CN205691991U - A kind of thermal power plant input end of analog signal daughter board - Google Patents
A kind of thermal power plant input end of analog signal daughter board Download PDFInfo
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- CN205691991U CN205691991U CN201620564643.3U CN201620564643U CN205691991U CN 205691991 U CN205691991 U CN 205691991U CN 201620564643 U CN201620564643 U CN 201620564643U CN 205691991 U CN205691991 U CN 205691991U
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Abstract
A kind of thermal power plant's input end of analog signal daughter board road, the external equipment input wires terminal being connected with 16 tunnel input channels and output wiring terminal；16 tunnel input channels include the 1st tunnel input channel, the like, the 16th tunnel input channel；Input power circuit connects the 1st tunnel input channel ... and the 16th tunnel input channel by power line P+；External equipment input wires terminal connects the 1st tunnel input channel by the 1st positive and negative input signal cable in tunnel, the like, the 16th positive and negative input signal cable in tunnel connects the 16th tunnel input channel；Output wiring terminal connects the 1st tunnel input channel by the 1st positive and negative output signal line in tunnel, the like, the 16th positive and negative output signal line in tunnel connects the 16th tunnel input channel；This terminal board structure is simple, and easy multiplexing uses 16 tunnel input channels, and each input channel is separate, and safety is high.
Description
Technical field
This utility model relates to power plant and controls technical field, is specifically related to a kind of thermal power plant input end of analog signal daughter board.
Background technology
Traditional Distributed Control System input end of analog signal daughter board cost is high, and type is many, and circuit is complicated, and passage is few, every
Poor from property, fragile.On this basis, a kind of thermal power plant's input end of analog signal daughter board and method are proposed.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of thermal power plant input end of analog signal daughter board, this terminal
Plate structure is simple, and easy multiplexing uses 16 tunnel input channels, and each input channel is separate, and safety is high.
In order to achieve the above object, this utility model adopts the following technical scheme that
A kind of thermal power plant input end of analog signal daughter board, including input power circuit E, is connected with input power circuit E
16 tunnel input channels, the external equipment input wires terminal X1 and output wiring terminal X2 being connected with 16 tunnel input channels；Described
16 tunnel input channels include the 1st tunnel input channel CA1, the 2nd tunnel input channel CA2, the like, the 16th tunnel input channel
CA16；Described input power circuit E by power line P+ connect the 1st tunnel input channel CA1, the 2nd tunnel input channel CA2 ... and
16th tunnel input channel CA16；Described external equipment input wires terminal X1 passes through the 1st road positive input signal line IN0+ and the 1st tunnel
Negative input holding wire IN0-connects the 1st tunnel input channel CA1, the 2nd road positive input signal line IN1+ and the 2nd tunnel negative input holding wire
IN1-connects the 2nd tunnel input channel CA2, the like, the 16th road positive input signal line IN15+ and the 16th tunnel negative input holding wire
IN15-connects the 16th tunnel input channel CA16；Described output wiring terminal X2 passes through the 1st road positive output signal line CH0+ and the 1st
Road negative output signal line CH0-connects the 1st tunnel input channel CA1, the 2nd road positive output signal line CH1+ and the 2nd road negative output signal
Line CH1-connects the 2nd tunnel input channel CA2, the like, the 16th road positive output signal line CH15+ and the 16th road negative output signal
Line CH15-connects the 16th tunnel input channel CA16.
Described input power circuit E includes the first resettable fuse F1, the first Transient Suppression Diode V1 and high pressure porcelain
What chip capacitor C1 ,+24V power line connected the first resettable fuse F1 enters line, and the outlet of the first resettable fuse F1 connects
First Transient Suppression Diode V1 enters line, and the outlet of the first Transient Suppression Diode V1 is connected to power line-24V, and first certainly
The outlet recovering electric fuse F1 is simultaneously connected with power line P+, and the first Transient Suppression Diode V1 outlet is simultaneously connected with high pressure ceramics electricity
Holding C1 and enter line, high pressure ceramic disc capacitor C1 outlet connects GRND.
1st tunnel input channel CA1 of described 16 tunnel input channels, the 2nd tunnel input channel CA2 ... and the input of the 16th tunnel are logical
The circuit structure of road CA16 is identical with composition；Described 1st tunnel input channel CA1 includes commutation diode V2, second from extensive
Double insurance silk F2,8 channel patching device P1 of model PD, the second Transient Suppression Diode V3 and resistance R1；Input power circuit E's
Power line P+ is connected in series commutation diode V2 and enters line, and commutation diode V2 outlet connects the second resettable fuse F2 and enters line,
Second resettable fuse F2 outlet connects 1 pin of power signal line POW0+, 8 channel patching device P1 of model PD and connects electricity
Source signal line POW0+, 2 pins and 6 pins connect holding wire the 1st road negative output signal line CH0-, 3 pins, 4 pins and 5 pins
Connect holding wire the 1st road positive output signal line CH0+, 16 pins and 12 pins connection holding wire and connect the 1st road positive input signal line
IN0+, 15 pins connect 24V-power line, 14 pins and 11 pins and connect holding wire the 1st tunnel negative input holding wire IN0-, 13 pins
Connecting current signal line CY0,7 pins, 8 pins, 9 pins and 10 pins are unsettled；Current signal line CY0 connecting resistance R1 enters line, electricity
Resistance R1 outlet meets the second Transient Suppression Diode V3 and enters line, and the second Transient Suppression Diode V3 outlet connects the 1st road positive output signal
Line CH0+, resistance R1 outlet is simultaneously connected with the 1st road negative output signal line CH0-.
Described external equipment input wires terminal X1 has 40 binding posts, is divided into 20 groups, and often group comprises two binding posts,
On the left of external equipment input wires terminal X1,20 binding posts fall down to be respectively designated as left side the 1st binding post A1 to left side the from above
20 binding post A20,20, right side binding post the most named right side the 1st binding post B1 is to right side the 20th binding post
B20, wherein left side connects input signal cable positive pole, and right side connects input signal cable negative pole, and left side the 1st binding post A1 and right side the 1st connect
Terminal B1 connects the 1st road positive input signal line IN0+ and the 1st tunnel negative input holding wire IN0-, left side the 2nd binding post A2 and the right side respectively
Side the 2nd binding post B2 meets the 2nd road positive input signal line IN1+ and the 2nd tunnel negative input holding wire IN1-respectively, the like, left side
16th binding post A16 and right side the 16th binding post B16 connects the 16th road positive input signal line IN15+ and the 16th tunnel positive input letter respectively
Number line IN15-, power line 24V+ meet left side the 20th binding post A20, power line 24V-and connect right side the 20th binding post B20, ground wire
GRND connects right side the 19th binding post B19, left side the 17th binding post A17, left side the 18th binding post A18, left side the 19th binding post
A19, right side the 17th binding post B17, binding post B18 is unsettled on right side the 18th.
Described output wiring terminal X2 is 37 pin D type sockets, and the lead-out wire of socket is according to mouth the widest on the right side of elder generation, then left side is i.e.
Slot is named, and right side is respectively designated as 1 to No. 19 lines of Line 1 19 from top to bottom, and left side is respectively designated as 20 from top to bottom
Number 20 to No. 37 lines of line 37, wherein Line 11 meets the 1st road positive output signal line CH0+, and No. 2 lines 2 connect the 2nd road positive output signal line
CH1+, the like, No. 16 lines 16 meet the 16th road positive output signal line CH15+, and No. 20 lines 20 connect the 1st road negative output signal line
CH0-, No. 21 lines 21 meet the 2nd road negative output signal line CH1-, the like, No. 35 lines 35 connect the 16th road negative output signal line
CH15-, No. 19 line 19 earth lead GRND, No. 17 lines 18, No. 36 lines 36 of 17, No. 18 lines and No. 37 lines 37 are unsettled.
Compared to the prior art this utility model, has the advantage that
1, owing to the output signal of analog input signal and passage to have been carried out isolation design, thermal power plant's analogue signal input
Terminal board has good isolation, the forceful electric power signal that isolation seals in, and will not damage other module of control system.
2, each input channel is separate, if a-road-through road goes wrong, other road is properly functioning, is independent of each other.
3, owing to the output signal of analog input signal and passage has been carried out isolation design, thermal power plant's analogue signal is defeated
Enter terminal board anti-interference high, it is possible to stable operation in complicated electromagnetic environment.
4, thermal power plant's input end of analog signal daughter board versatility is high, and control system various analogue signal inputting modular unit can
Use.
5, thermal power plant's input end of analog signal daughter board circuit structure is simple, low cost, it is easy to large-scale production and application.
Accompanying drawing explanation
Tu1Shi thermal power plant input end of analog signal daughter board structure chart.
Fig. 2 is input power circuit.
