CN203054721U - Information input device - Google Patents
Information input device Download PDFInfo
- Publication number
- CN203054721U CN203054721U CN 201220674576 CN201220674576U CN203054721U CN 203054721 U CN203054721 U CN 203054721U CN 201220674576 CN201220674576 CN 201220674576 CN 201220674576 U CN201220674576 U CN 201220674576U CN 203054721 U CN203054721 U CN 203054721U
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- circuit
- output circuit
- input
- control circuit
- input device
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Abstract
An information input device comprises an input port, a control circuit and a display device, wherein the input port is used for receiving data which are input externally. The control circuit is connected with the input port in a coupling mode. The display device is used for displaying data processed by the control circuit. The control circuit comprises a control bus, a bus coupler, a single-chip microcomputer, an output circuit, a power source module and an analog input switching circuit, wherein the control bus, the bus coupler, the single-chip microcomputer, the output circuit, the power source module and the analog input switching circuit are connected in an intercoupling mode. The analog input switching circuit is composed of a voltage switching circuit and a current and voltage switching resistor which is connected with the voltage switching circuit. The power source module is a direct current power source. The output circuit is a relay output circuit. The relay output circuit is a four-way relay output circuit. The information input device can achieve mutual information communication, conducts information exchange in every way, and not only enables a communication scope to be wide, and enables communication speed to be high, but also can overcome the shortcomings of all communication modes, and integrates the advantages of all the communication modes.
Description
Technical field
The utility model relates to a kind of message input device.
Background technology
Along with the fast development of infotech and the quickening of business community activity, people are also more and more urgent and frequent to demand and the exchange of information.How can in huge quantity of information, in time find own required information to become vital problem in life and the business activity whenever and wherever possible.Particularly in long-range message exchange, use the quick exchange of different information terminal instrument match information that daily life and commercial operation are had very big influence.How to serve for people provide this type of quickly and easily, become a major issue of being badly in need of solution.And present information input mode is still more original, can not satisfy demand instantly.
The utility model content
The purpose of this utility model is to provide a kind of message input device that overcomes above-mentioned technical matters.
For solving the problems of the technologies described above, the utility model message input device comprises: input port is used for acceptance from the data of outside input; Control circuit, described control circuit and described input port are of coupled connections; Display device is used for showing through the control circuit data processed; Described control circuit comprises control bus, bus coupler, single-chip microcomputer, output circuit, power module and the analog quantity input change-over circuit that intercouples and connect; Described analog quantity input change-over circuit comprises voltage conversion circuit and the current/voltage transfer resistance that is connected with described voltage conversion circuit.Described power module is direct supply.Described output circuit is the relay output circuit.Described relay output circuit is No. four relay output circuits.
The utility model message input device adopts the mode of control bus, realize that the input of many clocks separate analogue amount detects, can connect standard input signal, 10 mould/number conversion precision can realize information interchange each other, carry out information exchange in many ways, not only make the scope of interchange more extensive, speed is more fast, also can overcome the shortcoming of various communication modes, and merges the advantage of various communication modes.
Description of drawings
Fig. 1 is the principle of work block diagram of the utility model message input device.
Fig. 2 is the utility model message input device analog quantity input change-over circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model message input device is described in further detail.
As shown in Figure 1 and Figure 2, the utility model message input device comprises: input port is used for acceptance from the data of outside input; Control circuit, described control circuit and described input port are of coupled connections; Display device is used for showing through the control circuit data processed; Described control circuit comprises control bus, bus coupler, single-chip microcomputer, output circuit, power module and the analog quantity input change-over circuit that intercouples and connect.Described power module is direct supply.Described output circuit is the relay output circuit.Described relay output circuit is No. four relay output circuits.
Analog quantity input change-over circuit comprises that R10 is the current/voltage transfer resistance, converts current signal to voltage signal.U2, R3, R4, R5, R6, R7, R8, R9, C9, C10, C11 constitute voltage conversion circuit, convert analog input signal to d. c. voltage signal, and the input single-chip microcomputer realizes that the analog quantity input detects.
The utility model message input device adopts the mode of control bus, realize that the input of many clocks separate analogue amount detects, can meet 0～5V/10V, 4～20mA standard input signal, 10 mould/number conversion precision, can realize information interchange each other, carry out information exchange in many ways, not only make the scope of interchange more extensive, speed is more fast, also can overcome the shortcoming of various communication modes, and merge the advantage of various communication modes.
Below the preferred embodiment of the utility model having been created specifies, but the utility model is not limited to embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the utility model creative spirit, the modification that these are equal to or replacement all are included in the application's the scope.
Claims (4)
1. message input device is characterized in that, comprising:
Input port is used for acceptance from the data of outside input;
Control circuit, described control circuit and described input port are of coupled connections;
Display device is used for showing through the control circuit data processed;
Described control circuit comprises control bus, bus coupler, single-chip microcomputer, output circuit, power module and the analog quantity input change-over circuit that intercouples and connect;
Described analog quantity input change-over circuit comprises voltage conversion circuit and the current/voltage transfer resistance that is connected with described voltage conversion circuit.
2. message input device according to claim 1 is characterized in that, described power module is direct supply.
3. message input device according to claim 1 is characterized in that, described output circuit is the relay output circuit.
4. message input device according to claim 3 is characterized in that, described relay output circuit is No. four relay output circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674576 CN203054721U (en) | 2012-12-10 | 2012-12-10 | Information input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674576 CN203054721U (en) | 2012-12-10 | 2012-12-10 | Information input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054721U true CN203054721U (en) | 2013-07-10 |
Family
ID=48737653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220674576 Expired - Fee Related CN203054721U (en) | 2012-12-10 | 2012-12-10 | Information input device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203054721U (en) |
-
2012
- 2012-12-10 CN CN 201220674576 patent/CN203054721U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20211210 |