CN209821647U - Automatic monitoring system of transmitter - Google Patents
Automatic monitoring system of transmitter Download PDFInfo
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- CN209821647U CN209821647U CN201921040656.0U CN201921040656U CN209821647U CN 209821647 U CN209821647 U CN 209821647U CN 201921040656 U CN201921040656 U CN 201921040656U CN 209821647 U CN209821647 U CN 209821647U
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- transmitter
- grid
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- module
- monitoring system
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Abstract
The utility model provides a changer automatic monitoring system, a plurality of monitoring network, a computer is connected through multichannel communication controller to the monitoring network, the monitoring network includes a plurality of changers and one and is connected the network deployment module with the changer, the network deployment module is connected through a set of communication line multichannel communication controller, and will the detected data of changer is uploaded to the computer, the network deployment module embeds there is HART communication module. A single monitoring network can be connected to the multi-path communication controller only through a group of communication lines and transmits data to the computer, so that the wiring quantity of the communication lines is reduced, the arrangement cost of field communication lines is reduced, and a plurality of networking modules can form a regional communication network through HART communication modules, so that the wiring cost of the communication lines is further reduced.
Description
Technical Field
The invention relates to the technical field of transmitters, in particular to an automatic transmitter monitoring system.
Background
In the production process of the industrial instrument, a production process of long-term aging is adopted, the products are generally put on an aging rack for testing in a batch power-on mode, and whether the instrument is qualified or not is judged by observing whether the instrument works normally or not after the test is finished. The operating state of the product cannot be monitored in real time during aging.
In the process of product research and development, long-term multi-parameter testing needs to be carried out on a researched and developed sample or a semi-finished product for a long time, and the conventional mode is that the parameters of the product are recorded manually at regular time, so that the operation is inconvenient. Under certain conditions, such as during high and low temperature experiments, multiple parameters of the product cannot be recorded.
In order to facilitate the parameter testing, the prior art mostly adopts a corresponding transmitter for detection. However, most of the common transmitters are connected to a computer through independent communication lines, when the measured parameters are more, the number of the transmitters is correspondingly increased, the number of communication lines connected to the computer is increased, the laying difficulty and the cost of the communication lines are high, and the wiring cost of a test field is increased.
Disclosure of Invention
The invention aims to provide an automatic transmitter monitoring system which reduces the arrangement cost of a field communication line on the premise of realizing automatic acquisition of data of a plurality of transmitters.
The above object of the present invention is achieved by the following technical solutions:
an automatic monitoring system of a transmitter comprises a plurality of monitoring networks, wherein the monitoring networks are connected with a computer through a multipath communication controller, the monitoring network comprises a plurality of transmitters and a networking module connected with the transmitters, a grid-connected input interface and a grid-connected output interface are arranged on two opposite sides of each transmitter, the networking module is provided with a grid-connected input interface, adjacent transmitters are mutually inserted and connected through the grid-connected input interface and the grid-connected output interface, the transmitter and the networking module are mutually inserted through a grid-connected input interface and a grid-connected output interface, the transmitter sequentially transmits data detected by the transmitter to the networking module through the grid-connected input interface and the grid-connected output interface, the networking module is connected with the multi-channel communication controller through a group of communication lines, and the detection data of the transmitter is uploaded to the computer, and a HART communication module is arranged in the networking module.
By adopting the technical scheme, in the data monitoring process, the plurality of transmitters are in plug-in communication with each other through the grid-connected input interface and the grid-connected output interface, and are in plug-in communication with one networking module through the grid-connected input interface and the grid-connected output interface, so that a monitoring network is formed, a single monitoring network can be connected to the multi-path communication controller through only one group of communication lines, data are transmitted to a computer, the wiring quantity of the communication lines is reduced, the arrangement cost of field communication lines is reduced, the plurality of networking modules can also form a regional communication network through HART communication modules, and the wiring cost of the communication lines is further reduced.
As the utility model discloses an improvement, the rectangular form interface slot that the input interface that is incorporated into the power networks set up for protrusion changer casing, the rectangular form connecting terminal that the output interface that is incorporated into the power networks set up for protrusion changer casing, connecting terminal both sides and two inner walls in interface slot are provided with a plurality of electric connecting pieces that are used for signal connection.
By adopting the technical scheme, when two transmitters or the transmitters and the networking module are required to be connected together, only the connecting terminals are required to be inserted into the strip-shaped interface slots, compared with the connection of communication lines, the insertion mode not only can realize the data communication, but also can ensure the stability of the connection structure.
