CN204507892U - A kind of dual signal source electric-control system - Google Patents
A kind of dual signal source electric-control system Download PDFInfo
- Publication number
- CN204507892U CN204507892U CN201420859003.6U CN201420859003U CN204507892U CN 204507892 U CN204507892 U CN 204507892U CN 201420859003 U CN201420859003 U CN 201420859003U CN 204507892 U CN204507892 U CN 204507892U
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- China
- Prior art keywords
- scraper plate
- slide plate
- control module
- switch
- over valve
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Abstract
The utility model is applicable to field of circuit control, provide a kind of dual signal source electric-control system, it comprises automatic Compression button, stops compression button, pressure relay, scraper plate open switch, combination switch scraped by slide plate downing switch, scraper plate, slide plate upstream switch, control module, scraper plate open change-over valve, the descending change-over valve of slide plate, scraper plate are scraped and closed change-over valve and the up change-over valve of slide plate.Automatic Compression button, stopping compression button and pressure relay are electrically connected with control module.One end that scraper plate opens switch is electrically connected with control module, and the other end is connected with upper dress power electric.One end of slide plate downing switch is electrically connected with control module, and the other end is connected with upper dress power electric.One end that combination switch scraped by scraper plate is electrically connected with control module, and the other end is connected with upper dress power electric.One end of slide plate upstream switch is electrically connected with control module, and the other end is connected with upper dress power electric.Scraper plate opens change-over valve, the descending change-over valve of slide plate, conjunction change-over valve scraped by scraper plate and the up change-over valve of slide plate is all electrically connected with control module.Scraper plate opens switch, slide plate downing switch, combination switch scraped by scraper plate and slide plate upstream switch is position transduser.
Description
Technical field
The utility model belongs to field of circuit control, particularly relates to a kind of dual signal source electric-control system.
Background technology
Rear-loading compression type garbage truck rubbish compressing mechanism is primarily of scraper plate, slide plate two parts composition.Compressing mechanism has following four actions respectively in garbage-compressing process: scraper plate opens, slide plate is descending, conjunction scraped by scraper plate, slide plate is up.After control system obtains action switching signal, automatically current action is switched to next action.At present, above-mentioned control system takes separately following two kinds of signal sources as the action switching signal of scraper plate, slide plate usually: the mode adopting pressure relay to detect hydraulic system pressure provides action switching signal source for control system; Adopt position transduser to detect scraper plate, the mode of slide plate operating position provides action switching signal source for control system.If adopt separately the signal source that pressure relay or position transduser switch as scraper plate, slide plate action, its advantage is that cost is lower; Its shortcoming is that reliability is poor, and namely after pressure relay or position transduser lost efficacy, scraper plate, slide plate then can not carry out action switching and affect garbage-compressing work.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of dual signal source electric-control system, and being intended to increases control system reliability of operation.
The utility model realizes like this, a kind of dual signal source electric-control system, comprises automatic Compression button, stops that compression button, pressure relay, scraper plate open switch, combination switch scraped by slide plate downing switch, scraper plate, slide plate upstream switch, control module, scraper plate open change-over valve, the descending change-over valve of slide plate, scraper plate are scraped and closed change-over valve and the up change-over valve of slide plate.This automatic Compression button, stopping compression button being connected with this control module and upper dress power electric.This pressure relay is connected with this control module and upper dress power electric.One end that scraper plate opens switch is electrically connected with control module, and the other end is connected with upper dress power electric.One end of this slide plate downing switch is electrically connected with control module, and the other end is connected with upper dress power electric.One end that combination switch scraped by this scraper plate is electrically connected with control module, and the other end is connected with upper dress power electric.One end of slide plate upstream switch is electrically connected with control module, and the other end is connected with upper dress power electric.One end that this scraper plate opens change-over valve is electrically connected with this control module, and the other end is connected with upper dress power electric.One end of the descending change-over valve of this slide plate is electrically connected with this control module, and the other end is connected with upper dress power electric.This scraper plate is scraped the one end of closing change-over valve and is electrically connected with this control module, and the other end is connected with upper dress power electric.One end of the up change-over valve of this slide plate is electrically connected with this control module, and the other end is connected with upper dress power electric.This control module is connected with upper dress power electric simultaneously.This scraper plate opens switch, this slide plate downing switch, combination switch scraped by this scraper plate and this slide plate upstream switch is position transduser.
Further, this scraper plate opens change-over valve, the descending change-over valve of this slide plate, conjunction change-over valve scraped by this scraper plate and the up change-over valve of this slide plate is hydraulic valve.
Further, the control method of this dual signal source electric-control system comprises the steps:
After this automatic Compression button is connected, this control module sends scraper plate and opens instruction, and this scraper plate opens change-over valve and connects, and this scraper plate opens, and whether the scraper plate of this control module detection simultaneously opens switch and connect;
If this scraper plate opens switch connection, this control module stops scraper plate opening instruction immediately and sends slide plate downlink command;
If this scraper plate opens switch access failure, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops scraper plate opening instruction and send slide plate downlink command equally immediately;
After this control module sends slide plate downlink command, the descending change-over valve of this slide plate is connected, and this slide plate is descending, and whether this control module detects this slide plate downing switch and connect simultaneously;
If this slide plate downing switch is connected, this control module stops slide plate downlink command and sends scraper plate scraping conjunction instruction immediately;
If this slide plate downing switch access failure, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops slide plate downlink command and sends scraper plate scraping conjunction instruction equally immediately;
This control module sends scraper plate and scrapes and close after instruction, and this scraper plate is scraped and closed change-over valve and connect, and conjunction scraped by this scraper plate, and whether this control module detects this scraper plate and scrape combination switch and connect simultaneously;
Connect if combination switch scraped by this scraper plate, this control module stops scraper plate scraping conjunction instruction and send slide plate up-on command immediately;
If combination switch access failure scraped by this scraper plate, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops scraper plate scraping conjunction instruction and send slide plate up-on command equally immediately;
If this slide plate upstream switch is connected, this control module stops slide plate up-on command and sends scraper plate opening instruction immediately;
If this slide plate upstream switch access failure, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops slide plate up-on command and sends scraper plate opening instruction equally immediately.
The like, continue periodical duty.
If in arbitrary process that this scraper plate opens, slide plate is descending, conjunction scraped by scraper plate, slide plate is up, this stopping compression button being connected, then above-mentioned everything quits work immediately.
The utility model compared with prior art, beneficial effect is: dual signal source electric-control system of the present utility model, use pressure signal and position sensor signal as control signal source simultaneously, scraper plate and slide plate cycle event are controlled, in the controlling using the signal of position transduser as main signal, pressure signal controls as subsidiary signal, when wherein a kind of signal source lost efficacy, scraper plate and slide plate still can normally work, thus add control system reliability of operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the dual signal source electric-control system that the utility model embodiment provides.
Fig. 2 is after the automatic Compression button of Fig. 1 is connected, the control flow chart of dual signal source electric-control system.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of dual signal source electric-control system provided by the utility model, it comprises automatic Compression button 1, stops compression button 2, pressure relay 3, scraper plate open switch 4, combination switch 6 scraped by slide plate downing switch 5, scraper plate, slide plate upstream switch 7, control module 8, scraper plate open change-over valve 9, the descending change-over valve of slide plate 10, scraper plate are scraped and closed change-over valve 11, the up change-over valve 12 of slide plate.In the present embodiment, scraper plate opens switch 4, slide plate downing switch 5, combination switch 6 scraped by scraper plate, slide plate upstream switch 7 is position transduser, scraper plate opens change-over valve 9, the descending change-over valve of slide plate 10, scraper plate scrape close change-over valve 11, the up change-over valve 12 of slide plate is hydraulic valve.
Automatic Compression button 1, stopping compression button 2 are all connected with control module 8 and upper dress power electric.Pressure relay 3 is connected with control module 8 and upper dress power electric.One end that scraper plate opens switch 4 is electrically connected with control module 8, and the other end is connected with upper dress power electric.One end of slide plate downing switch 5 is electrically connected with control module, and the other end is connected with upper dress power electric.One end that combination switch 6 scraped by scraper plate is electrically connected with control module, and the other end is connected with upper dress power electric.One end of slide plate upstream switch 7 is electrically connected with control module, and the other end is connected with upper dress power electric.One end that scraper plate opens change-over valve 9 is electrically connected with control module 8, and the other end is connected with upper dress power electric.One end of the descending change-over valve 10 of slide plate is electrically connected with control module 8, and the other end is connected with upper dress power electric.Scraper plate is scraped the one end of closing change-over valve 11 and is electrically connected with control module 8, and the other end is connected with upper dress power electric.One end of the up change-over valve 12 of slide plate is electrically connected with control module 8, and the other end is connected with upper dress power electric.Control module 8 is connected with upper dress power electric.
As shown in Figure 2, the control method of dual signal source electric-control system comprises the steps:
After automatic Compression button 1 is connected, control module 8 sends scraper plate and opens instruction, and scraper plate opens change-over valve 9 and connects, and scraper plate opens, and simultaneously whether control module 8 detects scraper plate and open switch 4 and connect;
Connect if scraper plate opens switch 4, control module 8 stops scraper plate opening instruction and send slide plate downlink command immediately;
If scraper plate opens switch 4 access failure, more whether detected pressures relay 3 is connected;
If pressure relay 3 is connected, control module 8 stops scraper plate opening instruction and send slide plate downlink command equally immediately;
After control module 8 sends slide plate downlink command, the descending change-over valve 10 of slide plate is connected, and slide plate is descending, and simultaneously whether control module 8 detects slide plate downing switch 5 and connect;
If slide plate downing switch 5 is connected, control module 8 stops slide plate downlink command and sends scraper plate scraping conjunction instruction immediately;
If slide plate downing switch 5 access failure, more whether detected pressures relay 3 is connected;
If pressure relay 3 is connected, control module 8 stops slide plate downlink command and sends scraper plate scraping conjunction instruction equally immediately;
Control module 8 sends scraper plate and scrapes and close after instruction, and scraper plate is scraped and closed change-over valve 11 and connect, and conjunction scraped by scraper plate, and whether control module 8 detects scraper plate and scrape combination switch 6 and connect simultaneously;
If scraper plate is scraped combination switch 6 and connected, control module 8 stops scraper plate scraping conjunction instruction and send slide plate up-on command immediately;
If combination switch 6 access failure scraped by scraper plate, then detect this pressure relay 3 and whether connect;
If pressure relay 3 is connected, control module 8 stops scraper plate scraping conjunction instruction and send slide plate up-on command equally immediately;
If slide plate upstream switch 7 is connected, control module 8 stops slide plate up-on command and sends scraper plate opening instruction immediately;
If slide plate upstream switch 7 access failure, then detect this pressure relay 3 and whether connect;
If pressure relay 3 is connected, control module 8 stops slide plate up-on command and sends scraper plate opening instruction equally immediately.
The like, continue periodical duty.
If in arbitrary process that scraper plate opens, slide plate is descending, conjunction scraped by scraper plate, slide plate is up, stop compression button 2 to connect, then above-mentioned everything quits work immediately.
Compared with prior art, dual signal source electric-control system of the present utility model, pressure relay is used for pressure sensor signal, and scraper plate opens switch, combination switch scraped by slide plate downing switch, scraper plate and slide plate upstream switch for sensed position signal.Owing to using pressure signal and position sensor signal as control signal source simultaneously, scraper plate and slide plate cycle event are controlled, in the controlling using the signal of position transduser as main signal, pressure signal controls as subsidiary signal, when wherein a kind of signal source lost efficacy, scraper plate and slide plate still can normally work, thus add control system reliability of operation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a dual signal source electric-control system, it comprises automatic Compression button, stops compression button, it is characterized in that, this dual signal source electric-control system also comprises pressure relay, scraper plate opens switch, combination switch scraped by slide plate downing switch, scraper plate, slide plate upstream switch, control module, scraper plate open change-over valve, the descending change-over valve of slide plate, scraper plate scrape and close change-over valve and the up change-over valve of slide plate; This automatic Compression button, stopping compression button and this control module are connected with upper dress power electric; This pressure relay is connected with this control module and upper dress power electric; One end that this scraper plate opens switch is electrically connected with control module, the other end is connected with upper dress power electric, one end of this slide plate downing switch is electrically connected with control module, the other end is connected with upper dress power electric, one end that combination switch scraped by this scraper plate is electrically connected with control module, the other end is connected with upper dress power electric, one end of this slide plate upstream switch is electrically connected with control module, the other end is connected with upper dress power electric, one end that this scraper plate opens change-over valve is electrically connected with this control module, and the other end is connected with upper dress power electric; One end of the descending change-over valve of this slide plate is electrically connected with this control module, and the other end is connected with upper dress power electric; This scraper plate is scraped the one end of closing change-over valve and is electrically connected with this control module, and the other end is connected with upper dress power electric; One end of the up change-over valve of this slide plate is electrically connected with this control module, and the other end is connected with upper dress power electric; This control module is connected with upper dress power electric simultaneously; This scraper plate opens switch, this slide plate downing switch, combination switch scraped by this scraper plate and this slide plate upstream switch is position transduser.
2. dual signal source electric-control system as claimed in claim 1, is characterized in that, this scraper plate opens change-over valve, the descending change-over valve of this slide plate, conjunction change-over valve scraped by this scraper plate and the up change-over valve of this slide plate is hydraulic valve.
3. dual signal source electric-control system as claimed in claim 1, is characterized in that:
After this automatic Compression button is connected, this control module sends scraper plate and opens instruction, and this scraper plate opens change-over valve and connects, and this scraper plate opens, and whether the scraper plate of this control module detection simultaneously opens switch and connect;
If this scraper plate opens switch connection, this control module stops scraper plate opening instruction immediately and sends slide plate downlink command;
If this scraper plate opens switch access failure, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops scraper plate opening instruction and send slide plate downlink command equally immediately;
After this control module sends slide plate downlink command, the descending change-over valve of this slide plate is connected, and this slide plate is descending, and whether this control module detects this slide plate downing switch and connect simultaneously;
If this slide plate downing switch is connected, this control module stops slide plate downlink command and sends scraper plate scraping conjunction instruction immediately;
If this slide plate downing switch access failure, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops slide plate downlink command and sends scraper plate scraping conjunction instruction equally immediately;
This control module sends scraper plate and scrapes and close after instruction, and this scraper plate is scraped and closed change-over valve and connect, and conjunction scraped by this scraper plate, and whether this control module detects this scraper plate and scrape combination switch and connect simultaneously;
Connect if combination switch scraped by this scraper plate, this control module stops scraper plate scraping conjunction instruction and send slide plate up-on command immediately;
If combination switch access failure scraped by this scraper plate, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops scraper plate scraping conjunction instruction and send slide plate up-on command equally immediately;
If this slide plate upstream switch is connected, this control module stops slide plate up-on command and sends scraper plate opening instruction immediately;
If this slide plate upstream switch access failure, then detect this pressure relay and whether connect;
If this pressure relay is connected, this control module stops slide plate up-on command and sends scraper plate opening instruction equally immediately;
The like, continue periodical duty;
If in arbitrary process that this scraper plate opens, slide plate is descending, conjunction scraped by scraper plate, slide plate is up, this stopping compression button being connected, then above-mentioned everything quits work immediately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859003.6U CN204507892U (en) | 2014-12-30 | 2014-12-30 | A kind of dual signal source electric-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859003.6U CN204507892U (en) | 2014-12-30 | 2014-12-30 | A kind of dual signal source electric-control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204507892U true CN204507892U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420859003.6U Expired - Fee Related CN204507892U (en) | 2014-12-30 | 2014-12-30 | A kind of dual signal source electric-control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204507892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502089A (en) * | 2016-12-27 | 2017-03-15 | 河南森源重工有限公司 | A kind of redundancy control method of compression type garbage truck loading process |
| CN107725514A (en) * | 2017-10-27 | 2018-02-23 | 深圳东风汽车有限公司 | Induction mechanism, telecontrol equipment and kinematic system |
-
2014
- 2014-12-30 CN CN201420859003.6U patent/CN204507892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502089A (en) * | 2016-12-27 | 2017-03-15 | 河南森源重工有限公司 | A kind of redundancy control method of compression type garbage truck loading process |
| CN107725514A (en) * | 2017-10-27 | 2018-02-23 | 深圳东风汽车有限公司 | Induction mechanism, telecontrol equipment and kinematic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20211230 |