CN202794928U - Address coding device - Google Patents
Address coding device Download PDFInfo
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- CN202794928U CN202794928U CN 201220399491 CN201220399491U CN202794928U CN 202794928 U CN202794928 U CN 202794928U CN 201220399491 CN201220399491 CN 201220399491 CN 201220399491 U CN201220399491 U CN 201220399491U CN 202794928 U CN202794928 U CN 202794928U
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Abstract
The utility model discloses an address coding device, aiming at solving technical problems of performing parameter configuration rapidly and conveniently in building intercommunication systems, monitoring systems and fire-fighting systems. The address coding device consists of an RC circuit, a sampling pulse circuit and a single-chip microcomputer, wherein the RC circuit is used for generating and obtaining different charging pulse times when capacitors are charged with resistors with different resistance values; the sampling pulse circuit is used for acquiring and obtaining the charging pulse times; and the single-chip microcomputer is used for controlling resistors with different resistance values in the RC circuit to charge capacitors in the RC circuit and storing the charging pulse times acquired by the sampling pulse circuit. Compared with the prior art, the address coding device has the set resistor pins to be printed with corresponding numbers, and through changing pin-shaped resistors in a configuration device socket in the device, performs configuration of parameters such as addresses and room numbers on devices such as a host machine, extensions, converters and power supplies; the address coding device is characterized by simple and convenient operation and high reliability; and the address coding device selects the resistor pins clearly and explicitly, thereby completing the address configuration.
Description
Technical field
The utility model relates to a kind of safety monitoring equipment, particularly a kind ofly give equipment in building conversational system, supervisory system, the fire-fighting system such as main frame, extension set, converter, power supply and subregion selector switch, carry out the inking device that address, address realm, room number, number of floor levels and mode of operation are set.
Background technology
At present, building conversational system, supervisory system, fire-fighting system have been widely used in industrial district and residential quarters.In building conversational system, supervisory system, fire-fighting system are installed, need to the parameter that the device Host in these systems, extension set, converter, power supply and subregion selector switch carry out address, address realm, room number, number of floor levels and mode of operation be configured.The collocation method of prior art, the binary digital encoding form of the employing binary-coded decimal that has allows the CPU of equipment read configuration information.The employing key-press input form that has is configured.These collocation methods are more complicated, loaded down with trivial details all, causes easily the maloperation of configuration, and all can not reach the convenient, simple, fast purpose of use equipment.
Summary of the invention
The purpose of this utility model provides a kind of geocoding device, and the technical matters that solve is in building conversational system, supervisory system, fire-fighting system, the convenient and swift parameter configuration of carrying out.
The utility model is by the following technical solutions: a kind of geocoding device, and described geocoding device is made of RC circuit, sampling pulse circuit and single-chip microcomputer; When described RC circuit is used for resistance to the different resistances of RC circuit to the capacitor charging in the RC circuit, produce the different charging pulse time that obtains; The resistance of different resistances that described sampling pulse circuit is used for the RC circuit collects the charging pulse time during to the capacitor charging in the RC circuit; Described single-chip microcomputer is used for the resistance of the different resistances of control RC circuit to the capacitor charging in the RC circuit, the charging pulse time that the store sample pulsing circuit gathers.
RC circuit of the present utility model is the circuit that resistance and capacitances in series form.
The resistance of RC circuit of the present utility model is made of resistance and the reference resistance of different resistances, and the resistance of different resistances and reference resistance form and be connected in parallel, through the electric capacity formation loop of hyperchannel selector switch and RC circuit.
The resistance of different resistances of the present utility model is plugged on the IC seat, and the output terminal of an IC seat is connected with the input end of hyperchannel selector switch.
Sampling pulse circuit of the present utility model is connected with the hyperchannel selector switch by the I/O port of single-chip microcomputer, and the delivery outlet of hyperchannel selector switch consists of through the timer input port that the second resistance connects single-chip microcomputer.
Hyperchannel selector switch of the present utility model adopts 74HCF4051, and an IC seat adopts the direct insertion IC seat of 12 hole 2.54mm pitch-rows, and single-chip microcomputer adopts PIC18F66J11, and electric capacity is 100nF, and the second resistance is 1K, and reference resistance is 3.9K, and the resistance of different resistances is 6.
The resistance of RC circuit of the present utility model is made of resistance and the reference resistance of different resistances, and the resistance of different resistances is plugged on the configurator, and with the electric capacity formation loop of RC circuit, the electric capacity of reference resistance and RC circuit forms the loop.
One termination configurator and reference resistance of the electric capacity of RC circuit of the present utility model, other end ground connection, the I/O port of single-chip microcomputer joins with the address port of configurator respectively.
Sampling pulse circuit of the present utility model is connected with single-chip microcomputer by reference resistance, and the 3rd resistance and single-chip microcomputer connect and compose.
Configurator of the present utility model adopts 74HCF4051, and single-chip microcomputer adopts PIC18F66J11, and electric capacity is 100nF, and the 3rd resistance is 1K, and reference resistance is 3.9K, and the resistance of different resistances is 10.
The utility model compared with prior art, its the corresponding numeral of resistance contact pin printing that is setting, resistance by contact pin shape on the configurator socket in the change equipment, the equipment such as main frame, extension set, converter and power supply are carried out address and the isoparametric configuration of room number, have characteristics easy and simple to handle, that reliability is high, clear and clear and definite selection resistance contact pin is finished address configuration.
Description of drawings
Fig. 1 is geocoding device circuit block diagram of the present utility model.
Fig. 2 is the circuit diagram of the utility model embodiment 1.
Fig. 3 is the circuit diagram of the utility model embodiment 2.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, geocoding device of the present utility model is provided with the RC circuit, sampling pulse circuit and the single-chip microcomputer that are linked in sequence.
In the RC circuit, the 3rd capacitor C 3 values are fixing, and+3.3v power supply charges to the 3rd capacitor C 3 by the reference resistance that the first precision resistance R1 consists of, and produces reference charge burst length (burst length) T.When the resistance contact pin with printed words of+3.3v power supply through being inserted in the upper different resistances of an IC seat CN1 charges to the 3rd capacitor C 3, the charging pulse asynchronism(-nization) that produces, with these burst lengths respectively divided by after the reference pulse time T, can obtain different ratio, the resistance that multiply by reference resistance with these ratios in single-chip microcomputer obtains different numerical value, the numerical code that different resistances is corresponding different, be listed as into the form such as table 1, just can find corresponding numerical code, numerical code is used for expression room number, floor, unit number parameter information.Therefore, the resistance contact pin of the resistance value that these are different can be inserted on the jack of A, B, C, D, E, F mouth of an IC seat CN1, and can Reusability.
The sampling pulse circuit is connected and composed with address port A, B, the C of an IC U1 respectively by three I/O I/O mouth P0.0, P0.1 of single-chip microcomputer, P0.2 pin.Behind+3.3v Power supply, program by single-chip microcomputer inside determines that I/O mouth P0.0, P0.1, the P0.2 of single-chip microcomputer are respectively high level, high level, low level, this group signal makes address port A, the B of an IC U1, C also be respectively high level, high level, low level, this makes another input end X6 and the delivery outlet X conducting of an IC U1, and remaining input end and output port X disconnect.Electric current enters another input end X6 of an IC U1 through the first precision resistance R1, and from its delivery outlet X outflow, the 3rd capacitor C 3 is charged.The pulse signal that charging produces enters the timer input port T0 of single-chip microcomputer through the second resistance R 2.Charge complete after, the program that single-chip microcomputer is set can be ground connection to T0 poll tax on children " 0 ", and the 3rd capacitor C 3 is fully discharged.So just finished a timing, current duration of charging single-chip microcomputer is designated as T, and this time is exactly the reference time.
Then, the program of single-chip microcomputer inside can compose respectively binary number 000,001,010,011,100,101 for one by one other I/O mouths P0.0, P0.1, P0.2, and " 1 " is high level, and " 0 " is low level.The contact pin resistance that makes the band printing that is inserted on the IC seat CN1 by jack A, B on the IC seat CN1, C, D, E, F one by one with the delivery outlet X conducting of hyperchannel selector switch U1.Therefore, this conducting meeting of 6 times is in order to the 3rd capacitor C 3 chargings 6 times.Every charging once, the program that single-chip microcomputer is set can be given its timer input port T0 ground connection once, to 3 discharges of the 3rd capacitor C.
Single-chip microcomputer adopts PIC18F66J11.
Behind+3.3v the power supply electrifying, compose 110,000,001,010,011,100,101 for respectively in order address port A, the B of an IC U1, C, " 1 " is high level, and " 0 " is low level.Wherein, " 110 " are for connecting another input end X6 and the delivery outlet X conducting of an IC U1, remaining input end and output port X disconnection.All the other are input end X0, X1, X2, X3, X4, X5 and the output port X that connect successively an IC U1.
Comprise the reference charge time, to seven duration of charging of the 3rd capacitor C 3, can be stored by single-chip microcomputer inside, with six A that are inserted in an IC seat CN1 wherein, B, C, D, E, the duration of charging that the resistance contact pin with printed words on the F mouth produces, in order respectively divided by the reference charge time T, can obtain six ratios, the resistance that these ratios multiply by the first precision resistance R1 again obtains different numerical value, just can obtain the numerical value of table 1 and the corresponding relation of numerical code by these six numerical value, in table 1, find corresponding numerical code, single-chip microcomputer stores this 6 numerical codes, and these 6 numerical codes just can represent the address, floor number, room number information.
In the present embodiment, the 3rd capacitor C 3 is 100nF, and the second resistance R 2 is 1K, and the first precision resistance R1 is 3.9K, and is as shown in table 1 with the corresponding relation of the resistance of the resistance configuration device contact pin of printed words and heuristicimal code.
In the Practical Project, want according to configuration information number needs different in intercom system, supervisory system or the fire-fighting system, can adopt different IC seats and hyperchannel selector switch to cooperate, can realize corresponding parameter configuration.
Burst length and the reference pulse time of these detections are carried out division calculation, and the sexadecimal that can draw its mapping is digital.
In the present embodiment, the 4th capacitor C 4 is 100nF, and the 3rd resistance R 3 is 1K, and the 4th precision resistance R4 is 3.9K, and single-chip microcomputer adopts PIC18F66J11, and the 2nd IC seat CN2 adopts the direct insertion IC seat of 20 hole 2.54mm pitch-rows configurator.
As shown in Figure 2, using method of the present utility model is as follows:
1, determine reference resistance R1 value, the first resistance R 1 is connected with the 3rd capacitor C 3 consists of the loop.Electric current charges to the 3rd capacitor C 3 by reference resistance R1, and the burst length T that whole charging process produces can measure by the timer of single-chip microcomputer inside.Be inserted with the contact pin resistance with printed words on the dual-in-line IC seat CN2, public the 3rd capacitor C 3 of these resistance, connecting with the 3rd capacitor C 3 respectively consists of the loop.Before the 3rd capacitor C 3 was charged again, the second resistance R 2 one end ground connection that single-chip microcomputer will be connected with the input port T0 of single-chip microcomputer first allowed the 3rd capacitor C 3 fully discharge through the second resistance R 2, discharge the electric charge on the 3rd capacitor C 3.
2, as shown in table 1, the resistance that is inserted on the IC seat CN1 with the contact pin resistance of printed words is corresponding with the sexadecimal number in the table 1.Be press figure " 1 " on the contact pin resistance of 820K Ω in resistance, this contact pin resistance is made as the first resistance R 1.Be press figure " 2 " on the contact pin resistance of 680K Ω in resistance, this contact pin resistance is made as the second resistance R 2.Be press figure " 3 " on the contact pin resistance of 560K Ω in resistance, this contact pin resistance is made as the 3rd resistance R 3.The like, the contact pin resistance that can be set to resistance and be 2.2K Ω is made as the 15 resistance R 15 and print character " F ".From the above, the contact pin resistance R 1 of band printed words " 1 " is greater than the contact pin resistance R 2 of band printed words " 2 ", and the contact pin resistance R 2 of band printed words " 2 " is greater than the contact pin resistance R 3 of band printed words " 3 ".By that analogy, the contact pin resistance R 8 of band printed words " 8 " is greater than the contact pin resistance R 9 of band printed words " 9 ".We only need to use above-mentioned " 1 " to " 9 " to get final product in the practical application.These contact pin resistance that are printed with numeral are inserted on the IC seat CN1 according to address value.The coded address is 1512.Just will be inserted in the contact pin resistance R 1 of printed words " 1 " A hole and the C hole of an IC seat CN1, will be inserted in the contact pin resistance R 5 of printed words " 5 " the B hole of an IC seat CN1, will be inserted on the D hole of an IC seat CN1 with the contact pin resistance R 2 of printed words " 2 ".The one IC U1 is equivalent to a switch, consists of the loop with being inserted on the IC seat CN1 to connect with the 3rd capacitor C 3 with the contact pin resistance of printed words.The contact pin resistance with printed words charges to the 3rd capacitor C 3 same electric current on the IC seat CN1 by being inserted in, and measures the duration of charging with single-chip microcomputer again.Example described above (one), address are 1512.Four contact pin resistance with printed words have been inserted on the IC seat CN1.Electric current is through being inserted in the contact pin resistance of band printed words " 1 " in an IC seat CN1 A hole, and duration of charging of C3 is designated as T1; Electric current is through being inserted in the contact pin resistance of band printed words " 5 " in an IC seat CN1 B hole, and duration of charging of C3 is designated as T2; Electric current is through being inserted in the contact pin resistance of band printed words " 1 " in an IC seat CN1 C hole, and duration of charging of C3 is designated as T3; Electric current is through being inserted in the contact pin resistance of band printed words " 2 " in an IC seat CN1 D hole, and duration of charging of C3 is designated as T4.Because R1〉R2〉R5, after RC duration of charging formula: t=ln10 * r * c calculates, as can be known, and T1=T3〉T4〉T2.
3, in the example (), the address of equipment is that 1512(equipment is installed in rooms 12, the 15th buildings), so, just can represent successively this 4 bit address with 4 contact pin resistance R 1 with printed words, R5, R1, R2, finish the coding of address.T1, T2, T3, T4 respectively divided by the reference charge time T, are made as K1, K2, K3, K4 with four ratios that obtain.With K1, K2, K3, K4 respectively divided by the first precision resistance R1 among Fig. 2, four numerical value that draw so just can find in table 1, the result of these four values is corresponding 1,5,1,2 (that is, address number) in table 1, and single-chip microcomputer can store these data messages.As on figure two, the one IC seat CN1 six jacks being arranged, the six bit address codes of then can encoding.The single-chip microcomputer acquiescence is not inserted contact pin resistance and is represented address number " 0 " on the IC seat.
The utility model uses the hyperchannel selector switch can select the 3rd capacitor C 3 to connect with being inserted on one of them mouthful of IC seat CN1 the contact pin resistance with printed words, also can be directly selects the 3rd capacitor C 3 and is inserted on the 2nd one of them mouthful of IC seat CN2 the contact pin resistance with printed words and connects through the I/O of single-chip microcomputer.The former can save the I/O mouth of single-chip microcomputer, and the latter will take a large amount of I/O mouths.
(1) use the hyperchannel selector switch to carry out address configuration.
At first, the meaning (such as ten positions of floor, hundred ten positions of room number etc.) that represents according to each slot in the address size definition resistance configuration socket of equipment.Wherein, the port of slot one side connects high level, and the input port of opposite side and MUX joins respectively.Simultaneously, draw a precision resistance at an input end of selector switch, as the reference resistance R.
Secondly, connect over the ground an electric capacity at the output terminal of this selector switch, and an I/O mouth of this interface and single-chip microcomputer is joined.The I/O of address interface A, B, C and the single-chip microcomputer of this selector switch is joined.
At last, in resistance configuration IC socket, insert the resistance contact pin (resistance is direct insertion packaged, and plug easily) of different resistances.Charging pulse in single-chip microcomputer detection RC circuit is during the time, and the burst length that the resistance contact pin of different resistances produces can be different.After capacitor charging being finished, discharge to it at every turn, then could again charge.By, single-chip microcomputer is to the selection of this selector switch A, B, C port address, and single-chip microcomputer can detect the burst length that different resistance contact pins produce one by one.Then, can be mapped to one by one sexadecimal number by these time datas, reach the purpose of address configuration.
(2) directly use the I/O mouth to carry out system configuration.
Similar with (1), the method also is by detecting the duration of charging of RC circuit, mapping out one by one sexadecimal number.Difference is, this configuration resistance socket one side joint ground, and a side joint I/O mouth comes each I/O mouth is added high level by scm software.This mode can take more I/O mouth.When single-chip microcomputer has more idle I/O, can consider the method.
Table 1 is with the resistance of the resistance configuration device contact pin of printed words and the corresponding relation of heuristicimal code
Claims (10)
1. geocoding device, it is characterized in that: described geocoding device is made of RC circuit, sampling pulse circuit and single-chip microcomputer; When described RC circuit is used for resistance to the different resistances of RC circuit to the capacitor charging in the RC circuit, produce the different charging pulse time that obtains; The resistance of different resistances that described sampling pulse circuit is used for the RC circuit collects the charging pulse time during to the capacitor charging in the RC circuit; Described single-chip microcomputer is used for the resistance of the different resistances of control RC circuit to the capacitor charging in the RC circuit, the charging pulse time that the store sample pulsing circuit gathers.
2. geocoding device according to claim 1 is characterized in that: described RC circuit is the circuit that resistance and capacitances in series form.
3. geocoding device according to claim 2, it is characterized in that: the resistance of described RC circuit is made of resistance and the reference resistance (R1) of different resistances, the resistance of different resistances and reference resistance (R1) form and are connected in parallel, through the electric capacity formation loop of hyperchannel selector switch and RC circuit.
4. geocoding device according to claim 3, it is characterized in that: the resistance of described different resistances is plugged on the IC seat (CN1), and the output terminal of an IC seat (CN1) is connected with the input end of hyperchannel selector switch.
5. geocoding device according to claim 4, it is characterized in that: described sampling pulse circuit is connected with the hyperchannel selector switch by the I/O port of single-chip microcomputer, and the delivery outlet of hyperchannel selector switch (X) consists of through the timer input port (T0) that the second resistance (R2) connects single-chip microcomputer.
6. geocoding device according to claim 5, it is characterized in that: described hyperchannel selector switch adopts 74HCF4051, the one IC seat (CN1) adopts the direct insertion IC seat of 12 hole 2.54mm pitch-rows, single-chip microcomputer adopts PIC18F66J11, electric capacity is 100nF, the second resistance (R2) is 1K, and reference resistance (R1) is 3.9K, and the resistance of different resistances is 6.
7. geocoding device according to claim 2, it is characterized in that: the resistance of described RC circuit is made of resistance and the reference resistance (R4) of different resistances, the resistance of different resistances is plugged on the configurator, form the loop with the electric capacity of RC circuit, reference resistance (R4) forms the loop with the electric capacity of RC circuit.
8. geocoding device according to claim 7 is characterized in that: a termination configurator of the electric capacity of described RC circuit and reference resistance (R4), and other end ground connection, the I/O port of single-chip microcomputer joins with the address port of configurator respectively.
9. geocoding device according to claim 8, it is characterized in that: described sampling pulse circuit is connected with single-chip microcomputer by reference resistance (R4), and the 3rd resistance (R3) connects and composes with single-chip microcomputer.
10. geocoding device according to claim 9 is characterized in that: described configurator employing 74HCF4051, single-chip microcomputer employing PIC18F66J11, electric capacity is 100nF, the 3rd resistance (R3) is 1K, and reference resistance (R4) is 3.9K, and the resistance of different resistances is 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220399491 CN202794928U (en) | 2012-08-13 | 2012-08-13 | Address coding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220399491 CN202794928U (en) | 2012-08-13 | 2012-08-13 | Address coding device |
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| Publication Number | Publication Date |
|---|---|
| CN202794928U true CN202794928U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220399491 Expired - Fee Related CN202794928U (en) | 2012-08-13 | 2012-08-13 | Address coding device |
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| Country | Link |
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| CN (1) | CN202794928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192929A (en) * | 2017-06-21 | 2017-09-22 | 贵州电网有限责任公司电力科学研究院 | The GIS Partial discharge signals source system and application method verified for superfrequency monitoring system |
| DE102017106400A1 (en) | 2017-03-24 | 2018-09-27 | Endress+Hauser SE+Co. KG | Configuration switch and bus users with such a configuration switch |
-
2012
- 2012-08-13 CN CN 201220399491 patent/CN202794928U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017106400A1 (en) | 2017-03-24 | 2018-09-27 | Endress+Hauser SE+Co. KG | Configuration switch and bus users with such a configuration switch |
| US11436174B2 (en) | 2017-03-24 | 2022-09-06 | Endress+Hauser SE+Co. KG | Configuration switch and bus participant comprising such a configuration switch |
| CN107192929A (en) * | 2017-06-21 | 2017-09-22 | 贵州电网有限责任公司电力科学研究院 | The GIS Partial discharge signals source system and application method verified for superfrequency monitoring system |
| CN107192929B (en) * | 2017-06-21 | 2023-11-03 | 贵州电网有限责任公司电力科学研究院 | GIS partial discharge signal source system for checking ultrahigh frequency monitoring system and use method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SHIDEAN LEGRAND ELECTRONIC PRODUCTS CO., Free format text: FORMER NAME: SHENZHEN SHIDEAN-LEGRAND ELECTRONIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000, Guangdong, Nanshan District hi tech Industrial Park, No. two, No. 5, Lu Qimin Road, Yu Yang building, south of Shenzhen Patentee after: Shenzhen Shidean Legrand Electronic Products Co., Ltd. Address before: 518053 Guangdong city of Shenzhen province Nanshan District Baishizhou Shahe Industrial Zone 39 Patentee before: Shenzhen Shidean Legrand Electronic Products Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |