CN218675251U - Blanking detection device and blanking machine equipment - Google Patents
Blanking detection device and blanking machine equipment Download PDFInfo
- Publication number
- CN218675251U CN218675251U CN202222604803.0U CN202222604803U CN218675251U CN 218675251 U CN218675251 U CN 218675251U CN 202222604803 U CN202222604803 U CN 202222604803U CN 218675251 U CN218675251 U CN 218675251U
- Authority
- CN
- China
- Prior art keywords
- blanking
- circuit
- blanking detection
- upper computer
- power supply
- 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
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses an unloading detection device and unloader equipment. The blanking detection device comprises a blanking detection circuit, an alarm circuit, an upper computer and a central processing unit; a plurality of detection ends of the blanking detection circuit are connected with power output ends of a plurality of power supply devices in a one-to-one correspondence mode, the input end of the central processing unit is connected with the blanking detection circuit, the output end of the central processing unit is connected with an upper computer, and the controlled end of the alarm circuit is connected with the upper computer. The utility model detects the output voltage of a plurality of power supply devices through the blanking detection circuit and outputs corresponding blanking detection signals when the power supply devices are taken away according to the output voltage of the power supply devices; the central processing unit uploads the received blanking detection signal to the upper computer, and the upper computer outputs an alarm control signal according to the blanking detection signal to control the alarm circuit to work and warn workers, so that the problem of easy failure of blanking is solved, and the working efficiency is improved.
Description
Technical Field
The utility model relates to an unloading technical field, in particular to unloading detection device and unloader equipment.
Background
In recent years, the demand for power supply products has increased. After the power product is aged, the good products and the defective products need to be judged for sorting and placing.
In the integrated aging equipment, tens of thousands of power supply products generally carry out aging work, and it is very important that the positions of single defective products on the jig can be accurately positioned. At present, most manufacturers manually feed materials, and the conditions that good products and defective products are judged inaccurately exist, so that feeding errors are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an unloading detection device, to the inaccurate problem that easily causes the unloading error of judgement of yields and defective products when aiming at solving artifical unloading.
In order to achieve the above object, the utility model provides an unloading detection device is applied to unloader equipment, unloader equipment includes test fixture, test fixture is used for supplying a plurality of power supply unit to place, its characterized in that, unloading detection device includes:
an upper computer;
the blanking detection circuit is used for detecting the output voltages of the power supply equipment and outputting corresponding blanking detection signals when the power supply equipment is taken away according to the output voltages of the power supply equipment;
the controlled end of the alarm circuit is connected with the upper computer, and the alarm circuit is used for sending out an alarm signal when in work;
the input end of the central processing unit is connected with the blanking detection circuit, the output end of the central processing unit is connected with the upper computer, and the central processing unit is used for receiving the blanking detection signal and uploading the blanking detection signal to the upper computer;
and the upper computer is used for outputting an alarm control signal according to the blanking detection signal so as to control the alarm circuit to work.
In an embodiment, the blanking detection circuit includes a plurality of voltage sampling circuits, a plurality of acquisition input ends of the voltage sampling circuits are respectively connected with power output ends of the power supply devices in a one-to-one correspondence manner, and each sampling circuit is configured to sample an output voltage of the power supply device and output a voltage detection signal corresponding to the power supply device.
In an embodiment, the blanking detection circuit further includes a plurality of data processing circuits, input ends of the plurality of data processing circuits are connected to output ends of the plurality of voltage sampling circuits in a one-to-one correspondence manner, and the data processing circuits are configured to output the blanking detection signal after performing voltage conditioning on the voltage detection signal that is accessed by the data processing circuits.
In one embodiment, the data processing circuit comprises an operational amplifier circuit, an input end of the operational amplifier circuit is connected with the voltage sampling circuit, an output end of the operational amplifier circuit is connected with the central processing unit, and the operational amplifier circuit is used for amplifying the voltage detection signal.
In one embodiment, the blanking detection device further includes:
the communication module is connected with the central processing unit and is used for establishing communication connection with an upper computer;
and the central processing unit is used for packaging and uploading the blanking detection signals to the upper computer for display.
In one embodiment, the communication module is a 485 communication module.
In an embodiment, the blanking detection device includes a plurality of isolation circuits, the isolation circuits are connected to the data processing circuits in a one-to-one correspondence, and each isolation circuit is configured to isolate the blanking detection signal and transmit the isolated blanking detection signal to the central processing unit.
In one embodiment, the isolation circuit is a photo coupler.
In one embodiment, the alarm circuit comprises:
the buzzer is used for outputting an alarm signal when working; and
the first switch circuit and the buzzer are connected between a power supply and the ground in series, the controlled end of the first switch circuit is connected with the upper computer, and the first switch circuit is used for being conducted when the alarm control signal is received so as to control the buzzer to work.
The utility model also provides an unloader equipment, unloader equipment includes keysets and test fixture and foretell unloading detection device, test fixture passes through the keysets with unloading detection device connects, test fixture is used for supplying a plurality of power supply unit to place.
The technical proposal of the utility model is that the output voltage of a plurality of power supply devices is detected by the blanking detection circuit, and corresponding blanking detection signals are output when the power supply devices are taken away according to the output voltage of the power supply devices; central processing unit uploads received unloading detected signal to the host computer, and the host computer exports alarm control signal according to unloading detected signal to control alarm circuit work, alarm circuit sends alarm signal and is the defective products in order to remind this electrical equipment of staff, and the staff of being convenient for clearly knows the electrical equipment of taking away and is the yields or defective products, thereby has solved the easy error problem of unloading, and has improved work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is an overall block diagram of an embodiment of the blanking detection device of the present invention;
fig. 2 is a circuit diagram of another embodiment of the blanking detection device of the present invention;
fig. 3 is a circuit diagram of an embodiment of an alarm circuit of the blanking detection device of the present invention;
fig. 4 is a schematic structural view of another embodiment of the blanking detecting device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 10 | |
41 | |
| 20 | |
42 | |
| 30 | Upper computer | R1～R3 | First to |
| 40 | Alarm circuit | Q1 | |
| 50 | |
1 | |
| 60 | |
2 | |
| 11 | Voltage sampling circuit | 3 | |
| 12 | Data processing circuit |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an unloading detection device 3 is applied to blanking machine equipment.
At present, the demand of power supply products is increasing day by day, and after the power supply products are aged, good products and defective products need to be judged for sorting and placing. In the integrated aging equipment, tens of thousands of power supply products generally carry out aging work, and it is very important that the positions of single defective products on the jig can be accurately positioned. However, most manufacturers manually perform blanking, so that the problem that blanking errors are easily caused due to inaccurate judgment of good products and defective products exists, and the blanking efficiency is low.
In order to solve the above problem, refer to fig. 1 and 4 in the utility model relates to an embodiment, this unloading detection device 3 is applied to blanking machine equipment, blanking machine equipment includes test fixture 1, test fixture 1 is used for supplying a plurality of power supply unit to place, is the yields or defective products through this 3 detectable power supply unit of unloading detection device, outputs alarm signal in order to remind the staff, is convenient for the staff to the accurate judgement of yields and defective products. The blanking detection device 3 includes: an upper computer 30; the blanking detection circuit 10 is used for detecting output voltages of the plurality of power supply devices and outputting corresponding blanking detection signals when the power supply devices are taken away according to the output voltages of the power supply devices; the controlled end of the alarm circuit 40 is connected with the upper computer 30, and the alarm circuit 40 is used for sending out an alarm signal when in work; the input end of the central processing unit 20 is connected with the blanking detection circuit 10, the output end of the central processing unit 20 is connected with the upper computer 30, and the central processing unit 20 is used for receiving the blanking detection signal and uploading the blanking detection signal to the upper computer 30; the upper computer 30 is used for outputting an alarm control signal according to the blanking detection signal so as to control the alarm circuit 40 to work.
The blanking detection circuit 10 may adopt any blanking detection circuit 10, such as a voltage detection circuit, which can detect the output voltage of the power supply device and detect that the power supply device is taken away according to the output voltage. It should be noted that the detection end of the blanking detection circuit 10 is connected to the DC end of the power supply device through a wire, and the AC end of the power supply device does not need to be connected to an AC power supply. Whether this embodiment detects the output voltage of electrical power unit DC end through unloading detection circuitry 10 has or not, confirm whether electrical power unit is taken away, when electrical power unit placed on test fixture 1 promptly, unloading detection circuitry 10 can detect that electrical power unit's DC end has output voltage, when electrical power unit was taken away, the staff has accomplished this electrical power unit's unloading promptly, when the output voltage of electrical power unit DC end was not detected to the sense terminal of unloading detection circuitry 10, unloading detection circuitry 10 just exports the unloading detected signal that corresponds with electrical power unit to central processing unit 20.
The alarm circuit 40 may be a buzzer 42 or other alarm device. In this embodiment, the upper computer 30 performs data check processing on the blanking detection signal after receiving the blanking detection signal, and when the power supply device corresponding to the blanking detection signal is good, the alarm circuit 40 does not operate; when the power supply device corresponding to the blanking detection signal is a defective product, the alarm control signal is output to control the alarm circuit 40 to work so as to remind the worker that the power supply device is a defective product, thereby avoiding blanking errors.
The central processing unit 20 may be implemented by a single chip, a DSP, or an FATP. In practical application, the central processing unit 20 is respectively connected with the blanking detection circuit 10 and the upper computer 30, and the central processing unit 20 performs data processing on the accessed blanking detection signals and then packages and transmits the processed blanking detection signals to the upper computer 30. The upper computer 30 performs data checking processing on the received blanking detection signal, when the upper computer 30 confirms that the power supply equipment corresponding to the blanking detection signal is a defective product, the upper computer 30 controls the alarm circuit 40 to send an alarm signal to warn a worker, and meanwhile, the alarm information that the power supply equipment corresponding to the blanking detection signal is a defective product is displayed on the display screen of the upper computer 30, so that double monitoring is achieved, and the situation that the worker makes mistakes in blanking without noticing the alarm signal is avoided.
The technical proposal of the utility model is that the output voltage of a plurality of power supply devices is detected by the blanking detection circuit 10, and corresponding blanking detection signals are output when the power supply devices are taken away according to the output voltage of the power supply devices; the central processing unit 20 uploads the received blanking detection signal to the upper computer 30, the upper computer 30 outputs an alarm control signal according to the blanking detection signal to control the alarm circuit 40 to work, the alarm circuit 40 sends out an alarm signal to remind a worker that the power supply equipment is defective, the worker can clearly know that the power supply equipment taken away is a good product or a defective product, the problem of easy error of blanking is solved, and the working efficiency is improved.
Referring to fig. 2, in an embodiment, the blanking detection circuit 10 includes a plurality of voltage sampling circuits 11, the acquisition input ends of the plurality of voltage sampling circuits 11 are respectively connected to the power output ends of the plurality of power devices in a one-to-one correspondence manner, and each sampling circuit is configured to sample an output voltage of one power device and output a voltage detection signal corresponding to the power device.
The voltage sampling circuit 11 may be any voltage sampling circuit 11 capable of sampling the output voltage of the power supply device. In this embodiment, the voltage sampling circuit 11 may be implemented by using a discrete component, and compared with an integrated sampling chip, the number of sampling channels may be set according to actual requirements, so that the cost is lower. The number of the voltage sampling circuits 11 can be selected according to actual requirements, the number of the voltage sampling circuits can be 12, namely 12 sampling channels can be built, and the 12 sampling channels can simultaneously acquire the output voltages of the DC ends of the 12 power supply devices. The voltage sampling circuit 11 performs voltage reduction processing on the acquired output voltage, that is, converts the output voltage into a voltage value acceptable by the data processing circuit 12, and then outputs a voltage sampling signal to the data processing circuit 12.
Referring to fig. 2, in an embodiment, the blanking detection circuit 10 further includes a plurality of data processing circuits 12, input ends of the plurality of data processing circuits 12 are connected to output ends of the plurality of voltage sampling circuits 11 in a one-to-one correspondence manner, and the data processing circuits 12 are configured to output the blanking detection signal after performing voltage conditioning on the voltage detection signal received by the data processing circuits 12.
The data processing circuit 12 may adopt any data processing circuit 12 that can perform data processing on the voltage sampling signal, that is, the voltage sampling signal is conditioned to a voltage value that can be accepted by the central processing unit 20.
Further, the data processing circuit 12 includes an operational amplifier circuit, an input end of the operational amplifier circuit is connected to the voltage sampling circuit 11, an output end of the operational amplifier circuit is connected to the central processing unit 20, and the operational amplifier circuit is configured to amplify the voltage detection signal.
The operational amplifier circuit can be built by discrete elements and can also be realized by a semiconductor chip. In this embodiment, the operational amplifier circuit is connected to the voltage sampling signal output by the voltage sampling circuit 11, and amplifies the voltage sampling signal, so that the output voltage sampling signal is within a voltage interval that can be identified by the central processing unit 20, so that the central processing unit 20 can receive the blanking detection signal.
Referring to fig. 2, in an embodiment, the blanking detecting device 3 further includes: the communication module 60 is connected with the central processing unit 20, and the communication module 60 is used for establishing communication connection with the upper computer 30; the central processing unit 20 is used for packaging and uploading the blanking detection signals to the upper computer 30 for display.
Wherein, communication module 60 can adopt communication module 60 such as bluetooth, wifi or RS485 module, and communication module 60 can establish communication connection with host computer 30.
In this embodiment, the communication module 60 is a 485 communication module 60, that is, an RS-485 transceiver, which has enhanced common-mode interference resistance, that is, good noise interference resistance, and ensures data transmission. Meanwhile, the maximum communication distance of the RS-485 is about 1219m, the requirement of an application scene in a factory on the communication distance is met, the cost is reduced, and the stability of data transmission can be guaranteed. In this embodiment, the communication module 60 packages and sends the received blanking detection signal to the upper computer 30, so that the upper computer 30 can determine the blanking condition of the corresponding power supply device according to the received blanking detection signal.
Referring to fig. 2, in an embodiment, the blanking detection apparatus 3 includes a plurality of isolation circuits 50, the isolation circuits 50 are connected to the data processing circuits 12 in a one-to-one correspondence manner, and each isolation circuit 50 is configured to isolate the blanking detection signal and transmit the isolated blanking detection signal to the central processing unit 20.
The isolation circuit 50 may be implemented by any isolation circuit 50 that can be used for isolation, such as an optoelectronic isolation circuit 50, a relay isolation circuit 50, and the like.
Further, the isolation circuit 50 is a photo coupler. The photoelectric coupler takes light as a medium to transmit electric signals, and has good isolation effect on input and output electric signals. Because the input and the output of the optical coupler are isolated from each other, the electric signal transmission has the characteristics of unidirectionality and the like, thereby having good electric insulation capability and anti-interference capability.
In the present embodiment, the plurality of isolation circuits 50 are connected to the output terminals of the plurality of data processing circuits 12 in a one-to-one correspondence. Data processing circuit 12 outputs unloading detected signal to optoelectronic coupler, and the illuminator of steerable optoelectronic coupler is luminous, and then the photic ware of control optoelectronic coupler switches on to with unloading detected signal output to central processing unit 20, transmit unloading detected signal from data processing circuit 12 to central processing unit 20 through optoelectronic coupler promptly, with the realization to the isolation of unloading detected signal, thereby ensure the stability of the unloading detected signal of gathering.
Referring to fig. 3, in one embodiment, the alarm circuit 40 includes: the buzzer 42, the said buzzer 42 is used for outputting the alarm signal while working; and the first switch circuit 41, the first switch circuit 41 with the buzzer 42 is connected in series between the power and the ground, the controlled end of the first switch circuit 41 with the upper computer 30 is connected, the first switch circuit 41 is used for receiving the alarm control signal and conducting so as to control the buzzer 42 to work.
Referring to fig. 3, the first switch circuit 41 includes a first resistor R1, a second resistor R2, a third resistor R3, and a first switch tube Q1, and the specific connection relationship refers to fig. 3, where the first resistor R1 and the second resistor R2 are used for current limiting, the third resistor R3 is used for pull-down, the first switch tube Q1 may be a triode or a MOS transistor, and the upper computer 30 controls the first switch tube Q1 to be turned on or off by outputting a high-low level signal, that is, controls the first switch circuit 41 to be turned on or turned off.
In this embodiment, when the upper computer 30 judges that the power supply device taken away is a defective product according to the received blanking detection signal, the upper computer 30 can control the first switch tube Q1 to be conducted, and then control the buzzer 42 to work so as to output an alarm signal, so that the worker can timely know that the power supply device is a defective product, the situation of blanking error is avoided, and the efficiency of manual blanking is improved.
The utility model also provides a blanking machine device, which comprises a test fixture 1, a transfer plate 2 and the blanking detection device 3; the specific structure of the blanking detection device 3 refers to the above embodiments, and since the blanking machine equipment adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated here.
Referring to fig. 4, the test fixture 1 is connected to the blanking detection device 3 through the adapter plate 2, and the test fixture 1 is used for placing a plurality of power devices. In practical application, this unloader equipment accessible detects a plurality of electrical power unit's output voltage to judge the unloading condition that corresponds electrical power unit, and then learn that the electrical power unit that corresponds is the yields or defective products, if the defective products just output alarm signal in order to remind the staff, thereby improve artifical unloading efficiency.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an unloading detection device, is applied to unloader equipment, unloader equipment includes test fixture, test fixture is used for supplying a plurality of power supply unit to place, its characterized in that, unloading detection device includes:
an upper computer;
the blanking detection circuit is used for detecting the output voltages of the power supply equipment and outputting corresponding blanking detection signals when the power supply equipment is taken away according to the output voltages of the power supply equipment;
the controlled end of the alarm circuit is connected with the upper computer, and the alarm circuit is used for sending out an alarm signal when in work;
the input end of the central processing unit is connected with the blanking detection circuit, the output end of the central processing unit is connected with the upper computer, and the central processing unit is used for receiving the blanking detection signal and uploading the blanking detection signal to the upper computer;
and the upper computer is used for outputting an alarm control signal according to the blanking detection signal so as to control the alarm circuit to work.
2. The blanking detection device of claim 1, wherein the blanking detection circuit comprises a plurality of voltage sampling circuits, wherein the sampling input ends of the plurality of voltage sampling circuits are respectively connected with the power output ends of the plurality of power devices in a one-to-one correspondence manner, and each sampling circuit is configured to sample an output voltage of one power device and output a voltage detection signal corresponding to the power device.
3. The blanking detection device of claim 2, wherein the blanking detection circuit further comprises a plurality of data processing circuits, wherein input ends of the plurality of data processing circuits are connected with output ends of the plurality of voltage sampling circuits in a one-to-one correspondence manner, and the data processing circuits are configured to output the blanking detection signals after performing voltage conditioning on the voltage detection signals received by the data processing circuits.
4. The blanking detecting device of claim 3, wherein the data processing circuit comprises an operational amplifier circuit, an input end of the operational amplifier circuit is connected with the voltage sampling circuit, an output end of the operational amplifier circuit is connected with the central processing unit, and the operational amplifier circuit is used for amplifying the voltage detection signal.
5. The blanking detection apparatus of claim 1, further comprising:
the communication module is connected with the central processing unit and is used for establishing communication connection with an upper computer;
and the central processing unit is used for packaging and uploading the blanking detection signals to the upper computer for display.
6. The blanking detection device of claim 5 wherein said communication module is a 485 communication module.
7. The blanking detection device of claim 3, wherein the blanking detection device comprises a plurality of isolation circuits, the plurality of isolation circuits are connected with the plurality of data processing circuits in a one-to-one correspondence manner, and each isolation circuit is used for isolating the blanking detection signal and transmitting the isolated blanking detection signal to the central processing unit.
8. The blanking detection apparatus of claim 7 wherein the isolation circuit is a photo-coupler.
9. The blanking detection apparatus of claim 1 wherein said alarm circuit comprises:
the buzzer is used for outputting an alarm signal when working; and
the first switch circuit and the buzzer are connected between a power supply and the ground in series, the controlled end of the first switch circuit is connected with the upper computer, and the first switch circuit is used for being conducted when the alarm control signal is received so as to control the buzzer to work.
10. The utility model provides a blanking machine equipment which characterized in that, blanking machine equipment includes:
the blanking detection apparatus of any one of claims 1 to 9; and
an adapter plate;
the test fixture is connected with the blanking detection device through the adapter plate and used for placing a plurality of power supply devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604803.0U CN218675251U (en) | 2022-09-29 | 2022-09-29 | Blanking detection device and blanking machine equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604803.0U CN218675251U (en) | 2022-09-29 | 2022-09-29 | Blanking detection device and blanking machine equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218675251U true CN218675251U (en) | 2023-03-21 |
Family
ID=85559799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222604803.0U Active CN218675251U (en) | 2022-09-29 | 2022-09-29 | Blanking detection device and blanking machine equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218675251U (en) |
-
2022
- 2022-09-29 CN CN202222604803.0U patent/CN218675251U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101158701B (en) | High voltage system electric voltage and insulation resistance measurement circuit | |
| US11047924B2 (en) | Detection apparatus and method | |
| CN109725278A (en) | Verification system and method in a kind of contactless smart meter room | |
| CN103399251A (en) | USB (Universal Serial Bus) communication line detection device | |
| CN218675251U (en) | Blanking detection device and blanking machine equipment | |
| CN205404716U (en) | Fault detection device and object transmission detection system of correlation sensor | |
| CN113049946B (en) | Board card test system | |
| CN109738850A (en) | A kind of electric energy measuring equipment calibrating installation based on the switching of multi-standard table | |
| CN206021565U (en) | A kind of electronic bus stop board | |
| CN112462126A (en) | Track circuit outdoor equipment with non-contact voltage acquisition function | |
| CN206649051U (en) | Digital acceleration measurement apparatus with constant current source power supply | |
| CN106772202A (en) | A kind of electric energy meter RS485 communication interface all-round property testing modules and method | |
| CN217213010U (en) | Chip calibration circuit and electronic equipment | |
| CN102589750A (en) | Fault detection structure for automatic weather station temperature sensor | |
| CN114910814A (en) | Multichannel acquisition circuit, aging test equipment and system | |
| CN111289919B (en) | Multi-range contact net leakage current detection device | |
| CN210895121U (en) | Automobile diagnosis equipment and system | |
| CN112763803B (en) | Universal initiating explosive device testing platform | |
| CN206096256U (en) | A power sensor for RF power reflectometer | |
| CN111665420A (en) | Ultrasonic partial discharge detection device and detection method thereof | |
| CN214471391U (en) | High-precision temperature transmitter | |
| CN219285327U (en) | Main control circuit board detection device | |
| CN218675249U (en) | Multichannel voltage acquisition circuit and aging testing equipment | |
| CN109254200A (en) | For detecting the isolated DC voltage sensor of DC24V voltage stability | |
| CN215641497U (en) | Dynamic power consumption monitor for equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |