CN211403166U - Universal analog input module free of jumper wire - Google Patents
Universal analog input module free of jumper wire Download PDFInfo
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- CN211403166U CN211403166U CN201921894450.4U CN201921894450U CN211403166U CN 211403166 U CN211403166 U CN 211403166U CN 201921894450 U CN201921894450 U CN 201921894450U CN 211403166 U CN211403166 U CN 211403166U
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Abstract
The utility model provides a general analog input module of wire jumper exempts from, including multiunit channel unit, every group channel unit all includes at least three interface, and three interface is power supply positive pole, power supply negative pole and positive input channel respectively, the power supply positive pole is used for connecting in external sensor's power positive pole or signal positive end, the power supply negative pole is used for connecting external sensor's power negative pole and signal negative end, positive input channel is used for connecting external sensor's signal positive end or signal negative end. The utility model discloses can be applicable to the input of all kinds of sensor signals such as temperature resistance sensor, voltage type sensor, current type sensor simultaneously, provide the complete channel unit of multiunit, can directly insert the module with external sensor, removed various power jumper or signal jumper complete sets from, reduced the trouble that external sensor wiring link caused.
Description
Technical Field
The utility model belongs to the technical field of analog input module, especially, relate to a general analog input module who exempts from wire jumper.
Background
In an automatic control system product, an analog quantity data acquisition module is widely applied to control systems such as a PLC (programmable logic controller), a DDC (direct digital control) system and the like. In a control system, data such as field temperature and humidity, ambient air quality, illuminance, and device pressure and flow are generally required to be acquired, and therefore an analog input module is required to read and convert signals such as voltage, resistance, and current of a field instrument into corresponding values such as temperature and humidity.
In building intelligent control applications, analog quantities fall into three categories: voltage type, current type, resistive type. In the prior art, the analog quantity is collected by two methods: 1. preparing analog input modules of different models to measure the voltage, the current and the resistance of the three analog quantities; respectively collecting the resistance type analog quantity, and also needing analog quantity input modules of various types due to different resistance types; 2. although the universal input module is adopted, the universal input module does not need to provide analog input modules of different models, and can solve the problem that a plurality of analog input modules are needed when a non-universal analog input module is used, but the defects still exist. For example, in the two methods, the analog input module needs to adopt various forms when being wired: the method comprises the following steps of independently connecting a power supply outside an analog input module for power supply, and connecting a jumper wire for wire connection to complete various inputs, such as: 1. voltage type input: the voltage type sensor has a three-wire system or a four-wire system, usually, an analog quantity module is connected with a positive signal wire and a negative signal wire, and for the four-wire system, the other two wires are power wires, and need a controller to be matched with a separate power supply to supply power to the sensor, and the problem is generally solved by a set of wiring terminals; for a three-wire system, the signal negative end and the power supply negative end need to be connected in parallel, and the power supply positive electrode needs to be connected with a set of wiring terminals separately; 2. the current input type is complex, three types of current input types are provided, namely a two-wire system, a three-wire system and a four-wire system, any one type of current input type needs an external power supply, only the wire connection modes are different, and the wiring problems are solved by the modes of complete wiring terminals, wire connection and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a general analog input module who exempts from wire jumper.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a general analog input module of exempting from wire jumper, includes multiunit passageway unit, and every passageway unit of group all includes at least three interface, and three interface is power supply positive pole, power supply negative pole and positive input channel respectively, the power supply positive pole is used for connecting in external sensor's power positive pole or signal positive terminal, the power supply negative pole is used for connecting external sensor's power negative pole and signal negative terminal, positive input channel is used for connecting external sensor's signal positive terminal or signal negative terminal.
The technical scheme provides the universal analog input module, can meet the input of various sensor signals such as voltage, current, resistance signals and the like, provides interfaces of each or each group of external sensors including a power supply and a channel in a channel unit form, and avoids external wiring and wire jumping, wherein each group of external sensors can be two or more sensors, and is specifically determined according to the number of positive input channels in each channel unit.
In foretell general analog input module of exempting from wire jumper, external sensor includes temperature resistance sensor, and multiunit passageway unit is including a first set of passageway unit, a first set of passageway unit connect in temperature resistance sensor, temperature resistance sensor's one end connect in positive input channel, the other end is connected in the power supply negative pole. And integrating conventional temperature resistance sensors in the building intelligent system.
In foretell general analog input module who exempts from wire jumper, external sensor includes the four-wire sensor, and multiunit passageway unit is still including the second group passageway unit, the second group passageway unit connect in the four-wire sensor, the positive connection of power of four-wire sensor is anodal in the power supply, and the power negative pole is connected in the power supply negative pole, and the signal positive terminal is connected in positive input channel, and the signal negative terminal is connected in the power supply negative pole. Conventional four-wire sensors in building intelligence systems are integrated.
In the above-mentioned general analog input module of exempting from the wire jumper, external sensor includes three-way sensor, and multiunit passageway unit is still including third group passageway unit, third group passageway unit connect in three-way sensor, three-way sensor's power positive pole is connected in the power supply anodal, and power negative pole/signal negative terminal are connected in the power supply negative pole, and the signal positive terminal is connected in positive input channel. A conventional three-wire sensor in a building intelligent system is integrated.
In the above jumper-free general analog input module, the external sensor includes two line sensors, the multiple sets of channel units further include a fourth set of channel units, the fourth set of channel units are connected to the two line sensors, the signal positive terminal of the two line sensors is connected to the positive power supply terminal, and the signal negative terminal is connected to the positive input channel. Conventional two-wire sensors in building intelligence systems are integrated.
In the above-mentioned general analog input module without jumper, each group of channel units includes four interfaces, and the four interfaces are respectively a power supply positive electrode, a power supply negative electrode and two positive input channels so that each group of channel units can connect two external sensors.
In foretell general analog input module of exempting from wire jumper, two temperature resistance sensor are connected to first group's passageway unit, two four-wire sensors are connected to second group's passageway unit, third group's passageway unit connection has two three-wire sensors, fourth group's passageway unit connection has two-wire sensors.
In the jumper-free universal analog input module, the four-wire sensor is a four-wire voltage sensor and/or a four-wire current sensor.
In the jumper-free general analog input module, the three-wire sensor is a three-wire voltage sensor and/or a three-wire current sensor.
In the jumper-free universal analog input module, the two-wire sensor is a two-wire current type sensor.
The utility model has the advantages that: the sensor signal input device can be simultaneously suitable for inputting signals of various sensors such as a temperature resistance sensor, a voltage type sensor and a current type sensor, a plurality of groups of complete channel units are provided, an external sensor can be directly connected into a module, various power supply jumpers or signal jumpers are omitted, and faults caused by external sensor wiring links are reduced.
Drawings
FIG. 1 is a schematic structural diagram of a jumper-free general analog input module of the present invention;
fig. 2 is a schematic diagram of the wiring between the four channel units and various external sensors.
Reference numerals: a first group of channel units 1; a second group of channel units 2; a third group channel unit 3; a fourth group channel unit 4; a temperature resistance sensor 5; a four-wire sensor 6; a three-wire sensor 7; a two-wire sensor 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and fig. 2, the present embodiment discloses a jumper-free general analog input module, which includes multiple sets of channel units, each set of channel units includes at least three interfaces, and the three interfaces are respectively a power supply positive electrode, a power supply negative electrode and a positive input channel, the power supply positive electrode is used for connecting to a power supply positive electrode or a signal positive terminal of an external sensor, the power supply negative electrode is used for connecting to a power supply negative electrode and a signal negative terminal of the external sensor, and the positive input channel is used for connecting to the signal positive terminal or the signal negative terminal of the external sensor.
In the present embodiment, four sets of channel units are taken as an example, the four sets of channel units are respectively a first set of channel unit 1, a second set of channel unit 2, a third set of channel unit 3 and a fourth set of channel unit 4, and the four sets of channel units can be respectively used for connecting the same or different external sensors. The external sensors may be a temperature resistance sensor 5, a voltage input type sensor having a four-wire voltage type sensor and a three-wire voltage type sensor, a current input type sensor having a four-wire current type sensor, a three-wire current type sensor, and a two-wire current type sensor, and the like.
The first group of channel units 1 of the present embodiment is connected to a temperature resistance sensor 5, one end of the temperature resistance sensor 5 is connected to the positive input channel, and the other end is connected to the power supply negative electrode;
the second group of channel units 2 are connected to the four-wire sensor 6, the power supply anode of the four-wire sensor 6 is connected to the power supply anode, the power supply cathode is connected to the power supply cathode, the signal positive end is connected to the positive input channel, and the signal negative end is connected to the power supply cathode;
the third group of channel units 3 is connected to the three-wire sensor 7, the power supply anode of the three-wire sensor 7 is connected to the power supply anode, the power supply cathode/signal negative terminal is connected to the power supply cathode, and the signal positive terminal is connected to the positive input channel;
the fourth group of channel units 4 is connected to the two-wire sensor 8, the signal positive terminal of the two-wire sensor 8 is connected to the power supply positive electrode, and the signal negative terminal is connected to the positive input channel.
Preferably, each group of channel units comprises four interfaces, and the four interfaces are respectively a power supply positive electrode, a power supply negative electrode and two positive input channels, so that each group of channel units can be connected with two external sensors. For example, the first group of channel units 1 is connected with two temperature resistance sensors 5, the second group of channel units 2 is connected with two four-wire sensors 6, and the two four-wire sensors 6 can be both four-wire voltage type sensors, four-wire current type sensors or one four-wire current type sensor and one four-wire voltage type sensor; the third group of channel units 3 is connected with two three-line sensors 7, and similarly, the two three-line sensors 7 can be both three-line voltage type sensors, three-line current type sensors or one three-line current type sensor and one three-line voltage type sensor; the fourth group channel unit 4 is connected with two-wire sensors 8, and the two-wire sensors 8 can be both two-wire current type sensors.
Specifically, the power supply anode provides 24V voltage, the power supply cathode provides 0V voltage, 1 to 8 of the four sets of channel units are input channel positive terminals corresponding to the analog input module, and each number corresponds to the channel number of the analog input module, for example, 1 is a No. 1 positive input channel, 2 is a No. 2 positive input channel, 3 is a No. 3 positive input channel, and so on.
The present embodiment integrates several conventional analog input modules in the current building intelligent system, has strong universality, and can not cause waste when configuring the module. The analog input module with single function can not adapt to the input of analog quantity with different types, one module is required to be configured even if one type has only one point during configuration, under special conditions, four input points with different types are generally required to be configured with at least 2 to 3 modules when being concentrated on one control box, and particularly for medium-sized and large-sized projects, the construction cost is greatly increased.
In addition, this embodiment is different from traditional general input module again, and traditional general input module needs the wire jumper or carries out the precasting to the module wiring when the wiring, and the wiring is complicated, increases the on-the-spot wiring degree of difficulty, and the general analog quantity input module of exempting from the wire jumper of this embodiment has avoided the work of various wire jumpers when the sensor inserts, reduces the trouble that the wiring link caused, has promoted the reliability of system.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the first group of channel units 1 is used more here; a second group of channel units 2; a third group channel unit 3; a fourth group channel unit 4; a temperature resistance sensor 5; a four-wire sensor 6; a three-wire sensor 7; two-wire sensors 8, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a general analog input module who exempts from wire jumper, its characterized in that includes multiunit channel unit, every group channel unit all includes at least three interface, and three interface is power supply positive pole, power supply negative pole and positive input channel respectively, the power supply positive pole is used for connecting in external sensor's power positive pole or signal positive end, the power supply negative pole is used for connecting external sensor's power negative pole and signal negative end, positive input channel is used for connecting external sensor's signal positive end or signal negative end.
2. The jumper-free general analog input module according to claim 1, wherein the external sensor comprises a temperature resistance sensor (5), the plurality of sets of channel units comprise a first set of channel units (1), the first set of channel units (1) are connected to the temperature resistance sensor (5), one end of the temperature resistance sensor (5) is connected to the positive input channel, and the other end of the temperature resistance sensor is connected to the negative power supply electrode.
3. The jumper-free universal analog input module according to claim 2, wherein the external sensor comprises a four-wire sensor (6), the plurality of sets of channel units further comprise a second set of channel units (2), the second set of channel units (2) are connected to the four-wire sensor (6), the positive power supply terminal of the four-wire sensor (6) is connected to the positive power supply terminal, the negative power supply terminal is connected to the negative power supply terminal, the positive signal terminal is connected to the positive input channel, and the negative signal terminal is connected to the negative power supply terminal.
4. The jumper-free universal analog input module according to claim 3, wherein the external sensor comprises a three-line sensor (7), the multiple sets of channel units further comprise a third set of channel units (3), the third set of channel units (3) are connected to the three-line sensor (7), the positive power supply terminal of the three-line sensor (7) is connected to the positive power supply terminal, the negative power supply terminal/negative signal terminal is connected to the negative power supply terminal, and the positive signal terminal is connected to the positive input channel.
5. The jumper-free universal analog input module according to claim 4, wherein the external sensor comprises a two-wire sensor (8), the multi-channel unit further comprises a fourth set of channel units (4), the fourth set of channel units (4) is connected to the two-wire sensor (8), the positive signal terminal of the two-wire sensor (8) is connected to the positive power supply terminal, and the negative signal terminal is connected to the positive input channel.
6. The jumper-free universal analog input module according to claim 5, wherein each group of channel units comprises four interfaces, and the four interfaces are respectively a power supply positive electrode, a power supply negative electrode and two positive input channels so that each group of channel units can be connected with two external sensors.
7. The jumper-free universal analog input module according to claim 6, characterized in that the first set of channel units (1) is connected with two temperature resistance sensors (5), the second set of channel units (2) is connected with two four-wire sensors (6), the third set of channel units (3) is connected with two three-wire sensors (7), and the fourth set of channel units (4) is connected with two-wire sensors (8).
8. Jumper-free universal analog input module according to claim 7, characterized in that the four-wire sensor (6) is a four-wire voltage-type sensor and/or a four-wire current-type sensor.
9. Jumper-free universal analog input module according to claim 8, characterized in that the three-wire sensor (7) is a three-wire voltage-type sensor and/or a three-wire current-type sensor.
10. Jumper-free universal analog input module according to claim 9, characterized in that the two-wire sensor (8) is a two-wire amperometric sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921894450.4U CN211403166U (en) | 2019-11-05 | 2019-11-05 | Universal analog input module free of jumper wire |
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| CN201921894450.4U CN211403166U (en) | 2019-11-05 | 2019-11-05 | Universal analog input module free of jumper wire |
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| CN211403166U true CN211403166U (en) | 2020-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964913A (en) * | 2021-03-02 | 2021-06-15 | 三一重能股份有限公司 | Analog quantity signal acquisition device and control cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964913A (en) * | 2021-03-02 | 2021-06-15 | 三一重能股份有限公司 | Analog quantity signal acquisition device and control cabinet |
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Address after: 215004 Room 401, building 4, 78 Keling Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU BRAIN CONTROL ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: Room 501, building 7, No.78, Keling Road, hi tech city, Huqiu District, Suzhou City, Jiangsu Province Patentee before: SUZHOU BRAIN CONTROL ELECTRONIC TECHNOLOGY Co.,Ltd. |
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