CN212299334U - Test equipment for driving box of split internal machine of air conditioner - Google Patents
Test equipment for driving box of split internal machine of air conditioner Download PDFInfo
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- CN212299334U CN212299334U CN202021441437.6U CN202021441437U CN212299334U CN 212299334 U CN212299334 U CN 212299334U CN 202021441437 U CN202021441437 U CN 202021441437U CN 212299334 U CN212299334 U CN 212299334U
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- 238000012360 testing method Methods 0.000 title claims abstract description 218
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- 230000008569 process Effects 0.000 claims abstract description 8
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- 238000004378 air conditioning Methods 0.000 description 3
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Abstract
The application relates to a test device for a drive box of a split internal machine of an air conditioner, which comprises a test frame and a test box, wherein the test frame is connected with the test box and is used for setting a drive box group; the control instruction is used for controlling each driving box in the driving box group to execute the operation and retraction action of the connecting rod; and collecting motor operation signals of the drive box in the process of executing the connecting rod operation and the retraction action, outputting a synchronous test result of the drive box group to realize the synchronous test of the drive box of the split air conditioner indoor unit, and timely finding out when the motors of the drive boxes in the drive box group are asynchronous so as to avoid the untight closure of the air deflector and improve the operation reliability of the split air conditioner indoor unit.
Description
Technical Field
The application relates to the technical field of electronic equipment testing, in particular to testing equipment for a driving box of a split internal machine of an air conditioner.
Background
The air conditioning unit is an air treatment device assembled by various air treatment functional sections, along with the development of science and technology and the improvement of society, the types and the functions of the air conditioning unit are more and more diversified, and the air conditioning unit plays an increasingly important role in daily life and work of people.
The air deflector of the indoor unit of the split air conditioner is controlled by the driving box in an opening and closing mode, the left driving box and the right driving box can guarantee the consistency of the opening and closing of the air deflector only by motor synchronization, otherwise, the air deflector cannot be closed tightly, and customer complaints are caused. How to detect whether the driving of the driving box of the indoor unit of the split air conditioner is synchronous is very important for ensuring the normal operation of the air conditioner.
SUMMERY OF THE UTILITY MODEL
Therefore, the test equipment for the driving box of the split air conditioner indoor unit, which can realize the synchronism test of the driving box of the split air conditioner indoor unit, is necessary to solve the problem that the air deflector is not tightly closed due to the fact that motors of the left driving box and the right driving box of the split air conditioner indoor unit are not synchronous.
A test device for a drive box of a split internal machine of an air conditioner comprises a test frame and a test box, wherein the test frame is connected with the test box and is used for arranging a drive box group, the test box is connected with the drive box group,
the test box receives the test configuration parameters and outputs a control instruction to a drive box group of the split internal machine of the air conditioner; the control instruction is used for controlling each driving box in the driving box group to execute the operation and retraction action of the connecting rod; and collecting motor operation signals in the process of executing the connecting rod operation and the retraction action by the driving box, and outputting a synchronous test result of the driving box group.
In one embodiment, the test jig comprises a support frame, a fixing frame and a detection travel switch, the support frame is provided with a placing mold for placing the drive box group, the fixing frame is arranged on the support frame and used for fixing the drive box group, and the detection travel switch is arranged on the support frame and connected with the test box.
In one embodiment, the support frame is further provided with a U-shaped groove, and the detection travel switch is arranged in the U-shaped groove.
In one embodiment, the detection travel switch is a microswitch group.
In one embodiment, the test box comprises a test mainboard, a plug pin socket, a control screen and a test button, the test mainboard is connected with the control screen, the test button and the drive box set, and the test mainboard is connected with the detection travel switch through the plug pin socket.
In one embodiment, the number of the drive box groups is more than two, the number of the test main board and the test buttons is the same as that of the drive box groups, and the number of the detection travel switches is the same as that of the drive box groups; one of the test main boards is connected with the control screen and other test main boards, and each test main board is respectively connected with a corresponding test button, a detection travel switch and a drive box group.
In one embodiment, the test buttons include a start button and a stop button connected to the test motherboard.
In one embodiment, the test box further comprises a dc power supply, and the dc power supply is connected to the test motherboard.
In one embodiment, the test box further comprises a power switch, the power switch is connected with the direct current power supply, and the power switch is used for connecting external alternating current to the direct current power supply when being closed.
In one embodiment, the test box further comprises an indicator light connected with the test main board.
According to the test equipment for the drive box of the split air conditioner indoor unit, the test box outputs a control instruction to the drive box group of the split air conditioner indoor unit according to the received test configuration parameters, the drive boxes in the drive box group of the test frame are controlled to execute the operation and retraction of the connecting rods, motor operation signals in the process of executing the operation and retraction of the connecting rods by the drive boxes are collected, the synchronous test result of the drive box group is obtained according to the analysis of the motor operation signals, the synchronous test on the drive box of the split air conditioner indoor unit is realized, the condition that the air deflector is not tightly closed can be timely found when the motors of the drive boxes in the drive box group are not synchronous, and the operation reliability of the split air conditioner indoor unit is improved.
Drawings
FIG. 1 is a block diagram of an embodiment of a device for driving a box of an indoor unit of a split type air conditioner;
FIG. 2 is a schematic diagram of an embodiment of a test cartridge;
FIG. 3 is a schematic diagram of the structure of the test cartridge in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, the test equipment for the drive cassettes of the split internal unit of the air conditioner, as shown in fig. 1, comprises a test rack 100 and test cassettes 200, wherein the test rack 100 is connected with the test cassettes 200, the test rack 100 is used for arranging a set of drive cassettes, and the test cassettes 200 are connected with the set of drive cassettes. The test box 200 receives the test configuration parameters and outputs a control instruction to a drive box group of the split internal machine of the air conditioner; the control instruction is used for controlling each driving box in the driving box group to execute the operation and retraction action of the connecting rod; and collecting motor operation signals in the process of executing the connecting rod operation and the retraction action by the driving box, and outputting a synchronous test result of the driving box group. The test box 200 may output the synchronous test result to a display screen for displaying, may transmit the synchronous test result through a data interface, and may transmit the synchronous test result to a memory for storing.
Specifically, the test box 200 can be connected with the drive box group to receive the test configuration parameters and output corresponding control instructions to the drive box group, so that the motors of the drive boxes are controlled to rotate, and the motor gears drive the connecting rods to operate and retract. The test configuration parameters may include model data, step number difference, and the like. The driving box group specifically comprises a left driving box and a right driving box which are used for controlling the opening and closing of the air deflector of the internal machine, the testing box 200 can pre-store testing programs corresponding to the internal machines of different types, after the type of the internal machine to be tested is determined currently, the corresponding testing programs are called to output control instructions to the driving box group of the split internal machine of the air conditioner, the motors of the two driving boxes are controlled to drive the connecting rods to move, and the opening state of the wind shield of the internal machine of the air conditioner is simulated. The test jig 100 is correspondingly provided with a detection travel switch for each drive box, the position of the detection travel switch is consistent with the position of the air conditioner, and the actual position of the drive box in the air conditioner and the internal operation state of the air conditioner are simulated. When the connecting rod touches the detection travel switch, the air conditioner is in a completely opened state, the detection travel switch feeds back a signal to the test box 200, the test box 200 records the connecting rod position points of the left and right driving boxes, and then the motor of the driving box is controlled to drive the connecting rod to retract, so that the closing of an air deflector of an air conditioner indoor unit is simulated.
In the process of executing the connecting rod operation and the retraction action by the driving box, the testing box 200 collects the motor operation signal of the driving box, calculates the operation steps for comparison and analysis, obtains the synchronous testing result of the driving box group, and finishes the judgment of the synchronism of the driving box.
According to the test equipment for the drive box of the split internal machine of the air conditioner, the test box 200 outputs a control instruction to the drive box group of the split internal machine of the air conditioner according to the received test configuration parameters, each drive box in the drive box group of the test frame is controlled to execute the operation and retraction actions of the connecting rod, and a tester can input the test configuration parameters according to the internal machines of different types, so that the test of the drive box group of the internal machines of different types is realized. The synchronous testing result of the driving box group is obtained by collecting the motor running signal of the driving box in the process of executing the connecting rod running and retracting action and analyzing the motor running signal, so that the synchronous testing of the driving box of the split air conditioner indoor unit is realized, the motor of the driving box in the driving box group can be found out in time when not synchronous, the condition that the air deflector is not closed tightly is avoided, and the running reliability of the split air conditioner indoor unit is improved.
In one embodiment, the test box 200 converts the operation analog pulse signal into a digital signal, and compares the number of the link steps of each driving box in the driving box group according to the digital signal to obtain a difference value of the number of the link operation steps; and obtaining a synchronous test result of the driving box group according to the difference value of the number of the connecting rod operation steps and a preset threshold value.
Specifically, the test box 200 records the operation analog pulse signal of the motor in the drive box, converts the operation analog pulse signal into a digital signal step number, compares and judges the connecting rod step numbers of the left and right drive boxes, and when the difference between the left connecting rod operation step number and the right connecting rod operation step number is not greater than a preset threshold value, the baffle of the air conditioner indoor unit can be completely opened and completely closed. When the difference value between the operation step number of the left connecting rod and the operation step number of the right connecting rod is larger than a preset threshold value, the phenomenon that a certain motor is damaged or out of step occurs is shown, and the air deflector in the air conditioner cannot be completely opened or closed. The specific value of the preset threshold is not unique and can be adjusted according to actual requirements. In this embodiment, the preset threshold is 150 steps.
In one embodiment, the test box 200 further outputs a corresponding prompt message according to the synchronous test result.
Specifically, if the difference between the operation step number of the left connecting rod and the operation step number of the right connecting rod is not greater than a preset threshold, the synchronous test of the driving box is qualified, and when the difference between the operation step number of the left connecting rod and the operation step number of the right connecting rod is greater than the preset threshold, the synchronous test of the driving box is unqualified. When the synchronous test result is that the synchronous test of the drive box is qualified, the test box 200 may display a qualified prompt message through the control screen. When the synchronous test result is that the synchronous test of the driving box is unqualified, the test box 200 can display unqualified information through the control screen, and can also control the buzzer to sound for alarming so that a tester can know.
In addition, the test cartridge 200 controls the drive cartridge group to stop when receiving the stop command. When poor connection contact or other abnormalities occur in the test process, a tester can press the stop button to send a stop instruction so as to terminate the test, and the test safety is improved.
Specifically, in one embodiment, as shown in fig. 1, the test rack 100 includes a support frame 102, a fixing frame 104 and a detection travel switch 106, the support frame 102 is provided with a placing mold 108 for placing the driving box set, the fixing frame 104 is provided on the support frame 102 for fixing the driving box set, and the detection travel switch 106 is provided on the support frame 102 and connected to the test box 200. The test box 200 outputs a control instruction to the drive box group according to the test configuration parameters input by the user, controls the motor of each drive box to rotate, and drives the connecting rod to operate by the motor gear to simulate the opening state of the wind shield of the air conditioner internal unit. When the connecting rod touches the detection travel switch 106, the air conditioner is in a completely opened state, the detection travel switch 106 feeds back a signal to the test box 200, the test box 200 records the position points of the left connecting rod and the right connecting rod, and then the motor of the driving box is controlled to drive the connecting rod to retract, so that the closing of an air deflector of an indoor unit of the air conditioner is simulated. After one cycle of reciprocating, the test box 200 records the step number of converting the motor operation analog pulse signal into a digital signal, and compares and judges according to the step numbers of the connecting rods of the left and right driving boxes. In one embodiment, the supporting frame 102 further defines a U-shaped groove, and the detecting travel switch 106 is disposed in the U-shaped groove. The detection travel switch 106 is fixed in a U-shaped groove for adjustment, so that the adjustment of positions of different machine types can be met, and the actual position of the driving box in the air conditioner can be simulated.
In one embodiment, as shown in fig. 1 and fig. 2, the test cartridge 200 includes a test main board 202, a receptacle 204, a control panel 206, and test buttons, the test main board 202 is connected to the control panel 206, the test buttons, and the drive cartridge, and the test main board 202 is connected to the detection travel switch 106 through the receptacle 204. The detection travel switch 106 may specifically employ a micro switch set including left and right micro switches for detecting the left and right drive cartridges.
The control screen 206 can select a touch display screen, and a user can write different test programs according to different models through the control screen 206 and save the test programs in the test main board 202 in a model name. During actual testing, a user inputs testing configuration parameters according to the type of the internal machine to be tested, and switching testing is achieved through manual calling. The user may also control the test, such as controlling the start and stop of the test, via the test button. Specifically, the test buttons include a start button 209 and a stop button 208 for connecting the test main board 202.
The test motherboard 202 correspondingly outputs a control instruction to control the operation of the connecting rod of the drive box according to the test configuration parameters and the stored test program, and also converts the recorded motor operation analog pulse signals into digital signal steps and transmits the digital signal steps to the control screen 206 for display. In addition, the test box 200 may further include a buzzer 210 connected to the test main board 202. The test main board 202 can also display qualified or unqualified information through the control screen 206 according to the comparison result of the connecting rod steps of the left and right driving boxes, and when the test result is unqualified, the test main board 202 also controls the buzzer 210 to give out sound for alarm.
In one embodiment, with continued reference to FIG. 2, the test cartridge 200 further includes a DC power supply 211, the DC power supply 211 being connected to the test motherboard 202. Further, the test box 200 further includes a power switch 212, the power switch 212 is connected to the dc power source 211, and the power switch 212 switches an external ac power to the dc power source 211 when closed. The dc power supply 211 is used to convert the external ac power to obtain dc power to supply power to the test motherboard 202, and the user can stop supplying power to the test box 200 by turning off the power switch 212.
In one embodiment, the test cartridge 200 further includes an indicator light coupled to the test motherboard 202. The test motherboard 202 can control the corresponding indicator light to light according to the test result, so that the tester can know the result.
In one embodiment, the number of the drive box groups is more than two, the number of the test mainboard and the test buttons is the same as that of the drive box groups, and the number of the detection travel switches is the same as that of the drive box groups; one of the test main boards is connected with the control screen and other test main boards, and each test main board is respectively connected with the corresponding test button, the detection travel switch and the drive box group.
Specifically, taking the number of the driving box groups as two as an example, the supporting frame 102 is provided with an upper station and a lower station, and each station includes a left placing mold 108 and a right placing mold 108. The left and right driving boxes in each driving box group are respectively arranged on the left and right placing molds 108 of one station of the supporting frame 102 and are fixed by corresponding fixing frames 104, and each driving box is respectively and correspondingly provided with a detection travel switch 106. By mutually communicating one control screen with two test mainboards, 2 sets of independent test programs can be adopted by the control screen 206 to respectively judge the test results of the upper and lower sets of drive box groups.
As shown in fig. 3, the test motherboard includes a motherboard AP1 and a motherboard AP3, and the control panel 206 employs a liquid crystal display AP 2. The test buttons include a station one start button SW1-1, a station one end button SW1-2, a station two start button SW2-1, and a station two end button SW 2-2. The dc POWER supply 211 is a switching POWER supply POWER, and the POWER switch 212 is a ship switch SWS. The opposite plug-pin seat 204 adopts a 12-star opposite plug-pin seat, and comprises a 12-star needle seat and a 12-star opposite connector. The main board AP1 is connected with the main board AP3, the liquid crystal display AP2, the station first start button SW1-1, the station one end button SW1-2 and the left and right driving boxes arranged at the station one, the micro switch group arranged at the corresponding station one is connected with the plug pin seat through the 12 star pair, and the micro switch group is used for testing the left and right driving boxes at the station one. The main board AP3 is connected with a station two start button SW2-1, a station two end button SW2-2 and a left driving box and a right driving box arranged at a station two, and is connected with a micro switch group arranged at a corresponding station two through a 12-star pair needle inserting seat to test the left driving box and the right driving box at the station two. Wherein, every micro-gap switch group is including the left and right micro-gap switch that detects to the left and right drive box in a station, and left micro-gap switch contains left lower, left middle and upper left micro-gap switch, and right micro-gap switch includes right lower, right middle and upper right micro-gap switch, conveniently targets in place the detection to the connecting rod motion. In addition, mainboard AP1 still connects pilot lamp LED1 and pilot lamp LED2, and mainboard AP3 still connects pilot lamp LED3 and pilot lamp LED4, and mainboard AP1 and mainboard AP3 are according to the drive box connecting rod number of steps testing result of corresponding station, and the control is corresponding the pilot lamp and is lighted to remind testing personnel to test qualified or unqualified.
It can be understood that if the number of the movable box groups is more than 3, the supporting frame 102 can be provided with more stations, and the testing box 200 can be additionally provided with a corresponding main board, a testing button and a microswitch group, so that the detection of more driving box groups can be realized.
In order to better understand the above described apparatus for testing a driving cartridge of an air conditioner split internal unit, the following description will be made in detail for the driving cartridge test.
The tester puts the drive box on placing mould 108, calls current tester type through control screen 206, presses start button 209 (a set of drive box above the left side control, a set of drive box below the right side control), and test mainboard 202 controls the motor rotation of drive box, and motor gear drives the connecting rod operation, and the simulation air conditioner internal unit deep bead open mode. When the connecting rod touches the detection travel switch 106, the air conditioner is in a completely opened state, the detection travel switch 106 feeds back a signal to the test mainboard 202, the test mainboard 202 records the position points of the left and right connecting rods, and then the driving box connecting rod is controlled to retract to simulate the closing of an air deflector of an air conditioner indoor unit. After one cycle of reciprocating, the test mainboard 202 records a motor operation analog pulse signal, the motor operation analog pulse signal is converted into a digital signal step number and is transmitted to the display screen, the test mainboard 202 performs comparison judgment by combining the step numbers of the left connecting rod and the right connecting rod, when the difference between the step number of the left connecting rod and the step number of the right connecting rod is not more than 150 steps, the baffle of the air conditioner indoor unit can be completely opened and completely closed, the control screen 206 displays a qualified state, when the difference between the step number of the left connecting rod and the step number of the right connecting rod is more than 150 steps, the phenomenon that a certain motor is damaged or out of step occurs is shown, the air deflector in the air conditioner can not be completely opened or completely closed, when the control screen 206 displays a unqualified state, the buzzer 210 gives an alarm, and when the connection line contact is poor or.
Preparation before testing: and butting according to the codes on the corresponding stations and the connecting lines, and butting the microswitch connecting lines on the test rack 100 with the test tool.
Setting parameters: the left and right keys are displayed on the liquid crystal display screen to select 'parameter setting', and the corresponding model 'ML 2' is selected in the 'model' column. And step number difference value of 150 is selected in the judgment column (if the step number difference value of the left and right driving boxes is larger than the value, a fault is reported). After the parameter setting is finished, firstly pressing an 'affirming' key of the liquid crystal display screen and then pressing an 'quitting' key to return to the operation parameter interface.
And (3) testing operation: the drive box is placed on the test jig 100 and butted against the corresponding test connection line. Pressing the "start" button starts the test (liquid crystal display shows under test). The test result column of the liquid crystal display screen after the test is finished can display 'OK' or 'NG', and a unqualified buzzer can prompt if the liquid crystal display screen is unqualified. If the test is stopped in the middle of the test, an end button can be pressed to stop the test.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A test device for a drive box of a split internal machine of an air conditioner is characterized by comprising a test frame and a test box, wherein the test frame is connected with the test box and is used for arranging a drive box group, the test box is connected with the drive box group,
the test box receives the test configuration parameters and outputs a control instruction to a drive box group of the split internal machine of the air conditioner; the control instruction is used for controlling each driving box in the driving box group to execute the operation and retraction action of the connecting rod; and collecting motor operation signals in the process of executing the connecting rod operation and the retraction action by the driving box, and outputting a synchronous test result of the driving box group.
2. The air conditioner split internal machine driving box testing equipment as claimed in claim 1, wherein the testing jig comprises a supporting frame, a fixing frame and a detection travel switch, the supporting frame is provided with a placing mold for placing the driving box group, the fixing frame is arranged on the supporting frame and used for fixing the driving box group, and the detection travel switch is arranged on the supporting frame and connected with the testing box.
3. The air conditioner split internal machine driving box testing equipment as claimed in claim 2, wherein the supporting frame is further provided with a U-shaped groove, and the detection travel switch is arranged in the U-shaped groove.
4. The air conditioner split internal machine driving box testing device as claimed in claim 2, wherein the detection travel switch is a micro switch set.
5. The air conditioner split internal machine driving box testing device according to claim 2, wherein the testing box comprises a testing main board, a split pin seat, a control screen and a testing button, the testing main board is connected with the control screen, the testing button and the driving box set, and the testing main board is connected with the detection travel switch through the split pin seat.
6. The air conditioner split internal machine driving box testing device according to claim 5, wherein the number of the driving box groups is more than two, the number of the testing main board and the testing buttons is the same as the number of the driving box groups, and the number of the detection travel switches is the same as the total number of the driving boxes; one of the test main boards is connected with the control screen and other test main boards, and each test main board is respectively connected with a corresponding test button, a detection travel switch and a drive box group.
7. The air conditioner indoor unit driving box test apparatus as set forth in claim 5, wherein the test button includes a start button and a stop button connected to the test main board.
8. The air conditioner split internal machine driving box testing device as claimed in claim 5, wherein the testing box further comprises a direct current power supply, and the direct current power supply is connected with the testing main board.
9. The air conditioner split internal machine driving box testing device according to claim 8, wherein the testing box further comprises a power switch, the power switch is connected with the direct current power supply, and when the power switch is closed, external alternating current is connected to the direct current power supply.
10. The air conditioner split internal unit driving box testing device according to claim 5, wherein the testing box further comprises an indicator light connected with the testing main board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021441437.6U CN212299334U (en) | 2020-07-21 | 2020-07-21 | Test equipment for driving box of split internal machine of air conditioner |
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| CN202021441437.6U CN212299334U (en) | 2020-07-21 | 2020-07-21 | Test equipment for driving box of split internal machine of air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780344A (en) * | 2020-07-21 | 2020-10-16 | 格力电器（武汉）有限公司 | Method, device and equipment for testing driving box of split internal machine of air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780344A (en) * | 2020-07-21 | 2020-10-16 | 格力电器（武汉）有限公司 | Method, device and equipment for testing driving box of split internal machine of air conditioner |
| CN111780344B (en) * | 2020-07-21 | 2024-06-18 | 格力电器（武汉）有限公司 | Method, device and equipment for testing driving box of split air conditioner internal machine |
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