CN201130107Y - Air conditioner detecting device - Google Patents
Air conditioner detecting device Download PDFInfo
- Publication number
- CN201130107Y CN201130107Y CNU2007201581534U CN200720158153U CN201130107Y CN 201130107 Y CN201130107 Y CN 201130107Y CN U2007201581534 U CNU2007201581534 U CN U2007201581534U CN 200720158153 U CN200720158153 U CN 200720158153U CN 201130107 Y CN201130107 Y CN 201130107Y
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- Prior art keywords
- pick
- driving circuit
- button
- premises station
- extension line
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- Expired - Lifetime
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Abstract
The utility model discloses an air conditioner detecting device, which comprises a nixie tube, a drive circuit which drives the nixie tube and a key circuit which is used to send an inquiry signal or a parameter setting signal to an outdoor unit processor of an air conditioner. The detecting device sends the inquiry signal or the parameter setting signal to the outdoor unit processor of the air conditioner through the key circuit and then receives detecting result information which is fed back by outdoor unit processor, detecting results are displayed through the nixie tube, thereby, technical personnel can judge faults through observing the displayed content of the nixie tube or human observe and record the operating condition after the air conditioner carries out corresponding setting parameters, which enables failure determination and whole machine testing process to be easier and rapider, and thereby the device is beneficial for increasing the detecting and maintenance efficiency to the air conditioner.
Description
Technical field
The utility model belongs to air-conditioning and Refrigeration Engineering technical field, specifically, relates to a kind of pick-up unit of air conditioner.
Background technology
In the exploitation experimental verification process of family expenses air conditioner, be the checking machine performance, the operational factor that often needs to gather off-premises station.For example: early stage, the noise test of complete machine was exactly to be input as rated voltage, rated frequency by adjusting power supply, treat that operating mode is stable after, open air conditioner to be measured, the air conditioner extraordinary noise that do not have when using moves and measures after 30 minutes; The per 5 minutes values of reading once, continuous 7 times; Get its mean value of 7 times as test findings; Its test process is single, can not embody the noise situations under the transducer air conditioning different frequency working condition.
Simultaneously, in the actual life, the after sale service personnel can only be with reference to the miscue content of indoor set when user family overhauls, and the after sale service personnel rely on the experience of self to judge it is why to hinder then, so just bigger subjectivity and the uncertainty of existence.
Therefore, need a kind of device that can detect air conditioner easily.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of can make things convenient for the apparatus for examination and repair that exactly air conditioner is detected.
In order to solve the problems of the technologies described above, the utility model proposes a kind of air conditioner pick-up unit, comprise charactron, drive the driving circuit of this charactron, and in order to send the key circuit of request signal or setting parameter signal to the off-premises station processor of described air conditioner.
Wherein, the data input pin of described driving circuit connects the data extension line, to be connected the video data that communication obtains charactron with described off-premises station processor.The input end of clock of described driving circuit, removing end connect the clock extension line respectively and remove extension line, obtain clock signal and clear signal to be connected with described off-premises station processor.The power end of described driving circuit connects power outlet, to be connected with direct supply in the described off-premises station, for the pick-up unit internal circuit provides working power.
Further, each segment encode output terminal of described driving circuit connects the corresponding segment encode pin of charactron separately by a resistance.
Further again, the button two ends cross-over connection of described key circuit is between ground and button extension line, connect the control signal input pin of described off-premises station processor by the button extension line, when button is closed, trigger request signal or setting parameter signal by output low level.
Certainly, the button two ends of described key circuit also can cross-over connection between direct supply and button extension line, connect the control signal input pin of described off-premises station processor by the button extension line, when button is closed, trigger request signal or setting parameter signal by the output high level.Described direct supply is the working power of introducing by air-conditioner outdoor unit, i.e. the working power of introducing by described power outlet.
Wherein, described button comprises three, connects the IO pin of described off-premises station processor by the button extension line, receives high or low level triggers signal.
Further again, in described pick-up unit, comprise 3 charactrons, the bits per inch sign indicating number is managed corresponding one group of described driving circuit; In described three groups of driving circuits, the input end of first driving circuit receives the video data of charactron by the data-signal output pin of the described off-premises station processor of lead-in wire connection; The input end of second driving circuit connects the highest segment encode output terminal of first driving circuit; The input end of the 3rd driving circuit connects the highest segment encode output terminal of second driving circuit.
Further, be connected with interface, connect the communication port of air-conditioner outdoor unit by described interface at the end of each extension line of described pick-up unit.
Compared with prior art, advantage of the present utility model and good effect are: the utility model sends request signal or parameter signalization (the different operating frequency for example is set) by key circuit to the air-conditioner outdoor unit processor, receive the testing result information of off-premises station processor feedback then, and testing result is shown by charactron.Like this, the displaying contents of technician by observing charactron can the failure judgement place or manual observation record air conditioner carry out ruuning situation after the relative set parameter, make fault judgement and the system test process simple and fast more that becomes.
Description of drawings
Fig. 1 is the circuit theory diagrams of an embodiment of the air conditioner pick-up unit that proposes of the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
At first, brief description principle of the present utility model.Behind the MCU of pick-up unit of the present utility model in being connected to air-conditioner outdoor unit,, and send setup parameter to the MCU of described off-premises station by the request signal of key circuit triggering to complete machine; Off-premises station MCU just drives charactron output demonstration with Query Result by the charactron driving circuit after receiving described request signal and described setup parameter.Turn round under relevant parameters if air conditioner is then controlled in the setting of parameter, just can observe the failure code of air conditioner so easily by charactron, the testing staff also can observe the working order under different parameters easily.
With reference to figure 1, illustrate the circuit theory diagrams of an embodiment of the air-conditioner outdoor unit pick-up unit that the utility model proposes.As shown in the figure, comprise IC1, IC2, IC3, LED1, LED2, LED3, S1, S2, S3.
IC1, IC2 and IC3 are for realizing the charactron chip for driving of string and conversion, the corresponding respectively corresponding segment encode pin A～H that connects charactron LED1, LED2, LED3 of its segment encode output terminal QA～QH; Preferably, each segment encode output terminal all connects the corresponding segment encode pin of described charactron LED1, LED2, LED3 by a resistance (among R1～R24 one), drives better realizing.Wherein, data input pin A, the B of IC1 connect the data extension line, are connected with the MCU of off-premises station with convenient, realize data communication, thereby obtain the video data of charactron LED1, LED2, LED3; Data input pin A, the B of IC2 then connects the QH segment encode output terminal of IC1, to obtain the video data of charactron LED2 and/or LED3; Data input pin A, the B of IC3 connects the QH segment encode output terminal of IC2, to obtain the video data of charactron LED3.
The end of described button S1, S2, S3 all is connected in ground wire, and the other end is connected to three control signal input pins of described off-premises station MCU respectively by the button extension line, for example its IO pin etc. triggers described off-premises station MCU by the output low level signal and carries out corresponding operation.Described ground wire can connect air-conditioner outdoor unit systematically by ground outlet, with realize this pick-up unit when off-premises station is detected can with the off-premises station internal circuit altogether, and then guarantee the stability of pick-up unit internal circuit operation.
Certainly, described button S1, S2, S3 also can be connected across between direct supply and the button extension line, trigger described off-premises station MCU by the output high level signal and carry out corresponding operation.Wherein, described direct supply can be an independent current source built-in in the pick-up unit, such as dry cell; It also can be the working power of from outside or air-conditioner outdoor unit, introducing.
In the present embodiment, preferably quote the air-conditioner outdoor unit power supply and provide operating voltage for the internal circuit of described pick-up unit.So, the power end Vcc of IC1, IC2, IC3 can by power outlet receive from air-conditioner outdoor unit output+the 5V direct supply, for its work provides electric energy.The input end of clock CLK of IC1, IC2, IC3 and removing end CLR are connected to the signal source of clock of air-conditioner outdoor unit and the clear signal output pin of off-premises station MCU by clock extension line and removing extension line respectively, thereby are controlled by the MCU of described off-premises station.
Therefore, in the present embodiment, described air conditioner pick-up unit is drawn eight extension lines altogether, comprise power outlet, clock extension line, data extension line, remove extension line, ground outlet and with three button extension lines of described three button S1, S2, the corresponding connection of S3.Described pick-up unit is pegged graft with air-conditioner outdoor unit and is communicated by letter for convenience, end at described eight extension lines connects an interface CON1, in described interface CON1, include 8 pins at least, respectively with the corresponding connection of described eight extension lines, when needs detect air-conditioner outdoor unit, only need described interface CON1 is connected on the reservation communication port of off-premises station and get final product.
In another embodiment of the present utility model, described air-conditioner outdoor unit pick-up unit comprises double figures sign indicating number pipe, and bits per inch sign indicating number pipe is corresponding to be connected with one group of driving circuit, and its concrete connected mode can be with reference to embodiment illustrated in fig. 1.In addition, also comprise two buttons, its connected mode also can be analogous to embodiment illustrated in fig. 1.Therefore, draw 7 extension lines in the present embodiment altogether to be connected with off-premises station.
In order more to help to understand the utility model, below use of the present utility model is given an example.With embodiment illustrated in fig. 1 is example:
When maintenance, the interface CON1 of this apparatus for examination and repair is plugged on the communication port of reserving on the air-conditioner outdoor unit, press the S1 button separately, i.e. " demonstration selection key ", trigger the operation that described off-premises station MCU control LED1 shows sequence number this moment, when pressing, press " rising button " S2 or " decline button " S3 again, after described off-premises station MCU receives this signal, just the demonstration sequence number of LED1 is added 1 or subtract 1; After unclamping the S1 button, described off-premises station MCU shows the pairing content of this demonstration sequence number according to control LED2 of the demonstration sequence number among the LED1 and LED3.
For example, in the MCU of air-conditioner outdoor unit, define digital X in advance and represent to show that indoor set fault, digital Y represent to show the off-premises station fault; When breaking down in the machine running process, can cooperate with " rising button " S2 or " decline button " S3 by " demonstration selection key " S1 and select to show sequence number.When the demonstration sequence number of adjusting the LED1 charactron was digital X, what LED2 and LED3 charactron were shown was corresponding indoor set failure message code; When adjust showing that sequence number is digital Y, LED2 and LED3 charactron then show corresponding off-premises station failure message code, thus make things convenient for technology or after sale personnel carry out corresponding malfunction elimination.
Show that when adjusting sequence number is 10, then represent the display setting frequency, can come the online complete machine running frequency that is provided with this moment by pressing " rising button " S2 or " decline button " S3 separately, thereby the control air conditioner turns round under different frequency, to obtain corresponding working order information.
Certainly, above disclosed content only is a kind of preferred embodiment of the present utility model, can not limit the interest field of the utility model with this, and the equivalent variations according to the utility model claim is done still belongs to the scope that the utility model is contained.
Claims (10)
1, a kind of air conditioner pick-up unit is characterized in that, comprise charactron, drive the driving circuit of this charactron, and in order to send the key circuit of request signal or setting parameter signal to the off-premises station processor of described air conditioner.
2, pick-up unit according to claim 1 is characterized in that, the data input pin of described driving circuit connects the data extension line, to be connected the video data that communication obtains charactron with described off-premises station processor.
3, pick-up unit according to claim 2 is characterized in that, the input end of clock of described driving circuit, removing end connect the clock extension line respectively and remove extension line, obtains clock signal and clear signal to be connected with described off-premises station processor.
4, pick-up unit according to claim 3 is characterized in that, the power end of described driving circuit connects power outlet, to be connected with direct supply in the described off-premises station.
5, pick-up unit according to claim 4 is characterized in that, each segment encode output terminal of described driving circuit connects the corresponding segment encode pin of charactron separately by a resistance.
6, pick-up unit according to claim 1, it is characterized in that, the button two ends cross-over connection of described key circuit is between ground and button extension line, connect the control signal input pin of described off-premises station processor by the button extension line, when button is closed, trigger request signal or setting parameter signal by output low level.
7, pick-up unit according to claim 1, it is characterized in that, the button two ends cross-over connection of described key circuit is between direct supply and button extension line, connect the control signal input pin of described off-premises station processor by the button extension line, when button is closed, trigger request signal or setting parameter signal by the output high level.
According to claim 7 or 8 described pick-up units, it is characterized in that 8, described button comprises three, connect the IO pin of described off-premises station processor by the button extension line.
9, according to each described pick-up unit in the claim 1 to 7, it is characterized in that, comprise 3 charactrons in described pick-up unit, the bits per inch sign indicating number is managed corresponding one group of described driving circuit; In described three groups of driving circuits, the input end of first driving circuit receives the video data of charactron by the data-signal output pin of the described off-premises station processor of lead-in wire connection; The input end of second driving circuit connects the highest segment encode output terminal of first driving circuit; The input end of the 3rd driving circuit connects the highest segment encode output terminal of second driving circuit.
10, pick-up unit according to claim 9 is characterized in that, is connected with interface at the end of described each extension line, connects the communication port of air-conditioner outdoor unit by described interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201581534U CN201130107Y (en) | 2007-11-30 | 2007-11-30 | Air conditioner detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201581534U CN201130107Y (en) | 2007-11-30 | 2007-11-30 | Air conditioner detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130107Y true CN201130107Y (en) | 2008-10-08 |
Family
ID=40017967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201581534U Expired - Lifetime CN201130107Y (en) | 2007-11-30 | 2007-11-30 | Air conditioner detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130107Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292412A (en) * | 2012-02-22 | 2013-09-11 | 珠海格力电器股份有限公司 | Clock control method of air-conditioning system and air-conditioning system |
| CN105972767A (en) * | 2016-05-26 | 2016-09-28 | 珠海格力电器股份有限公司 | Air-conditioner fault diagnosis method and device |
| CN110211524A (en) * | 2019-06-04 | 2019-09-06 | 格力电器（郑州）有限公司 | The charactron automatic displaying method and device of adjustable speed |
-
2007
- 2007-11-30 CN CNU2007201581534U patent/CN201130107Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292412A (en) * | 2012-02-22 | 2013-09-11 | 珠海格力电器股份有限公司 | Clock control method of air-conditioning system and air-conditioning system |
| CN103292412B (en) * | 2012-02-22 | 2015-09-30 | 珠海格力电器股份有限公司 | The clock control method of air-conditioning system and air-conditioning system |
| CN105972767A (en) * | 2016-05-26 | 2016-09-28 | 珠海格力电器股份有限公司 | Air-conditioner fault diagnosis method and device |
| CN110211524A (en) * | 2019-06-04 | 2019-09-06 | 格力电器（郑州）有限公司 | The charactron automatic displaying method and device of adjustable speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |