CN109693377A - A kind of 3D printer emergency stop circuit - Google Patents
A kind of 3D printer emergency stop circuit Download PDFInfo
- Publication number
- CN109693377A CN109693377A CN201710987851.3A CN201710987851A CN109693377A CN 109693377 A CN109693377 A CN 109693377A CN 201710987851 A CN201710987851 A CN 201710987851A CN 109693377 A CN109693377 A CN 109693377A
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- Prior art keywords
- emergency stop
- circuit
- printer
- control
- switch
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- 230000005611 electricity Effects 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000006870 function Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of 3D printer emergency stop circuits comprising power unit, control circuit, driving circuit, emergency stop switch and controlled switching element.Wherein power unit is directly connected with the power input of control circuit；Power unit is connected by the switch terminals of controlled switching element with the power input of driving circuit；Both the emergency stop control terminal of control circuit and emergency stop switch are logical "and" to the control logic relationship of drive circuitry.The power supply mode of driving circuit is designed as controlled power supply by the present invention, the emergency stop control terminal of emergency stop switch and control circuit realizes the manual emergency stop and automatic emergency stop to 3D printer respectively, as long as one of them has shutdown movement, drive circuitry is cut off, and the present invention realizes the manual emergency stop and automatic emergency stop function of 3D printer with simple and reliable circuit structure.
Description
Technical field
The present invention relates to a kind of safety devices of 3D printer, and in particular to a kind of emergency stop circuit for 3D printer.
Background technique
3D printer belongs to a kind of automation equipment for increasing material manufacturing, and it includes motion control, computer heating control etc., portions
Dividing the 3D printer of forming principle also it is high, control complexity to belong to a kind of integrated level comprising laser control, Liquid level etc.
Electromechanical equipment.The 3D printer one-pass molding time generally can all last for hours even time a couple of days simultaneously, in the big portion of printing
The state kept is held between timesharing all in nobody, once it is out of control equipment occur, especially uncontrolled movements and heat it is out of control, may
Cause serious security risk.It is light then damage printer unit, weight then causes the major accidents such as fire, therefore emergency stop especially from
Dynamic sudden-stop function is extremely important to 3D printing equipment.
Currently on the market most of 3D printers and do not have emergency stop switch, cannot achieve manual emergency stop, especially using
It is more universal on the 3D printer of FDM principle.A small number of 3D printers with abnormity protection function, exception are protected in the market simultaneously
Protective function also turns off to realize abnormal protection simply by its driving element of software control, and not completely cuts through driving circuit
Power supply, this mode can not play a protective role extremely to caused by driving circuit failure.
Summary of the invention
For overcome the deficiencies in the prior art, the invention proposes a kind of 3D printer emergency stop circuits.It has hand simultaneously
Dynamic emergency stop and automatic emergency stop function, automatic emergency stop function can automatically cut off driving electricity when control circuit detects unit exception
Road power supply, it is ensured that system holds punctual operational safety at nobody.Software can also close drive circuitry in the non-print time,
Reduce system power dissipation.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of 3D printer emergency stop circuit, including power unit, control circuit, driving circuit, emergency stop switch and controlled switch
Element, which is characterized in that power unit is directly connected with the power input of control circuit；Power unit passes through controlled switch member
The switch terminals of part are connected with the power input of driving circuit；Both the emergency stop control terminal of control circuit and emergency stop switch are to driving
The control logic relationship of circuit power supply is logical "and", as long as that is, one of them has shutdown movement, drive circuitry is closed
Disconnected, only after both releasing shutdown, drive circuitry just be can turn on.It realizes that the mode of the logical relation is more, can incite somebody to action
Two control terminals are designed as cascaded structure and control the same controlled switch；Two controlled switch, each control terminal point can be used
Not Kong Zhi a controlled switch, be cascaded structure between two controlled switch；Two triode cooperation pull-up electricity can also be passed through
Resistance composition line and structure, or directly realized using logic gates.It can be realized the particular circuit configurations of this logical relation
Very much, as long as meeting above-mentioned logical relation, present invention purpose to be achieved can be realized.
Preferably, the emergency stop control terminal of the control circuit, emergency stop switch are to connect with the control terminal of controlled switching element
Connection.Power unit is powered by controlled switching element to driving circuit section, realizes two control terminals to drive circuitry
Logical "and" control planning.
Preferably, the emergency stop control terminal of the control circuit and emergency stop switch also can be controlled separately a controlled switch member
Part is connected in series between two suspension control switch elements.Power unit passes through the series connection knot of two controlled switching elements
Structure is powered to driving circuit section, realizes two control terminals to the logical "and" control planning of drive circuitry.
Preferably, the controlled switching element is one of contactor, electromagnetic relay, solid-state relay.
Preferably, the controlled switching element can also be to be taken by the elements such as silicon-controlled, triode, MOSFET, IGBT
The controllable switch circuit module built, so that the integrated level of system is higher.
Preferably, the power unit output is one of single-phase alternating current, three-phase alternating current, direct current.Different
Under application, need to select matching controlled switching element or module.
Compared with prior art, the present invention the present invention in such a way that control circuit separates power supply with driving circuit, realizes
The controlled power supply of driving circuit section.As long as one of them has shutdown movement to the emergency stop control terminal of emergency stop switch and control circuit,
The power supply of driving circuit is turned off, and realizes the manual emergency stop and automatic emergency stop function of 3D printer.This circuit structure is simple,
Substantially increase the reliability of emergency stop.Control circuit can also cut off drive circuitry in the non-working time of printer,
System standby power consumption is reduced, while improving system in the safety of standby mode.
Detailed description of the invention
Fig. 1 is the electrical block diagram of 3D printer power supply circuit construction embodiment 1 of the present invention.
Fig. 2 is the electrical block diagram of 3D printer power supply circuit construction embodiment 2 of the present invention.
Fig. 3 is the electrical block diagram of 3D printer power supply circuit construction embodiment 3 of the present invention.
Specific embodiment
In the following, 3D printer emergency stop circuit of the invention is described further in conjunction with attached drawing and specific embodiment,
In order to clearer understanding present invention technical idea claimed.
Embodiment 1:
As shown in Figure 1, a kind of 3D printer emergency stop circuit, including power unit 11, control circuit 12, driving circuit 13, emergency stop
Switch SB1 and contactor KM1.Wherein control circuit 12 is connected directly with power unit 11, and driving circuit 13 passes through contactor
The switch terminals of KM1 are connected with power unit 11, the emergency stop control terminal and contactor KM1 of emergency stop switch SB1 and control circuit 12
Control terminal is connected in series.
The working principle of emergency stop circuit is in this embodiment, and system uses single-phase 220V alternating current, and power unit 11 is whole
A system provides power supply；Control circuit 12 is directly powered by power unit 11, power unit 11 work after control circuit 12 to obtain the final product
It starts to work to power supply；Driving circuit 13 realizes controlled power supply by contactor KM1 by power unit 11, due to contactor KM1
The emergency stop control terminal and emergency stop switch SB1 of control terminal and control circuit 12 be connected in series, as long as therefore control circuit 12 urgency
Stopping one of control terminal and emergency stop switch SB1 has shutdown movement, and contactor KM1 is just disconnected immediately, the power supply of driving circuit 13
It is cut off immediately.To realize the manual emergency stop and automatic emergency stop function of 3D printer simultaneously.
Embodiment 2:
As shown in Fig. 2, a kind of 3D printer emergency stop circuit, including power unit 21, control circuit 22, driving circuit 23, emergency stop
Switch SB2 and electromagnetic relay K1 and K2.Wherein control circuit 22 is connected directly with power unit 21, and driving circuit 23 passes through
Electromagnetic relay K1 and K2 is connected with power unit 21, and electromagnetic relay K1 and K2 are to be connected in series, emergency stop switch SB2 connection K1
Control terminal, control circuit 22 emergency stop control terminal connection K2 control terminal.
The working principle of emergency stop circuit is in this embodiment, and system uses 24V direct current, and power unit 21 is whole system
Power supply；Control circuit 22 is directly powered by power unit 21；Driving circuit 23 by power unit 21 by electromagnetic relay K1 and
The cascaded structure of K2 is powered；Electromagnetic relay K1 and K2 are controlled by the emergency stop of emergency stop switch SB2 and control circuit 22 respectively
End control.Since electromagnetic relay K1 and K2 are to be connected in series, when the emergency stop control terminal of emergency stop switch SB2 or control circuit 22 has
Shutdown movement, electromagnetic relay K1 or K2 are disconnected, because electromagnetic relay K1, K2 and driving circuit 23 are cascaded structure,
As long as the power supply of driving circuit 23 is cut off immediately after therefore one of relay disconnects.To realize 3D printer simultaneously
Manually and automatically sudden-stop function.
Embodiment 3:
As shown in figure 3, a kind of 3D printer emergency stop circuit, including power unit 31, control circuit 32, driving circuit 33, emergency stop
Switch SB3 and N-channel MOS FET Q1 and its pull down resistor R1.Wherein control circuit 32 is connected directly with power unit 31, is driven
Dynamic circuit 33 is connected by MOSFET with power unit 31, emergency stop switch SB3, control circuit 32 emergency stop control terminal and
The gate series of MOSFET connect, and pull down resistor R1 is connected between the grid of MOSFET and GND.
The working principle of emergency stop circuit is in this embodiment, and system uses 24V direct current, and power unit 31 is whole system
Power supply；Control circuit 32 is directly powered by power unit 31；Driving circuit 33 is carried out by power unit 31 by MOSFET controlled
Power supply.When the emergency stop control terminal of control circuit 32 exports high level or SB3 in an off state, the grid of MOSFET Q1
Since the effect of pull down resistor R1 keeps its grid voltage 0V, MOSFET Q1 in an off state, the current supply circuit of driving circuit at this time
It is cut off.Only when the emergency stop control terminal of control circuit 32 exports high level, and SB3 is in the conductive state, the grid of MOSFET Q1
Pole could obtain grid voltage, and MOSFET Q1 enters on state, and the power supply of driving circuit 33 is switched on.It can be seen that control circuit 32
Emergency stop control terminal and the control logic relationship of emergency stop switch SB3 be logical "and", this circuit structure realizes 3D printing simultaneously
The manually and automatically sudden-stop function of machine.
Control switch element is contactor, electromagnetic relay and MOSFET respectively in the above three embodiments, according to
Different use occasions can choose contactor, electromagnetic relay, solid-state and post electric appliance or be taken by silicon-controlled, transistor etc.
The controllable switch circuit module built is as controlled switching element.By selecting different controlled switching element, emergency stop circuit can be with
It is applicable in the various power supply modes such as three-phase alternating current, single-phase alternating current and direct current.
For those skilled in the art, it can make other each according to the above description of the technical scheme and ideas
Kind is corresponding to be changed and deforms, and all these change and deform the protection model that all should belong to the claims in the present invention
Within enclosing.
Claims (6)
1. a kind of 3D printer emergency stop circuit, including power unit, control circuit, driving circuit, emergency stop switch and controlled open
Close element, which is characterized in that power unit is directly connected with the power input of control circuit；Power unit passes through controlled switch
The switch terminals of element are connected with the power input of driving circuit；Both the emergency stop control terminal of control circuit and emergency stop switch are to drive
The control logic relationship of dynamic circuit power supply is logical "and".
2. 3D printer emergency stop circuit according to claim 1, which is characterized in that the emergency stop of the control circuit controls
The control terminal at end, emergency stop switch and controlled switching element is to be connected in series.
3. 3D printer emergency stop circuit according to claim 1, which is characterized in that the emergency stop control terminal of the control circuit
It is separately connected the control terminal of a controlled switching element with emergency stop switch, is series connection between the switch terminals of two controlled switching elements
Connection.
4. 3D printer emergency stop circuit according to claim 1, which is characterized in that the controlled switching element is contact
One of device, electromagnetic relay, solid-state relay.
5. 3D printer emergency stop circuit according to claim 1, which is characterized in that the controlled switching element is by can
The controllable switch circuit module that the elements such as control silicon, triode, MOSFET, IGBT are built.
6. 3D printer emergency stop circuit according to claim 1, which is characterized in that the power unit output is blow-up
One of galvanic electricity, three-phase alternating current, direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987851.3A CN109693377A (en) | 2017-10-21 | 2017-10-21 | A kind of 3D printer emergency stop circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987851.3A CN109693377A (en) | 2017-10-21 | 2017-10-21 | A kind of 3D printer emergency stop circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109693377A true CN109693377A (en) | 2019-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710987851.3A Withdrawn CN109693377A (en) | 2017-10-21 | 2017-10-21 | A kind of 3D printer emergency stop circuit |
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| Country | Link |
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| CN (1) | CN109693377A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286722A (en) * | 2007-04-09 | 2008-10-15 | 咸日常 | Step control device and control method for antiskid crosspiece of loaded pressure regulating switch of transformer |
| CN201242674Y (en) * | 2008-08-18 | 2009-05-20 | 中国船舶重工集团公司第七一三研究所 | Remote operation controller |
| CN102566413A (en) * | 2010-09-22 | 2012-07-11 | 施奈德电气自动控制有限责任公司 | Emergency stop module assembly |
| CN103606257A (en) * | 2013-12-04 | 2014-02-26 | 韶山恒旺电气有限公司 | Wireless sudden stop control circuit |
| CN104300954A (en) * | 2014-09-30 | 2015-01-21 | 苏州天准精密技术有限公司 | Emergency stop circuit, packaging body and emergency stop circuit device based on double MOS transistors |
| CN204304513U (en) * | 2014-12-05 | 2015-04-29 | 昆明五威科工贸有限公司 | Electric energy o controller, power output device, electric device and underwater propeller |
| CN205485569U (en) * | 2016-02-01 | 2016-08-17 | 郑州琦升机械设备有限公司 | Scriber delayed power failure device |
| CN206075116U (en) * | 2016-08-29 | 2017-04-05 | 湖南晓光汽车模具有限公司 | Lathe jerk control circuit and lathe |
| CN206283291U (en) * | 2016-12-26 | 2017-06-27 | 周口师范学院 | A kind of novel electric vehicle direct-current charging post control system |
| CN207465888U (en) * | 2017-10-21 | 2018-06-08 | 严铜 | A kind of 3D printer emergency stop circuit |
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2017
- 2017-10-21 CN CN201710987851.3A patent/CN109693377A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286722A (en) * | 2007-04-09 | 2008-10-15 | 咸日常 | Step control device and control method for antiskid crosspiece of loaded pressure regulating switch of transformer |
| CN201242674Y (en) * | 2008-08-18 | 2009-05-20 | 中国船舶重工集团公司第七一三研究所 | Remote operation controller |
| CN102566413A (en) * | 2010-09-22 | 2012-07-11 | 施奈德电气自动控制有限责任公司 | Emergency stop module assembly |
| CN103606257A (en) * | 2013-12-04 | 2014-02-26 | 韶山恒旺电气有限公司 | Wireless sudden stop control circuit |
| CN104300954A (en) * | 2014-09-30 | 2015-01-21 | 苏州天准精密技术有限公司 | Emergency stop circuit, packaging body and emergency stop circuit device based on double MOS transistors |
| CN204304513U (en) * | 2014-12-05 | 2015-04-29 | 昆明五威科工贸有限公司 | Electric energy o controller, power output device, electric device and underwater propeller |
| CN205485569U (en) * | 2016-02-01 | 2016-08-17 | 郑州琦升机械设备有限公司 | Scriber delayed power failure device |
| CN206075116U (en) * | 2016-08-29 | 2017-04-05 | 湖南晓光汽车模具有限公司 | Lathe jerk control circuit and lathe |
| CN206283291U (en) * | 2016-12-26 | 2017-06-27 | 周口师范学院 | A kind of novel electric vehicle direct-current charging post control system |
| CN207465888U (en) * | 2017-10-21 | 2018-06-08 | 严铜 | A kind of 3D printer emergency stop circuit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190430 |