CN202886025U - Intelligent pressure transmitter - Google Patents
Intelligent pressure transmitter Download PDFInfo
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- CN202886025U CN202886025U CN 201220572241 CN201220572241U CN202886025U CN 202886025 U CN202886025 U CN 202886025U CN 201220572241 CN201220572241 CN 201220572241 CN 201220572241 U CN201220572241 U CN 201220572241U CN 202886025 U CN202886025 U CN 202886025U
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Abstract
The utility model discloses an intelligent pressure transmitter which comprises a circuit board, wherein a signal detection circuit, a signal processing circuit, a keying circuit, a display circuit, a current signal output circuit, a signal output circuit and a relay on-off output circuit which are respectively connected with a power supply circuit are arranged on the circuit board; and the output end of the signal detection circuit is connected with the input end of the signal processing circuit, the output end of the signal processing circuit is connected with the input ends of the current signal output circuit, the signal output circuit and the relay on-off output circuit respectively, a P1.2 port, P1.3 port and a P1.4 port in the signal processing circuit are connected with a pull-up resistor end on the keying circuit, and a P2.0 port, a P2.1 port, a P2.2 port and a P2.3 port in the signal processing circuit are connected with a data transmission port of the display circuit. The intelligent pressure transmitter can be suitable for demands of multiple kinds of signal output, and is extremely convenient to use.
Description
Technical field
The utility model relates to electrical equipment improvement technology, particularly a kind of intelligent pressure transmitter.
Background technology
Along with the development of prior art, the range of application of pressure unit is more and more extensive, and pressure unit in use will be connected with various equipment.But existing pressure unit often can't satisfy the needs of on-site signal transmission often only with one or both output functions.In addition, along with the development of intellectualized technology, need sometimes pressure unit to be connected with controlled valve or relay, need sometimes the bound warning function, so often need preferably human-computer interaction interface, present pressure unit can not use and satisfy the demand.
Summary of the invention
The purpose of this utility model is in order to address the above problem, to have designed a kind of intelligent pressure transmitter.
Realize that the above-mentioned purpose the technical solution of the utility model is, a kind of intelligent pressure transmitter, comprise wiring board, wiring board is provided with the signal deteching circuit that is connected with power circuit respectively, signal processing circuit, key circuit, display circuit, the current signal output circuit, signal output apparatus and relay switching variable output circuit, and the output terminal of signal deteching circuit connects the input end of signal processing circuit, the output terminal of signal processing circuit respectively with the current signal output circuit, signal output apparatus is connected input end and is connected with the relay switching variable output circuit, P1.2 port on the signal processing circuit, P1.3 port and P1.4 port are connected the P2.0 port with pull-up resistor end on the key circuit, the P2.1 port, the P2.2 port is connected with the data transmission port of display circuit with the P2.3 port.
Described signal processing circuit be by chip U1 connect respectively be used to the crystal oscillator that stabilizing clock is provided, be used for the chip U4 of storage data, for increasing the chip U5 of load capacity be connected connecting the chip 01 of relay switching variable output circuit and the syndeton that chip 02 consists of.
The output of described chip U5 example be connected for the chip 03, chip 04 and the chip 05 that are connected the current signal output circuit.
The bridge rectifier circuit that described current signal output circuit is comprised of with four commutation diodes Current Control chip U7 connection consists of.
Described signal output apparatus is formed by connecting with pull-up resistor R22 and pull-up resistor R23 respectively by chip U3.
Described power circuit is the tertiary voltage treatment circuit that is made of chip V1, chip V2 and chip V3 series connection.
The intelligent pressure transmitter that utilizes the technical solution of the utility model to make, signal output part is connected with the terminal interface of various ways, can satisfy the needs of multi-signal output, and is convenient for users to use.Also be provided with button and display circuit in this device, can realize human-computer interaction, be convenient to the bound of set pressure actuation of an alarm, easy to use.
Description of drawings
Fig. 1 is the structural representation of intelligent pressure transmitter described in the utility model;
Fig. 2 is the structural representation of signal processing circuit described in the utility model;
Fig. 3 is the structural representation of current signal output circuit described in the utility model;
Fig. 4 is the structural representation of signal output apparatus described in the utility model;
Fig. 5 is the structural representation of power circuit described in the utility model;
Among the figure, 1, wiring board; 2, power circuit; 3, signal deteching circuit; 4, signal processing circuit; 5, key circuit; 6, display circuit; 7, current signal output circuit; 8, signal output apparatus; 9, relay switching variable output circuit; 10, crystal oscillator.
Embodiment
Below in conjunction with accompanying drawing the utility model is specifically described, the structural representation of intelligent pressure transmitter described in the utility model such as Fig. 1, Fig. 2 is the anatomical structure figure of this intelligent pressure transmitter, as shown in the figure, a kind of intelligent pressure transmitter, comprise wiring board 1, wiring board is provided with the signal deteching circuit 3 that is connected with power circuit 2 respectively, signal processing circuit 4, key circuit 5, display circuit 6, current signal output circuit 7, signal output apparatus 8 and relay switching variable output circuit 9, and the output terminal of signal deteching circuit connects the input end of signal processing circuit, the output terminal of signal processing circuit respectively with the current signal output circuit, signal output apparatus is connected input end and is connected with the relay switching variable output circuit, P1.2 port on the signal processing circuit, P1.3 port and P1.4 port are connected the P2.0 port with pull-up resistor end on the key circuit, the P2.1 port, the P2.2 port is connected with the data transmission port of display circuit with the P2.3 port.Wherein, described signal processing circuit be by chip U1 connect respectively be used to the crystal oscillator 10 that stabilizing clock is provided, be used for the chip U4 of storage data, for increasing the chip U5 of load capacity be connected connecting the chip 01 of relay switching variable output circuit and the syndeton that chip 02 consists of; The outgoing side of described chip U5 is connected with the chip 03, chip 04 and the chip 05 that are used for being connected the current signal output circuit; The bridge rectifier circuit that described current signal output circuit is comprised of with four commutation diodes Current Control chip U7 connection consists of; Described signal output apparatus is formed by connecting with pull-up resistor R22 and pull-up resistor R23 respectively by chip U3; Described power circuit is the tertiary voltage treatment circuit that is made of chip V1, chip V2 and chip V3 series connection.
In the technical program, described wiring board is provided with control circuit.Fig. 1 is the schematic diagram of the utility model intelligent pressure transmitter, described control circuit comprises signal deteching circuit, signal processing circuit, key circuit, display circuit, power circuit, 4-20mA current signal output circuit, the signal output apparatus of RS485, relay switching variable output circuit, the output terminal of described signal deteching circuit is connected with the input end of described signal processing circuit, and the output terminal of described signal processing circuit is connected with the signal input part of 4-20mA current signal output circuit, RS485 signal output apparatus, relay switching variable output circuit respectively; The P1.2-P1.4 port of described signal processing circuit is connected with the pull-up resistor end of key circuit, the data transmission port of the P2.0-P2.3 port display circuit of signal processing circuit connects, and described power circuit is connected with the power port of signal deteching circuit, signal processing circuit, button and display circuit, 4-20mA current signal output circuit, RS485 signal output apparatus, relay switching variable output circuit respectively.
Described signal deteching circuit is input to signal processing circuit with detected signal, pressure signal is delivered to the input end of 4-20mA current signal output circuit, RS485 signal output apparatus, relay switching variable output circuit by output terminal through the processing of signal processing circuit, to host computer or other control ends, perhaps control opening and turn-offing of normal battle and normally closed point with the form of relay switching variable with the formal output of simulating signal or digital signal.Man-machine interaction by button and display circuit realization and signal processing circuit.Described power circuit provides stable D.C. regulated power supply for each circuit.
Technique scheme has only embodied the optimal technical scheme of technical solutions of the utility model; some changes that those skilled in the art may make some part have wherein all embodied principle of the present utility model, belong within the protection domain of the present utility model.
Claims (6)
1. intelligent pressure transmitter, comprise wiring board (1), it is characterized in that, wiring board is provided with the signal deteching circuit (3) that is connected with power circuit (2) respectively, signal processing circuit (4), key circuit (5), display circuit (6), current signal output circuit (7), signal output apparatus (8) and relay switching variable output circuit (9), and the output terminal of signal deteching circuit connects the input end of signal processing circuit, the output terminal of signal processing circuit respectively with the current signal output circuit, signal output apparatus is connected input end and is connected with the relay switching variable output circuit, P1.2 port on the signal processing circuit, P1.3 port and P1.4 port are connected the P2.0 port with pull-up resistor end on the key circuit, the P2.1 port, the P2.2 port is connected with the data transmission port of display circuit with the P2.3 port.
2. intelligent pressure transmitter according to claim 1, it is characterized in that, described signal processing circuit be by chip U1 connect respectively be used to the crystal oscillator that stabilizing clock is provided (10), be used for the chip U4 of storage data, for increasing the chip U5 of load capacity be connected connecting the chip 01 of relay switching variable output circuit and the syndeton of chip 02 formation.
3. intelligent pressure transmitter according to claim 2 is characterized in that, the outgoing side of described chip U5 is connected with the chip 03, chip 04 and the chip 05 that are used for being connected the current signal output circuit.
4. intelligent pressure transmitter according to claim 1 is characterized in that, the bridge rectifier circuit that described current signal output circuit is comprised of with four commutation diodes Current Control chip U7 connection consists of.
5. intelligent pressure transmitter according to claim 1 is characterized in that, described signal output apparatus is formed by connecting with pull-up resistor R22 and pull-up resistor R23 respectively by chip U3.
6. intelligent pressure transmitter according to claim 1 is characterized in that, described power circuit is the tertiary voltage treatment circuit that is made of chip V1, chip V2 and chip V3 series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572241 CN202886025U (en) | 2012-11-02 | 2012-11-02 | Intelligent pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572241 CN202886025U (en) | 2012-11-02 | 2012-11-02 | Intelligent pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886025U true CN202886025U (en) | 2013-04-17 |
Family
ID=48077439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220572241 Expired - Fee Related CN202886025U (en) | 2012-11-02 | 2012-11-02 | Intelligent pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679861A (en) * | 2016-12-28 | 2017-05-17 | 天津汇誉丰机电科技有限公司 | Intelligent pressure transmitter |
| CN107436161A (en) * | 2016-05-27 | 2017-12-05 | 四方特变电工智能电气有限公司 | Transformer information remote transmitting data acquisition device |
-
2012
- 2012-11-02 CN CN 201220572241 patent/CN202886025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436161A (en) * | 2016-05-27 | 2017-12-05 | 四方特变电工智能电气有限公司 | Transformer information remote transmitting data acquisition device |
| CN106679861A (en) * | 2016-12-28 | 2017-05-17 | 天津汇誉丰机电科技有限公司 | Intelligent pressure transmitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Xin Document name: payment instructions |
|
| 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: 20130417 Termination date: 20201102 |