As the utility model discloses an improvement, the interface slot is the uncovered wedge groove that sets up of one end, connecting terminal be with the trapezoidal sand grip of interface slot complex, connecting terminal is inserted by the interface slot opening end the interface slot.
Through adopting above-mentioned technical scheme, the structural setting of wedge groove and trapezoidal sand grip can strengthen the structural strength that interface slot and connecting terminal are connected.
As the improvement of the utility model, the electric piece that connects of input interface that is incorporated into the power networks passes through AD conversion module and connects the microprocessor of changer, microprocessor is connected with current control circuit and gating module, gating module connects the electric piece with the different outputs that current control circuit output connected to output interface that is incorporated into the power networks in proper order.
By adopting the technical scheme, after the data of the previous transmitter is transmitted into the next loosening device through the grid-connected input interface, the microprocessor in the transmitter receives and identifies the data input from the grid-connected input interface, then the data of the previous transmitter and the data of the transmitter are sequentially output through the grid-connected output interface through the current control circuit, and in the output process, the current control circuit and the power connection piece are respectively gated through the gating module, so that the data of different circuits are output by different power connection pieces, and the data of each transmitter is sequentially transmitted to the grid-connected module.
As the utility model discloses an improvement, the gating module include a plurality of electronic switches and with the latch that electronic switch connects, the input of latch is connected to electronic switch's trigger end, current control circuit with the connection electric piece of the output interface that is incorporated into the power networks passes through electronic switch and connects.
As an improvement of the present invention, the electronic switch is configured as a diac.
By adopting the technical scheme, the bidirectional trigger diode has stable switching state, low cost and small influence on signal transmission.
As the improvement of the utility model, the changer still be provided with the one way output port that current control circuit connects, the shell of changer is provided with and is used for switching the changer by the function button of being incorporated into the power networks output interface or one way output port output.
By adopting the technical scheme, the function keys and the single-path output port are arranged, two working modes of the transmitter can be realized, and when the transmitter is not required to be networked, the transmitter can output data through the single-path output port and is used as a common transmitter, so that the line transformation and the upgrading in the later period are facilitated.
As the improvement of the utility model, the shell of changer is provided with the LCD screen, the function button is still including the code button that is used for adjusting the changer code.
By adopting the technical scheme, the liquid crystal screen can display the internal data of the transmitter, and the coding button can code the transmitter, so that the transmitter data is coded and sequenced, and the transmitter data can be conveniently identified by a computer.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the networking of transmitters is realized by the networking module, and the condition that each transmitter is connected with a computer through a communication line is avoided, so that the arrangement quantity and the cost of the communication lines are reduced.
2. The arrangement of the grid-connected input interface and the grid-connected output interface realizes the communication between the transmitter and between the transmitter and the grid-connected module, simultaneously enhances the equipment concentration of the same monitoring network, and is convenient for the installation and data acquisition of the transmitter.
Drawings
FIG. 1 is a system configuration diagram according to a first embodiment;
FIG. 2 is a schematic structural diagram of a transmitter and a grid-connected module in the second embodiment;
FIG. 3 is a system configuration diagram of the second embodiment;
FIG. 4 is an internal system diagram of the transmitter according to the second embodiment;
FIG. 5 is a circuit diagram of a gating module according to a second embodiment;
fig. 6 is a schematic diagram of a connection structure of the grid-connected input interface and the microprocessor according to the second embodiment.
In the figure, 1, a transmitter; 11. a gating module; 2. a grid connection module; 3. a grid-connected output interface; 4. a grid-connected input interface; 5. and a HART communication module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the automatic transmitter monitoring system comprises a computer and a multipath communication controller, wherein the computer contains automatic transmitter 1 monitoring software, the multipath communication controller is connected with a plurality of monitoring networks, each monitoring network comprises a plurality of transmitters 1, each transmitter 1 is internally provided with an HART communication module 5, and the transmitters 1 in the same monitoring network are networked through the HART communication module 5. When the computer monitoring transmitter 1 works, automatic monitoring can be realized on a plurality of groups of monitoring networks, so that the wiring structure of the monitoring system is simplified, and the equipment cost is reduced.
Example two:
an automatic transmitter monitoring system, referring to fig. 2 and 3, is an automatic transmitter 1 monitoring system disclosed by the present invention, which comprises a computer and a multipath communication controller, wherein the computer contains automatic transmitter 1 monitoring software, the multipath communication controller is connected with a plurality of monitoring networks, and each monitoring network comprises a plurality of transmitters 1 and a networking module. In the present embodiment, one monitoring network selects eight transmitters 1, wherein in fig. 2, only five transmitters 1 are shown for clarity. The transmitters 1 in the same monitoring network transmit the acquired data to a networking module, the networking module is connected with a multi-channel communication controller through a group of communication lines, and the multi-channel communication controller is preferably a gateway. The multipath communication controller uploads the received data to the computer, and the data is displayed and controlled by the computer.
Referring to fig. 2, the whole transmitter 1 is a rectangular block structure, two opposite side surfaces of the transmitter 1 are respectively provided with a grid-connected input interface 4 and a grid-connected output interface 3, and the grid-connected module is provided with a grid-connected input interface 4. The grid-connected input interface 4 is a long strip-shaped interface slot protruding out of the shell of the transmitter 1 or the shell of the networking module, the grid-connected output interface 3 is a long strip-shaped connecting terminal protruding out of the shell of the transmitter 1, a plurality of power connection pieces used for signal connection are arranged on two sides of the connecting terminal and on two inner walls of the interface slot, the interface slot is a wedge-shaped slot with one end opened, the connecting terminal is a trapezoidal convex strip matched with the interface slot, and the connecting terminal is inserted into the interface slot through the opening end of the interface slot.
The transmitter 1 in the same monitoring network transmits the data in the transmitter 1 to the grid-connected module 2 through the grid-connected input interface 4 and the grid-connected output interface 3, and then the data are uniformly uploaded to a computer through the grid-connected module 2, so that the wiring structure of the transmitter 1 is simplified, and the wiring cost is reduced.
Referring to fig. 3, in order to further reduce the wiring structure of the communication system, each networking module is provided with a HART communication module 5, and when the number of transmitters 1 is large, a plurality of networking modules can implement regional networking through the HART communication module 5, thereby further reducing the wiring number of communication lines.
Referring to fig. 4, transmitter 1 incorporates a microprocessor, a sensing unit, an AD conversion chip, and a current control circuit. The microprocessor is preferably an STC90C52 single chip microcomputer; the sensing unit is a unit for data pickup of the transmitter 1, and has various types according to the type of the transmitter 1, for example, the sensing unit of the pressure transmitter 1 is a bridge formed by sensor resistors, and the specific sensing unit is not limited uniquely, an analog quantity detection signal output by the sensing unit is transmitted to the microprocessor through the AD conversion chip and is transmitted to the current control circuit through the microprocessor, and the output end of the current control circuit outputs 4-20mA analog current, namely monitoring data output by the transmitter 1. The AD conversion chip is preferably civilian grade AD1380 JD.
Referring to fig. 4 and 6, the grid-connected input interface 4 is connected to the microprocessor through a multi-channel AD conversion chip, preferably ADC 0809. The monitoring data introduced by the power connection chip of the grid-connected input interface 4 is converted into digital input signals by the multi-channel AD conversion chip and is identified by the microprocessor.
The structure in the grid-connected module 2 is similar to the circuit structure shown in fig. 6, the monitoring data input by the grid-connected input interface 4 of the grid-connected module 2 enters a single chip microcomputer after being subjected to AD conversion, and the monitoring data is uploaded to a computer by the single chip microcomputer in a serial communication manner, and the specific structure in the single chip microcomputer is not described herein again.
Referring to fig. 5 again, the microprocessor outputs the digital input signals output by the AD conversion chip and the multiple AD conversion chips to the current control circuit through the P2.6 pin of the microprocessor in sequence. A gating module 11 is connected between the current control circuit and the grid-connected output interface 3, the gating module 11 comprises a latch and eight bidirectional trigger diodes VS, the trigger end of each bidirectional trigger diode VS is correspondingly connected with one output pin of the latch, and the two ends of each bidirectional trigger diode VS are respectively connected with the current control circuit and the grid-connected output interface 3. The input end of the latch is connected with the P0 group pins of the microprocessor. When the transmitter 1 outputs monitoring data to the next transmitter 1, the bidirectional trigger diode VS is sequentially gated through the P0 group of pins, and the gated bidirectional trigger diode VS is connected with the current control circuit and the corresponding power connection piece of the grid-connected output interface 3, so that the monitoring data of different transmitters 1 are respectively output through different power connection pieces.
The output end of the further current control circuit is also connected with a single-path output port, and a shell of the transmitter 1 is provided with function keys which comprise a switching button SB1 and an encoding button SB 2. The switching button SB1 is used for switching the output of the transmitter 1 from the grid-connected input interface 4 or the single-path output port; the encoder button SB2 is used to make encoder adjustments to the transmitter 1.
In order to further know data inside the transmitter 1, a liquid crystal screen is arranged on the shell of the transmitter 1.
From the above, when the monitoring system works, if grid-connected control is required, the transmitter 1 is switched to the grid-connected state through the switching button SB1, and the transmitter 1 in the same monitoring network is coded through the coding button SB 2. After the transmitters 1 are connected with the grid-connected module 2 in an inserting mode, data of each transmitter 1 are output to the next transmitter 1 through the grid-connected input interface 4 and the grid-connected output interface 3, and finally transmitted to the grid-connected module 2 in a unified mode, and the grid-connected module 2 uploads monitoring data of a monitoring network to a computer through a group of communication lines. When the monitoring network is large, the plurality of networking modules can realize regional networking through the HART communication module 5, thereby further reducing the wiring number of the communication lines. When the grid-connected control is not needed, the transmitter 1 is switched to an independent state through the switching button SB1, and the transmitter 1 outputs monitoring data of the transmitter 1 through a single-path output port, so that the transmitter 1 can be independently used.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The automatic transmitter monitoring system is characterized in that: the monitoring network is connected with a computer through a multipath communication controller and comprises a plurality of transmitters (1) and a networking module connected with the transmitters (1), wherein the two opposite sides of each transmitter (1) are provided with a grid-connected input interface (4) and a grid-connected output interface (3), each networking module is provided with a grid-connected input interface (4), adjacent transmitters (1) are mutually spliced through the grid-connected input interfaces (4) and the grid-connected output interfaces (3), the transmitters (1) and the networking modules are mutually spliced through the grid-connected input interfaces (4) and the grid-connected output interfaces (3), the transmitters (1) sequentially transmit data detected by themselves to the networking modules through the grid-connected input interfaces (4) and the grid-connected output interfaces (3), and the networking modules are connected with the multipath communication controller through a group of communication lines, and the detection data of the transmitter (1) is uploaded to the computer, and a HART communication module (5) is arranged in the networking module.
2. The automatic transmitter monitoring system of claim 1, wherein: the sensor is characterized in that the grid-connected input interface (4) is a long strip-shaped interface slot protruding out of the shell of the transmitter (1), the grid-connected output interface (3) is a long strip-shaped connecting terminal protruding out of the shell of the transmitter (1), and a plurality of power connection pieces used for signal connection are arranged on two sides of the connecting terminal and two inner walls of the interface slot.
3. The automatic transmitter monitoring system of claim 2, wherein: the interface slot is the wedge groove that one end is uncovered and is set up, connecting terminal for with interface slot complex trapezoidal sand grip, connecting terminal is inserted by the interface slot opening end the interface slot.
4. The automatic transmitter monitoring system of claim 1, wherein: the power connection piece of the grid-connected input interface (4) is connected with the microprocessor of the transmitter (1) through the AD conversion module, the microprocessor is connected with the current control circuit and the gating module (11), and the gating module (11) sequentially connects the output end of the current control circuit to different output power connection pieces of the grid-connected output interface (3).
5. The automatic transmitter monitoring system of claim 4, wherein: the gating module (11) comprises a plurality of electronic switches and latches connected with the electronic switches, the triggering ends of the electronic switches are connected with the input ends of the latches, and the current control circuit is connected with the power connection pieces of the grid-connected output interface (3) through the electronic switches.
6. The automatic transmitter monitoring system of claim 5, wherein: the electronic switch is set as a diac.
7. The automatic transmitter monitoring system of claim 4, wherein: the transmitter (1) is further provided with a one-way output port connected with the current control circuit, and a shell of the transmitter (1) is provided with a function key used for switching the output of the transmitter (1) from the grid-connected output interface (3) or the one-way output port.
8. The automatic transmitter monitoring system of claim 7, wherein: the shell of the transmitter (1) is provided with a liquid crystal screen, and the function keys further comprise coding buttons for regulating the codes of the transmitter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040656.0U CN209821647U (en) | 2019-07-04 | 2019-07-04 | Automatic monitoring system of transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040656.0U CN209821647U (en) | 2019-07-04 | 2019-07-04 | Automatic monitoring system of transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN209821647U true CN209821647U (en) | 2019-12-20 |
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| CN201921040656.0U Expired - Fee Related CN209821647U (en) | 2019-07-04 | 2019-07-04 | Automatic monitoring system of transmitter |
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| CN (1) | CN209821647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459077A (en) * | 2020-04-22 | 2020-07-28 | 苏州市运泰利自动化设备有限公司 | Sensor signal acquisition system and method |
-
2019
- 2019-07-04 CN CN201921040656.0U patent/CN209821647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459077A (en) * | 2020-04-22 | 2020-07-28 | 苏州市运泰利自动化设备有限公司 | Sensor signal acquisition system and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |