CN209542741U - A kind of plate pulling device test circuit board - Google Patents
A kind of plate pulling device test circuit board Download PDFInfo
- Publication number
- CN209542741U CN209542741U CN201920199583.3U CN201920199583U CN209542741U CN 209542741 U CN209542741 U CN 209542741U CN 201920199583 U CN201920199583 U CN 201920199583U CN 209542741 U CN209542741 U CN 209542741U
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- China
- Prior art keywords
- circuit
- pulling device
- plate pulling
- cpu
- key
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of plate pulling devices to test circuit board, including test board CPU, key circuit A, 5V power circuit, program download circuit, LCD display circuit and plate pulling device CPU, the test board CPU is separately connected key circuit A, 5V power circuit, program download circuit, LCD display circuit and plate pulling device CPU, stepper motor and key circuit B are also connected on plate pulling device CPU, the utility model plate pulling device test circuit board is able to detect the signal transmission port of SOLNA plate pulling device and the ability of control stepper motor, to achieve the purpose that the entire hardware circuit of detection.
Description
Technical field
The utility model relates to the field of test technology, specifically a kind of plate pulling device tests circuit board.
Background technique
Filter press applies certain pressure to object using a kind of special filter medium, so that liquid dialysis came out
A kind of mechanical equipment is a kind of common solid-liquid separating equipment.Just it is applied to Chemical Manufacture in 18 beginnings of the century, still answers extensively so far
For industries such as chemical industry, pharmacy, metallurgy, dyestuff, food, brewing, ceramics and environmental protection.
Current filter press is broadly divided into two kinds of forms, and one is belt filter press, although this efficiency ratio is very fast,
Moisture percentage in sewage sludge religion is high, consumes energy larger, maintenance is more difficult, and another kind is plate and frame filter press.Have inside plate and frame filter press and draws
Plate device, plate pulling device need to carry out signal transmission port before use and control the test of the ability of stepper motor, and the prior art is simultaneously
Not for the equipment of this detection.
Utility model content
The purpose of this utility model is to provide a kind of plate pulling devices to test circuit board, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of plate pulling device tests circuit board, including test board CPU, key circuit A, 5V power circuit, program download circuit,
LCD display circuit and plate pulling device CPU, the test board CPU are separately connected key circuit A, 5V power circuit, program downloading electricity
Road, LCD display circuit and plate pulling device CPU are also connected with stepper motor and key circuit B on plate pulling device CPU.
Further technical solution as the utility model: the LCD display circuit uses LCD1602 display screen,
The data port of LCD1602 display screen is connect with test board CPU.
Further technical solution as the utility model: the key circuit A includes six press keys, and six press keys connect
Meet test board CPU.
Further technical solution as the utility model: the key circuit B includes ten keys, and ten keys connect
Meet plate pulling device CPU.
Further technical solution as the utility model: pass through interface electricity between the test board CPU and plate pulling device CPU
Road is connected, and interface circuit includes interface and data line.
Compared with prior art, the utility model has the beneficial effects that the utility model plate pulling device test circuit board can
The signal transmission port of SOLNA plate pulling device and the ability of control stepper motor are detected, to reach the entire hardware circuit of detection
Purpose.
Detailed description of the invention
Fig. 1 is the block diagram of the utility model.
Fig. 2 is the circuit diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: a kind of plate pulling device tests circuit board, including test board CPU, key circuit A, 5V referring to FIG. 1-2,
Power circuit, program download circuit, LCD display circuit and plate pulling device CPU, LCD display circuit are mainly used to show that SOLNA is drawn
Each I/O mouthfuls of output signal of plate device, the test board CPU are separately connected key circuit A, 5V power circuit, program downloading
Circuit, LCD display circuit and plate pulling device CPU, are connected between test board CPU and plate pulling device CPU by interface circuit, interface electricity
Road includes interface and data line, and stepper motor and key circuit B are also connected on plate pulling device CPU.Interface module is mainly used to connect
The output signal of SOLNA plate pulling device is received, and these signals are passed to display module and are shown, and some letters of test board
Number it is transferred to SOLNA plate pulling device；Last two external stepper motors are exactly for detecting SOLNA plate pulling device to stepper motor
Control situation.
This test board key part mainly has two parts, and there are six key such as Error altogether for a part！Reference
Shown in source not found., this six press keys has all been connected to single-chip microcontroller, and wherein S1, S2 are the menu selection keys of LCD,
Can control LCD show the signal of switch on SOLNA plate pulling device, on two interfaces of state of stepper motor or test board by
The signal of key input passes through three interfaces of signal of SOLNA plate pulling device output；Tetra- keys of S3, S4, S5, S6 are all control steppings
Key S3, S4 of motor steering control No.1 stepper motor, and S5, S6 control No. two stepper motors.Another part key shares ten
A key such as Error！Shown in Reference source not found., the effect of this part key is to give SOLNA plate pulling device
I/O mouth input signal, the signal of input is handled by SOLNA plate pulling device, and is transferred to test board by interface circuit
Single-chip microcontroller, finally pass to LCD1602 and shown.This step can detect the hardware circuit of the port I/O of SOLNA plate pulling device.
The interface module of this test circuit is made of data line and interface, and stand J5 is connected with data line, so
Data line connects SOLNA plate pulling device afterwards, makes the mutual transmission that data are carried out between test board and SOLNA plate pulling device, the biography of data
422 agreements of defeated use, so single-chip microcontroller transmits signal, reception signal money will carry out level conversion, chip U2-
The effect of MAX232, U3-MAX489 are exactly the conversion for carrying out level.
The stepper motor of this test circuit board is directly to be connected with SOLNA plate pulling device, for detecting the control of SOLNA plate pulling device
The hardware circuit of stepper motor part, for two stepper motor electricity by the key control of pressing of test circuit board, it is electric that key can control stepping
The forward and backward of machine, to achieve the purpose that detect the hardware circuit.
The circuit diagram of this test circuit such as Error！In Reference source not found. shown in lower section, entirely
Test circuit is primarily used to the hardware circuit of detection SOLNA plate pulling device, which is shown from two big directions, point
It is not to receive signal: from test communication number to SOLNA plate pulling device, the output letter of SOLNA plate pulling device is then shown with LCD1602
Number；There are also be exactly output signal: showing the state of the switch of SOLNA plate pulling device with LCD1602 and is directly examined with stepper motor
The control port of observing and controlling stepper motor.It just can determine that the hardware circuit of entire SOLNA plate pulling device by the detection of this two step
Embodiment 2, on the basis of embodiment 1, the LCD display circuit use LCD1602 display screen, and LCD1602 is aobvious
The data port of display screen is connect with test board CPU.The reading and writing signal of LCD1602 display screen, enable signal are all by single-chip microcontroller simultaneously
It provides.The effect of LCD1602 display screen is some signals for showing the toggle switch control on plate pulling device, and one shares a coding
Switch and two rotary encoder switchs, the display screen can show the state of these switches, to play test SOLNA
Plate pulling device controls the hardware circuit of signal transmission.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of plate pulling device tests circuit board, including test board CPU, key circuit A, 5V power circuit, program download circuit,
LCD display circuit and plate pulling device CPU, which is characterized in that the test board CPU be separately connected key circuit A, 5V power circuit,
Program download circuit, LCD display circuit and plate pulling device CPU are also connected with stepper motor and key circuit B on plate pulling device CPU.
2. a kind of plate pulling device according to claim 1 tests circuit board, which is characterized in that the LCD display circuit uses
The data port of LCD1602 display screen, LCD1602 display screen is connect with test board CPU.
3. a kind of plate pulling device according to claim 1 tests circuit board, which is characterized in that the key circuit A includes six
A key, six press keys are all connected with test board CPU.
4. a kind of plate pulling device according to claim 3 tests circuit board, which is characterized in that the key circuit B includes ten
A key, ten keys are all connected with plate pulling device CPU.
5. a kind of plate pulling device according to claim 1 to 4 tests circuit board, which is characterized in that the test board CPU
It is connected between plate pulling device CPU by interface circuit, interface circuit includes interface and data line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199583.3U CN209542741U (en) | 2019-02-15 | 2019-02-15 | A kind of plate pulling device test circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199583.3U CN209542741U (en) | 2019-02-15 | 2019-02-15 | A kind of plate pulling device test circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209542741U true CN209542741U (en) | 2019-10-25 |
Family
ID=68273278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920199583.3U Expired - Fee Related CN209542741U (en) | 2019-02-15 | 2019-02-15 | A kind of plate pulling device test circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209542741U (en) |
-
2019
- 2019-02-15 CN CN201920199583.3U patent/CN209542741U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20210215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |