CN216747899U - Low-power consumption static data collector - Google Patents
Low-power consumption static data collector Download PDFInfo
- Publication number
- CN216747899U CN216747899U CN202220103019.9U CN202220103019U CN216747899U CN 216747899 U CN216747899 U CN 216747899U CN 202220103019 U CN202220103019 U CN 202220103019U CN 216747899 U CN216747899 U CN 216747899U
- Authority
- CN
- China
- Prior art keywords
- relay
- controller
- power consumption
- transmission unit
- low
- 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
- Near-Field Transmission Systems (AREA)
Abstract
The utility model provides a low-power consumption static data collector, which comprises: the electrostatic sensor is connected with the controller, a first output end of the controller is connected with the first relay, the first relay is connected with the electrostatic sensor, a second output end of the controller is connected with the data transmission unit, the data transmission unit is connected with the controller, and the power supply is respectively electrically connected with the electrostatic sensor, the controller, the data transmission unit and the first relay. The static data are collected through the static sensor, the controller, the data transmission unit, the first relay and the power supply, the static abnormal condition of the current production workshop can be known conveniently in real time, meanwhile, the relay is collected intermittently, and the static collection detection requirement is met while the power consumption is reduced.
Description
Technical Field
The utility model relates to the technical field of data acquisition, in particular to a low-power-consumption electrostatic data acquisition device.
Background
Static electricity is a static or non-flowing charge, and electrostatic induction is a phenomenon in which electrons in a substance flow. Electrons within the metal object move toward the surface, causing the surface to become charged with a polarity opposite to that of the charged object in proximity thereto, and an electromechanic phenomenon and a discharge phenomenon occur. If the inductive object is a good conductor with smaller resistance, electrostatic discharge is easy to occur to cause damage, and as most electronic components are electrostatic sensitive elements and are easy to damage due to electrostatic breakdown, the repair scrap amount loss of products caused by static electricity in the electronic production industry every year cannot be estimated;
therefore, the static data needs to be collected, so that the existence form of static can be known in time, and the damage or loss caused by static can be reduced in time;
therefore, the utility model provides a low-power consumption static data acquisition device which is used for acquiring static data through a static sensor, a controller, a data transmission unit, a first relay and a power supply, so that the static abnormal condition of the current production workshop can be known conveniently in real time, and meanwhile, the relay is adopted for acquisition at intervals, so that the power consumption is reduced and the static acquisition detection requirement is met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low-power consumption static data acquisition unit which is used for acquiring static data through a static sensor, a controller, a data transmission unit, a first relay and a power supply, so that the static abnormal condition of a current production workshop can be known conveniently in real time, and meanwhile, the relay is adopted for acquiring at intervals, so that the power consumption is reduced and the static acquisition detection requirements are met.
The utility model provides a low-power consumption static data collector, which comprises a collector shell;
the collector shell is of a cavity structure, and an electrostatic sensor, a controller, a data transmission unit, a first relay and a power supply are arranged in the collector shell;
the electrostatic sensor is connected with the collector shell in a nested manner, the output end of the electrostatic sensor is connected with the first input end of the controller, the first output end of the controller is connected with the input end of the first relay, the output end of the first relay is connected with the input end of the electrostatic sensor, the second output end of the controller is connected with the input end of the data transmission unit, the output end of the data transmission unit is connected with the second input end of the controller, and the power supply is electrically connected with the electrostatic sensor, the controller, the data transmission unit and the first relay respectively;
wherein the data transmission unit includes: the system comprises an antenna, a low noise amplifier, a frequency generator, a mixer and a modem;
the antenna is bidirectionally connected with the low noise amplifier, the low noise amplifier is bidirectionally connected with the mixer, the frequency generator is bidirectionally connected with the mixer, the mixer is bidirectionally connected with the modem, and the modem is bidirectionally connected with the controller.
Preferably, the low-power consumption static data acquisition unit further comprises a fixing bolt;
a plurality of fixing grooves are formed in the collector shell, fixing holes are formed beside the fixing grooves, and the fixing bolts are fixed with the fixing holes in an embedded mode;
the electrostatic sensor, the controller, the data transmission unit, the first relay and the power supply are respectively placed in corresponding fixing grooves, and the electrostatic sensor, the controller, the data transmission unit, the first relay and the power supply are nested and fixed through fixing bolts and the fixing holes.
Preferably, the low-power consumption static data acquisition unit further comprises a display screen;
the outer surface of the collector shell is provided with a groove, the bottom in the groove is provided with a limiting groove and a clamping block, and the clamping block is fixedly connected with the limiting groove;
the display screen is connected with the groove in a nested manner and is fixed through the limiting groove and the clamping block;
the display screen is in wireless connection with the data transmission unit.
Preferably, the low-power consumption static data collector;
the power supply includes: a first lithium battery and a second lithium battery;
the first lithium battery and the second lithium battery are connected in parallel;
the output end of the first lithium battery and the output end of the second lithium battery which are connected in parallel are respectively electrically connected with the electrostatic sensor, the controller, the data transmission unit and the first relay.
Preferably, the low power consumption electrostatic data collector further includes: the charging interface, the second relay, the control device and the voltage detection device;
the output end of the charging interface is connected with the first input end of the second relay, the output end of the second relay is respectively connected with the input ends of the first lithium battery and the second lithium battery, the input end of the voltage detection device is connected with the first lithium battery and the second lithium battery, the output end of the voltage detection device is connected with the input end of the control device, and the output end of the control device is connected with the second input end of the second relay.
Preferably, the low power consumption electrostatic data collector further includes: a reminder device;
the reminding device comprises: a buzzer and an indicator light;
and the output end of the control device is respectively connected with the input ends of the buzzer and the indicator lamp.
Preferably, a low power consumption electrostatic data collector:
a screw hole is formed outside the collector shell;
the reminding device is connected with the screw holes in a nested mode through screws, and the reminding device is fixedly connected with the collector shell.
Preferably, the low power consumption electrostatic data collector further includes: a ground wire clamp;
one end of the ground wire clamp is electrically connected with the electrostatic sensor, the controller, the data transmission unit, the first relay and the power supply respectively;
the other end of the ground wire clamp is connected with a ground wire.
Preferably, a low power consumption electrostatic data collector:
the ground wire is provided with a sheath body, wherein the sheath body comprises an inner protecting pipe and an outer protecting pipe;
the inner protection pipe and the outer protection pipe are both of a cavity structure, wherein the ground wire is fixedly connected with the cavity of the inner protection pipe, and the inner protection pipe is fixedly connected with the cavity of the outer protection pipe.
Preferably, a low power consumption electrostatic data collector:
the inner protecting pipe is an insulating protecting pipe, wherein the insulating protecting pipe is a PVC pipe;
the outer protecting pipe is a steel armored sleeve.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic diagram of an operation of a low power consumption electrostatic data collector in an embodiment of the present invention;
FIG. 2 is a diagram illustrating a positional relationship between a fixing hole, a fixing pin, and a fixing groove of a low power consumption electrostatic data collector according to an embodiment of the present invention;
fig. 3 is a structural diagram of a ground wire sheath body in a low-power consumption electrostatic data collector in an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
the embodiment provides a low-power consumption electrostatic data collector, as shown in fig. 1, including a collector housing 1;
the collector shell 1 is of a cavity structure, and an electrostatic sensor 2, a controller 3, a data transmission unit 4, a first relay 5 and a power supply 6 are arranged in the collector shell;
the electrostatic sensor 2 is connected with the collector shell 1 in a nested manner, the output end of the electrostatic sensor 2 is connected with the first input end of the controller 3, the first output end of the controller 3 is connected with the input end of the first relay 5, the output end of the first relay 5 is connected with the input end of the electrostatic sensor 2, the second output end of the controller 3 is connected with the input end of the data transmission unit 4, the output end of the data transmission unit 4 is connected with the second input end of the controller 3, and the power supply 6 is electrically connected with the electrostatic sensor 2, the controller 3, the data transmission unit 4 and the first relay 5 respectively;
wherein, the data transmission unit 4 includes: an antenna 41, a low noise amplifier 42, a frequency generator 43, a mixer 44, and a modem 45;
the antenna 41 is bidirectionally connected to the low noise amplifier 42, the low noise amplifier 42 is bidirectionally connected to the mixer 44, the frequency generator 43 is bidirectionally connected to the mixer 44, the mixer 44 is bidirectionally connected to the modem 45, and the modem 45 is bidirectionally connected to the controller 3.
The working principle of the technical scheme is as follows: receiving an electrostatic data acquisition pulse signal instruction sent by a wireless communication device of a management terminal through an antenna in a data transmission unit, performing low-noise amplification processing on the received electrostatic data acquisition pulse signal instruction through a low-noise amplifier to obtain a processed pulse signal, transmitting the processed pulse signal to a mixer, generating a frequency signal by a frequency generator, transmitting the frequency signal to the mixer, mixing the processed pulse signal and the frequency signal by the mixer to obtain a communication electric signal, performing protocol conversion on the communication electric signal through a modem to obtain an electric signal, and transmitting the electric signal to a controller;
the controller controls the first relay to start working according to the electric signal, meanwhile, the first relay controls the electrostatic sensor to collect electrostatic data of a production workshop at intervals, the collected electrostatic data are transmitted to the controller, meanwhile, the controller transmits the received electrostatic data to a modem, a frequency mixer, a frequency generator, a low noise amplifier and an antenna in the data transmission unit, the modem, the frequency mixer, the frequency generator and the low noise amplifier perform inverse processing on the received electrostatic data, and the processed electrostatic data are transmitted to an external data receiving terminal through the antenna.
The model of the electrostatic sensor is AP-YV 3302-H.
The controller can be a single chip microcomputer chip AT89C 51.
The model number of the first relay is Y13F.
The power supply is a lithium battery.
The low noise amplifier is of the type PE15A 1000.
The frequency generator is model AWA 1651.
The model of the mixer is MM 1-0312S.
The model of the modem is DL-1200/AC.
The beneficial effects of the above technical scheme are: the static data are collected through the static sensor, the controller, the data transmission unit, the first relay and the power supply, the static abnormal condition of the current production workshop can be known conveniently in real time, meanwhile, the relay is collected intermittently, and the static collection detection requirement is met while the power consumption is reduced.
Example 2:
on the basis of the foregoing embodiment 1, this embodiment provides a low-power consumption electrostatic data collector, as shown in fig. 2, further including a fixing bolt 7;
a plurality of fixing grooves 8 are formed in the collector shell 1, fixing holes 9 are formed beside the fixing grooves, and the fixing bolts 7 are fixed with the fixing holes 9 in an embedded mode;
the electrostatic sensor 2, the controller 3, the data transmission unit 4, the first relay 5 and the power supply 6 are respectively placed in corresponding fixing grooves 8, and the electrostatic sensor 2, the controller 3, the data transmission unit 4, the first relay 5 and the power supply 6 are fixed in a nested manner through fixing bolts 7 and fixing holes 9.
The collector shell is made of wood.
The beneficial effects of the above technical scheme are: through placing electrostatic sensor, controller, data transmission unit, first relay and power in the collector casing and fix, be convenient for protect components and parts, be convenient for simultaneously according to gathering needs, place low-power consumption electrostatic data collector at corresponding operating position, improved electrostatic data acquisition's rate of accuracy and convenience.
Example 3:
on the basis of the foregoing embodiment 1, this embodiment provides a low-power consumption electrostatic data collector, which further includes a display screen;
the outer surface of the collector shell is provided with a groove, the bottom in the groove is provided with a limiting groove and a clamping block, and the clamping block is fixedly connected with the limiting groove;
the display screen is connected with the groove in a nested manner and is fixed through the limiting groove and the clamping block;
the display screen is in wireless connection with the data transmission unit.
The display screen may be a liquid crystal display screen.
The clamping block is made of wood materials and can be made of mechanical wood.
The display screen and the data transmission unit are wirelessly connected in a Bluetooth mode.
The beneficial effects of the above technical scheme are: through setting up recess, spacing groove and joint piece, realize carrying out safe fixed to the display screen to be convenient for realize showing the static data condition of gathering on the display screen, be convenient for directly perceivedly when looking over the static data condition.
Example 4:
on the basis of the foregoing embodiment 1, this embodiment provides a low power consumption electrostatic data collector, which is characterized in that:
the power supply includes: a first lithium battery and a second lithium battery;
the first lithium battery and the second lithium battery are connected in parallel;
the output end of the first lithium battery and the output end of the second lithium battery which are connected in parallel are respectively electrically connected with the electrostatic sensor, the controller, the data transmission unit and the first relay.
The model number of the lithium battery is 18650.
The beneficial effects of the above technical scheme are: through setting up two lithium cells, be convenient for improve the duration of collector, connect two batteries in parallel simultaneously, ensured to provide stable electric energy to each work original paper in the collector.
Example 5:
on the basis of the above embodiment 4, this embodiment provides a low-power consumption electrostatic data collector, further including: the charging interface, the second relay, the control device and the voltage detection device;
the output end of the charging interface is connected with the first input end of the second relay, the output end of the second relay is respectively connected with the input ends of the first lithium battery and the second lithium battery, the input end of the voltage detection device is connected with the first lithium battery and the second lithium battery, the output end of the voltage detection device is connected with the input end of the control device, and the output end of the control device is connected with the second input end of the second relay.
The working principle of the technical scheme is as follows: the charging voltage of the first lithium battery and the charging voltage of the second lithium battery are detected in real time through the voltage detection device, when the charging voltage reaches a preset value, a power-off signal is sent to the control device, and the control device controls the second relay to cut off the charging interface and the charging operation of the first lithium battery and the charging operation of the second lithium battery according to the power-off signal.
The charging interface may be a USB interface.
The model of the second relay is JZX-22F (D)/4Z.
The type of the control device is a singlechip chip AT89C 52.
The model number of the voltage detection device is DT 1-220V/C.
The beneficial effects of the above technical scheme are: through the charging voltage of voltage detection device real-time detection lithium cell, be convenient for when the battery is full of electricity, in time cut off the operation of charging to the lithium cell, ensured the safety of charging to the battery to in order to carry out overcharge to the battery.
Example 6:
on the basis of the above embodiment 5, this embodiment provides a low-power consumption electrostatic data collector, further including: a reminder device;
the reminding device comprises: a buzzer and an indicator light;
and the output end of the control device is respectively connected with the input ends of the buzzer and the indicator lamp.
The buzzer is 12085 buzzer.
The model number of the indicator light is AD 16-22D/S.
The beneficial effects of the above technical scheme are: through setting up bee calling organ and pilot lamp, be convenient for remind the operation when being full of the electricity to the lithium cell, improved the factor of safety of charging to the lithium cell.
Example 7:
on the basis of the above embodiment 6, this embodiment provides a low power consumption electrostatic data collector:
a screw hole is formed outside the collector shell;
the reminding device is connected with the screw holes in a nested mode through screws, and the reminding device is fixedly connected with the collector shell.
The beneficial effects of the above technical scheme are: through setting up screw and screw, realize the fixed to reminding device, ensured that reminding device can play effectual warning effect.
Example 8:
on the basis of the foregoing embodiment 1, this embodiment provides a low power consumption electrostatic data collector, further including: a ground wire clamp;
one end of the ground wire clamp is electrically connected with the electrostatic sensor, the controller, the data transmission unit, the first relay and the power supply respectively;
the other end of the ground wire clamp is connected with a ground wire.
The ground clamp is made of copper.
The ground wire is made of a single-core copper wire.
The beneficial effects of the above technical scheme are: by arranging the ground wire pliers and the ground wire, the electrostatic data can not damage the collector when being collected, and the use safety of the collector is improved.
Example 9:
on the basis of the foregoing embodiment 8, this embodiment provides a low power consumption electrostatic data collector, as shown in fig. 3:
the ground wire is provided with a sheath body, wherein the sheath body comprises an inner protecting pipe 101 and an outer protecting pipe 102;
the inner protection pipe 101 and the outer protection pipe 102 are both of a cavity structure, wherein the ground wire is fixedly connected with the cavity of the inner protection pipe 101, and the inner protection pipe 101 is fixedly connected with the cavity of the outer protection pipe 102.
The beneficial effects of the above technical scheme are: through setting up the sheath body, realize the effective protection to the ground wire, reduce the wearing and tearing to the ground wire, the life of reinforcing ground wire has also improved the life of collector simultaneously.
Example 10:
on the basis of the above embodiment 9, this embodiment provides a low power consumption electrostatic data collector:
the inner protecting pipe is an insulating protecting pipe, wherein the insulating protecting pipe is a PVC pipe;
the outer protecting pipe is a steel armored sleeve.
The beneficial effects of the above technical scheme are: through setting up insulating pillar, the effectual propagation that prevents static sets up the wearability that steel armour sleeve pipe has strengthened the pillar simultaneously, has prolonged the life of ground wire.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A low-power consumption static data collector is characterized by comprising a collector shell;
the collector shell is of a cavity structure, and a static sensor, a controller, a data transmission unit, a first relay and a power supply are arranged inside the collector shell;
the electrostatic sensor is connected with the collector shell in a nested manner, the output end of the electrostatic sensor is connected with the first input end of the controller, the first output end of the controller is connected with the input end of the first relay, the output end of the first relay is connected with the input end of the electrostatic sensor, the second output end of the controller is connected with the input end of the data transmission unit, the output end of the data transmission unit is connected with the second input end of the controller, and the power supply is electrically connected with the electrostatic sensor, the controller, the data transmission unit and the first relay respectively;
wherein the data transmission unit includes: an antenna, a low noise amplifier, a frequency generator, a mixer and a modem;
the antenna is bidirectionally connected with the low noise amplifier, the low noise amplifier is bidirectionally connected with the mixer, the frequency generator is bidirectionally connected with the mixer, the mixer is bidirectionally connected with the modem, and the modem is bidirectionally connected with the controller.
2. The low-power consumption electrostatic data collector according to claim 1, further comprising a fixing bolt;
a plurality of fixing grooves are formed in the collector shell, fixing holes are formed beside the fixing grooves, and the fixing bolts are embedded and fixed with the fixing holes;
the electrostatic sensor, the controller, the data transmission unit, the first relay and the power supply are respectively placed in the corresponding fixing grooves, and the electrostatic sensor, the controller, the data transmission unit, the first relay and the power supply are nested and fixed through the fixing bolts and the fixing holes.
3. The low-power consumption electrostatic data collector according to claim 1, further comprising a display screen;
the outer surface of the collector shell is provided with a groove, the bottom in the groove is provided with a limiting groove and a clamping block, and the clamping block is fixedly connected with the limiting groove;
the display screen is connected with the groove in a nested manner and is fixed through the limiting groove and the clamping block;
the display screen is in wireless connection with the data transmission unit.
4. The low-power consumption electrostatic data collector according to claim 1, characterized in that:
the power supply includes: a first lithium battery and a second lithium battery;
the first lithium battery and the second lithium battery are connected in parallel;
the output end of the first lithium battery and the output end of the second lithium battery which are connected in parallel are respectively electrically connected with the electrostatic sensor, the controller, the data transmission unit and the first relay.
5. The low-power consumption electrostatic data collector of claim 4, further comprising: the charging interface, the second relay, the control device and the voltage detection device;
the output end of the charging interface is connected with the first input end of the second relay, the output end of the second relay is connected with the input ends of the first lithium battery and the second lithium battery respectively, the input end of the voltage detection device is connected with the first lithium battery and the second lithium battery, the output end of the voltage detection device is connected with the input end of the control device, and the output end of the control device is connected with the second input end of the second relay.
6. The low-power consumption electrostatic data collector of claim 5, further comprising: a reminder device;
the reminding device comprises: a buzzer and an indicator light;
and the output end of the control device is respectively connected with the input ends of the buzzer and the indicator lamp.
7. The low-power consumption electrostatic data collector of claim 6, wherein:
a screw hole is formed outside the collector shell;
the reminding device is connected with the screw holes in a nested mode through screws, and the reminding device is fixedly connected with the collector shell.
8. The low-power consumption electrostatic data collector of claim 1, further comprising: a ground wire clamp;
one end of the ground wire clamp is electrically connected with the electrostatic sensor, the controller, the data transmission unit, the first relay and the power supply respectively;
the other end of the ground wire clamp is connected with a ground wire.
9. The low-power consumption electrostatic data collector according to claim 8, characterized in that:
the ground wire is provided with a sheath body, wherein the sheath body comprises an inner protecting pipe and an outer protecting pipe;
the inner protection pipe and the outer protection pipe are both of a cavity structure, wherein the ground wire is fixedly connected with the cavity of the inner protection pipe, and the inner protection pipe is fixedly connected with the cavity of the outer protection pipe.
10. The low-power consumption electrostatic data collector of claim 9, wherein:
the inner protecting pipe is an insulating protecting pipe, wherein the insulating protecting pipe is a PVC pipe;
the outer protecting pipe is a steel armored sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103019.9U CN216747899U (en) | 2022-01-12 | 2022-01-12 | Low-power consumption static data collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103019.9U CN216747899U (en) | 2022-01-12 | 2022-01-12 | Low-power consumption static data collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216747899U true CN216747899U (en) | 2022-06-14 |
Family
ID=81915062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220103019.9U Active CN216747899U (en) | 2022-01-12 | 2022-01-12 | Low-power consumption static data collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216747899U (en) |
-
2022
- 2022-01-12 CN CN202220103019.9U patent/CN216747899U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0944153A3 (en) | Power tool charging system having a charge level indicator and charge control functions | |
| CN103683365B (en) | The charging system of electronic equipment and charging base | |
| CN216747899U (en) | Low-power consumption static data collector | |
| CN206790138U (en) | A kind of portable power source | |
| CN104900002A (en) | GPS-and-electric-field-intensity-based apparatus and method for external destruction prevention at power transmission line | |
| CN207248384U (en) | A kind of intelligent wireless monitors wire clamp system | |
| CN206876844U (en) | Power communication battery wireless monitor integrated device | |
| CN110165752A (en) | Wireless charge and discharge device and its charging/discharging thereof | |
| CN210778883U (en) | Intelligent battery based on thing networking real time monitoring battery state | |
| CN212323791U (en) | Take brushless motor control function's battery protection shield | |
| CN214280226U (en) | Integrated intelligent grounding box device | |
| CN204330170U (en) | High pressure passive and wireless temp measuring system | |
| CN107389223A (en) | A kind of intelligent wireless monitors wire clamp system | |
| CN210657142U (en) | Transformer substation grounding device cathodic protection potential detection system | |
| CN213879394U (en) | Remote controller with wireless charging function for coal mine | |
| CN210517834U (en) | Charge and discharge management system capable of prolonging service life of storage battery | |
| CN208571721U (en) | A kind of wireless charge-discharge system of mobile power source | |
| CN113552411A (en) | Transformer core current data instrument | |
| CN203104056U (en) | Mobile power supply | |
| CN105634095A (en) | Novel storage battery charging circuit | |
| CN207926270U (en) | A kind of direct current cabinet with drawer type accumulator group | |
| CN216792430U (en) | Marketing on-spot multi-functional operation appearance | |
| CN103985914A (en) | Intelligent storage battery capable of self health diagnosis | |
| CN204831575U (en) | Miniature wireless temperature measurement system for cable | |
| CN213274297U (en) | Power supply device of movable output detection sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |