CN202120069U - Pulse generator for ultrasonic antiscale device - Google Patents
Pulse generator for ultrasonic antiscale device Download PDFInfo
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- CN202120069U CN202120069U CN2011201948179U CN201120194817U CN202120069U CN 202120069 U CN202120069 U CN 202120069U CN 2011201948179 U CN2011201948179 U CN 2011201948179U CN 201120194817 U CN201120194817 U CN 201120194817U CN 202120069 U CN202120069 U CN 202120069U
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Abstract
The present utility model relates to the ultrasonic antiscale device control technology field, especially relates to a pulse generator for a novel ultrasonic antiscale device. The pulse generator is composed of a one-chip microcomputer; a crystal oscillator and reset circuit, a waveform protection circuit, and a 485 bus communication circuit which are respectively connected with the one-chip microcomputer, and a 485 bus connected with the 485 bus communication circuit, wherein the waveform protection circuit, the 485 bus communication circuit and the 485 bus are connected with a motherboard of the IGBT ultrasonic antiscale device. An STC12C5616AD one-chip microcomputer is adopted, RSM 485 chips driven and isolated by the integrated 485 bus as a whole are adopted in the 485 bus communication circuit, and the waveform protection circuit is connected with the one-chip microcomputer through two paths of I/O interfaces. By adopting the chips with the same logic as the 74ACT00 series which has larger output current and stronger driving capability, the original one-to-one infrared radio communication is substituted by the 485 bus wired communication, and more practical functions are increased.
Description
Technical field
The utility model relates to ultrasound wave descaling device control technology field, particularly relates to the pulse producer that a kind of novel ultrasonic antiscaling device is used.
Background technology
It with water the easy scale formation such as heat-exchange apparatus or pipeline of medium.The best approach of struggling with incrustation scale is to prevent that incrustation scale from forming.Adopting ultrasound wave to carry out scale inhibition and scale removal, is a kind of rapidly efficient, economic technology of development in recent years.
Chinese patent ZL200620090009.7 discloses a kind of " from the antiscale boiler ", and its principle of work is that the current impulse that changes is outputed to transducer.Transducer is converted into ultrasound wave with the current impulse that changes, and acts on load, reaches the purpose of scale removal.It is that its " from antiscale boiler " provides the basis pulses waveform that the anti-scale removal apparatus multifunction of the ultrasonic pulse of Chinese patent " ZL2009 2 0012362.7 " embeds control panel." the anti-scale removal apparatus multifunction of ultrasonic pulse embeds control panel " comprises circuit board; Be arranged on the power IC on the circuit board; Arm processor; The infrared receiving/transmission circuit that is connected with arm processor, the program among waveform holding circuit of CD4000 family chip (being disclosed logical circuit and output circuit among the Chinese patent ZL200920012362.7) and the ARM.Along with development of electronic technology, more perfect IGBT is that the application technology of power component is day by day ripe.With IGBT be the ultrasonic antiscaling device of power device with its good frequency characteristic, highly reliable protective capability more is applicable to the industry that needs ultrasound wave descaling.The principle of work of the ultrasonic apparatus for eliminating sludge of IGBT is: the ultrasonic apparatus for eliminating sludge motherboard of pulse producer output pulse waveform → IGBT is enlarged into heavy current pulse → transducer with pulse waveform electric current is converted into ultrasound wave.
Along with the ultrasonic apparatus for eliminating sludge replacement of IGBT " from the antiscale boiler ", it is no longer suitable that the anti-scale removal apparatus multifunction of ultrasonic pulse embeds a lot of functions of control panel.The arm processor of existing pulse generator: cost an arm and a leg, programming is complicated, the infrared receiving/transmission circuit: can only man-to-manly communicate by letter, and the waveform holding circuit of CD4000 family chip: output power is not enough, needs the extra power amplification circuit that adds.
Summary of the invention
The purpose of the utility model provides the pulse producer that a kind of ultrasonic antiscaling device is used; For ultrasonic antiscaling device main plate provides reliable adjustable working pulse; And when motherboard detects fault; Send alerting signal to showing machine or PC supporting end, write down set-up time and service time simultaneously with scale prevention device.
The pulse producer that the ultrasonic antiscaling device of the utility model is used; It is characterized in that by single-chip microcomputer; The active crystal oscillator, reset circuit, waveform holding circuit, the 485 bus communication circuit that are connected of single-chip microcomputer therewith respectively; 485 buses that are connected of 485 bus communication circuit are formed therewith, and described waveform holding circuit, 485 bus communication circuit, 485 buses are connected with the motherboard of IGBT ultrasonic antiscaling device.The motherboard of the ultrasonic apparatus for eliminating sludge of IGBT of the utility model is a prior art, for the utility model provides power supply.
Described waveform holding circuit by with single-chip microcomputer on the P1 that is connected of P1, two I/O ports of P2 and P2 with door; Therewith the P3 that is connected with output P3 P2 and door of P1 and P1 with door, P3 and P2 with door; Respectively therewith P3 and P1 with door, P3 the phase inverter that is connected with door with P2; The output terminal of phase inverter Sheffer stroke gate that be connected and P3 is formed therewith; P1 and P2 with door output P3, P3 and P1, P2 respectively once more through P3 and P1 with door, P3 and P2 be connected to phase inverter with door, the output of phase inverter and P3 are connected to Sheffer stroke gate completion waveform and protect.
The principle of work of waveform holding circuit is: single-chip microprocessor MCU exports the two-way pulse to P1, P2.P3 be P1, P2 with the result.Alternate conduction during operate as normal.P3 be " 1 ": P1 or P2 through with " 1 " with non-non-again after again with P3 and process, waveform is outputed to the motherboard of novel pulse antiscaling device; P3 is 0: suppose program powers on, and runs fault such as to fly when taking place, and P3 is 0, at P1, P2 through with door the time, with its interception.Generator no signal output this moment.Thereby reach the purpose of the novel ultrasonic pulse scale prevention device motherboard of protection.
The 74ACT family chip has been adopted in the design of the utility model.The control panel of comparing the anti-scale removal equipment of former ultrasonic pulse has stronger driving force.
Described single-chip microcomputer is selected the STC12C5616AD single-chip microcomputer.
Described 485 bus communication circuit use integrated 485 bus driver, are isolated into the RSM485 chip of one.
Described waveform holding circuit is connected with described single-chip microcomputer through two-way I/O port.
The 485 bus communication circuit of the utility model are responsible for single-chip microprocessor MCU and scale prevention device and are shown communicating by letter between machine or the PC supporting end.The utility model is accomplished following function through 485 buses and " waveshape monitor " or PC that software kit has been installed:
1) sets the set-up time;
2) check installation and service time;
3) set and check the parameter of the pulse of the utility model output.Comprise " dominant frequency " " pulsewidth " and " cycle ";
4) " learn " when system breaks down at the utility model, send alerting signal.
The waveform holding circuit of the utility model can guarantee can not break down because of the overlapping motherboard that causes of two-way waveform.Making pulse producer is that ultrasonic antiscaling device main plate provides the staggered pulse of two-way more reliable, and increases the driving force of 50mA for the waveform of MCU output.
Single-chip microcomputer is responsible for according to order, data through the loading of 485 buses, and output two-way waveform perhaps will be returned waveshape monitor or the PC supporting with novel scale prevention device by information inquiring.
The utility model compared with prior art has advantage: expensive ARM is replaced with satisfy application requirements, single-chip microcomputer with low cost; Infrared emission circuit and power circuit have been removed; The holding circuit of CD4000 series is replaced with the more powerful 74ACT family chip of output driving force; Increased by 485 bus communication functions, and then can realize more utility function.
The utility model can be ultrasonic antiscaling device main plate reliable adjustable working pulse is provided, and when motherboard detects fault, sends alerting signal to showing machine or PC supporting end with scale prevention device, writes down set-up time and service time simultaneously.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Fig. 2 is a waveform holding circuit schematic diagram.
Embodiment
Specify the embodiment of the utility model below in conjunction with accompanying drawing.
As shown in Figure 1; The pulse producer that the ultrasonic antiscaling device of the utility model is used; It is characterized in that by single-chip microcomputer; The active crystal oscillator, reset circuit, waveform holding circuit, the 485 bus communication circuit that are connected of single-chip microcomputer therewith respectively, 485 buses that are connected of 485 bus communication circuit are formed therewith, and described waveform holding circuit, 485 bus communication circuit, 485 buses are connected with the motherboard of IGBT ultrasonic antiscaling device.
The motherboard of the ultrasonic apparatus for eliminating sludge of IGBT is a prior art, for the utility model provides power supply, therefore this technology is not described in detail itself.
As shown in Figure 2; Described waveform holding circuit serve as reasons with single-chip microcomputer on the P1 that is connected of P1, two I/O ports of P2 and P2 with door 1; Therewith P1 and P3 that is connected with output P3 door 1 P2 and P1 with door, P3 and P2 with door; Respectively therewith P3 and P1 with door, P3 the phase inverter that is connected with door 2 with P2, the output terminal of phase inverter Sheffer stroke gate 3 that be connected and P3 is formed therewith, P1 and P2 export P3 with door 1; Once more through being connected to phase inverter 2 with door, the output of phase inverter 2 and P3 are connected to Sheffer stroke gate 3 respectively for P3 and P1, P2.
Described single-chip microcomputer is selected the STC12C5616AD single-chip microcomputer.Can be under the situation of power down among the EEPROM of STC12C5616AD stored waveform parameter, operation and service time.
Described 485 bus communication circuit use integrated 485 bus driver, are isolated into the RSM485 chip of one.Between 485 buses and microcontroller serial port, change.The 5V level that single-chip microcomputer is sent is converted into 485 bus level, and the data that serial ports is sent out are sent to 485 buses, and the data on 485 buses are transferred to other nodes, accomplishes communication.In 485 common designs, need to adopt devices such as a slice power isolation module and 3 road optocouplers, RS-485 transceiver could realize the RS-485 circuit that band is isolated.And RSM485 integrated isolated from power, electrical isolation, RS-485, the primary characteristic of compatible RS-485 comprises the control pin, sends pin and receives pin; Adopt dosing technology; Isolation voltage is up to 2500V DC, and electromagnetic radiation EME is extremely low, and the anti-interference EMI property of electromagnetism is high.The use of RSM485 can many-many communication, and simplified structure also makes system more reliable and more stable.
Described waveform holding circuit is connected with described single-chip microcomputer through two-way I/O mouth.
The waveform holding circuit is as shown in Figure 2: the MCU of single-chip microcomputer exports the two-way pulse to P1, P2.P3 be P1, P2 with the result.Alternate conduction during operate as normal.P3 be " 1 ": P1 or P2 through with " 1 " with non-non-again after again with P3 and process, waveform is outputed to the motherboard of novel pulse antiscaling device.P3 is 0: suppose program powers on, and runs fault such as to fly when taking place, and P3 is 0.When P1, P2 pass through with door, with its interception.Generator no signal output this moment.Thereby reach the purpose of the novel ultrasonic pulse scale prevention device motherboard of protection.
Claims (5)
1. pulse producer that the ultrasonic antiscaling device is used; It is characterized in that by single-chip microcomputer; The crystal oscillator that is connected of single-chip microcomputer and reset circuit, waveform holding circuit, 485 bus communication circuit therewith respectively; 485 buses that are connected of 485 bus communication circuit are formed therewith, and described waveform holding circuit, 485 bus communication circuit, 485 buses are connected with the motherboard of IGBT ultrasonic antiscaling device.
2. the pulse producer that ultrasonic antiscaling device according to claim 1 is used; It is characterized in that described waveform holding circuit by with single-chip microcomputer on the P1 that is connected of P1, two I/O ports of P2 and P2 with door; Therewith the P3 that is connected with output P3 P2 and door of P1 and P1 with door, P3 and P2 with door; Respectively therewith P3 and P1 with door, P3 the phase inverter that is connected with door with P2, the output terminal of phase inverter Sheffer stroke gate that be connected and P3 is formed therewith.
3. the pulse producer that ultrasonic antiscaling device according to claim 1 is used is characterized in that described single-chip microcomputer selection STC12C5616AD single-chip microcomputer.
4. the pulse producer that ultrasonic antiscaling device according to claim 1 is used is characterized in that described 485 bus communication circuit use integrated 485 bus driver, are isolated into the RSM485 chip of one.
5. the pulse producer that ultrasonic antiscaling device according to claim 1 is used is characterized in that described waveform holding circuit is connected with described single-chip microcomputer through two-way I/O mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201948179U CN202120069U (en) | 2011-06-10 | 2011-06-10 | Pulse generator for ultrasonic antiscale device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201948179U CN202120069U (en) | 2011-06-10 | 2011-06-10 | Pulse generator for ultrasonic antiscale device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120069U true CN202120069U (en) | 2012-01-18 |
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ID=45461120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201948179U Expired - Lifetime CN202120069U (en) | 2011-06-10 | 2011-06-10 | Pulse generator for ultrasonic antiscale device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365229A (en) * | 2013-07-15 | 2013-10-23 | 谷俊峰 | Intelligent control method for scale-prevention and scale-removal of ultrasonic scale-prevention and scale-removal device |
-
2011
- 2011-06-10 CN CN2011201948179U patent/CN202120069U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365229A (en) * | 2013-07-15 | 2013-10-23 | 谷俊峰 | Intelligent control method for scale-prevention and scale-removal of ultrasonic scale-prevention and scale-removal device |
| CN103365229B (en) * | 2013-07-15 | 2015-11-04 | 谷俊峰 | The intelligent control method of ultrasonic for scale prevention and removal equipment antiscaling, descaling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |