CN102338837A - A terminal connection detection device - Google Patents
A terminal connection detection device Download PDFInfo
- Publication number
- CN102338837A CN102338837A CN2010102307209A CN201010230720A CN102338837A CN 102338837 A CN102338837 A CN 102338837A CN 2010102307209 A CN2010102307209 A CN 2010102307209A CN 201010230720 A CN201010230720 A CN 201010230720A CN 102338837 A CN102338837 A CN 102338837A
- Authority
- CN
- China
- Prior art keywords
- resistor
- terminal
- diode
- resistance
- capacitor
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 76
- 239000003990 capacitor Substances 0.000 claims abstract description 48
- 101001042415 Cratylia mollis Mannose/glucose-specific lectin Cramoll Proteins 0.000 claims abstract description 25
- 102100029775 Eukaryotic translation initiation factor 1 Human genes 0.000 claims abstract description 25
- 101001012787 Homo sapiens Eukaryotic translation initiation factor 1 Proteins 0.000 claims abstract description 25
- 101000643378 Homo sapiens Serine racemase Proteins 0.000 claims abstract description 25
- AIXMJTYHQHQJLU-UHFFFAOYSA-N chembl210858 Chemical compound O1C(CC(=O)OC)CC(C=2C=CC(O)=CC=2)=N1 AIXMJTYHQHQJLU-UHFFFAOYSA-N 0.000 claims abstract description 25
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 claims description 17
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 claims description 17
- 210000001503 joint Anatomy 0.000 description 18
- 239000000523 sample Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
A terminal connection detection device is used for detecting the connection condition of a connecting terminal PA and a connecting terminal PB and is provided with a detection unit, an analysis unit and an output unit, wherein the input end of the detection unit is connected with a detection terminal, the output end of the detection unit is connected with the input end of the analysis unit, and the output end of the analysis unit is connected with the input end of the output unit. The detection unit is provided with a resistor R11, a capacitor C11, a resistor R21 and a capacitor C21; the analysis unit is provided with a resistor R12, an optocoupler ISO1, a diode D11, a diode D12, a resistor R22, an optocoupler ISO2, a diode D21 and a diode D22; the output unit is provided with a resistor R3, a resistor R4, a resistor R5, a capacitor C3 and a triode Q3. The invention can monitor the connection state of the system connection terminal in real time.
Description
Technical field
The present invention relates to the electrical equipment technical field, particularly relate to a kind of terminal joint detection device.
Background technology
Inner at various industrial electrical installations, all use splicing ear in a large number, purpose can be the signal transmission, also can be power supply transfer or the like.In the prior art, splicing ear generally adopts mechanical type to fix, and wherein a kind of fixed form is through on splicing ear, installing and fixing shell, shell is fixed through the terminal that modes such as screw are connected with desire, and some are also arranged is to adopt the plastics cassette to fix.Though above-mentioned mechanical type fixed form can realize fixing between the splicing ear to a certain extent; Connect unsettled defective but still exist; Go wrong in case connect between the splicing ear, electrical equipment can't just produce work, even consequence such as damage also can occur.The more important thing is; Fixed form of the prior art; Can't detect the connection situation of splicing ear in real time, therefore, the control center of equipment just can't formulate the control corresponding scheme to the situation that connects; Avoid occurring unpredictable failure effect so can not when splicing ear occurs connecting fault, take corresponding control measures, cause bigger trouble for the use of electrical equipment.
Therefore, to the deficiency of prior art, provide a kind of terminal joint detection device that can in time detect splicing ear connection fault to overcome very necessity of prior art weak point.
Summary of the invention
The objective of the invention is to avoid the weak point of prior art and a kind of terminal joint detection device is provided, this terminal joint detection device can detect the connection situation of splicing ear in real time.
The object of the invention is realized through following technical measures.
A kind of terminal joint detection device; Be used to detect the connection state of splicing ear PA and splicing ear PB; Splicing ear PA is provided with detection terminal CONNECT-A and GND1; Detection terminal PB is provided with detection terminal CONNECT-B and GND2, it is characterized in that: said terminal joint detection device is provided with probe unit, analytic unit and output unit, and the input end of said probe unit is connected with GND2 with said detection terminal CONNECT-A, GND1, CONNECT-B; The output terminal of said probe unit is connected with the input end of said analytic unit, and the output terminal of said analytic unit is connected with the input end of said output unit.
Further, above-mentioned probe unit is provided with resistance R 11, capacitor C 11, resistance R 21 and capacitor C 21;
One end of said resistance R 11 is connected with said detection terminal CONNECT-A, and the other end of said resistance R 11 is connected with an end of said capacitor C 11, and the other end of said capacitor C 11 is connected with said detection terminal GND1;
One end of said resistance R 21 is connected with said detection terminal CONNECT-B, and the other end of said resistance R 21 is connected with an end of said capacitor C 21, and the other end of said capacitor C 21 is connected with said detection terminal GND2;
The other end of the other end of said resistance R 11, said resistance R 21 is connected with the input end of said analytic unit.
Preferably, above-mentioned resistance R 11 is 470 Europe, and said capacitor C 11 is 100nF, and said resistance R 21 is 470 Europe, and said capacitor C 21 is 100nF.
Further, above-mentioned analytic unit is provided with resistance R 12, optocoupler ISO1, diode D11, diode D12, resistance R 22, optocoupler ISO2, diode D21 and diode D22;
1 termination of said optocoupler ISO1+5V current potential; 2 ends of said optocoupler ISO1, the positive pole of said diode D11 are connected with the other end of said resistance R 11; 3 ends of said optocoupler ISO1 are connected with GND3; One termination of said resistance R 12+3.3V current potential, 4 ends of the other end of said resistance R 12, said optocoupler ISO1 are connected with the positive pole of said diode D12;
The negative pole of 1 end of said optocoupler ISO2, the negative pole of said diode D11, said diode D21 connects+the 5V current potential; 2 ends of said optocoupler ISO2, the positive pole of said diode D21 are connected with the other end of said resistance R 21; 3 ends of said optocoupler ISO2 are connected with GND3; One termination of said resistance R 22+3.3V current potential, 4 ends of the other end of said resistance R 22, said optocoupler ISO2 are connected with the positive pole of said diode D22;
The negative pole of the negative pole of said diode D12, said diode D22 is connected with the input end of said output unit.
Preferably, above-mentioned resistance R 12 is 1.5 kilo-ohms, and said resistance R 22 is 1.5 kilo-ohms.
Further, above-mentioned output unit is provided with resistance R 3, resistance R 4, resistance R 5, capacitor C 3 and triode Q3;
One end of said resistance R 3 is connected with the negative pole of diode D12; One end of the other end of said resistance R 3, said resistance R 4, an end of said capacitor C 3 are connected with the base stage of said triode Q3; The emitter of the other end of the other end of said resistance R 4, said capacitor C 3, said triode Q3 is connected with GND3; One termination of said resistance R 5+3.3V current potential, the other end of said resistance R 5 is connected with the collector of said triode Q3.
Preferably, above-mentioned resistance R 3 is 1 kilo-ohm, and said resistance R 4 is 47 kilo-ohms, and said resistance R 5 is 4.7 kilo-ohms, and said capacitor C 3 is 100nF.
A kind of terminal joint detection device; Be used to detect the connection state of splicing ear PA and splicing ear PB; Splicing ear PA is provided with detection terminal CONNECT-A and GND1; Detection terminal PB is provided with detection terminal CONNECT-B and GND2, and said terminal joint detection device is provided with probe unit, analytic unit and output unit, and the input end of said probe unit is connected with GND2 with said detection terminal CONNECT-A, GND1, CONNECT-B; The output terminal of said probe unit is connected with the input end of said analytic unit, and the output terminal of said analytic unit is connected with the input end of said output unit.A kind of terminal joint detection device of the present invention can be when splicing ear goes wrong through the connection status of probe unit real-time monitoring system splicing ear, and system can make corresponding processing action, thereby avoids the generation of system problem.
Description of drawings
In conjunction with accompanying drawing the present invention is done further description, but the content in the accompanying drawing does not constitute to any restriction of the present invention.
Fig. 1 is the synoptic diagram of splicing ear PA and splicing ear PB.
Fig. 2 is the circuit diagram of the embodiment 1 of a kind of terminal joint detection of the present invention device.
Fig. 3 is the circuit diagram of the embodiment 2 of a kind of terminal joint detection of the present invention device.
In Fig. 2, Fig. 3, comprising:
Analytic unit 110,
Embodiment
In conjunction with following examples the present invention is further described.
Exist two splicing ears of PA and PB to need to be connected in the system.In order to detect the state that PA is connected with PB, need two pins of each terminal be opened up to detection and use terminal.As shown in Figure 1, splicing ear PA is provided with two detection terminals: the 13rd pin CONNECT_A and the 1st pin GND1.Splicing ear PB is provided with two detection terminals: the 13rd pin GND2 and the 1st pin CONNECT_B.If splicing ear PA is connected well with splicing ear PB, CONNECT_A will reliably be connected with GND1 so, and CONNECT_B also will reliably be connected with GND2.Need to prove that the present invention be fit to detect all kinds of splicing ears with different pins, any pin that also can the individual splicing ear that links together of companys of detection.
A kind of terminal joint detection device, as shown in Figure 2, be used to detect the connection state of splicing ear PA and splicing ear PB.Terminal joint detection device is provided with probe unit 100, analytic unit 200 and output unit 300.The input end of probe unit 100 is connected with detection terminal CONNECT-A, GND1, CONNECT-B and GND2, and the output terminal of probe unit 100 is connected with the input end of analytic unit 200, and the output terminal of analytic unit 200 is connected with the input end of output unit 300.
One end of resistance R 11 is connected with detection terminal CONNECT-A, and the other end of resistance R 11 is connected with an end of capacitor C 11, and the other end of capacitor C 11 is connected with said detection terminal GND1.
One end of resistance R 21 is connected with detection terminal CONNECT-B, and the other end of resistance R 21 is connected with an end of capacitor C 21, and the other end of capacitor C 21 is connected with said detection terminal GND2.
The other end of the other end of resistance R 11, resistance R 21 is connected with the input end of analytic unit 200.
1 termination of optocoupler ISO1+5V current potential; 2 ends of optocoupler ISO1, the positive pole of diode D11 are connected with the other end of resistance R 11; 3 ends of optocoupler ISO1 are connected with GND3, one termination of resistance R 12+3.3V current potential, and 4 ends of the other end of resistance R 12, optocoupler ISO1 are connected with the positive pole of diode D12.
The negative pole of 1 end of optocoupler ISO2, the negative pole of diode D11, diode D21 connects+the 5V current potential; 2 ends of optocoupler ISO2, the positive pole of diode D21 are connected with the other end of resistance R 21; 3 ends of optocoupler ISO2 are connected with GND3; One termination of resistance R 22+3.3V current potential, 4 ends of the other end of resistance R 22, optocoupler ISO2 are connected with the positive pole of diode D22.
The negative pole of the negative pole of diode D12, diode D22 is connected with the input end of output unit 300.
One end of resistance R 3 is connected with the negative pole of diode D12; One end of the other end of resistance R 3, resistance R 4, an end of capacitor C 3 are connected with the base stage of triode Q3; The emitter of the other end of the other end of resistance R 4, capacitor C 3, triode Q3 is connected with GND3; One termination of resistance R 5+3.3V current potential, the other end of resistance R 5 is connected with the collector of triode Q3.
Terminal joint detection device of the present invention, its detection principle is:
If splicing ear PA reliably is connected with splicing ear PB; CONNECT_A is connected with GND1 so; CONNECT_ B is connected with GND2, and then optocoupler ISO1 and ISO2 are with conducting, and optical coupling secondary edges all will be low level; The Q3 triode will be not can conducting, the output terminal CONNECT_ FB of the output unit of testing circuit will be high level.
If splicing ear PA unreliable situation about being connected occurs with splicing ear PB; CONNECT-A or CONNECT_B one of them or all will break off and being connected with GND; CONNECT_A or CONNECT_B have at least one can not be in low level so; Then optocoupler ISO1 and ISO2 one of them will be not can conducting, the secondary output of one of them optocoupler will be drawn high is high level.Because the output of the secondary of two optocouplers is carried out or logic through diode D12 and diode D22, the Q1 triode will conducting so, and testing circuit is exported will be pulled down to low level.
Can know through above analysis; Splicing ear PA and PB are being connected normally when being connected fault, and testing circuit has provided opposite logic level, through this level amount; The control center of electrical equipment just can carry out corresponding action and handle, and prevents that terminal from connecting the system-level malfunction that fault causes.
A kind of terminal joint detection device, as shown in Figure 3, be used to detect splicing ear PA shown in Figure 1 and the connection state of splicing ear PB.Splicing ear PA is provided with detection terminal CONNECT-A and GND1, and detection terminal PB is provided with detection terminal CONNECT-B and GND2.Terminal joint detection device is provided with probe unit 100, analytic unit 200 and output unit 300.The input end of probe unit 100 is connected with detection terminal CONNECT-A, GND1, CONNECT-B and GND2, and the output terminal of probe unit 100 is connected with the input end of analytic unit 200, and the output terminal of analytic unit 200 is connected with the input end of output unit 300.
One end of resistance R 11 is connected with detection terminal CONNECT-A, and the other end of resistance R 11 is connected with an end of capacitor C 11, and the other end of capacitor C 11 is connected with said detection terminal GND1.
One end of resistance R 21 is connected with detection terminal CONNECT-B, and the other end of resistance R 21 is connected with an end of capacitor C 21, and the other end of capacitor C 21 is connected with said detection terminal GND2.
The other end of the other end of resistance R 11, resistance R 21 is connected with the input end of analytic unit 200.
1 termination of optocoupler ISO1+5V current potential; 2 ends of optocoupler ISO1, the positive pole of diode D11 are connected with the other end of resistance R 11; 3 ends of optocoupler ISO1 are connected with GND3, one termination of resistance R 12+3.3V current potential, and 4 ends of the other end of resistance R 12, optocoupler ISO1 are connected with the positive pole of diode D12.
The negative pole of 1 end of optocoupler ISO2, the negative pole of diode D11, diode D21 connects+the 5V current potential; 2 ends of optocoupler ISO2, the positive pole of diode D21 are connected with the other end of resistance R 21; 3 ends of optocoupler ISO2 are connected with GND3; One termination of resistance R 22+3.3V current potential, 4 ends of the other end of resistance R 22, optocoupler ISO2 are connected with the positive pole of diode D22.
The negative pole of the negative pole of diode D12, diode D22 is connected with the input end of output unit 300.
The parameter value of above components and parts is only for reference, when practical application present technique scheme, can adjust above parameter value.
Terminal joint detection device of the present invention, its detection principle is:
If splicing ear PA reliably is connected with splicing ear PB; CONNECT_A is connected with GND1 so; CONNECT_ B is connected with GND2, and then optocoupler ISO1 and ISO2 are with conducting, and optical coupling secondary edges all will be low level; The Q3 triode will be not can conducting, the output terminal CONNECT_ FB of the output unit of testing circuit will be high level.
If splicing ear PA unreliable situation about being connected occurs with splicing ear PB; CONNECT-A or CONNECT_B one of them or all will break off and being connected with GND; CONNECT_A or CONNECT_B have at least one can not be in low level so; Then optocoupler ISO1 and ISO2 one of them will be not can conducting, the secondary output of one of them optocoupler will be drawn high is high level.Because the output of the secondary of two optocouplers is carried out or logic through diode D12 and diode D22, the Q1 triode will conducting so, and testing circuit is exported will be pulled down to low level.
Can know through above analysis; Splicing ear PA and PB are being connected normally when being connected fault, and testing circuit has provided opposite logic level, through this level amount; The control center of electrical equipment just can carry out corresponding action and handle, and prevents that terminal from connecting the system-level malfunction that fault causes.
Should be noted that at last; Above embodiment is only in order to technical scheme of the present invention to be described but not to the restriction of protection domain of the present invention; Although the present invention has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the essence and the scope of technical scheme of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102307209A CN102338837A (en) | 2010-07-20 | 2010-07-20 | A terminal connection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102307209A CN102338837A (en) | 2010-07-20 | 2010-07-20 | A terminal connection detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102338837A true CN102338837A (en) | 2012-02-01 |
Family
ID=45514670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102307209A Pending CN102338837A (en) | 2010-07-20 | 2010-07-20 | A terminal connection detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102338837A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383239A (en) * | 2013-06-03 | 2013-11-06 | 上海索广映像有限公司 | BNC terminal image recognition device and recognition method |
| CN117269851A (en) * | 2023-11-16 | 2023-12-22 | 江苏兴缘高温线缆有限公司 | Terminal grafting detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155357A (en) * | 1994-05-10 | 1997-07-23 | 内沃电力及电子工业(1994)有限公司 | Detector for monitoring integrity of ground connection of electrical appliance |
| CN1435921A (en) * | 2002-01-30 | 2003-08-13 | 住友电装株式会社 | Continuity testing unit and system |
| CN1996028A (en) * | 2005-12-28 | 2007-07-11 | 日本电产丽德株式会社 | Substrate checking device and method |
| CN201749167U (en) * | 2010-07-20 | 2011-02-16 | 广东易事特电源股份有限公司 | A connection terminal disconnection detection circuit |
-
2010
- 2010-07-20 CN CN2010102307209A patent/CN102338837A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155357A (en) * | 1994-05-10 | 1997-07-23 | 内沃电力及电子工业(1994)有限公司 | Detector for monitoring integrity of ground connection of electrical appliance |
| CN1435921A (en) * | 2002-01-30 | 2003-08-13 | 住友电装株式会社 | Continuity testing unit and system |
| CN1996028A (en) * | 2005-12-28 | 2007-07-11 | 日本电产丽德株式会社 | Substrate checking device and method |
| CN201749167U (en) * | 2010-07-20 | 2011-02-16 | 广东易事特电源股份有限公司 | A connection terminal disconnection detection circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383239A (en) * | 2013-06-03 | 2013-11-06 | 上海索广映像有限公司 | BNC terminal image recognition device and recognition method |
| CN117269851A (en) * | 2023-11-16 | 2023-12-22 | 江苏兴缘高温线缆有限公司 | Terminal grafting detection device |
| CN117269851B (en) * | 2023-11-16 | 2024-02-09 | 江苏兴缘高温线缆有限公司 | Terminal grafting detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101290538A (en) | Mainboard voltage monitoring apparatus and voltage delay circuit | |
| CN107533090B (en) | A leakage current testing circuit and method | |
| CN207475217U (en) | DC voltage supply circuit | |
| CN203798939U (en) | Line sequence detection circuit | |
| CN201749167U (en) | A connection terminal disconnection detection circuit | |
| CN104635102A (en) | Electronic component detection device and detection method thereof | |
| CN111103862A (en) | Digital quantity acquisition circuit with self-diagnosis function | |
| CN101989118A (en) | Voltage monitoring device | |
| CN206848402U (en) | Test circuit | |
| CN102338837A (en) | A terminal connection detection device | |
| KR100998661B1 (en) | Voltage monitoring method and circuit using the same in electrical energy storage device | |
| JP2014089187A (en) | Disconnection detecting device, and method for the same | |
| CN105445596B (en) | Battery detection circuit | |
| CN105577167A (en) | Automatic polarity switching circuit and electronic device | |
| CN104182311B (en) | Fan test plate | |
| CN204462295U (en) | Auxiliary circuit is detected from equipment and insertion thereof | |
| CN216649235U (en) | HDMI port protection circuit and HDMI port protection device | |
| CN103472346A (en) | Test device | |
| CN215729355U (en) | Safety controller and output detection device thereof | |
| CN215817599U (en) | Power supply switching circuit and electronic equipment | |
| CN109461730A (en) | Electrostatic discharge protection circuit and electrostatic protection apparatus | |
| CN206193208U (en) | USB power supply unit's output back -off test system and mancarried device | |
| CN205809244U (en) | The test device that detection optical module firmware is lost | |
| CN103675577B (en) | A kind of circuit realizing the detection of IO reverse leakage in integrated circuits | |
| CN221595232U (en) | Signal line detection circuit and converter device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120201 |