CN106873424B - Portable brush cutter analogue test platform controlling means - Google Patents
Portable brush cutter analogue test platform controlling means Download PDFInfo
- Publication number
- CN106873424B CN106873424B CN201710287690.7A CN201710287690A CN106873424B CN 106873424 B CN106873424 B CN 106873424B CN 201710287690 A CN201710287690 A CN 201710287690A CN 106873424 B CN106873424 B CN 106873424B
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- relay
- control circuit
- converter
- brush cutter
- simulation test
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
The invention relates to a portable brush cutter simulation test stand control device, which comprises: 220V AC-to-24V DC converter and parallel linear brake branch, first control circuit, second control circuit, third control circuit and fourth control circuit, the first control circuit includes serial travel switch ST A Relay K 1 The method comprises the steps of carrying out a first treatment on the surface of the The second control circuit comprises a travel switch ST connected in series B Relay K 2 The method comprises the steps of carrying out a first treatment on the surface of the The third control circuit comprises a button switch SB connected in series 3 And a double delay time relay KT; the fourth control circuit comprises a relay K 3 And K 4 The linear brake branch comprises a linear brake M, one end of the linear brake M is connected with a relay K in series 3 Is a normally open contact K of (2) 3 ‑O 1 Relay K 2 Normally closed contact K of (2) 2 C is connected with the positive output end of the direct current converter, and the other end of the direct current converter passes through the relay K 3 Is a normally open contact K of (2) 3 ‑O 2 And the negative electrode output end of the direct current converter is connected. According to the technical scheme, the manual participation process in the performance detection and identification work of the portable brush cutter can be reduced.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a portable brush cutter simulation test bed control device.
Background
The portable brush cutter is widely applied to the fields of fruit forest pruning, landscaping, garden maintenance, forest fire prevention, crop harvesting and the like. Because the brush cutter has very good market prospect, according to the requirements of national standards about the technical conditions and test methods of the brush cutter, the quality performance of the brush cutter needs to be detected, identified and the like, but a great deal of repeated manual labor is required to be input, the design of a portable brush cutter simulation test bed control device capable of scientifically completing the performance detection and identification work tasks of the portable brush cutter is urgent.
Disclosure of Invention
In view of the above, the invention aims to overcome the defects of the prior art, and provides a portable brush cutter simulation test stand control device which reduces the manual participation process in the performance detection and identification work of the portable brush cutter.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a portable brush cutter simulation test bench controlling means, includes portable brush cutter simulation test bench control circuit, portable brush cutter simulation test bench control circuit includes: 220V AC-to-24V DC converter, and a linear brake branch, a first control circuit, a second control circuit, a third control circuit and a fourth control circuit which are connected in parallel with the output end of the 220V AC-to-24V DC converter,
wherein the first control circuit comprises a travel switch ST connected in series A Relay K 1 The method comprises the steps of carrying out a first treatment on the surface of the The second control circuit comprises a travel switch ST connected in series B Relay K 2 The method comprises the steps of carrying out a first treatment on the surface of the The third control circuit comprises a button switch SB connected in series 3 And a double delay time relay KT;
the fourth control circuit comprises a relay K 3 And K 4 Wherein, relay K 3 Normally open contact KT passing through double delay time relay KT at one end O The positive electrode output end of the 220V AC-to-24V DC converter is connected, and the other end passes through a relay K 4 Normally closed contact K of (2) 4 -C connecting the negative output of the 220V ac to 24V dc converter; relay K 4 Normally closed contact KT of double-delay time relay KT is passed through one end of C The positive electrode output end of the 220V AC-to-24V DC converter is connected, and the other end passes through a relay K 3 Normally closed contact K of (2) 3 -C connecting the negative output of the 220V ac to 24V dc converter;
the linear brake branch comprises a linear brake M, one end of the linear brake M is connected with a relay K in series 3 Is a normally open contact K of (2) 3 -O 1 Relay K 2 Normally closed contact K of (2) 2 -C is connected to the positive output of the 220V ac to 24V dc converter, while the end of the linear brake M is connected to the positive output of the dc to dc converter via a relay K 4 Is a normally open contact K of (2) 4 -O 2 The negative electrode output end of the 220V AC-to-24V DC converter is connected; the other end of the linear brake M passes through a relay K 3 Is a normally open contact K of (2) 3 -O 2 The negative electrode output end of the 220V AC-to-24V DC converter is connected; relay K 1 Normally closed contact K of (2) 1 -C and relay K 4 Is a normally open contact K of (2) 4 -O 1 One end of the circuit after being connected in series is connected with the linear brake M and the relay K 3 Is a normally open contact K of (2) 3 -O 2 The other end is connected with the positive output end of the 220V AC-to-24V DC converter.
Preferably, the portable brush cutter simulation test stand control device further comprises a button switch SB 1 The button switch SB 1 The positive electrode output end of the 220V AC-24V DC converter is arranged.
Preferably, the portable brush cutter simulation test bed control device further comprises a fuse FU, wherein the linear brake branch, the first control circuit, the second control circuit, the third control circuit and the fourth control circuit are connected in parallel with the output end of the 220V AC-24V DC converter through the fuse FU.
Preferably, the fuse FU is disposed at the positive output of the 220V ac to 24V dc converter.
Preferably, the portable brush cutter simulation test stand control device further comprises a button switch SB 2 The button switch SB 2 Connected in series with the linear brake branch.
Preferably, the push-button switch SB 2 Is connected with the fuse FU at one end and is respectively connected with a relay K at the other end 2 Normally closed contact K of (2) 2 -C and relay K 1 Normally closed contact K of (2) 1 -C-connection.
Preferably, the portable brush cutter simulation test stand control device further comprises a shell, and the button switch SB 1 、SB 2 And SB (SB) 3 Is arranged on the shell.
Preferably, the portable brush cutter simulation test stand control device further comprises working state indicator lamps HL connected in parallel with two ends of the linear brake M G 。
Preferably, the operating status indicator lamp HL G Is a green LED lamp.
Preferably, the 220V ac-to-24V dc converter includes an ac coil and a dc coil disposed opposite to each other, wherein an inductor is disposed between the ac coil and the dc coil.
The invention adopts the technical proposal and has at least the following beneficial effects:
according to the technical scheme, the portable brush cutter simulation test stand control device provided by the invention has the advantages that after the control circuit of the portable brush cutter simulation test stand is connected with the switching power supply, the normally-closed contact KT of the double-delay time relay KT C Starting timing, recorded as t1, and at this time, the relay K 4 On, normally open contact K 4 -O 1 And K 4 -O 2 Closing, forward transmission of the linear actuator motor, return of the linear actuator push rod to the travel switch ST A Position, travel switch ST A Switch on, relay K 1 Normally closed contact K on positive transmission circuit of linear actuator motor 1 The motor stops rotating when the motor is disconnected, and when the time t1 is over, the normally open contact KT of the double-delay time relay KT O Sucking, setting the sucking time as t2, and at this time, normally-closed contact KT C Open, relay K 4 Open, relay K 3 Normally open contact K on the reversing circuit of a linear actuator motor 3 -O 1 And K 3 -O 2 Closing, turning on the motor reverse loop, and discharging the linear actuator push rod to the travel switch ST B Position, travel switch ST B Switch on, relay K 2 Normally closed contact K on the reversing circuit of the linear actuator motor 2 The motor stops rotating after disconnection, and the contact KT is delayed after the suction time t2 O Disconnection, KT C And closing and reciprocally cycling. The actuating element of the portable brush cutter simulation test bed control circuit provided by the invention is a linear actuator, the push rod of the linear actuator extends to a certain position (out-of-range) to control the button switch of the brush cutter handle, the stopping time can be set according to test requirements, the push rod of the linear actuator returns, the button switch of the brush cutter handle is restored to a natural state, and the brush cutter is in an idle state.
The portable brush cutter simulation test bed control device is designed based on two working condition tests, namely a full load test and a no-load test, can effectively solve the difficult problems of long-time interval load and idle reciprocating motion of the brush cutter in a performance test and detection test, and improves the accuracy and efficiency of the performance test and identification of the brush cutter. The circuit can meet the test condition requirement very conveniently, scientifically solves the work tasks of performance detection and identification of the portable brush cutter, saves a large amount of labor cost and brings convenience to enterprises. Meanwhile, the portable brush cutter simulation test bed control device solves the bottleneck that pneumatic control cannot be realized due to the fact that a certain detection laboratory lacks an air source, and saves cost.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic circuit diagram of a portable brush cutter simulation test stand control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Referring to fig. 1, an embodiment of the present invention provides a portable brush cutter simulation test stand control device, including a portable brush cutter simulation test stand control circuit, the portable brush cutter simulation test stand control circuit includes: 220V AC-to-24V DC converter, and a linear brake branch, a first control circuit, a second control circuit, a third control circuit and a fourth control circuit which are connected in parallel with the output end of the 220V AC-to-24V DC converter,
wherein the first control circuit comprises a travel switch ST connected in series A Relay K 1 The method comprises the steps of carrying out a first treatment on the surface of the The second control circuit comprises a travel switch ST connected in series B Relay K 2 The method comprises the steps of carrying out a first treatment on the surface of the The third control circuit comprises a button switch SB connected in series 3 And a double delay time relay KT;
the fourth control circuit comprises a relay K 3 And K 4 Wherein, relay K 3 Normally open contact KT passing through double delay time relay KT at one end O The positive electrode output end of the 220V AC-to-24V DC converter is connected, and the other end passes through a relay K 4 Normally closed contact K of (2) 4 -C connecting the negative output of the 220V ac to 24V dc converter; relay K 4 Normally closed contact KT of double-delay time relay KT is passed through one end of C The positive electrode output end of the 220V AC-to-24V DC converter is connected, and the other end passes through a relay K 3 Normally closed contact K of (2) 3 -C connecting the negative output of the 220V ac to 24V dc converter;
the linear brake branch comprises a linear brake M, one end of the linear brake M is connected with a relay K in series 3 Is a normally open contact K of (2) 3 -O 1 Relay K 2 Normally closed contact K of (2) 2 -C is connected to the positive output of the 220V ac to 24V dc converter, while the end of the linear brake M is connected to the positive output of the dc to dc converter via a relay K 4 Is a normally open contact K of (2) 4 -O 2 The negative electrode output end of the 220V AC-to-24V DC converter is connected; the other end of the linear brake M passes through a relay K 3 Is a normally open contact K of (2) 3 -O 2 The negative electrode output end of the 220V AC-to-24V DC converter is connected; relay K 1 Normally closed contact K of (2) 1 -C and relay K 4 Is a normally open contact K of (2) 4 -O 1 One end of the circuit after being connected in series is connected with the linear brake M and the relay K 3 Is a normally open contact K of (2) 3 -O 2 The other end is connected with the positive output end of the 220V AC-to-24V DC converter.
According to the technical scheme, the portable brush cutter simulation test stand control device provided by the invention has the advantages that after the control circuit of the portable brush cutter simulation test stand is connected with the switching power supply, the normally-closed contact KT of the double-delay time relay KT C Starting timing, recorded as t1, and at this time, the relay K 4 On, normally open contact K 4 -O 1 And K 4 -O 2 Closing, forward transmission of the linear actuator motor, return of the linear actuator push rod to the travel switch ST A Position, travel switch ST A Switch on, relay K 1 Normally closed contact K on positive transmission circuit of linear actuator motor 1 The motor stops rotating when the motor is disconnected, and when the time t1 is over, the normally open contact KT of the double-delay time relay KT O Sucking, setting the sucking time as t2, and at this time, normally-closed contact KT C Open, relay K 4 Open, relay K 3 Normally open contact K on the reversing circuit of a linear actuator motor 3 -O 1 And K 3 -O 2 Closing, turning on the motor reverse loop, and discharging the linear actuator push rod to the travel switch ST B Position, travel switch ST B Switch on, relay K 2 Normally closed contact K on the reversing circuit of the linear actuator motor 2 The motor stops rotating after disconnection, and the contact KT is delayed after the suction time t2 O Disconnection, KT C And closing and reciprocally cycling. The actuating element of the portable brush cutter simulation test bed control circuit provided by the invention is a linear actuator, the push rod of the linear actuator extends to a certain position (out-of-range) to control the button switch of the brush cutter handle, the stopping time can be set according to test requirements, the push rod of the linear actuator returns, the button switch of the brush cutter handle is restored to a natural state, and the brush cutter is in an idle state.
The portable brush cutter simulation test bed control device is designed based on two working condition tests, namely a full load test and a no-load test, can effectively solve the difficult problems of long-time interval load and idle reciprocating motion of the brush cutter in a performance test and detection test, and improves the accuracy and efficiency of the performance test and identification of the brush cutter. The circuit can meet the test condition requirement very conveniently, scientifically solves the work tasks of performance detection and identification of the portable brush cutter, saves a large amount of labor cost and brings convenience to enterprises. Meanwhile, the portable brush cutter simulation test bed control device solves the bottleneck that pneumatic control cannot be realized due to the fact that a certain detection laboratory lacks an air source, and saves cost.
Preferably, the portable brush cutter simulation test stand control device further comprises a button switch SB 1 The button switch SB 1 The positive electrode output end of the 220V AC-24V DC converter is arranged.
Preferably, the portable brush cutter simulation test bed control device further comprises a fuse FU, wherein the linear brake branch, the first control circuit, the second control circuit, the third control circuit and the fourth control circuit are connected in parallel with the output end of the 220V AC-24V DC converter through the fuse FU.
Preferably, the fuse FU is disposed at the positive output of the 220V ac to 24V dc converter.
Preferably, the portable brush cutter simulation test stand control device further comprises a button switch SB 2 The button switch SB 2 Connected in series with the linear brake branch.
Preferably, the push-button switch SB 2 Is connected with the fuse FU at one end and is respectively connected with a relay K at the other end 2 Normally closed contact K of (2) 2 -C and relay K 1 Normally closed contact K of (2) 1 -C-connection.
Preferably, the portable brush cutter simulation test stand control device further comprises a shell, and the button switch SB 1 、SB 2 And SB (SB) 3 Is arranged on the shell.
Preferably, the portable brush cutter simulation test stand control device further comprises working state indicator lamps HL connected in parallel with two ends of the linear brake M G 。
Preferably, the operating status indicator lamp HL G Is a green LED lamp.
Preferably, the 220V ac-to-24V dc converter includes an ac coil and a dc coil disposed opposite to each other, wherein an inductor is disposed between the ac coil and the dc coil.
In addition, R in FIG. 1 M 、R 1 、R 2 、R 3 、R 4 、R 7 The coil resistance for each corresponding element. Specifically, R is M Is the coil equivalent resistance of the linear actuator motor, R 1 Is a relay K 1 Coil equivalent resistance R of (2) 2 Is a relay K 2 Coil equivalent resistance R of (2) 3 Is a relay K 3 Coil equivalent resistance R of (2) 4 Is a relay K 4 Coil equivalent resistance R of (2) 7 Is the coil equivalent resistance of the relay double-delay time relay KT.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" refers to two or more, unless explicitly defined otherwise.
Claims (8)
1. The utility model provides a portable brush cutter simulation test bench controlling means which characterized in that, including portable brush cutter simulation test bench control circuit, portable brush cutter simulation test bench control circuit includes: 220V AC-to-24V DC converter, and a linear brake branch, a first control circuit, a second control circuit, a third control circuit and a fourth control circuit which are connected in parallel with the output end of the 220V AC-to-24V DC converter,
the first control circuit comprises a travel switch STA and a relay K1 which are connected in series; the second control circuit comprises a travel switch STB and a relay K2 which are connected in series; the third control circuit comprises a push button switch SB3 and a double delay time relay KT which are connected in series;
the fourth control circuit comprises a relay K3 and a relay K4, wherein one end of the relay K3 is connected with the positive output end of the 220V AC-to-24V DC converter through a normally open contact KTO of a double-delay time relay KT, and the other end of the relay K3 is connected with the negative output end of the 220V AC-to-24V DC converter through a normally closed contact K4-C of the relay K4; one end of the relay K4 is connected with the positive output end of the 220V AC-to-24V DC converter through a normally closed contact KTC of the double-delay time relay KT, and the other end of the relay K4 is connected with the negative output end of the 220V AC-to-24V DC converter through a normally closed contact K3-C of the relay K3; the linear brake branch circuit comprises a linear brake M, one end of the linear brake M is connected with the positive output end of the 220V AC-to-24V DC converter through a normally open contact K3-O1 of a relay K3 and a normally closed contact K2-C of a relay K2 which are connected in series, and meanwhile, the end of the linear brake M is connected with the negative output end of the 220V AC-to-24V DC converter through a normally open contact K4-O2 of a relay K4; the other end of the linear brake M is connected with the negative electrode output end of the 220V AC-24V DC converter through a normally open contact K3-O2 of a relay K3; normally closed contacts K1-C of a relay K1 and normally open contacts K4-O1 of a relay K4 are connected in series, one end of a circuit after the series connection is connected between a linear brake M and normally open contacts K3-O2 of a relay K3, and the other end of the circuit is connected with the positive output end of a 220V AC-24V DC converter;
the portable brush cutter simulation test bed control device also comprises a button switch SB1, wherein the button switch SB1 is arranged at the positive output end of the 220V AC-24V DC converter;
the portable brush cutter simulation test bed control device also comprises working state indicator lamps HLG which are connected in parallel with the two ends of the linear brake M.
2. The portable brush cutter simulation test stand control device according to claim 1, further comprising a fuse FU, wherein the linear brake branch, the first control circuit, the second control circuit, the third control circuit and the fourth control circuit are connected in parallel with the output end of the 220V ac-to-24V dc converter through the fuse FU.
3. The portable brush cutter simulation test stand control device according to claim 2, wherein the fuse FU is arranged at the positive output end of the 220V ac-24V dc converter.
4. A portable brush cutter simulation test stand control device according to claim 3, further comprising a push button switch SB2, said push button switch SB2 being connected in series on said linear brake branch.
5. The portable brush cutter simulation test stand control device according to claim 4, wherein one end of the push button switch SB2 is connected with the fuse FU, and the other end is respectively connected with a normally-closed contact K2-C of the relay K2 and a normally-closed contact K1-C of the relay K1.
6. The portable brush cutter simulation test stand control apparatus according to claim 5, further comprising a housing, wherein the push button switches SB1, SB2, and SB3 are provided on the housing.
7. The portable brush cutter simulation test stand control device according to claim 1, wherein the operating status indicator lamp HLG is a green LED lamp.
8. The portable brush cutter simulation test stand control device according to any one of claims 1 to 7, wherein the 220V ac-to-24V dc converter comprises an ac coil and a dc coil which are arranged opposite to each other, and an inductor is arranged between the ac coil and the dc coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287690.7A CN106873424B (en) | 2017-04-27 | 2017-04-27 | Portable brush cutter analogue test platform controlling means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287690.7A CN106873424B (en) | 2017-04-27 | 2017-04-27 | Portable brush cutter analogue test platform controlling means |
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| Publication Number | Publication Date |
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| CN106873424A CN106873424A (en) | 2017-06-20 |
| CN106873424B true CN106873424B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710287690.7A Active CN106873424B (en) | 2017-04-27 | 2017-04-27 | Portable brush cutter analogue test platform controlling means |
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Families Citing this family (1)
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| CN112512157B (en) * | 2020-12-09 | 2023-01-24 | 深南电路股份有限公司 | UV lamp control circuit and coating line body inspection equipment |
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| CN106873424A (en) | 2017-06-20 |
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