CN204044272U - The device of electrical power contacts bad phenomenon in analog electronics use procedure - Google Patents
The device of electrical power contacts bad phenomenon in analog electronics use procedure Download PDFInfo
- Publication number
- CN204044272U CN204044272U CN201420373156.XU CN201420373156U CN204044272U CN 204044272 U CN204044272 U CN 204044272U CN 201420373156 U CN201420373156 U CN 201420373156U CN 204044272 U CN204044272 U CN 204044272U
- Authority
- CN
- China
- Prior art keywords
- circuit
- relay
- electrical power
- use procedure
- power contacts
- 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
Links
Abstract
The utility model discloses the device of electrical power contacts bad phenomenon in a kind of analog electronics use procedure, comprise: single chip circuit, relay drive circuit, relay, key circuit, display circuit and power circuit, the control end of relay is connected with single chip circuit through relay drive circuit, the controlled terminal of relay is connected with the live wire of test prototype, key circuit is connected with single chip circuit with display circuit, and power circuit is connected with single chip circuit, relay drive circuit and display circuit.The device of electrical power contacts bad phenomenon in the analog electronics use procedure that the utility model provides, achieves when high safety guarantee, analog power loose contact phenomenon; And, can be adjusted working time, frequency number of times by key circuit, the power supply of different peak point current can be obtained, ensure that the high precision of test result; In addition, this apparatus structure is simple, with low cost, easy to operate.
Description
Technical field
The utility model relates to test unit, particularly relates to the device of electrical power contacts bad phenomenon in a kind of analog electronics use procedure.
Background technology
The electrical equipment such as air-conditioning use in (operation) process in reality and frequently occur the phenomenon that electrical power contacts is bad, and electrical power contacts is bad can produce peak point current instantaneously, very easily causes the controller of electrical equipment to break down, and causes product repair rate high.For simulating the bad this phenomenon of electrical power contacts that the electrical equipment such as air-conditioning in use occur, and this phenomenon is attached in test, electrical equipment reliabilities of operation when electrical power contacts is bad such as checking air-conditioning, to reach the object improving the electric properties such as air-conditioning, be necessary the test carrying out the bad related fields of electrical power contacts, but current test is in this respect blank.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved in the utility model is, there is provided the device of electrical power contacts bad phenomenon in a kind of analog electronics use procedure, by electrical power contacts bad phenomenon in this device high security, accurately analog electronics use procedure.
In order to solve the problems of the technologies described above, the device of electrical power contacts bad phenomenon in a kind of analog electronics use procedure provided by the utility model, comprise: single chip circuit, relay drive circuit, relay, key circuit, display circuit and power circuit, the control end of described relay is connected with described single chip circuit through described relay drive circuit, the controlled terminal of described relay is connected with the live wire of test prototype, described key circuit is connected with described single chip circuit with described display circuit, described power circuit and described single chip circuit, described relay drive circuit is connected with described display circuit.
Wherein in an embodiment, described relay drive circuit comprises relay driving chip, the signal input interface of described relay driving chip is connected with the signal output interface of described single chip circuit, and the signal output interface of described relay driving chip is connected with the control end of described relay.
Wherein in an embodiment, described relay drive circuit also comprises diode, and described diode is in parallel with the control end of described relay.
Wherein in an embodiment, described relay drive circuit also comprises filter capacitor, and described filtering circuit is in parallel with the control end of described relay.
Wherein in an embodiment, described relay drive circuit also comprises light emitting diode and dropping resistor, and described light emitting diode and described dropping resistor are in parallel with the control end of described relay after connecting.
Wherein in an embodiment, described relay is more than two, and all described relays are connected with the signal output interface of described relay driving chip respectively.
Wherein in an embodiment, the action response time of described relay is 0.01 ~ 0.99 second.
Wherein in an embodiment, the rated current >=30A of described relay.
Wherein in an embodiment, in described analog electronics use procedure, the device of electrical power contacts bad phenomenon also comprises:
Communicating circuit, described communicating circuit is connected with described single chip circuit.
Wherein in an embodiment, described display circuit comprises display driver circuit and digital display tube, and described digital display tube is connected with described single chip circuit through described display driver circuit.
The device of electrical power contacts bad phenomenon in the analog electronics use procedure that the utility model provides, lead to → break → switching of leading to instantaneously by single chip circuit pilot relay, that test prototype live wire is synchronously completed is logical → disconnected → logical switching, circuit obtains crest voltage and electric current in the handoff procedure of moment, thus achieve when high safety guarantee, analog power loose contact phenomenon; And, can be adjusted working time, frequency number of times by key circuit, the power supply of different peak point current can be obtained, ensure that the high precision of test result; In addition, this apparatus structure is simple, with low cost, easy to operate.
The beneficial effect that the utility model additional technical feature has will be described in this instructions embodiment part.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the device of electrical power contacts bad phenomenon in the analog electronics use procedure in one of them embodiment of the utility model;
Fig. 2 is the circuit diagram of the single chip circuit in the utility model embodiment;
Fig. 3 is the circuit diagram of the relay drive circuit in the utility model embodiment;
Fig. 4 is the circuit diagram of the display circuit in the utility model embodiment;
Fig. 5 is the circuit diagram of the key circuit in the utility model embodiment;
Fig. 6 is the circuit diagram of the communicating circuit in the utility model embodiment;
Fig. 7 is the circuit diagram of the power circuit in the utility model embodiment.
Embodiment
And the utility model is described in detail below with reference to the accompanying drawings in conjunction with the embodiments.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
As shown in Figure 1, in analog electronics use procedure in one of them embodiment of the utility model, the device of electrical power contacts bad phenomenon comprises: single chip circuit 10, relay drive circuit 20, some relays 30, key circuit 50, display circuit 40 and power circuit 70, wherein, the control end of described relay 30 is connected with described single chip circuit 10 through described relay drive circuit 20, the controlled terminal of described relay 30 is connected with the live wire of testing air conditioner model machine, when described single chip circuit 10 brings into operation, by judging the set time, frequency number of times carries out corresponding actions, led to instantaneously by action control relay 30, disconnected, described key circuit 50 is connected with described single chip circuit 10 with described display circuit 40, and described key circuit 50 is for adjusting working time, frequency number of times, and described display circuit 40 is for showing working time, frequency number of times, described power circuit 70 is connected with described single chip circuit 10, described relay drive circuit 20 and described display circuit 40, for whole device is powered.
Figure 2 shows that the circuit diagram of the single chip circuit 10 in the present embodiment, single chip circuit 10 adopts ATWL16L single-chip microcomputer.
Figure 3 shows that the circuit diagram of the relay drive circuit 20 in the present embodiment.Relay drive circuit 20 comprises relay driving chip, signal input interface PD4, PD5, PD6, PD7 of described relay driving chip are connected with signal output interface PD4, PD5, PD6, PD7 of single-chip microcomputer respectively, and the signal output interface 15,16 of described relay driving chip is connected with the control end of two relays respectively.Preferably, described relay drive circuit 20 also comprises diode D15, D17, and described diode D15, D17 are in parallel with the control end of described relay 30.Absorbed the electromotive force of relay coil generation by diode D15, D17, prevent electromotive force from damaging relay driving chip.Preferably, described relay drive circuit 20 also comprises filter capacitor C8, C9, and described filtering circuit is in parallel with the control end of described relay.Absorbed the peak point current of relay quick on-off generation by filter capacitor C8, C9, prevent peak point current from causing relay misoperation to do.Preferably, described relay drive circuit 20 also comprises light emitting diode D16, D18 and dropping resistor R8, R9, in parallel with the control end of described relay 30 after described light emitting diode D16, D18 and described dropping resistor R8, R9 connect.Whether work from outside observation relay by light emitting diode D16, D18 are convenient.In order to high precision analog power loose contact phenomenon, the action response time of described relay 30 is 0.01 ~ 0.99 second.In order to prevent relay to be burned, the rated current >=30A of described relay 30.Preferably, the quantity of described relay 30 is more than two, and can test multiple stage testing air conditioner model machine like this, efficiency is high simultaneously.
Figure 4 shows that the circuit diagram of the display circuit 40 in the present embodiment.Described display circuit 40 comprises display driver circuit and digital display tube, and described digital display tube is connected with described single chip circuit 10 through described display driver circuit.Display circuit 40 adopts digital display tube, can reduce installation cost.
Figure 5 shows that the circuit diagram of the key circuit 50 in the present embodiment.By key circuit 50 adjust operation time, frequency number of times.
Preferably, also comprise communicating circuit 60, described communicating circuit 60 is connected with described single chip circuit 10.By communicating circuit 60, the data of process of the test are transferred to computer record.Figure 6 shows that the circuit diagram of the communicating circuit 60 in the present embodiment.
Power circuit 70 provides power supply for whole device.Figure 7 shows that the circuit diagram of the power circuit 70 in the present embodiment.
To sum up, the device of electrical power contacts bad phenomenon in the analog electronics use procedure of the utility model embodiment, lead to → break → switching of leading to instantaneously by single chip circuit 10 pilot relay, that test prototype live wire is synchronously completed is logical → disconnected → logical switching, circuit obtains crest voltage and electric current in the handoff procedure of moment, thus achieve when high safety guarantee, analog power loose contact phenomenon; And, can be adjusted working time, frequency number of times by key circuit 50, the power supply of different peak point current can be obtained, ensure that the high precision of test result; In addition, this apparatus structure is simple, with low cost, easy to operate.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. the device of electrical power contacts bad phenomenon in an analog electronics use procedure, it is characterized in that, comprise: single chip circuit, relay drive circuit, relay, key circuit, display circuit and power circuit, the control end of described relay is connected with described single chip circuit through described relay drive circuit, the controlled terminal of described relay is connected with the live wire of test prototype, described key circuit is connected with described single chip circuit with described display circuit, described power circuit and described single chip circuit, described relay drive circuit is connected with described display circuit.
2. the device of electrical power contacts bad phenomenon in analog electronics use procedure according to claim 1, it is characterized in that, described relay drive circuit comprises relay driving chip, the signal input interface of described relay driving chip is connected with the signal output interface of described single chip circuit, and the signal output interface of described relay driving chip is connected with the control end of described relay.
3. the device of electrical power contacts bad phenomenon in analog electronics use procedure according to claim 2, it is characterized in that, described relay drive circuit also comprises diode, and described diode is in parallel with the control end of described relay.
4. the device of electrical power contacts bad phenomenon in analog electronics use procedure according to claim 2, it is characterized in that, described relay drive circuit also comprises filter capacitor, and described filtering circuit is in parallel with the control end of described relay.
5. the device of electrical power contacts bad phenomenon in analog electronics use procedure according to claim 2, it is characterized in that, described relay drive circuit also comprises light emitting diode and dropping resistor, and described light emitting diode and described dropping resistor are in parallel with the control end of described relay after connecting.
6. the device of electrical power contacts bad phenomenon in analog electronics use procedure according to claim 2, it is characterized in that, described relay is more than two, and all described relays are connected with the signal output interface of described relay driving chip respectively.
7. the device of electrical power contacts bad phenomenon in analog electronics use procedure as claimed in any of claims 1 to 6, it is characterized in that, the action response time of described relay is 0.01 ~ 0.99 second.
8. the device of electrical power contacts bad phenomenon in analog electronics use procedure as claimed in any of claims 1 to 6, is characterized in that, the rated current >=30A of described relay.
9. the device of electrical power contacts bad phenomenon in analog electronics use procedure according to claim 1, is characterized in that, also comprise:
Communicating circuit, described communicating circuit is connected with described single chip circuit.
10. the device of electrical power contacts bad phenomenon in analog electronics use procedure according to claim 1, it is characterized in that, described display circuit comprises display driver circuit and digital display tube, and described digital display tube is connected with described single chip circuit through described display driver circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373156.XU CN204044272U (en) | 2014-07-07 | 2014-07-07 | The device of electrical power contacts bad phenomenon in analog electronics use procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373156.XU CN204044272U (en) | 2014-07-07 | 2014-07-07 | The device of electrical power contacts bad phenomenon in analog electronics use procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044272U true CN204044272U (en) | 2014-12-24 |
Family
ID=52244922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420373156.XU Expired - Fee Related CN204044272U (en) | 2014-07-07 | 2014-07-07 | The device of electrical power contacts bad phenomenon in analog electronics use procedure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204044272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090199A (en) * | 2014-07-07 | 2014-10-08 | 珠海格力电器股份有限公司 | Device for simulating poor power source contact phenomenon in use process of electric appliance |
| CN107230971A (en) * | 2017-07-12 | 2017-10-03 | 广州庞盛电子科技有限公司 | One kind is with light-operated longitude and latitude intelligent power protection device and control flow |
-
2014
- 2014-07-07 CN CN201420373156.XU patent/CN204044272U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090199A (en) * | 2014-07-07 | 2014-10-08 | 珠海格力电器股份有限公司 | Device for simulating poor power source contact phenomenon in use process of electric appliance |
| CN104090199B (en) * | 2014-07-07 | 2017-01-18 | 珠海格力电器股份有限公司 | Device for simulating poor power source contact phenomenon in use process of electric appliance |
| CN107230971A (en) * | 2017-07-12 | 2017-10-03 | 广州庞盛电子科技有限公司 | One kind is with light-operated longitude and latitude intelligent power protection device and control flow |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106992550A (en) | A kind of control device and header box | |
| CN204044272U (en) | The device of electrical power contacts bad phenomenon in analog electronics use procedure | |
| CN203519789U (en) | Capacitance proximity switch tester | |
| CN102608369A (en) | Touch-control and intelligent type pulse train and lightning stroke surge generator | |
| CN203643575U (en) | Relay tester | |
| CN106569125A (en) | Automatic test apparatus for airplane DC switch controller | |
| CN104090199B (en) | Device for simulating poor power source contact phenomenon in use process of electric appliance | |
| CN102332700B (en) | Anti-lightning leakage detection and protection circuit | |
| CN101787947B (en) | Automobile spray emulator endurance test device | |
| CN108931699A (en) | DC break down voltage test device | |
| CN203365596U (en) | Intelligent microcomputer relay protection rapid testing device | |
| CN104007356A (en) | Testing tool | |
| CN203909199U (en) | A test tool | |
| CN205039793U (en) | Electronic control board | |
| CN202281825U (en) | Intelligent electric energy meter built-in load switch test circuit | |
| CN106896320B (en) | PLC board simulation detection jig | |
| CN202661578U (en) | Debugging device with automatic power-up conduction and automatic detection functions | |
| CN109327028A (en) | It is shown for nuclear power station voltage Control card voltage and control device | |
| CN102662391A (en) | Function test table of auxiliary control unit | |
| CN202948086U (en) | High-voltage simulation testing device | |
| CN203759174U (en) | High-voltage switch cabinet fault comprehensive alarm device | |
| CN103944270B (en) | Vacuum circuit breaker Fault Identification device | |
| CN204142919U (en) | A kind of test fixture for magnetic latching relay | |
| CN220673648U (en) | Three-phase motor power supply wiring device of parking equipment | |
| CN203706957U (en) | High voltage breaker switching-closing controller |
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: 20141224 Termination date: 20210707 |