CN209496262U - A kind of motion controller - Google Patents
A kind of motion controller Download PDFInfo
- Publication number
- CN209496262U CN209496262U CN201920278696.2U CN201920278696U CN209496262U CN 209496262 U CN209496262 U CN 209496262U CN 201920278696 U CN201920278696 U CN 201920278696U CN 209496262 U CN209496262 U CN 209496262U
- Authority
- CN
- China
- Prior art keywords
- relay
- normally opened
- contact switch
- shell
- normally
- 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
- Control Of Temperature (AREA)
Abstract
The utility model relates to motion control apparatus fields, more specifically, it is related to a kind of motion controller, its key points of the technical solution are that: including shell, it is set to the controller of the intracorporal circuit board of shell and setting on circuit boards, the shell opposite sides offers several heat release holes, small-sized fans are provided in the shell of controller side, setting is for detecting shell body temperature height to issue the temperature sensor of detection signal in the shell, the temperature sensor is electrically connected with the detection signal in response to temperature sensor to control the control circuit of small-sized fans work.A kind of motion controller of the utility model has the advantages that improve radiating efficiency.
Description
Technical field
The utility model relates to motion control apparatus fields, more specifically, it relates to a kind of motion controller.
Background technique
Fortune function controller is one of core components of equipment such as engineering machinery, is mechanically moving like the brain for being people
Central control unit, commonly referred to as motion controller, be mainly used for lumber machinery, road upkeep machinery, building machinery, be crushed set
On standby, agricultural machinery, rock drilling machinery, petroleum machinery and industrial equipment and on war industry equipment vehicle.
Current fortune function controller generally comprises: shell is set to the intracorporal circuit board of shell and setting on circuit boards
Controller.Controller, which refers to, to be changed the wiring of main circuit or control circuit according to predetermined order and changes resistance value in circuit
Starting, speed regulation, braking and reversely main for controlling motor enable device.By program counter, command register, Instruction decoding
Device, clock generator and operation controller composition, it is that publication order " policy-making body " can generate biggish when in use
Heat will affect the use of equipment if can not handle in time.
Utility model content
In view of the deficienciess of the prior art, having and mentioning the purpose of this utility model is to provide a kind of motion controller
The advantages of high cooling efficiency.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of motion controller,
Including shell, it is set to the controller of the intracorporal circuit board of shell and setting on circuit boards, the shell opposite sides is opened
Equipped with several heat release holes, it is provided with small-sized fans in the shell of controller side, is arranged in the shell for examining
Shell body temperature height is surveyed to issue the temperature sensor of detection signal, the temperature sensor is electrically connected in response to temperature
The detection signal of sensor is to control the control circuit that small-sized fans work.
By using above-mentioned technical proposal, when the temperature is excessively high, temperature sensor issues detection signal, control electricity in shell
Road radiates to controller so that small-sized fans be made to work in response to the detection signal of temperature sensor, to accelerate to control
The heat that device generates is flowed out from heat release hole, and then improves radiating efficiency.
The utility model is further arranged to: the control circuit includes first resistor R1, comparator B, triode Q,
The 4th normally opened contact switch KM1-4 of one relay KM1 and the first relay, the thermistor TR mono- of the temperature sensor
End is electrically connected with the power supply, and the other end and first resistor R1 are electrically connected, the other end ground connection of the first resistor R1, the ratio
Positive input compared with device B is electrically connected between thermo-sensitive resistor TR and first resistor R1, the reverse input end of the comparator B
Input has reference voltage value, and reference voltage value is adapted with the temperature that default small-sized fans work；The output end of the comparator B
It is electrically connected at the base stage of triode Q, the collector of the triode Q is electrically connected at power supply, the emitter of the triode Q
It is grounded after being electrically connected with the first relay KM1, the 4th normally opened contact switch KM1-4 of the small-sized fans and the first relay
It is in parallel with the first relay KM1 after series connection.
By using above-mentioned technical proposal, when shell body temperature increases, the thermistor TR resistance value drop of temperature sensor
It is low, and then the input voltage of comparator B positive input is improved, when voltage is higher than the reference voltage value of reverse input end setting
When, comparator B exports high level, and then conduct triode Q must, so that it is electric to obtain the first relay KM1, makes the first relay
4th normally opened contact switch KM1-4 of device is closed, the automatic work for realizing small-sized fans.
The utility model is further arranged to: the 4th normally opened contact switch KM1-4 of the first relay is in series with work and refers to
Show lamp P.
By using above-mentioned technical proposal, control circuit and Miniature wind are clear that by work light P
The working condition of fan.
The utility model is further arranged to: it is reciprocal that the shell positioned at controller side is provided with driving small-sized fans
Mobile driving device, the driving device include mounting rack, Mobile base, screw rod, micromotor, and the screw rod is rotatably connected on
On mounting rack, the Mobile base is threaded on screw rod, and the small-sized fans are mounted on Mobile base upper surface, the control electricity
Road drives screw rod positive and negative rotation in response to the detection signal of temperature sensor to control micromotor.
By using above-mentioned technical proposal, when the temperature is excessively high, driving screw rod positive and negative rotation by control circuit in shell, from
And small-sized fans is driven to move back and forth, it radiates to the intracorporal controller of shell, to improve heat dissipation area and radiating efficiency.
The utility model is further arranged to: the mounting rack include be arranged at intervals on intracorporal two supporting blocks of shell and
The mounting plate being horizontally set in two supporting blocks, the mounting plate upper surface offer mounting groove, the silk along its length
Bar, which horizontally rotates, is connected to mounting groove, and the Mobile base lower surface is provided with the link block being threaded on screw rod.
By using above-mentioned technical proposal, micromotor drives screw rod rotation, makes the link block being threaded on screw rod
It is moved along mounting groove, and then small-sized fans is made to follow Mobile base mobile.
The utility model is further arranged to: the mounting groove both ends are provided with the first normally opened travel switch and second normally opened
Travel switch, the link block side wall and the first normally opened travel switch and the second normally opened travel switch contradict closure；
The control circuit further includes the first normally opened touching of the second relay KM2, third relay KM3, the first relay
Put the first normally-closed contact switch of switch KM1-1, the first normally opened contact switch KM2-1 of the second relay, third relay
The the second normally-closed contact switch KM3-2 and positive and negative rotation circuit of KM3-1 and third relay, the first of first relay
Normally opened contact switch KM1-1 is in parallel with triode Q after connecting with the first normally-closed contact switch KM3-1 of third relay；It is described
First normally opened travel switch one end is electrically connected with the power supply, and the other end is grounded after connecting with the second relay KM2, described second after
First normally opened contact switch KM2-1 of electric appliance connect with the second normally-closed contact switch KM3-2 of third relay after with first often
Start journey switch in parallel；Described second normally opened travel switch one end is electrically connected with the power supply, and the other end and third relay KM3 go here and there
It is grounded after connection；
The positive and negative rotation circuit includes making the positive input circuit of micromotor rotating forward and making the reversed of micromotor reversion
Input circuit；Positive input circuit includes that the second normally opened contact of two the first relays for being series at micromotor both ends respectively is opened
Close KM1-2 and third normally opened contact switch KM1-3, the 4th normally-closed contact switch KM2-4 of the second relay and the 5th normally closed touching
Point switch KM2-5；Reversed input circuit includes the second normally opened touching of two the second relays for being series at micromotor both ends respectively
Point switch KM2-2 and third normally opened contact switch KM2-3.
By using above-mentioned technical proposal, when shell body temperature increases, the thermistor TR resistance value drop of temperature sensor
It is low, and then the input voltage of comparator B positive input is improved, when voltage is higher than the reference voltage value of reverse input end setting
When, comparator B exports high level, and then conduct triode Q must, so that it is electric to obtain the first relay KM1, makes to be connected in parallel on three
First normally opened contact switch KM1-1 of the first relay on pole pipe Q is closed, and realizes the self-locking of circuit, while keeping positive and negative rotation electric
Second normally opened contact switch KM1-2 of the first relay of road and the third normally opened contact switch KM1-3 of the first relay are closed
It closes, positive input circuit is connected, screw rod rotates forward, and then keeps small-sized fans mobile to shell side；
When link block conflict makes the first normally opened travel switch closure, the second relay KM2 obtains electric, makes and the first normally opened stroke
First normally opened contact switch KM2-1 of the second relay of switch in parallel is closed, and keeps the circuit for having the first normally opened travel switch real
It is existing self-locking, while open the 4th normally-closed contact switch KM2-4 of the second relay on positive and negative rotation circuit and the 5th normally-closed contact
It closes KM2-5 to disconnect, is closed the second normally opened contact switch KM2-2 and third normally opened contact switch KM2-3 of the second relay, into
And positive input circuit is disconnected, the reversed input circuit conducting of motor, screw rod inverts, and small-sized fans back move；
When link block conflict is closed the second normally opened travel switch, third relay KM3 obtains electric, makes to be connected in parallel on triode
First normally-closed contact switch KM3-1 of the third relay on Q is disconnected, the third relay being connected in parallel on the first normally opened travel switch
Second normally-closed contact switch KM3-2 of device is disconnected, and then powers off the first relay KM1 and the second relay KM2, until shell
Interior temperature is less than preset temperature position, and micromotor just stops working.
The utility model is further arranged to: the first relay KM1, the second relay KM2 and third relay
Diode D is parallel on KM3.
By using above-mentioned technical proposal, on the first relay KM1, the second relay KM2 and third relay KM3
It is parallel with diode D, generates the first relay KM1, the second relay KM2 and third relay KM3 after a loss of power
Induced electromotive force has circuit conducting.
In conclusion the utility model has the following beneficial effects:
First, when the temperature is excessively high, temperature sensor issues detection signal, and control circuit is in response to temperature sensing in shell
The detection signal of device radiates to controller so that small-sized fans be made to work, thus acceleration controller generate heat from dissipate
It is flowed out in hot hole, and then improves radiating efficiency；
Second, when the temperature is excessively high, screw rod positive and negative rotation being driven by control circuit, to drive small-sized fans past in shell
It is multiple mobile, it radiates to the intracorporal controller of shell, to improve heat dissipation area and radiating efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shell in the present embodiment；
Fig. 2 is the schematic diagram of internal structure after shell is splitted in the present embodiment；
Fig. 3 is the circuit diagram of control circuit and positive and negative rotation circuit in the present embodiment.
In figure: 1, shell；2, circuit board；3, controller；4, connector；5, heat release hole；6, small-sized fans；7, temperature sensing
Device；8, control circuit；9, Mobile base；10, screw rod；11, micromotor；12, supporting block；13, mounting plate；14, mounting groove；15,
Link block；16, the first normally opened travel switch；17, the second normally opened travel switch；18, positive and negative rotation circuit.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of motion controller including shell 1, the circuit board being set in shell 12 and is set as depicted in figs. 1 and 2
Controller 3 on the circuit board 2 is set, controller 3 is connected with the connector 4 for extending shell 1, and 1 opposite sides of shell offers
Several heat release holes 5 are provided with small-sized fans 6 in the shell 1 of 3 side of controller.
As shown in Figures 2 and 3, setting issues the temperature of detection signal for detecting temperature height in shell 1 in shell 1
Sensor 7, temperature sensor 7 are electrically connected with the detection signal in response to temperature sensor 7 to control the work of small-sized fans 6
Control circuit 8.When the temperature is excessively high, temperature sensor 7 issues detection signal, and control circuit 8 is in response to temperature sensing in shell 1
The detection signal of device 7 radiates to controller 3 so that small-sized fans 6 be made to work, thus the heat that acceleration controller 3 generates
It is flowed out from heat release hole 5, and then improves radiating efficiency.
As shown in Figures 2 and 3, control circuit 8 includes first resistor R1, comparator B, triode Q, the first relay KM1
And first relay the 4th normally opened contact switch KM1-4, one end thermistor TR of temperature sensor 7 electrically connects with power supply
It connects, the other end and first resistor R1 are electrically connected, the other end ground connection of first resistor R1, and the positive input of comparator B is electrical
It is connected between thermo-sensitive resistor TR and first resistor R1, the reverse input end input of comparator B has reference voltage value, reference voltage
Value is adapted with the temperature that default small-sized fans 6 work, and it is 45 DEG C that the temperature that small-sized fans 6 work is preset in the present embodiment；Than
Output end compared with device B is electrically connected at the base stage of triode Q, and the collector of triode Q is electrically connected at power supply, triode Q's
Emitter is grounded after being electrically connected with the first relay KM1, the 4th normally opened contact switch of small-sized fans 6 and the first relay
It is in parallel with the first relay KM1 after KM1-4 series connection.When temperature increases in shell 1, the thermistor TR resistance of temperature sensor 7
Value reduces, and then improves the input voltage of comparator B positive input, when voltage is higher than the benchmark electricity of reverse input end setting
When pressure value, comparator B exports high level, and then conduct triode Q must, so that it is electric to obtain the first relay KM1, makes first
4th normally opened contact switch KM1-4 of relay is closed, the automatic work for realizing small-sized fans 6.
As shown in figure 3, further, the 4th normally opened contact switch KM1-4 of the first relay is in series with work light
P.The working condition of control circuit 8 and small-sized fans 6 is clear that by work light P.
As shown in Figures 2 and 3, the shell 1 positioned at 3 side of controller is provided with the drive that driving small-sized fans 6 move back and forth
Dynamic device, driving device includes mounting rack, Mobile base 9, screw rod 10, micromotor 11, and screw rod 10 is rotatably connected on mounting rack,
Mobile base 9 is threaded on screw rod 10, and small-sized fans 6 are mounted on 9 upper surface of Mobile base, and control circuit 8 is passed in response to temperature
The detection signal of sensor 7 drives 10 positive and negative rotation of screw rod to control micromotor 11.When the temperature is excessively high, passing through control in shell 1
Circuit 8 drives 10 positive and negative rotation of screw rod, so that small-sized fans 6 be driven to move back and forth, radiates to the controller 3 in shell 1, from
And improve heat dissipation area and radiating efficiency.Mounting rack includes two supporting blocks 12 and level being arranged at intervals in shell 1
Mounting plate 13 in two supporting blocks 12 is set, and 13 upper surface of mounting plate offers mounting groove 14, screw rod 10 along its length
Horizontally rotate and be connected to mounting groove 14,9 lower surface of Mobile base is provided with the link block 15 being threaded on screw rod 10.Mounting groove
14 both ends are provided with the first normally opened travel switch 16 and the second normally opened travel switch 17,15 side wall of link block and the first normally opened stroke
Switch 16 and the second normally opened travel switch 17 contradict closure, and the side wall of mounting plate 13 is arranged in temperature sensor 7.
As shown in Figures 2 and 3, control circuit 8 further includes the second relay KM2, third relay KM3, the first relay
The first normally opened contact switch KM1-1, the first normally opened contact switch KM2-1 of the second relay, third relay first often
The the second normally-closed contact switch KM3-2 and positive and negative rotation circuit 18 of closed contact switch KM3-1 and third relay, the first relay
First normally opened contact switch KM1-1 of device connect with the first normally-closed contact switch KM3-1 of third relay after with triode Q simultaneously
Connection；First normally opened 16 one end of travel switch is electrically connected with the power supply, and the other end is grounded after connecting with the second relay KM2, and second
First normally opened contact switch KM2-1 of relay connect with the second normally-closed contact switch KM3-2 of third relay after with first
Normally opened travel switch 16 is in parallel；Second normally opened 17 one end of travel switch is electrically connected with the power supply, the other end and third relay KM3
It is grounded after series connection；Positive and negative rotation circuit 18 includes the positive input circuit for rotating forward micromotor 11 and inverts micromotor 11
Reversed input circuit；Positive input circuit includes the second normally opened of two the first relays for being series at 11 both ends of micromotor respectively
The 4th normally-closed contact switch KM2-4 and the 5th of contact switch KM1-2 and third normally opened contact switch KM1-3, the second relay
Normally-closed contact switch KM2-5；Reversed input circuit includes the of two the second relays for being series at 11 both ends of micromotor respectively
Two normally opened contact switch KM2-2 and third normally opened contact switch KM2-3.Further, the first relay KM1, the second relay
Diode D is parallel on KM2 and third relay KM3.
When temperature increases in shell 1, the thermistor TR resistance value of temperature sensor 7 is reduced, and then keeps comparator B positive
The input voltage of input terminal improves, when voltage is higher than the reference voltage value of reverse input end setting, the high electricity of comparator B output
It is flat, and then conduct triode Q must, so that it is electric to obtain the first relay KM1, make the first relay being connected in parallel on triode Q
First normally opened contact switch KM1-1 of device is closed, and realizes the self-locking of circuit, while making the first relay on positive and negative rotation circuit 18
The second normally opened contact switch KM1-2 and the first relay third normally opened contact switch KM1-3 closure, make positive input circuit
Conducting, screw rod 10 rotate forward, and then keep small-sized fans 6 mobile to 1 side of shell；When the conflict of link block 15 opens the first normally opened stroke
16 closures are closed, the second relay KM2 obtains electric, makes the first normally opened touching of second relay in parallel with the first normally opened travel switch 16
Point switch KM2-1 closure makes to have the circuit realization of the first normally opened travel switch 16 self-locking, at the same make on positive and negative rotation circuit 18 the
4th normally-closed contact switch KM2-4 of two relays and the 5th normally-closed contact switch KM2-5 is disconnected, and makes the second of the second relay
Normally opened contact switch KM2-2 and third normally opened contact switch KM2-3 closure, and then positive input circuit is disconnected, motor is reversed
Input circuit conducting, screw rod 10 invert, and small-sized fans 6 back move；When the conflict of link block 15 makes the second normally opened travel switch 17
When closure, third relay KM3 obtains electric, makes the first normally-closed contact switch KM3-1 of the third relay being connected in parallel on triode Q
It disconnects, the second normally-closed contact switch KM3-2 for being connected in parallel on the third relay on the first normally opened travel switch 16 is disconnected, and then is made
First relay KM1 and the second relay KM2 power-off, until temperature is less than preset temperature position in shell 1, micromotor 11 is
It stops working.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of motion controller including shell (1), the circuit board (2) being set in shell (1) and is arranged in circuit board
(2) controller (3) on, it is characterised in that: shell (1) opposite sides offers several heat release holes (5), is located at control
It is provided with small-sized fans (6) in the shell (1) of device (3) side, setting is for detecting in shell (1) in the shell (1)
To issue the temperature sensor (7) for detecting signal, the temperature sensor (7) is electrically connected with to be passed temperature height in response to temperature
The detection signal of sensor (7) is to control the control circuit (8) that small-sized fans (6) work.
2. a kind of motion controller according to claim 1, it is characterised in that: the control circuit (8) includes the first electricity
The 4th normally opened contact switch KM1-4 of R1, comparator B, triode Q, the first relay KM1 and the first relay is hindered, it is described
One end thermistor TR of temperature sensor (7) is electrically connected with the power supply, and the other end and first resistor R1 are electrically connected, and described the
The other end of one resistance R1 is grounded, and the positive input of the comparator B is electrically connected at thermo-sensitive resistor TR and first resistor R1
Between, the reverse input end input of the comparator B has reference voltage value, and reference voltage value and default small-sized fans (6) work
Temperature be adapted；The output end of the comparator B is electrically connected at the base stage of triode Q, the collector electricity of the triode Q
Property be connected to power supply, the emitter of the triode Q and the first relay KM1 are grounded after being electrically connected, the small-sized fans (6)
It is in parallel with the first relay KM1 after connecting with the 4th normally opened contact switch KM1-4 of the first relay.
3. a kind of motion controller according to claim 2, it is characterised in that: the 4th normally opened touching of first relay
Point switch KM1-4 is in series with work light P.
4. a kind of motion controller according to claim 2, it is characterised in that: be located at the shell of controller (3) side
Body (1) is provided with the driving device that driving small-sized fans (6) moves back and forth, and the driving device includes mounting rack, Mobile base
(9), screw rod (10), micromotor (11), the screw rod (10) are rotatably connected on mounting rack, and Mobile base (9) screw thread connects
It connects on screw rod (10), the small-sized fans (6) are mounted on Mobile base (9) upper surface, and the control circuit (8) is in response to temperature
The detection signal of sensor (7), to control micromotor (11) driving screw rod (10) positive and negative rotation.
5. a kind of motion controller according to claim 4, it is characterised in that: the mounting rack includes being arranged at intervals on shell
Two supporting blocks (12) in body (1) and the mounting plate (13) being horizontally set on two supporting blocks (12), the mounting plate
(13) upper surface offers mounting groove (14) along its length, and the screw rod (10), which horizontally rotates, is connected to mounting groove (14), institute
It states Mobile base (9) lower surface and is provided with the link block (15) being threaded on screw rod (10).
6. a kind of motion controller according to claim 5, it is characterised in that: mounting groove (14) both ends are provided with
One normally opened travel switch (16) and the second normally opened travel switch (17), link block (15) side wall and the first normally opened travel switch
(16) and the second normally opened travel switch (17) contradicts closure；
The control circuit (8) further includes the first normally opened contact of the second relay KM2, third relay KM3, the first relay
Switch KM1-1, the first normally opened contact switch KM2-1 of the second relay, third relay the first normally-closed contact switch KM3-1
And the second normally-closed contact switch KM3-2 and positive and negative rotation circuit (18) of third relay, the first of first relay
Normally opened contact switch KM1-1 is in parallel with triode Q after connecting with the first normally-closed contact switch KM3-1 of third relay；It is described
First normally opened travel switch (16) one end is electrically connected with the power supply, and the other end is grounded after connecting with the second relay KM2, and described
First normally opened contact switch KM2-1 of two relays connect with the second normally-closed contact switch KM3-2 of third relay after with
One normally opened travel switch (16) is in parallel；Described second normally opened travel switch (17) one end is electrically connected with the power supply, the other end and
It is grounded after three relay KM3 series connection；
The positive and negative rotation circuit (18) includes the positive input circuit for rotating forward micromotor (11) and keeps micromotor (11) anti-
The reversed input circuit turned；Positive input circuit includes the of two the first relays for being series at micromotor (11) both ends respectively
The 4th normally-closed contact switch KM2-4 of two normally opened contact switch KM1-2 and third normally opened contact switch KM1-3, the second relay
With the 5th normally-closed contact switch KM2-5；Reversed input circuit include two be series at respectively the second of micromotor (11) both ends after
The the second normally opened contact switch KM2-2 and third normally opened contact switch KM2-3 of electric appliance.
7. a kind of motion controller according to claim 6, it is characterised in that: the first relay KM1, the second relay
Diode D is parallel on device KM2 and third relay KM3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278696.2U CN209496262U (en) | 2019-03-05 | 2019-03-05 | A kind of motion controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278696.2U CN209496262U (en) | 2019-03-05 | 2019-03-05 | A kind of motion controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209496262U true CN209496262U (en) | 2019-10-15 |
Family
ID=68156608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920278696.2U Active CN209496262U (en) | 2019-03-05 | 2019-03-05 | A kind of motion controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209496262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112638116A (en) * | 2020-11-24 | 2021-04-09 | 天津平高智能电气有限公司 | Automatic cooling system of electrical equipment and electrical equipment using same |
-
2019
- 2019-03-05 CN CN201920278696.2U patent/CN209496262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112638116A (en) * | 2020-11-24 | 2021-04-09 | 天津平高智能电气有限公司 | Automatic cooling system of electrical equipment and electrical equipment using same |
| CN112638116B (en) * | 2020-11-24 | 2022-09-16 | 天津平高智能电气有限公司 | An automatic cooling system for electrical equipment and electrical equipment using the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202031427U (en) | Drive control system of industrial door | |
| CN209496262U (en) | A kind of motion controller | |
| CN109004623A (en) | A method of realizing motor rotation blockage and overload judgement | |
| CN206506203U (en) | A kind of low-voltage electrical element pull-out type installs switch cubicle | |
| CN208352813U (en) | A kind of intelligent heat dissipation protective device | |
| CN207250981U (en) | A kind of electricity cabinet charged display device | |
| CN205841285U (en) | A kind of fan speed regulation control circuit | |
| CN207200059U (en) | A kind of power distribution cabinet easy for removal and installation | |
| CN209431542U (en) | A kind of automatic Control System for Heat Exchanging Station frequency converter | |
| CN207798414U (en) | The analog platform that shaft current influences dynamo bearing performance degradation | |
| CN202649344U (en) | Base station cabinet fan detection device | |
| CN213402861U (en) | Automatic temperature control circulation stall circuit of direct current brushless fan | |
| CN203352528U (en) | Energy-saving frequency converter | |
| CN209261449U (en) | A kind of rapid door ferrite motor driven and control system | |
| CN202019334U (en) | Multi-mode motor drive circuit | |
| CN2708010Y (en) | Fan control device | |
| CN206780623U (en) | A kind of new concrete fog room | |
| CN208890191U (en) | Intelligent power distribution room managing device | |
| CN215417722U (en) | Resistance box with temperature detection function | |
| CN201764622U (en) | Automatic control circuit of air conditioner | |
| CN207554390U (en) | Fan and its speed-regulating control circuit | |
| CN207051841U (en) | A kind of server heat sink | |
| CN205576555U (en) | Automatic lifting recovery type clothes hanger that dries in air | |
| CN214585592U (en) | On-line power detection device for radio frequency power supply | |
| CN203394810U (en) | temperature control intelligent ceiling fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |