CN108107877B - Automatic detection system for air conditioner controller - Google Patents
Automatic detection system for air conditioner controller Download PDFInfo
- Publication number
- CN108107877B CN108107877B CN201810113293.2A CN201810113293A CN108107877B CN 108107877 B CN108107877 B CN 108107877B CN 201810113293 A CN201810113293 A CN 201810113293A CN 108107877 B CN108107877 B CN 108107877B
- Authority
- CN
- China
- Prior art keywords
- detected
- product
- servo motor
- voltage value
- detection
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000003993 interaction Effects 0.000 claims abstract description 7
- 238000013100 final test Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an automatic detection system of an air conditioner controller, which comprises a detection device and a PLC control system electrically connected with each element in the detection device; the detection device comprises a base, a left servo motor, a right servo motor and a lifting cylinder; the PLC control system comprises a man-machine interaction interface and corresponding operation buttons, and is electrically connected with the left servo motor, the right servo motor, the lifting cylinder and the key cylinder respectively. The automatic detection system of the invention has the advantages that the detection process is visual detection, the fan end voltage value, the actuator end voltage value and the backlight current value of all gears are visual, the detection results are dynamically displayed in the main interface display window in real time, and the unqualified items can be inquired through the history inquiry interface, so that the time required for product maintenance is greatly shortened, the detection of all electric properties of the product is completed, the labor intensity is reduced, the workload of personnel is greatly reduced, and the resource utilization rate is improved.
Description
Technical Field
The invention relates to the technical field of air conditioner controller detection, in particular to an automatic detection system of an air conditioner controller.
Background
The automatic detection platform adopts the current most advanced Programmable Logic Controller (PLC) industrial control system as an automatic control means, reasonably plans the inspection steps and inspection flows by combining the functions and the working flows of the inspection products, uses a servo control system to accurately position the gears of the fan knob and the mixed knob, performs interaction and information exchange between the system and a user through an HMI (human-machine interface), and performs data interaction and information exchange between the PLC and the HMI through an RS485 serial pass port.
The conventional air conditioner controller detecting device has the following problems:
1. The traditional air conditioner controller detection equipment can only detect the voltage value of the fan end, and cannot detect the feedback voltage value of the current gear of the fan.
2. The conventional air conditioner controller detection equipment cannot detect the voltage value in the rotation process of the hybrid actuator and the current gear feedback voltage value.
3. The conventional air conditioner controller detecting device cannot detect the voltage value in the rotating process of the mode actuator and feed back the voltage value of the current gear.
4. The conventional air conditioner controller detecting device cannot detect the voltage value during the rotation of the internal and external circulation actuator.
5. The conventional air conditioner controller detecting device cannot detect the current value when the backlight operates.
6. The traditional air conditioner controller detection equipment is manual detection, and for the problem that terminal voltage still exists after an actuator stops running, detection cannot be carried out, so that unqualified products flow into a warehouse and are sent to a client, and after-sale problem is caused.
7. The traditional air conditioner controller detection equipment is manual detection, and related function judgment can be carried out only by manually operating a knob and a key on the air conditioner controller in the detection process. Because of the large number of detection products, after a period of manual inspection work, fatigue is easy to appear, so that the inspection efficiency is low, and the detection omission of a certain product function is easy to cause.
Disclosure of Invention
The invention aims to provide an automatic detection system for an air conditioner controller, which reduces the labor intensity of workers, greatly reduces the workload of the workers and improves the resource utilization rate so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic detection system of an air conditioner controller comprises a detection device and a PLC control system electrically connected with each element in the detection device; the detection device comprises a base, a left servo motor, a right servo motor and a lifting cylinder; a product placing box is fixed on the base, and a product pin connector is arranged in the product placing box; guide rods are arranged on two sides of the product placement box; one end of the guide rod is fixed on the base, and the other end of the guide rod is connected with the mounting plate; the left servo motor, the right servo motor and the lifting cylinder are fixedly arranged on the mounting plate, the lifting cylinder is arranged between the left servo motor and the right servo motor, key cylinders are further arranged on two sides of the lifting cylinder, and the key cylinders are fixed on the mounting plate; the rotating shaft ends of the left servo motor and the right servo motor are also sleeved with rubber sleeves;
The PLC control system comprises a man-machine interaction interface and corresponding operation buttons, and is electrically connected with the left servo motor, the right servo motor, the lifting cylinder and the key cylinder respectively.
Preferably, the product placing box is internally provided with corresponding products to be detected, and the products to be detected are electrically connected with the whole system through the product pin connectors.
Preferably, the load carried by the rear end of the product to be detected is a fan with a DC12V and a direct current motor with a DC12V, and the work of collecting voltage values and current values at the fan and the direct current motor is completed through a PLC analog quantity module in a PLC control system.
Preferably, the product to be detected is positioned on the same axis with the left servo motor and the right servo motor, and the gear knob on the product to be detected is driven to rotate by the left servo motor and the right servo motor.
Compared with the prior art, the invention has the beneficial effects that:
1. Compared with the traditional air conditioner controller detection table, the automatic detection system for the air conditioner controller has the problem that the number of detection items is small, and the number of detection items can reach more than 100 in about 2 minutes.
2. Compared with the traditional air conditioner controller detection table which is a manual detection table, the automatic detection system for the air conditioner controller still has the problem of terminal voltage after the executor stops rotating, cannot detect the problem, and cannot manually find the problem, so that unqualified products flow into a warehouse and are sent to a client, and after-sales problems are caused; the automatic detection system of the invention can detect the problem and display the detection result as: and (5) failing to pass.
3. Compared with the traditional air conditioner controller detection table which is a manual detection table, the automatic detection system for the air conditioner controller has the advantages that related function judgment can be carried out only by manually operating the knob and the key on the air conditioner controller in the detection process, if the number of products to be detected is hundreds of thousands, fatigue is easy to occur after the manual detection is operated for a period of time, so that the detection efficiency is low, the problem of missed detection of the function of a certain product is easy to occur, and the like.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a detection device according to the present invention;
FIG. 2 is a front view of FIG. 1 of the present invention;
FIG. 3 is a side view of FIG. 1 of the present invention;
FIG. 4 is a schematic diagram of the structure of a product to be inspected according to the present invention;
FIG. 5 is a schematic diagram of the structure of the PLC control system of the present invention;
In the figure: 1 detection device, 10 base, 11 left servo motor, 12 right servo motor, 13 lifting cylinder, 14 product placement box, 15 product pin connector, 16 guide rod, 17 mounting plate, 18 rubber sleeve, 19 button cylinder, 2 PLC control system, 3 product to be detected.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, in an embodiment of the present invention: an automatic detection system of an air conditioner controller comprises a detection device 1 and a PLC control system 2 electrically connected with each element in the detection device 1; the detection device 1 comprises a base 10, a left servo motor 11, a right servo motor 12 and a lifting cylinder 13; a product placement box 14 is fixed on the base 10, and a product pin connector 15 is arranged in the product placement box 14; guide rods 16 are arranged on two sides of the product placement box 14; one end of the guide rod 16 is fixed on the base 10, and the other end is connected with a mounting plate 17; the left servo motor 11, the right servo motor 12 and the lifting cylinder 13 are fixedly arranged on the mounting plate 17, the lifting cylinder 13 is arranged between the left servo motor 11 and the right servo motor 12, key cylinders 19 are further arranged on two sides of the lifting cylinder 13, and the key cylinders 19 are fixed on the mounting plate 17; the rotating shaft ends of the left servo motor 11 and the right servo motor 12 are also sleeved with rubber sleeves 18.
Referring to fig. 5, the PLC control system 2 includes a man-machine interface and corresponding operation buttons, and the PLC control system 2 is electrically connected to the left servomotor 11, the right servomotor 12, the lifting cylinder 13, and the key cylinder 19, respectively; the product placing box 14 is internally provided with corresponding products 3 to be detected, and the products 3 to be detected are electrically connected with the whole system through the product pin connectors 15; the work of collecting voltage values and current values at the blower and the DC motor ends is completed through a PLC analog module in the PLC control system 2, wherein the load carried by the rear end of the product 3 to be detected is a blower with DC12V and a DC12V DC motor; the product 3 to be detected is located on the same axis with the left servo motor 11 and the right servo motor 12, and the gear knob on the product 3 to be detected is driven to rotate through the left servo motor 11 and the right servo motor 12.
Working principle: the automatic detection system of the air conditioner controller firstly meets the precondition of the initial state before the operation of the detection device 1, namely, the key cylinder 19 and the lifting cylinder 13 are both positioned at the upper position, and correspondingly operates a human-computer interface and an operation button in the PLC control system 2; after selecting the automatic key, then selecting the start key, and pressing the start operation button, the detection device 1 enters an automatic operation state: the lifting cylinder 13 descends, the product 3 to be detected is automatically powered on, the detection of the fan end voltage value of the product 3 to be detected in the air volume shutdown state is firstly carried out, when the product 3 to be detected is qualified, the left servo motor 11 drives a left knob (air volume knob) of the product 3 to be detected to rotate to 1 gear (each gear corresponds to a fixed mechanical angle), after the product 3 to be detected rotates in place, the fan end voltage value of 1 gear and a 1 gear feedback voltage value are detected, the detection result is displayed in an HMI main interface window in real time, meanwhile, the right servo motor 12 drives a right knob (mixed knob) of the product 3 to be detected to rotate to 2 gear, the end voltage value of a mode executor is detected in the rotation process, the detection result is displayed in the main interface display window in real time, and then the feedback voltage value of the 2 gear position of a mixed executor (direct current motor) is displayed in the main interface display window in real time; the same as the above action process, the left servo motor 11 drives the left knob (air volume knob) of the product 3 to be detected to rotate clockwise to 6 gears in turn, after rotating in place, the 6-gear fan end voltage value and the 6-gear feedback voltage value are detected, the detection result is displayed in the HMI main interface window in real time, after clockwise rotation is carried out to detect the 1-6-gear fan end voltage value and the feedback value, the left servo motor rotates anticlockwise to detect the 6-1-gear fan end voltage value and the 6-gear feedback voltage value respectively; meanwhile, the right servo motor 12 drives a knob (mixing knob) on the right side of the product 3 to be detected to rotate clockwise to 9 gears in sequence, after the knob is rotated in place, the end voltage value and the 9-gear feedback voltage value of the mixed actuator are detected, the detection result is displayed in an HMI main interface window in real time, after the end voltage value in the rotating process of each of the 1-9 gears of mixed actuators is detected by clockwise rotation, the end voltage value and the feedback voltage value of the mixed actuator of 9-1 gears are respectively detected by anticlockwise rotation.
After the function detection of each gear of the knobs on the left side and the right side of the product 3 to be detected is completed, the key cylinder 19 presses down the keys on the product 3 to be detected respectively, the voltage value and the feedback voltage value in the rotation process of the load actuator connected with the rear end of the product are detected, and the functions of the keys are checked in sequence; after the key function is checked, the working condition of the backlight is detected, the collected current value of the backlight during working is converted into a value which can be read by a PLC analog module through a current transmitter, the value is compared with a nominal value, and if the value is qualified, the checking result is displayed in real time on an HMI main interface display window; and finally, the test result is displayed in an HMI main interface display window, and meanwhile, a final test result indicator lamp on the right side of the main interface can be checked to confirm the result.
To sum up: the automatic detection system of the air conditioner controller adopts the current most advanced PLC industrial control system as an automatic control means, reasonably plans the inspection steps and the inspection flow by combining the functions and the working flows of the inspection products, uses a servo control system to accurately position the gears of a fan knob and a mixed knob, performs interaction and information exchange between the system and a user through an HMI (human-machine interface), and performs data interaction and information exchange between the PLC and the HMI through an RS485 serial passing port; the inspection items can reach more than 100 items, the detection process is visual detection, the fan end voltage values, the actuator end voltage values and the backlight current values of all gears are visual, the inspection results are dynamically displayed in the main interface display window in real time, and the unqualified inspection items can be inquired through the history inquiry interface, so that the time required for product maintenance is greatly shortened, and the detection of all electric properties of the product is completed.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. An automatic detection system of an air conditioner controller is characterized by comprising a detection device (1) and a PLC control system (2) electrically connected with each element in the detection device (1); the detection device (1) comprises a base (10), a left servo motor (11), a right servo motor (12) and a lifting cylinder (13); a product placing box (14) is fixed on the base (10), and a product pin connector (15) is arranged in the product placing box (14); guide rods (16) are arranged on two sides of the product placement box (14); one end of the guide rod (16) is fixed on the base (10), and the other end is connected with a mounting plate (17); the left servo motor (11), the right servo motor (12) and the lifting cylinder (13) are fixedly arranged on the mounting plate (17), the lifting cylinder (13) is arranged between the left servo motor (11) and the right servo motor (12), key cylinders (19) are further arranged on two sides of the lifting cylinder (13), and the key cylinders (19) are fixed on the mounting plate (17); the rotating shaft ends of the left servo motor (11) and the right servo motor (12) are also sleeved with rubber sleeves (18);
The PLC control system (2) comprises a man-machine interaction interface and corresponding operation buttons, and the PLC control system (2) is electrically connected with the left servo motor (11), the right servo motor (12), the lifting cylinder (13) and the key cylinder (19) respectively;
The operation method of the automatic detection system of the air conditioner controller comprises the following steps: firstly, the precondition of the initial state before the operation of the detection device (1) is met, namely, the key cylinder (19) and the lifting cylinder (13) are both positioned at the upper position, and the man-machine interface and the operation buttons in the PLC control system (2) are correspondingly operated; after the automatic key is selected firstly, then the starting key is selected, and the start operation button is pressed, the detection device (1) enters an automatic operation state: the lifting cylinder (13) descends, the product (3) to be detected is automatically powered on, the detection of the voltage value of the fan end in the air volume shutdown state of the product (3) to be detected is firstly carried out, when the product is qualified, the left servo motor (11) drives a left-side Niu Fengliang knob of the product (3) to be detected to rotate to 1 gear, each gear corresponds to a fixed mechanical angle, after the product rotates in place, the voltage value of the fan end of 1 gear and the feedback voltage value of 1 gear are detected, the detection result is displayed in an HMI main interface window in real time, meanwhile, the right servo motor (12) drives a right-side knob mixed knob of the product (3) to be detected to rotate to 2 gears, the voltage value of the end of a mode executor is detected in the rotation process, the detection result is displayed in a main interface display window in real time, and then the feedback voltage value of the position of the DC motor of the mixed executor is displayed in the main interface display window in real time; the method comprises the steps that the left servo motor (11) drives a Niu Fengliang knob on the left side of a product (3) to be detected to rotate clockwise to 6 gears in sequence, after the product rotates in place, the voltage value of a 6-gear fan end and the feedback voltage value of the 6 gears are detected, the detection result is displayed in an HMI main interface window in real time, after the voltage value and the feedback value of the fan end of each gear of 1-6 gears are detected by clockwise rotation, the voltage value and the feedback voltage value of the fan end of 6-1 gears are detected by anticlockwise rotation; meanwhile, the right servo motor (12) drives a right-side rotary knob mixing knob of a product (3) to be detected to rotate clockwise to 9 gears in sequence, after the product rotates in place, the end voltage value and the 9-gear feedback voltage value of the mixed executor are detected, the detection result is displayed in an HMI main interface window in real time, after the end voltage value in the rotating process of each of the 1-9 gears of mixed executors is detected by clockwise rotation, the end voltage value and the feedback voltage value of the mixed executor of 9-1 gears are respectively detected by anticlockwise rotation;
After the function detection of each gear of the knobs on the left side and the right side of the product (3) to be detected is completed, a key cylinder (19) presses down keys on the product (3) to be detected respectively, a voltage value and a feedback voltage value in the rotation process of a load actuator connected with the rear end of the product are detected, and the functions of the keys are checked in sequence; after the key function is checked, the working condition of the backlight is detected, the collected current value of the backlight during working is converted into a value which can be read by a PLC analog module through a current transmitter, the value is compared with a nominal value, and if the value is qualified, the checking result is displayed in real time on an HMI main interface display window; and finally, the test result is displayed in an HMI main interface display window, and meanwhile, a final test result indicator lamp on the right side of the main interface can be checked to confirm the result.
2. An automatic air conditioner controller detection system as set forth in claim 1 wherein: the product placing box (14) is internally provided with corresponding products (3) to be detected, and the products (3) to be detected are electrically connected with the whole system through the product pin connectors (15).
3. An automatic air conditioner controller detection system as claimed in claim 2, wherein: the load carried by the rear end of the product to be detected (3) is a fan with DC12V and a direct current motor with DC12V, and the work of collecting voltage values and current values at the fan and the direct current motor is completed through a PLC analog quantity module in a PLC control system (2).
4. An automatic air conditioner controller detection system as claimed in claim 2, wherein: the product to be detected (3) is positioned on the same axis with the left servo motor (11) and the right servo motor (12), and the gear knob on the product to be detected (3) is driven to rotate through the left servo motor (11) and the right servo motor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113293.2A CN108107877B (en) | 2018-02-05 | 2018-02-05 | Automatic detection system for air conditioner controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113293.2A CN108107877B (en) | 2018-02-05 | 2018-02-05 | Automatic detection system for air conditioner controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108107877A CN108107877A (en) | 2018-06-01 |
| CN108107877B true CN108107877B (en) | 2024-05-17 |
Family
ID=62220962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810113293.2A Active CN108107877B (en) | 2018-02-05 | 2018-02-05 | Automatic detection system for air conditioner controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108107877B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032120A (en) * | 2018-10-19 | 2018-12-18 | 宁波均普工业自动化有限公司 | A kind of test macro and its test method of automotive air-conditioning controller |
| CN111427329B (en) * | 2020-03-16 | 2022-05-10 | 京威汽车设备有限公司 | Automatic detection system and method for controller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201159694Y (en) * | 2008-01-21 | 2008-12-03 | 比亚迪股份有限公司 | Function testing equipment of automatic air conditioner controller |
| CN104237776A (en) * | 2013-06-24 | 2014-12-24 | 泰州洛克电子有限公司 | Switch state real-time detector used during rotation of rotary switch |
| CN204667180U (en) * | 2015-06-11 | 2015-09-23 | 南方英特空调有限公司 | Automatic air conditioning controller of automobile detector |
| CN105717914A (en) * | 2016-02-05 | 2016-06-29 | 杭州益泰科汽车电器有限公司 | Detection system and detection method of vehicle-mounted air conditioner control panel |
| CN206740929U (en) * | 2017-05-17 | 2017-12-12 | 格力电器（武汉）有限公司 | A kind of detection device of air conditioner electrical box |
-
2018
- 2018-02-05 CN CN201810113293.2A patent/CN108107877B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201159694Y (en) * | 2008-01-21 | 2008-12-03 | 比亚迪股份有限公司 | Function testing equipment of automatic air conditioner controller |
| CN104237776A (en) * | 2013-06-24 | 2014-12-24 | 泰州洛克电子有限公司 | Switch state real-time detector used during rotation of rotary switch |
| CN204667180U (en) * | 2015-06-11 | 2015-09-23 | 南方英特空调有限公司 | Automatic air conditioning controller of automobile detector |
| CN105717914A (en) * | 2016-02-05 | 2016-06-29 | 杭州益泰科汽车电器有限公司 | Detection system and detection method of vehicle-mounted air conditioner control panel |
| CN206740929U (en) * | 2017-05-17 | 2017-12-12 | 格力电器（武汉）有限公司 | A kind of detection device of air conditioner electrical box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108107877A (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108107877B (en) | Automatic detection system for air conditioner controller | |
| CN105955121A (en) | High-frequency high-voltage electrostatic dedusting remote monitoring system based on ifix platform | |
| CN102331553B (en) | Robot apparatus for detecting endurance of combination switches of electric appliance | |
| CN203250464U (en) | Simple industrial automation integrated practical training control system | |
| CN203350415U (en) | Device for motor voltage resistance detection and aging | |
| CN207976563U (en) | A kind of AC servo motor opening machine system test device of turntable switching load | |
| CN204241667U (en) | A kind of Intelligent lamp detection system | |
| CN103487274A (en) | Air conditioning box temperature linear testing equipment | |
| CN206292377U (en) | Inverter master control borad fault detection means in track traffic | |
| CN106647696A (en) | CRH5-type locomotive driver controller ground tester | |
| CN204832459U (en) | Driving box's detection device and system | |
| CN201903596U (en) | Electric actuator checking meter | |
| CN104317287B (en) | The analogy method and system of a kind of motor signal | |
| CN208044014U (en) | LED light driving plate intelligent test system | |
| CN109884433A (en) | A kind of multi-functional test desk and its application method | |
| CN207851611U (en) | A kind of air-conditioner controller automatic checkout system | |
| CN109759898A (en) | Carving machine electricity consumption main shaft failure test diagnosis system and its diagnostic method | |
| CN209579016U (en) | Carving machine electricity consumption main shaft failure test diagnosis system | |
| CN107222940A (en) | Outdoor intelligent communication base station based on BIM technology | |
| CN104516349B (en) | A kind of automotive air-conditioning controller detection method | |
| CN208444195U (en) | Steel door doorframe lock hole numerical control positioning optical control device | |
| CN204269758U (en) | Intelligent socket batch testing instrument | |
| CN204989359U (en) | Line preface of pencil detects frock | |
| CN206441388U (en) | A kind of SCM Based Digit Control Machine Tool electric fault sets and excluded actual training device | |
| CN105759792B (en) | For the analogue loading device of on-board air conditioner controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |