CN205374576U - Automatically controlled board test device of fixed frequency air conditioner - Google Patents
Automatically controlled board test device of fixed frequency air conditioner Download PDFInfo
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- CN205374576U CN205374576U CN201620083676.6U CN201620083676U CN205374576U CN 205374576 U CN205374576 U CN 205374576U CN 201620083676 U CN201620083676 U CN 201620083676U CN 205374576 U CN205374576 U CN 205374576U
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- 238000012360 testing method Methods 0.000 title abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 127
- 238000004891 communication Methods 0.000 claims description 35
- 238000002474 experimental method Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to an automatically controlled test technical field of fixed frequency air conditioner mainly relates to an automatically controlled board test device of fixed frequency air conditioner. The utility model discloses an automatically controlled board test device of fixed frequency air conditioner, including direct current voltage detecting input channel, interchange voltage detecting input channel, direct current voltage detecting module, interchange voltage detecting module, DC voltage display module and alternating voltage display module, direct current voltage detecting input channel is connected with direct current voltage detecting module, and direct current voltage detecting module is connected with the DC voltage display module, exchanges voltage detecting input channel and exchange the voltage detecting module to be connected, exchanges the voltage detecting module and is connected with the alternating voltage display module. Owing to has set up direct current voltage detecting input channel and has exchanged voltage detecting input channel, only need to be surveyed voltage signal and pass through the input channel that the extension line inserted detection device, can be surveyed voltage to each and go on detecting respectively and showing easy operation, aero.
Description
Technical field
This utility model belongs to the automatically controlled technical field of measurement and test of fixed frequency air conditioner, relates generally to a kind of fixed frequency air conditioner electric-controlled plate experiment detection device.
Background technology
Test specimen need to be put in airtight proof box when carrying out Reliability Enhancement Testing to fixed frequency air conditioner indoor set is automatically controlled.Process of the test needs sample state is monitored in real time, mainly monitor the voltage exporting change of each load, and judge whether test specimen breaks down according to magnitude of voltage change.But because test casing is airtight, each road output voltage can not detect in real time, can only test complete or break down phenomenon time just open chamber door sample checked, this not only brings great inconvenience to process of the test, also judges to cause bigger interference to result of the test.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of real-time testing and the fixed frequency air conditioner electric-controlled plate experiment detection device of display test structure.
This utility model solves the fixed frequency air conditioner electric-controlled plate experiment detection device that its technical problem adopts, input channel is detected including DC voltage, alternating voltage detection input channel, DC voltage detection module, alternating voltage detection module, DC voltage display module and alternating voltage display module, described DC voltage detection input channel is connected with described DC voltage detection module, described DC voltage detection module is connected with described DC voltage display module, described alternating voltage detection input channel is connected with described alternating voltage detection module, described alternating voltage detection module is connected with described alternating voltage display module.
It is further, described DC voltage detection input channel and alternating voltage detection input channel all have multiple, described DC voltage detection input channel is connected with described DC voltage detection module by direct current channel handover module, and described alternating voltage detection input channel is connected with described alternating voltage detection module by communication channel handover module.
Further, also including current channel display module, described current channel display module is for showing the passage of current connection, and described direct current channel handover module and communication channel handover module are all connected with described current channel display module.
Further, the peripheral cooperation of described DC voltage detection module and alternating voltage detection module adds rectification circuit, bleeder circuit, adjustable reference potential circuit and circuit for generating negative voltage.
It is further, described direct current channel handover module includes multiple relay, enumerator, drive circuit, decoding circuit and direct current channel switching key, and described communication channel handover module includes multiple relay, enumerator, drive circuit, decoding circuit and communication channel switching key.
Further, described DC voltage display module and alternating voltage display module all adopt four eight segment numeral pipes.
Further, four eight segment numeral pipes all adopt common anode charactron, and two four eight segment numeral pipes are connected with the Nixie tube drive circuit of DC voltage detection module and alternating voltage detection module respectively.
Further, described DC voltage detection input channel has 3, and described alternating voltage detection input channel has 9.
Further, described communication channel switching key sets 3 altogether, and respectively communication channel reset key, communication channel increase button and communication channel minimizing button.
Further, between described enumerator and direct current channel switching key, between enumerator and communication channel switching key, there is single-shot trigger circuit, between enumerator with single-shot trigger circuit, be connected phase inverter.
The beneficial effects of the utility model are: owing to being provided with DC voltage detection input channel and alternating voltage detection input channel, tested voltage signal only need to be accessed the input channel of detecting device by extended line, each tested voltage can be detected respectively and shows, simple to operate, visual result.
Accompanying drawing explanation
Fig. 1 is attachment structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.At this it should be noted that be adapted to assist in for the explanation of these embodiments and understand this utility model, but it is not intended that restriction of the present utility model.
As shown in Figure 1, this utility model includes DC voltage detection input channel, alternating voltage detection input channel, DC voltage detection module, alternating voltage detection module, DC voltage display module and alternating voltage display module, described DC voltage detection input channel is connected with described DC voltage detection module, described DC voltage detection module is connected with described DC voltage display module, described alternating voltage detection input channel is connected with described alternating voltage detection module, and described alternating voltage detection module is connected with described alternating voltage display module.During enforcement, sample measured point in close test case is drawn outside proof box by extended line, and access DC voltage detection input channel and the alternating voltage detection input channel of detecting device, each tested voltage can be carried out detection respectively and be shown respectively by DC voltage display module and alternating voltage display module, have simple to operate, the advantage of visual result.
Specifically, in order to enable to detect multiple voltage output situation in real time, described DC voltage detection input channel and alternating voltage detection input channel all have multiple, described DC voltage detection input channel is connected with described DC voltage detection module by direct current channel handover module, and described alternating voltage detection input channel is connected with described alternating voltage detection module by communication channel handover module.During enforcement, each measured point of the sample in close test case is drawn outside proof box by extended line.
Specifically, in order to be able to show current detection passage, this utility model also includes current channel display module, and described current channel display module is for showing the passage of current connection, and described direct current channel handover module and communication channel handover module are all connected with described current channel display module.Current channel display module can show current detected input channel intuitively.
Specifically, the peripheral cooperation of described DC voltage detection module and alternating voltage detection module adds rectification circuit, bleeder circuit, adjustable reference potential circuit and circuit for generating negative voltage.It is capable of the real-time monitoring to DC voltage and ac voltage by this circuit, and the range of detection module can be regulated as required.
Specifically, described direct current channel handover module includes multiple relay, enumerator, drive circuit, decoding circuit and direct current channel switching key, and described communication channel handover module includes multiple relay, enumerator, drive circuit, decoding circuit and communication channel switching key.It is capable of a detection module by this structure multichannel to be inputted measured signal and monitor in real time, it is possible to reduce the design and manufacture cost of detecting device.
Specifically, described DC voltage display module and alternating voltage display module all adopt four eight segment numeral pipes.Can showing tested magnitude of voltage more accurately, ac high-voltage signal can be accurate to one decimal place, and DC low-voltage signal can be accurate to 2 significant digits.
Specifically, four eight segment numeral pipes all adopt common anode charactron, and two four eight segment numeral pipes are connected with the Nixie tube drive circuit of DC voltage detection module and alternating voltage detection module respectively.The tested voltage signal values of display that so can be real-time, stable.
Specifically, between described enumerator and direct current channel switching key, between enumerator and communication channel switching key, there is single-shot trigger circuit, between enumerator with single-shot trigger circuit, be connected phase inverter.Adopt single-shot trigger circuit structure can eliminate input key shake, make detecting device use more stable.The addition of phase inverter then can realize the two-way counting of enumerator, makes detecting device use more convenient.
During practice, each measured point of the sample in close test case is drawn outside proof box by extended line, and respectively the both positive and negative polarity of DC low-voltage is accessed with ac high-voltage fire zero line with plug socket DC voltage detection input channel corresponding to detecting device, alternating voltage detection input channel.One end of a relay in each DC voltage detection input channel, alternating voltage detection input channel corresponding connection direct current channel handover module or communication channel handover module, the other end of each relay is connected on DC voltage detection module or alternating voltage detection module.Meanwhile, relay is connected to direct current channel switching key or communication channel switching key further through circuit such as drive circuit, decoding circuit, phase inverters.When direct current channel switching key or communication channel switching key are pressed, push button signalling is decoded as a certain channel conductive signal of correspondence by decoding circuit, and this signal is sent into drive circuit.Drive circuit drives a certain corresponding relay conducting according to signal, then the tested voltage of corresponding input channel is accessed DC voltage detection module or alternating voltage detection module carries out magnitude of voltage detection and shows.Simultaneously, each DC voltage detection input channel light emitting diode corresponding to alternating voltage detection input channel, when a certain DC voltage detects input channel or alternating voltage detection input channel accesses DC voltage detection module or alternating voltage detection module, corresponding light emitting diode is lit, for showing the tested passage of current connection.
Embodiment
The present embodiment sets DC voltage detection input channel 3 road and alternating voltage detection input channel 9 tunnel altogether.When each detecting device starts, predetermined DC voltage detection input channel 1 and alternating voltage detection input channel 1 access DC voltage detection module and alternating voltage detection module respectively through direct current channel handover module and communication channel handover module, now, the group of four figures pipe of DC voltage display module and alternating voltage display module shows DC voltage detection input channel 1 and the tested magnitude of voltage of alternating voltage detection input channel 1 respectively, the light emitting diode that simultaneously two passages are corresponding is lit, indicating currently displaying magnitude of voltage is DC voltage detection input channel 1 and the tested magnitude of voltage of alternating voltage detection input channel 1.When pressing direct current channel switching key, DC voltage then detects input channel 1 disconnect from DC voltage detection module and DC voltage detects input channel 2 simultaneously access DC voltage detection module, the tested magnitude of voltage detecting input channel 2 access for DC voltage of now DC voltage display numeral method, it is DC voltage detection input channel 2 that the light emitting diode of input channel 2 correspondence of DC voltage detection simultaneously lights the tested passage indicating access.In like manner, tested DC voltage detection input channel 3 is then accessed when again pressing direct current channel switching key, again press, return to DC voltage detection input channel 1, by switching key cyclic switching between 3 input channels, can respectively the 3 tested magnitudes of voltage of road direct current be monitored in real time.Comparing, communication channel switching key sets 3 altogether, and respectively communication channel reset key, communication channel increase button and communication channel minimizing button.When pressing communication channel and increasing button, the alternating voltage detection input channel of incoming transport voltage detection module is switched to No. 2 by No. 1, the tested magnitude of voltage that No. 2 alternating voltage detection input channels of alternating voltage display numeral method access, the charactron of corresponding No. 2 alternating voltages detection input channel is lit, by that analogy, input channel can be detected from No. 1 alternating voltage and be sequentially switched to No. 9 alternating voltage detection input channels；Similar, reducing button when pressing communication channel, then the alternating voltage detection input channel of incoming transport voltage detection module reduces No. 1, can detect input channel from No. 9 alternating voltages successively and switch to No. 1 alternating voltage detection input channel；When pressing communication channel reset key, the relay of all alternating voltages detection input channel handover module disconnects, and does not now then have the tested voltage of any alternating voltage detection input channel by communication channel handover module incoming transport voltage detection module.Use these three button can detect at 9 alternating voltages freely to switch between input channel, can respectively 9 road alternating voltage measured signals be monitored in real time.
Claims (10)
1. fixed frequency air conditioner electric-controlled plate experiment detection device, it is characterized in that: include DC voltage detection input channel, alternating voltage detection input channel, DC voltage detection module, alternating voltage detection module, DC voltage display module and alternating voltage display module, described DC voltage detection input channel is connected with described DC voltage detection module, described DC voltage detection module is connected with described DC voltage display module, described alternating voltage detection input channel is connected with described alternating voltage detection module, described alternating voltage detection module is connected with described alternating voltage display module.
2. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 1, it is characterized in that: described DC voltage detection input channel and alternating voltage detection input channel all have multiple, described DC voltage detection input channel is connected with described DC voltage detection module by direct current channel handover module, and described alternating voltage detection input channel is connected with described alternating voltage detection module by communication channel handover module.
3. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 2, it is characterized in that: also include current channel display module, described current channel display module is for showing the passage of current connection, and described direct current channel handover module and communication channel handover module are all connected with described current channel display module.
4. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 1, it is characterised in that: the peripheral cooperation of described DC voltage detection module and alternating voltage detection module adds rectification circuit, bleeder circuit, adjustable reference potential circuit and circuit for generating negative voltage.
5. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 1, it is characterized in that: described direct current channel handover module includes multiple relay, enumerator, drive circuit, decoding circuit and direct current channel switching key, and described communication channel handover module includes multiple relay, enumerator, drive circuit, decoding circuit and communication channel switching key.
6. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 1, it is characterised in that: described DC voltage display module and alternating voltage display module all adopt four eight segment numeral pipes.
7. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 6, it is characterized in that: four eight segment numeral pipes all adopt common anode charactron, two four eight segment numeral pipes are connected with the Nixie tube drive circuit of DC voltage detection module and alternating voltage detection module respectively.
8. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 3, it is characterised in that: described DC voltage detection input channel has 3, and described alternating voltage detection input channel has 9.
9. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 5, it is characterised in that: described communication channel switching key sets 3 altogether, and respectively communication channel reset key, communication channel increase button and communication channel minimizing button.
10. fixed frequency air conditioner electric-controlled plate experiment detection device according to claim 5, it is characterized in that: between described enumerator and direct current channel switching key, between enumerator and communication channel switching key, have single-shot trigger circuit, between enumerator with single-shot trigger circuit, be connected phase inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083676.6U CN205374576U (en) | 2016-01-27 | 2016-01-27 | Automatically controlled board test device of fixed frequency air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083676.6U CN205374576U (en) | 2016-01-27 | 2016-01-27 | Automatically controlled board test device of fixed frequency air conditioner |
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| CN205374576U true CN205374576U (en) | 2016-07-06 |
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| CN201620083676.6U Expired - Fee Related CN205374576U (en) | 2016-01-27 | 2016-01-27 | Automatically controlled board test device of fixed frequency air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817403A (en) * | 2017-10-31 | 2018-03-20 | 惠州鼎宝金属制品有限公司 | A kind of fault detection system for oven |
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2016
- 2016-01-27 CN CN201620083676.6U patent/CN205374576U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817403A (en) * | 2017-10-31 | 2018-03-20 | 惠州鼎宝金属制品有限公司 | A kind of fault detection system for oven |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20220127 |