the assigned address of controlled destination apparatus and the generator of the pulsegroup data of the control data that is addressed to destination apparatus; With
Be used for DC power being transformed to the power of equalizing pulse waveform also the power controller of converted power supply to two power lines according to the pulsegroup data that produced; And
At least one controlled device, housing makes described control device and at least one controlled device be electrically connected to each other by two power circuits thereby it removably is attached to wiring, comprising:
Be used for the converted power that is received from two power lines is carried out the charger of rectification to be recharged;
The logical message that is used for being included in the pulsegroup data in the equalizing pulse waveform power that is received is read pre-determined number, and judge the polarity discriminating device of the power polarity of described equalizing pulse waveform from the power level of described logical message, described polarity discriminating device carries out the differentiation of polarity under the situation of the same polarity of reading pre-determined number continuously;
Data processor, be used for whether being included in the power that has received, when the assigned address that itself installs is included in the power that has received, carry out data processing from pulsegroup data extract control data with according to the control data that is extracted according to the assigned address of the polarity decision of having discerned device itself; And
Be used to show display by the data result of data processor processes.
2. double-conductor type telecontrol system as claimed in claim 1 is characterized in that at least one controlled device further comprises:
Be used to produce the assigned address of representative device itself and to the number generator of another pulsegroup data of the response data of described control device; With
According to another pulsegroup data by the Power Conversion of charger storage to the power of equalizing pulse waveform and the power controller of converted power supply to pair power lines, and
Described control device also comprises and being used for when the power controller of the power controlled device that is added at least one controlled device stops by two power lines from least one controlled device received power and to being included in the data processor of another pulsegroup data decode of received power.
3. double-conductor type telecontrol system as claimed in claim 1, it is characterized in that at least one controlled device also comprises nonvolatile memory, it is readable by the data processor of at least one controlled device, thereby and the data processor of at least one controlled device carry out data processing according to carry out selectively from the request of described control device to/write or data read from the data of nonvolatile memory.
4. double-conductor type display device, be electrically connected with control device but be attached to demolition on the wiring housing that comprises two power lines and by the two power lines in the wiring housing, described control device is according to representing target purpose assigned address and DC power being transformed to the power of equalizing pulse waveform to the pulsegroup data of the control data of target purpose, and converted this pair of power supply power line, described double-conductor type display device comprises:
Be used for the transform power that is received from two power lines is carried out the charger of rectification to be recharged;
The logical message that is used for being included in the pulsegroup data in the equalizing pulse waveform power that has received is read pre-determined number, and judge the polarity discriminating device of the power polarity of described equalizing pulse waveform from the power level of described logical message, described polarity discriminating device carries out the differentiation of polarity under the situation of the same polarity of reading described pre-determined number continuously;
Data processor, whether be used for assigned address according to the polarity decision of having discerned itself device is included in the received power, when the assigned address of device itself when being included in the received power from pulsegroup data extract control data, and carry out data processing according to the control data that is extracted;
Be used for the display of visualization by the data result of data processor processes;
Be used for receiving the receiver of data output from external device (ED);
Be used to produce representative device assigned address itself and to the number generator of another pulsegroup data of described control device response data, this response data comprises the data input that is received by receiver; And
Be used for the Power Conversion that is recharged the device storage also being arrived converted power supply to the power of equalizing pulse waveform the power controller of two power lines according to another pulsegroup data.
5. display device as claimed in claim 4 is characterized in that display is designed to represent letter, symbol and/or numeral by the combination of a plurality of display segments, and
Display device further comprises by opening described section continuously one by one carries out the demonstration test circuit that shows test.
6. display device as claimed in claim 4 it is characterized in that displaying appliance is useful on the switch of revising the display displaying contents, and switch is designed to the software operation method Presentation Function of common appointment be changed into another Presentation Function.
7. display device as claimed in claim 4, it is characterized in that also comprising: a switch and a switch data generator, output one represent one pulse signal in the binary value and export another a pulse signal of representing in the binary value when the down state of this switch of relieving when this switch is pressed; Described switch data generator produces the switch data of representing this change when the output valve from switch is changed, wherein, switch data is reflected in the content of response data.
8. display device as claimed in claim 4 is characterized in that further comprising a pair of wire guiding member that is connected to two power lines when being attached on the wiring housing respectively, and wherein, the contact of each wiring part and each power line are made Elastic Contact.
9. display device as claimed in claim 4, it is characterized in that further comprising Elastic Meshing mechanism, be used for itself being engaged to described wiring housing, thereby and it unloaded from the wiring housing by power being applied to described wiring housing along the second direction different with first direction by power being applied on the device main body along first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011439777A CN100342411C (en) | 2001-12-25 | 2001-12-25 | Double-conductor type telecontrol system and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011439777A CN100342411C (en) | 2001-12-25 | 2001-12-25 | Double-conductor type telecontrol system and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1428748A CN1428748A (en) | 2003-07-09 |
| CN100342411C true CN100342411C (en) | 2007-10-10 |
Family
ID=4677284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011439777A Expired - Lifetime CN100342411C (en) | 2001-12-25 | 2001-12-25 | Double-conductor type telecontrol system and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100342411C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047580A (en) * | 1990-02-19 | 1990-12-05 | 杜永恩 | A kind of traffic safety telechirics and method |
| JPH07283765A (en) * | 1994-04-04 | 1995-10-27 | Aioi Syst:Kk | Method and device for two-wire power transmission/ reception communication |
| JPH10177353A (en) * | 1996-10-14 | 1998-06-30 | Sekisui Jushi Co Ltd | Display device and wiring duct base |
-
2001
- 2001-12-25 CN CNB011439777A patent/CN100342411C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047580A (en) * | 1990-02-19 | 1990-12-05 | 杜永恩 | A kind of traffic safety telechirics and method |
| JPH07283765A (en) * | 1994-04-04 | 1995-10-27 | Aioi Syst:Kk | Method and device for two-wire power transmission/ reception communication |
| JPH10177353A (en) * | 1996-10-14 | 1998-06-30 | Sekisui Jushi Co Ltd | Display device and wiring duct base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1428748A (en) | 2003-07-09 |
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Granted publication date: 20071010 |