CN201397376Y - Switch contact fusion welding and electric service life test control device - Google Patents
Switch contact fusion welding and electric service life test control device Download PDFInfo
- Publication number
- CN201397376Y CN201397376Y CN2009201553177U CN200920155317U CN201397376Y CN 201397376 Y CN201397376 Y CN 201397376Y CN 2009201553177 U CN2009201553177 U CN 2009201553177U CN 200920155317 U CN200920155317 U CN 200920155317U CN 201397376 Y CN201397376 Y CN 201397376Y
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- CN
- China
- Prior art keywords
- control device
- switch contact
- melting welding
- electric life
- measure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A switch contact fusion welding and electric service life test control device comprises a master control loop (10), a programmable controller PLC, a fusion welding test/power shortage protection module (N). The anode output U[+] of a switch power supply (11) of the master control loop (10) is sequentially connected with a test loop, an impedance selective circuit (20) and the selective circuit andthen connected with the cathode U[-] of the switch power supply (11). The test control device also comprises a display input unit (30) connected with the programmable controller PLC. The utility model can turn on and off the switch contact of a DC voltage 0-300 V and the DC current of 0-10 A, operates and controls the electric life and measures the parameters and has power shortage protection andfusion welding protection. The operation time is selectively one to one million and the operation station is selectively one to four. The operation is performed by using a touch screen. The utility model uses the computer to measure and memory the parameters such as current, voltage and time.
Description
Technical field
The utility model relates to electric control gear, particularly is used for the equipment of switch contact melting welding and electric life observing and controlling.
Background technology
Have influence on the safety of current supply circuit between the state quality of switch contact; the present equipment of also not monitoring at switch contact break-make and electric life parameter; so; can't realize detecting automatically and carry out protection effectively; for this reason; the inventor designs this device, is used to realize that the parameter of switch contact break-make and electric life monitors.
Summary of the invention
The utility model provides a kind of switch contact melting welding and electric life measure and control device, and the variation of electrical quantity is measured in utilization, and the duty of judgement and gauge tap contact solves the technical matters that does not have detection automatically and protection equipment in the prior art.
The utility model comprises main control loop for the switch contact melting welding and the electric life measure and control device that provide are provided; coupled Programmable Logic Controller PLC; also comprise the melting welding detection/protection module and the short of electricity protection module that are used for the detector switch contact, described melting welding protection module and short of electricity protection module connect Programmable Logic Controller PLC.
Main control loop comprises Switching Power Supply, the positive pole output U of this Switching Power Supply
+The negative pole U that connects Switching Power Supply after joint detection loop, impedance are selected circuit and selected circuit successively
-This measure and control device also comprises the demonstration input block, and this shows that input block connects Programmable Logic Controller PLC, and this demonstration input block is a touch-screen.
After the utility model adopts technique scheme; can realize DC voltage 0～300V; the switch contact break-make of DC current 0～10A and electric life operation control and parameter measurement; have short of electricity protection, melting welding protection; number of operations 1～1,000,000 are time optional; operation position 1～4 is optional, uses touch-screen to operate, and utilizes the measurement and the preservation of computer realization electric current, voltage, time parameter.
Description of drawings
Fig. 1 is the synoptic diagram of melting welding of the utility model switch contact and the main control loop of electric life measure and control device.
Fig. 2 is the utility model principle of work schematic block diagram.
Embodiment
In conjunction with above-mentioned description of drawings specific embodiment of the utility model.
By among Fig. 1 and Fig. 2 as can be known; this switch contact melting welding and electric life measure and control device comprise main control loop 10; coupled Programmable Logic Controller PLC; also comprise the melting welding detection/protection module 20 and the short of electricity protection module that are used for the detector switch contact; described melting welding protection module 20 and short of electricity protection module connect Programmable Logic Controller PLC (model C PM2A-40CDT); reception from the parameter setting of touch-screen, detect the control signal of the input of melting welding contact, output relay, melting welding detections/protection module 20 detection test products or accompany the normally opened contact of test product.
By among Fig. 1 as can be known, main control loop 10 comprises Switching Power Supply 11, the positive pole of this Switching Power Supply 11 output U
+The negative pole U that connects Switching Power Supply 11 after joint detection loop, impedance are selected circuit and selected circuit successively
-Described detection loop comprises in parallel by trial product M, the first voltage sensor V
1(voltage sensor is 300V, 0.75mV) and the 3rd contactor CJ
3Described impedance selects circuit to comprise first impedance circuit and second impedance circuit in parallel, and described first impedance circuit comprises the first contactor CJ of series connection
1, first resistance R
1And first inductance L
1, described second impedance circuit comprises the second contactor CJ of series connection
2, second resistance R
2And second inductance L
2Described selection circuit comprises three tunnel selector switch K, the first current sensor A
1With the second current sensor A
2, shunt resistance R
XAnd the second voltage sensor V
2, the described first current sensor A
1With the second current sensor A
2(current sensor is respectively 0.5A, 5A) and shunt resistance R
XAn end connect three contacts of three tunnel selector switch K respectively, an other end connects back in parallel and connects impedance and select circuit, described this second voltage sensor V
2Be parallel to shunt resistance R
X(10A/75mV).Contactor CJ
1, CJ
2Be used to select impedance (R
1, L
1) or (R
2, L
2), contactor (A.C. contactor CJX-1810) CJ
3In order to the short circuit test product, obtain prospective current.
By among Fig. 2 as can be known, this measure and control device also comprises demonstration input block 30, this shows that input block 30 connects Programmable Logic Controller PLC, this demonstration input block 30 can be display screen and input mechanism, also can be touch-screen, (model MT506LV) setting operation cycle, number of operations, station, prospective current go code.
The utility model can be controlled by multistation, adopts the electric current solenoid valve to select to control station.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. switch contact melting welding and electric life measure and control device; it is characterized in that: this measure and control device comprises main control loop (10); coupled Programmable Logic Controller PLC; also comprise the melting welding detection/short of electricity protection module (N) that is used for the detector switch contact, described melting welding protection/short of electricity protection module (N) connects Programmable Logic Controller PLC.
2. according to described switch contact melting welding of claim 1 and electric life measure and control device, it is characterized in that: main control loop (10) comprises Switching Power Supply (11), the positive pole output U of this Switching Power Supply (11)
+The negative pole U that connects Switching Power Supply (11) after joint detection loop, impedance are selected circuit and selected circuit successively
-
3. according to described switch contact melting welding of claim 2 and electric life measure and control device, it is characterized in that: described detection loop comprises in parallel by trial product M, the first voltage sensor V
1And the 3rd contactor CJ
3
4. according to described switch contact melting welding of claim 2 and electric life measure and control device, it is characterized in that: described impedance selects circuit to comprise first impedance circuit and second impedance circuit in parallel.
5. according to described switch contact melting welding of claim 4 and electric life measure and control device, it is characterized in that: described first impedance circuit comprises the first contactor CJ of series connection
1, first resistance R
1And first inductance L
1
6. according to described switch contact melting welding of claim 4 and electric life measure and control device, it is characterized in that: described second impedance circuit comprises the second contactor CJ of series connection
2, second resistance R
2And second inductance L
2
7. according to described switch contact melting welding of claim 2 and electric life measure and control device, it is characterized in that: described selection circuit comprises three tunnel selector switch K, the first current sensor A
1With the second current sensor A
2, shunt resistance R
XAnd the second voltage sensor V
2, the described first current sensor A
1With the second current sensor A
2And shunt resistance R
XAn end connect three contacts of three tunnel selector switch K respectively, an other end connects back in parallel and connects impedance and select circuit, described this second voltage sensor V
2Be parallel to shunt resistance R
X
8. according to each described switch contact melting welding and electric life measure and control device in the claim 1 to 7, it is characterized in that: this measure and control device also comprises demonstration input block (30), and this shows that input block (30) connects Programmable Logic Controller PLC.
9. described according to Claim 8 switch contact melting welding and electric life measure and control device is characterized in that: this demonstration input block (30) comprises display screen and input mechanism.
10. described according to Claim 8 switch contact melting welding and electric life measure and control device is characterized in that: this demonstration input block (30) is a touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201553177U CN201397376Y (en) | 2009-05-12 | 2009-05-12 | Switch contact fusion welding and electric service life test control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201553177U CN201397376Y (en) | 2009-05-12 | 2009-05-12 | Switch contact fusion welding and electric service life test control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201397376Y true CN201397376Y (en) | 2010-02-03 |
Family
ID=41619895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201553177U Expired - Fee Related CN201397376Y (en) | 2009-05-12 | 2009-05-12 | Switch contact fusion welding and electric service life test control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201397376Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308387A (en) * | 2013-05-30 | 2013-09-18 | 福达合金材料股份有限公司 | Static fusion welding force test device and method of electric contact material |
| CN113985087A (en) * | 2021-10-22 | 2022-01-28 | 宁波公牛电器有限公司 | Switch fusion welding simulation circuit and control method and system thereof |
-
2009
- 2009-05-12 CN CN2009201553177U patent/CN201397376Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308387A (en) * | 2013-05-30 | 2013-09-18 | 福达合金材料股份有限公司 | Static fusion welding force test device and method of electric contact material |
| CN113985087A (en) * | 2021-10-22 | 2022-01-28 | 宁波公牛电器有限公司 | Switch fusion welding simulation circuit and control method and system thereof |
| CN113985087B (en) * | 2021-10-22 | 2023-11-03 | 宁波公牛电器有限公司 | Switch fusion welding simulation circuit and control method and system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20100512 |