Fig. 3 is the circuit diagram of input channel.
Fig. 4 is input terminal subgraph.
Fig. 5 is outlet terminal subgraph.
Fig. 6 is P1 configuration schematic diagram and working method.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As it is shown in figure 1, this utility model one thermal power plant input end of analog signal daughter board, including input power circuit E, with
Input power circuit E connect 16 tunnel input channels, the external equipment input wires terminal X1 being connected with 16 tunnel input channels and
Output wiring terminal X2；Described 16 tunnel input channels include the 1st tunnel input channel CA1, the 2nd tunnel input channel CA2, successively class
Push away, the 16th tunnel input channel CA16；Described input power circuit E connects the 1st tunnel input channel CA1, the 2nd tunnel by power line P+
Input channel CA2 ... and the 16th tunnel input channel CA16；Described external equipment input wires terminal X1 passes through the 1st tunnel positive input
Holding wire IN0+ and the 1st tunnel negative input holding wire IN0-connect the 1st tunnel input channel CA1, the 2nd road positive input signal line IN1+ and
2nd tunnel negative input holding wire IN1-connect the 2nd tunnel input channel CA2, the like, the 16th road positive input signal line IN15+ and
16th tunnel negative input holding wire IN15-connects the 16th tunnel input channel CA16；Described output wiring terminal X2 is the most defeated by the 1st road
Go out holding wire CH0+ and the 1st road negative output signal line CH0-and connect the 1st tunnel input channel CA1, the 2nd road positive output signal line CH1+
The 2nd tunnel input channel CA2 is connected with the 2nd road negative output signal line CH1-, the like, the 16th road positive output signal line CH15+
The 16th tunnel input channel CA16 is connected with the 16th road negative output signal line CH15-.
As in figure 2 it is shown, described input power circuit E includes the first resettable fuse F1, the first Transient Suppression Diode
V1 and high pressure ceramic disc capacitor C1, what+24V power line connected the first resettable fuse F1 enters line, the first resettable fuse F1
Outlet connect the first Transient Suppression Diode V1 enter line, the outlet of the first Transient Suppression Diode V1 be connected to power line-
24V, the outlet of the first resettable fuse F1 is simultaneously connected with power line P+, and the first Transient Suppression Diode V1 outlet is simultaneously connected with
High pressure ceramic disc capacitor C1 enters line, and high pressure ceramic disc capacitor C1 outlet connects GRND.
1st tunnel input channel CA1 of described 16 tunnel input channels, the 2nd tunnel input channel CA2 ... and the input of the 16th tunnel are logical
The circuit structure of road CA16 is identical with composition；As it is shown on figure 3, described 1st tunnel input channel CA1 includes commutation diode
V2, the second resettable fuse F2,8 channel patching device P1 of model PD, the second Transient Suppression Diode V3 and resistance R1；Input
The power line P+ of power circuit E is connected in series commutation diode V2 and enters line, and commutation diode V2 outlet connects the second self-recoverage and protects
Danger silk F2 enters line, and the second resettable fuse F2 outlet connects power signal line POW0+, the 1 of 8 channel patching device P1 of model PD
Pin connects power signal line POW0+, and 2 pins and 6 pins connect holding wire the 1st road negative output signal line CH0-, 3 pins, 4 draws
It is the most defeated that foot and 5 pins connection holding wire the 1st road positive output signal line CH0+, 16 pins and 12 pins connection holding wire connect the 1st road
Entering holding wire IN0+, 15 pins connect 24V-power line, 14 pins and 11 pins and connect holding wire the 1st tunnel negative input holding wire
IN0-, 13 pins connect current signal line CY0, and 7 pins, 8 pins, 9 pins and 10 pins are unsettled；Current signal line CY0 connects electricity
Resistance R1 enters line, and resistance R1 outlet meets the second Transient Suppression Diode V3 and enters line, and the second Transient Suppression Diode V3 outlet connects the 1st tunnel
Positive output signal line CH0+, resistance R1 outlet is simultaneously connected with the 1st road negative output signal line CH0-.
As shown in Figure 4, described external equipment input wires terminal X1 has 40 binding posts, is divided into 20 groups, and often group comprises
Two binding posts, on the left of external equipment input wires terminal X1,20 binding posts fall down to be respectively designated as left side the 1st wiring from above
Post A1 to left side the 20th binding post A20,20, right side binding post the most named right side the 1st binding post B1 is to right side
20th binding post B20, wherein left side connects input signal cable positive pole, and right side connects input signal cable negative pole, left side the 1st binding post A1 and
Right side the 1st binding post B1 connects the 1st road positive input signal line IN0+ and the 1st tunnel negative input holding wire IN0-, left side the 2nd wiring respectively
Post A2 and right side the 2nd binding post B2 meets the 2nd road positive input signal line IN1+ and the 2nd tunnel negative input holding wire IN1-respectively, successively
Analogizing, left side the 16th binding post A16 and right side the 16th binding post B16 meets the 16th road positive input signal line IN15+ and the 16th respectively
Road positive input signal line IN15-, power line 24V+ meet left side the 20th binding post A20, power line 24V-and connect right side the 20th binding post
B20, ground wire GRND connect right side the 19th binding post B19, left side the 17th binding post A17, left side the 18th binding post A18, left side the 19th
Binding post A19, right side the 17th binding post B17, binding post B18 is unsettled on right side the 18th.
As it is shown in figure 5, described output wiring terminal X2 is 37 pin D type sockets, the lead-out wire of socket is according to the widest on the right side of elder generation
Mouthful, then left side i.e. slot is named, right side is respectively designated as 1 to No. 19 lines of Line 1 19 from top to bottom, and left side is divided from top to bottom
20 to No. 37 lines of the most named No. 20 lines 37, wherein Line 11 meets the 1st road positive output signal line CH0+, and No. 2 lines 2 are just connecing the 2nd tunnel
Output signal line CH1+, the like, No. 16 lines 16 meet the 16th road positive output signal line CH15+, and No. 20 lines 20 connect the 1st tunnel and bear defeated
Going out holding wire CH0-, No. 21 lines 21 meet the 2nd road negative output signal line CH1-, the like, No. 35 lines 35 connect the 16th tunnel negative output
Holding wire CH15-, No. 19 line 19 earth lead GRND, No. 17 lines 18, No. 36 lines 36 of 17, No. 18 lines and No. 37 lines 37 are unsettled.
The method of thermal power plant described in the utility model input end of analog signal daughter board analogue signal input ,+24V external power source
After incoming end daughter board, the first Transient Suppression Diode V1 is prevented from big voltage and burns out circuit, be more than when external power source accesses+
During the voltage of 24V, the first Transient Suppression Diode V1 makes two-stage high impedance become Low ESR at snap action, it is ensured that electricity below
Road is unaffected, and the first resettable fuse F1 is prevented from circuit burnout；External power source connect after, electric current through first from extensive
Double insurance silk F1, commutation diode V2, the second resettable fuse F2 access 8 channel patching device P1 of model PD, the 8 of model PD
Channel patching device P1 carries out inputting the input of analogue signal according to the working method selected.
The working method of the 8 channel patching device P1 according to model PD is different, and every road analogue signal input channel has three kinds
Working method, respectively 4-20mA distribution, the 4-20mA i.e. current system of not distribution and the 0-5V i.e. voltage system of not distribution；Such as Fig. 6
Shown in, mode schematic diagram is made in 8 channel patching device P1 configurations and work for model PD, and the 7 of 8 channel patching device P1 of model PD are drawn
Foot, 8 pins, 9 pins and 10 pins are unsettled；The local expression making fork disconnects, and three kinds of working methods are respectively as follows:
1,4-20mA distribution, the pin 1 of 8 channel patching device P1 of model PD connects with pin 16, and pin 2 and pin 15 are even
Logical, pin 3 connects with pin 14, and pin 4 connects with pin 13, and pin 5 and pin 12 disconnect, and pin 6 and pin 11 disconnect, and draw
Foot 7 and pin 10 disconnect, and pin 8 and pin 9 disconnect；
2, the i.e. current system of 4-20mA not distribution, pin 1 and the pin 16 of 8 channel patching device P1 of model PD disconnect, and draw
Foot 2 and pin 15 disconnect, and pin 3 and pin 14 disconnect, and pin 4 connects with pin 13, and pin 5 connects with pin 12, pin 6 He
Pin 11 connects, and pin 7 and pin 10 disconnect, and pin 8 and pin 9 disconnect；
3, the i.e. voltage system of 0-5V not distribution, pin 1 and the pin 16 of 8 channel patching device P1 of model PD disconnect, pin 2
Disconnecting with pin 15, pin 3 and pin 14 disconnect, and pin 4 and pin 13 disconnect, and pin 5 connects with pin 12, pin 6 and drawing
Foot 11 connects, and pin 7 and pin 10 disconnect, and pin 8 and pin 9 disconnect.
Such as accompanying drawing 1, Fig. 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, as preferred implementation of the present utility model, first from extensive
Double insurance silk F1 uses model RXE110E17, second resettable fuse F2 use model RXE010, first transient state suppression two
Pole pipe V1 uses model SA24CA, and commutation diode V2 uses model IN4007, the second Transient Suppression Diode V3 to use model
SA85CA, high pressure ceramic disc capacitor C1 use 103/2000V, jumper wire device P1 to use 8 channel patching device PD, external equipment input wires
Terminal X1 uses the binding post of TERM40 model, has 20 groups, 40 binding posts, and the most often two binding posts of group, connect respectively
The positive pole of input signal and negative pole, output wiring terminal X2 uses 37 pin terminal DB37 types.
Claims (5)
1. thermal power plant's input end of analog signal daughter board, it is characterised in that: include input power circuit (E), with input power
The 16 tunnel input channels that circuit (E) connects, external equipment input wires terminal (X1) being connected with 16 tunnel input channels and output
Binding post (X2)；Described 16 tunnel input channels include the 1st tunnel input channel (CA1), the 2nd tunnel input channel (CA2), successively class
Push away, the 16th tunnel input channel (CA16)；Described input power circuit (E) connects the 1st tunnel input channel by power line P+
(CA1), the 2nd tunnel input channel (CA2) ... and the 16th tunnel input channel (CA16)；Described external equipment input wires terminal
(X1) the 1st tunnel input channel is connected by the 1st road positive input signal line (IN0+) and the 1st tunnel negative input holding wire (IN0-)
(CA1), the 2nd road positive input signal line (IN1+) and the 2nd tunnel negative input holding wire (IN1-) connect the 2nd tunnel input channel (CA2),
The like, it is logical that the 16th road positive input signal line (IN15+) and the 16th tunnel negative input holding wire (IN15-) connect the 16th tunnel input
Road (CA16)；Described output wiring terminal (X2) passes through the 1st road positive output signal line (CH0+) and the 1st road negative output signal line
(CH0-) the 1st tunnel input channel (CA1), the 2nd road positive output signal line (CH1+) and the 2nd road negative output signal line (CH1-) are connected
Connect the 2nd tunnel input channel (CA2), the like, the 16th road positive output signal line (CH15+) and the 16th road negative output signal line
(CH15-) the 16th tunnel input channel (CA16) is connected.
A kind of thermal power plant the most according to claim 1 input end of analog signal daughter board, it is characterised in that: described input power
Circuit (E) includes the first resettable fuse (F1), the first Transient Suppression Diode (V1) and high pressure ceramic disc capacitor (C1) ,+24V
What power line connected the first resettable fuse (F1) enters line, and the outlet of the first resettable fuse (F1) connects the first transient state and presses down
Diode processed (V1) enter line, the outlet of the first Transient Suppression Diode (V1) is connected to power line-24V, and the first self-recoverage is protected
The outlet of danger silk (F1) is simultaneously connected with power line (P+), and the first Transient Suppression Diode (V1) outlet is simultaneously connected with high pressure ceramics electricity
Holding (C1) and enter line, high pressure ceramic disc capacitor (C1) outlet connects GRND.
A kind of thermal power plant the most according to claim 1 input end of analog signal daughter board, it is characterised in that: described 16 tunnel inputs
The circuit knot of the 1st tunnel input channel (CA1) of passage, the 2nd tunnel input channel (CA2) ... and the 16th tunnel input channel (CA16)
Structure is identical with composition；
Described 1st tunnel input channel (CA1) include commutation diode (V2), the second resettable fuse (F2), model PD 8 lead to
Road jumper wire device (P1), the second Transient Suppression Diode (V3) and resistance (R1)；Power line (P+) series connection of input power circuit (E)
Connecting commutation diode (V2) and enter line, commutation diode (V2) outlet connects the second resettable fuse (F2) and enters line, and second certainly
Recovering electric fuse (F2) outlet and connect power signal line (POW0+), 1 pin of 8 channel patching devices (P1) of model PD connects electricity
Source signal line (POW0+), 2 pins and 6 pins connect holding wire the 1st road negative output signal line (CH0-), 3 pins, 4 pins and 5
Pin connects holding wire the 1st road positive output signal line (CH0+), 16 pins and 12 pins connection holding wire and connects the 1st tunnel positive input letter
Number line (IN0+), 15 pins connect 24V-power line, 14 pins and 11 pins and connect holding wire the 1st tunnel negative input holding wire
(IN0-), 13 pins connect current signal line (CY0), and 7 pins, 8 pins, 9 pins and 10 pins are unsettled；Current signal line
(CY0) connecting resistance (R1) enters line, and resistance (R1) outlet connects the second Transient Suppression Diode (V3) and enters line, and the second transient state suppresses two poles
Pipe (V3) outlet connects the 1st road positive output signal line (CH0+), and resistance (R1) outlet is simultaneously connected with the 1st road negative output signal line
(CH0-)。
A kind of thermal power plant the most according to claim 1 input end of analog signal daughter board, it is characterised in that: described external equipment
Input wires terminal (X1) has 40 binding posts, is divided into 20 groups, and often group comprises two binding posts, external equipment input terminal
20 binding posts in son (X1) left side fall down to be respectively designated as left side the 1st binding post (A1) to left side the 20th binding post (A20) from above,
20, right side binding post the most named right side the 1st binding post (B1) is to right side the 20th binding post (B20), wherein left
Side joint input signal cable positive pole, right side connects input signal cable negative pole, left side the 1st binding post (A1) and right side the 1st binding post (B1)
Connect the 1st road positive input signal line (IN0+) and the 1st tunnel negative input holding wire (IN0-), left side the 2nd binding post (A2) and the right side respectively
Side the 2nd binding post (B2) connects the 2nd road positive input signal line (IN1+) and the 2nd tunnel negative input holding wire (IN1-), successively class respectively
Push away, left side the 16th binding post (A16) and right side the 16th binding post (B16) connect respectively the 16th road positive input signal line (IN15+) and
16th road positive input signal line (IN15-), power line 24V+ connects left side the 20th binding post (A20), and power line 24V-connects right side the
20 binding posts (B20), ground wire GRND connects right side the 19th binding post (B19), left side the 17th binding post (A17), left side the 18th wiring
Post (A18), left side the 19th binding post (A19), right side the 17th binding post (B17), right side the 18th binding post (B18) are unsettled.
A kind of thermal power plant the most according to claim 1 input end of analog signal daughter board, it is characterised in that: described output connection
Terminal (X2) is 37 pin D type sockets, and the lead-out wire of socket is according to mouth the widest on the right side of elder generation, then left side i.e. slot is named, right side
Being respectively designated as Line 1 (1) to No. 19 line (19) from top to bottom, left side is respectively designated as No. 20 lines (20) to No. 37 from top to bottom
Line (37), wherein Line 1 (1) connects the 1st road positive output signal line (CH0+), and No. 2 lines (2) meet the 2nd road positive output signal line (CH1
+), the like, No. 16 lines (16) connect the 16th road positive output signal line (CH15+), and No. 20 lines (20) connect the 1st road negative output signal
Line (CH0-), No. 21 lines (21) connect the 2nd road negative output signal line (CH1-), the like, No. 35 lines (35) connect the 16th tunnel and bear defeated
Go out holding wire (CH15-), No. 19 line (19) earth lead GRND, No. 17 lines (17), No. 18 lines (18), No. 36 lines (36) and No. 37 lines
(37) unsettled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564643.3U CN205691991U (en) | 2016-06-13 | 2016-06-13 | A kind of thermal power plant input end of analog signal daughter board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564643.3U CN205691991U (en) | 2016-06-13 | 2016-06-13 | A kind of thermal power plant input end of analog signal daughter board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691991U true CN205691991U (en) | 2016-11-16 |
Family
ID=57428181
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620564643.3U Expired - Fee Related CN205691991U (en) | 2016-06-13 | 2016-06-13 | A kind of thermal power plant input end of analog signal daughter board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125589A (en) * | 2016-06-13 | 2016-11-16 | 西安西热控制技术有限公司 | A kind of thermal power plant's input end of analog signal daughter board and method |
-
2016
- 2016-06-13 CN CN201620564643.3U patent/CN205691991U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125589A (en) * | 2016-06-13 | 2016-11-16 | 西安西热控制技术有限公司 | A kind of thermal power plant's input end of analog signal daughter board and method |
| CN106125589B (en) * | 2016-06-13 | 2018-05-11 | 西安西热控制技术有限公司 | A kind of thermal power plant's input end of analog signal daughter board and method |
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