CN203217367U - Detection device for refrigerator controller reliability test - Google Patents
Detection device for refrigerator controller reliability test Download PDFInfo
- Publication number
- CN203217367U CN203217367U CN 201320143728 CN201320143728U CN203217367U CN 203217367 U CN203217367 U CN 203217367U CN 201320143728 CN201320143728 CN 201320143728 CN 201320143728 U CN201320143728 U CN 201320143728U CN 203217367 U CN203217367 U CN 203217367U
- Authority
- CN
- China
- Prior art keywords
- circuit
- refrigerator controller
- acquisition circuit
- state acquisition
- simulation
- 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 - Lifetime
Links
Images
Abstract
The utility model relates to a detection device for refrigerator controller reliability test, which includes: an input device, a power supply, a display, a simulation gate control circuit, a simulation temperature circuit, and a state acquisition circuit, wherein the input device, the power supply, the display, the simulation gate control circuit, the simulation temperature circuit and the state acquisition circuit are connected with a single chip microcomputer. The power supply is connected with a compressor control waveform monitoring module, which is provided with an input terminal for receiving signals of an external refrigerator controller. Each of the simulation gate control circuit, the simulation temperature circuit and the state acquisition circuit is provided with an output terminal corresponding to the external refrigerator controller. The detection device for refrigerator controller reliability test, by simulating signal of a certain state, enables the circuit unit state of the refrigerator controller to change correspondingly in real time, thereby improving detection efficiency. By acquisition and judging of the electrical signals, the detection accuracy and the judging accuracy about the position of failure are improved.
Description
Technical field
The utility model relates to the device that refrigerator detects, and is the pick-up unit of refrigerator controller fail-test concretely.
Background technology
During traditional refrigerator controller fail-test, be that refrigerator controller is installed in the testing equipment, be connected with refrigerator in kind by extended line.Lining temperature sensor between each refrigeration of refrigerator, compressor control waveform output port connects oscillograph; Refrigerator is in normal operating condition in the process of the test.The waveform that operating personnel can only show by temperature value and the oscillograph of the temperature sensor of layouting is judged the working condition of refrigerator.And refrigerator controller is subjected to the restriction of refrigeration characteristic, and the refrigerating speed of refrigerator is slow, and finishing all test items needs very long test period.And the rate of change of refrigerator temperature is extremely low in testing process, can not find in time by observing temperature sensor value whether refrigerator controller breaks down, and in case the accurately fault location position of breaking down.Simultaneously this detecting pattern also is difficult to satisfy the refrigerator controller duty is detected in real time.
The utility model content
The utility model provides a kind of pick-up unit of refrigerator controller fail-test, can make each element circuit of refrigerator controller be in corresponding duty in real time, fast, and improves accuracy and the failure judgement position of detecting.
The pick-up unit of refrigerator controller fail-test of the present utility model, include input equipment, power supply, display screen and the analog gate control circuit, analog temperature circuit and the state acquisition circuit that are connected with single-chip microcomputer, wherein power supply also is connected with compressor control waveform monitoring module, be provided with the input port that receives external refrigerator controller signal at described compressor control waveform monitoring module, be respectively equipped with output port to described external refrigerator controller at described analog gate control circuit, analog temperature circuit and state acquisition circuit.Wherein single-chip microcomputer is responsible for handling gate control signal and the set temperature value of input equipment input, and respectively signal is transferred to analog gate control circuit and analog temperature circuit, for refrigerator controller provides working environment fast.The analog gate control circuit is used for simulating the circuit signal of refrigerator doors open and close, the analog temperature circuit goes out all temps signal according to the instruction simulation of input equipment, the state acquisition circuit is used for gathering the working status parameter of external refrigerator controller under corresponding analog gate control signal and analog temperature signal, and the parameter of gathering fed back to single-chip microcomputer, after single-chip microcomputer was handled, whether state is normal, failure message etc. showed at display screen.Power circuit provides normal working voltage for pick-up unit.Compressor control waveform monitoring module is used for showing waveform and the frequency of compressor control signal.Like this by the various signals of simulation, refrigerator controller is in the duty of various correspondences fast, and by the collection of electric signal being fed back to judge whether state is normal, namely significantly improved detection efficiency, also obviously improved accuracy than traditional artificial judgment.
Concrete, in described analog gate control circuit, comprised receiving described single-chip microcomputer input and door mimic channel and refrigerating chamber Xiamen mimic channel in the refrigerating-chamber door mimic channel of described external refrigerator controller output, the refrigerating chamber.Go out the various gate control signals of refrigerator by various breadboardins.
Concrete, in described analog temperature circuit, comprised receiving described single-chip microcomputer input and the simulation refrigerator temperature sensor circuit of exporting to described external refrigerator controller, simulation freezer temperature sensor circuit and simulation defrost temperature sensor circuit.
Above-mentioned various mimic channels can carry out conventional circuit design and import according to the circuit structure of each counterpart of refrigerator.
Concrete, in described state acquisition circuit, comprised receiving described external refrigerator controller input and the freezing fan condition Acquisition Circuit of exporting to described single-chip microcomputer, refrigeration air door state acquisition circuit, air door heater status Acquisition Circuit, LED lamp state Acquisition Circuit, uviol lamp state acquisition circuit, defrosting heater state acquisition circuit and anti-condensation heater status Acquisition Circuit.Described each state acquisition circuit can design accordingly according to common signal acquisition circuit, and this class circuit has in a lot of fields the similar structure can reference, does not do detailed description at this.
Further, described input equipment includes keyboard, is provided with a state control button, temperature value input button at keyboard, is used for input gate control signal and temperature control signals.
Preferably, be provided with digital keys, symbol keys and radix point button at described keyboard, can carry out various trickle settings to temperature easily like this.
The pick-up unit of refrigerator controller fail-test of the present utility model, by simulating various status signals, can make each element circuit of refrigerator controller be in corresponding duty in real time, fast, significantly improved the efficient that detects, and by to collection and the judgement of electric signal, effectively raise the accuracy of detection and to the judgement of abort situation.
Below in conjunction with the embodiment of embodiment, foregoing of the present utility model is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the utility model only limits to following example.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements or change according to ordinary skill knowledge and customary means are made all should be included in the scope of the present utility model.
Description of drawings
Fig. 1 is the structured flowchart of the pick-up unit of the utility model refrigerator controller fail-test.
Fig. 2 is the structured flowchart of analog gate control circuit among Fig. 1.
Fig. 3 is the structured flowchart of analog temperature circuit among Fig. 1.
Fig. 4 is the structured flowchart of state acquisition circuit among Fig. 1.
Embodiment
The pick-up unit of the utility model refrigerator controller fail-test includes input equipment, power supply, display screen and the analog gate control circuit, analog temperature circuit and the state acquisition circuit that are connected with single-chip microcomputer as shown in Figure 1.Wherein power supply also is connected with compressor control waveform monitoring module.Be provided with the input port that receives external refrigerator controller signal at described compressor control waveform monitoring module, be respectively equipped with output port to described external refrigerator controller at described analog gate control circuit, analog temperature circuit and state acquisition circuit.Include keyboard in described input equipment, keyboard is provided with a state control button, temperature value input button, is used for input gate control signal and temperature control signals.Also be provided with digital keys, symbol keys and radix point button on the keyboard simultaneously, can carry out various trickle settings to temperature easily like this.
Wherein single-chip microcomputer is responsible for handling gate control signal and the set temperature value of input equipment input, and respectively signal is transferred to analog gate control circuit and analog temperature circuit, for refrigerator controller provides working environment fast.The analog gate control circuit is used for simulating the circuit signal of refrigerator doors open and close, the analog temperature circuit goes out all temps signal according to the instruction simulation of input equipment, the state acquisition circuit is used for gathering the working status parameter of external refrigerator controller under corresponding analog gate control signal and analog temperature signal, and the parameter of gathering fed back to single-chip microcomputer, after single-chip microcomputer was handled, whether state is normal, failure message etc. showed at display screen.Power circuit provides normal working voltage for pick-up unit.Compressor control waveform monitoring module is used for showing waveform and the frequency of compressor control signal.
As shown in Figure 2, in the analog gate control circuit, comprised and received the input of described single-chip microcomputer and door mimic channel and refrigerating chamber Xiamen mimic channel in the refrigerating-chamber door mimic channel of described external refrigerator controller output, the refrigerating chamber.Go out the various gate control signals of refrigerator by various breadboardins.
As shown in Figure 3, in the analog temperature circuit, comprised and received the input of described single-chip microcomputer and to simulation refrigerator temperature sensor circuit, simulation freezer temperature sensor circuit and the simulation defrost temperature sensor circuit of described external refrigerator controller output.Various circuit in above-mentioned analog gate control circuit and the analog temperature circuit can carry out conventional circuit design and import according to the circuit structure of each counterpart of refrigerator.
As shown in Figure 4, in the state acquisition circuit, comprised and received described external refrigerator controller input and to freezing fan condition Acquisition Circuit, refrigeration air door state acquisition circuit, air door heater status Acquisition Circuit, LED lamp state Acquisition Circuit, uviol lamp state acquisition circuit, defrosting heater state acquisition circuit and the anti-condensation heater status Acquisition Circuit of described single-chip microcomputer output.Described each state acquisition circuit can design accordingly according to common signal acquisition circuit, and this class circuit has in a lot of fields the similar structure can reference, does not do detailed description at this.
Like this by the various signals of simulation, refrigerator controller is in the duty of various correspondences fast, and by the collection of electric signal being fed back to judge whether state is normal, namely significantly improved detection efficiency, also obviously improved accuracy than traditional artificial judgment.
Claims (6)
1. the pick-up unit of refrigerator controller fail-test, it is characterized by: include input equipment, power supply, display screen and the analog gate control circuit, analog temperature circuit and the state acquisition circuit that are connected with single-chip microcomputer, wherein power supply also is connected with compressor control waveform monitoring module, be provided with the input port that receives external refrigerator controller signal at described compressor control waveform monitoring module, be respectively equipped with output port to described external refrigerator controller at described analog gate control circuit, analog temperature circuit and state acquisition circuit.
2. the pick-up unit of refrigerator controller fail-test as claimed in claim 1 is characterized by: comprised receiving described single-chip microcomputer input and door mimic channel and refrigerating chamber Xiamen mimic channel in the refrigerating-chamber door mimic channel of described external refrigerator controller output, the refrigerating chamber in described analog gate control circuit.
3. the pick-up unit of refrigerator controller fail-test as claimed in claim 1 is characterized by: comprised receiving described single-chip microcomputer input and the simulation refrigerator temperature sensor circuit of exporting to described external refrigerator controller, simulation freezer temperature sensor circuit and simulation defrost temperature sensor circuit in described analog temperature circuit.
4. the pick-up unit of refrigerator controller fail-test as claimed in claim 1 is characterized by: comprised receiving described external refrigerator controller input and the freezing fan condition Acquisition Circuit of exporting to described single-chip microcomputer, refrigeration air door state acquisition circuit, air door heater status Acquisition Circuit, LED lamp state Acquisition Circuit, uviol lamp state acquisition circuit, defrosting heater state acquisition circuit and anti-condensation heater status Acquisition Circuit in described state acquisition circuit.
5. as the pick-up unit of the described refrigerator controller fail-test of one of claim 1 to 4, it is characterized by: described input equipment includes keyboard, is provided with a state control button, temperature value input button at keyboard.
6. the pick-up unit of refrigerator controller fail-test as claimed in claim 5 is characterized by: be provided with digital keys, symbol keys and radix point button at described keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143728 CN203217367U (en) | 2013-03-27 | 2013-03-27 | Detection device for refrigerator controller reliability test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143728 CN203217367U (en) | 2013-03-27 | 2013-03-27 | Detection device for refrigerator controller reliability test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203217367U true CN203217367U (en) | 2013-09-25 |
Family
ID=49206887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320143728 Expired - Lifetime CN203217367U (en) | 2013-03-27 | 2013-03-27 | Detection device for refrigerator controller reliability test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203217367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725349A (en) * | 2017-09-18 | 2018-02-23 | 佛山市中格威电子有限公司 | A kind of compressor analog control system and its method of work |
| CN108663613A (en) * | 2018-07-12 | 2018-10-16 | 四川虹美智能科技有限公司 | A kind of detection device and method of the integrated board of refrigerator |
| CN111273575A (en) * | 2019-07-01 | 2020-06-12 | 青岛拓步科技有限公司 | Intelligent sensor analog simulation and automatic detection device |
-
2013
- 2013-03-27 CN CN 201320143728 patent/CN203217367U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725349A (en) * | 2017-09-18 | 2018-02-23 | 佛山市中格威电子有限公司 | A kind of compressor analog control system and its method of work |
| CN108663613A (en) * | 2018-07-12 | 2018-10-16 | 四川虹美智能科技有限公司 | A kind of detection device and method of the integrated board of refrigerator |
| CN111273575A (en) * | 2019-07-01 | 2020-06-12 | 青岛拓步科技有限公司 | Intelligent sensor analog simulation and automatic detection device |
| CN111273575B (en) * | 2019-07-01 | 2023-04-11 | 青岛拓步科技有限公司 | Intelligent sensor analog simulation and automatic detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202221212U (en) | Intelligent defrosting computer refrigerator control system | |
| CN103163879B (en) | Detection method for reliability test of refrigerator controller | |
| CN202092884U (en) | Testing device of convertible frequency air conditioner | |
| CN203217367U (en) | Detection device for refrigerator controller reliability test | |
| CN205080242U (en) | Power strip function test system | |
| CN101566529B (en) | Refrigerator self detection method | |
| CN103604276A (en) | Refrigerator as well as temperature control device and temperature control method thereof | |
| CN110513821A (en) | A kind of air-conditioner outdoor unit detection system and its detection method | |
| EP3040658B1 (en) | Home appliance with a power-consumption output device | |
| CN106969595A (en) | A kind of refrigerator loads control and monitoring system | |
| CN104949269A (en) | System control method and device for overhigh module temperature | |
| CN204028250U (en) | Refrigerator performance detection apparatus | |
| CN201765302U (en) | Device for detecting performances of Hall integrated circuit | |
| CN102230850A (en) | Method and system for on-line test on outer machine of wind-cooling freezer | |
| CN108120224A (en) | A kind of fault cues method, apparatus and refrigerator based on LED illumination lamp | |
| CN102928629A (en) | Humidity control device for low temperature box | |
| CN103698146A (en) | Reliability test detection system for general refrigerator | |
| CN102261807B (en) | General control method and system for multiple refrigeration equipment and refrigeration equipment | |
| CN103438660A (en) | Refrigerator with Sabbath function | |
| CN110345704A (en) | Detect method and system, server and the machine readable storage medium of household electrical appliance | |
| CN201772696U (en) | Electronic defrosting system with refrigerating chamber shutdown function | |
| CN103471341A (en) | Refrigerator chamber supercooling fault detection system and detection method | |
| CN107894129A (en) | A kind of commercial refrigerator intelligence control system | |
| CN110005602A (en) | A kind of air compressor intelligent test cabinet | |
| CN105042701B (en) | Split-floor type air conditioner, explosion prevention controlling process and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |