CN206302069U - Power supply box - Google Patents
Power supply box Download PDFInfo
- Publication number
- CN206302069U CN206302069U CN201621462694.1U CN201621462694U CN206302069U CN 206302069 U CN206302069 U CN 206302069U CN 201621462694 U CN201621462694 U CN 201621462694U CN 206302069 U CN206302069 U CN 206302069U
- Authority
- CN
- China
- Prior art keywords
- power supply
- supply box
- real
- output
- time
- 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
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model provides a kind of power supply box, is related to Power Supply Monitoring technical field.Power supply box includes：Casing, the output port of power source being arranged on the casing, the output alarm modules being arranged in the casing, output alarm modules are used to generate alarm signal according to the real-time status parameter of the output port, and alarm is carried out with the real-time status abnormal parameters.The power supply box that the utility model is provided, monitor in real time is carried out by output port, the abnormal conditions of output voltage can in time be obtained, and alarm is carried out in time, the output abnormality situation of power supply box is set to be found in time, and then the reliability of power supply box is improve, ensure the safety of the equipment being connected with power supply box.
Description
Technical field
The utility model is related to Power Supply Monitoring technical field, more particularly to a kind of power supply box.
Background technology
Existing power supply box, the voltage of national grid change and thinks that the equipment of power supply box connection is powered, so that electric
The equipment normal work of source case connection.But in real life, the supply voltage that national grid is provided fluctuates larger sometimes, makes power supply
There is fluctuation in the voltage after case conversion, it is impossible to ensure the stability of output voltage, when voltage output is abnormal, easily connect outside
The device damage for connecing, produces larger loss.
But in existing power supply box, have no monitoring output voltage device, it is impossible to ensure power supply box output abnormality and
When be found.
Utility model content
In view of this, to solve the above problems, the utility model provides a kind of power supply box, increases defeated by power supply box
Go out alarm device, so as to can in time carry out alarm in the output abnormality of power supply box, so that the output abnormality situation of power supply box
Can be found in time.
The utility model embodiment provides a kind of power supply box, including：Casing, and it is arranged on the output end on the casing
Mouthful, it also includes the output alarm modules being arranged in the casing, for the real-time status parameter according to the output port
Generation alarm signal, alarm is carried out with the real-time status abnormal parameters.
Specifically, in the utility model any embodiment, the output alarm modules are additionally operable in the real-time status
During abnormal parameters, the power supply output of the output port of power source is cut off.
Specifically, in the utility model any embodiment, also include：Sample circuit, the output end with the power supply box
Mouth connection, to gather the real-time status parameter of the output port, the sample circuit electrically connects with the output alarm modules
Connect, so that the output alarm modules obtain the real-time status parameter that the sample circuit is collected.
Specifically, in the utility model any embodiment, the real-time status parameter includes real-time voltage value.
Specifically, in the utility model any embodiment, the output alarm modules include：At least one voltage ratio compared with
Device, for comparing the real-time voltage value with default magnitude of voltage to generate the alarm signal.
Specifically, in the utility model any embodiment, the output alarm modules also include voltage processor, are used for
According to the output result of the voltage comparator, the alarm signal is generated.
Specifically, in the utility model any embodiment, also include：Alarm device, for according to the alarm signal
Send corresponding alarm.
Specifically, in the utility model any embodiment, the output port of power source is output as 12V direct currents, 24V
The combination of any one or more in direct current.
Specifically, in the utility model any embodiment, also include：It is arranged on the TEMP inside the power supply box
Device, fan governor, wherein,
The temperature sensor is used to sense the real-time temperature values of the power supply box；
The fan governor is used for turning for the fan being arranged in the power supply box according to real-time temperature values control
Speed, to control the real time temperature in the power supply box.
Specifically, in the utility model any embodiment, also include：Processor, for processing the temperature sensor
The real-time temperature values that sensing is obtained, and the tachometer value of the fan is calculated according to the real-time temperature values, so that institute
State the rotating speed that fan governor controls fan according to the tachometer value.
A kind of power supply box that the utility model embodiment is provided, including：Casing, the power supply being arranged on casing output
Port, the output alarm modules being arranged in the casing, output alarm modules are used for the real-time shape according to the output port
State parameter generates alarm signal, and alarm is carried out with the real-time status abnormal parameters.The power supply box that the utility model is provided,
Monitor in real time is carried out by output port, the abnormal conditions of output voltage can be in time obtained, and carries out alarm in time, make electricity
The output abnormality situation of source case can be found in time, and then improve the reliability of power supply box, has been ensured and has been connected with power supply box
Equipment safety.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of power supply box structural representation that Fig. 1 is provided for the utility model embodiment；
A kind of power supply box structural representation that Fig. 2 is provided for the utility model embodiment；
Start stopping control circuit control and contactor in a kind of power supply box that Fig. 3 is provided for the utility model embodiment
The circuit theory diagrams of connection；
A kind of power supply box structural representation that Fig. 4 is provided for the utility model embodiment；
A kind of power supply box top structure schematic diagram that Fig. 5 is provided for the utility model embodiment；
A kind of circuit theory diagrams of power supply box electrical equipment that Fig. 6 is provided for the utility model embodiment.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
A kind of power supply box structural representation that Fig. 1 is provided for the utility model embodiment, as illustrated, it includes：Casing
1st, the output port 2 being arranged on the casing 1, the output alarm modules 3 being arranged in the casing 1, wherein,
Output port 2 is the port of power supply box out-put supply, can include the galvanic direct current output port of output and defeated
Go out the ac output end mouthful of alternating current.The direct current of the output of the output port of power source 2 can include that 12V direct currents, 24V are straight
The combination of any one or more in stream electricity, is integrated in power supply box by by various low-voltage dc power supply modules, can make
Power supply box is adapted to the low-voltage equipment of majority, so as to improve the practicality of power supply box.The real-time status parameter of output port 2 can
To include：Real-time voltage value, real-time current value, realtime power value of output port 2 etc..
Output alarm modules 3 are used to generate alarm signal according to the real-time status parameter of the output port 2, with described
Alarm is carried out during real-time status abnormal parameters.
Specifically, as shown in Fig. 2 can include in power supply box：Sample circuit 4, sample circuit 4 is defeated with the power supply box
Exit port 2 is connected, to gather the real-time status parameter of the output port 2.
When the real-time status parameter is real-time voltage value, the sample circuit 4 is voltage sampling circuit, the output police
Report module 3 includes：At least one voltage comparator 5, for compare sample circuit 4 collection the real-time voltage value with it is default
Magnitude of voltage, to generate the alarm signal.
Specifically, voltage comparator 5 can include multiple, and respectively different voltage comparators 5 preset different voltages
Value, so that the real-time voltage value of collection can compare with multiple default magnitudes of voltage, so as to divide many belonging to real-time voltage value
Individual scope.
Specifically, the quantity of voltage comparator 5 is true according to the situation of external equipment with the preset voltage value of voltage comparator 5
Fixed, when such as the real-time voltage value of power supply box output is in the range of a-b, equipment running status are good, the real-time electricity of power supply box output
When pressure value is less than a or is less than c more than b, equipment can normally be run, but running status is poor, the real-time voltage of power supply box output
When value is more than c, equipment can cause to damage because voltage is excessive.Now, voltage comparator 5 can include three, voltage comparator 5
Preset voltage value can be a, b, c, the scope belonging to real-time voltage value is judged by the output result of voltage comparator 5.
Specifically, the output alarm modules 3 also include voltage processor 6, for according to the defeated of the voltage comparator 5
Go out result, judge the scope belonging to real-time voltage value, the alarm signal is generated further according to affiliated scope.
If the scope belonging to voltage is less than c, the output generation voltage deviation alarm of alarm modules 3 less than a or more than b
Signal.Specifically, power supply box also includes：Alarm device, for sending corresponding alarm according to the alarm signal.
If the scope belonging to voltage is more than c, output alarm modules 3 can also control power module to terminate output.Tool
Body ground, as shown in figure 3, the controlling switch 30 being connected with output alarm modules 3, switch can be increased in unit output port 2
The normally closed normal output to keep output port 2, when the scope belonging to voltage is more than c, the output alarm modules 3 disconnect
Controlling switch 30, is exported with the power supply for disconnecting the output port of power source 2.
As a example by following DC12V control contactors, DC24V control contactors, to controlling control by starting stopping control circuit
Contactless contactor processed, to control the principle of output of power module to be described in detail：
Start stopping control circuit control and contactor in a kind of power supply box that Fig. 3 is provided for the utility model embodiment
The circuit theory diagrams of connection, as shown in figure 3, it includes：
Direct current starts stopping control circuit 21, DC12V DC controls contactor 23, DC24V DC controls contactor 24, friendship
Stream starts stopping control circuit 31, exchange control contactor 32.After pressing direct current start button 211, direct current starts and stops control
The energization adhesive of normally opened contact 213 of circuit 21, make DC12V control contactors 22, DC24V control contactors 23 direct current start by
After button 211 disconnects, can be powered with self-sustaining, so that the DC12V power modules of power supply box keep continuing with DC24V power modules
Power supply output；After pressing direct current stop button 212, control circuit disconnects the connection with power supply, so that the power supply of power module
Output stops.The starting pinciple for exchanging control contactor 32 is identical with DC control contactor.
DC12V control contactors 22, DC24V control contactors 23 are connected one and are touched as the normally closed of controlling switch 30 respectively
Point, output alarm modules 3 can control normally-closed contact to disconnect, so that the connection of control contactor and its power supply is disconnected, so that right
The power supply output of the power module answered stops.
AC starting stopping control circuit 31 equally include AC starting button 311, exchange stop button 312, it is normally opened touch
Point 313 and the normally-closed contact as controlling switch 30 of the exchange series connection of control contactor 32.Principle starts with dc switch and stops
Only control circuit is similar to, and will not be repeated here.
A kind of power supply box that embodiment of the present utility model is provided, including：Casing, the power supply being arranged on the casing are defeated
Exit port, the output alarm modules being arranged in the casing, output alarm modules are used for according to the real-time of the output port
State parameter generates alarm signal, and alarm is carried out with the real-time status abnormal parameters, and reality is carried out by output port
When monitor, can in time obtain the abnormal conditions of output voltage, and carry out alarm in time, make the output abnormality situation of power supply box can
To be found in time, and then the reliability of power supply box is improve, ensured the safety of the equipment being connected with power supply box.
Specifically, in another embodiment of the utility model, power supply box also includes：It is arranged on the temperature inside the power supply box
Degree sensor, fan governor, wherein,
The temperature sensor is arranged on outside the power module inside casing 1, the real-time temperature for sensing the power supply box
Angle value；
The fan governor is used for turning for the fan being arranged in the power supply box according to real-time temperature values control
Speed, to control the real time temperature in the power supply box, to realize the temperature automatic adjustment in power supply box.
Specifically, in the present embodiment, also include：Processor, for processing described in the temperature sensor senses obtain
Real-time temperature values, and the tachometer value of the fan is calculated according to the real-time temperature values, so that the fan governor root
The rotating speed of fan is controlled according to the tachometer value.
When temperature is too high, such as temperature be more than 35 DEG C when, to prevent Power Supply fittings from burning, processor determine fan turn
Speed is height, so that fan governor control fan rotates at a high speed, makes power supply box fast cooling；Weak mains the temperature inside the box is relatively low, such as
When temperature is in the range of 20 DEG C -35 DEG C, so that it is low that fan governor controls the rotating speed of fan, to keep the normal of power supply box to dissipate
Heat；During such as temperature in the range of -30 DEG C -20 DEG C, the rotating speed of the fan that processor determines is 0, so that fan governor control wind
Fan stops the rotation, to save the electric energy of power supply box consumption, while improving the delivery efficiency of power supply box.
A kind of power supply box that the present embodiment is provided, also includes：It is arranged on temperature sensor, fan inside the power supply box
Controller, wherein, the temperature sensor is used to sense the real-time temperature values of the power supply box；The fan governor is used for root
The rotating speed of the fan in the power supply box is arranged on according to real-time temperature values control, to control the real-time temperature in the power supply box
Degree, monitor in real time is carried out by the temperature in power supply box, to adjust the rotating speed of fan in time, realizes the intelligence of power supply box temperature
Can control, can both prevent power supply box to overheat and burn Power Supply fittings, the electric energy of the consumption of power supply box can be effectively reduced again, together
The delivery efficiency of Shi Tigao power supply boxs.
The another embodiment of the utility model provides a kind of power supply box structural representation, as shown in figure 4, it includes：Power supply is defeated
Inbound port 41, breaker 411, wave filter 412, standby power module 415, exchange control contactor 32, output port 42, first
DC control contactor 22, the first power module 221, the second DC control contactor 23, second source module 231, single-chip microcomputer
24th, alarm device, temperature sensor 45, fan 46, display screen 44.
As shown in Figure 4,5, power input port 41, output port 42, alarm device, display screen 44 are arranged on power supply box
Top.As shown in figure 5, same out-put supply can include multiple output ports 42, the first dc source as shown in Figure 5
Output port 421, the second DC power output end mouth 422, ac output end 423；Alarm device can include audible-visual annunciator
43.As shown in figure 5, casing top is also provided with DC control port 47, with the switch that direct current starts stopping control circuit 21
Button connects, to control the opening and closing of direct current output port；Exchange control port 48, with AC starting stopping control circuit
31 shift knob connection, to control the opening and closing of ac output end mouthful；Socket 49 is safeguarded, is the maintenance work of external connection
Tool power supply；Relay indicating light 431, for showing current operating state etc..
As shown in figure 4, the breaker 411 of power supply box, wave filter 412, standby power module 415, exchange control contactor
32nd, the first DC control contactor 22, the first power module 221, the second DC control contactor 23, second source module 231,
Single-chip microcomputer 24 (not marked in figure), temperature sensor 45 (not marked in figure) are arranged in power supply box, the first power module
221st, second source module 231 is connected after fuse 424 with output port 42.
As shown in fig. 6, the input power of power supply box is connected after input interface is accessed with breaker 411, power supply is thought
Case provides protection.Breaker 411 is miniature circuit breaker and residual current operated protective device, can disconnect input port in circuit abnormality
With the connection of whole power supply box so that power supply box can directly with general supply cut off connect, with for power supply box provide earth leakage protective,
Short-circuit protection, overload protection function.As shown in figure 4, a gathering hole 413 can be set outside power supply box, gathering hole 413 can set
Put on the dodge gate 414 of power box body 1, and position is corresponding with the position of breaker 411, with the connecting line to power supply box
After the maintenance of road, the annexation of power supply box internal circuit and input port 41 is recovered by 413 operating breaker of gathering hole 411.
The source current of access after breaker 411 by, to wave filter 412, to eliminate clutter, making the power supply of access more
Stabilization.Power supply after filtered can be as the first DC control contactor 22, the second DC control contactor 23, exchange control
The input power of contactor 32.
Rear UNICOM is to standby power module 415 and defeated after standby power module 415 is converted after filtering for input power
Go out DC24V power supplys, this out-put supply can be connected with single-chip microcomputer 24, be that single-chip microcomputer 24 is powered.
This out-put supply can also with the first DC control contactor 22, the second DC control contactor 23, exchange control
Control circuit (such as AC starting stopping control circuit 31, direct current starts stopping control circuit 21) connection of contactor 32.Pass through
The startup stopping principle for starting stopping control circuit control control contactor has been illustrated in the embodiment above, herein not
Repeat again.Because the input of the first DC control contactor 22, the second DC control contactor 23, exchange control contactor 32 is electric
Source is the power supply for exporting afterwards after filtering, with directly by the break-make for controlling control contactor input power compared with, by input
Voltage controls the first DC control contactor 22, the second DC control contactor 23, exchange control for the control circuit of DC24V power supplys
Contactor processed 32, can reach the effect that high-tension circuit is controlled by low-voltage circuit, use power supply box safer.
First power module 221 is connected with the first sample circuit 222, the first sample circuit 222 and first voltage comparator
223 series connection, first voltage comparator 223 are connected with single-chip microcomputer 24, and the first sample circuit 222 is defeated with the first power module 221
Go out end to be connected, to be connected with the first direct current output port 421 indirectly, with the output supply voltage to the first power module 221
Sampled, first voltage comparator 223 compares the sampling voltage and default magnitude of voltage that obtain, and by comparative result export to
Single-chip microcomputer 24, so that single-chip microcomputer 24 determines the voltage range belonging to the real-time voltage value of power module output, and according to scope
Generation alarm signal, single-chip microcomputer 24 is connected by drive circuit 241 with audible-visual annunciator 43, display screen 44, with according to alarm signal
Number control audible-visual annunciator 43, the corresponding alarm of output of display screen 44.
Specifically, the first power module 221 can be DC12V power modules, then the first sample circuit 222 is adopted for DC12V
Sample circuit, first voltage comparator 223 can include three, its default magnitude of voltage can be respectively DC10V, DC14V,
DC16V.Scope of the single-chip microcomputer 24 according to belonging to the output result of first voltage comparator 223 judges real-time voltage value, if in real time
Magnitude of voltage less than DC10V and higher than DC14V be less than DC16V when, single-chip microcomputer 24 generation alarm signal, and control acoustooptic alarm with
Display screen sends corresponding alarm, if real-time voltage value is higher than DC16V, single-chip microcomputer 24 directly disconnects DC control contactor
Controlling switch 30, to cut off the output of DC12V power modules.
In the present embodiment, also it is monitored including the output voltage to second source module 231, specifically, second source
Module 231 is similar with the first power module 221 with the second sample circuit 232, the connection of second voltage comparator, no longer goes to live in the household of one's in-laws on getting married herein
State.By the way that after second voltage comparator, single-chip microcomputer 24 determines second source according to the output result of second voltage comparator 233
Voltage range belonging to the magnitude of voltage of the output of module 231, and alarm signal is generated according to it.
Specifically, second source module 231 can be DC24V power modules, then the second sample circuit 232 is adopted for DC24V
Sample circuit, second voltage comparator 233 can include three, its default magnitude of voltage can be respectively DC22V, DC26V,
DC28V.Scope of the single-chip microcomputer 24 according to belonging to the output result of second voltage comparator 233 judges real-time voltage value, if in real time
Magnitude of voltage less than DC22V and higher than DC26V be less than DC28V when, single-chip microcomputer 24 generation alarm signal, and control acoustooptic alarm with
Display screen sends corresponding alarm, if real-time voltage value is higher than DC28V, the direct deenergization module of single-chip microcomputer 24 and direct current control
Controlling switch 30 between contactor processed, to cut off the output of DC24V power modules.Single-chip microcomputer 24 can also be by drive circuit
241 control display screens show the real-time voltage value of the first power module 221 and the output of second source module 231.
In the present embodiment, single-chip microcomputer 24 integrates SCM system with drive circuit 241, sample circuit, control circuit,
SCM system can be placed in inside power module.
In the present embodiment, also including realizing the Based Intelligent Control to power supply box temperature by temperature sensor 45.Specifically, if
The temperature sensor 45 in power supply box is put directly to be connected with single-chip microcomputer 24, and the real-time temperature values of the power supply box that will be obtained send
To single-chip microcomputer 24, single-chip microcomputer 24 determines the rotating speed of fan 46, and lead to according to the real-time temperature values and default temperature range that obtain
The control fan 46 of overdrive circuit 241 rotates.In the present embodiment, as illustrated, being additionally provided with air inlet on the side wall of power supply box
461, air inlet 461 is used cooperatively with fan 46, and a complete air channel is formed in power supply box, improves the radiating effect of fan 46
Rate.
In the present embodiment, temperature sensor 45 can also be integrated with single-chip microcomputer 24 to be incorporated to SCM system, is set with reducing
Space needed for putting temperature sensor 45.
The power supply box that the present embodiment is provided, can be most low by integrated DC12V power modules, DC24V power modules
Pressure equipment is powered, with compatibility higher, and sample circuit, voltage comparator, monolithic by being arranged on inside power supply box
Machine, it is possible to achieve to the monitor in real time of the output voltage of power supply box；Realized by being arranged on the temperature sensor inside power supply box
It is easy to use, safe to the Based Intelligent Control of power supply box internal temperature.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (10)
1. a kind of power supply box, including：Casing, and it is arranged on the output port on the casing, it is characterised in that also including setting
The output alarm modules in the casing are put, for generating alarm signal according to the real-time status parameter of the output port,
Alarm is carried out with the real-time status abnormal parameters.
2. power supply box according to claim 1, it is characterised in that the output alarm modules are additionally operable in the real-time shape
During state abnormal parameters, the power supply output of the output port of power source is cut off.
3. power supply box according to claim 1, it is characterised in that also include：Sample circuit, the output with the power supply box
Port connects, and to gather the real-time status parameter of the output port, the sample circuit is electric with the output alarm modules
Connection, so that the output alarm modules obtain the real-time status parameter that the sample circuit is collected.
4. power supply box according to claim 1, it is characterised in that the real-time status parameter includes real-time voltage value.
5. power supply box according to claim 4, it is characterised in that the output alarm modules include：At least one voltage
Comparator, for comparing the real-time voltage value with default magnitude of voltage to generate the alarm signal.
6. power supply box according to claim 5, it is characterised in that the output alarm modules also include voltage processor,
For the output result according to the voltage comparator, the alarm signal is generated.
7. power supply box according to claim 1, it is characterised in that also include：Alarm device, for according to the alarm signal
Number send corresponding alarm.
8. power supply box according to claim 1, it is characterised in that the output port of power source be output as 12V direct currents,
The combination of any one or more in 24V direct currents.
9. power supply box according to claim 1, it is characterised in that also include：It is arranged on the temperature inside the power supply box
Sensor, fan governor, wherein,
The temperature sensor is used to sense the real-time temperature values of the power supply box；
The fan governor is used to be arranged on according to the real-time temperature values control rotating speed of the fan in the power supply box, with
Control the real time temperature in the power supply box.
10. power supply box according to claim 9, it is characterised in that also include：Processor, passes for processing the temperature
The real-time temperature values that sensor sensing is obtained, and the tachometer value of the fan is calculated according to the real-time temperature values, with
Make the fan governor that the rotating speed of fan is controlled according to the tachometer value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462694.1U CN206302069U (en) | 2016-12-28 | 2016-12-28 | Power supply box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462694.1U CN206302069U (en) | 2016-12-28 | 2016-12-28 | Power supply box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302069U true CN206302069U (en) | 2017-07-04 |
Family
ID=59205444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621462694.1U Active CN206302069U (en) | 2016-12-28 | 2016-12-28 | Power supply box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258591A (en) * | 2016-12-28 | 2018-07-06 | 航天信息股份有限公司 | Power supply box |
-
2016
- 2016-12-28 CN CN201621462694.1U patent/CN206302069U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258591A (en) * | 2016-12-28 | 2018-07-06 | 航天信息股份有限公司 | Power supply box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104227502B (en) | A kind of temperature controller with three-phase supply intelligence Phase sequence detection and arbitration functions | |
| CN204886560U (en) | A intelligent economize on electricity system for cold rolling main electric machine cooling fan | |
| CN205212285U (en) | Energy -concerving and environment -protective type block terminal | |
| CN210246302U (en) | Intelligent circuit breaker, electric equipment and electric system | |
| CN204465005U (en) | A kind of capacitance compensation device for low-voltage networks based on GPRS communication | |
| CN117060742A (en) | Mining flameproof and intrinsically safe alternating current frequency converter and frequency converter electrical system | |
| CN214742281U (en) | Monitoring system for running of fan for cooling transformer | |
| CN206302069U (en) | Power supply box | |
| CN204334464U (en) | Photovoltaic DC-to-AC converter device for monitoring running state | |
| CN108258591A (en) | Power supply box | |
| CN103603768A (en) | Variable pitch control system and charging management control method of high-power wind generating set | |
| CN204108749U (en) | A kind of temperature controller with three phase mains intelligence Phase sequence detection and arbitration functions | |
| CN207637726U (en) | A kind of external intelligent breaker of electric energy meter | |
| CN205944786U (en) | Synthesize switch board with monitored control system | |
| CN110808427B (en) | Photovoltaic power supply and battery management system of tower heliostat | |
| CN104330619B (en) | Transformer electric energy meter and heat Balance Calculation alarm method thereof | |
| CN105429024A (en) | Power distribution box cooling protection apparatus | |
| CN207490736U (en) | A kind of frequency converter intelligent control box | |
| CN107579467B (en) | Temperature maintaining and monitoring system for primary equipment mechanism box of transformer substation | |
| CN205584131U (en) | Accessible infrared control photovoltaic conflux case | |
| CN210272213U (en) | Circuit breaker | |
| CN204835929U (en) | Dc power locomotive invertion power supply | |
| CN217882493U (en) | Low-voltage switch cabinet with real-time temperature monitoring function | |
| CN204068368U (en) | Discharge instrument | |
| CN215867032U (en) | Nuclear capacity control device based on storage battery polling instrument and active inverter design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |